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Grancharov G, Atanasova MD, Kalinova R, Tuleshkov P, Petrov PD, Marinova MK, Ravutsov MA, Simeonov SP. Biorenewable Oxypropylated Pentane-1,2,5-triol as a Source for Incorporation in Rigid Polyurethane Foams. Polymers (Basel) 2023; 15:4148. [PMID: 37896392 PMCID: PMC10611047 DOI: 10.3390/polym15204148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/10/2023] [Accepted: 10/16/2023] [Indexed: 10/29/2023] Open
Abstract
In this study, as a product from the efficient Achmatowicz rearrangement and mild subsequent hydrogenation-reduction reactions of biorenewable C5 alcohols derived from lignocellulose, pentane-1,2,5-triol was successfully used after oxypropylation in the preparation of rigid polyurethane foams-one of the most important classes of polymeric materials. Despite the broad range of applications, the production of polyurethanes is still highly dependent on petrochemical materials considering the need of renewable raw materials and new process technologies for the production of polyol or isocyanate components as a key point for the sustainable development of polyurethane foams. The synthesized oxypropylated pentane-1,2,5-triol was analyzed using proton NMR spectroscopy, hydroxyl number, and viscosity, whereas the newly obtained foams incorporated with up to 30% biorenewable polyol were characterized using compressive stress, thermogravimetry, dynamic mechanical analysis, and scanning electron microscopy. The modified rigid polyurethanes showed better compressive strength (>400.0 kPa), a comparable thermal degradation range at 325-450 °C, and similar morphological properties to those of commercial polyurethane formulations.
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Affiliation(s)
- Georgy Grancharov
- Institute of Polymers, Bulgarian Academy of Sciences, Acad. G. Bontchev Str. bl. 103A, 1113 Sofia, Bulgaria; (M.-D.A.); (R.K.); (P.T.); (P.D.P.)
| | - Mariya-Desislava Atanasova
- Institute of Polymers, Bulgarian Academy of Sciences, Acad. G. Bontchev Str. bl. 103A, 1113 Sofia, Bulgaria; (M.-D.A.); (R.K.); (P.T.); (P.D.P.)
| | - Radostina Kalinova
- Institute of Polymers, Bulgarian Academy of Sciences, Acad. G. Bontchev Str. bl. 103A, 1113 Sofia, Bulgaria; (M.-D.A.); (R.K.); (P.T.); (P.D.P.)
| | - Pencho Tuleshkov
- Institute of Polymers, Bulgarian Academy of Sciences, Acad. G. Bontchev Str. bl. 103A, 1113 Sofia, Bulgaria; (M.-D.A.); (R.K.); (P.T.); (P.D.P.)
| | - Petar D. Petrov
- Institute of Polymers, Bulgarian Academy of Sciences, Acad. G. Bontchev Str. bl. 103A, 1113 Sofia, Bulgaria; (M.-D.A.); (R.K.); (P.T.); (P.D.P.)
| | - Maya K. Marinova
- Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, Acad. G. Bontchev Str. bl. 9, 1113 Sofia, Bulgaria; (M.K.M.); (M.A.R.); (S.P.S.)
| | - Martin A. Ravutsov
- Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, Acad. G. Bontchev Str. bl. 9, 1113 Sofia, Bulgaria; (M.K.M.); (M.A.R.); (S.P.S.)
| | - Svilen P. Simeonov
- Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, Acad. G. Bontchev Str. bl. 9, 1113 Sofia, Bulgaria; (M.K.M.); (M.A.R.); (S.P.S.)
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
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2
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Kosmela P, Kazimierski P. Comparison of the Efficiency of Hetero- and Homogeneous Catalysts in Cellulose Liquefaction. MATERIALS (BASEL, SWITZERLAND) 2023; 16:6135. [PMID: 37763417 PMCID: PMC10532583 DOI: 10.3390/ma16186135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Revised: 08/28/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023]
Abstract
Biomass liquefaction is a well-known and extensively described process. Hydrothermal processes are well understood and can be used in the fuel industry. The use of organic solvents can result in full-fledged products for use in the synthesis of polyurethanes. The plastics industry, including polyurethanes, is targeting new, more environmentally friendly solutions. One of these is the replacement of petrochemical polyols with compounds obtained from renewable sources. It is common in biomass liquefaction to use sulfuric acid (VI) as a catalyst. The purpose of the present study was to test the effectiveness of a heterogeneous catalyst such as Nafion ion-exchange resin on the cellulose liquefaction process. The results obtained were compared with the bio-polyols obtained in a conventional way, using a homogeneous catalyst (sulfuric acid (VI)). Depending on the catalyst used and the temperature of the process, bio-polyols characterized, among other things, by a hydroxyl number in the range of 740-400 mgKOH/g were obtained. The research provides new information on the possibility of using heterogeneous catalysts in cellulose liquefaction.
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Affiliation(s)
- Paulina Kosmela
- Department of Polymer Technology, Chemical Faculty, Gdansk University of Technology, G. Narutowicza Str. 11/12, 80-233 Gdansk, Poland;
| | - Paweł Kazimierski
- Institute of Fluid Flow Machinery, Polish Academy of Sciences, Fiszera Str. 14, 80-231 Gdansk, Poland
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Kamairudin N, Abdullah LC, Hoong SS, Biak DRA, Ariffin H. Preparation and Effect of Methyl-Oleate-Based Polyol on the Properties of Rigid Polyurethane Foams as Potential Thermal Insulation Material. Polymers (Basel) 2023; 15:3028. [PMID: 37514418 PMCID: PMC10384020 DOI: 10.3390/polym15143028] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 06/19/2023] [Accepted: 06/20/2023] [Indexed: 07/30/2023] Open
Abstract
Recently, most of the commercial polyols used in the production of rigid polyurethane foams (RPUFs) have been derived from petrochemicals. Therefore, the introduction of modified palm oil derivatives-based polyol as a renewable material into the formulation of RPUFs is the focus of this study. A palm oil derivative-namely, methyl oleate (MO)-was successfully modified through three steps of reactions: epoxidation reaction, ring-opened with glycerol, followed by amidation reaction to produce a bio-based polyol named alkanolamide polyol. Physicochemical properties of the alkanolamide polyol were analyzed. The hydroxyl value of alkanolamide polyol was 313 mg KOH/g, which is suitable for producing RPUFs. Therefore, RPUFs were produced by replacing petrochemical polyol with alkanolamide polyol. The effects of alkanolamide polyol on the physical, mechanical and thermal properties were evaluated. The results showed that the apparent density and compressive strength increased, and cell size decreased, upon introducing alkanolamide polyol. All the RPUFs exhibited low water absorption and excellent dimensional stability. The RPUFs made with increased amounts of alkanolamide polyol showed higher thermal conductivity. Nevertheless, the thermal conductivities of RPUFs made with alkanolamide polyol are still within the range for thermal insulating materials (<0.1 W/m.K). The thermal stability of RPUFs was improved with the addition of alkanolamide polyol into the system. Thus, the RPUFs made from alkanolamide polyol are potential candidates to be used as insulation for refrigerators or freezers.
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Affiliation(s)
- Norsuhaili Kamairudin
- Higher Education Centre of Excellence (HiCoE), Institute of Tropical Forestry and Forest Product, University Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Luqman Chuah Abdullah
- Higher Education Centre of Excellence (HiCoE), Institute of Tropical Forestry and Forest Product, University Putra Malaysia, Serdang 43400, Selangor, Malaysia
- Department of Chemical and Environmental Engineering, Faculty of Engineering, University Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Seng Soi Hoong
- Malaysian Palm Oil Board, No. 6, Persiaran Institusi, Bandar Baru Bangi, Kajang 43000, Selangor, Malaysia
| | - Dayang Radiah Awang Biak
- Department of Chemical and Environmental Engineering, Faculty of Engineering, University Putra Malaysia, Serdang 43400, Selangor, Malaysia
- Institute of Nanoscience and Nanotechnology, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Hidayah Ariffin
- Higher Education Centre of Excellence (HiCoE), Institute of Tropical Forestry and Forest Product, University Putra Malaysia, Serdang 43400, Selangor, Malaysia
- Department of Bioprocess Technology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
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Liao YH, Chen YC. Preparation and optimization of WPU dispersion from polyether/polyester polyols for film and coating applications. J Taiwan Inst Chem Eng 2023. [DOI: 10.1016/j.jtice.2023.104832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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Polyurethane foams from vegetable oil-based polyols: a review. Polym Bull (Berl) 2023; 80:2239-2261. [PMID: 35310173 PMCID: PMC8916696 DOI: 10.1007/s00289-022-04155-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 02/09/2022] [Accepted: 02/14/2022] [Indexed: 10/28/2022]
Abstract
Polyurethane is a versatile material that can be converted into various forms according to applications. PU foams or PUFs are the most commonly used polyurethanes. These are materials of low density and low thermal conductivity that make them highly suitable for thermal insulating applications. Most of the synthesis of PUFs is still based on the petrochemical industry. There are issues associated with the oil industry, such as environmental pollution, sustainability, and market instability. More recently, we have experienced the COVID-19 pandemic which has destroyed the global supply chain of raw materials. Such sudden disruption of the supply chain affects the global economy. To eliminate the reliance on special ingredients, it is important to find and produce alternate and domestic raw materials. Vegetable oils are organic, cost-effective, and economically viable and present in abundant amounts. The oil consists of triglycerides. It can be functionalized to provide polyol for PU foam synthesis. Herein, we review the literature on factors influencing the properties of PUFs depending on polyols from vegetable oil as well as present a glimpse of the conversion of vegetable oils into polyols for PUF synthesis.
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Perera HJ, Goyal A, Alhassan SM, Banu H. Biobased Castor Oil-Based Polyurethane Foams Grafted with Octadecylsilane-Modified Diatomite for Use as Eco-Friendly and Low-Cost Sorbents for Crude Oil Clean-Up Applications. Polymers (Basel) 2022; 14:polym14235310. [PMID: 36501710 PMCID: PMC9739393 DOI: 10.3390/polym14235310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 11/28/2022] [Accepted: 11/28/2022] [Indexed: 12/12/2022] Open
Abstract
Herein we report the synthesis and characterization of novel castor oil-based polyurethane (PU) foam functionalized with octadecyltrichlorosilane (C18)-modified diatomaceous earth (DE) particles, exhibiting superior hydrophobicity and oil adsorption, and poor water absorption, for use in effective clean-up of crude oil spillage in water bodies. High-performance and low-cost sorbents have a tremendous attraction in oil spill clean-up applications. Recent studies have focused on the use of castor oil as a significant polyol that can be used as a biodegradable and eco-friendly raw material for the synthesis of PU. However, biobased in-house synthesis of foam modified with C18-DE particles has not yet been reported. This study involves the synthesis of PU using castor oil, further modification of castor oil-based PU using C18 silane, characterization studies and elucidation of oil adsorption capacity. The FTIR analysis confirmed the fusion of C18 silane particles inside the PU skeleton by adding the new functional group, and the XRD study signified the inclusion of crystalline peaks in amorphous pristine PU foam owing to the silane cross-link structure. Thermogravimetric analysis indicated improvement in thermal stability and high residual content after chemical modification with alkyl chain moieties. The SEM and EDX analyses showed the surface's roughness and the incorporation of inorganic and organic elements into pristine PU foam. The contact angle analysis showed increased hydrophobicity of the modified PU foams treated with C18-DE particles. The oil absorption studies showed that the C18-DE-modified PU foam, in comparison with the unmodified one, exhibited a 2.91-fold increase in the oil adsorption capacity and a 3.44-fold decrease in the water absorbing nature. From these studies, it is understood that this novel foam can be considered as a potential candidate for cleaning up oil spillage on water bodies.
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Affiliation(s)
- Helanka J. Perera
- Maths and Natural Science, Abu Dhabi Women’s Campus, Higher Colleges of Technology, Abu Dhabi P.O. Box 25026, United Arab Emirates
- Correspondence:
| | - Anjali Goyal
- Department of Chemical Engineering, Khalifa University, Abu Dhabi P.O. Box 127788, United Arab Emirates
| | - Saeed M. Alhassan
- Department of Chemical Engineering, Khalifa University, Abu Dhabi P.O. Box 127788, United Arab Emirates
| | - Hussain Banu
- Maths and Natural Science, Abu Dhabi Women’s Campus, Higher Colleges of Technology, Abu Dhabi P.O. Box 25026, United Arab Emirates
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Development of a Novel Biobased Polyurethane Resin System for Structural Composites. Polymers (Basel) 2022; 14:polym14214553. [DOI: 10.3390/polym14214553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 10/05/2022] [Accepted: 10/21/2022] [Indexed: 11/16/2022] Open
Abstract
Polyurethanes are gaining increasing interest for their use as structural components subjected to cyclic loads, such as leaf springs. Thermoset polyurethane (PUR) based technology offers some advantages, such as fatigue resistance, low viscosity, and fast curing. However, current PUR formulations present two major drawbacks: their petrochemical origin and high reactivity. The aim of this work was to develop a novel biobased PUR (BIO-PUR) with the required mechanical properties and processability for manufacturing structural composites by resin transfer moulding (RTM). For this purpose, a high functionality and high hydroxyl index castor-oil-based polyol was used combined with a biobased glycerol (BIO-Gly) to increase the crosslinking density and improve the final properties of the BIO-PUR. The viscosity and reactivity of the different systems were studied by means of rheology tests and differential scanning calorimetry (DSC). Thermal and mechanical properties were studied by dynamic mechanical analysis (DMA) and flexural tests. Furthermore, the RTM process of a representative part was simulated and validated through the manufacturing and testing of plates. The properties of the BIO-PUR resin systems were strongly influenced by the addition of biobased glycerol and its effect on the crosslinking density. The combination of a high functionality and hydroxyl index biobased polyol with the biobased glycerol resulted in a high-performance BIO-PUR with the required reactivity and final properties for structural applications.
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Aydoğmuş E, Kamişli F. New commercial polyurethane synthesized with biopolyol obtained from canola oil: Optimization, characterization, and thermophysical properties. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Srihanum A, Tuan Noor MTI, Devi KPP, Hoong SS, Ain NH, Mohd NS, Nek Mat Din NSM, Kian YS. Low density rigid polyurethane foam incorporated with renewable polyol as sustainable thermal insulation material. J CELL PLAST 2022. [DOI: 10.1177/0021955x211062630] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Palm olein-based polyol (PP) was used as a partial replacement for commercial sucrose/glycerine initiated polyether polyol (GP) for the production of low density rigid polyurethane foams (RPUFs). The hydroxyl value (OHV) of the GP was 380 mg KOH/g, whereas the OHV for PP was 360 mg KOH/g. The RPUFs were prepared by replacing the GP with PP up to 50 parts per hundred parts of polyols (pph). Characterisation of the RPUFs, including density, compressive strength and strain, cell morphology and thermal conductivity ( k-value), were conducted. The dimensional stability of the foams was also evaluated. The study showed improvement in the compressive strength and strain for palm-based RPUFs with the incorporation of up to 30 pph PP as compared to GP foams. The lowest k-value (0.0232 W/m.K) of RPUF with density below 30 kg/m3 was obtained with the incorporation of 10 pph PP. This was due to the smallest and uniform pore size distribution observed using SEM images. The dimensional stability of the RPUF prepared from PP was within the acceptable range. Thus, the RPUFs made from PP are potential candidates to be used as insulation for refrigerators, freezers and piping.
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Affiliation(s)
- Adnan Srihanum
- Synthesis and Products Development Unit, Advanced Oleochemical Technology Division, Malaysian Palm Oil Board, Kajang, Malaysia
| | - Maznee TI Tuan Noor
- Synthesis and Products Development Unit, Advanced Oleochemical Technology Division, Malaysian Palm Oil Board, Kajang, Malaysia
| | - Kosheela PP Devi
- Synthesis and Products Development Unit, Advanced Oleochemical Technology Division, Malaysian Palm Oil Board, Kajang, Malaysia
| | - Seng Soi Hoong
- Synthesis and Products Development Unit, Advanced Oleochemical Technology Division, Malaysian Palm Oil Board, Kajang, Malaysia
| | - Nurul H Ain
- Synthesis and Products Development Unit, Advanced Oleochemical Technology Division, Malaysian Palm Oil Board, Kajang, Malaysia
| | - Norhisham S Mohd
- Synthesis and Products Development Unit, Advanced Oleochemical Technology Division, Malaysian Palm Oil Board, Kajang, Malaysia
| | - Nik Siti Mariam Nek Mat Din
- Synthesis and Products Development Unit, Advanced Oleochemical Technology Division, Malaysian Palm Oil Board, Kajang, Malaysia
| | - Yeong Shoot Kian
- Synthesis and Products Development Unit, Advanced Oleochemical Technology Division, Malaysian Palm Oil Board, Kajang, Malaysia
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Majdoub M, Essamlali Y, Amedlous A, EL Gharrak A, Zahouily M. Nanocomposite-enhanced hydrophobicity effect in biosourced polyurethane with low volume fraction of organophilic CNC: towards solvent-absorbent and porous membranes. NEW J CHEM 2022. [DOI: 10.1039/d2nj02430f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein, we focus on the development of new nanocomposite porous membranes based on castor oil-derived polyurethane (PUBCO) and octadecylamine-functionalized cellulose nanocrystals (CNC-ODA) as compatible nanoreinforcements.
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Affiliation(s)
- Mohammed Majdoub
- Laboratory of Materials, Catalysis & Valorization of Natural Resources. Hassan II University, Mohammedia, 20650, Morocco
- MAScIR Foundation, VARENA Center, Rabat Design, Rue Mohamed El Jazouli, Madinat Al Irfane, 10100, Rabat, Morocco
| | - Younes Essamlali
- MAScIR Foundation, VARENA Center, Rabat Design, Rue Mohamed El Jazouli, Madinat Al Irfane, 10100, Rabat, Morocco
| | - Abdallah Amedlous
- Laboratory of Materials, Catalysis & Valorization of Natural Resources. Hassan II University, Mohammedia, 20650, Morocco
- MAScIR Foundation, VARENA Center, Rabat Design, Rue Mohamed El Jazouli, Madinat Al Irfane, 10100, Rabat, Morocco
| | - Abdelouahed EL Gharrak
- Laboratory of Materials, Catalysis & Valorization of Natural Resources. Hassan II University, Mohammedia, 20650, Morocco
- MAScIR Foundation, VARENA Center, Rabat Design, Rue Mohamed El Jazouli, Madinat Al Irfane, 10100, Rabat, Morocco
| | - Mohamed Zahouily
- Laboratory of Materials, Catalysis & Valorization of Natural Resources. Hassan II University, Mohammedia, 20650, Morocco
- MAScIR Foundation, VARENA Center, Rabat Design, Rue Mohamed El Jazouli, Madinat Al Irfane, 10100, Rabat, Morocco
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He X, Yu S, Wang H, Tian Z, Zhang J, Zhao Y, Gong H, Shi Z, Cui Z, Zhu S. A novel resin cement to improve bonding interface durability. RSC Adv 2022; 12:24288-24300. [PMID: 36128534 PMCID: PMC9415027 DOI: 10.1039/d2ra04446c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 08/18/2022] [Indexed: 11/30/2022] Open
Abstract
Bonding failure is one of the main causes of failure of dental restorations. The bonding strength, aging resistance, and polymerization shrinkage of cement can affect the stability of the bonding interface and lead to marginal microleakage. To reduce the bonding failure rate of restorations, a novel polyurethane (PU) cement was designed to improve the mechanical properties, hydrophobicity, degree of conversion (DC), polymerization shrinkage, bond strength and aging resistance of cement by introducing isophorone diisocyanate (IPDI) and hydroxyethyl methacrylate (HEMA) and adjusting the polyester : polyether ratio to increase the degree of cross-linking. Experimental results verified that the novel PU could increase the mechanical properties and thermal stability of the cement, reduce polymerization shrinkage during the curing reaction, improve the bonding performance and DC, endow the cement with hydrophobic properties, and improve its ability to resist aging in the salivary environment to maintain the long-term stability of interfacial bonding under the influence of comprehensive factors. The results of this study provide a new direction and insights to reduce microleakage and improve the success rate of restorations. Bonding failure is one of the main causes of failure of dental restorations.![]()
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Affiliation(s)
- Xi He
- Department of Prosthetic Dentistry, Hospital of Stomatology, Jilin University, Changchun 130021, P. R. China
| | - Shiyang Yu
- Department of Prosthetic Dentistry, Hospital of Stomatology, Jilin University, Changchun 130021, P. R. China
| | - Huimin Wang
- Department of Prosthetic Dentistry, Hospital of Stomatology, Jilin University, Changchun 130021, P. R. China
| | - Zilu Tian
- Department of Prosthetic Dentistry, Hospital of Stomatology, Jilin University, Changchun 130021, P. R. China
| | - Jiahui Zhang
- Department of Prosthetic Dentistry, Hospital of Stomatology, Jilin University, Changchun 130021, P. R. China
| | - Ying Zhao
- Department of Prosthetic Dentistry, Hospital of Stomatology, Jilin University, Changchun 130021, P. R. China
| | - Haihuan Gong
- Department of Prosthetic Dentistry, Hospital of Stomatology, Jilin University, Changchun 130021, P. R. China
| | - Zuosen Shi
- State Key Lab of Supramolecular Structure and Materials, College of Chemistry, JilinUniversity, Changchun 130021, P. R. China
| | - Zhanchen Cui
- State Key Lab of Supramolecular Structure and Materials, College of Chemistry, JilinUniversity, Changchun 130021, P. R. China
| | - Song Zhu
- Department of Prosthetic Dentistry, Hospital of Stomatology, Jilin University, Changchun 130021, P. R. China
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Rahmatkhah S, Mehdipour-Ataei S. Synthesis and characterization of novel poly(urethane-amide)s with enhanced thermal stability. INTERNATIONAL JOURNAL OF POLYMER ANALYSIS AND CHARACTERIZATION 2021. [DOI: 10.1080/1023666x.2021.2012042] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Sepideh Rahmatkhah
- Department of Chemistry, Science and Research Branch, Islamic Azad University, Tehran, Iran
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13
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Ferreira R, Dias R, Laqua L, Pavan F, Marangoni C, Machado R. Development and scale‐up of thermoplastic poly(ether‐ester) glycol polyurethanes for flexography. J Appl Polym Sci 2021. [DOI: 10.1002/app.51273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Roberta Ferreira
- Graduate Program in Chemical Engineering Federal University of Santa Catarina, Campus Universitário Reitor João David Ferreira Lima Florianópolis Brazil
| | - Rafael Dias
- Graduate Program in Chemical Engineering Federal University of Santa Catarina, Campus Universitário Reitor João David Ferreira Lima Florianópolis Brazil
| | - Letícia Laqua
- Graduate Program in Chemical Engineering Federal University of Santa Catarina, Campus Universitário Reitor João David Ferreira Lima Florianópolis Brazil
| | - Felipe Pavan
- Graduate Program in Chemical Engineering Federal University of Santa Catarina, Campus Universitário Reitor João David Ferreira Lima Florianópolis Brazil
| | - Cintia Marangoni
- Graduate Program in Chemical Engineering Federal University of Santa Catarina, Campus Universitário Reitor João David Ferreira Lima Florianópolis Brazil
| | - Ricardo Machado
- Graduate Program in Chemical Engineering Federal University of Santa Catarina, Campus Universitário Reitor João David Ferreira Lima Florianópolis Brazil
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Ob-eye J, Chaiendoo K, Itthibenchapong V. Catalytic Conversion of Epoxidized Palm Fatty Acids through Oxirane Ring Opening Combined with Esterification and the Properties of Palm Oil-Based Biolubricants. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c03974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jeerati Ob-eye
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani 12120, Thailand
| | - Kanokwan Chaiendoo
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani 12120, Thailand
| | - Vorranutch Itthibenchapong
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani 12120, Thailand
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15
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Kasprzyk P, Głowińska E, Datta J. Structure and properties comparison of poly(ether-urethane)s based on nonpetrochemical and petrochemical polyols obtained by solvent free two-step method. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110673] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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16
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Attallah OA, Mojicevic M, Garcia EL, Azeem M, Chen Y, Asmawi S, Brenan Fournet M. Macro and Micro Routes to High Performance Bioplastics: Bioplastic Biodegradability and Mechanical and Barrier Properties. Polymers (Basel) 2021; 13:2155. [PMID: 34208796 PMCID: PMC8271944 DOI: 10.3390/polym13132155] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 06/25/2021] [Accepted: 06/25/2021] [Indexed: 01/23/2023] Open
Abstract
On a score sheet for plastics, bioplastics have a medium score for combined mechanical performance and a high score for biodegradability with respect to counterpart petroleum-based plastics. Analysis quickly confirms that endeavours to increase the mechanical performance score for bioplastics would be far more achievable than delivering adequate biodegradability for the recalcitrant plastics, while preserving their impressive mechanical performances. Key architectural features of both bioplastics and petroleum-based plastics, namely, molecular weight (Mw) and crystallinity, which underpin mechanical performance, typically have an inversely dependent relationship with biodegradability. In the case of bioplastics, both macro and micro strategies with dual positive correlation on mechanical and biodegradability performance, are available to address this dilemma. Regarding the macro approach, processing using selected fillers, plasticisers and compatibilisers have been shown to enhance both targeted mechanical properties and biodegradability within bioplastics. Whereas, regarding the micro approach, a whole host of bio and chemical synthetic routes are uniquely available, to produce improved bioplastics. In this review, the main characteristics of bioplastics in terms of mechanical and barrier performances, as well as biodegradability, have been assessed-identifying both macro and micro routes promoting favourable bioplastics' production, processability and performance.
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Affiliation(s)
- Olivia A. Attallah
- Materials Research Institute, Athlone Institute of Technology, N37 HD68 Athlone, Ireland; (O.A.A.); (E.L.G.); (M.A.); (Y.C.); (M.B.F.)
| | - Marija Mojicevic
- Materials Research Institute, Athlone Institute of Technology, N37 HD68 Athlone, Ireland; (O.A.A.); (E.L.G.); (M.A.); (Y.C.); (M.B.F.)
| | - Eduardo Lanzagorta Garcia
- Materials Research Institute, Athlone Institute of Technology, N37 HD68 Athlone, Ireland; (O.A.A.); (E.L.G.); (M.A.); (Y.C.); (M.B.F.)
| | - Muhammad Azeem
- Materials Research Institute, Athlone Institute of Technology, N37 HD68 Athlone, Ireland; (O.A.A.); (E.L.G.); (M.A.); (Y.C.); (M.B.F.)
| | - Yuanyuan Chen
- Materials Research Institute, Athlone Institute of Technology, N37 HD68 Athlone, Ireland; (O.A.A.); (E.L.G.); (M.A.); (Y.C.); (M.B.F.)
| | - Shumayl Asmawi
- Fundamental and Applied Science Department, Universiti Teknologi PETRONAS, Bandar Seri Iskandar 32610, Perak Darul Ridzuan, Malaysia;
| | - Margaret Brenan Fournet
- Materials Research Institute, Athlone Institute of Technology, N37 HD68 Athlone, Ireland; (O.A.A.); (E.L.G.); (M.A.); (Y.C.); (M.B.F.)
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17
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Determination of sodium and potassium contents in palm-based polyols using graphite furnace atomic absorption spectrometer. CHEMICAL PAPERS 2021. [DOI: 10.1007/s11696-020-01493-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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18
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Plant oil-based polymers. PHYSICAL SCIENCES REVIEWS 2021. [DOI: 10.1515/psr-2020-0070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Polymer materials derived from natural resources have gained increasing attention in recent years because of the uncertainties concerning petroleum supply and prices in the future as well as their environmental pollution problems. As one of the most abundant renewable resources, plant oils are suitable starting materials for polymers because of their low cost, the rich chemistry that their triglyceride structure provides, and their potential biodegradability. This chapter covers the structure, modification of triglycerides and their derivatives as well as synthesis of polymers therefrom. The remarkable advances during the last two decades in organic synthesis using plant oils and the basic oleochemicals derived from them are selectively reported and updated. Various methods, such as condensation, radical/cationic polymerization, metathesis procedure, and living polymerization, have also been applied in constructing oil-based polymers. Based on the advance of these changes, traditional polymers such as polyamides, polyesters, and epoxy resins have been renewed. Partial oil-based polymers have already been applied in some industrial areas and recent developments in this field offer promising new opportunities.
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Mustapa SR, Aung MM, Rayung M. Physico-Chemical, Thermal, and Electrochemical Analysis of Solid Polymer Electrolyte from Vegetable Oil-Based Polyurethane. Polymers (Basel) 2020; 13:polym13010132. [PMID: 33396925 PMCID: PMC7795993 DOI: 10.3390/polym13010132] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 12/19/2020] [Accepted: 12/21/2020] [Indexed: 11/19/2022] Open
Abstract
In this paper, we report the preparation of bio-based polyurethane (PU) from renewable vegetable oil. The PU was synthesized through the reaction between jatropha oil-based polyol and isocyanate in a one-shot method. Then, lithium perchlorate (LiClO4) salt was added to the polyurethane system to form an electrolyte film via a solution casting technique. The solid polymer electrolyte was characterized through several techniques such as nuclear magnetic resonance (NMR), Fourier transforms infrared (FTIR), electrochemical studies, thermal studies by differential scanning calorimetry (DSC), and dynamic mechanical analysis (DMA). The NMR analysis confirmed that the polyurethane was successfully synthesized and the intermolecular reaction had occurred in the electrolytes system. The FTIR results show the shifting of the carbonyl group (C=O), ether and ester group (C–O–C), and amine functional groups (N–H) in PU–LiClO4 electrolytes compared to the blank polyurethane, which suggests that interaction occurred between the oxygen and nitrogen atom and the Li+ ion as they acted as electron donors in the electrolytes system. DSC analysis shows a decreasing trend in glass transition temperature, Tg and melting point, Tm of the polymer electrolyte as the salt content increases. Further, DMA analysis shows similar behavior in terms of Tg. The ionic conductivity increased with increasing salt content until the optimum value. The dielectric analysis reveals that the highest conducting electrolyte has the lowest relaxation time. The electrochemical behavior of the PU electrolytes is in line with the Tg result from the thermal analysis.
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Affiliation(s)
- Siti Rosnah Mustapa
- Department of Chemistry, Faculty of Science, University Putra Malaysia, Serdang 43400, Selangor, Malaysia;
| | - Min Min Aung
- Department of Chemistry, Faculty of Science, University Putra Malaysia, Serdang 43400, Selangor, Malaysia;
- Unit of Chemistry, Centre of Foundation Studies for Agriculture Science, University Putra Malaysia, Serdang 43400, Selangor, Malaysia
- Institute of Forestry and Forest Products, University Putra Malaysia, Serdang 43400, Selangor, Malaysia;
- Correspondence:
| | - Marwah Rayung
- Institute of Forestry and Forest Products, University Putra Malaysia, Serdang 43400, Selangor, Malaysia;
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Ranade S, Neelakantan L. Exploring in situ integration of pongamia oil to improve barrier properties of polyurethane coatings. J Appl Polym Sci 2020. [DOI: 10.1002/app.49553] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Shyama Ranade
- Department of Metallurgical and Materials Engineering, Corrosion Engineering and Materials Electrochemistry Laboratory Indian Institute of Technology Madras Chennai Tamil Nadu India
| | - Lakshman Neelakantan
- Department of Metallurgical and Materials Engineering, Corrosion Engineering and Materials Electrochemistry Laboratory Indian Institute of Technology Madras Chennai Tamil Nadu India
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21
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Jiang L, Ren Z, Liu W, Liu H, Zhu C. Synthesis and molecular interaction of tung oil‐based anionic waterborne polyurethane dispersion. J Appl Polym Sci 2020. [DOI: 10.1002/app.49383] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Lei Jiang
- School of Materials Science and EngineeringZhengzhou University Zhengzhou People's Republic of China
- High and New Technology Research Center of Henan Academy of Sciences Zhengzhou People's Republic of China
| | - Zhiyong Ren
- High and New Technology Research Center of Henan Academy of Sciences Zhengzhou People's Republic of China
| | - Wentao Liu
- School of Materials Science and EngineeringZhengzhou University Zhengzhou People's Republic of China
| | - Hao Liu
- School of Materials Science and EngineeringZhengzhou University Zhengzhou People's Republic of China
| | - Chengshen Zhu
- School of Materials Science and EngineeringZhengzhou University Zhengzhou People's Republic of China
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22
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Composition-property relationship of polyurethane networks based on polycaprolactone diol. Polym Bull (Berl) 2020. [DOI: 10.1007/s00289-020-03473-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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23
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Paraskar PM, Prabhudesai MS, Kulkarni RD. Synthesis and characterizations of air-cured polyurethane coatings from vegetable oils and itaconic acid. REACT FUNCT POLYM 2020. [DOI: 10.1016/j.reactfunctpolym.2020.104734] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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24
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Farzan A, Borandeh S, Zanjanizadeh Ezazi N, Lipponen S, Santos HA, Seppälä J. 3D scaffolding of fast photocurable polyurethane for soft tissue engineering by stereolithography: Influence of materials and geometry on growth of fibroblast cells. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2020.109988] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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25
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Rayung M, Aung MM, Su’ait MS, Chuah Abdullah L, Ahmad A, Lim HN. Performance Analysis of Jatropha Oil-Based Polyurethane Acrylate Gel Polymer Electrolyte for Dye-Sensitized Solar Cells. ACS OMEGA 2020; 5:14267-14274. [PMID: 32596563 PMCID: PMC7315420 DOI: 10.1021/acsomega.9b04348] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Accepted: 01/30/2020] [Indexed: 06/11/2023]
Abstract
Biobased polymers are useful materials in substituting conventional petroleum-derived polymers because of their good properties, ready availability, and abundance in nature. This study reports a new jatropha oil-based gel polymer electrolyte (GPE) for use in dye-sensitized solar cells (DSSCs). The GPE was prepared by mixing jatropha oil-based polyurethane acrylate (PUA) with different concentrations of lithium iodide (LiI). The GPE was characterized by infrared spectroscopy, thermal analysis, lithium nuclear magnetic resonance analysis, electrochemical analysis, and photocurrent conversion efficiency. The highest room-temperature ionic conductivity of 1.88 × 10-4 S cm-1 was obtained at 20 wt % of LiI salt. Additionally, the temperature-dependent ionic conductivity of the GPE exhibited Arrhenius behavior with an activation energy of 0.42 eV and a pre-exponential factor of 1.56 × 103 S cm-1. The electrochemical stability study showed that the PUA GPE was stable up to 2.35 V. The thermal stability of the gel electrolyte showed an improvement after the addition of the salt, suggesting a strong intermolecular interaction between PUA and Li, which leads to polymer-salt complexation, as proven by Fourier transform infrared spectroscopy analysis. A DSSC has been assembled using the optimum ionic conductivity gel electrolyte which indicated 1.2% efficiency under 1 sun condition. Thus, the jatropha oil-based GPE demonstrated favorable properties that make it a promising alternative to petroleum-derived polymer electrolytes in DSSCs.
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Affiliation(s)
- Marwah Rayung
- Institute of Tropical Forestry and Forest Products, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
| | - Min Min Aung
- Institute of Tropical Forestry and Forest Products, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
- Unit Chemistry,
Center of Foundation Studies and Agricultural Science, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
| | - Mohd Sukor Su’ait
- Solar Energy Research
Institute (SERI), Universiti Kebangsaan
Malaysia, 43600 UKM Bangi, Selangor, Malaysia
| | - Luqman Chuah Abdullah
- Institute of Tropical Forestry and Forest Products, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
- Department of Chemical and Environmental Engineering,
Faculty of Engineering, Universiti Putra
Malaysia, 43400 UPM Serdang, Selangor, Malaysia
| | - Azizan Ahmad
- School of Chemical Sciences and Food Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
| | - Hong Ngee Lim
- Department of Chemistry,
Faculty of Science, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
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Członka S, Strąkowska A, Kairytė A. Application of Walnut Shells-Derived Biopolyol in the Synthesis of Rigid Polyurethane Foams. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E2687. [PMID: 32545580 PMCID: PMC7345166 DOI: 10.3390/ma13122687] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 06/07/2020] [Accepted: 06/10/2020] [Indexed: 01/29/2023]
Abstract
This study aimed to examine rigid polyurethane (PUR) foam properties that were synthesized from walnut shells (WS)-based polyol. The Fourier Transform Infrared Spectroscopy (FTIR) results revealed that the liquefaction of walnut shells was successfully performed. The three types of polyurethane (PUR) foams were synthesized by replacement of 10, 20, and 30 wt% of a petrochemical polyol with WS-based polyol. The impact of WS-based polyol on the cellular morphology, mechanical, thermal, and insulating characteristics of PUR foams was examined. The produced PUR foams had apparent densities from 37 to 39 kg m-3, depending on the weight ratio of WS-based polyol. PUR foams that were obtained from WS-based polyol exhibited improved mechanical characteristics when compared with PUR foams that were derived from the petrochemical polyol. PUR foams produced from WS-based polyol showed compressive strength from 255 to 310 kPa, flexural strength from 420 to 458 kPa, and impact strength from 340 to 368 kPa. The foams that were produced from WS-based polyol exhibited less uniform cell structure than foams derived from the petrochemical polyol. The thermal conductivity of the PUR foams ranged between 0.026 and 0.032 W m-1K-1, depending on the concentration of WS-based polyol. The addition of WS-based polyol had no significant influence on the thermal degradation characteristics of PUR foams. The maximum temperature of thermal decomposition was observed for PUR foams with the highest loading of WS-based polyol.
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Affiliation(s)
- Sylwia Członka
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 12/16, 90-924 Lodz, Poland;
| | - Anna Strąkowska
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 12/16, 90-924 Lodz, Poland;
| | - Agnė Kairytė
- Faculty of Civil Engineering, Institute of Building Materials, Laboratory of Thermal Insulating Materials and Acoustics, Vilnius Gediminas Technical University, Linkmenu st. 28, LT-08217 Vilnius, Lithuania;
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27
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Członka S, Strąkowska A, Strzelec K, Kairytė A, Kremensas A. Bio-Based Polyurethane Composite Foams with Improved Mechanical, Thermal, and Antibacterial Properties. MATERIALS 2020; 13:ma13051108. [PMID: 32131392 PMCID: PMC7084974 DOI: 10.3390/ma13051108] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 02/24/2020] [Accepted: 02/27/2020] [Indexed: 01/31/2023]
Abstract
Among different organic fillers, the chemical composition of Syzygium aromaticum, commonly known as cloves, has great potential as a sustainable reinforcement for polymeric materials. In the study, grounded cloves were used as cellulosic filler for a novel polyurethane (PU) composite foams. Soybean oil-based PU composite foams were successfully reinforced with different concentrations (1, 2, and 5 wt%) of clove filler. PU foams were examined by rheological behavior, processing parameters, cellular structure (scanning electron microscopy analysis), mechanical properties (compression test, impact test, three-point bending test), thermal properties (thermogravimetric analysis), viscoelastic behavior (dynamic mechanical analysis) as well as selected application properties (apparent density, dimensional stability, surface hydrophobicity, water absorption, color characteristic). In order to undertake the disc diffusion method, all PU composites were tested against selected bacteria (Escherichia coli and Staphylococcus aureus). Based on the results, it can be concluded that the addition of 1 and 2 wt% of clove filler leads to PU composite foams with improved compression strength (improvement by ≈18% for sample PU-1), greater flexural strength (increase of ≈11%), and improved impact strength (increase of ≈8%). Moreover, it has been proved that clove filler may be used as a natural anti-aging compound for polymeric materials. Based on the antibacterial results, it has been shown that the addition of clove filler significantly improved the antibacterial properties of PU foams and is suitable for the manufacturing of antimicrobial PU composite foams. Due to these positive and beneficial effects, it can be stated that the use of cloves as a natural filler in PU composite foams can promote a new application path in converting agricultural waste into useful resources for creating a new class of green materials.
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Affiliation(s)
- Sylwia Członka
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, 90924 Stefanowskiego, Poland; (A.S.); (K.S.)
- Correspondence:
| | - Anna Strąkowska
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, 90924 Stefanowskiego, Poland; (A.S.); (K.S.)
| | - Krzysztof Strzelec
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, 90924 Stefanowskiego, Poland; (A.S.); (K.S.)
| | - Agnė Kairytė
- Institute of Building Materials, Faculty of Civil Engineering, Vilnius Gediminas Technical University, LT-08217 Vilnius, Lithuania; (A.K.); (A.K.)
| | - Arūnas Kremensas
- Institute of Building Materials, Faculty of Civil Engineering, Vilnius Gediminas Technical University, LT-08217 Vilnius, Lithuania; (A.K.); (A.K.)
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Briou B, Vu ND, Caillol S, Robin J, Duguet N, Lemaire M, Etienne P, Bonnet L, Lapinte V. Polyurethane Thermosets Using Lipidic Poly(α‐Hydroxyketone). J AM OIL CHEM SOC 2019. [DOI: 10.1002/aocs.12289] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Benoit Briou
- ICGM, Univ Montpellier, CNRS, ENSCM F‐34095 Montpellier France
| | - Nam Duc Vu
- Univ Lyon, Université Claude Bernard Lyon1, CNRS, INSA‐Lyon, CPE‐Lyon, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, ICBMSUMR 5246, Equipe CAtalyse, SYnthèse et ENvironnement (CASYEN) Batiment Lederer, 1 rue Victor Grignard, F‐69100 Villeurbanne France
| | - Sylvain Caillol
- ICGM, Univ Montpellier, CNRS, ENSCM F‐34095 Montpellier France
| | | | - Nicolas Duguet
- Univ Lyon, Université Claude Bernard Lyon1, CNRS, INSA‐Lyon, CPE‐Lyon, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, ICBMSUMR 5246, Equipe CAtalyse, SYnthèse et ENvironnement (CASYEN) Batiment Lederer, 1 rue Victor Grignard, F‐69100 Villeurbanne France
| | - Marc Lemaire
- Univ Lyon, Université Claude Bernard Lyon1, CNRS, INSA‐Lyon, CPE‐Lyon, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, ICBMSUMR 5246, Equipe CAtalyse, SYnthèse et ENvironnement (CASYEN) Batiment Lederer, 1 rue Victor Grignard, F‐69100 Villeurbanne France
| | - Pascal Etienne
- Laboratoire Charles Coulomb UMR 5221 CNRS‐UM, Direction du laboratoireUniversité de Montpellier Campus Triolet, Place Eugène Bataillon, CC069, F‐34095 Montpellier France
| | - Laurent Bonnet
- Laboratoire Charles Coulomb UMR 5221 CNRS‐UM, Direction du laboratoireUniversité de Montpellier Campus Triolet, Place Eugène Bataillon, CC069, F‐34095 Montpellier France
| | - Vincent Lapinte
- ICGM, Univ Montpellier, CNRS, ENSCM F‐34095 Montpellier France
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29
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Polymerization Kinetics and Physical Properties of Polyurethanes Synthesized by Bio-Based Monomers. Macromol Res 2019. [DOI: 10.1007/s13233-019-7029-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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30
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Gong H, Guo X, Cao D, Gao P, Feng D, Zhang X, Shi Z, Zhang Y, Zhu S, Cui Z. Photopolymerizable and moisture-curable polyurethanes for dental adhesive applications to increase restoration durability. J Mater Chem B 2019; 7:744-754. [PMID: 32254848 DOI: 10.1039/c8tb01716f] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this study we evaluated dual-cure polyurethanes (PUs) as dental adhesives and investigated their effect on the durability of the resin-dentin bonding interface. Different novel photopolymerizable and moisture-curable PUs based on polyester polyol, polyether polyol, and hydroxyethyl methacrylates (HEMAs) were prepared, and their structural characteristics were evaluated by Fourier transform infrared spectroscopy. The tensile strength, elongation at break, and water sorption/solubility of the PU adhesives and the application for bonding with dentin were evaluated. The water sorption and solubility of the PU adhesives were significantly lower than those of two commercial control groups. The bond strength of the PU adhesives after 30 days of storage increased compared with their immediate bond strength, and the microleakage detection of Class V restorations showed less occurrence of marginal leakage compared with the commercial control groups. Cytotoxicity testing has shown that the PU adhesives have low toxicity to pulp cells. The results of this study may shift the future research focus of composite resin dental restoratives from original rigid bonding of the interface to a flexible bonding based on the use of PU adhesives. This may become a new strategy for decreasing the occurrence of microleakage and improving the durability of the bonding interface.
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Affiliation(s)
- Haihuan Gong
- Department of Prosthetic Dentistry, School and Hospital of Stomatology, Jilin University, Changchun 130021, P. R. China.
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31
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Huo S, Jin C, Liu G, Chen J, Wu G, Kong Z. Preparation and properties of biobased autocatalytic polyols and their polyurethane foams. Polym Degrad Stab 2019. [DOI: 10.1016/j.polymdegradstab.2018.11.019] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Majdoub M, Essamlali Y, Amadine O, Ganetri I, Zahouily M. Organophilic graphene nanosheets as a promising nanofiller for bio-based polyurethane nanocomposites: investigation of the thermal, barrier and mechanical properties. NEW J CHEM 2019. [DOI: 10.1039/c9nj03300a] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
The present study focuses on the design of new nanocomposite films using bio-based thermoplastic polyurethane (TPU) as a polymer matrix and long chain amine functionalized reduced graphene oxide (G-ODA) as a nanofiller.
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Affiliation(s)
- Mohammed Majdoub
- Laboratoire de Matériaux
- Catalyse & Valorisation des Ressources Naturelles
- URAC 24
- Faculté des Sciences et Techniques
- Université Hassan II
| | - Younes Essamlali
- MAScIR Foundation
- VARENA Center
- Rabat Design
- Rue Mohamed El Jazouli
- Madinat Al Irfane
| | - Othmane Amadine
- MAScIR Foundation
- VARENA Center
- Rabat Design
- Rue Mohamed El Jazouli
- Madinat Al Irfane
| | - Ikram Ganetri
- MAScIR Foundation
- VARENA Center
- Rabat Design
- Rue Mohamed El Jazouli
- Madinat Al Irfane
| | - Mohamed Zahouily
- Laboratoire de Matériaux
- Catalyse & Valorisation des Ressources Naturelles
- URAC 24
- Faculté des Sciences et Techniques
- Université Hassan II
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33
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Gama NV, Ferreira A, Barros-Timmons A. Polyurethane Foams: Past, Present, and Future. MATERIALS (BASEL, SWITZERLAND) 2018; 11:E1841. [PMID: 30262722 PMCID: PMC6213201 DOI: 10.3390/ma11101841] [Citation(s) in RCA: 239] [Impact Index Per Article: 39.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2018] [Revised: 09/19/2018] [Accepted: 09/23/2018] [Indexed: 11/16/2022]
Abstract
Polymeric foams can be found virtually everywhere due to their advantageous properties compared with counterparts materials. Possibly the most important class of polymeric foams are polyurethane foams (PUFs), as their low density and thermal conductivity combined with their interesting mechanical properties make them excellent thermal and sound insulators, as well as structural and comfort materials. Despite the broad range of applications, the production of PUFs is still highly petroleum-dependent, so this industry must adapt to ever more strict regulations and rigorous consumers. In that sense, the well-established raw materials and process technologies can face a turning point in the near future, due to the need of using renewable raw materials and new process technologies, such as three-dimensional (3D) printing. In this work, the fundamental aspects of the production of PUFs are reviewed, the new challenges that the PUFs industry are expected to confront regarding process methodologies in the near future are outlined, and some alternatives are also presented. Then, the strategies for the improvement of PUFs sustainability, including recycling, and the enhancement of their properties are discussed.
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Affiliation(s)
- Nuno V Gama
- CICECO-Aveiro Institute of Materials and Department of Chemistry, University of Aveiro⁻Campus Santiago, 3810-193 Aveiro, Portugal.
| | - Artur Ferreira
- CICECO-Aveiro Institute of Materials and Department of Chemistry, University of Aveiro⁻Campus Santiago, 3810-193 Aveiro, Portugal.
- Escola Superior de Tecnologia e Gestão de Águeda-Rua Comandante Pinho e Freitas, No. 28, 3750-127 Águeda, Portugal.
| | - Ana Barros-Timmons
- CICECO-Aveiro Institute of Materials and Department of Chemistry, University of Aveiro⁻Campus Santiago, 3810-193 Aveiro, Portugal.
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Suryawanshi Y, Sanap P, Wani V. Advances in the synthesis of non-isocyanate polyurethanes. Polym Bull (Berl) 2018. [DOI: 10.1007/s00289-018-2531-7] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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35
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Doley S, Dolui SK. Solvent and catalyst-free synthesis of sunflower oil based polyurethane through non-isocyanate route and its coatings properties. Eur Polym J 2018. [DOI: 10.1016/j.eurpolymj.2018.03.030] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Kokel A, Török B. Sustainable Production of Fine Chemicals and Materials Using Nontoxic Renewable Sources. Toxicol Sci 2018; 161:214-224. [PMID: 29045743 DOI: 10.1093/toxsci/kfx214] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Due to declining hydrocarbon resources and strengthening environmental regulations, significant attention is directed toward sustainable and nontoxic supplies for the development of green technologies in a variety of industries. This account provides an overview on the sources and recent applications of such materials surveying the most common nontoxic and renewable resources that can be obtained from biological sources. Developing a broad array of technologies based on these materials would establish a truly sustainable green chemical industry. The study thematically discusses various compound groups, eg, carbohydrates, proteins, and triglycerides (oils). Since often the monomers or building blocks of these biopolymers are of significant importance and produced in large amounts, the applications of these compounds are also reviewed.
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Affiliation(s)
- Anne Kokel
- Department of Chemistry, University of Massachusetts Boston, Boston, Massachusetts 02125
| | - Béla Török
- Department of Chemistry, University of Massachusetts Boston, Boston, Massachusetts 02125
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Karimi MB, Khanbabaei G, Mir Mohamad Sadeghi G, Jafari A. Effect of nano-silica on gas permeation properties of polyether-based polyurethane membrane in the presence of esterified canola oil diol as a nucleation agent for hard segments. J Appl Polym Sci 2017. [DOI: 10.1002/app.45979] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Mohammad Bagher Karimi
- Department of Polymer Engineering and Color Technology; Amirkabir University of Technology; P.O. Box 15875-4413, Tehran Iran
| | - Ghader Khanbabaei
- Development Division of Chemical; Polymer and Petrochemical Technology, Research Institute of Petroleum Industry; P.O. Box 18745-4163, Tehran Iran
| | - Gity Mir Mohamad Sadeghi
- Department of Polymer Engineering and Color Technology; Amirkabir University of Technology; P.O. Box 15875-4413, Tehran Iran
| | - Arman Jafari
- Department of Chemical Engineering, School of Chemical and Petroleum Engineering; Shiraz University; Shiraz 71348-51154 Iran
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39
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Uprety BK, Reddy JV, Dalli SS, Rakshit SK. Utilization of microbial oil obtained from crude glycerol for the production of polyol and its subsequent conversion to polyurethane foams. BIORESOURCE TECHNOLOGY 2017; 235:309-315. [PMID: 28371769 DOI: 10.1016/j.biortech.2017.03.126] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Revised: 03/20/2017] [Accepted: 03/21/2017] [Indexed: 06/07/2023]
Abstract
We have demonstrated possible use of microbial oil in biopolymer industries. Microbial oil was produced from biodiesel based crude glycerol and subsequently converted into polyol. Fermentation of crude glycerol in a batch bioreactor using Rhodosporidium toruloides ATCC 10788 produced 18.69g/L of lipid at the end of 7days. The microbial oil was then chemically converted to polyol and characterized using FT-IR and 1H NMR. For comparison, canola oil and palm oil were also converted into their respective polyols. The hydroxyl numbers of polyols from canola, palm and microbial oil were found to be 266.86, 222.32 and 230.30 (mgKOH/g of sample) respectively. All the polyols were further converted into rigid and semi-rigid polyurethanes (maintaining the molar -NCO/-OH ratio of 1.1) to examine their suitability in polymer applications. Conversion of microbial lipid to polyurethane foam also provides a new route for the production of polymers using biodiesel based crude glycerol.
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Affiliation(s)
- Bijaya K Uprety
- Department of Biotechnology, Lakehead University, Thunder Bay, Ontario, Canada
| | - Jayanth Venkatarama Reddy
- Department of Chemical Engineering, M.S. Ramaiah Institute of Technology, Bangalore, Karnataka, India
| | - Sai Swaroop Dalli
- Department of Chemistry and Material Sciences, Lakehead University, Thunder Bay, Ontario, Canada
| | - Sudip K Rakshit
- Department of Chemical Engineering, Lakehead University, Thunder Bay, Ontario, Canada.
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41
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Marcovich NE, Kurańska M, Prociak A, Malewska E, Bujok S. The effect of different palm oil-based bio-polyols on foaming process and selected properties of porous polyurethanes. POLYM INT 2017. [DOI: 10.1002/pi.5408] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Norma E Marcovich
- Institute of Material Science and Technology (INTEMA); National University of Mar del Plata; Mar del Plata Argentina
| | - Maria Kurańska
- Department of Chemistry and Technology of Polymers; Cracow University of Technology; Cracow Poland
| | - Aleksander Prociak
- Department of Chemistry and Technology of Polymers; Cracow University of Technology; Cracow Poland
| | - Elżbieta Malewska
- Department of Chemistry and Technology of Polymers; Cracow University of Technology; Cracow Poland
| | - Sonia Bujok
- Department of Chemistry and Technology of Polymers; Cracow University of Technology; Cracow Poland
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42
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Tenorio-Alfonso A, Sánchez MC, Franco JM. Preparation, Characterization and Mechanical Properties of Bio-Based Polyurethane Adhesives from Isocyanate-Functionalized Cellulose Acetate and Castor Oil for Bonding Wood. Polymers (Basel) 2017; 9:E132. [PMID: 30970811 PMCID: PMC6431933 DOI: 10.3390/polym9040132] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 03/29/2017] [Accepted: 04/03/2017] [Indexed: 11/18/2022] Open
Abstract
Nowadays, different types of natural carbohydrates such as sugars, starch, cellulose and their derivatives are widely used as renewable raw materials. Vegetable oils are also considered as promising raw materials to be used in the synthesis of high quality products in different applications, including in the adhesive field. According to this, several bio-based formulations with adhesion properties were synthesized first by inducing the functionalization of cellulose acetate with 1,6-hexamethylene diisocyanate and then mixing the resulting biopolymer with a variable amount of castor oil, from 20% to 70% (wt). These bio-based adhesives were mechanically characterized by means of small-amplitude oscillatory torsion measurements, at different temperatures, and standardized tests to evaluate tension loading (ASTM-D906) and peel strength (ASTM-D903). In addition, thermal properties and stability of the synthesized bio-polyurethane formulations were also analyzed through differential scanning calorimetry and thermal gravimetric analysis. As a result, the performance of these bio-polyurethane products as wood adhesives were compared and analyzed. Bio-polyurethane formulations exhibited a simple thermo-rheological behavior below a critical temperature of around 80⁻100 °C depending on the castor oil/cellulose acetate weight ratio. Formulation with medium castor oil/biopolymer weight ratio (50:50 % wt) showed the most suitable mechanical properties and adhesion performance for bonding wood.
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Affiliation(s)
- Adrián Tenorio-Alfonso
- Department of Chemical Engineering, University of Huelva, Campus El Carmen, Campus ceiA3, 21071 Huelva, Spain.
| | - María Carmen Sánchez
- Department of Chemical Engineering, University of Huelva, Campus El Carmen, Campus ceiA3, 21071 Huelva, Spain.
- Pro2TecS-Chemical Process and Product Technology Research Center, University of Huelva, 21071 Huelva, Spain.
| | - José M Franco
- Department of Chemical Engineering, University of Huelva, Campus El Carmen, Campus ceiA3, 21071 Huelva, Spain.
- Pro2TecS-Chemical Process and Product Technology Research Center, University of Huelva, 21071 Huelva, Spain.
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Kong X, Zhao L, Curtis JM. Polyurethane nanocomposites incorporating biobased polyols and reinforced with a low fraction of cellulose nanocrystals. Carbohydr Polym 2016; 152:487-495. [DOI: 10.1016/j.carbpol.2016.07.032] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Revised: 06/28/2016] [Accepted: 07/07/2016] [Indexed: 11/30/2022]
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44
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Devi PPK, Maznee TITN, Hoong SS, Zailan AB, Yeong SK, Hazimah AH, Schiffman CM, Sendijarevic A, Sendijarevic V, Sendijarevic I. Urethane-forming reaction kinetics of natural oil polyols versus petroleum-based polyether polyol. REACTION KINETICS MECHANISMS AND CATALYSIS 2016. [DOI: 10.1007/s11144-016-1043-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Špírková M, Serkis M, Poręba R, Machová L, Hodan J, Kredatusová J, Kubies D, Zhigunov A. Experimental study of the simulated process of degradation of polycarbonate- and d,l-lactide-based polyurethane elastomers under conditions mimicking the physiological environment. Polym Degrad Stab 2016. [DOI: 10.1016/j.polymdegradstab.2016.01.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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46
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Albarrán-Preza E, Corona-Becerril D, Vigueras-Santiago E, Hernández-López S. Sweet polymers: Synthesis and characterization of xylitol-based epoxidized linseed oil resins. Eur Polym J 2016. [DOI: 10.1016/j.eurpolymj.2015.12.025] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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47
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Fang Z, Yang Z, Ji D, Zhu N, Li X, Wan L, Zhang K, Guo K. Novel synthesis of a soy-based polyol for a polyurethane rigid foam. RSC Adv 2016. [DOI: 10.1039/c6ra20855j] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A novel soy-based polyol was synthesised using a novel method.
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Affiliation(s)
- Zheng Fang
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- PR China
| | - Zhao Yang
- College of Engineering
- China Pharmaceutical University
- Nanjing 210009
- PR China
| | - Dong Ji
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- PR China
- Yangzi Petrochemical Company Ltd
| | - Ning Zhu
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- PR China
| | - Xin Li
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- PR China
| | - Li Wan
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- PR China
| | - Kai Zhang
- School of Mechanical and Power Engineering
- Nanjing Tech University
- Nanjing 211816
- PR China
| | - Kai Guo
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- PR China
- State Key Laboratory of Materials-Oriented Chemical Engineering
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48
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Hydrolytic stability of polycarbonate-based polyurethane elastomers tested in physiologically simulated conditions. Polym Degrad Stab 2015. [DOI: 10.1016/j.polymdegradstab.2015.04.030] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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49
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Yang J, Yue J, Zha B, Zhao Y. Synthesis and characterization of novel trialdehyde, tribenzylamine, and triamine from triolein. EUR J LIPID SCI TECH 2015. [DOI: 10.1002/ejlt.201400625] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Jian Yang
- Department of Food Science and Technology, School of Agriculture and BiologyShanghai Jiao Tong UniversityShanghaiP. R. China
- Bor Luh Food Safety CenterShanghai Jiao Tong UniversityShanghaiP. R. China
| | - Jin Yue
- Department of Food Science and Technology, School of Agriculture and BiologyShanghai Jiao Tong UniversityShanghaiP. R. China
- Bor Luh Food Safety CenterShanghai Jiao Tong UniversityShanghaiP. R. China
| | - Baoping Zha
- Department of Food Science and Technology, School of Agriculture and BiologyShanghai Jiao Tong UniversityShanghaiP. R. China
- Bor Luh Food Safety CenterShanghai Jiao Tong UniversityShanghaiP. R. China
| | - Yanyun Zhao
- Department of Food Science and Technology, School of Agriculture and BiologyShanghai Jiao Tong UniversityShanghaiP. R. China
- Bor Luh Food Safety CenterShanghai Jiao Tong UniversityShanghaiP. R. China
- Department of Food Science and TechnologyOregon State UniversityCorvallisORUSA
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50
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Review on hygroscopic aging of cellulose fibres and their biocomposites. Carbohydr Polym 2015; 131:337-54. [PMID: 26256193 DOI: 10.1016/j.carbpol.2015.06.027] [Citation(s) in RCA: 108] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2015] [Revised: 05/22/2015] [Accepted: 06/08/2015] [Indexed: 11/22/2022]
Abstract
This review presents critical literature on effects of humidity and temperature on the properties of natural fibres and its composites. The drawback of moisture absorption on the mechanical properties of natural fibre and its composites is evaluated. Numerous researchers have been working to address the moisture absorption issue, with specific attention paid to the surface treatment of fibres and refining the fibre-matrix interface. Because of the natural fibre's positive commercial and environmental outcomes, as well as their desirable properties such as high specific strength, natural fibre reinforced composites are displaying a good potential to be used in various applications such as automotive, aerospace and packaging. This review addresses a comprehensive survey on hygroscopic factors (long term environmental aging) affecting natural fibres and their performance as reinforcement in polymer composites. The effects of cellulose surface chemistry and topography on hydrophobicity are addressed. Furthermore, the review also addresses the progress in the development of superhydrophobic materials based on cellulose material for better moisture resistance. In addition, recent investigations dealing with bio-based coatings prepared from renewable resources are also discussed.
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