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Pu M, Fang C, Zhou X, Wang D, Lin Y, Lei W, Li L. Recent Advances in Environment-Friendly Polyurethanes from Polyols Recovered from the Recycling and Renewable Resources: A Review. Polymers (Basel) 2024; 16:1889. [PMID: 39000744 PMCID: PMC11244063 DOI: 10.3390/polym16131889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Revised: 06/25/2024] [Accepted: 06/27/2024] [Indexed: 07/17/2024] Open
Abstract
Polyurethane (PU) is among the most universal polymers and has been extensively applied in many fields, such as construction, machinery, furniture, clothing, textile, packaging and biomedicine. Traditionally, as the main starting materials for PU, polyols deeply depend on petroleum stock. From the perspective of recycling and environmental friendliness, advanced PU synthesis, using diversified resources as feedstocks, aims to develop versatile products with excellent properties to achieve the transformation from a fossil fuel-driven energy economy to renewable and sustainable ones. This review focuses on the recent development in the synthesis and modification of PU by extracting value-added monomers for polyols from waste polymers and natural bio-based polymers, such as the recycled waste polymers: polyethylene terephthalate (PET), PU and polycarbonate (PC); the biomaterials: vegetable oil, lignin, cashew nut shell liquid and plant straw; and biomacromolecules: polysaccharides and protein. To design these advanced polyurethane formulations, it is essential to understand the structure-property relationships of PU from recycling polyols. In a word, this bottom-up path provides a material recycling approach to PU design for printing and packaging, as well as biomedical, building and wearable electronics applications.
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Affiliation(s)
- Mengyuan Pu
- School of Mechanical and Precision Instrument Engineering, Xi’an University of Technology, Xi’an 710048, China; (M.P.); (D.W.)
- School of Printing, Packaging Engineering and Digital Media Technology, Xi’an University of Technology, Xi’an 710048, China; (Y.L.); (W.L.)
| | - Changqing Fang
- School of Mechanical and Precision Instrument Engineering, Xi’an University of Technology, Xi’an 710048, China; (M.P.); (D.W.)
- School of Printing, Packaging Engineering and Digital Media Technology, Xi’an University of Technology, Xi’an 710048, China; (Y.L.); (W.L.)
| | - Xing Zhou
- School of Mechanical and Precision Instrument Engineering, Xi’an University of Technology, Xi’an 710048, China; (M.P.); (D.W.)
- School of Printing, Packaging Engineering and Digital Media Technology, Xi’an University of Technology, Xi’an 710048, China; (Y.L.); (W.L.)
| | - Dong Wang
- School of Mechanical and Precision Instrument Engineering, Xi’an University of Technology, Xi’an 710048, China; (M.P.); (D.W.)
- School of Printing, Packaging Engineering and Digital Media Technology, Xi’an University of Technology, Xi’an 710048, China; (Y.L.); (W.L.)
| | - Yangyang Lin
- School of Printing, Packaging Engineering and Digital Media Technology, Xi’an University of Technology, Xi’an 710048, China; (Y.L.); (W.L.)
| | - Wanqing Lei
- School of Printing, Packaging Engineering and Digital Media Technology, Xi’an University of Technology, Xi’an 710048, China; (Y.L.); (W.L.)
| | - Lu Li
- Key Laboratory of Auxiliary Chemistry and Technology for Chemical Industry, Ministry of Education, Shaanxi University of Science and Technology, Xi’an 710021, China;
- Shaanxi Collaborative Innovation Center of Industrial Auxiliary Chemistry and Technology, Shaanxi University of Science and Technology, Xi’an 710021, China
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Davletbaeva IM, Sazonov OO, Zakirov IN, Arkhipov AV, Davletbaev RS. Self-Organization of Polyurethane Ionomers Based on Organophosphorus-Branched Polyols. Polymers (Basel) 2024; 16:1773. [PMID: 39000629 PMCID: PMC11243855 DOI: 10.3390/polym16131773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Revised: 06/13/2024] [Accepted: 06/20/2024] [Indexed: 07/17/2024] Open
Abstract
Based on organophosphorus branched polyols (AEPAs) synthesized using triethanolamine (TEOA), ortho-phosphoric acid (OPA), and polyoxyethylene glycol with MW = 400 (PEG), vapor-permeable polyurethane ionomers (AEPA-PEG-PUs) were obtained. During the synthesis of AEPAs, the reaction of the OPA etherification with polyoxyethylene glycol was studied in a wide temperature range and at different molar ratios of the starting components. It turned out that OPA simultaneously undergoes a catalytically activated etherification reaction with triethanolamine and PEG. After TEOA is fully involved in the etherification reaction, excess OPA does not react with the terminal hydroxyl groups of AEPA-PEG or the remaining amount of PEG. The ortho-phosphoric acid remaining in an unreacted state is involved in associative interactions with the phosphate ions of the AEPA. Increasing the synthesis temperature from 40 °C to 110 °C leads to an increase in OPA conversion. However, for the AEPA-PEG-PU based on AEPA-PEG obtained at 100 °C and 110 °C, ortho-phosphoric acid no longer enters into associative interactions with the phosphate ions of the AEPA. Due to the hydrophilicity of polyoxyethylene glycol, the presence of phosphate ions in the polyurethane structure, and their associative binding with the unreacted ortho-phosphoric acid, the diffusion of water molecules in polyurethanes is enhanced, and high values of vapor permeability and tensile strength were achieved.
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Affiliation(s)
- Ilsiya M. Davletbaeva
- Technology of Synthetic Rubber Department, Kazan National Research Technological University, 68 Karl Marx str., Kazan 420015, Russia; (O.O.S.); (I.N.Z.)
| | - Oleg O. Sazonov
- Technology of Synthetic Rubber Department, Kazan National Research Technological University, 68 Karl Marx str., Kazan 420015, Russia; (O.O.S.); (I.N.Z.)
| | - Ilyas N. Zakirov
- Technology of Synthetic Rubber Department, Kazan National Research Technological University, 68 Karl Marx str., Kazan 420015, Russia; (O.O.S.); (I.N.Z.)
| | - Alexander V. Arkhipov
- Institute of Electronics and Telecommunications, Peter the Great St. Petersburg Polytechnic University, 29 Polytechnicheskaya str., St. Petersburg 195251, Russia;
| | - Ruslan S. Davletbaev
- Material Science and Technology of Materials Department, Kazan State Power Engineering University, 51 Krasnoselskaya str., Kazan 420066, Russia;
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More PR, Pegu K, Arya SS. Development and characterization of taro starch-casein composite bioactive films functionalized by micellar pomegranate peel extract (MPPE). Int J Biol Macromol 2022; 220:1060-1071. [PMID: 36027986 DOI: 10.1016/j.ijbiomac.2022.08.147] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 08/12/2022] [Accepted: 08/22/2022] [Indexed: 11/19/2022]
Abstract
Starch-casein composite (solid matter content) based bioactive films incorporated with micellar pomegranate peel extract (MPPE) at different concentrations (10, 25, 50, and 100 wt% with respect to base solid matter content) were developed. The extract-free film was used as a control. The bioactive films were characterized for physicochemical, mechanical, barrier, structural, thermal, and bioactive properties. Decreased ζ-potential and surface tension, increased particle size, and improved rheological properties of MPPE added film-forming dispersion (FFD) were recorded. Among all the physical properties of bioactive films, only contact angle was reduced. An increase in MPPE concentration exhibited less hardness, more extensibility, and an excellent barrier to water vapor permeability than the control film. Increased MPPE concentration showed a decline in transparency (%) and lightness (L*) resulting into distinct color to the film. Structural compactness and integrity of the films were confirmed by SEM and XRD patterns. Improved functional interaction and thermal reliability of bioactive films were noted. The interaction patterns between starch-casein composite and MPPE bioactives indicated the development of covalent links. Excellent bioactivities with the slow release of bioactives in hydroalcoholic environment, confirmed by the kinetic study. Remarkable antibacterial effect was noted against E. coli and S. aureus by the films. Overall, increasing the concentration of MPPE in bioactive film showed improved physicochemical strength; hence, prepared bioactive films could be used as food coatings.
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Affiliation(s)
- Pavankumar R More
- Food Engineering and Technology Department, Institute of Chemical Technology, Matunga, Mumbai, Maharashtra 400019, India
| | - Kakoli Pegu
- Food Engineering and Technology Department, Institute of Chemical Technology, Matunga, Mumbai, Maharashtra 400019, India
| | - Shalini S Arya
- Food Engineering and Technology Department, Institute of Chemical Technology, Matunga, Mumbai, Maharashtra 400019, India.
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Catalytic Etherification of ortho-Phosphoric Acid for the Synthesis of Polyurethane Ionomer Films. Polymers (Basel) 2022; 14:polym14163295. [PMID: 36015551 PMCID: PMC9414125 DOI: 10.3390/polym14163295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 08/07/2022] [Accepted: 08/10/2022] [Indexed: 11/24/2022] Open
Abstract
The etherification reaction of ortho-phosphoric acid (OPA) with polyoxypropylene glycol in the presence of tertiary amines was studied. The reaction conditions promoting the catalytic activity of triethanolamine (TEOA) and triethylamine (TEA) in the low-temperature etherification of OPA were established. The catalytic activity of TEOA and TEA in the etherification reaction of phosphoric acid is explained by the hydrophobic-hydrophilic interactions of TEA with PPG, leading, as a result of collective interactions, to a specific orientation of polyoxypropylene chains around the tertiary amine. When using triethylamine, complete etherification of OPA occurs, accompanied by the formation of branched OPA ethers terminated by hydroxyl groups and even the formation of polyphosphate structures. When triethanolamine is used as a catalyst, incomplete etherification of OPA with polyoxypropylene glycol occurs and as a result, part of the phosphate anions remain unreacted in the composition of the resulting aminoethers of ortho-phosphoric acid (AEPA). In this case, the hydroxyl groups of triethanolamine are completely involved in the OPA etherification reaction, but the catalytic activity of the tertiary amine weakens due to a decrease in its availability in the branched structure of AEPA. The kinetics of the etherification reaction of OPA by polyoxypropylene glycol catalyzed by TEOA and TEA were studied. It was shown that triethanolamine occupies a central position in the AEPA structure. The physico-mechanical and thermomechanical properties of polyurethane ionomer films obtained on the basis of AEPA synthesized in a wide temperature range were studied.
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Cui C, Ji N, Wang Y, Xiong L, Sun Q. Bioactive and intelligent starch-based films: A review. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.08.024] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Tai NL, Ghasemlou M, Adhikari R, Adhikari B. Starch-based isocyanate- and non-isocyanate polyurethane hybrids: A review on synthesis, performance and biodegradation. Carbohydr Polym 2021; 265:118029. [PMID: 33966823 DOI: 10.1016/j.carbpol.2021.118029] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 03/15/2021] [Accepted: 03/30/2021] [Indexed: 02/06/2023]
Abstract
The challenges related to the persistence of plastics in natural ecosystems fostered strong interest in developing biodegradable bioplastics. Among natural biopolymers, starch gained both academic and industrial interest owing to its impressive physicochemical properties. The use of starch in production of polyurethane (PU) composites not only yields PUs with outstanding mechanical properties but also makes the final PU products biodegradable. The hydrophilic nature of starch limits its dispersion in hydrophobic PU polymers, although it is a significant benefit in creating starch-embedded non-isocyanate polyurethane (NIPU) composites. We present a comprehensive overview to highlight important strategies that are used to improve the compatibility of starch with various PU matrices. This review also gives an overview of the recent advances in the synthesis of starch-NIPU hybrids. Moreover, we aim to deliver critical insight into strategies that boost the biodegradation characteristics of PUs along with a discussion on various methods to assess their biodegradation.
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Affiliation(s)
- Nyok Ling Tai
- School of Science, College of Science, Technology, Engineering & Mathematics (STEM), RMIT University, Melbourne, VIC 3000, Australia
| | - Mehran Ghasemlou
- School of Science, College of Science, Technology, Engineering & Mathematics (STEM), RMIT University, Melbourne, VIC 3000, Australia.
| | - Raju Adhikari
- School of Science, College of Science, Technology, Engineering & Mathematics (STEM), RMIT University, Melbourne, VIC 3000, Australia
| | - Benu Adhikari
- School of Science, College of Science, Technology, Engineering & Mathematics (STEM), RMIT University, Melbourne, VIC 3000, Australia.
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Zhou X, Zhang X, Mengyuan P, He X, Zhang C. Bio-based polyurethane aqueous dispersions. PHYSICAL SCIENCES REVIEWS 2021. [DOI: 10.1515/psr-2020-0075] [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
With the advances of green chemistry and nanoscience, the synthesis of green, homogenous bio-based waterborne polyurethane (WPU) dispersions with high performance have gained great attention. The presented chapter deals with the recent synthesis of waterborne polyurethane with the biomass, especially the vegetable oils including castor oil, soybean oil, sunflower oil, linseed oil, jatropha oil, and palm oil, etc. Meanwhile, the other biomasses, such as cellulose, starch, lignin, chitosan, etc., have also been illustrated with the significant application in preparing polyurethane dispersions. The idea was to highlight the main vegetable oil-based polyols, and the isocyanate, diols as chain extenders, which have supplied a class of raw materials in WPU. The conversion of biomasses into active chemical agents, which can be used in synthesis of WPU, has been discussed in detail. The main mechanisms and methods are also presented. It is suggested that the epoxide ring opening method is still the main route to transform vegetable oils to polyols. Furthermore, the nonisocyanate WPU may be one of the main trends for development of WPU using biomasses, especially the abundant vegetable oils.
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Affiliation(s)
- Xing Zhou
- Faculty of Printing, Packaging Engineering and Digital Media Technology , Xi’an University of Technology , Xi’an 710048 , P. R. China
- School of Materials Science and Engineering , Xi’an University of Technology , Xi’an 710048 , P. R. China
| | - Xin Zhang
- Faculty of Printing, Packaging Engineering and Digital Media Technology , Xi’an University of Technology , Xi’an 710048 , P. R. China
| | - Pu Mengyuan
- Faculty of Printing, Packaging Engineering and Digital Media Technology , Xi’an University of Technology , Xi’an 710048 , P. R. China
| | - Xinyu He
- Faculty of Printing, Packaging Engineering and Digital Media Technology , Xi’an University of Technology , Xi’an 710048 , P. R. China
| | - Chaoqun Zhang
- College of Materials and Energy , South China Agricultural University , Guangzhou 510642 , P. R. China
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Zou W, Zhang X, Stockmann R. Thermally processed lignin reduces the apparent hydrolysis rate of pancreatic α-amylase in starchy foods. Carbohydr Polym 2021; 263:117961. [PMID: 33858568 DOI: 10.1016/j.carbpol.2021.117961] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 03/15/2021] [Accepted: 03/16/2021] [Indexed: 10/21/2022]
Abstract
Lignin, despite being the second most abundant constituent of plant cell walls, is thought to be chemically inert during gastrointestinal digestion and therefore attracts little attention for its role in the human diet. This study explores the heat modifications of lignin to derive species capable of slowing starch digestion in vitro. We applied various advanced biochemical (e.g. enzymic digestion, solubility) and physio-chemical (e.g. scanning electron microscopy, Fourier-Transform-Infrared Spectroscopy, 13C-NMR) analyses to characterize the structure-function of lignin induced by heat treatment. It was found that lignin thermally processed above 300 °C reduced the apparent hydrolysis rate of pancreatic α-amylase, which is ascribed mainly to the insoluble lignin with a modified particle surface morphology. Further kinetic experiments showed that lignin species derived by thermal processing slowed in vitro digestion rates of potato starch and pasta. These findings highlight the potential for utilizing thermally processed lignin in slowing digestion of starchy foods.
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Affiliation(s)
- Wei Zou
- Agriculture and Food, Commonwealth Scientific and Industrial Research Organisation, Werribee, VIC, Australia.
| | - Xiaoqing Zhang
- Manufacturing, Commonwealth Scientific and Industrial Research Organisation, Clayton, VIC, Australia.
| | - Regine Stockmann
- Agriculture and Food, Commonwealth Scientific and Industrial Research Organisation, Werribee, VIC, Australia.
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Zhang Y, Jia S, Pan H, Wang L, Zhang H, Yang H, Dong L. Preparation, characterization and properties of biodegradable poly(butylene adipate‐co‐butylene terephthalate)/thermoplastic poly(propylene carbonate) polyurethane blend films. POLYM ADVAN TECHNOL 2021. [DOI: 10.1002/pat.5115] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Ye Zhang
- School of Chemical Engineering Changchun University of Technology Changchun China
| | - Shiling Jia
- School of Chemical Engineering Changchun University of Technology Changchun China
| | - Hongwei Pan
- Changchun Institute of Applied Chemistry, Key Laboratory of Polymer Ecomaterials Chinese Academy of Science Changchun China
| | - Lijuan Wang
- School of Chemical Engineering Changchun University of Technology Changchun China
| | - Huiliang Zhang
- Changchun Institute of Applied Chemistry, Key Laboratory of Polymer Ecomaterials Chinese Academy of Science Changchun China
- Zhejiang Zhongke Applied Chemistry Technology Co., Ltd. Hangzhou China
| | - Huili Yang
- Changchun Institute of Applied Chemistry, Key Laboratory of Polymer Ecomaterials Chinese Academy of Science Changchun China
| | - Lisong Dong
- Changchun Institute of Applied Chemistry, Key Laboratory of Polymer Ecomaterials Chinese Academy of Science Changchun China
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Advances in Waterborne Polyurethane and Polyurethane-Urea Dispersions and Their Eco-friendly Derivatives: A Review. Polymers (Basel) 2021; 13:polym13030409. [PMID: 33514067 PMCID: PMC7865350 DOI: 10.3390/polym13030409] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 01/22/2021] [Accepted: 01/25/2021] [Indexed: 01/05/2023] Open
Abstract
Polyurethanes and polyurethane-ureas, particularly their water-based dispersions, have gained relevance as an extremely versatile area based on environmentally friendly approaches. The evolution of their synthesis methods, and the nature of the reactants (or compounds involved in the process) towards increasingly sustainable pathways, has positioned these dispersions as a relevant and essential product for diverse application frameworks. Therefore, in this work, it is intended to show the progress in the field of polyurethane and polyurethane-urea dispersions over decades, since their initial synthesis approaches. Thus, the review covers from the basic concepts of polyurethane chemistry to the evolution of the dispersion's preparation strategies. Moreover, an analysis of the recent trends of using renewable reactants and enhanced green strategies, including the current legislation, directed to limit the toxicity and potentiate the sustainability of dispersions, is described. The review also highlights the strengths of the dispersions added with diverse renewable additives, namely, cellulose, starch or chitosan, providing some noteworthy results. Similarly, dispersion's potential to be processed by diverse methods is shown, evidencing, with different examples, their suitability in a variety of scenarios, outstanding their versatility even for high requirement applications.
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Ghasemlou M, Daver F, Ivanova EP, Brkljaca R, Adhikari B. Assessment of interfacial interactions between starch and non-isocyanate polyurethanes in their hybrids. Carbohydr Polym 2020; 246:116656. [PMID: 32747288 DOI: 10.1016/j.carbpol.2020.116656] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 06/10/2020] [Accepted: 06/15/2020] [Indexed: 12/16/2022]
Abstract
Manufacturing of multifunctional materials through blending is a promising route for improving performance of biopolymers including starch. Non-isocyanate polyurethanes (NIPUs) are an emerging group of green materials. Understanding the mechanism of interaction between starch and NIPU not only highlights underlying chemistry but also offers an opportunity to tailor the properties and functions of starch-NIPU hybrids. We investigated the interfacial interactions between starch and NIPU to pave the way towards development of high-performance green materials. Multiple analyses revealed that NIPU interacted effectively with starch chains via intermolecular hydrogen bonds. We showed that NIPU domains can efficiently interact with the small portion of starch skeleton at interfacial region and they are only moderately miscible. Incorporation of either component above certain ratio resulted in a phase separation. This work contributes towards understanding of interfacial chemistry between starch and NIPUs and enables tailoring the interface for facile engineering of starch-NIPU hybrids.
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Affiliation(s)
- Mehran Ghasemlou
- School of Science, College of Science, Engineering & Health, RMIT University, Melbourne, VIC, 3000, Australia.
| | - Fugen Daver
- School of Engineering, College of Science, Engineering & Health, RMIT University, Melbourne, VIC, 3000, Australia
| | - Elena P Ivanova
- School of Science, College of Science, Engineering & Health, RMIT University, Melbourne, VIC, 3000, Australia
| | - Robert Brkljaca
- Monash Biomedical Imaging, Monash University, Clayton, VIC, 3168, Australia
| | - Benu Adhikari
- School of Science, College of Science, Engineering & Health, RMIT University, Melbourne, VIC, 3000, Australia.
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Rukmanikrishnan B, Kim SS, Lee J. Flexible and compatible polymer composite blends based on polyurethane/sodium ionomer/lignin and their properties. J Appl Polym Sci 2020. [DOI: 10.1002/app.48885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
| | - Sam Soo Kim
- Department of Fiber System EngineeringYeungnam University Gyeongsan South Korea
| | - Jaewoong Lee
- Department of Fiber System EngineeringYeungnam University Gyeongsan South Korea
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Ren L, Ma X, Zhang J, Qiang T. Preparation of gallic acid modified waterborne polyurethane made from bio-based polyol. POLYMER 2020. [DOI: 10.1016/j.polymer.2020.122370] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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14
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Ghasemlou M, Daver F, Ivanova EP, Adhikari B. Synthesis of green hybrid materials using starch and non-isocyanate polyurethanes. Carbohydr Polym 2020; 229:115535. [DOI: 10.1016/j.carbpol.2019.115535] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 09/28/2019] [Accepted: 10/24/2019] [Indexed: 10/25/2022]
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15
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Medina‐Jaramillo C, Bernal C, Famá L. Influence of Green Tea and Basil Extracts on Cassava Starch Based Films as Assessed by Thermal Degradation, Crystalline Structure, and Mechanical Properties. STARCH-STARKE 2020. [DOI: 10.1002/star.201900155] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Carolina Medina‐Jaramillo
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Física, Laboratorio de Polímeros y Materiales Compuestos (LP&MC), Instituto de Física de Buenos Aires (IFIBA‐CONICET). Ciudad Universitaria (CP 1428), Ciudad Autónoma de Buenos Aires Buenos Aires Argentina
- UBA‐CONICETFacultad de Ingeniería, Instituto de Tecnología en Polímeros y Nanotecnología (ITPN), Universidad de Buenos Aires Av. Las Heras 2214 (CP 1127) Buenos Aires Argentina
- Universidad Pedagógica y Tecnológica de Colombia (UPTC)Facultad Seccional Duitama. Carrera 18 con Calle 22 DuitamaAvenida Central del Norte 39–115 150003 Sede Central Tunja–Boyacá Colombia
| | - Celina Bernal
- UBA‐CONICETFacultad de Ingeniería, Instituto de Tecnología en Polímeros y Nanotecnología (ITPN), Universidad de Buenos Aires Av. Las Heras 2214 (CP 1127) Buenos Aires Argentina
| | - Lucía Famá
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Física, Laboratorio de Polímeros y Materiales Compuestos (LP&MC), Instituto de Física de Buenos Aires (IFIBA‐CONICET). Ciudad Universitaria (CP 1428), Ciudad Autónoma de Buenos Aires Buenos Aires Argentina
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16
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Bio-based routes to synthesize cyclic carbonates and polyamines precursors of non-isocyanate polyurethanes: A review. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.06.032] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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17
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Surface Response Methodology-Based Mixture Design to Study the Influence of Polyol Blend Composition on Polyurethanes' Properties. Molecules 2018; 23:molecules23081942. [PMID: 30081493 PMCID: PMC6222905 DOI: 10.3390/molecules23081942] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Revised: 07/23/2018] [Accepted: 07/25/2018] [Indexed: 11/16/2022] Open
Abstract
Polyurethanes are materials with a strong structure-property relationship. The goal of this research was to study the effect of a polyol blend composition of polyurethanes on its properties using a mixture design and setting mathematic models for each property. Water absorption, hydrolytic degradation, contact angle, tensile strength hardness and modulus were studied. Additionally, thermal stability was studied by thermogravimetric analysis. Area under the curve was used to evaluate the effect of polyol blend composition on thermal stability and kinetics of water absorption and hydrolytic degradation. Least squares were used to calculate the regression coefficients. Models for the properties were significant, and lack of fit was not (p < 0.05). Fit statistics suggest both good fitting and prediction. Water absorption, hydrolytic degradation and contact angle were mediated by the hydrophilic nature of the polyols. Tensile strength, modulus and hardness could be regulated by the PE content and the characteristics of polyols. Regression of DTG curves from thermal analysis showed improvement of thermal stability with the increase of PCL and PE. An ANOVA test of the model terms demonstrated that three component influences on bulk properties like water absorption, hydrolytic degradation, hardness, tensile strength and modulus. The PEG*PCL interaction influences on the contact angle, which is a surface property. Mixture design application allowed for an understanding of the structure-property relationship through mathematic models.
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