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Preparation of Biocomposites with Natural Reinforcements: The Effect of Native Starch and Sugarcane Bagasse Fibers. Molecules 2022; 27:molecules27196423. [PMID: 36234960 PMCID: PMC9571990 DOI: 10.3390/molecules27196423] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 09/15/2022] [Accepted: 09/23/2022] [Indexed: 11/16/2022] Open
Abstract
Biocomposites were prepared from poly(lactic acid) and two natural reinforcements, a native starch and sugarcane bagasse fibers. The strength of interfacial adhesion was estimated by model calculations, and local deformation processes were followed by acoustic emission testing. The results showed that the two additives influence properties differently. The strength of interfacial adhesion and thus the extent of reinforcement are similar because of similarities in chemical structure, the large number of OH groups in both reinforcements. Relatively strong interfacial adhesion develops between the components, which renders coupling inefficient. Dissimilar particle characteristics influence local deformation processes considerably. The smaller particle size of starch results in larger debonding stress and thus larger composite strength. The fracture of the bagasse fibers leads to larger energy consumption and to increased impact resistance. Although the environmental benefit of the prepared biocomposites is similar, the overall performance of the bagasse fiber reinforced PLA composites is better than that offered by the PLA/starch composites.
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2
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Cvek M, Paul UC, Zia J, Mancini G, Sedlarik V, Athanassiou A. Biodegradable Films of PLA/PPC and Curcumin as Packaging Materials and Smart Indicators of Food Spoilage. ACS APPLIED MATERIALS & INTERFACES 2022; 14:14654-14667. [PMID: 35302368 PMCID: PMC8972250 DOI: 10.1021/acsami.2c02181] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Bio-based and biodegradable packaging combined with chemical sensors and indicators has attracted great attention as they can provide protection combined with information on the actual freshness of foodstuffs. In this study, we present an effective, biodegradable, mostly bio-sourced material ideal for sustainable packaging that can also be used as a smart indicator of ammonia (NH3) vapor and food spoilage. The developed material comprises a blend of poly(lactic acid) (PLA) and poly(propylene carbonate) (PPC) loaded with curcumin (CCM), which is fabricated via the scalable techniques of melt extrusion and compression molding. Due to the structural similarity of PLA and PPC, they exhibited good compatibility and formed hydrogen bonds within their blends, as proven by Fourier transform infrared (FTIR) and X-ray diffraction (XRD). Thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) analysis confirmed that the blends were thermally stable at the used processing temperature (180 °C) with minimal crystallinity. The rheological and mechanical properties of the PLA/PPC blends were easily tuned by changing the ratio of the biopolymers. Supplementing the PLA/PCC samples with CCM resulted in efficient absorption of UV radiation, yet the transparency of the films was preserved (T700 ∼ 68-84%). The investigation of CCM extract in ethanol with the DPPH• assay demonstrated that the samples could also provide effective antioxidant action, due to the tunable release of the CCM. Analyses for water vapor and oxygen permeability showed that the PPC improved the barrier properties of the PLA/PPC blends, while the presence of CCM did not hinder barrier performance. The capacity for real-time detection of NH3 vapor was quantified using the CIELab color space analysis. A change in color of the sample from a yellowish shade to red was observed by the naked eye. Finally, a film of PLA/PPC/CCM was successfully applied as a sticker indicator to monitor the spoilage of shrimps over time, demonstrating an evident color change from yellow to light orange, particularly for the PPC-containing blend. The developed system, therefore, has the potential to serve as a cost-effective, easy-to-use, nondestructive, smart indicator for food packaging, as well as a means for NH3 gas monitoring in industrial and environmental applications.
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Affiliation(s)
- Martin Cvek
- Centre
of Polymer Systems, University Institute, Tomas Bata University in Zlin, Trida T. Bati 5678, 760 01 Zlin, Czech Republic
| | - Uttam C. Paul
- Smart
Materials, Istituto Italiano di Tecnologia, Via Morego 30, 161 63 Genoa, Italy
| | - Jasim Zia
- Smart
Materials, Istituto Italiano di Tecnologia, Via Morego 30, 161 63 Genoa, Italy
| | - Giorgio Mancini
- Smart
Materials, Istituto Italiano di Tecnologia, Via Morego 30, 161 63 Genoa, Italy
| | - Vladimir Sedlarik
- Centre
of Polymer Systems, University Institute, Tomas Bata University in Zlin, Trida T. Bati 5678, 760 01 Zlin, Czech Republic
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3
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Li Y, Cheng H, Yu M, Han C, Shi H. Blends of biodegradable poly(ε-caprolactone) and sustainable poly(propylene carbonate) with enhanced mechanical and rheological properties. Colloid Polym Sci 2021. [DOI: 10.1007/s00396-021-04931-5] [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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4
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Song L, Li Y, Meng X, Wang T, Shi Y, Wang Y, Shi S, Liu LZ. Crystallization, Structure and Significantly Improved Mechanical Properties of PLA/PPC Blends Compatibilized with PLA-PPC Copolymers Produced by Reactions Initiated with TBT or TDI. Polymers (Basel) 2021; 13:polym13193245. [PMID: 34641060 PMCID: PMC8512864 DOI: 10.3390/polym13193245] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 09/17/2021] [Accepted: 09/20/2021] [Indexed: 11/16/2022] Open
Abstract
Poly (lactic acid) (PLA)-Poly (propylene carbonate) (PPC) block copolymer compatibilizers are produced in incompatible 70wt%PLA/PPC blend by initiating transesterification with addition of 1% of tetra butyl titanate (TBT) or by chain extension with addition of 2% of 2,4-toluene diisocyanate (TDI). The above blends can have much better mechanical properties than the blend without TBT and TDI. The elongation at break is dramatically larger (114% with 2% of TDI and 60% with 1% of TBT) than the blend without TDI and TBT, with a slightly lower mechanical strength. A small fraction of the copolymer is likely formed in the PLA/PPC blend with addition of TBT, and a significant amount of the copolymer can be made with addition of TDI. The copolymer produced with TDI has PPC as a major content (~70 wt%) and forms a miscible interphase with its own Tg. The crystallinity of the blend with TDI is significantly lower than the blend without TDI, as the PLA blocks of the copolymer in the interphase is hardly to crystallize. The average molecular weight increases significantly with addition of TDI, likely compensating the lower mechanical strength due to lower crystallinity. Material degradation can occur with addition of TBT, but it is very limited with 1% of TBT. However, compared with the blends without TBT, the PLA crystallinity of the blend with 1%TBT increases sharply during the cooling process, which likely compensates the loss of mechanical strength due to the slightly material degradation. The added TDI does not have any significant impact on PLA lamellar packing, but the addition of TBT can make PLA lamellar packing much less ordered, presumably resulted from much smaller PPC domains formed in the blend due to better compatibility.
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Affiliation(s)
- Lixin Song
- Advanced Manufacturing Institute of Polymer Industry, Shenyang University of Chemical Technology, Shenyang 110142, China; (L.S.); (Y.L.); (X.M.); (T.W.); (Y.S.); (Y.W.)
- Shenyang Advanced Coating Material Industry Technology Research Institute Co., Ltd., Shenyang 110326, China;
- College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China
| | - Yongchao Li
- Advanced Manufacturing Institute of Polymer Industry, Shenyang University of Chemical Technology, Shenyang 110142, China; (L.S.); (Y.L.); (X.M.); (T.W.); (Y.S.); (Y.W.)
- College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China
| | - Xiangyu Meng
- Advanced Manufacturing Institute of Polymer Industry, Shenyang University of Chemical Technology, Shenyang 110142, China; (L.S.); (Y.L.); (X.M.); (T.W.); (Y.S.); (Y.W.)
- College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China
| | - Ting Wang
- Advanced Manufacturing Institute of Polymer Industry, Shenyang University of Chemical Technology, Shenyang 110142, China; (L.S.); (Y.L.); (X.M.); (T.W.); (Y.S.); (Y.W.)
- College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China
| | - Ying Shi
- Advanced Manufacturing Institute of Polymer Industry, Shenyang University of Chemical Technology, Shenyang 110142, China; (L.S.); (Y.L.); (X.M.); (T.W.); (Y.S.); (Y.W.)
| | - Yuanxia Wang
- Advanced Manufacturing Institute of Polymer Industry, Shenyang University of Chemical Technology, Shenyang 110142, China; (L.S.); (Y.L.); (X.M.); (T.W.); (Y.S.); (Y.W.)
| | - Shengnan Shi
- Shenyang Advanced Coating Material Industry Technology Research Institute Co., Ltd., Shenyang 110326, China;
| | - Li-Zhi Liu
- Advanced Manufacturing Institute of Polymer Industry, Shenyang University of Chemical Technology, Shenyang 110142, China; (L.S.); (Y.L.); (X.M.); (T.W.); (Y.S.); (Y.W.)
- Correspondence:
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5
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Liao J, Chen Q. Biodegradable plastics in the air and soil environment: Low degradation rate and high microplastics formation. JOURNAL OF HAZARDOUS MATERIALS 2021; 418:126329. [PMID: 34118549 DOI: 10.1016/j.jhazmat.2021.126329] [Citation(s) in RCA: 68] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 06/01/2021] [Accepted: 06/02/2021] [Indexed: 06/12/2023]
Abstract
In recent years, the promotion and use of biodegradable plastics (BPs) are growing into a general trend. Here the degradation performance of different types of BPs was investigated in the natural environment. Their degradation levels followed the order of pure BPs> BP blends> claimed "BP"≈ non-biodegradable plastic after 6-month incubation. Photo- and biodegradation were the main degradation mechanisms of these plastics in the air and soil, respectively. Poly(p-dioxanone) (PPDO) exhibited the highest weight loss potentials in both air (54.7 ± 9.1%) and soil (56.8 ± 4.8%), due to its special ether bond and the rich and diverse microorganisms on its biofilms. The microbiota on PPDO was distinct and enriched with Chloroflexi and Firmicutes that responsible for carbon cycle and organic degradation. The weight loss was only 1.1-8.0% for poly(lactic acid), and 0.8-6.8% for poly(butylene adipate-co-terephthalate), and other plastics are basically non-degradable. Of note, numerous microplastics were formed after PPDO degradation, with 441 ± 326 and 2103 ± 131 item/g plastic in the air and soil, respectively. Taken together, the monitoring of BP biodegradation in the natural environment is of vital importance, and it is risky to promote large-scale application of BPs if the knowledge gap of their environmental behavior has not been well addressed.
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Affiliation(s)
- Jin Liao
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Minhang District, Shanghai 200241, China; Shanghai Polar Moment Science and Technology Education Company, Shanghai 200433, China
| | - Qiqing Chen
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Minhang District, Shanghai 200241, China.
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6
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Li Y, Yao S, Han C, Cheng H. Miscibility, crystallization and mechanical properties of poly[(3‐hydroxybutyrate)‐
co
‐(4‐hydroxyvalerate)]/poly(propylene carbonate)/poly(vinyl acetate) ternary blends. POLYM INT 2021. [DOI: 10.1002/pi.6235] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Yi Li
- School of Materials Science and Engineering Jilin Jianzhu University Changchun China
- Key Laboratory of Polymer Ecomaterials Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun China
| | - Shuangna Yao
- School of Materials Science and Engineering Jilin Jianzhu University Changchun China
| | - Changyu Han
- Key Laboratory of Polymer Ecomaterials Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun China
| | - Hongda Cheng
- School of Materials Science and Engineering Jilin Jianzhu University Changchun China
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7
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Modification of Surface Hydrophobicity of PLA/PE and ABS/PE Polymer Blends by ICP Etching and CF x Coating. MATERIALS 2020; 13:ma13235578. [PMID: 33297468 PMCID: PMC7729899 DOI: 10.3390/ma13235578] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 11/27/2020] [Accepted: 12/02/2020] [Indexed: 11/16/2022]
Abstract
The flow regime inside the channel of 3D printed microreactors is defined by the surface properties of the channel walls. Polylactide (PLA) and acrylonitrile/butadiene/styrene (ABS) are two polymers that are the most common in additive manufacturing using fused filament fabrication, commonly known as “3D printing”. With the aim of developing new materials for the 3D printing of microreactors whose channel surface hydrophobicity could be modified, PLA and ABS were blended with cheaper and widely used polymers-high-density polyethylene (PE-HD) and low-density polyethylene (PE-LD). Polymer blend surfaces were treated with inductively coupled plasma (ICP) and coated by fluorocarbon-based material (CFx) plasma deposition treatment in order to modify surface hydrophobicity. It has been shown that the modification of surface morphology of PLA polymer blends can be achieved by ICP etching and CFx coating, while this was not possible for ABS polymer blends under the conducted treatment conditions. The treated surface of PLA/PE-HD 90/10 showed a contact angle of 121.6° which is 36° higher than the contact angle measured on the untreated surface. Surfaces that have achieved contact angles higher than 120° have an “island like” surface morphology. Samples with higher “islands” showed higher contact angles, that confirmed that the hydrophobicity also depends on the height of the “islands”. Furthermore, it has been found that etching time significantly impacts the contact angle values and surface morphology of the PLA polymer blends, while the CFx coating time does not have significant impact on the surface properties.
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8
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Puthumana M, Santhana Gopala Krishnan P, Nayak SK. Chemical modifications of PLA through copolymerization. INTERNATIONAL JOURNAL OF POLYMER ANALYSIS AND CHARACTERIZATION 2020. [DOI: 10.1080/1023666x.2020.1830650] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Manju Puthumana
- Department of Plastics Technology, Central Institute of Plastics Engineering and Technology, Institute of Plastics Technology, Chennai, India
| | - P. Santhana Gopala Krishnan
- Department of Plastics Technology, Central Institute of Plastics Engineering and Technology, Institute of Plastics Technology, Chennai, India
| | - Sanjay Kumar Nayak
- Department of Plastics Technology, Central Institute of Plastics Engineering and Technology, Institute of Plastics Technology, Chennai, India
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9
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Quilez-Molina AI, Marini L, Athanassiou A, Bayer IS. UV-Blocking, Transparent, and Antioxidant Polycyanoacrylate Films. Polymers (Basel) 2020; 12:E2011. [PMID: 32899256 PMCID: PMC7564323 DOI: 10.3390/polym12092011] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 08/28/2020] [Accepted: 08/30/2020] [Indexed: 01/30/2023] Open
Abstract
Applications of cyanoacrylate monomers are generally limited to adhesives/glues (instant or superglues) and forensic sciences. They tend to polymerize rapidly into rigid structures when exposed to trace amounts of moisture. Transforming cyanoacrylate monomers into transparent polymeric films or coatings can open up several new applications, as they are biocompatible, biodegradable and have surgical uses. Like other acrylics, cyanoacrylate polymers are glassy and rigid. To circumvent this, we prepared transparent cyanoacrylate films by solvent casting from a readily biodegrade solvent, cyclopentanone. To improve the ductility of the films, poly(propylene carbonate) (PPC) biopolymer was used as an additive (maximum 5 wt.%) while maintaining transparency. Additionally, ductile films were functionalized with caffeic acid (maximum 2 wt.%), with no loss of transparency while establishing highly effective double functionality, i.e., antioxidant effect and effective UV-absorbing capability. Less than 25 mg antioxidant caffeic acid release per gram film was achieved within a 24-h period, conforming to food safety regulations. Within 2 h, films achieved 100% radical inhibition levels. Films displayed zero UVC (100-280 nm) and UVB (280-315 nm), and ~15% UVA (315-400 nm) radiation transmittance comparable to advanced sunscreen materials containing ZnO nanoparticles or quantum dots. Transparent films also exhibited promising water vapor and oxygen barrier properties, outperforming low-density polyethylene (LPDE) films. Several potential applications can be envisioned such as films for fatty food preservation, biofilms for sun screening, and biomedical films for free-radical inhibition.
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Affiliation(s)
- Ana Isabel Quilez-Molina
- Smart Materials, Istituto Italiano di Tecnologia, 16163 Genova, Italy; (L.M.); (A.A.)
- Dipartimento di Informatica, Bioingenieria, Robotica e Ingenieria dei Sistemi (DIBRIS), Università di Genova, Via Opera Pia 13, 16145 Genova, Italy
| | - Lara Marini
- Smart Materials, Istituto Italiano di Tecnologia, 16163 Genova, Italy; (L.M.); (A.A.)
| | | | - Ilker S. Bayer
- Smart Materials, Istituto Italiano di Tecnologia, 16163 Genova, Italy; (L.M.); (A.A.)
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10
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Haneef INHM, Buys YF, Shaffiar NM, Haris NA, Hamid AMA, Shaharuddin SIS. Mechanical, morphological, thermal properties and hydrolytic degradation behavior of polylactic acid/polypropylene carbonate blends prepared by solvent casting. POLYM ENG SCI 2020. [DOI: 10.1002/pen.25519] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Intan Najwa Humaira Mohamed Haneef
- Department of Manufacturing and Materials, Kulliyyah of Engineering International Islamic University Malaysia (IIUM) Gombak Selangor Malaysia
| | - Yose Fachmi Buys
- Department of Mechanical Engineering University of Malaya Kuala Lumpur Malaysia
| | - Norhashimah Mohd Shaffiar
- Department of Manufacturing and Materials, Kulliyyah of Engineering International Islamic University Malaysia (IIUM) Gombak Selangor Malaysia
| | - Nurul Assadiqah Haris
- Department of Manufacturing and Materials, Kulliyyah of Engineering International Islamic University Malaysia (IIUM) Gombak Selangor Malaysia
| | - Abdul Malek Abdul Hamid
- Department of Manufacturing and Materials, Kulliyyah of Engineering International Islamic University Malaysia (IIUM) Gombak Selangor Malaysia
| | - Sharifah Imihezri Syed Shaharuddin
- Department of Manufacturing and Materials, Kulliyyah of Engineering International Islamic University Malaysia (IIUM) Gombak Selangor Malaysia
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11
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Rheological, thermal and mechanical properties of biodegradable poly(lactic acid)/poly(butylene adipate-co-terephthalate)/poly(propylene carbonate) polyurethane trinary blown films. Polym Bull (Berl) 2020. [DOI: 10.1007/s00289-019-02942-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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12
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Sustainable Blends of Poly(propylene carbonate) and Stereocomplex Polylactide with Enhanced Rheological Properties and Heat Resistance. CHINESE JOURNAL OF POLYMER SCIENCE 2020. [DOI: 10.1007/s10118-020-2408-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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13
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Effect of temperature on the thermal property and crystallization behavior of poly (lactic acid) porous membrane prepared via phase separation induced by water microdroplets. Int J Biol Macromol 2020; 147:1185-1192. [DOI: 10.1016/j.ijbiomac.2019.10.088] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2019] [Revised: 10/08/2019] [Accepted: 10/08/2019] [Indexed: 01/03/2023]
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14
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Samthong C, Kunanusont N, Deetuam C, Wongkhan T, Supannasud T, Somwangthanaroj A. Effect of acrylonitrile content of acrylonitrile butadiene rubber on mechanical and thermal properties of dynamically vulcanized poly(lactic acid) blends. POLYM INT 2019. [DOI: 10.1002/pi.5912] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Chavakorn Samthong
- Department of Chemical Engineering, Faculty of EngineeringChulalongkorn University Bangkok Thailand
| | - Nappaphan Kunanusont
- Department of Chemical Engineering, Faculty of EngineeringChulalongkorn University Bangkok Thailand
| | - Chutimar Deetuam
- Department of Chemical Engineering, Faculty of EngineeringChulalongkorn University Bangkok Thailand
| | - Tanchanok Wongkhan
- Department of Chemical Engineering, Faculty of EngineeringChulalongkorn University Bangkok Thailand
| | - Thanapat Supannasud
- Department of Chemical Engineering, Faculty of EngineeringChulalongkorn University Bangkok Thailand
| | - Anongnat Somwangthanaroj
- Department of Chemical Engineering, Faculty of EngineeringChulalongkorn University Bangkok Thailand
- Special Task Force of Activating Research (STAR) in Novel Technology for Food Packaging and Control of Shelf LifeChulalongkorn University Bangkok Thailand
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15
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Xia M, Shi K, Zhou M, Shen Y, Wang T. Effects of chain extender and uniaxial stretching on the properties of PLA/PPC/mica composites. POLYM ADVAN TECHNOL 2019. [DOI: 10.1002/pat.4691] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Menglu Xia
- College of Materials Science and EngineeringNanjing Tech University Nanjing China
| | - Kunxiang Shi
- College of Materials Science and EngineeringNanjing Tech University Nanjing China
| | - Mingzhu Zhou
- Suqian Advanced Materials Institute of NanjingTech University Suqian China
| | - Yucai Shen
- College of Materials Science and EngineeringNanjing Tech University Nanjing China
- Suqian Advanced Materials Institute of NanjingTech University Suqian China
| | - Tingwei Wang
- College of Materials Science and EngineeringNanjing Tech University Nanjing China
- Suqian Advanced Materials Institute of NanjingTech University Suqian China
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16
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Enhanced osteogenic proliferation and differentiation of human adipose-derived stem cells on a porous n-HA/PGS-M composite scaffold. Sci Rep 2019; 9:7960. [PMID: 31138861 PMCID: PMC6538636 DOI: 10.1038/s41598-019-44478-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 05/16/2019] [Indexed: 01/08/2023] Open
Abstract
This study explored the applicability, cellular efficacy, and osteogenic activities of porous nano-hydroxyapatite/Poly (glycerol sebacate)-grafted maleic anhydride (n-HA/PGS-g-M) composite scaffolds. Nuclear magnetic resonance (NMR) analyses indicated that approximately 43% of the hydroxide radicals in PGS were displaced by maleic anhydride. Resonance bands at 1036 cm-1 occurred in scaffolds containing nHA powders, and peak areas increased when n-HA weight increased in PGS-M-n-HA-0.4, PGS-M-n-HA-0.5, and PGS-M-n-HA-0.6 scaffolds. The n-HA/PGS-g-M composite scaffolds exhibited porous microstructure with average pore size of 150-300 µm in scanning electron microscopy (SEM) analysis. Differential scanning calorimetry (DSC) identified the glass transition temperature (Tg) as -25-30 °C, indicative of quality resilience. The modulus of compressibility increased when n-HA content increased. Interestingly, viability of human adipose-derived stem cells (hADSCs) in vitro and expression of the osteogenic related genes RUNX2, OCN, and COL1A1 was enhanced in the n-HA/PGS-g-M composite scaffolds compared to those factors observed in PGS-g-M scaffolds. Finally, simulated body fluid (SBF) tests indicated more apatite deposits on the surface of n-HA/PGS-g-M scaffolds compared to PGS-g-M scaffolds. Overall, porous n-HA/PGS-g-M composite scaffolds possessed acceptable biocompatibility and mechanical properties, and they stimulated hADSC cell proliferation and differentiation. Given these qualities, the composite scaffolds have potential applications in bone tissue engineering.
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17
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Lovinčić Milovanović V, Hajdinjak I, Lovriša I, Vrsaljko D. The influence of the dispersed phase on the morphology, mechanical and thermal properties of PLA/PE‐LD and PLA/PE‐HD polymer blends and their nanocomposites with TiO
2
and CaCO
3. POLYM ENG SCI 2019. [DOI: 10.1002/pen.25124] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | - Ivana Hajdinjak
- Faculty of Chemical Engineering and TechnologyUniversity of Zagreb Zagreb Croatia
| | - Ivona Lovriša
- Faculty of Chemical Engineering and TechnologyUniversity of Zagreb Zagreb Croatia
| | - Domagoj Vrsaljko
- Faculty of Chemical Engineering and TechnologyUniversity of Zagreb Zagreb Croatia
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18
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Preparation of chlorinated poly(propylene carbonate) and its effects on the mechanical properties of poly(propylene carbonate)/starch blends as a compatibilizer. Polym Bull (Berl) 2019. [DOI: 10.1007/s00289-019-02762-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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19
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Calderón BA, Soule J, Sobkowicz MJ. Synthesis and characterization of compatibilizers for blends of polypropylene carbonate and polybutylene succinate via free‐radical grafting of maleic anhydride. J Appl Polym Sci 2019. [DOI: 10.1002/app.47553] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Bárbara A. Calderón
- Department of Plastics Engineering University of Massachusetts Lowell, One University Avenue Lowell Massachusetts 01854
| | - James Soule
- Department of Plastics Engineering University of Massachusetts Lowell, One University Avenue Lowell Massachusetts 01854
| | - Margaret J. Sobkowicz
- Department of Plastics Engineering University of Massachusetts Lowell, One University Avenue Lowell Massachusetts 01854
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20
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Poly (lactic acid) blends: Processing, properties and applications. Int J Biol Macromol 2018; 125:307-360. [PMID: 30528997 DOI: 10.1016/j.ijbiomac.2018.12.002] [Citation(s) in RCA: 285] [Impact Index Per Article: 47.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 11/29/2018] [Accepted: 12/01/2018] [Indexed: 11/21/2022]
Abstract
Poly (lactic acid) or polylactide (PLA) is a commercial biobased, biodegradable, biocompatible, compostable and non-toxic polymer that has competitive material and processing costs and desirable mechanical properties. Thereby, it can be considered favorably for biomedical applications and as the most promising substitute for petroleum-based polymers in a wide range of commodity and engineering applications. However, PLA has some significant shortcomings such as low melt strength, slow crystallization rate, poor processability, high brittleness, low toughness, and low service temperature, which limit its applications. To overcome these limitations, blending PLA with other polymers is an inexpensive approach that could also tailor the final properties of PLA-based products. During the last two decades, researchers investigated the synthesis, processing, properties, and development of various PLA-based blend systems including miscible blends of poly l-lactide (PLLA) and poly d-lactide (PDLA), which generate stereocomplex crystals, binary immiscible/miscible blends of PLA with other thermoplastics, multifunctional ternary blends using a third polymer or fillers such as nanoparticles, as well as PLA-based blend foam systems. This article reviews all these investigations and compares the syntheses/processing-morphology-properties interrelationships in PLA-based blends developed so far for various applications.
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Calderón BA, McCaughey MS, Thompson CW, Sobkowicz MJ. Blends of Renewable Poly(butylene succinate) and Poly(propylene carbonate) Compatibilized with Maleic Anhydride Using Quad Screw Reactive Extrusion. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b04757] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Bárbara A. Calderón
- Department of Plastics Engineering, University of Massachusetts Lowell, 1 University Avenue Lowell, Massachusetts 01854, United States
| | - Matthew S. McCaughey
- Department of Plastics Engineering, University of Massachusetts Lowell, 1 University Avenue Lowell, Massachusetts 01854, United States
| | - Conor W. Thompson
- Department of Plastics Engineering, University of Massachusetts Lowell, 1 University Avenue Lowell, Massachusetts 01854, United States
| | - Margaret J. Sobkowicz
- Department of Plastics Engineering, University of Massachusetts Lowell, 1 University Avenue Lowell, Massachusetts 01854, United States
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23
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Fabrication of (PPC/NCC)/PVA composites with inner-outer double constrained structure and improved glass transition temperature. Carbohydr Polym 2018; 191:35-43. [DOI: 10.1016/j.carbpol.2018.02.070] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2017] [Revised: 01/22/2018] [Accepted: 02/22/2018] [Indexed: 11/18/2022]
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24
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Muthuraj R, Mekonnen T. Recent progress in carbon dioxide (CO2) as feedstock for sustainable materials development: Co-polymers and polymer blends. POLYMER 2018. [DOI: 10.1016/j.polymer.2018.04.078] [Citation(s) in RCA: 115] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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25
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Zhou Y, Wang J, Cai SY, Wang ZG, Zhang NW, Ren J. Effect of POE-g-GMA on mechanical, rheological and thermal properties of poly(lactic acid)/poly(propylene carbonate) blends. Polym Bull (Berl) 2018. [DOI: 10.1007/s00289-018-2339-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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26
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Wang Y, Wei Z, Li Y. Toughening polylactide with epoxidized styrene-butadiene impact resin: Mechanical, morphological, and rheological characterization. J Appl Polym Sci 2018. [DOI: 10.1002/app.46058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yanshai Wang
- State Key Laboratory of Fine Chemicals, Key Laboratory of Polymer Science and Engineering of Liaoning Province, Liaoning Engineering Laboratory of Advanced Polymer Materials, Department of Polymer Science and Engineering, Faculty of Chemical, Environmental and Biological Science and Technology; Dalian University of Technology; Dalian 116024 China
| | - Zhiyong Wei
- State Key Laboratory of Fine Chemicals, Key Laboratory of Polymer Science and Engineering of Liaoning Province, Liaoning Engineering Laboratory of Advanced Polymer Materials, Department of Polymer Science and Engineering, Faculty of Chemical, Environmental and Biological Science and Technology; Dalian University of Technology; Dalian 116024 China
| | - Yang Li
- State Key Laboratory of Fine Chemicals, Key Laboratory of Polymer Science and Engineering of Liaoning Province, Liaoning Engineering Laboratory of Advanced Polymer Materials, Department of Polymer Science and Engineering, Faculty of Chemical, Environmental and Biological Science and Technology; Dalian University of Technology; Dalian 116024 China
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28
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Fully Biodegradable Poly(lactic acid)/Poly(propylene carbonate) Shape Memory Materials with Low Recovery Temperature Based on in situ Compatibilization by Dicumyl Peroxide. CHINESE JOURNAL OF POLYMER SCIENCE 2018. [DOI: 10.1007/s10118-018-2065-3] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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29
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Preparation and characterization of poly(ethylene carbonate)/poly(lactic acid) blends. JOURNAL OF POLYMER RESEARCH 2018. [DOI: 10.1007/s10965-018-1451-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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30
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Bedő D, Imre B, Domján A, Schön P, Vancso GJ, Pukánszky B. Coupling of poly(lactic acid) with a polyurethane elastomer by reactive processing. Eur Polym J 2017. [DOI: 10.1016/j.eurpolymj.2017.10.031] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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31
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Wang Z, Lai X, Zhang M, Yang W, Yang M. Synthesis of an Efficient Processing Modifier Silica-g-poly(lactic acid)/poly(propylene carbonate) and Its Behavior for Poly(lactic acid)/Poly(propylene carbonate) Blends. Ind Eng Chem Res 2017. [DOI: 10.1021/acs.iecr.7b03444] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Zhao Wang
- College
of Polymer Science and Engineering, Sichuan University, Chengdu 610065, Sichuan, People’s Republic of China
| | - Xiangling Lai
- College
of Polymer Science and Engineering, Sichuan University, Chengdu 610065, Sichuan, People’s Republic of China
| | - Min Zhang
- College
of Polymer Science and Engineering, Sichuan University, Chengdu 610065, Sichuan, People’s Republic of China
| | - Wei Yang
- College
of Polymer Science and Engineering, Sichuan University, Chengdu 610065, Sichuan, People’s Republic of China
- State
Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, Sichuan, People’s Republic of China
| | - Mingbo Yang
- College
of Polymer Science and Engineering, Sichuan University, Chengdu 610065, Sichuan, People’s Republic of China
- State
Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, Sichuan, People’s Republic of China
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32
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Wang Z, Zhang M, Liu Z, Zhang S, Cao Z, Yang W, Yang M. Compatibilization of the poly(lactic acid)/poly(propylene carbonate) blends through in situ
formation of poly(lactic acid)-b
-poly(propylene carbonate) copolymer. J Appl Polym Sci 2017. [DOI: 10.1002/app.46009] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Zhao Wang
- College of Polymer Science and Engineering; Sichuan University; Chengdu Sichuan 610065 People's Republic of China
| | - Min Zhang
- College of Polymer Science and Engineering; Sichuan University; Chengdu Sichuan 610065 People's Republic of China
| | - Zhengying Liu
- College of Polymer Science and Engineering; Sichuan University; Chengdu Sichuan 610065 People's Republic of China
| | - Shuyang Zhang
- College of Polymer Science and Engineering; Sichuan University; Chengdu Sichuan 610065 People's Republic of China
| | - Zhiqiang Cao
- College of Polymer Science and Engineering; Sichuan University; Chengdu Sichuan 610065 People's Republic of China
| | - Wei Yang
- College of Polymer Science and Engineering; Sichuan University; Chengdu Sichuan 610065 People's Republic of China
- State Key Laboratory of Polymer Materials Engineering; Sichuan University; Chengdu Sichuan 610065 People's Republic of China
| | - Mingbo Yang
- College of Polymer Science and Engineering; Sichuan University; Chengdu Sichuan 610065 People's Republic of China
- State Key Laboratory of Polymer Materials Engineering; Sichuan University; Chengdu Sichuan 610065 People's Republic of China
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33
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An in vivo evaluation of a novel malleable composite scaffold (polypropylene carbonate/ poly(D-lactic acid) /tricalcium phosphate elastic composites) for bone defect repair. J Taiwan Inst Chem Eng 2017. [DOI: 10.1016/j.jtice.2017.06.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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34
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Muthuraj R, Misra M, Mohanty AK. Biodegradable compatibilized polymer blends for packaging applications: A literature review. J Appl Polym Sci 2017. [DOI: 10.1002/app.45726] [Citation(s) in RCA: 155] [Impact Index Per Article: 22.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Rajendran Muthuraj
- Institut de Recherche Dupuy de Lome (IRDL)‐CNRS FRE 3744University of South BrittanyLorient56100 France
| | - Manjusri Misra
- School of EngineeringUniversity of GuelphGuelph Ontario Canada
- Bioproducts Discovery and Development Centre (BDDC), Crop Science Building, Department of Plant AgricultureUniversity of GuelphGuelph Ontario Canada
| | - Amar Kumar Mohanty
- School of EngineeringUniversity of GuelphGuelph Ontario Canada
- Bioproducts Discovery and Development Centre (BDDC), Crop Science Building, Department of Plant AgricultureUniversity of GuelphGuelph Ontario Canada
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35
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Preparation of chlorinated poly(propylene carbonate) and its distinguished properties. CHINESE JOURNAL OF POLYMER SCIENCE 2017. [DOI: 10.1007/s10118-017-1964-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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36
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Increase the elongation at break of poly (lactic acid) composites for use in food packaging films. Sci Rep 2017; 7:46767. [PMID: 28466854 PMCID: PMC5413939 DOI: 10.1038/srep46767] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Accepted: 03/27/2017] [Indexed: 11/09/2022] Open
Abstract
Poly (3-hydroxy butyrate) (PHB), cellulose nano crystal (CNC) and a plasticizer (TBC) are mixed together with PLLA with the aim to increase the elongation at break for use in the food packing sector. Spherical (CNC) and fibril nano crystal (CNF) were prepared by hydrolysis of microcrystalline cellulose (MCC) in distilled water, and then stirred using a magnetic stirrer for 15 days and ultrasonic treatment without using any acids as green method. The morphology, thermal, and mechanical properties were studied using POM, DSC, WAXD, SEM and tensile testing, respectively. DSC demonstrated that the addition of PHB, CNC and TBC to PLLA matrix lead to reduce Tg, TCC and Tm than pure PLLA. FT-IR verified that the carbonyl group C=O appeared broad and some peaks in the PLLA composites 5, 6 and 7 shifted from 3.98 × 108 to 4.07 × 108 Hz, at 3.54 × 108 to 3.44 × 108 Hz, at 3.19 × 108 to 3.13 × 108 Hz. Mechanical testing shows that pure PLLA is brittle, and the elongation at break of PLLA composites reaches up to 205%, making it suitable to use in food packaging.
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37
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The excellent gas barrier properties and unique mechanical properties of poly(propylene carbonate)/organo-montmorillonite nanocomposites. Polym Bull (Berl) 2017. [DOI: 10.1007/s00289-017-2002-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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38
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Li R, Wu L, Li BG. Poly(l-lactide) Materials with Balanced Mechanical Properties Prepared by Blending with PEG-mb-PPA Multiblock Copolymers. Ind Eng Chem Res 2017. [DOI: 10.1021/acs.iecr.6b05046] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ruoyun Li
- State Key Laboratory of Chemical Engineering at ZJU, College of Chemical & Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Linbo Wu
- State Key Laboratory of Chemical Engineering at ZJU, College of Chemical & Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Bo-Geng Li
- State Key Laboratory of Chemical Engineering at ZJU, College of Chemical & Biological Engineering, Zhejiang University, Hangzhou 310027, China
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39
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Enriquez E, Mohanty AK, Misra M. Biobased blends of poly(propylene carbonate) and poly(hydroxybutyrate‐co‐hydroxyvalerate): Fabrication and characterization. J Appl Polym Sci 2016. [DOI: 10.1002/app.44420] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Eugene Enriquez
- School of Engineering, Thornbrough BuildingUniversity of Guelph50 Stone Road EastGuelph OntarioN1G 2W1 Canada
- Bioproducts Discovery and Development Centre (BDDC), Department of Plant Agriculture, Crop Science BuildingUniversity of Guelph50 Stone Road EastGuelph OntarioN1G 2W1 Canada
| | - Amar K. Mohanty
- School of Engineering, Thornbrough BuildingUniversity of Guelph50 Stone Road EastGuelph OntarioN1G 2W1 Canada
- Bioproducts Discovery and Development Centre (BDDC), Department of Plant Agriculture, Crop Science BuildingUniversity of Guelph50 Stone Road EastGuelph OntarioN1G 2W1 Canada
| | - Manjusri Misra
- School of Engineering, Thornbrough BuildingUniversity of Guelph50 Stone Road EastGuelph OntarioN1G 2W1 Canada
- Bioproducts Discovery and Development Centre (BDDC), Department of Plant Agriculture, Crop Science BuildingUniversity of Guelph50 Stone Road EastGuelph OntarioN1G 2W1 Canada
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40
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Preparation and characterization of poly(lactic acid)/recycled polypropylene blends with and without the coupling agent, n-(6-aminohexyl)aminomethyltriethoxysilane. JOURNAL OF POLYMER RESEARCH 2016. [DOI: 10.1007/s10965-016-1091-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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41
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Kim JM, Jang MG, Park DH, Kim WN. Effects of compatibilizer on the morphological, mechanical, and rheological properties of poly(methyl methacrylate)/poly(N-methyl methacrylimide) blends. J Appl Polym Sci 2016. [DOI: 10.1002/app.43856] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Ji Mun Kim
- Department of Chemical and Biological Engineering; Korea University; Anam-dong Seoul 136-713 South Korea
| | - Myung Geun Jang
- Department of Chemical and Biological Engineering; Korea University; Anam-dong Seoul 136-713 South Korea
| | - Dong Hyup Park
- Polymer Materials Team, Convergence Technology Division, Korea Conformity Laboratory; 199 Gasan Digital 1-ro Geumcheon-gu Seoul 153-803 South Korea
| | - Woo Nyon Kim
- Department of Chemical and Biological Engineering; Korea University; Anam-dong Seoul 136-713 South Korea
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42
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Zhou L, Zhao G, Jiang W. Effects of Catalytic Transesterification and Composition on the Toughness of Poly(lactic acid)/Poly(propylene carbonate) Blends. Ind Eng Chem Res 2016. [DOI: 10.1021/acs.iecr.6b00315] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Linyao Zhou
- State
Key Laboratory of Polymer Physics and Chemistry, Changchun Institute
of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Guiyan Zhao
- State
Key Laboratory of Polymer Physics and Chemistry, Changchun Institute
of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, People’s Republic of China
| | - Wei Jiang
- State
Key Laboratory of Polymer Physics and Chemistry, Changchun Institute
of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, People’s Republic of China
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43
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Zhao Y, Chen G, Xiao M, Wang S, Meng Y. Biodegradable PPC/(PVA-TPU) ternary blend blown films with enhanced mechanical properties. JOURNAL OF POLYMER RESEARCH 2016. [DOI: 10.1007/s10965-016-0970-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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44
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Sangeetha V, Varghese T, Nayak S. Toughening of polylactic acid using styrene ethylene butylene styrene: Mechanical, thermal, and morphological studies. POLYM ENG SCI 2016. [DOI: 10.1002/pen.24293] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- V.H. Sangeetha
- Centre for Biopolymer Science and Technology; Eloor, Udyogamandal, Kochi 683501 Kerala India
| | - T.O. Varghese
- Centre for Biopolymer Science and Technology; Eloor, Udyogamandal, Kochi 683501 Kerala India
| | - S.K. Nayak
- Central Institute of Plastics Engineering and Technology (CIPET); T.V.K. Industrial Estate; Guindy Chennai 600032 Tamil Nadu India
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Hwang SW, Park DH, Kang DH, Lee SB, Shim JK. Reactive compatibilization of poly(l-lactic acid)/poly(propylene carbonate) blends: Thermal, thermomechanical, and morphological properties. J Appl Polym Sci 2016. [DOI: 10.1002/app.43388] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Sung Wook Hwang
- Korea Packaging Center, Korea Institute of Industrial Technology; Bucheon South Korea
| | | | - Dong Ho Kang
- Korea Packaging Center, Korea Institute of Industrial Technology; Bucheon South Korea
| | - Sang Bong Lee
- Korea Packaging Center, Korea Institute of Industrial Technology; Bucheon South Korea
| | - Jin Kie Shim
- Korea Packaging Center, Korea Institute of Industrial Technology; Bucheon South Korea
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Spoljaric S, Seppälä J. One-pot, mouldable, thermoplastic resins from poly(propylene carbonate) and poly(caprolactone triol). RSC Adv 2016. [DOI: 10.1039/c6ra07191k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Co-polymers of poly(propylene carbonate) (PPC) and poly(caprolactone triol) (PCLT) were synthesised via a simple yet effective one-pot, two-step method, without the need for a catalyst or solvent.
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Affiliation(s)
- S. Spoljaric
- Polymer Technology Research Group
- Department of Biotechnology and Chemical Technology
- School of Chemical Technology
- Aalto University
- Aalto
| | - J. Seppälä
- Polymer Technology Research Group
- Department of Biotechnology and Chemical Technology
- School of Chemical Technology
- Aalto University
- Aalto
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Hao YP, Yang HL, Zhang GB, Zhang HL, Gao G, Dong LS. Rheological, thermal and mechanical properties of biodegradable poly(propylene carbonate)/polylactide/Poly(1,2-propylene glycol adipate) blown films. CHINESE JOURNAL OF POLYMER SCIENCE 2015. [DOI: 10.1007/s10118-015-1714-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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48
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Xia G, Reddy KO, Maheswari CU, Jayaramudu J, Zhang J, Zhang J, Rajulu AV. Preparation and Properties of Biodegradable Spent Tea Leaf Powder/Poly(Propylene Carbonate) Composite Films. INTERNATIONAL JOURNAL OF POLYMER ANALYSIS AND CHARACTERIZATION 2015. [DOI: 10.1080/1023666x.2015.1019257] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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49
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Wu D, Li W, Hao Y, Li Z, Yang H, Zhang H, Zhang H, Dong L. Mechanical properties, miscibility, thermal stability, and rheology of poly(propylene carbonate) and poly(ethylene-co-vinyl acetate) blends. Polym Bull (Berl) 2015. [DOI: 10.1007/s00289-015-1310-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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50
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Thermal, mechanical and rheological properties of biodegradable poly(propylene carbonate) and poly(butylene carbonate) blends. CHINESE JOURNAL OF POLYMER SCIENCE 2015. [DOI: 10.1007/s10118-015-1597-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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