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Weal S, Shah S, Parker K, Vaidya A. Incorporation of canola meal as a sustainable natural filler in PLA foams. BIORESOUR BIOPROCESS 2024; 11:57. [PMID: 38836876 PMCID: PMC11153467 DOI: 10.1186/s40643-024-00773-5] [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: 04/03/2024] [Accepted: 05/21/2024] [Indexed: 06/06/2024] Open
Abstract
The canola oil industry generates significant waste as canola meal (CM) which has limited scope and applications. This study demonstrates the possibility of valorization of CM as a sustainable natural filler in a biodegradable polymer composite of Poly(lactic acid) (PLA). Generally, interfacial bonding between natural fibers and the polymer matrix in the composite is weak and non-uniform. One possible solution is to derivatize natural fibre to introduce interfacial bond strength and compatibility with the PLA polymer matrix. Here, CM was succinylated in a reactive extrusion process using succinic anhydride at 30 wt% to get 14% derivatization with 0.02 g of -COOH density per g of CM. The CM or succinylated CM at 5 and 15 wt% was co-extruded with amorphous PLA to get composite fibers. CM-PLA and succinylated CM-PLA biocomposites were foamed using a mild and green microcellular foaming process, with CO2 as an impregnating agent without any addition of organic solvents. The properties of the foams were analyzed using differential scanning calorimetry (DSC), Dynamic mechanical thermal analysis (DMTA), shrinkage, and imaging. The addition of CM or succinylated CM as a natural filler did not significantly change the glass transition temperature, melting point, percent crystallization, stiffness, and thermal stability of PLA foams. This suggests succinylation (modification) of CM is not a mandatory step for improving interphase compatibility with the amorphous PLA. The new PLA-CM foams can be a good alternative in the packaging industry replacing the existing petroleum-based polymer foams.
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Affiliation(s)
- Stephanie Weal
- Scion, Te Papa Tipu Innovation Park, 49 Sala Street, Rotorua, 3010, New Zealand
| | - Samir Shah
- Scion, Te Papa Tipu Innovation Park, 49 Sala Street, Rotorua, 3010, New Zealand
- , 35-45 Bend Road, Keysborough, VIC, 3010, Australia
| | - Kate Parker
- Scion, Te Papa Tipu Innovation Park, 49 Sala Street, Rotorua, 3010, New Zealand
| | - Alankar Vaidya
- Scion, Te Papa Tipu Innovation Park, 49 Sala Street, Rotorua, 3010, New Zealand.
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2
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Su Y, Wei Y, He Y, Chen G. Cellulose fiber-based and engineered capillary foam toward a sustainable, recyclable, and high-performance cushioning structural material. Int J Biol Macromol 2024; 267:131422. [PMID: 38614187 DOI: 10.1016/j.ijbiomac.2024.131422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Revised: 03/23/2024] [Accepted: 04/04/2024] [Indexed: 04/15/2024]
Abstract
Foam materials have been widely used in cushioning packaging to ensure the integrity of products inside by absorbing energy and preventing collision. However, the extensive use of petroleum-based plastic foams may exacerbate environmental pollution and consume large amounts of energy. Therefore, there has been an increasing focus on producing high-performance and environmentally friendly foams in recent years. In this study, we developed a simple approach for manufacturing cellulose fiber-based capillary foams featuring superior stability and three-dimensional (3D) backbone network cross-linking structure composed of polyvinyl alcohol (PVA) and cationic starch (CS). The resultant capillary foam showed low density (0.154 g/cm3), superior mechanical properties (elastic modulus ranging from 77 to 501 kPa), high energy absorbing efficiency (32.8 %), and low cushioning coefficient (3.0). Besides, the end-of-life cellulose fiber-based capillary foam can be easily recycled for use, showing an attractive closed-loop cycle process. This study presents a unique option for creating affordable, eco-friendly, and malleable foams, demonstrating the potential to substitute the currently used petroleum-based foams in the packaging, food, and transport industries.
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Affiliation(s)
- Ying Su
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
| | - Yuan Wei
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China.
| | - Yingying He
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
| | - Gang Chen
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China; Guangdong Engineering Technology Research and Development Center of Specialty Paper and Paper-Based Functional Materials, South China University of Technology, Guangzhou 510640, China.
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3
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Park DI, Dong Y, Wang S, Lee SJ, Choi HJ. Rheological Characteristics of Starch-Based Biodegradable Blends. Polymers (Basel) 2023; 15:polym15081953. [PMID: 37112100 PMCID: PMC10146951 DOI: 10.3390/polym15081953] [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: 02/28/2023] [Revised: 04/17/2023] [Accepted: 04/17/2023] [Indexed: 04/29/2023] Open
Abstract
Thermoplastic starch was blended with commercially available biodegradable polyesters of poly(butylene adipate-co-terephthalate) (PBAT) and poly(lactic acid) (PLA) for its improved performance and processability. The morphology and elemental composition of these biodegradable polymer blends were observed by scanning electron microscopy and energy dispersive X-ray spectroscopy, respectively, while their thermal properties were analyzed using thermogravimetric analysis and differential thermal calorimetry. For rheological analysis, the steady shear and dynamic oscillation tests of three samples at various temperatures were investigated using a rotational rheometer. All three samples exhibited significant shear thinning at all measured temperatures, and their shear viscosity behavior was plotted using the Carreau model. The frequency sweep tests showed that the thermoplastic starch sample exhibited a solid state at all temperatures tested, whereas both starch/PBAT and starch/PBAT/PLA blend samples exhibited viscoelastic liquid behavior after the melting temperature such that their loss modulus at low frequencies was greater than the storage modulus, and inversion occurred at high frequencies (storage modulus > loss modulus).
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Affiliation(s)
| | - Yuzhen Dong
- School of Materials Science and Engineering, Harbin Institute of Technology at Weihai, Weihai 264209, China
| | - Shizhao Wang
- Department of Polymer Science and Engineering, Inha University, Incheon 22212, Republic of Korea
| | | | - Hyoung Jin Choi
- Department of Polymer Science and Engineering, Inha University, Incheon 22212, Republic of Korea
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Das A, Ringu T, Ghosh S, Pramanik N. A comprehensive review on recent advances in preparation, physicochemical characterization, and bioengineering applications of biopolymers. Polym Bull (Berl) 2022; 80:7247-7312. [PMID: 36043186 PMCID: PMC9409625 DOI: 10.1007/s00289-022-04443-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 07/20/2022] [Accepted: 08/15/2022] [Indexed: 12/01/2022]
Abstract
Biopolymers are mainly the polymers which are created or obtained from living creatures such as plants and bacteria rather than petroleum, which has traditionally been the source of polymers. Biopolymers are chain-like molecules composed of repeated chemical blocks derived from renewable resources that may decay in the environment. The usage of biomaterials is becoming more popular as a means of reducing the use of non-renewable resources and reducing environmental pollution produced by synthetic materials. Biopolymers' biodegradability and non-toxic nature help to maintain our environment clean and safe. This study discusses how to improve the mechanical and physical characteristics of biopolymers, particularly in the realm of bioengineering. The paper begins with a fundamental introduction and progresses to a detailed examination of synthesis and a unique investigation of several recent focused biopolymers with mechanical, physical, and biological characterization. Biopolymers' unique non-toxicity, biodegradability, biocompatibility, and eco-friendly features are boosting their applications, especially in bioengineering fields, including agriculture, pharmaceuticals, biomedical, ecological, industrial, aqua treatment, and food packaging, among others, at the end of this paper. The purpose of this paper is to provide an overview of the relevance of biopolymers in smart and novel bioengineering applications. Graphical abstract The Graphical abstract represents the biological sources and applications of biopolymers. Plants, bacteria, animals, agriculture wastes, and fossils are all biological sources for biopolymers, which are chemically manufactured from biological monomer units, including sugars, amino acids, natural fats and oils, and nucleotides. Biopolymer modification (chemical or physical) is recognized as a crucial technique for modifying physical and chemical characteristics, resulting in novel materials with improved capabilities and allowing them to be explored to their full potential in many fields of application such as tissue engineering, drug delivery, agriculture, biomedical, food industries, and industrial applications.
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Affiliation(s)
- Abinash Das
- Department of Chemistry, National Institute of Technology, Arunachal Pradesh, Jote, Arunachal Pradesh 791113 India
| | - Togam Ringu
- Department of Chemistry, National Institute of Technology, Arunachal Pradesh, Jote, Arunachal Pradesh 791113 India
| | - Sampad Ghosh
- Department of Chemistry, Nalanda College of Engineering, Nalanda, Bihar 803108 India
| | - Nabakumar Pramanik
- Department of Chemistry, National Institute of Technology, Arunachal Pradesh, Jote, Arunachal Pradesh 791113 India
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Improvements of Arboblend V2 Nature Characteristics through Depositing Thin Ceramic Layers. Polymers (Basel) 2021; 13:polym13213765. [PMID: 34771324 PMCID: PMC8587713 DOI: 10.3390/polym13213765] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 10/25/2021] [Accepted: 10/27/2021] [Indexed: 11/17/2022] Open
Abstract
The paper aims to investigate the behavior of Arboblend V2 Nature biopolymer samples covered with three ceramic powders, Amdry 6420 (Cr2O3), Metco 143 (ZrO2 18TiO2 10Y2O3) and Metco 136F (Cr2O3-xSiO2-yTiO2). The coated samples were obtained by injection molding, and the micropowder deposition was achieved by using the Atmospheric Plasma Spray (APS) method, with varied thickness layers. The present study will only describe the results for nine-layer deposition because, as the number of layers’ increases, the surface quality and mechanical/thermal characteristics such as wear, hardness and thermal resistance are also increased. The followed determinations were conducted: the adhesion strength, hardness on a microscopic scale by micro-indentation, thermal analysis and structural and morphological analysis. The structural analysis has highlighted a uniform deposition for the ZrO2 18TiO2 10Y2O3 layer, but for the layers that contained Cr2O3 ceramic microparticles, the deposition was not completely uniform. The thermal analysis revealed structural stability up to a temperature of 230 °C, the major degradation of the biopolymer matrix taking place at a temperature around 344 °C. The samples’ crystalline structure as well as the presence of the Cr2O3 compound significantly influenced the micro-indentation and scratch analysis responses. The novelty of this study is given by itself the coating of the Arboblend V2 Nature biopolymer (as base material), with ceramic microparticles as the micropowder coating material. Following the undertaken study, the increase in the mechanical, tribological and thermal characteristics of the samples recommend all three coated biopolymer samples as suitable for operating in harsh conditions, such as the automotive industry, in order to replace plastic materials.
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Nanocomposite Biopolymer Arboblend V2 Nature AgNPs. Polymers (Basel) 2021; 13:polym13172932. [PMID: 34502972 PMCID: PMC8433682 DOI: 10.3390/polym13172932] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 08/18/2021] [Accepted: 08/26/2021] [Indexed: 11/16/2022] Open
Abstract
Due to the pressing problems of today’s world, regarding both the finding of new, environmentally friendly materials which have the potential to replace classic ones, and the need to limit the accelerated spread of bacteria in hospitals, offices and other types of spaces, many researchers have chosen to develop their work in this field. Thus, biopolymeric materials have evolved so much that they are gradually becoming able to remove fossil-based plastics from major industries, which are harmful to the environment and implicitly to human health. The biopolymer employed in the present study, Arboblend V2 Nature with silver nanoparticle content (AgNP) meets both aspects mentioned above. The main purpose of the paper is to replace several parts and products in operation which exhibit antibacterial action, preventing the colonization and proliferation of bacteria (Streptococcus pyogenes and Staphylococcus aureus, by using the submerged cultivation method), but also the possibility of degradation in different environments. The biopolymer characterization followed the thermal behavior of the samples, their structure and morphology through specific analyses, such as TGA (thermogravimetric analysis), DSC (differential scanning calorimetry), SEM (scanning electron microscopy) and XRD (X-ray diffraction). The obtained results offer the possibility of use of said biocomposite material in the medical field because of its antibacterial characteristics that have proved to be positive, and, therefore, suitable for such applications. The thermal degradation and the structure of the material highlighted the possibility of employing it in good conditions at temperatures up to 200 °C. Two types of samples were used for thermal analysis: first, in the form of granules coated with silver nanoparticles, and second, test specimen cut from the sample obtained by injection molding from the coated granules with silver nanoparticles.
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Altayan MM, Al Darouich T, Karabet F. Thermoplastic starch from corn and wheat: a comparative study based on amylose content. Polym Bull (Berl) 2020. [DOI: 10.1007/s00289-020-03262-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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8
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Altayan MM, Ayaso M, Al Darouich T, Karabet F. The effect of increasing soaking time on the properties of premixing starch–glycerol–water suspension before melt-blending process: comparative study on the behavior of wheat and corn starches. Polym Bull (Berl) 2020. [DOI: 10.1007/s00289-019-02826-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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9
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Mascarenhas BC, Tavares FA, Paris EC. Functionalized faujasite zeolite immobilized on poly(lactic acid) composite fibers to remove dyes from aqueous media. J Appl Polym Sci 2019. [DOI: 10.1002/app.48561] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Bruno C. Mascarenhas
- Department of ChemistryFederal University of São Carlos (UFSCAR), Rod. Washington Luiz, s/n São Carlos CEP 13565‐905 Brazil
- Nanotechnology National Laboratory for Agriculture (LNNA)Embrapa Instrumentação, Rua XV de Novembro, 1452 São Carlos CEP 13560‐970 Brazil
| | - Francine A. Tavares
- Department of ChemistryFederal University of São Carlos (UFSCAR), Rod. Washington Luiz, s/n São Carlos CEP 13565‐905 Brazil
- Nanotechnology National Laboratory for Agriculture (LNNA)Embrapa Instrumentação, Rua XV de Novembro, 1452 São Carlos CEP 13560‐970 Brazil
| | - Elaine C. Paris
- Nanotechnology National Laboratory for Agriculture (LNNA)Embrapa Instrumentação, Rua XV de Novembro, 1452 São Carlos CEP 13560‐970 Brazil
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10
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Electrochemistry Studies of Hydrothermally Grown ZnO on 3D-Printed Graphene. NANOMATERIALS 2019; 9:nano9071056. [PMID: 31340555 PMCID: PMC6669539 DOI: 10.3390/nano9071056] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 07/17/2019] [Accepted: 07/20/2019] [Indexed: 11/17/2022]
Abstract
A three-dimensional (3D) printer was utilised for the three-dimensional production of graphene-based pyramids and an efficient hydrothermal procedure for ZnO growth. In particular, the 3D-printed graphene pyramids were forwarded in Pyrex glass bottles with autoclavable screw caps filled with 50 mL of an aqueous solution of zinc nitrate hexahydrate and hexamethylenetetramine for 1 h at 95 °C; sufficient enough time to deposit well-dispersed nanoparticles. X-ray diffraction patterns were in accordance with a Raman analysis and presented the characteristic peaks of graphite along with those of wurtzite ZnO. Different positions on the sample were tested, confirming the uniform dispersion of ZnO on graphene pyramids. From the electrochemical studies, it was found that the charging and discharging processes are affected by the presence of ZnO, indicating one well-defined plateau for each process compared to the previously reported bare graphene pyramids. In total, the material shows a value of 325 mAh g−1, a capacitance retention factor of 92% after 5000 scans, and a coulombic efficiency of 100% for the first scan that drops to 85% for the 5000th scan. This excellent performance is the result of the effect of ZnO and graphene that combines two Li+ accommodation sites, and the contribution of graphene pyramids, which provides more available sites to favor lithium storage capacity. Hence, this anode may be a promising electrode material for lithium-ion batteries.
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11
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Hydrolysis of cassava starch, chitosan and their mixtures in pressurized hot water media. J Supercrit Fluids 2019. [DOI: 10.1016/j.supflu.2018.11.013] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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12
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Guan M, Zhang Z, Yong C, Du K. Interface compatibility and mechanisms of improved mechanical performance of starch/poly(lactic acid) blend reinforced by bamboo shoot shell fibers. J Appl Polym Sci 2019. [DOI: 10.1002/app.47899] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Mingjie Guan
- College of Materials Science and EngineeringNanjing Forestry University Nanjing Jiangsu 210037 People's Republic of China
| | - Zhiwei Zhang
- College of Materials Science and EngineeringNanjing Forestry University Nanjing Jiangsu 210037 People's Republic of China
| | - Cheng Yong
- Circular Agriculture Research CenterJiangsu Academy of Agricultural Science Nanjing 210014 People's Republic of China
| | - Keke Du
- College of Materials Science and EngineeringNanjing Forestry University Nanjing Jiangsu 210037 People's Republic of China
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13
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Kim M, Jeong JH, Lee JY, Capasso A, Bonaccorso F, Kang SH, Lee YK, Lee GH. Electrically Conducting and Mechanically Strong Graphene-Polylactic Acid Composites for 3D Printing. ACS APPLIED MATERIALS & INTERFACES 2019; 11:11841-11848. [PMID: 30810305 DOI: 10.1021/acsami.9b03241] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The advent of 3D printing has had a disruptive impact in manufacturing and can potentially revolutionize industrial fields. Thermoplastic materials printable into complex structures are widely employed for 3D printing. Polylactic acid (PLA) is among the most promising polymers used for 3D printing, owing to its low cost, biodegradability, and nontoxicity. However, PLA is electrically insulating and mechanically weak; this limits its use in a variety of 3D printing applications. This study demonstrates a straightforward and environment-friendly method to fabricate conductive and mechanically reinforced PLA composites by incorporating graphene nanoplatelets (GNPs). To fully utilize the superior electrical and mechanical properties of graphene, liquid-exfoliated GNPs are dispersed in isopropyl alcohol without the addition of any surfactant and combined with PLA dissolved in chloroform. The GNP-PLA composites exhibit improved mechanical properties (improvement in tensile strength by 44% and maximum strain by 57%) even at a low GNP threshold concentration of 2 wt %. The GNP-PLA composites also exhibit an electrical conductivity of over 1 mS/cm at >1.2 wt %. The GNP-PLA composites can be 3D-printed into various features with electrical conductivity and mechanical flexibility. This work presents a new direction toward advanced 3D printing technology by providing higher flexibility in designing multifunctional 3D printed features.
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Affiliation(s)
- Mirae Kim
- Department of Materials Science and Engineering , Yonsei University , Seoul 03722 , Korea
| | - Jae Hwan Jeong
- Department of Materials Science and Engineering , Yonsei University , Seoul 03722 , Korea
| | - Jong-Young Lee
- Department of Materials Science and Engineering , Yonsei University , Seoul 03722 , Korea
| | - Andrea Capasso
- Department of Materials Science and Engineering , Yonsei University , Seoul 03722 , Korea
- International Iberian Nanotechnology Laboratory , 4715-330 Braga , Portugal
| | | | - Seok-Hyeon Kang
- Department of Materials Science and Engineering , Yonsei University , Seoul 03722 , Korea
| | - Young-Kook Lee
- Department of Materials Science and Engineering , Yonsei University , Seoul 03722 , Korea
| | - Gwan-Hyoung Lee
- Department of Materials Science and Engineering , Yonsei University , Seoul 03722 , Korea
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14
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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: 269] [Impact Index Per Article: 44.8] [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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15
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Yadav C, Maji PK. Synergistic effect of cellulose nanofibres and bio- extracts for fabricating high strength sodium alginate based composite bio-sponges with antibacterial properties. Carbohydr Polym 2018; 203:396-408. [PMID: 30318228 DOI: 10.1016/j.carbpol.2018.09.050] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Revised: 09/14/2018] [Accepted: 09/19/2018] [Indexed: 10/28/2022]
Abstract
This study investigates the synergistic potential of natural bio-extracts for preparing "all-natural" composite bio-sponges of sodium alginate (SA) with the reinforcement of a natural bio-nanomaterial i.e., cellulose nanofibres (CNFs). Aqueous suspensions of SA and CNFs in various combinations of bio-extracts (Rice water (Rw) and Giloy extract (Ge)) were freeze-dried to obtain the composite bio-sponges. Composites prepared using Rw resulted in structurally more stable samples with porosity above 75% that showed a compact honeycomb-like microstructure with interlocked CNFs network structures. A significant improvement in mechanical performance (400% increment in compressive strength and 800% increment in modulus) and thermal stability (decomposition temperature reaching up to 240 °C from 200 °C) for SA based composite bio-sponges was achieved due to the synergistic effect of Rw and CNFs as compared to conventionally prepared sponges in water. Additionally, the use of Ge has resulted in developing antimicrobial surfaces with up to 98% and 90% growth inhibition efficiency for gram-negative and gram-positive bacteria, respectively. Hence, CNFs and bio-extracts together played a competent role in effective tailoring of structural, thermo-mechanical and antibacterial properties of composite bio-sponges.
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Affiliation(s)
- Chandravati Yadav
- Department of Polymer and Process Engineering, Indian Institute of Technology Roorkee, Saharanpur Campus, Saharanpur, 247001, U.P., India
| | - Pradip K Maji
- Department of Polymer and Process Engineering, Indian Institute of Technology Roorkee, Saharanpur Campus, Saharanpur, 247001, U.P., India.
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Mesias R, Murillo E. Hyperbranched polyester polyol modified with polylactic acid as a compatibilizer for plasticized tapioca starch/polylactic acid blends. POLIMEROS 2018. [DOI: 10.1590/0104-1428.09516] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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17
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Chen S, Li FY, Li JF, Sun X, Cui JF, Zhang CW, Wang LM, Xie Q, Xu J. Effects of single-modification/cross-modification of starch on the mechanical properties of new biodegradable composites. RSC Adv 2018; 8:12400-12408. [PMID: 35539391 PMCID: PMC9079331 DOI: 10.1039/c8ra01592a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Accepted: 03/18/2018] [Indexed: 11/21/2022] Open
Abstract
Starch-based composites with different modified starches were prepared by combining starches with sisal fibers to investigate the effects of single-modification/cross-modification of starch on the mechanical properties of new biodegradable composites.
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Affiliation(s)
- Shuai Chen
- Key Laboratory of High Efficiency and Clean Mechanical Manufacture (Ministry of Education)
- School of Mechanical Engineering
- Shandong University
- Jinan 250061
- China
| | - Fang-yi Li
- Key Laboratory of High Efficiency and Clean Mechanical Manufacture (Ministry of Education)
- School of Mechanical Engineering
- Shandong University
- Jinan 250061
- China
| | - Jian-feng Li
- Key Laboratory of High Efficiency and Clean Mechanical Manufacture (Ministry of Education)
- School of Mechanical Engineering
- Shandong University
- Jinan 250061
- China
| | - Xu Sun
- Key Laboratory of High Efficiency and Clean Mechanical Manufacture (Ministry of Education)
- School of Mechanical Engineering
- Shandong University
- Jinan 250061
- China
| | - Jin-feng Cui
- Key Laboratory of High Efficiency and Clean Mechanical Manufacture (Ministry of Education)
- School of Mechanical Engineering
- Shandong University
- Jinan 250061
- China
| | - Chuan-wei Zhang
- Key Laboratory of High Efficiency and Clean Mechanical Manufacture (Ministry of Education)
- School of Mechanical Engineering
- Shandong University
- Jinan 250061
- China
| | - Li-ming Wang
- Key Laboratory of High Efficiency and Clean Mechanical Manufacture (Ministry of Education)
- School of Mechanical Engineering
- Shandong University
- Jinan 250061
- China
| | - Qi Xie
- Key Laboratory of High Efficiency and Clean Mechanical Manufacture (Ministry of Education)
- School of Mechanical Engineering
- Shandong University
- Jinan 250061
- China
| | - Jie Xu
- Key Laboratory of High Efficiency and Clean Mechanical Manufacture (Ministry of Education)
- School of Mechanical Engineering
- Shandong University
- Jinan 250061
- China
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18
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Nehra R, Maiti SN, Jacob J. Analytical interpretations of static and dynamic mechanical properties of thermoplastic elastomer toughened PLA blends. J Appl Polym Sci 2017. [DOI: 10.1002/app.45644] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Ranjana Nehra
- Centre for Polymer Science and Engineering; Indian Institute of Technology Delhi; New Delhi 110016 India
| | - Saurindra Nath Maiti
- Centre for Polymer Science and Engineering; Indian Institute of Technology Delhi; New Delhi 110016 India
| | - Josemon Jacob
- Centre for Polymer Science and Engineering; Indian Institute of Technology Delhi; New Delhi 110016 India
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19
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Bhattarai RS, Das A, Alzhrani RM, Kang D, Bhaduri SB, Boddu SH. Comparison of electrospun and solvent cast polylactic acid (PLA)/poly(vinyl alcohol) (PVA) inserts as potential ocular drug delivery vehicles. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 77:895-903. [DOI: 10.1016/j.msec.2017.03.305] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Revised: 03/27/2017] [Accepted: 03/31/2017] [Indexed: 12/01/2022]
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20
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Wu D, Samanta A, Srivastava RK, Hakkarainen M. Starch-Derived Nanographene Oxide Paves the Way for Electrospinnable and Bioactive Starch Scaffolds for Bone Tissue Engineering. Biomacromolecules 2017; 18:1582-1591. [DOI: 10.1021/acs.biomac.7b00195] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Duo Wu
- Department
of Fibre and Polymer Technology, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
| | - Archana Samanta
- Department
of Textile Technology, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Rajiv K. Srivastava
- Department
of Textile Technology, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Minna Hakkarainen
- Department
of Fibre and Polymer Technology, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
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21
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Wu D, Bäckström E, Hakkarainen M. Starch Derived Nanosized Graphene Oxide Functionalized Bioactive Porous Starch Scaffolds. Macromol Biosci 2017; 17. [DOI: 10.1002/mabi.201600397] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Revised: 12/06/2016] [Indexed: 11/07/2022]
Affiliation(s)
- Duo Wu
- Department of Fibre and Polymer Technology; KTH Royal Institute of Technology; SE-100 44 Stockholm Sweden
| | - Eva Bäckström
- Department of Fibre and Polymer Technology; KTH Royal Institute of Technology; SE-100 44 Stockholm Sweden
| | - Minna Hakkarainen
- Department of Fibre and Polymer Technology; KTH Royal Institute of Technology; SE-100 44 Stockholm Sweden
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22
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Xia R, Huang X, Li M. Starch foam material performance prediction based on a radial basis function artificial neural network trained by bare-bones particle swarm optimization with an adaptive disturbance factor. J Appl Polym Sci 2016. [DOI: 10.1002/app.44252] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Ruting Xia
- School of Mechanical Engineering; Taizhou University; Taizhou Zhejiang 318000 China
| | - Xingyuan Huang
- College of Mechanical and Electric Engineering; Nanchang University; Nanchang 330029 China
| | - Mengshan Li
- College of Mechanical and Electric Engineering; Nanchang University; Nanchang 330029 China
- College of Physics and Electronic Information; Gannan Normal University; Ganzhou Jiangxi 341000 China
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23
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Baishya P, Maji TK. Studies on the physicochemical properties of modified starch-based wood nanocomposites. STARCH-STARKE 2016. [DOI: 10.1002/star.201500254] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
| | - Tarun K. Maji
- Department of Chemical Sciences; Tezpur University; Assam India
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24
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Wu CS. Renewable resource-based green composites of surface-treated spent coffee grounds and polylactide: Characterisation and biodegradability. Polym Degrad Stab 2015. [DOI: 10.1016/j.polymdegradstab.2015.08.011] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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25
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Zhang X, Zhang Y, Liao J, Yu T, Hu R, Wu Z, Wu Q. Preparation and properties of compatible starch-polycaprolactone composites: Effects of molecular weight of soft segments in polyurethane compatilizer. J Appl Polym Sci 2015. [DOI: 10.1002/app.42381] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Xu Zhang
- Green Polymer Laboratory, College of Chemistry, Central China Normal University; Wuhan China 430079
| | - Yu Zhang
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Science; Wuhan China 430071
| | - Jingjing Liao
- Green Polymer Laboratory, College of Chemistry, Central China Normal University; Wuhan China 430079
| | - Ting Yu
- Green Polymer Laboratory, College of Chemistry, Central China Normal University; Wuhan China 430079
| | - Rongrong Hu
- Green Polymer Laboratory, College of Chemistry, Central China Normal University; Wuhan China 430079
| | - Zhengshun Wu
- Green Polymer Laboratory, College of Chemistry, Central China Normal University; Wuhan China 430079
| | - Qiangxian Wu
- Green Polymer Laboratory, College of Chemistry, Central China Normal University; Wuhan China 430079
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26
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Ge C, Lansing B, Aldi R. Starch foams containing biomass from the second generation cellulosic ethanol production. J Appl Polym Sci 2015. [DOI: 10.1002/app.41940] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Changfeng Ge
- Rochester Institute of Technology; Rochester New York 14623-5603
| | - Baxter Lansing
- Rochester Institute of Technology; Rochester New York 14623-5603
| | - Robert Aldi
- Rochester Institute of Technology; Rochester New York 14623-5603
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27
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Zhou Y, Xiu H, Dai J, Bai H, Zhang Q, Fu Q. Largely reinforced polyurethane via simultaneous incorporation of poly(lactic acid) and multiwalled carbon nanotubes. RSC Adv 2015. [DOI: 10.1039/c5ra05115k] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
In this study, we simultaneously introduced both poly(lactic acid) (PLA) and multiwalled carbon nanotubes (CNTs) into the polyurethane (PU) matrix via melt blending, to achieve balanced mechanical properties and good conductivity.
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Affiliation(s)
- Yan Zhou
- College of Polymer Science and Engineering
- State Key Laboratory of Polymer Materials Engineering
- Sichuan University
- Chengdu 610065
- P. R. China
| | - Hao Xiu
- College of Polymer Science and Engineering
- State Key Laboratory of Polymer Materials Engineering
- Sichuan University
- Chengdu 610065
- P. R. China
| | - Jia Dai
- College of Polymer Science and Engineering
- State Key Laboratory of Polymer Materials Engineering
- Sichuan University
- Chengdu 610065
- P. R. China
| | - Hongwei Bai
- College of Polymer Science and Engineering
- State Key Laboratory of Polymer Materials Engineering
- Sichuan University
- Chengdu 610065
- P. R. China
| | - Qin Zhang
- College of Polymer Science and Engineering
- State Key Laboratory of Polymer Materials Engineering
- Sichuan University
- Chengdu 610065
- P. R. China
| | - Qiang Fu
- College of Polymer Science and Engineering
- State Key Laboratory of Polymer Materials Engineering
- Sichuan University
- Chengdu 610065
- P. R. China
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