Research progress in fully biorenewable tough blends of polylactide and green plasticizers
Plasticized PLA plastic films are being increasingly used in, among others, packaging and agriculture sectors in an attempt to address the rapid growth of municipal waste. The present paper aims to review the recent progress and the state-of-the-art in the field of fully bio-renewable tough blends o...
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Veröffentlicht in: | International journal of biological macromolecules 2024-11, Vol.279 (Pt 3), p.135345, Article 135345 |
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creator | Mazidi, Majid Mehrabi Arezoumand, Sahar Zare, Leila |
description | Plasticized PLA plastic films are being increasingly used in, among others, packaging and agriculture sectors in an attempt to address the rapid growth of municipal waste. The present paper aims to review the recent progress and the state-of-the-art in the field of fully bio-renewable tough blends of PLA with green plasticizers aimed at developing flexible packaging films. The different classes of green substances, derived from completely bio-renewable resources, used as potential plasticizers for PLA resins are reviewed. The effectiveness of these additives for PLA plasticization is discussed by describing their effects on different properties of PLA. The performance of these blends is primarily determined by the solvent power, compatibility, efficiency, and permanence of plasticizer present in the PLA matrix of resulting films. The various chemical modification strategies employed to tailor the phase interactions, dispersion level and morphology, plasticization efficiency, and permanence, including functionalization, oligomerization, polymerization and self-crosslinking, grafting and copolymerization, and dynamic vulcanization are demonstrated. Sometimes a third component has also been added to the plasticized binary blends as compatibilizer to further promote dispersion and interfacial adhesion. The impact of chemical structure, size and molecular weight, chemical functionalities, polarity, concentration, topology as well as molecular architectures of the plasticizers on the plasticizer performance and the overall characteristics of resulting plasticized PLA materials is discussed. The morphological features and toughening mechanisms for PLA/plasticizer blends are also presented. The different green liquids employed show varying degree of plasticization. Some are more useful for semi-rigid applications, while some others can be used for very flexible products. There is an optimum level of plasticizer in PLA matrices above which the tensile ductility deteriorates. Esters-derivatives of bio-based plasticizers have been shown to be very promising additives for PLA modification. Some plasticizers impart additional functions such as antioxidation and antibacterial activity to the resulting PLA materials, or compatibilization in PLA-based blends. While the primary objective of plasticization is to boost the processability, flexibility, and toughness over wider practical conditions, the bio-degradability, permeability and long-term stability of microstructure |
doi_str_mv | 10.1016/j.ijbiomac.2024.135345 |
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[Display omitted]</description><subject>Bio-renewable</subject><subject>Blend</subject><subject>Plasticizer</subject><subject>Poly(lactic acid)</subject><subject>Properties</subject><subject>Toughness</subject><issn>0141-8130</issn><issn>1879-0003</issn><issn>1879-0003</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNqFkEtLAzEUhYMoWh9_QbJ0MzWvySQ7RXyBIIhu3IQ0uVNT0pmazCj115tSdevqXi7nnMv5EDqlZEoJleeLaVjMQr-0bsoIE1PKay7qHTShqtEVIYTvogmhglaKcnKADnNelKusqdpHB1wzISglE_T6BBlscm94lfp5gpxx6HA7xrjGJT9BB592FgEP_Th_w2XrfMZ9i1d9XEfrhuAB287j4oUOr6LNQ3DhC1I-RnutjRlOfuYRerm5fr66qx4eb--vLh8qx0Q9VE5LzSVhSnKhfU1r6TRVSrbCe62JJrVoHRFUzhhRijXSKstq13juPQNu-RE62-aWBu8j5MEsQ3YQo-2gH7PhBVijpWBNkcqt1KU-5wStWaWwtGltKDEbrmZhfrmaDVez5VqMpz8_xtkS_J_tF2QRXGwFUJp-BEgmuwCdAx8SuMH4Pvz34xuzqoxL</recordid><startdate>20241101</startdate><enddate>20241101</enddate><creator>Mazidi, Majid Mehrabi</creator><creator>Arezoumand, Sahar</creator><creator>Zare, Leila</creator><general>Elsevier B.V</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20241101</creationdate><title>Research progress in fully biorenewable tough blends of polylactide and green plasticizers</title><author>Mazidi, Majid Mehrabi ; Arezoumand, Sahar ; Zare, Leila</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c245t-c969360286349d5156c91886f4dd9909054fc0416b2088276a8a25c7d3dd2e3a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Bio-renewable</topic><topic>Blend</topic><topic>Plasticizer</topic><topic>Poly(lactic acid)</topic><topic>Properties</topic><topic>Toughness</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mazidi, Majid Mehrabi</creatorcontrib><creatorcontrib>Arezoumand, Sahar</creatorcontrib><creatorcontrib>Zare, Leila</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>International journal of biological macromolecules</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mazidi, Majid Mehrabi</au><au>Arezoumand, Sahar</au><au>Zare, Leila</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Research progress in fully biorenewable tough blends of polylactide and green plasticizers</atitle><jtitle>International journal of biological macromolecules</jtitle><addtitle>Int J Biol Macromol</addtitle><date>2024-11-01</date><risdate>2024</risdate><volume>279</volume><issue>Pt 3</issue><spage>135345</spage><pages>135345-</pages><artnum>135345</artnum><issn>0141-8130</issn><issn>1879-0003</issn><eissn>1879-0003</eissn><abstract>Plasticized PLA plastic films are being increasingly used in, among others, packaging and agriculture sectors in an attempt to address the rapid growth of municipal waste. The present paper aims to review the recent progress and the state-of-the-art in the field of fully bio-renewable tough blends of PLA with green plasticizers aimed at developing flexible packaging films. The different classes of green substances, derived from completely bio-renewable resources, used as potential plasticizers for PLA resins are reviewed. The effectiveness of these additives for PLA plasticization is discussed by describing their effects on different properties of PLA. The performance of these blends is primarily determined by the solvent power, compatibility, efficiency, and permanence of plasticizer present in the PLA matrix of resulting films. The various chemical modification strategies employed to tailor the phase interactions, dispersion level and morphology, plasticization efficiency, and permanence, including functionalization, oligomerization, polymerization and self-crosslinking, grafting and copolymerization, and dynamic vulcanization are demonstrated. Sometimes a third component has also been added to the plasticized binary blends as compatibilizer to further promote dispersion and interfacial adhesion. The impact of chemical structure, size and molecular weight, chemical functionalities, polarity, concentration, topology as well as molecular architectures of the plasticizers on the plasticizer performance and the overall characteristics of resulting plasticized PLA materials is discussed. The morphological features and toughening mechanisms for PLA/plasticizer blends are also presented. The different green liquids employed show varying degree of plasticization. Some are more useful for semi-rigid applications, while some others can be used for very flexible products. There is an optimum level of plasticizer in PLA matrices above which the tensile ductility deteriorates. Esters-derivatives of bio-based plasticizers have been shown to be very promising additives for PLA modification. Some plasticizers impart additional functions such as antioxidation and antibacterial activity to the resulting PLA materials, or compatibilization in PLA-based blends. While the primary objective of plasticization is to boost the processability, flexibility, and toughness over wider practical conditions, the bio-degradability, permeability and long-term stability of microstructure (and thereby properties) of the plasticized films against light, weathering, thermal aging, and oxidation deserve further investigations.
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subjects | Bio-renewable Blend Plasticizer Poly(lactic acid) Properties Toughness |
title | Research progress in fully biorenewable tough blends of polylactide and green plasticizers |
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