Plastics Derived from Biological Sources: Present and Future: A Technical and Environmental Review

Chen, Guoqiang; Patel, Martin Kumar

doi:10.1021/cr200162d

Cited by 847 publications

(572 citation statements)

References 90 publications

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“…With respect to issues (2) and (3) for PAA, we provide the biochemical and genetic properties of PAA hydrolases. In addition, as their applications, we focus on the enzymatic synthesis of structure-controlled poly(α-ethyl β-aspartate) (β-PAA) by taking advantage of the substrate specificity.…”

Section: Towards An Enhanced Sustainable Productionmentioning

confidence: 99%

Biodegradable Polymers: Recent Developments and New Perspectives

Carrasco¹,

Pérez²,

Cailloux³

et al. 2017

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Section: Towards An Enhanced Sustainable Productionmentioning

confidence: 99%

Biodegradable Polymers: Recent Developments and New Perspectives

Carrasco¹,

Pérez²,

Cailloux³

et al. 2017

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“…With flexibility in their properties, PLA, PHAs, and PBS can potentially substitute conventional plastics such as polypropylene (PP), polyethylene terephthalate (PET), and polystyrene (PS) [8,9]. Life Cycle Assessment (LCA) has been used as a tool to quantify environmental impacts associated with bioplastics throughout its life cycle.…”

Section: Introductionmentioning

confidence: 99%

Eco-Efficiency Assessment of Bioplastics Production Systems and End-of-Life Options

2018

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Bioplastics demand has been increased globally due to concerns regarding environmentally friendly consumption and production. Polylactic acid (PLA), polyhydroxyalkanoates (PHAs), and polybutylene succinate (PBS) are promising bioplastics with bio-based feedstocks and property of biodegradability. They are produced by bacterial fermentation of sugars from carbohydrate sources. With flexibility in their properties, PLA, PHAs, and PBS can potentially substitute conventional plastics such as polypropylene (PP), polyethylene terephthalate (PET), and polystyrene (PS). This study aims at evaluating the environmental and economic sustainability of bioplastics production together with end-of-life (EOL) options. The combination of environmental and economic indicators, eco-efficiency (E/E), was selected to investigate the performance of PLA, PHAs, and PBS from sugarcane and cassava in comparison with PP. The environmental impacts were determined using life cycle assessment. The product cost was used to represent the economic value. The E/E results showed that the environmental and economic sustainability could be enhanced with 100% mechanical recycling of all kinds of studied plastics. It is also important to highlight that mechanical recycling showed a better performance in terms of E/E than composting of bioplastics.

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“…[1][2][3][4] Aliphatic polyesters are a family of biodegradable or partially biodegradable polymers that can be processed into various forms such as films, fibers and injection-molded devices. 5,6 Outstanding examples of this family are poly(butylene succinate) (PBS), poly(L-lactic acid) (PLA), poly(-caprolactone) (PCL) and poly(hydroxy alkanoate)s (PHAs) among others.…”

Section: Introductionmentioning

confidence: 99%

Copolyesters Made from 1,4-Butanediol, Sebacic Acid, andd-Glucose by Melt and Enzymatic Polycondensation

et al. 2015

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Biotechnologically accessible 1,4-butanediol and vegetal oil-based diethyl sebacate were copolymerized with bicyclic acetalized D-glucose derivatives (Glux) by polycondensation both in the melt at high temperature and in solution at mild temperature mediated by polymer-supported Candida antarctica lipase B (CALB). Two series of random copolyesters (PB x Glux y Seb and PBSeb x Glux y ) were prepared differing in which D-glucose derivative (Glux diol or Glux diester) was used as comonomer. The three parent homopolyesters PBSeb, PBGlux and PGluxSeb were prepared as well. Both methods were found to be effective for polymerization although significant higher molecular weights were achieved by melt polycondensation. The thermal properties displayed by the copolyesters were largely dependent on composition and also on the functionality of the replacing Glux unit. The thermal stability of PBSeb was retained or even slightly increased after copolymerization with Glux whereas crystallinity and melting temperature were largely depressed. On the contrary, the glass-transition temperature noticeably increased with the content in Glux units. PGluxSeb distinguished in displaying both T g and T m higher than PBSeb because a different crystal structure is adopted by this homopolyester. The hydrolytic degradability of PBSeb in water was enhanced by copolymerization, in particular when biodegradation was assisted by lipases.2

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Plastics Derived from Biological Sources: Present and Future: A Technical and Environmental Review

Cited by 847 publications

References 90 publications

Biodegradable Polymers: Recent Developments and New Perspectives

Biodegradable Polymers: Recent Developments and New Perspectives

Eco-Efficiency Assessment of Bioplastics Production Systems and End-of-Life Options

Copolyesters Made from 1,4-Butanediol, Sebacic Acid, andd-Glucose by Melt and Enzymatic Polycondensation

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