Polylactide

Hakkarainen, Minna; Finne‐Wistrand, Anna

doi:10.1002/9781118104729.ch9

Cited by 4 publications

(3 citation statements)

References 139 publications

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“…Foamed PLA may be used as structural protective material as well as in loose-fill packaging and insulation. PLA is also usable for coated paper, high-value films, rigid thermoformed containers, bottles, dog poop bags and a variety of other packaging applications [ 147 , 148 , 149 ].…”

Section: Polylactide—synthetic Polymer From Renewable and Synthetimentioning

confidence: 99%

“…Plastic agricultural mulches provide many benefits to the cultivation of specialty crops such as vegetables, including weed prevention and increased soil temperature, which leads to an increase in crop yield. Poly(lactic acid)-based mulches prepared using nonwovens textile technology are the perfect plastic mulch which would be ploughed into the soil at the end of the growing season, and undergo full mineralisation within a few months [ 147 , 150 ].…”

Section: Polylactide—synthetic Polymer From Renewable and Synthetimentioning

confidence: 99%

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Polyester-Based (Bio)degradable Polymers as Environmentally Friendly Materials for Sustainable Development

Rydz

Sikorska

Kyulavska

et al. 2014

IJMS

234

138

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This review focuses on the polyesters such as polylactide and polyhydroxyalkonoates, as well as polyamides produced from renewable resources, which are currently among the most promising (bio)degradable polymers. Synthetic pathways, favourable properties and utilisation (most important applications) of these attractive polymer families are outlined. Environmental impact and in particular (bio)degradation of aliphatic polyesters, polyamides and related copolymer structures are described in view of the potential applications in various fields.

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Section: Polylactide—synthetic Polymer From Renewable and Synthetimentioning

confidence: 99%

Section: Polylactide—synthetic Polymer From Renewable and Synthetimentioning

confidence: 99%

Polyester-Based (Bio)degradable Polymers as Environmentally Friendly Materials for Sustainable Development

Rydz

Sikorska

Kyulavska

et al. 2014

IJMS

234

138

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“…Poly(lactic acid) or poly(lactide), PLA, is a biobased, degradable and thermoplastic polymer belonging to the family of the aliphatic polyesters. PLA has a leading position because of its mechanical properties and thermoplastic processability that make it suitable for a broad range of commodity applications, in some cases representing an alternative to conventional plastic materials . More importantly, PLA and its copolymers have been the most-used polymers in biomedical research and applications for the past five decades since they are biocompatible and eventually degrade in vivo into nontoxic products …”

Section: Introductionmentioning

confidence: 99%

Poly(l-lactide) and Poly(l-lactide-co-trimethylene carbonate) Melt-Spun Fibers: Structure–Processing–Properties Relationship

Fuoco

Mathisen²,

Finne‐Wistrand

2019

Biomacromolecules

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L-Lactide/trimethylene carbonate copolymers have been produced as multifilament fibers by high-speed melt-spinning. The relationship existing between the composition, processing parameters and physical properties of the fibers has been disclosed by analyzing how the industrial process induced changes at the macromolecular level, i.e., the chain microstructure and crystallinity development. A poly(L-lactide) and three copolymers having trimethylene carbonate contents of 5, 10 and 18 mol % were synthesized with high molecular weight (M n ) up to 377 kDa and narrow dispersity. Their microstructure, crystallinity and thermal properties were dictated by the composition. The spinnability was then assessed for all the as-polymerized materials: four melt-spun multifilament fibers with increasing linear density were collected for each (co)polymer at a fixed take-up speed of 1800 m min −1 varying the mass throughput during the extrusion. A linear correlation resulted between the as-spun fiber properties and the linear density. The as-spun fibers could be further oriented, developing more crystallinity and improving their tensile properties by a second stage of hot-drawing. This ability was dependent on the composition and crystallinity achieved during the melt-spinning and the parameters selected for the hot-drawing, such as temperature, draw ratio and input speed. The crystalline structure evolved to a more stable form, and the degree of crystallinity increased from 0−52% to 25−66%. Values of tensile strength and Young's modulus up to 0.32−0.61 GPa and 4.9−8.4 GPa were respectively achieved.

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