The Case for Polylactic Acid as a Commodity Packaging Plastic

Sinclair, Robert Gordon

doi:10.1080/10601329608010880

Cited by 410 publications

(159 citation statements)

References 2 publications

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“…These requirements still pose great difficulties for nanoparticle filled polymer composites. For these reasons the use of alternative filler particle types, such as inorganic fullerenes (IFs) and nanotubes (INTs) based on layered metal dichalcogenides such as WS 2 and MoS 2 , becomes increasingly important. The first synthesis of such nanoparticles was reported by Tenne et al in 1992 and1993.…”

Section: Introductionmentioning

confidence: 99%

“…1,2 Since its degradation products are bioresorbable, this polymer is one of those selected as appropriate for use in biomedical and pharmaceutical applications such as surgical sutures, bone fixation devices, and controlled drug release matrices. 3 Over the past decade, the discovery of new polymerization routes that allow the economical production of high molecular weight PLA, along with the elevated environmental awareness of the general public, has resulted in an expanded use of PLA for consumer goods and packaging applications.…”

Section: Introductionmentioning

confidence: 99%

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Development of novel melt-processable biopolymer nanocomposites based on poly(l-lactic acid) and WS2 inorganic nanotubes

2014

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The use of tungsten disulphide inorganic nanotubes (INT-WS 2 ) offers the opportunity to produce novel and advanced biopolymer-based nanocomposite materials with excellent nanoparticle dispersion without the need for modifiers or surfactants via conventional melt blending. The study of the non-isothermal melt-crystallization kinetics provides a clear picture of the transformation of poly(L-lactic acid) (PLLA) molecules from the non-ordered to the ordered state. The overall crystallization rate, final crystallinity and subsequent melting behaviour of PLLA were controlled by both the incorporation of INT-WS 2 and the variation of the cooling rate. In particular, it was shown that INT-WS 2 exhibits much more prominent nucleation activity on the crystallization of PLLA than other specific nucleating agents or nano-sized fillers. These features may be advantageous for the enhancement of mechanical properties and processability of PLLA-based materials. PLLA/INT-WS 2 nanocomposites can be employed as low cost biodegradable materials for many eco-friendly and medical applications, and the exceptional crystallization behaviour observed opens new perspectives for scale-up and broader applications.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Development of novel melt-processable biopolymer nanocomposites based on poly(l-lactic acid) and WS2 inorganic nanotubes

2014

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“…Lactide is a natural choice to plasticize PLA and showed a significant increase in elongation at break (Sinclair, 1996) but undergo stiffening with time due to migration of low molecular mass lactide toward the surface (Jacobsen et al, 1999). Oligomeric plasticizers that would not migrate toward the surface due to their relatively higher molecular mass were also used.…”

Section: Pla Modificationsmentioning

confidence: 99%

Poly(Lactic Acid) as a Biopolymer-Based Nano-Composite

Al-Mulla¹,

Ibrahim²

2012

Products and Applications of Biopolymers

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“…Almost all commercial products must be packaged in plastic (Kelly, 1997). Because plastic packaging provides excellent protection of the product (Sinclair, 1995); it is almost nonreactive, it prevents products from air and moisture, it is very cheap to manufacture and it seems to last for a long time. Lasting for a long time, however, is now creating a major environmental problem after depositing in the atmosphere (Maneka Gandi, 2010).…”

Section: Introductionmentioning

confidence: 99%

Synthesis and characterization of copoly(L-lactic acid-caprolactone) and its stereo-effect with poly D-lactic acid and biodegradability

Hoque

Nakayama

Nur

et al. 2012

Bangladesh J. Sci. Ind. Res.

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Random copolymerizations of L-Lactide with ε-Caprolactone by ring opening polymerization reactions were carried out. A number of copolymers were formed and observed that any composition of copolymer can be formed by changing the feed ratio of the respective monomers. The effect of temperature and time in copolymerization reaction were studied. For their characterization, NMR, IR, DSC and GPC were measured. The stereo-effect of the lactic acid based biodegradable polymers and copolymers for improve thermo-mechanical properties were studied. The obtained copolymers also show stereo-effect like homopolymer. The biodegradability of obtained polymers, copolymers and stereocomplex were studied in three different biodegradation methods; e.g., Enzymatic method, Composting method and Activated Sludge treatment method; and compared to each other.

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The Case for Polylactic Acid as a Commodity Packaging Plastic

Cited by 410 publications

References 2 publications

Development of novel melt-processable biopolymer nanocomposites based on poly(l-lactic acid) and WS2 inorganic nanotubes

Development of novel melt-processable biopolymer nanocomposites based on poly(l-lactic acid) and WS2 inorganic nanotubes

Poly(Lactic Acid) as a Biopolymer-Based Nano-Composite

Synthesis and characterization of copoly(L-lactic acid-caprolactone) and its stereo-effect with poly D-lactic acid and biodegradability

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