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2. Synthesis (processes) and structure
2.1 Structure L, D and meso
As described in 1.2 , PLA is obtained from lactic acid, which can be produced by fermentation or chemically. Lactic acid is one of the smallest optically active molecules. It exists in both L and D forms (figure 5 ).
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Synthesis (processes) and structure
Properties
Bibliography
- (1) - E. B. &. N. Institute - « http://www.european-bioplastics.org » [En ligne] (décembre 2016).
- (2) - Natureworks - « Innovation Takesroot Conference »....
Websites
Bioplastics magazine – Reference magazine for biopolymers
http://www.bioplasticsmagazine.com (page consulted on February 27, 2017)
Events
Biannual conference organized by Natureworks – Innovation takes root.
http://www.innovationtakesroot.com
Biannual conference – PLA world congress.
http://www.bioplasticsmagazine.com/en/events/4plaworldcongress
...Standards and norms
- Evaluation of the ultimate aerobic biodegradability of plastic materials under controlled composting conditions – Method by analysis of released carbon dioxide. - ISO 14855 -
- Packaging – Requirements for packaging recoverable by composting and biodegradation – Test program and assessment criteria for final acceptance of packaging. - EN 13432 -
- Plastics – Specifications for plastics suitable for home composting....
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PLA producers
Natureworks (United States)
Zhejiang Hisun Biomaterials Co. LTD (China)
Synbra Holding BV (Netherlands)
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