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Synthesis and chain extension of hydroxyl-terminated poly(lactic acid) oligomers and application in the blends

✍ Scribed by Liu, Junshao; Peizhen, Chen; Jiang, Huihua; Chen, Liangbi


Book ID
118765674
Publisher
Society for Plastic Engineers
Year
2013
Tongue
English
Weight
468 KB
Volume
34
Category
Article
ISSN
0272-8397

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We studied a two step process for lactic acid polymerization: in the first step, the lactic acid is condensation polymerized to a low molecular weight hydroxyl terminated prepolymer and then the molecular weight is raised by joining prepolymer chains together using diisocyanate as the chain extender