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Kim et al., 1999 - Google Patents

Crystallization behavior of biodegradable amphiphilic poly (ethylene glycol)‐poly (l‐lactide) block copolymers

Kim et al., 1999

Document ID
3061939495206201102
Author
Kim K
Chung S
Chin I
Kim M
Yoon J
Publication year
Publication venue
Journal of applied polymer science

External Links

Snippet

Abstract Poly (ethylene glycol)‐poly (l‐lactide) diblock and triblock copolymers were prepared by ring‐opening polymerization of l‐lactide with poly (ethylene glycol) methyl ether or with poly (ethylene glycol) in the presence of stannous octoate. Molecular weight, thermal …
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    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
    • C08G63/08—Lactones or lactides
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    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
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    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
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    • C08G63/78—Preparation processes
    • C08G63/82—Preparation processes characterised by the catalyst used
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