Crystallization behavior of biodegradabl
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Kwang-Sok Kim; Sungno Chung; In-Joo Chin; Mal-Nam Kim; Jin-San Yoon
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Article
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1999
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John Wiley and Sons
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English
⚖ 186 KB
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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 properties, and crystalline structure o