首页> 外文会议>Symposium on innovative polymers for controlled delivery: Abstract book. >SYNTHESIS AND CRYSTALLIZABILITY OF POLY(ETHYLENE GLYCOL)-b-POLY(ε-CAPROLACTONE)-b-POLY(ETHYLENE GLYCOL)
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SYNTHESIS AND CRYSTALLIZABILITY OF POLY(ETHYLENE GLYCOL)-b-POLY(ε-CAPROLACTONE)-b-POLY(ETHYLENE GLYCOL)

机译:聚(乙撑二醇)-b-聚(ε-己内酯)-b-聚乙二醇(乙撑)的合成和结晶

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摘要

A family of poly(ethylene glycol)-b-poly(ε-caprolactone)-b-poly(ethylene glycol) has been prepared in high yields by a two step method. Their thermal and crystallization behaviors were studied by DSC and WXRD. The results illustrated that the crystallization and melting behaviors of the copolymers depended on the copolymer composition and the relative length of each block in the copolymers. The crystallization of the PCL block was strongly restricted by the crystallization of the lateral PEG blocks.
机译:通过两步法高产率地制备了聚(乙二醇)-b-聚(ε-己内酯)-b-聚(乙二醇)族。用DSC和WXRD研究了它们的热和结晶行为。结果表明,共聚物的结晶和熔融行为取决于共聚物的组成和共聚物中每个嵌段的相对长度。 PCL嵌段的结晶受到侧面PEG嵌段的结晶的强烈限制。

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