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一种不饱和聚乳酸嵌段共聚物及其制备方法
Authors
刘吉
史佳鑫
+6 more
徐悦
江盛鸿
王静
蒋志强
顾群
黎俊
Publication date
7 June 2010
Publisher
Abstract
本发明公开了一种由6,7-二氢-5H-恶庚-2-酮(DHO)系列不饱和内酯与丙交酯开环共聚得到的嵌段共聚物及其制备方法。本发明将DHO系列不饱和单体引入聚乳酸主链上,得到一种主链上含有碳碳双键的不饱和聚乳酸嵌段共聚物,利用该具有反应活性的碳碳双键可以在聚乳酸主链上引入适宜长度的支链,这对提高聚乳酸材料的熔体强度,改善聚乳酸材料的加工性能非常有意义。另外,本发明的不饱和聚乳酸嵌段共聚物的制备方法操作工艺简单、合成温度低,可通过控制各反应物的加入量调节不饱和聚乳酸嵌段共聚物中各组分的链段长度及共聚物分子量,从而获得性能各异的不饱和聚乳酸嵌段共聚物
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Institutional Repository of Ningbo Institute of Material Technology & Engineering, CAS
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oai:ir.nimte.ac.cn/:174433/104...
Last time updated on 22/01/2018
Institutional Repository of Ningbo Institute of Material Technology & Engineering, CAS
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.nimte.ac.cn/:174433/253...
Last time updated on 22/01/2018