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一种蓖麻油增韧聚乳酸型聚氨酯的制备方法
Date: 2017-06-08
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Patent name:一种蓖麻油增韧聚乳酸型聚氨酯的制备方法

Invention / Applicant:杨 光,付标,余龙江

Patent number / application number:CN 101240056A

Authorization / Application Date:2008.03.07

Introduction:

本发明提供一种蓖麻油增韧聚乳酸型聚氨酯的制备方法,首先通过L乳酸和1,4-丁二醇直接缩聚制备端羟基乳酸预聚物,然后以六亚甲基二异氰酸酯为扩链剂,利用蓖麻油进行溶液扩链聚合得到聚乳酸型聚氨酯。本发明采用全天然的原料制备的绿色材料,保持了聚乳酸的生物可降解性,利用蓖麻油同聚乳酸共聚的方法改变聚乳酸中较差的力学性质,获得的聚乳酸型聚氨酯材料既保持了聚乳酸的降解性,又增加了蓖麻油的韧性和断裂伸长率。

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 Address: Department of Life Science and Technology, East Campus, Huazhong University of Science and Technology, No. 1037 LuoYu
 Address: Department of Life Science and Technology, East Campus, Huazhong University of Science and Technology, No. 1037 LuoYu Address: College of Life Science and Technology, East Campus, Huazhong University of Science and Technology, No. 1037 LuoYu East  


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