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Study on Chain Extending and Modification of Hydroxylterminated PLA
Author(s): Li Tiantian, Fan Guodong
Pages: 81-
85
Year: 2012
Issue:
4
Journal: Plastics Science and Technology
Abstract: 乳酸与2,2-(1,3-亚苯基)-二恶唑啉(1,3-PBO) 直接熔融缩聚成端羟基乳酸预聚物(PLBO),以聚乙二醇(PEG)和六亚甲基二异氰酸酯(HDI)聚合制得的端异氰酸酯基聚乙二醇(PEG-NCO)为扩链剂,以二月桂酸二丁基 锡为催化剂,对PLBO进行扩链以制备可完全生物降解的聚酯氨酯(PEU).采用乌氏黏度法、FTIR、DSC、XRD、TG、SEM等方法对各聚合物的结构和性能进行了表征....
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