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用DSC研究线形多嵌段聚氨酯与聚氯乙烯、氯化聚氯乙烯共混相容性
引用本文:王胜杰,罗筱烈,马德柱. 用DSC研究线形多嵌段聚氨酯与聚氯乙烯、氯化聚氯乙烯共混相容性[J]. 广州化学, 1995, 0(4)
作者姓名:王胜杰  罗筱烈  马德柱
作者单位:中国科学院广州化学研究所!广州(王胜杰),中国科学技术大学材料科学与工程系!合肥(罗筱烈,马德柱)
摘    要:用示差扫描量热法(DSC)研究了线形多嵌段聚氨酯(PU)与聚氯乙烯(PVC)、氯化聚氯乙烯(CPVC)共混相容性,说明了PU/VC、PU/CPVC的相容是由于共混物中形成了新的氢键的缘故.聚酯型聚氨酯与PVC、CPVC的相容性要好子聚酸型聚氨酯,CPVC与PU的相容性又要好于PVC.聚氨酯中硬段的引入不利于PU/PVC、PU/CPVC的相容性.

关 键 词:线形多嵌段聚氨酯  聚氯乙烯  氯化聚氯乙烯  相容性  DSC

Study on miscibility of linear block polyurethane with poly(vinyl chloride) and chlorinated poly(vinyl chloride)by DSC
Wang Sheng jie. Study on miscibility of linear block polyurethane with poly(vinyl chloride) and chlorinated poly(vinyl chloride)by DSC[J]. Guangzhou Chemistry, 1995, 0(4)
Authors:Wang Sheng jie
Abstract:Compatibility of linear block polyurethane (PU) with poly (vinyl chloride) (PVC) or chlorinated poly(vinyl chloride) (CPVC) is studies by DSC. Their miscibility is illustrated to be caused by hydrogen bond in PU/PVC PU/CPVC blends. According to miscibility of PU/PVC. PU/CPVC, polyurethane with polyester as soft block is superior to that with polyether, and CPVC is superior to PVC. Hard block in polyurethane is a disadvantage to miscibility of PU/PVC.PU /CPVC.
Keywords:linear block polyurethane   poly(vinyl chloride)   chlorinated poly(vinyl chloride)  miscibility   differential scanning calorimetry  
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