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基于己内酰胺和乙醇胺的聚酯酰胺合成及表征
DOI: 10.3724/SP.J.1105.2012.11041 , PP. 33-40
Keywords: 脂肪族聚酯酰胺 ,扩链反应 ,己内酰胺 ,乙醇胺 ,己二酸
Abstract:
以己内酰胺及乙醇胺进行开环聚合,合成了聚酰胺预聚物(PrePA),并采用N,N'-碳酰双己内酰胺(CBC)和1,4-双(2-噁唑啉)苯(PBOX)对其进行了扩链反应.进一步将PrePA与己二酸缩聚,制备了聚酯酰胺预聚体(PrePEA),以CBC和PBOX复合扩链剂扩链,获得了特性黏数达0.74dL/g的聚酯酰胺.并采用红外、核磁及WAXS对聚合物的结构和晶型进行了表征,以DSC和TGA测定了聚合物的热性能,同时对聚合物的力学性能进行了测定.
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