摘要
采用扫描电子显微镜、差示扫描量热仪研究了水溶性聚酯/PET(WSP/PET)共混物的相结构和热性能,并用Instron 3211毛细管流变仪研究了共混物的流变特性。结果表明,WSP/PET体系为热力学不相容体系,WSP的加入降低了共混物的结晶度,共混物熔体表现出切力变稀特征。
The phase structure and thermal property of water-soluble polyesters/poly (ethylene terephthalate) blend were studied by SEM and DSC, and the rheological behaviors were investigated employing a capillary rheometer Instron 3211. It is found that the blend is a thermodynamically incompatible system, the addition of water-soluble polyesters makes the crystallinity of the blend decrease, and the melt of the blend shows the feature of shear-rate thinning.
出处
《工程塑料应用》
CAS
CSCD
1998年第6期5-7,共3页
Engineering Plastics Application
关键词
水溶性聚酯
PET
共混物
改性
water-soluble polyesters, PET, blend, phase structure, thermal property, rheological property
