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首页> 外文期刊>Macromolecular symposia >Reactive Blends of Poly(phenylene sulfide)/Hyperbranched Poly(phenylene sulfide)
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Reactive Blends of Poly(phenylene sulfide)/Hyperbranched Poly(phenylene sulfide)

机译:聚苯硫醚/超支化聚苯硫醚的反应性共混物

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摘要

Polymer blends consisting of linear poly(phenylene sulfide) (PPS) and hyperbranched PPS (HPPS) were obtained in melt. The solid-state properties of PPS and their blends were investigated by scanning electron microscopy (SEM), thermogravimetric analyzer (TGA), extraction measurement, differential scanning calorimetry (DSC) and dynamical mechanical analysis (DMA). Blends prepared by melt mixing turned out to be reactive as shown by the TGA and extraction measurement. SEM indicated that no phase separation occurs in PPS/HPPS blends. The degree of crystallization of the blends decreased with increasing HPPS content. Both the storage modulus and loss modulus increased as HPPS content increasing.
机译:在熔融状态下获得了由线性聚苯硫醚(PPS)和超支化PPS(HPPS)组成的聚合物共混物。通过扫描电子显微镜(SEM),热重分析仪(TGA),萃取测量,差示扫描量热法(DSC)和动态力学分析(DMA)研究了PPS及其共混物的固态性能。如TGA和萃取测量所示,通过熔融混合制备的共混物证明是反应性的。 SEM表明在PPS / HPPS共混物中没有相分离发生。共混物的结晶度随着HPPS含量的增加而降低。储能模量和损耗模量均随HPPS含量的增加而增加。

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