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首页> 外文会议>International conference on baltic polymer symposium >Thermal and mechanical properties of unvulcanized polypropylene blends with different elastomers: ethylene-propylene-diene terpolymer, nitrile-butadiene copolymer and chlorinated polyethylene
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Thermal and mechanical properties of unvulcanized polypropylene blends with different elastomers: ethylene-propylene-diene terpolymer, nitrile-butadiene copolymer and chlorinated polyethylene

机译：用不同弹性体的未硫化聚丙烯的热和力学性能：乙烯 - 丙烯 - 二烯三元共聚物，丁腈 - 丁二烯共聚物和氯化聚乙烯

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In this work, composites of isotactic polypropylene (PP) with three unvulcanized elastomers - terpolymer of ethylene-propylene-dicyclopentadiene (EPDM), chlorinated polyethylene (CPE) and copolymer of acrylonitrile-butadiene (NBR) - have been investigated. The purpose of the investigation was to create PP/elastomer blend composites of significantly different compositions (with an excess of PP, intermediate ones, and with an excess of elastomer) and to study the dependence of tensile behaviour and elastic properties on the blends with different component ratio. Tensile properties have been recognized from the stress-strain curves. The changes of elastic modulus have been characterized with respect to the Hashin-Shtrikman upper and lower bounds and the Davies equation. Calorimetric properties of PP blends with elastomers (crystallinity and melting behaviour of polypropylene phase) have also been investigated with the method of differential scanning calorimetry (DSC).
机译：在这项工作中，研究了具有三种未硫化的弹性体 - 乙烯 - 丙烯 - 二环戊二烯（EPDM），氯化聚乙烯（CPE）和丙烯腈 - 丁二烯（NBR）共聚物的三个未硫化弹性体 - 三元共聚物的复合材料。调查的目的是产生显着不同的组合物的PP /弹性体混合物复合材料（具有过量的PP，中间体和过量的弹性体），并研究拉伸行为和弹性性质在不同的情况下的依赖性组分比率。已经从应力 - 应变曲线识别拉伸性能。针对Hashin-Shtrikman上下边界和Davies方程的表征了弹性模量的变化。还通过差示扫描量热法（DSC）的方法研究了具有弹性体（聚丙烯相的结晶度和熔化行为）的PP共混物的量热性能。

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