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首页> 外文期刊>Journal of Applied Polymer Science >Dynamic Mechanical Properties of SBR and EPDM Vulcanisates Filled with Cryogenically Pulverized Flexible Polyurethane Foam Particles
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Dynamic Mechanical Properties of SBR and EPDM Vulcanisates Filled with Cryogenically Pulverized Flexible Polyurethane Foam Particles

机译：填充低温粉碎柔性聚氨酯泡沫颗粒的SBR和EPDM硫化酯的动态力学性能

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摘要

The dynamic mechanical properties of rubber vulcanisates filled with cryogenically pulyerized polyurethane foam particles, used as a reinforcing filler, were investigated with respect to storage modulus (E'), loss modulus, and the variation of glasss transition temperature. Two rubbers were using styrene-butadiene rubber (SBR) and ethylene-propylene copolymer (EPDM0. The effects of filler concentration and filler characteristics (such as particles size and moisture content) were also monitored. It was found that the optimum dynamic mechanical properties of the compounds were obbained when introducing the PU particles of 40-50 parts per hundred (pph) rubber in SBR and 30 pph in the EPDM, the properties being affected by the size of PU particles and mousture content.
机译：相对于储存模量（E'），损耗模量和玻璃化转变温度的变化，研究了用作增强填料的低温较长的聚氨酯泡沫颗粒的橡胶硫化酯的动态力学性能。 两种橡胶使用苯乙烯 - 丁二烯橡胶（SBR）和乙烯 - 丙烯共聚物（EPDM0。还监测填料浓度和填料特性（如颗粒尺寸和水分含量）的影响。发现最佳的动态机械性能 当EPDM中，在SBR和30pph中将40-50份（PPH）橡胶的PU颗粒引入40-50份（PPH）橡胶时，该性质受到PU颗粒和微调含量的影响。

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