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增塑剂对丁腈橡胶/聚丙烯热塑性硫化橡胶性能的影响

Effect of plasticizers on acrylonitrile-butadiene rubber/polypropylene thermoplastic vulcanizate

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【作者】 江美娟田明伍社毛韩吉彬张立群

【Author】 Jiang Meijuan,Tian Ming,Wu Shemao,Han Jibin,Zhang Liqun(Key Laboratory of Beijing City on Preparation and Processing of Novel Polymer Materials,Beijing University of Chemical Technology,Beijing 100029,China)

【机构】 北京化工大学北京市新型高分子材料制备与成型加工重点实验室北京化工大学北京市新型高分子材料制备与成型加工重点实验室 北京100029北京100029

【摘要】 研究了邻苯二甲酸二辛酯(DOP)、偏苯三酸三(2-乙基己酯)(TOTM)、聚酯和邻苯二甲酸烷基.苄酯4种增塑剂对丁腈橡胶(NBR)聚/丙烯(PP)热塑性硫化胶(TPV)邵尔A硬度、耐油性能和流变性能的影响,并用透射电镜分析了4种增塑剂对NBR/PP TPV相态结构的影响。结果表明,TOTM的增塑效果最好,可制备出低硬度、高耐油和流动性好的NBR/PP TPV,并且分散相的粒径小、大小均匀;随着TOTM用量的增加,NBR/PP TPV的邵尔A硬度降低,流动性提高,但TOTM用量不宜超过50份。

【Abstract】 The effect of four plasticizers,dioctyl phthalate(DOP),tri(2-ethyl hexyl) trimellitate(TOTM),polyester plastifier and C7C9 alkyl phthalate on Shore A hardness,oil-resistance property,rheological property and dispersion of acrylonitrile-butadiene rubber(NBR)/polypropylene(PP) thermoplastic vulcanizate(TPV) were studied.The morphological structures of NBR/PP TPV were analyzed.The results showed that TOTM was an excellent plasticizer,and low hardness,high oil-resistance property,good rheological property and good dispersion of NBR/PP TPV were prepared when it was used.The Shore A hardness of NBR/PP TPV decreased and the rheology became better with the increase of TOTM,but the(amount) of TOTM was added not more than 50 phr.

【基金】 国家自然科学基金资助项目(59903001)
  • 【文献出处】 合成橡胶工业 ,China Synthetic Rubber Industry , 编辑部邮箱 ,2006年05期
  • 【分类号】TQ330.7
  • 【被引频次】14
  • 【下载频次】421
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