过氧化物对PP纤维料性能影响对比  

Effect of Peroxide on the Performance of Polypropylene Fiber Material

作　　者：汪冉华 张鹏宇 杨帆 姚文建 Wang Ranhua;Zhang Pengyu;Yang Fan;Yao Wenjian(Research Institute of Dushanzi Petrochemical Company,CNPC,Karamay,Xinjiang,833699;Xinjiang Uygur Autonomous Region Key Laboratory of Rubber and Plastics Materials,Karamay,Xinjiang,833699;China National Petroleum Corporation North China Chemical Sales Branch,Beijing,100000;Petroleum Dushanzi Petrochemical Company Polyolefin DivisionⅡ,Karamay,Xinjiang,833699)

机构地区：[1]中国石油独山子石化公司研究院,新疆克拉玛依833699 [2]新疆橡塑材料实验室,新疆克拉玛依833699 [3]中国石油华北化工销售分公司,北京100000 [4]中国石油独山子石化公司聚烯烃二部,新疆克拉玛依833699

出　　处：《现代塑料加工应用》2023年第4期39-42,共4页Modern Plastics Processing and Applications

摘　　要：采用化学降解法,探究了过氧化物对聚丙烯(PP)纤维料性能的影响。选取2种不同的过氧化物(过氧化物A和过氧化物B),对比其对PP纤维料熔体流动速率(MFR)、力学性能、熔融、结晶、相对分子质量分布、气味等的影响。结果表明:随着过氧化物质量分数的增加,MFR明显增大,明确了改进PP纤维料性能的最佳固体过氧化物添加量。相同有效浓度下,过氧化物A与过氧化物B的相对分子质量分布、气味、30 min内热稳定性能表现相当。过氧化物A的质量分数在0.13%~0.17%时PP纤维料力学性能改善较佳。The effect of peroxide on the properties of polypropylene(PP)fiber material was investigated by chemical degradation method.Two different peroxides(peroxide A and peroxide B)were selected to compare their effects on melt flow rate(MFR),mechanical properties,melting,crystallization,relative molecular mass distribution,odor and other aspects of PP fiber material.The results show that MFR increases significantly with the increase of peroxide mass fraction,and the optimum amount of solid peroxide addition to improve the performance of PP fiber material is clarified.At the same effective concentration,the relative molecular mass distribution,odor,and thermal stability performance within 30 minutes of peroxide A and peroxide B are comparable.The mechanical properties of PP fiber material are better improved when the mass fraction of peroxide A is between 0.13%and 0.17%.

关 键 词：过氧化物 聚丙烯 降解法 相对分子质量分布 

分 类 号：TQ342.62[化学工程—化纤工业]