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研究了抗氧剂PEPQ对聚丙烯( PP)树脂的抗氧化性能,并与抗氧剂168进行了对比。结果表明,添加抗氧剂PEPQ的PP树脂具有良好的加工性能和热稳定性能,经5次反复挤出保持良好的力学性能,拉伸强度保持90%以上,黄色指数YID为0.96。

The anti-oxygenation properties of antioxidant PEPQ in polypropylene ( PP ) resin were studied and compared with antioxidant 168. Results show that the added antioxidants PEPQ has excellent processability and thermal stability,excellent mechanical properties of 5 times repeated extrusion,tensile strength was above 90%and the YID was 0. 96.

参考文献

[1] 叶苑梣,刘绍基,郭永武,等. 聚合物防老化实用手册[M]. 北京:化学工业出版社,1999:313-314.,1999.
[2] 熊大方. 高密度聚乙烯树脂氧化诱导期的热分析[J]. 塑料工业,1992(6):49.,1992.
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