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讨论了实验室加速老化条件下,EPDM配方中分别使用5种常用橡胶着色剂后性能的变化,并研究了其在自然条件下存放4年对性能的影响。结果表明,使用5种着色剂后,混炼胶的硫化特性和物理性能相近;在自然条件下存放4年,每半年测试1次,性能无明显差异,但存在类似的规律。
The properties of five typical rubber colorants used in EPDM formulations under accelerated aging conditions were discussed. The effects of four years on the properties of natural rubber were also studied. The results showed that the vulcanization properties and physical properties of the rubber blend were similar after using 5 kinds of colorants. There was no obvious difference in the properties of the rubber when stored under natural conditions for 4 years and once every six months. However, there was a similar rule.