| 综合促进剂DB在三元乙丙橡胶中的应用 |
| Application of Complex Accelerator DB in EPDM |
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| DOI： |
| 中文关键词: 三元乙丙橡胶 综合促进剂 热老化性能 压缩永久变形 粘合性能 |
| 英文关键词: EPDM complex accelerator heat aging property compression set adhesion |
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| 中文摘要: |
| 验研究综合促进剂DB和硫黄对三元乙丙橡胶（EPDM）胶料性能的影响。结果表明：综合促进剂DB应用在EPDM胶管配方中，胶料具有优异的耐热老化性能，不会与聚酯线发生胺解反应，能够延长胶管的使用寿命；综合促进剂DB应用在EPDM模压制品配方中，硫化速度适中，胶料易于流动和分散，有利于胶料与金属骨架材料粘合，提高剥离强度。 |
| 英文摘要: |
| The influence of complex accelerator DB and sulfur on the properties of EPDM was investigated.The results showed that，when DB was added in hose compound，the heat aging resistance of the compound was excellent，the aminolysis reaction of polyester cord didn’t occur，and the working life of the hose was extended.When DB was added in molded goods，the curing rate was moderate and the flow property of the compound was good，which resulted in excellent adhesion between rubber and metal parts. |
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