| NR/BR复合材料抗裂口增长性能影响因素研究 |
| Study on the Influence Factors of Anti-crack Growth Performance of NR/BR Composites |
| 投稿时间：2016-10-11 修订日期：2016-10-11 |
| DOI： |
| 中文关键词: NR/BR并用，抗裂口增长性能，硫化体系，硫化条件 |
| 英文关键词: NR/BR, anti-crack growth performance, curing system, curing conditions |
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| 中文摘要: |
| 摘要：研究了填料种类和用量、硫化体系、硫化条件和NR与BR的并用比等因素对NR/BR复合材料抗裂口增长性能的影响。结果表明：对于NR/BR复合材料，炭黑用量在一定范围内时，炭黑用量和种类影响硫化胶的抗裂口增长性能；随着促进剂用量提高或延长硫化时间，抗裂口增长性能变差；而适当提高硫化温度或硫磺用量，NR/BR复合材料的抗裂口增长性能提高；NR/BR并用比、炭黑分布或硫化体系不同时，NR/BR复合材料的耐裂口增长性能都有差异性。 |
| 英文摘要: |
| Abstract: The effects of the kinds and quantity of the filler, curing system, curing conditions and blending with NR and BR on anti-crack growth performance of NR / BR composite were investigated. The results show that, for the NR / BR composite, the dosage of carbon black in a certain range, the amount and type of carbon black had an influence on anti-crack growth performance; there were worse anti-crack growth performance when the content of accelerant or extend the curing time were improved; on the contrary，there were better anti-crack growth performance for NR / BR composite when the vulcanizing temperature or the dosage of sulfur. Simultaneously， when the NR / BR composite had the different blend ratio of NR / BR, carbon black distribution or vulcanization system, had a difference to anti-crack growth performance. |
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