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5. 丁腈橡胶耐臭氧性能的研究

丁腈橡胶耐臭氧性能的研究

来源 :特种橡胶制品 | 被引量 : 0次 | 上传用户：cywxp

【摘 要】

：

研究了NBR的耐臭氧性能、物理性能、热老化性能以及耐1RM903油性能的变化.结果表明,在NBR配方中添加微晶蜡和防老剂4020可提高胶料的耐臭氧性能,且随着用量的增加,耐臭氧性能逐渐增大.当微晶蜡与4020用量分别为3份与2份时,硫化胶试样满足在拉伸20％、温度40℃、臭氧浓度为50×10-8、时间为72h下无龟裂要求.与不添加微晶蜡与4020的原配方相比,两者在硫化特性、物理性能、热老化性能和耐IRM903油性能方面无明显差别.

【作 者】

：

王峰 马妍 

【机 构】

：

南京利德东方橡塑科技有限公司,江苏南京 211500

【出 处】

：

特种橡胶制品

【发表日期】

：

2021年4期

【关键词】

：

NBR 耐臭氧性能 物理性能 热空气老化性能 

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论文部分内容阅读

研究了NBR的耐臭氧性能、物理性能、热老化性能以及耐1RM903油性能的变化.结果表明,在NBR配方中添加微晶蜡和防老剂4020可提高胶料的耐臭氧性能,且随着用量的增加,耐臭氧性能逐渐增大.当微晶蜡与4020用量分别为3份与2份时,硫化胶试样满足在拉伸20％、温度40℃、臭氧浓度为50×10-8、时间为72h下无龟裂要求.与不添加微晶蜡与4020的原配方相比,两者在硫化特性、物理性能、热老化性能和耐IRM903油性能方面无明显差别.

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