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白炭黑水分散体质量分数对天然橡胶/白炭黑湿法混炼胶料性能的影响 被引量:4

Effect of Mass Fraction of Silica Slurry on Properties of NR/Silica Wet Mixing Compound
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摘要 采用湿法混炼工艺,将4种不同质量分数的白炭黑水分散体与天然乳胶混合制备出天然橡胶/白炭黑胶料。结果表明,当白炭黑水分散体质量分数为0. 25时,白炭黑在橡胶中的分散性较好,混炼胶门尼粘度较低,硫化性能较好,硫化胶的定伸应力、拉伸强度、撕裂强度较大,磨损率较小,抗湿滑性能较好,滚动阻力较低。 The NR/silica compounds were prepared by wet mixing process and using four silica slurries with different mass fractions of silica,respectively. The results showed that,when the mass fraction of silica in the slurry was 0. 25,the dispersion of silica in rubber was better,Mooney viscosity of the compound was lower,curing properties were better,modulus,tensile strength and tear strength of the vulcanizate were larger,abrasion was smaller,wet skid resistance was better,and rolling resistance was lower.
作者 边慧光 刘洁 宋凤鹏 李海涛 肖培光 汪传生 BIAN Huiguang;LIU Jie;SONG Fengpeng;LI Haitao;XIAO Peiguang;WANG Chuansheng(Qingdao University of Science and Technology,Qingdao 266061,China)
出处 《橡胶工业》 CAS 2018年第11期1261-1265,共5页 China Rubber Industry
基金 山东省成果转化项目(2014CGZH0405) 山东省科技发展计划项目(2013TD16006) 山东省高等学校科技计划项目(J15LB73) 青岛市应用基础研究计划项目(16-5-1-100-jch)
关键词 白炭黑水分散体 天然橡胶 湿法混炼 质量分数 门尼粘度 物理性能 滚动阻力 silica slurry nature rubber wet mixing mass fraction Mooney viscosity physical property rolling resistance
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