混炼工艺对天然橡胶胶料中氧化锌粒子微细化的影响 |
Effect of Mixing Process on Micronization of ZnO Particles in NR Compound |
投稿时间:2018-09-19 修订日期:2018-09-19 |
DOI:10.12136/j.issn.1000-890X.2019.08.0619 |
中文关键词: 混炼工艺 氧化锌 粒子 聚集体 微细化 天然橡胶 |
英文关键词: mixing processes ZnO particles aggregates micronization NR |
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中文摘要: |
试验分析两个普通氧化锌样品的粒子形态,考察优化混炼工艺对天然橡胶胶料中两个氧化锌样品粒子的微细化作用。结果表明:普通氧化锌粒子聚集形成聚集体,2#氧化锌聚集体粒径明显大于1#氧化锌;胶料混炼时将氧化锌先于其他小料加入,能够使氧化锌粒子微细化,但效果不明显;采用一段母炼法混炼,能大幅度减小氧化锌粒子尺寸,改善硫化胶的综合性能。 |
英文摘要: |
The particles shapes of two kinds of conventional ZnO sample were analyzed in the test,the effect of optimized mixing process on the micronization of two ZnO particles in natural rubber(NR) compound was investigated.The results showed that ordinary ZnO particles aggregated to form aggregates,the aggregates size of 2# ZnO was obviously larger than that of 1# ZnO.ZnO aggregates could be micronizated by addation of ZnO prior to other minor materials,but the effect was not obvious.The particles sizes of two kinds of ZnO could be significantly decreased by one stage masterbatch,which resulted in the properties improvement of the vulcanizates . |
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