分散剂B-52对白炭黑/天然橡胶复合材料性能的影响 |
Effect of Dispersant B-52 on Properties of Silica/NR Composites |
投稿时间:2019-07-06 修订日期:2019-07-06 |
DOI:10.12136/j.issn.1000-890X.2020.07.0523 |
中文关键词: 白炭黑 天然橡胶 复合材料 分散剂 动态力学性能 微观结构 |
英文关键词: silica NR composite dispersant dynamic mechanical property microstructure |
基金项目:广东省自然科学基金资助项目(2017A030310663, 2018A030307018,2018A0303070003);广东省教育厅“创新强校 工程”青年创新人才类科研项目(2016KQNCX107);茂名科技计 划资助项目(2019018002) |
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中文摘要: |
通过机械共混法制备白炭黑/天然橡胶(NR)复合材料,研究分散剂B-52用量对白炭黑/NR复合材料性能的影响。结果表明:随着分散剂B-52用量的增大,复合材料的t10和t90呈现出先延长后缩短的趋势,结合胶含量和表观交联密度提高,综合物理性能先提高后有所降低;当分散剂B-52用量为2份时,复合材料的综合物理性能最佳。 |
英文摘要: |
The silica/natural rubber(NR) composites were prepared by mechanical blending,and the effect of the addition level of dispersant B-52 on the properties of silica/NR composites was studied. The results showed that,with the increase of the addition level of dispersant B-52,the t10 and t90 of the composites were extended first and then shortened,bound rubber content and apparent cross-linking density increased,and comprehensive physical properties increased first and then decreased. The composites had the best comprehensive physical properties when the addition level of dispersant B-52 was 2 phr. |
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