双端硅改性SSBR合成及其在胎面胶中的应用研究
Study on the synthesis of silicon-containing anionic initiators and their application in modified SSBR
王妮妮1
作者信息
- 1. 中国石油化工股份有限公司北京化工研究院燕山分院 北京 102500;橡塑新型材料合成国家工程研究中心 北京 102500
- 折叠
摘要
通过以自合成的硅锂为引发剂,二乙烯基苯DVB为偶联剂,氯代硅烷为封端剂合成双端含有硅烷改性的溶聚丁苯橡胶,并研究其性能特点.结果表明,自合成的官能化硅锂引发剂,可以稳定获得90%以上收率,储存稳定性好、活性高;合成的双端含有硅改性的SSBR,与以n-BuLi为引发剂的SSBR性能对比,耐磨性提高6.5%,压缩生热降低4℃,滚动阻力降低21.5%,体现出优异的燃油经济性.
Abstract
A solution polymerized styrene butadiene rubber modified with silane at both ends was synthesized using self synthesized lithium silicon as the initiator,divinylbenzene DVB as the coupling agent,and chlorosilane as the blocking agent,and its performance characteristics were studied.The results showed that the self synthesized functionalized lithium silicon initiator can stably obtain a yield of over 90%,with good storage stability and high activity;The synthesized double ended SSBR containing silicon modification showed a 6.5%increase in wear resistance,a 4℃decrease in compression heat generation,and a 21.5%decrease in rolling resistance compared to SSBR using n-BuLi as the initiator,demonstrating excellent fuel economy.
关键词
SSBR/硅锂引发剂/封端剂/加工性能/动态性能Key words
SSBR/Silicon lithium initiator/Sealing agent/Processing performance/Dynamic performance引用本文复制引用
出版年
2024
NETL
NSTL
万方数据