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요약정보
提高乳聚丁苯橡胶SBR1502的聚合转化率 / Increasing monomer conversion of emulsion polymerized SBR 1502
Resource Type
Academic Journal
Authors
陆书来
;
段良伟
;
付愉
;
祝君
;
单崇杰
;
李永茹
;
殷兰
;
隋军
;
张冠英
;
LU Shu-lai
;
DUAN Liang-wei
;
FU Yu
;
ZHU Jun
;
SHAN Chong-jie
;
LI Yong-ru
;
YIN Lan
;
SUI Jun
;
ZHANG Guan-ying
Source
弹性体 / CHINA ELASTOMERICS
. 17(1):1-6
Subject
丁苯橡胶
聚合转化率
聚合速率
门尼粘度
凝胶含量
胶乳粘度
性能
Language
Chinese
ISSN
1005-3174
Online Access
Find it @ DONGA
초록
以吉林石化公司丁苯橡胶1502为研究对象,以12 h内聚合转化率达到(70±2)%、产品性能与(62±2)%时相当为研究目标,首先考察了在标准配方条件下,提高丁苯橡胶聚合转化率对丁苯橡胶反应时间、生胶门尼粘度、结合苯乙烯含量、凝胶含量和胶乳粘度的影响,在此基础上系统研究了分子量调节剂(硫醇)总量、补加量和补加时机对生胶门尼粘度、凝胶含量的影响;电解质用量对胶乳粘度、生胶门尼粘度和聚合速率的影响;补加软水对聚合速率和胶乳粘度的影响;单体纯度对聚合速率的影响;乳化剂用量、乳化剂补加量对聚合速率的影响,并对比测定了不同转化率丁苯橡胶生胶和硫化胶的性能.研究结果表明,在不改变原材料品种和规格的前提下,经过聚合配方和工艺条件的调整,在12 h内可以使丁苯橡胶1502聚合转化率由(62±2)%提高到(70±2)%,并确保70%转化率丁苯橡胶的性能指标全部达到优级品标准.
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