文章摘要
Effect of Extractives on Glass Transition Temperature of CR and its Blends
Received:September 13, 2023  Revised:September 13, 2023
DOI：10.12136/j.issn.1000-890X.2025.05.0342
Key Words: CR；BR；NR；extractive；glass transition temperature
Author NameAffiliationE-mail
dengfengyang* Zhuzhou Times New Material Technology Co.,Ltd dengfy@csrzic.com 
WANG Jin Zhuzhou Times New Material Technology Co.,Ltd  
HAN Ling Zhuzhou Times New Material Technology Co.,Ltd  
LIU Guojun Zhuzhou Times New Material Technology Co.,Ltd  
YANG Liu Zhuzhou Times New Material Technology Co.,Ltd  
SHEN Tanxiao Zhuzhou Times New Material Technology Co.,Ltd  
ZHOU Zhicheng Zhuzhou Times New Material Technology Co.,Ltd  
XIE Jinghui Zhuzhou Times New Material Technology Co.,Ltd  
CAI Shurong Zhuzhou Times New Material Technology Co.,Ltd  
GAO Wenjie Zhuzhou Times New Material Technology Co.,Ltd  
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Abstract:
      Effect of the extractive on the glass transition temperature（Tg） of chloroprene rubber（CR） and its blends was studied.The results showed that the influence trend of the extractives on the Tg of different types of rubber was different.For CR/butadiene rubber（BR）/natural rubber（NR） blend（vulcanizate），the extract increased the Tg of BR and decreased the Tg of CR and NR.For CR/BR/NR blend（vulcanizate），the extract had a smaller effect on the decreasing Tg of NR than on that of CR.For different rubber materials，the impact of the extractives on their Tg varied，and the extractives had little effect on the Tg of CR raw rubber.
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