文章摘要
Preparation and Properties of Lithium Silicate Modified Two-component Water-based Heat Resistant CR Adhesive
Received:April 17, 2024  Revised:April 17, 2024
DOI：10.12136/j.issn.1000-890X.2026.02.0106
Key Words: CR latex；water-based adhesive；lithium silicate；modification；adhesive property；heat resistance；stability
Author NameAffiliationE-mail
CHEN Junhua Zhaoqing University；Guangdong Provincial Key Laboratory of Environmental Health and Land Resource chenjunhua0530@163.com 
SHEN Xiao Zhaoqing University  
LI Fangneng Zhaoqing University  
XU Yuzhan Zhaoqing University  
LIU Quli Zhaoqing University  
TANG Weican Zhaoqing University  
CHEN Zhenxing 肇庆学院  
Li Xiang* Zhaoqing University；Guangdong Provincial Key Laboratory of Environmental Health and Land Resource lix@zqu.edu.cn 
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Abstract:
      A two-component water-based heat resistant chloroprene rubber（CR） adhesive was prepared by modification with lithium silicate.The effects of lithium silicate on the stability，adhesive property and heat resistance of the adhesive were studied.The results showed that the two-component water-based CR adhesive had good stability.With the increasing of the mass fraction of lithium silicate，the T-peel strength of the adhesive sample first increased and then decreased，which could reach a maximum of 3.8 kN·m-1.After adding lithium silicate，the glass transition temperature of the adhesive decreased，the initial decomposition temperature decreased，and the final decomposition temperature increased.Adding lithium silicate with a mass fraction of 10%～15% was beneficial to improving the heat resistance of the adhesive.The lithium silicate modified two-component water-based heat resistant CR adhesive could solve the problems of poor initial adhesive property and high temperature resistance of ordinary solvent-based CR adhesive.
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