文章摘要
Improving Properties of Natural Rubber Latex Film Reinforced with Silica
Received:August 18, 2022  Revised:August 18, 2022
DOI：10.12136/j.issn.1000-890X.2024.04.0277
Key Words: silica；natural latex；rubber film；formula optimization
Author NameAffiliationE-mail
FANG Haobin Hainan University 21220856000011@hainan.edu.cn 
DU Jie Hainan University  
ZHENG Hongbing Shandong Chambroad Sinopoly New Material Co.，Ltd  
LUAN Bo Chambroad （Hainan） Advanced Material Co.，Ltd  
XIONG Zihan Hainan University  
CHEN Wenlin Hainan University  
HE Yingping* Hainan University 990344@hainanu.edu.cn 
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Abstract:
      Silica was used to reinforce the natural rubber latex film，and the effects of the dosages of sulfur，accelerator PX，zinc carbonate and silica on physical properties of the vulcanized rubber film were studied by orthogonal test.The results showed that，taking the tensile strength of the vulcanized rubber film as the index，the influences of the four factors in descending order were accelerator PX，silica，zinc carbonate and sulfur.the optimal dosages were 0.9 phr of accelerator PX，1.11 phr of silica，0.6 phr of zinc carbonate and 1 phr of sulfur，and the tensile strength of the corresponding formulated vulcanized rubber film reached 31.37 MPa.Taking the tear strength of the vulcanized rubber film as the index，the influences of the four factors in descending order were silica，accelerator PX，sulfur and zinc carbonate，the optimal dosages were 1.31 phr of silica，0.7 phr of accelerator PX，1.25 phr of sulfur and 0.5 phr of zinc carbonate，and the tear strength of the corresponding formulated vulcanized rubber film reached 65 kN·m-1.
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