Effect of Surface Coating Modification on the Interfacial Bonding Performance of Aramid Fiber/NR |
Received:October 30, 2022 Revised:November 23, 2022 |
DOI:10.12136/j.issn.1000-890X.2024.08.0570 |
Key Words: AF;NR;coating modification;interface bonding performance |
Author Name | Affiliation | E-mail | MA Xiaoyuan* | Qingdao University of Science and Technology | mxydxz@126.com | CHEN Dongmei | Qingdao University of Science and Technology | | LI Rongxun | Qingdao University of Science and Technology | |
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Abstract: |
Surface coating modification of aramid fiber(AF) was carried out,AF/natural rubber(NR)vulcanizate was prepared,and the effect of surface coating modification on the interfacial bonding performance between AF and rubber matrix.The results showed that when AF was coated with either catechol-tetraethylenepentamine-ethylene glycol diglycidyl ether and tetramethyl tetravinyl cyclotetrasiloxane respectively,the coating could not participate in vulcanization due to volatilization,and the H extraction force of the vulcanizate did not increase,and the interfacial binding performance between AF and rubber matrix did not improve.Using polyisoprene liquid rubber and carboxylated polyisoprene liquid rubber to coat AF respectively,the H extraction force of the vulcanizate increased by 18% and 80% respectively,thus the best effect was achieved by coating LIR-410 on AF,and the interface bonding performance between AF and rubber matrix was significantly improved.This method had almost no effect on the performance of AF and rubber matrix. |
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