文献类型：期刊文献

英文题名：A novel grafting-modified waste rubber powder as filler in natural rubber vulcanizates

作者：Yu, Ruobing[1];Gong, Zhaohong[1];Guo, Weihong[1];Zhang, Haibin[2];Liu, Chunling[2]

机构：[1]E China Univ Sci & Technol, Sch Mat Sci & Engn, Shanghai 200237, Peoples R China;[2]China Eastar Holdings Grp Co Ltd, Jinan 257506, Shandong, Peoples R China

年份：2016

卷号：133

期号：6

外文期刊名：JOURNAL OF APPLIED POLYMER SCIENCE

收录：;EI(收录号：20154801630840);WOS:【SCI-EXPANDED(收录号:WOS:000365524100026)】；

语种：英文

外文关键词：composites; grafting; mechanical properties; rubber

摘要：Polycardanol was synthesized from cardanol, paraformaldehyde, p-toluenesulfonic acid, phosphoric acid (H3PO4), and phosphorus pentoxide (P2O5) via a two-step process. Results indicated that polycardanol is an acid with high molecular weight and can be self-crosslinked at high temperature. A modified WRP (MWRP) grafted by long chain can be obtained from the reaction between WRP and polycardanol. The sulfur content of MWRP is 0.27%, which is lower than that of WRP by 0.47%. The oxygen content of MWRP is higher by 13% than that of WRP. The phosphorus content of MWRP reaches 5.25%. The water contact angle of MWRP is 91.5 degrees, whereas that of WRP is 123.7 degrees. The properties of the WRP/NR and MWRP/NR composites were also investigated. MWRP/NR possesses higher tensile strength than WRP/NR because of the enhanced interfacial interaction between MWRP and the NR matrix. Post-treatment is also conducive for MWRP/NR to improve its tensile strength at high MWRP content. (c) 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 133, 42993.