PPR/EPDM/POE-g-MA/OMMT nanocomposites with superior low-temperature toughness based on embedded OMMT within compound rubber dispersion phase
文献类型： 外文期刊
作者： Qiu, Biwei 1 ; Li, Zhi 1 ; Chen, Feng 2 ; Shi, Jiangao 3 ; Zhang, Mingyu 4 ; Shangguan, Yonggang 2 ; Zheng, Qiang 2 ;
作者机构： 1.Univ Shanghai Sci & Technol, Sch Mat & Chem, Shanghai 200093, Peoples R China
2.Zhejiang Univ, Dept Polymer Sci & Engn, MOE Key Lab Macromol Synth & Functionalizat, Hangzhou 310027, Peoples R China
3.Chinese Acad Fishery Sci, East China Sea Fisheries Res Inst, Shanghai 200090, Peoples R China
4.Northwestern Polytech Univ, Sch Chem & Chem Engn, Xian 710129, Peoples R China
5.Taiyuan Univ Technol, Coll Mat Sci & Engn, Taiyuan 030024, Peoples R China
6.Shanxi Zheda Inst Adv Mat & Chem Engn, Taiyuan 030024, Peoples R China
关键词： Low-temperature toughening; Synergistic effect; Compound rubber
期刊名称：POLYMER （ 影响因子：4.1； 五年影响因子：3.9 ）
ISSN： 0032-3861
年卷期： 2024 年 309 卷
页码：
收录情况： SCI
摘要： A new approach to produce polypropylene random copolymer/ethylene propylene diene monomer/polyolefin elastomers modified with maleic anhydride/organic modified nanomontmorillonite (PPR/EPDM/POE-g-MA/ g-MA/ OMMT) nanocomposites with superior low-temperature toughness was conducted. The brittle-ductile transition temperature (Tbd) T bd ) of PPR/EPDM/POE-g-MA/OMMT g-MA/OMMT nanocomposites reduced from-20 degrees C to-40 degrees C. The incorporation of POE-g g-MA results in the distribution of OMMT changing from the interfacial distribution into dispersed inside rubber phase and a compound rubber dispersed phase in PPR/EPDM/POE-g-MA/OMMT g-MA/OMMT nanocomposites was comprised of EPDM, POE-g g-MA and embedded OMMT. The synergistic effect of POE-g g-MA and OMMT was considered to result from the special compound rubber dispersed phase consisting of EPDM and POE-g g-MA as well embedded OMMT, which led to the reduction in space between rubber domains and the increase in internal friction and ultimately brought about the remarkable enhancement in mechanical properties.
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