2014•China ElastomericsRequires access

Effect of vulcanization system on properties of pilot product EPDM of Yan Hua

Xie Xiaoran, Hongliang Qu, Ruixian Zhang

Abstract

研究了硫黄硫化体系和过氧化物体系对燕化中试产品三元乙丙橡胶(EPDM)性能的影响.实验结果表明,硫黄硫化体系中硫黄用量为1.5份时胶料物理机械性能最好;硫黄用量为2份时,胶料耐热老化性能最好.硫黄硫化体系中,二硫化四基秋兰姆(TMTDM)、2硫醇基苯并噻唑(M)和N-环己基-2-苯并噻唑次磺酸胺(CZ)3种促进剂并用时协同作用较好,胶料硫化速度最快,力学性能最好;促进剂TMTD用量为1.5份时,胶料压缩永久变形最小,耐热性能最好.过氧化物硫化体系中,当DCP用量由2份增加至5份时,胶料硫化速度提高,力学性能下降,压缩永久变形性能有一定改善.三烯丙基异氰脲酸酯(TALC)用量为5份时,胶料压缩永久变形最小,耐热氧老化性能最好.

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Available abstract

Key concepts: Vulcanization, Materials science, Composite material, EPDM rubber, Polymer science, Natural rubber