摘要
研究了三元乙丙橡胶熔融接枝甲基丙烯酸缩水甘油酯（ＧＭＡ）的接枝反应温度、过氧化二异丙苯（ＤＣＰ）及ＧＭＡ用量对ＥＰＤＭ－ｇ－ＧＭＡ／ＮＲ动态硫化共混物力学性能的影响。结果表明：与直接静态硫化胶相比，动态硫化胶的拉伸强度提高了４８．２％；接枝反应温度为１６０℃、ＤＣＰ用量为０．３份、ＧＭＡ用量为３～５份时，动态硫化共混物的力学性能较好。另外红外光谱测试结果表明，在ＥＰＤＭ上已成功接枝了ＧＭＡ。
he melt grafting of glycidyl methacrylate (GMA)onto ethylene propylen diene monomer(EPDM)using dicumyl peroxide (DCP)as radical initiator was studied ,and the influence of grafting temperature, the amount of DCP and GMA on dynamically vulcanized EPDM/NR blends was investigated. The success of grafting GMA onto EPDM was characterized by FTIR. The test of tensile strength of EPDM-g-GMA/NR blends prepared by dynamic vulcanization showed that the cure compatibility of EPDM and NR was greatly improved.
出处
《合成橡胶工业》
CAS
CSCD
1998年第2期75-79,共5页
China Synthetic Rubber Industry
基金
国家自然科学基金
关键词
改性
硫化
老化
共混物
甲基丙烯酸酯
EPDM
NR
ethylene propylene diene monomer
graft modification
glycidyl methacrylate
NR
dynamic vulcanization
