ESBR/PU复合混炼胶共硫化研究
Polyurethane Industry（2020）
Abstract
探讨了硫化体系和活性剂对乳聚丁苯橡胶(ESBR)/聚氨酯(PU)复合混炼胶以及聚氨酯混炼胶性能的影响.结果表明:采用硫磺硫化体系硫化的ESBR/PU力学性能较过氧化物硫化的优,但ESBR和PU二者的硫化动力学差异较大,难以达到良好的共硫化效果;添加进口活性剂NH-1能显著加快P U硫化速率,而自制复配活性剂FA的活化效率与NH-1相当;采用传统硫磺促进/活性体系,添加复配活性剂FA,能显著提升ESBR/PU共硫化效果和复合硫化胶的综合性能.
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