结果表明，选择酚醛树脂硫化体系、控制酚醛树脂用量为5 份以及EPDM／PP共混比为50／50，可以得到挤出表面最为光滑的共混物。
The results showed that the extrudate with the most smooth surface was obtained when 5 phr of phenolic resin and 50/50 blending ratio of EPDM/PP were used.
硫化体系采用酚酸树脂2402／氯化亚锡（8／0．5）、加入一定量的增塑剂邻苯二甲酸二辛酯和补强剂高耐磨炭黑，可获得性能较好的共混体。
A blend with better properties could be obtained by adding phenolic resin 2402/tin bichloride (8/0. 5) curative and a certain level of dioctyl phthalate plasticizer and HAF reinforcing agent.
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