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E/VAC与马来酸酐反应挤出接枝的研究
STUDY ON THE GRAFTING OF MALEIC ANHYDRIDE ON E/VAC BY REACTIVE EXTRUSION
【摘要】 用同向双螺杆挤出机进行E/VAC熔融接枝MAH的反应。考察了单体、引发剂用量和加工条件对接枝率及熔体流动速率的影响。结果表明,在E/VAC接枝MAH的反应中,接枝率随着DCP用量、MAH用量以及螺杆转速的增加出现峰值,较佳的实验配方为E/VAC:MAH:DCP=100:2:0.2。接枝反应对E/VAC的流动性有很大影响,接枝物的熔体流动速率随DCP用量的增加而下降。
【Abstract】 The grafting of Maleic Anhydride( MA) onto E/VAC has been accomplished by reactive extrusion. The effects of various parameters, such as monomer (MAH) , initiator(DCP) concentration and process condition on grafting percentage and melt index (MFR) wen-studied . The results showed that there was a peak of the grafting ratio when the contents of DCP and MAH were 0.2 parts and 2 parts respectively . The optimum screw rotate speed was 60 r/min.
- 【文献出处】 工程塑料应用 ,Engineering Plastics Application , 编辑部邮箱 ,2000年07期
- 【分类号】TQ316.3
- 【被引频次】17
- 【下载频次】150