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PE—MAH的合成及其对PE/NBR的增容作用
引用本文:王益龙 黄葆同. PE—MAH的合成及其对PE/NBR的增容作用[J]. 现代塑料加工应用, 1995, 7(3): 33-36
作者姓名:王益龙 黄葆同
作者单位:大连理工大学化工学院高分子材料系 116012(王益龙),中国科学院长春应用化学研究所 研究员(黄葆同)
摘    要:聚乙烯(PE),马来酸酐(MAH)和过氧化二异丙苯(DCP)在溶液中反应,其产物经多次纯和红外光谱分析证明,MAH以化学链连接到PE分子链上,接枝率达0.5MAH/100E,即相当平均每个PE上接枝有10个MAH。用不同接枝率的聚乙烯接枝马来酸酐聚物(PE-MAH)作为极性差别较大的PE和丁腈橡胶(NBR)的相容剂,分别研究其接枝率和用量对共混物的拉伸强度和低温冲击强度的影响,结果发现:PE-MA

关 键 词:聚乙烯 马来酸酐 增容作用 接枝共聚 改性

THE SYNTHESIS OF PE-MAH AND ITS COMPATIBILIZATION FOR PE/NBR
Wang Yilong Huang Baotong. THE SYNTHESIS OF PE-MAH AND ITS COMPATIBILIZATION FOR PE/NBR[J]. Modern Plastics Processing and Applications, 1995, 7(3): 33-36
Authors:Wang Yilong Huang Baotong
Abstract:Polyethylene (PE), maleic anhydride (MAH) and dicumyl peroxide (DCP) reacted in solution, and the product was analysed by infrared spectrum after refining many times, it was proved that PE molecular backbone grafted MAH by chemical bond, the graft ratio was 0.5 MAH/100E or average 10 MAH per PE. PE-MAH with different graft ratio was used as compatibilizer of PE and NBR, and the influence of graft ratio and usage of the compatibilizer on tensile strenth and low-temperature impact strength of the blend was studied. It was found that PE-MAH increased the compatibility of PE/NBR. Observing the low temperature brittle fracture face of PE/NBR by electron scanning microscope, the compatibilization of PE-MAH was reflected clearly. A compatibilizing model also was introduced.
Keywords:Polyethylene  graft  maleic anhydride  compatibilization
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