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马来酸酐紫外辐照接枝高密度聚乙烯的制备及表征
引用本文:李振中,何伟,马雅琳,张文熊.马来酸酐紫外辐照接枝高密度聚乙烯的制备及表征[J].辐射研究与辐射工艺学报,2006,24(6):341-344.
作者姓名:李振中  何伟  马雅琳  张文熊
作者单位:北京工业大学材料科学与工程学院,北京,100022;中北大学分校高分子材料研究所,太原,030008;北京工业大学材料科学与工程学院,北京,100022;中北大学高分子与生物工程研究所,太原,030051
摘    要:采用紫外辐照技术制备了高密度聚乙烯-马来酸酐接枝物(HDPE—g—MAH),并用红外光谱对接枝物进行了表征。研究了紫外光辐照时间、单体及引发剂浓度、第二单体苯乙烯(St)等因素对接枝率及凝胶含量的影响。结果显示,辐照时间为30s时,接枝效果最佳。马来酸酐(Maleic anhydride,MAH)用量的增加使接枝率不断上升,而接枝效率则在MAH含量为5.2%时达到最大值,之后开始下降。光引发剂二苯甲酮(Benzophenone,BP)的用量对接枝率及凝胶含量有重要影响,其用量为0.5%时接枝效果较好;St的加入使接枝物的凝胶含量显著降低。

关 键 词:马来酸酐  紫外辐照  接枝  高密度聚乙烯
收稿时间:2006-07-24
修稿时间:2006-09-21

Preparation and characterization of maleic anhydride grafted high density polyethylene induced by UV irradiation
LI Zhenzhong,HE Wei,MA Yalin,ZHANG Wenxiong.Preparation and characterization of maleic anhydride grafted high density polyethylene induced by UV irradiation[J].Journal of Radiation Research and Radiation Processing,2006,24(6):341-344.
Authors:LI Zhenzhong  HE Wei  MA Yalin  ZHANG Wenxiong
Affiliation:1.College of Materials Science and Engineering, Beijing University of Technology, Beijing 100022; 2.Institute of Polymeric Material, North University of China, Ying Xin Branch, Taiyuan 030008; 3Institute of Macromolecules and Bioengineering of North University of China, Taiyuan 030051
Abstract:Maleic anhydride grafted high density polyethylene (HDPE-g-MAH) were prepared by UV-irradiation. Factors of the irradiation time, monomer content, initiator content, and styrene as a co-monomer on the grafting rate and gel content of HDPE-g-MAH were studied. The results show that the optimal duration of UV-irradiation is 30s. The grafting rate increases with MAH content, while the grafting efficiency increases up to 5.2% MAH, where it drops. The content of benzophenone (BP) affects greatly the grafting rate and gel content, and the optimal BP content is 0.5%. Adding styrene into the graft system reduces apparently the gel content of HDPE-g-MAH.
Keywords:Maleic anhydride  UV Irradiation  Grafting  High density polyethylene
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