Study on photocrosslinking of Ethylene-vinyl acetate copolymer/ Montmorillonite nano-composite

LI Zhenzhong; HE Wei; WANG Yuan; GUO Hongjun

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Study on photocrosslinking of Ethylene-vinyl acetate copolymer/ Montmorillonite nano-composite

更新时间：2023-03-30

- Study on photocrosslinking of Ethylene-vinyl acetate copolymer/ Montmorillonite nano-composite
- Journal of Radiation Research and Radiation Processing Vol. 25, Issue 3, Pages: 133-136(2007)
- 作者机构：
  
  1.中北大学分校高分子材料研究所　太原　030008
  2.北京工业大学材料科学与工程学院　北京　100022
- 作者简介：
- 基金信息：
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LI Zhenzhong, HE Wei, WANG Yuan, et al. Study on photocrosslinking of Ethylene-vinyl acetate copolymer/ Montmorillonite nano-composite. [J]. Journal of Radiation Research and Radiation Processing 25(3):133-136(2007)
DOI：

LI Zhenzhong, HE Wei, WANG Yuan, et al. Study on photocrosslinking of Ethylene-vinyl acetate copolymer/ Montmorillonite nano-composite. [J]. Journal of Radiation Research and Radiation Processing 25(3):133-136(2007) DOI：

摘要

采用紫外照射技术制备了交联乙烯-醋酸乙烯共聚物(Ethylene-vinyl acetate copolymer，EVA)有机蒙脱土(Montmorillonite，MMT) 纳米复合材料。分析了MMT对体系凝胶含量的影响，研究了照射时间、温度、样品厚度及实验气氛等实验条件对凝胶含量的影响。结果表明，MMT的存在对EVA的交联反应有良好的促进作用；照射2min，实验温度为100℃时，交联效果较好，体系的凝胶含量达到95%；照射氛围及样品厚度在照射初期对交联反应影响显著，照射2min后，对凝胶含量几乎无影响。

Abstract

Crosslinked ethylene-vinyl acetate copolymer/montmorillonite (EVA/MMT) nano-composite was prepared by UV irradiation. Effect of MMT on gel content of crosslinked EVA was analyzed. Other factors, such as time, temperature and atmosphere of the irradiation and thickness of the samples were studied. The results show that MMT could promote the crosslinking reaction, with the optimal conditions of 100℃ irradiation of 2 min, where the gel content could be 95%. Irradiation atmosphere and samples thickness affected the gel content notably at beginning of the irradiation, but they became less effective on the gel content after 2 min of irradiation.

关键词

乙烯-醋酸乙酯共聚物有机蒙脱土纳米复合材料紫外光辐照交联

Keywords

Ethylene-vinyl acetate copolymerMontmorilloniteNano-compositeUV IrradiationPhoto- crosslinking

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(College of Chemistry and Life Sciences, Zhejiang Normal University,,)

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