| 铕杂EVA透明光转换膜的制备及交联动力学 |
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| 引用本文： | 刘灿培,章华桂,康福士,吴贺君.铕杂EVA透明光转换膜的制备及交联动力学[J].高分子材料科学与工程,2011(7):143-146. |
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| 作者姓名： | 刘灿培 章华桂 康福士 吴贺君 |
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| 作者单位： | 福建师范大学化学与材料学院福建省高分子材料重点实验室 |
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| 基金项目： | 福建省自然科学基金资助项目(E0510016);福建省大学生创新性实验计划(Fjnu2008-005);福建师范大学本科生课外科技计划(BKL2007026)资助项目 |
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| 摘 要： | 将乙烯-乙酸乙烯酯共聚物（EVA）和乙酸乙烯酯-丙烯酸铕共聚物（VAA-Eu）的共混物（EVA/VAA-Eu）制成掺杂铕交联型透明光转换膜材料。紫外-可见吸收光谱和荧光光谱分析,表明此材料能将紫外线转换成蓝紫光和红光,作为农膜,可促进绿色植物的光合作用,提高阳光的利用效率。以硫化仪研究EVA/VAA-Eu的交联行为和动...
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| 关 键 词： | 乙烯-乙酸乙烯酯共聚物 光转换 交联 动力学 |
Preparation and Crosslinking Behavior Kinetics of Doped Europium EVA Transparent Light Conversion Film |
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| Canpei Liu,Huagui Zhang,Fushi Kang,Hejun Wu.Preparation and Crosslinking Behavior Kinetics of Doped Europium EVA Transparent Light Conversion Film[J].Polymer Materials Science & Engineering,2011(7):143-146. |
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| Authors: | Canpei Liu Huagui Zhang Fushi Kang Hejun Wu |
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| Affiliation: | (College of Chemistry and Materials Science,Fujian Normal University,Fujian KeyLaboratory of Polymer Materials,Fuzhou 350007,China) |
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| Abstract: | A crosslinked transparent doped europium light conversion film material was prepared from the blend(EVA/VAA-Eu) of ethylene-vinyl acetate copolymer(EVA) and vinyl acetate-europium acrylate copolymer(VAA-Eu).The crosslinked EVA/VAA-Eu material,which has been characterized by UV-vis and fluorescence spectrometry,has abilities for converting ultraviolet rays into blue-violet and red light.The film was used as a agricultural film that could promote green plant photosynthesis and its utilization efficiency to the sun light.Crosslinking behavior and kinetics of EVA/VAA-Eu were investigated by using a rheometer.Results show that crosslinking apparent activation energy is by 114 kJ/mol~121 kJ/mol and frequency factor is by 2.64×1011~2.16×1012.On the crosslinking condition that dicumyl peroxide by 1.0 phr and at the optimum crosslinking temperature of 448 K,it takes 2 s~3 s of equivalent crosslinking time to prepare a crosslinked EVA/VAA-Eu film with thickness of 20 μm~50 μm.Mechanical properties of the crosslinked EVA/VAA-Eu were also investigated. |
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| Keywords: | ethylene-vinyl acetate copolymer light conversion crosslinking kinetics |
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