| 不同反应压力下乙烯-乙酸乙烯酯树脂的制备及研究 |
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| 引用本文： | 孙瑞朋,金铁玲,林明涛,储富祥,王春鹏.不同反应压力下乙烯-乙酸乙烯酯树脂的制备及研究[J].应用化工,2012(3):409-411,414. |
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| 作者姓名： | 孙瑞朋 金铁玲 林明涛 储富祥 王春鹏 |
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| 作者单位： | 中国林业科学研究院林产化学工业研究所林产化学工程重点开放性实验室;中国林业科学研究院林业新技术实验室 |
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| 基金项目： | 国家林业局林业行业专项(201104004);浙江省省院合作项目(2009SY01) |
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| 摘 要： | 在不同反应乙烯压力下制备乙烯-乙酸乙烯酯(EVA)共聚物,研究不同反应乙烯压力对EVA分子结构、树脂固含量、玻璃化转变温度(Tg)和特性粘数η]的影响,并用热裂解法对EVA和乙烯-乙烯醇共聚物(EVOH)进行分析。研究表明,随着反应压力的升高,EVA分子结构中的亚甲基质子峰开始向高磁场移动,树脂固含量逐渐增加,玻璃化转变温度(Tg)和特性粘数η]逐渐降低,并且1.533 min处的峰是EVA分子中乙酸酯基团的热裂解特征峰。
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| 关 键 词： | 乙烯压力 EVA树脂 EVOH树脂 固含量 特性黏数 |
Preparation and research of ethylene-vinyl acetate resin at different reaction pressures |
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| SUN Rui-peng,JIN Tie-ling,LIN Ming-tao,CHU Fu-xiang,WANG Chun-peng.Preparation and research of ethylene-vinyl acetate resin at different reaction pressures[J].Applied chemical industry,2012(3):409-411,414. |
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| Authors: | SUN Rui-peng JIN Tie-ling LIN Ming-tao CHU Fu-xiang WANG Chun-peng |
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| Affiliation: | 1,2(1.Key and Open Laboratory on Forest Chemical Engineering,Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry,Nanjing 210042,China;2.Forestry Institute for New Technologies, Chinese Academy of Forestry,Beijing 100091,China) |
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| Abstract: | The EVA was synthesized under different reaction pressures.By analyzing the molecular structure,the solid content,the glass transition temperature(Tg),the intrinsic viscosity number,and the thermal cracking patterns of EVA and EVOH resin,the EVA and EVOH resin were studied.The results showed that with increasing ethylene reaction pressure,the methylene proton peak was in the higher magnetic field and the solid content of the resin increased,but the Tg and theη]decrased.In addition,there was a characteristic peak in the 1.533 min on the thermal cracking patterns of EVA. |
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| Keywords: | ethylene pressure ethylene-vinyl acetate resin ethylene-vinyl alcohol resin solid content intrinsic viscosity number |
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