| 丙烯酸接枝共聚改性聚氨酯的研究 |
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| 引用本文： | 刘艳丽,黄先威,龚习.丙烯酸接枝共聚改性聚氨酯的研究[J].湖南工程学院学报(自然科学版),2011(2):79-81. |
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| 作者姓名： | 刘艳丽 黄先威 龚习 |
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| 作者单位： | 湖南工程学院化学化工学院,湘潭411104 [2]中南大学材料科学与工程学院,长沙410000 |
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| 摘 要： | 以聚醚型聚氨酯（PU）预聚物同丙烯酸（AA）反应得到丙烯酸接枝聚氨酯的共聚物.用FT-IR表征了AA-g-PU共聚物的结构,研究了单体浓度、引发剂浓度、助剂浓度以及反应温度对接枝率的影响并确定了合成聚合物的最佳工艺条件;用DSC对聚合物进行了热性能分析并对聚合物进行了粘结性能测试.结果表明丙烯酸接枝聚氨酯后的共聚物结晶...
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| 关 键 词： | 聚氨酯 丙烯酸 接枝共聚 |
Study on Polyurethane Modified with Acrylic Acid Grafting Copolymerization |
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| LIU Yan-li,HUANG Xian-wei,GONG Xi.Study on Polyurethane Modified with Acrylic Acid Grafting Copolymerization[J].Journal of Hunan Institute of Engineering(Natural Science Edition),2011(2):79-81. |
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| Authors: | LIU Yan-li HUANG Xian-wei GONG Xi |
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| Institution: | LIU Yan-li1,HUANG Xian-wei1,GONG Xi2(1.School of Chemistry and Chemical Engineering Hunan Institute of Engineering,Xiangtan,411104 China,2.School of Materail Science and Engineering,Central South University,Changsha 410000,China) |
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| Abstract: | In this paper,the acrylic acid grafting polyurethane copolymer(AA-g-PU) is prepared by using polyether-polyurethane and acrylic acid as materials.The structure of AA-g-PU copolymer is characterized by FTIR.The effects of monomer concentration,initiator concentration,auxiliaries concentration and the reaction temperature on grafting ratio are studied and the optimal synthetic condition is determined.The thermal properties of copolymer are analyzed by DSC and the bonding properties are tested.The results show... |
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| Keywords: | polyurethane acrylic acid grafting copolymerization |
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