| 低温快固化丙烯酸聚氨酯涂料的发展现状 |
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| 引用本文： | 王淑娟,马晓阳,井新利,汤汉良.低温快固化丙烯酸聚氨酯涂料的发展现状[J].涂料工业,2011,41(12):67-70,75. |
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| 作者姓名： | 王淑娟 马晓阳 井新利 汤汉良 |
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| 作者单位： | 1. 西安交通大学理学院应用化学系,西安,710049
2. 广州浩宇化工科技有限公司,广州,510540 |
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| 基金项目： | 汽车原厂修补通用水性金属闪光底色漆的产业化研究 |
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| 摘 要： | 从丙烯酸聚氨酯涂料的固化反应机理出发,系统分析了树脂、固化剂、催化剂和环境因素对丙烯酸聚氨酯涂层干燥速度的影响,重点讨论了羟基单体的种类和用量、亚胺结构的引入、玻璃化转变温度、相对分子质量及其分布、酸值及分子链结构等因素对树脂反应活性的影响。通过对目前低温快固化涂料研究中存在的问题的分析,指出精确控制树脂分子结构是实现修补涂料低温快固化的有效途径。
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| 关 键 词： | 低温快固化 汽车修补涂料 双组分聚氨酯 羟基丙烯酸树脂 |
Progress in Development of Rapid Curing Acrylic -Polyurethane Coatings at Low Temperature |
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| Wang Shujuan,Ma Xiaoyang,Jing Xingli,Tang Hanliang.Progress in Development of Rapid Curing Acrylic -Polyurethane Coatings at Low Temperature[J].Paint & Coatings Industry,2011,41(12):67-70,75. |
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| Authors: | Wang Shujuan Ma Xiaoyang Jing Xingli Tang Hanliang |
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| Affiliation: | Wang Shujuan1,Ma Xiaoyang1,Jing Xingli1,Tang Hanliang2(1.Department of Applied Chemstry,School of Science,Xi'an Jiaotong University,Xi'an 710049,China,2.Guangzhou Haoyu Chemical Industry Technology Co.,Ltd,Guangzhou 511500,China) |
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| Abstract: | It is the urgent need for automotive refinishing coatings to cure quickly at low temperature.The curing mechanism of acrylic polyurethane coating and factors such as the resin,curing agent,catalyst and curing conditions which affect the drying rate of acrylic polyurethane coatings were analyzed in this article.Effects of type and the amount of hydroxyl monomers,the introduction of imine structure,glass transition temperature,molecular weight and its distribution,acid value and molecular chain structure on t... |
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| Keywords: | low temperature fast-curing automotive refinishing coatings two component polyurethane hydroxyl acrylic resin |
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