| 水性双组分丙烯酸-聚氨酯的合成与表征 |
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| 引用本文： | 周新华,涂伟萍,胡剑青.水性双组分丙烯酸-聚氨酯的合成与表征[J].粘接,2005,26(4):27-29. |
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| 作者姓名： | 周新华 涂伟萍 胡剑青 |
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| 作者单位： | 华南理工大学化工所,广东,广州,510640 |
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| 摘 要： | 使用相转化法,即将水溶性丙烯酸树脂和HDI缩二脲混合,然后加水稀释转相,制备了水性双组分丙烯酸聚氨酯。研究了丙烯酸树脂配方对双组分聚氨酯性能的影响,并用红外光谱(FTIR)对涂膜固化进行了表征。结果表明,以丙二醇甲醚醋酸酯为溶剂,在羟值为120 mgKOH·g-1、酸值为30 mgKOH·g-1的水溶性丙烯酸树脂中,添加10 %的甲基丙烯酸异冰片酯,获得的双组分聚氨酯乳液粒径小。室温干燥12 h,固化反应完成,涂膜交联密度高。
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| 关 键 词： | 水性聚氨酯 双组分 丙烯酸树脂 相转化 |
| 文章编号： | 1001-5922（2005）04-0027-03 |
| 收稿时间： | 2004-11-16 |
| 修稿时间： | 2004-11-16 |
Synthesis and characterization of two-component waterborne acrylic-polyurethane |
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| ZHOU Xin-hua,ZHANG Ling-juan,TU Wei-ping,Hu Jian-qing.Synthesis and characterization of two-component waterborne acrylic-polyurethane[J].Adhesion in China,2005,26(4):27-29. |
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| Authors: | ZHOU Xin-hua ZHANG Ling-juan TU Wei-ping Hu Jian-qing |
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| Affiliation: | ZHOU Xin-hua~1,ZHANG Ling-juan~2,TU Wei-ping~1,Hu Jian-qing~1 |
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| Abstract: | A two-component waterborne polyurethane(2K-WPU) was prepared by mixing water soluble acrylic resin and HDI biuret, and then diluting it to phase inversion with water. The effect of formula of acrylic resin on the performance of 2K-WPU was studied and the cured film of 2K-WPU was characterized by FTIR. It is shown that, ponent polyurethane emulsion with fine particle size can be achieved. When the film dried at room temperature for12 h, curing reaction can complete and the film has high crosslinking density. |
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| Keywords: | waterborne polyurethane two-component acrylic resins phase inversion |
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