| 低温柔韧型高硬度水性聚氨酯分散体的合成与性能研究 |
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| 引用本文： | 朱宁香,叶代勇,陈焕钦.低温柔韧型高硬度水性聚氨酯分散体的合成与性能研究[J].上海涂料,2007,45(3):29-33. |
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| 作者姓名： | 朱宁香 叶代勇 陈焕钦 |
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| 作者单位： | 华南理工大学,化工与能源学院,广州,510640;广东嘉宝莉化工有限公司,江门,529085;华南理工大学,化工与能源学院,广州,510640 |
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| 基金项目： | 粤港关键领域重点突破项目 |
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| 摘 要： | 制备了具有核壳结构的水性聚氨酯-丙烯酸酯（WPUA）复合分散体。研究了NCO／OH摩尔比、醇扩链剂、亲水性扩链剂、E-20、MMA等对分散体及涂膜性能的影响，从而确定了最佳合成配方，获得了低温成膜性好、贮存稳定性好、高硬度、耐水性佳的水性聚氨酯分散体及其涂料。
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| 关 键 词： | 水性聚氨酯 环氧树脂 甲基丙烯酸甲酯 |
| 文章编号： | 1009-1696（2007）03-0029-05 |
| 收稿时间： | 2007-01-29 |
| 修稿时间： | 2007年1月29日 |
Synthesis and Performance Research of Water-borne Polyurethane Dispersion with High Hardness and Excellent Flexibility at Low Temperature |
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| ZHU Ning-xiang,YE Dai-yong,CHEN Huan-qin.Synthesis and Performance Research of Water-borne Polyurethane Dispersion with High Hardness and Excellent Flexibility at Low Temperature[J].Shanghai Coatings,2007,45(3):29-33. |
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| Authors: | ZHU Ning-xiang YE Dai-yong CHEN Huan-qin |
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| Affiliation: | ZHU Ning-xiang YE Dai-yong CHEN Huan-qin |
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| Abstract: | Water-borne polyurethane/acrylate dispersion(WPUA)with core/shell structure was prepared.The influences of ratio of NCO/OH,and chain extender etc.upon the performance of the dispersion and its film were discussed.An excellent polyurethane dispersion with good flexibility,stability,high hardness,good water-resistance was obtained. |
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| Keywords: | water-borne polyurethane epoxy resin methyl-methacylate(MMA) |
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