| 低温柔韧型水性聚氨酯丙烯酸酯复合分散体的合成与性能 |
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| 引用本文： | 朱宁香,叶代勇,陈焕钦.低温柔韧型水性聚氨酯丙烯酸酯复合分散体的合成与性能[J].广东化工,2007,34(5):5-9. |
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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,广东,广州,510640 |
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| 基金项目： | 粤港关键领域重点突破项目招标课题(B10-B2050260) |
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| 摘 要： | 以甲苯二异氰酸酯(TDI-80)、聚醚二元醇(N220)、1,4-丁二醇(BDO)、二羟甲基丙酸(DMPA)、环氧树脂(E-20)和甲基丙烯酸甲酯(MMA)等用原位合成技术制备具有核壳结构的水性聚氨酯-丙烯酸酯(WPUA)复合分散体。研究了环氧树脂(E-20)、MMA加入量等对分散体及涂膜性能的影响,从而确定了最佳合成配方,获得了具有优良的低温成膜性好、贮存稳定性好、高硬度、耐有机溶剂性佳和附着力强的水性聚氨酯涂料。
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| 关 键 词： | 水性聚氨酯 环氧树脂 甲基丙烯酸甲酯 低温柔韧 |
| 修稿时间： | 2007-01-14 |
Synthesis and Properties of Waterborne Polyurethane/Acrylate Hybrid Dispersion with Excellent Flexibility at Low Temperature |
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| Zhu Ningxiang,Ye Daiyong,Chen Huanqin.Synthesis and Properties of Waterborne Polyurethane/Acrylate Hybrid Dispersion with Excellent Flexibility at Low Temperature[J].Guangdong Chemical Industry,2007,34(5):5-9. |
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| Authors: | Zhu Ningxiang Ye Daiyong Chen Huanqin |
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| Affiliation: | School of Chemical and Energy Engineering, South China University of Technology, Guangzhou 510640, China |
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| Abstract: | Waterborne polyurethane/acrylate dispersion(WPUA) with core/shell structure was synthesized using toluene diisocyanate(TDI-80),polyether polyds(N220),1,4-butanediol(BDO),2,2-dimethylol propionic acid(DMPA),epoxy resin(E-20) and methyl methacrylate(MMA).The effects of ratio of E-20 and MMA on the performance of the dispersion and its film were discussed.Then,an excellent dispersion with good flexibility,stability,high hardness,good solvent-resistance and good adhesion was obtained. |
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| Keywords: | waterborne polyurethane epoxy resin methyl-methacylate(MMA) high flexibility at low temperature |
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