| 环氧改性混合聚醚型水性聚氨酯的合成及性能研究 |
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| 引用本文： | 王焕,徐恒志,张威,许戈文. 环氧改性混合聚醚型水性聚氨酯的合成及性能研究[J]. 中国皮革, 2011, 0(19) |
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| 作者姓名： | 王焕 徐恒志 张威 许戈文 |
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| 作者单位： | 安徽大学化学化工学院安徽省绿色高分子材料重点实验室; |
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| 摘 要： | 以异佛尔酮二异氰酸酯(IPDI)、聚醚多元醇(PPG-220)、聚醚多元醇(PPG-210)、环氧树脂(E-51)、二羟甲基丙酸(DMPA)等为主要原料,合成了一系列环氧树脂改性的水性聚氨酯(WPU)乳液。探讨了环氧树脂加入量和硬段含量对乳液和膜性能的影响。通过傅立叶变换红外光谱(FTIR)、耐化学品及拉伸测试,研究了改性树脂的结构、耐化学品性和力学性能;通过热重(TG)分析研究了聚合物膜的热性能。试验结果表明:一定量的环氧树脂改性可以明显增大聚氨酯的耐水性,且对提高聚氨酯硬段的热稳定性有帮助;随着体系硬段含量的上升,涂膜的吸水率增大,聚合物的耐热性降低。
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| 关 键 词： | 水性聚氨酯 环氧树脂 性能 |
Synthesis and Properties of Mixed Polyether-based Waterborne Polyurethane Modified by Epoxy Resin |
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| Wang Huan,Xu Hengzhi,Zhang Wei,Xu Gewen. Synthesis and Properties of Mixed Polyether-based Waterborne Polyurethane Modified by Epoxy Resin[J]. China Leather, 2011, 0(19) |
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| Authors: | Wang Huan Xu Hengzhi Zhang Wei Xu Gewen |
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| Affiliation: | Wang Huan,Xu Hengzhi,Zhang Wei,Xu Gewen (Anhui Key Laboratory of Environment-friendly Polymer Materials,School of Chemistry and Chemical Engineering,Anhui University,Hefei 230039,Anhui) |
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| Abstract: | Series of waterborne polyurethane (WPU) dispersions were prepared with isophorone diisocyanate (IPDI),polyether polyol (PPG-220),polyether polyol (PPG-210),epoxy resin (E-51) and dimethyopropionic acid (DMPA) as the main materials.And then the influence of amount of epoxy resin and hard segment on properties of prepared waterborne polyurethane emulsion and film was discussed.Fourier transform infrared spectroscopy,chemical resistance and tensile test were used to characterize the structure,chemical resistan... |
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| Keywords: | waterborne polyurethane epoxy resin property |
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