| 环氧树脂改性水性聚氨酯皮革涂饰剂的性能研究 |
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| 引用本文： | 董伟,陈政,辛中印,吴杨远.环氧树脂改性水性聚氨酯皮革涂饰剂的性能研究[J].皮革科学与工程,2011,21(4). |
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| 作者姓名： | 董伟 陈政 辛中印 吴杨远 |
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| 作者单位： | 四川大学制革清洁技术国家工程实验室,四川成都,610065 |
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| 基金项目： | 四川大学-德国司马公司创新奖学金 |
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| 摘 要： | 采用机械共混法制备了环氧树脂改性水性聚氨酯涂饰剂,研究了环氧树脂用量对涂饰剂乳液及涂膜性能的影响。结果表明:环氧树脂用量为8%时,涂饰剂的乳液稳定性仍较好;随着环氧树脂的加入量增大,乳液黏度和表面张力增大,乳液的平均粒径变大;涂膜的抗张强度、耐水、耐溶剂、耐酸、耐碱、耐盐性能随着环氧树脂用量的增加而提高,而涂膜断裂伸长率和回弹性随着环氧树脂用量的增加而下降。
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| 关 键 词： | 水性聚氨酯 环氧树脂 涂饰剂 涂膜性能 |
Study on the Properties of Waterborne Polyurethane Finishing Agent Modified by Epoxy Resin |
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| DONG Wei,CHEN Zheng,XIN Zhong-yin,WU Yang-yuan.Study on the Properties of Waterborne Polyurethane Finishing Agent Modified by Epoxy Resin[J].Leather Science and Engineering,2011,21(4). |
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| Authors: | DONG Wei CHEN Zheng XIN Zhong-yin WU Yang-yuan |
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| Affiliation: | DONG Wei,CHEN Zheng,XIN Zhong-yin,WU Yang-yuan(National Engineering Laboratory for Clean Technology of Leather Manufacture,Sichuan University,Chengdu 610065,China) |
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| Abstract: | Epoxy resin modified water-borne polyurethane finishing agent(E-PU) was prepared by mechanical blending,the influence of epoxy resin dosage to emulsion and film properties of finishing agent was studied.The results indicate that: when used 8% of the amount of epoxy resin,emulsion stability is still good.With the addition of epoxy resin,viscosity,surface tension and the average particle size distribution of emulsion increased.Tensile strength,water-resistance,solvent-resistance,acid-resistance,alkali-resista... |
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| Keywords: | water-borne polyurethane epoxy resin finishing agent properties of the film |
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