Epoxysilane: A new crosslinker for water-borne polyurethane finishes

被引：0
|
作者：
Wu-Sheng, Wang [2 ]
Jun, Zeng [1 ]
De-Li, Ruan [1 ]
Feng, Zhong [1 ]
Cai-Yuan, Pan [2 ]
机构：
[1] Anhui Univ. Res. Ctr. Leather Chem., Hefei 230039, Anhui, China
[2] Department of Polymer Science, Univ. of Sci. and Technol. of China, Helfet 230039, Anhui, China
来源：
Journal of the Society of Leather Technologies and Chemists | 2000年 / 84卷 / 01期
关键词：
Adhesion - Crosslinking - Finishing - Morphology - Plastic coatings - Polyurethanes - Water borne coatings;
D O I：
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中图分类号：
学科分类号：
摘要：
The applications of carboxyl aqueous polyurethane dispersion cross-linked by epoxysilane for leather finishing have been reported. The crosslinking mechanism and morphology of crosslinked film were studied. It was found that the crosslinked film has a soft un-crosslinked continuous phase. The leather coating properties, such as wet rub-fastness, wet flexing resistance and wet adhesion were dramatically improved by the addition of epoxysilane. Dry flex resistance of crosslinked finish and lightfastness were little affected.
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页码：45 / 47
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