紫外光固化聚氨酯膜的制备及其在棉织物涂层整理中的应用

纺织学报 ›› 2014, Vol. 35 ›› Issue (6): 89-0.

紫外光固化聚氨酯膜的制备及其在棉织物涂层整理中的应用

生态纺织教育部重点实验室（江南大学）

收稿日期:2013-06-18 修回日期:2014-01-18 出版日期:2014-06-15 发布日期:2014-06-09
基金资助:
国家自然科学基金资助项目；江苏省联合创新基金—前瞻性联合研究项目

UV light-curing preparation of polyurethane film and its application in coating finishing of cotton fabric

Received:2013-06-18 Revised:2014-01-18 Online:2014-06-15 Published:2014-06-09

摘要/Abstract

摘要： 以聚氨酯丙烯酸酯、三缩丙二醇丙烯酸酯（TPGDA）、光引发剂184和乙酸乙酯为主要原料，采用UV光固化方法进行了聚氨酯膜的制备，对膜材料的耐日晒、耐磨性、吸水及溶失性能进行了分析，借助于红外、热重对膜结构与性能进行了表征；同时考察了该光固化方法在棉织物整理中的应用效果，对涂层试样的表面形态（SEM）、耐水性及断裂强力等进行了分析。结果表明,光固化膜在300℃以下结构稳定，有较好的耐日晒和耐磨性，吸水性较低，耐溶失性较好，经光固化涂层整理的棉织物表面接触角达128.6o，织物防水性和断裂强力均优于未处理棉织物。

关键词: UV固化, 聚氨酯, 纯棉织物, 涂层整理

Abstract: In the present work, the preparation methods of polyurethane film based on UV light-curing reaction were discussed, using the materials of polyurethane acrylate, tri-propylene glycol diacrylate, Darocure 184 and ethyl acetate. The properties of the UV-cured film were analyzed, including wear resistance, water absorption and its solubility as well. The structure and performance of the film were also characterized by using FTIR and TGA. The characteristics of surface morphology, contact angel and tensile strength, for the coated cotton fabrics based on the UV curing method were compared, respectively. The result indicated that the UV-curing method imparted satisfactory properties to the polyurethane film, such as stability of structure at less than 300℃, acceptable fastness to sunlight, abrasion resistance, low water absorption and solubility. The contact angle for the coated cotton fabric reached to 128.6o after UV-cured reaction, meanwhile, waterproof and tensile strength were noticeably better as compared with that of the blank without finishing．

Key words: UV-curing, polyurethane, pure cotton fabric, coating finishing

中图分类号:

宋玉吴敏计丽虹王平. 紫外光固化聚氨酯膜的制备及其在棉织物涂层整理中的应用[J]. 纺织学报, 2014, 35(6): 89-0.

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