纺织学报 ›› 2019, Vol. 40 ›› Issue (06): 64-67.doi: 10.13475/j.fzxb.20180603604

• 染整与化学品 • 上一篇    下一篇

紫外光固化密胺树脂的合成及涂层织物性能测试

  

  • 收稿日期:2018-06-08 修回日期:2019-03-18 出版日期:2019-06-15 发布日期:2019-06-25

Synthesis of UV curing melamine resin and performance testing of its coating fabric

  • Received:2018-06-08 Revised:2019-03-18 Online:2019-06-15 Published:2019-06-25

摘要:

采用丙烯酸羟乙酯(HEA)改性甲醚化密胺树脂(HMMM),引入了不饱和C C 双键,增加密胺树脂的光固化性能,成功合成了氨基丙烯酸酯(HEA-MF),制备得到紫外光(UV)固化密胺树脂,并利用红外光谱分析了产物的结构;制备了光固化密胺树脂膜和涂层织物,借助热重分析仪表征膜的热性能,并对涂层织物的力学性能、硬挺度、耐磨性、防水透湿性和透气性等进行分析。结果表明:在300 ℃ 以下,光固化膜结构稳定,具有较好的热稳定性,350 ℃质量开始快速减少;涂层后织物断裂强力、硬挺度和耐磨性均提高,织物断裂伸长率和透湿透气性有所下降,但涂层织物防水性能突出。

关键词: 密胺树脂, 紫外光固化, 氨基丙烯酸酯, 涂层织物, 防水性

Abstract:

In order to prepare UV curable melamine resin,hydroxyethyl acrylate (HEA) was used to modify methyl etherified melamine resin (HMMM). The unsaturated C C double bond was introduced to increase the photocurability of melamine resin. The structure of the product was characterized by infrared spectroscopy. As a result, amino acrylate ( HEA-MF) is successfully synthesized. Then, the photocurable melamine resin film and coated fabric were prepared,and the thermal property of the film was characterized by Thermal Gravity Analysis ( TGA). The mechanical properties, stiffness, wear resistance,waterproof,moisture permeability and air permeability of coated samples were analyzed.The results show that under 300 ℃,the UV-cured film has stable structure and good thermal stability,it begins to lose weight quickly at 350 ℃.After coating,the breaking strength,stiffness and abrasion resistance of the fabric are improved.The fabric elongation at break,moisture permeability and air permeability are adversely affected,but the waterproof properties of the coated fabric are outstanding.

Key words: melamine resin, UV curing, amino acrylate, coating fabric, waterproof

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