PAC改善防水透湿涂层织物性能的研究

以聚阴离子纤维素（PAC）作为水性聚丙烯酸酯类DS330涂层剂的增稠剂（PAC与水以1：20质量比溶解配制成糊状胶液后添加使用），利用其烘干成膜过程中脱水絮凝而破坏涂层膜局部连续性，并通过适当控制工艺条件形成大量符合要求的透湿微孔，从而大大改善了涂层织物的透湿性能。其透湿量达到了4400g／（m2·24h），且硬挺度小、力学性能较好，可满足人们穿着舒适性要求，而且克服了纤维素类增稠弃3流平性差，易受微生物攻击等缺点，生产工艺简单、经济、环保。

The Effect of PAC on Improving the Waterproof and Moisture Permeable Coating Performance of Fabrics

This paper takes the poly anionic cellulose （PAC） as the thickener for the water-borne poly- acrylate coating agent DS 330 （PAC must be dissolved in water when used, and the mass ratio is 1：20）. It makes use of PAC dehydration and flocculation to destroy the local continuity of the coated film when it forms during baking. A large number of satisfactory micropores form by controlling the appropriate techni- cal conditions on the coating of the thin film during the drying process, which greatly improves the mois- ture permeability of the polyester coating fabrics with its moisture quantity at 4,400 g/m2 24 h. Mean- while, little stiffness and good mechanical property are observed. The coating fabrics not only dress com- fortably, but also overcome the drawbacks of the cellulose class thickening agent, such as＇bad leveling and being easily attacked by microorganisms when produced. Additionally, the production process is simple, economical, and environmentally friendly.