水性聚氨酯合成革在干法中间物理发泡层的应用研究  

Application of Waterborne Polyurethane Synthetic Leather in Dry Intermediate Physical Foaming Layer

作　　者：杨献金 张子明 李勇 YANG Xian-jin;ZHANG Zi-ming;LI Yong(Jiangsu Liangang Leather Machinery Co.,Ltd.,Lianyungang 222001,China;School of Mechanical and Materials Engineering,Huaiyin Institute of Technology,Huai'an 223003,China)

机构地区：[1]江苏连港皮革机械有限公司,江苏连云港222001 [2]淮阴工学院机械与材料工程学院,江苏淮安223003

出　　处：《中国皮革》2023年第3期97-105,共9页China Leather

摘　　要：通过研究水性聚氨酯合成革物理发泡层的发泡工艺和生产工艺条件,分析了影响发泡涂层的结构和性能的关键因素和水性聚氨酯涂层膜的微观结构,获得了优选的水性聚氨树脂浆料的物理发泡方式、固含量、发泡倍率控制、发泡剂选择、发泡时间、涂覆间隙、烘干温度关键因素指标。确定了最佳物理发泡和生产工艺条件,为实际工业大生产应用提供了参考依据。By studying the foaming process and production process conditions of the waterborne polyurethane foam layer,the key factors affecting the structure and performance of the foaming coating and the microstructure of the waterborne polyurethane coating film were analyzed,and the physical foaming formula,solid content,foaming ratio control,foaming agent selection,foaming time,coating gap,drying temperature key factor indicators of the optimal waterborne polyurethane resin slurry were obtained.The optimum physical foaming and production process conditions were determined,which provided a reference for practical big industrial production and application.

关 键 词：合成革 水性聚氨酯 干法线 离型纸 物理发泡 

分 类 号：TS56[轻工技术与工程—皮革化学与工程]