皮革吐霜/油霜的产生与处理方法

皮革吐霜/油霜的产生与处理方法

形成机理: 皮革在与外界接触时,会不断地进行着吸气与呼气的动态过程,皮革内部水汽分子会携带着胶原纤维间隙中的饱和脂肪酸及其脂输送到皮革表面,凝结成油霜白斑。而所谓的皮革吐霜/油霜现象,就是这种在皮革表面的油脂渗出物形成的不均匀霜状白斑。 预防方法: 消除吐霜/油霜现象,重在预防,关键要消除皮革内高凝固点的饱和脂肪酸及其脂的存在。加强皮革脱脂,选择低雾化值的加脂剂加脂,对未涂饰坯革油霜采用重回鼓,进行脱脂,水洗,再补色加脂的方法处理;对已涂饰的成品革油霜则采取高温滚烫,再用由水、2-氨基-2-甲基-1-丙醇、JFC、轻质白油所组成的亚稳定态乳浊液喷涂方法处理。
处理方法: 对皮革制品吐霜/油霜,可使用艾浩尔防霉抗菌科技的iHeir-YS/油霜清洁剂与iHeir-TS-1/皮革吐霜处理剂配合处理。先在油霜处喷涂上iHeir-YS/油霜清洁剂,用毛刷或海绵将皮料表面吐霜/油霜和多余的附着物清洁干净,待干燥后再使用干净的海绵沾上iHeir-TS-1吐霜处理剂在整个吐霜/油霜的地方刷一遍,有些特殊材料需要配合专门的吐霜处理膏处理。 正确处理吐霜/油霜问题,我们应根据制品的具体情况采用不同的措施,具体以实际材料为准,也可寄送我司实验室测试,再给出精准的处理方案。

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