The mechanism of leather spew was introduced, namely: there was air and water vapor exchange in leather during its storage.
介绍了皮革油霜的形成机理,即:皮革在贮藏或使用时与外界不断进行着呼气、吸气动态过程,在革内水汽分子携带胶原纤维间隙的饱和脂肪酸及其酯迁移至革面,凝结成油霜白斑。
The formation mechanism of spew was introduced.
介绍了油霜的形成机理,分析了油霜的形成与革中油脂的含量、加脂剂的组成和工艺操作的最终pH有关,文章提出了预防的措施。
General factors which can bring spew on pig suede leather were analyzed ,and some measures were put forward to prevent spew according to actual tanning process.
分析了猪绒面革油霜产生的综合原因,并结合实际生产情况,提出预防油霜的具体措施。