2015•Journal of Shaanxi University of Science & TechnologyRequires access
Formaldehyde contents research of wet blue leather retanned by aldehyde tannages
Qiang Xi-hua
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Abstract
This paper researched the change behavior of formaldehyde of wet blue leather retanned by aldehyde tannages and investigated the effect of formaldehyde contents in finished leathers along with the change of storage time,temperature and humidity.The results indicated that temperature and humidity have an influence on the content of formaldehyde in finished leather,and the decomposition of aldehyde tannages intensifies with the increase of storage temperature and humidity,causing the increase of free formaldehyde content.And formaldehyde content showed a decreasing trend after the first increases with the change of storage time.