Leather treatment technology

The invention relates to a leather treatment technology. The leather treatment technology comprises the steps that (1) material selecting is conducted, specifically, leather subjected to tanning and then layer removing is taken and cleaned, and oil stains and impurities on the surface are removed; (...

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Bibliographic Details
Main Authors RAN QIHUA, LOU YONGFENG, LIU HONGJIE
Format Patent
LanguageChinese
English
Published 19.10.2018
Subjects
APPARATUS THEREFOR
CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING,IMPREGNATING, FINISHING
CHEMISTRY
COMPOSITIONS FOR TANNING
HIDES
LEATHER
METALLURGY
PELTS
SKINS
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Summary:The invention relates to a leather treatment technology. The leather treatment technology comprises the steps that (1) material selecting is conducted, specifically, leather subjected to tanning and then layer removing is taken and cleaned, and oil stains and impurities on the surface are removed; (2) soaking is conducted, specifically, the leather is soaked in saline water of 5-15% at 30-40 DEG Cfor 20-40 min; (3) retanning is conducted, specifically, the leather is added into a drum, a compound tanning agent accounting for 15-20% of the leather in weight is added into the drum, and after rotating for 20-30 min is set, the leather is cleaned up through running water, taken out and air-dried; (4) brightening is conducted, specifically, the air-dried leather is put into the drum again, at30-40 DEG C, a leather color brightening agent is added, and rotating is conducted for 20-40 min at 20-50 r/min; (5) steaming is conducted, specifically, the brightened leather is heated through steam, and then temperature dec
Bibliography:Application Number: CN20181687185