Preparation method of ecological functional leather based on nano material
An ecological function and nano-material technology, applied in leather impregnation, leather surface treatment, small raw hide/big raw hide/leather/fur treatment, etc., to achieve the effect of improving softness, improving wear resistance and reducing dosage
Active Publication Date: 2021-03-16
XINGYE LEATHER TECH CO LTD
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The invention discloses a preparation method of ecological functional leather based on a nano material. The preparation method comprises a wet dyeing and finishing process. The technological process of the wet dyeing and finishing process is characterized by comprising the steps of obtaining crust leather through tanning of a cationic metal tanning agent, re-wetting, anionic surface dyeing 1, neutralizing 1, anionic filling, cationic re-tanning, neutralizing 2, anionic filling and dyeing, anionic fat liquoring, cationic fixing 1, anionic surface dyeing 2, cationic fixing 2 and cationic fat liquoring; wherein a nano titanium dioxide modifier is added into at least one of the anion filling process and the anion filling and dyeing process; according to the application, a nano titanium dioxidemodifier with a photocatalytic function is used in the leather wet dyeing and finishing section, formaldehyde in leather can be removed, the antibacterial and bacteriostatic effects can be achieved,and the application of the nano titanium dioxide modifier in the leather wet dyeing and finishing section is expanded.
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