Process for producing leather
A method for producing leather generally including the steps of: (a) providing wet blue, full grain skins, (b) applying a degreasing and emulsifying agent to the skins, (d) neutralizing the skins to provide the skins with a pH level of in the range of about 5.7-6.2, (e) applying a waterproofing agen...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A method for producing leather generally including the steps of: (a) providing wet blue, full grain skins, (b) applying a degreasing and emulsifying agent to the skins, (d) neutralizing the skins to provide the skins with a pH level of in the range of about 5.7-6.2, (e) applying a waterproofing agent to the skins, (f) introducing the skins to a dye bath, (g) fixing the dyestuff and waterproofing agents in the skins without metal salt while reducing the pH level to about -3.2, (g) applying a water repellant and oil repellant agent to the skins in a fluorchemical process, (h) fixing the skins a second time without metal salt while moving the pH level to the range of 3.0-3.5, (i) introducing the skins to a bath containing an antimicrobial treatment and an antistatic treatment, (j) washing and drying the skins, and (k) staking and otherwise finishing the skins. |
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