Title: Non-salt composite tanning technology for fur
Application Number: 90106256 Application Date: 1990.09.19
Publication Number: 1059936 Publication Date: 1992.04.01
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C14C3/00
Applicant(s) Name: Petry Mill, Zhucheng City Address: 262214
Inventor(s) Name:
Attorney & Agent: XIN XIANGDONG
Abstract:
     This technology features as follows: neutral salt is not used in whole tanning process; an "immersion in aldehyde" step is added; aluminium sulfate is added in during "immersion in acid" process; and sodium phthalate and methane disalicylate as assistants are added in during tanning procedure. The peltry tanned according to this invention has such advantages. Such as soft, light weight, water washing resistance, not losing hair, easily dyeing it, high peltry output, and less pollution of nautral salt and Cr tanning liquid to environment.
Time: 6