Title: Method for making polyurethane Erlang leather
Application Number: 93115605 Application Date: 1993.11.30
Publication Number: 1094755 Publication Date: 1994.11.09
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C14C11/00
Applicant(s) Name: Xu Junxiong Address: 511500
Inventor(s) Name:
Attorney & Agent: LIU XIANTONG
Abstract:
     The method for making polyurethane leather includes such technological steps as grinding the undersurface leather, primary coating hydrophilic polyurethane resin drying at 60 deg.C for 2-5 min, top coating lipophilic polyurethane resin, baking at 105 deg.C for 2-5 min., and press patterning. It features high adhesion between polyurethane and leather, better resiliency and no toxicity.
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