ADHESIVE COMPOSITION FOR FIXING FOOTWEAR COMPONENTS Russian patent published in 1997 - IPC

FIELD: footwear industry, more particularly glueing of rubber, leather and polyurethane soles to mode of natural or synthetic leathers. SUBSTANCE: adhesive composition for fixing footwear components comprises, %: 18-20 urethane ester rubber; 0.6-1.7 polyisocyanate (hardener); 0.5-4.01 calcium glycerophosphate, and the polar organic solvent balance. Characteristics of adhesive: strength of adhesive seam during lamination after 24 hours of adhesion period is 6.4 kgf/cm, and after heat resistance test for 1 hour is 5.6 kgf/cm. EFFECT: improved properties of the adhesive composition. 2 tbl