METHOD FOR PRODUCTION OF THERMOADHESIVE LAYING MATERIALS HAVING REGULAR DISCRETE POLYMER COATING Russian patent published in 1997 - IPC

FIELD: production of footwear. SUBSTANCE: method involves applying of thermoplastic polymer coating of fibrous base. Mixture which comprises polyamide, product of polymerization of acrylonitrile, surfactant, propanetriol and water is used for applying of thermoplastic polymer coating, quantity of its components is 100, 30-45, 20-22, 30-50 and 180-200 weight parts, respectively. Oxyethylated alkyl phenol on the base of propylene trimers having common formula C₉H₁₉C₆H₄(C₂H₄O)_nH, where n=10-12 is used as mentioned above surfactant. Quantity of said mixture is 12-16 g/m², fixation of adhesive coating is carried out within 1 min at 180 C. EFFECT: improved efficiency of the method. 1 tbl