ENVIRONMENT-PROTECTING ADHESIVE COMPOSITION FIRST OF ALL FOR THE SHOE MAKING INDUSTRY

摘要

An environment-friendly adhesive compsn. for footwear contains 35-60 pts. wt. of a 40-47 vol.% polyurethane dispersion of 200-400 mPa viscosity, 35-60 pts. wt. of a 47-55 vol.% polyurethane dispersion of 400-600 mPa viscosity, 0.5-1.4 pts. wt. alkaline thickening agent pref. ammonia, 0.5-2 pts. wt. of a wetting agent, i.e. an aq. soln. of polycarboxylic acid salt and in this case 3-10 pts. wt. of an aromatic isocyanate dispersed in water.