| abstract |
PURPOSE: The titled composition with excellent service feeling and initial adhesive force, which is prepared by compounding polyvinylpyrrolidone, an alpanolamine- neutralized product from a specified acrylic copolymer, an alcohol and water, in such a manner as to give a specified viscosity and adhesive force. n CONSTITUTION: (A) 2W40wt% composition prepared by compounding (i) polyvinylpyrrolidone of average MW 10,000W1,000,000, preferably 40,000W360,000, with (ii) an alkanolamine-neutralized product of viscosity 10,000W50,000cps from a copolymer of an acrylate with methacrylic acid or of acrylic acid with a methacrylate, in a weight ratio of 9:1W2:8, (B) 5W30wt% 1W5C aliphatic primary lower alcohol (e.g., ethanol), (C) 1W20wt% polyethylene glycol of average MW 200W 500 and (D) water, are compounded in such a proportion as to give adhesive force of 100W500g/cm 2 , at viscosity of 200W1,000cps at 25°C. n COPYRIGHT: (C)1981,JPO&Japio |