Adhesive comprising aqueous dispersion of water soluble polymer and phenolisocyanate adduct, cellulosic structure coated with same and process of preparing same

Claim 1

AN ADHESIVE COATED CELLULOSIC STRUCTURE, SAID STRUCTURE BEING COATED WITH AN ADHESIVE COMPOSITION COMPRISING AN AQUEOUS DISPERSION CONTAINING AT LEAST ABOUT 0.01% OF A WATER-SOLUBLE ORGANIC POLYMER SELECTED FROM THE GROUP CONSISTING OF SODIUM CARBOXYMETHYL CELLULOSE, SODIUM ALGINATE, POLYACRYLAMIDE, POLY(DIETHYLAMINOETHYL)METHACRYLATE, SODIUM CELLULOSE SULFATE, SODIUM POLYACRYLATE, GUM TRAGACANTH, POLYVINYL ALCOHOL, AND SODIUM PECTATE, UP TO ABOUT 15% OF A RUBBER LATEX SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER AND SYNTHETIC RUBBERS OF CONJUGATED DIENES, AND FROM ABOUT 0.1% TO ABOUT 7% BY WEIGHT BASED ON THE TOTAL WEIGHT OF THE DISPERSION OF AN ADDUCT REACTION PRODUCT, R(NHCOOC6H5)N, OF A POLYISOCYANATE, R(NCO)N, AND PHENOL, WHEREIN R IS AN ORGANIC RADICAL SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC, SUBSTITUTED ALIPHATIC, AROMATIC, AND SUBSTITUTED AROMATIC RADICALS, AND N IS AN INTEGER FROM 2 TO 3, SAID COATED STRUCTURE BEING DRIED TO PROVIDE A MOISTURE CONTENT OF LESS THAN ABOUT 15%.