Method of making blush coated recording sheet, coated sheet and coating composition

Claim 1

IN THE METHOD OF MAKING A RECORDING SHEET FOR MARKING BY A HEATED STYLUS AND THE LIKE, THE STEPS COMPRISING: ADMIXING A LACQUER CONSISTING ESSENTIALLY OF CELLULOSE ESTER IN A SOLVENT THEREFOR PROVIDING A RESIN SOLUTION WITH AN ORGANIC LIQUID WHICH IS A NON-SOLVENT FOR SAID CELLULOSE ESTER AND IN A SUFFICIENT AMOUNT TO SHOCK ONLY A PORTION OF SAID CELLULOSE ESTER INTO RESIN PARTICLES WITHIN A MATRIX OF SAID RESIN SOLUTION AND FORM A GELATINOUS FLOCCULATE WHICH IS DISPERSIBLE BY AGITATION INTO AN APPARENTLY CLEAR SOLUTION; THEREAFTER ADMIXING SAID FIRST-MENTIONED ADMIXTURE WITH A SECOND LACQUER CONSISTING ESSENTIALLY OF CELLULOSE ESTER IN A SOLVENT THEREFOR TO PROVIDE A SECOND ADMIXTURE WHICH COMPRISES SHOCKED MINUTE RESIN PARTICLES DISTRIBUTED THROUGHOUT A RESIN SOLUTION OF DESIRED BONDING POWER AND WHICH BLUSHES UPON EVAPORATION OF THE SOLVENT THEREIN; AND APPLYING SAID SECOND ADMIXTURE TO THE SURFACE OF SHEET MATERIAL TO PROVIDE A BLUSHED COATING THEREON.