Paper coated with compositions of polymeric materials

Claim 1

PAPER COATED WITH A COMPOSITION HAVING A PH OF 7-11 AND COMPRISING A LATEX BLEND, A FILLER AND AN ADHESIVE, SAID FILLER BEING SELECTED FROM FINELY DIVIDED CLAY, CALCIUM SULFOALUMINATE, CALCIUM CARBONATE, ALUMINA, SILICA, TITANIA, ZINC OXIDE AND COLORANTS AND BEING PRESENT IN AMOUNT OF 1-20 PARTS BY WEIGHT PER PART OF LATEX BLEND (DRY WEIGHT), SAID ADHESIVE BEING SELECTED FROM STARCH, CASEIN AND SOY PROTEIN AND BEING PRESENT IN AMOUNT OF 3-30 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF FILLER, SAID LATEX BLEND BEING A BLEND OF (A) 10-40 PARTS ON A DRY WEIGHT BASIS OF AN AQUEOUS LATEX OF A COPOLYMER PREPARED FROM A MONOMER MIXTURE COMPRISING (1) 30-15 WEIGHT PERCENT OF AN ACRYCLIC CONJUGATED DIOLEFIN MONOMER SELECTED FROM BUTADIENE-1,3, ISOPRENE, CHLOROPRENE AND 2,3DIMETHYLBUTADIENE-1,3, (2) 70-85 WEIGHT PERCENT OF A MONOOLEFINICALLY UNSATURATED COPOLYMERIZABLE MONOMER FREE OF CARBONYL STRUCTURES SELECTED FROM STYRENE, ALPHA-METHYL STYRENE, ALPHA-CHLOROSTYRENE AND VINYL TOLUENE, AND (3) 0-10 WEIGHT PERCENT OF AN OLEFINICALLY UNSATURATED CARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF 8A) UNSATURATED CARBOXYLIC ACIDS CONTAINING 3-5 CARBON ATOMS, (B) CINNAMIC ACID, AND (C) MIXTURES OF 8A) AND (B): (B) 90-60 PARTS ON A DRY WEIGHT BASIS OF AN AQUEOUS LATEX OF A COPOLYMER PREPARED FROM A MONOMER MIXTURE COMPRISING (1) 0.1-5 WEIGHT PERCENT OF AN OLEFINICALLY UNSATURATED CARBOXYLIC ACID AS DEFINED IN SUBSECTION (A) (3), (2) 0.1-5 WEIGHT PERCENT OF AN OLEFINICALLY UNSATURATED CARBONYL COMPOUND SELECTED FROM ACROLEIN, ALPHAMETHYL, BETA-METHYL AND BETA-PHENYL ACROLEINS, METHYL VINYL KETONE AND MIXTURES THEREOF, (3) 90-99.8 WEIGHT PERCENT OF MONOMERS COMPOSED OF 60-30 PARTS OF AN ACYCLIC CONJUGATED DIOLEFIN MONOMER AS DEFINED IN SUBSECTION (A) (1) AND 40-70 PARTS OF A MONOOLEFINICALLY UNSATURATED COPOLYMERIZABLE MONOMER FREE OF CARBONYL STURACTURES AS DEFINED IN SUBSECTION (A) (2).