Preparation of synthetic polymeric materials

Claim 1

THE METHOD OF PREPARING RUBBERY VULCANIZABLE POLYMERIC MATERIAL WHICH COMPRISES INTIMATELY ADMIXING AND CO-COAGUTATING TWO SEPARATELY PREPARED AQUEOUS DISPERSIONS, PARTICLES IN EACH OF WHICH POSSESS AN AVERAGE DIAMETER BELOW 0.5 MICRON, ONE OF WHICH IS AN AQUEOUS DISPERSION OF A RUBBERY COPOLYMER OF 50 TO 90% BY WEIGHT OF BUTADIENE-1,3 AND THE REMAINDER OF A COPOLYMERIZABLE COMPOUND CONTAINING A SINGLE OLEFINIC DOUBLE BOND AND SELECTED FROM THE CLASS CONSISTING OF STYRENE AND ACRYLONITRILE, AND THE OTHER OF WHICH IS AN AQUEOUS DISPERSION OF A TOUGH, SOLID, RESINOUS POLYMERIC MATERIAL OF A MOLECULAR WEIGHT ABOVE 50,000 AND SELECTED FROM THE CLASS CONSISTING OF POLYSTYRENE, COPOLYMERS OF STYRENE WITH A LESSER AMOUNT OF A COPOLYMERIZABLE COMPOUND CONTAINING AS ITS SOLE UNSATURATION A SINGLE OLEFINIC DOUBLE BOND, AND COPOLYMERS OF 80 TO 99% BY WEIGHT OF STYRENE AND THE REMAINDER OF A POLYMERIZABLE MATERIAL CONTAINING MORE THAN ONE OLEFINIC DOUBLE BOND AND SELECTED FROM THE CLASS CONSISTING OF BUTADIENE-1,3 AND DIVINYL BENZENE, THE SAID TWO DISPERSIONS BEING PRESENT IN SUCH PROPORTIONS AS TO PROVIDE A MIXTURE IN WHICH THE AMOUNT OF THE SAID RESINOUS POLYMERIC MATERIAL IS FROM 5 TO 80% BY WEIGHT OF THAT OF THE SAID RUBBERY COPOLYMER.

Claim 2

THE METHOD OF PREPARING RUBBERY VULCANIZABLE POLYMERIC MATERIAL WHICH COMPRISES INTIMATELY ADMIXING AND CO-COAGUTATING TWO SEPARATELY PREPARED AQUEOUS DISPERSIONS, PARTICLES IN EACH OF WHICH POSSESS AN AVERAGE DIAMETER BELOW 0.5 MICRON, ONE OF WHICH IS AN AQUEOUS DISPERSION OF A RUBBERY COPOLYMER OF 50 TO 90% BY WEIGHT OF BUTADIENE-1,3 AND THE REMAINDER OF A COPOLYMERIZABLE COMPOUND CONTAINING A SINGLE OLEFINIC DOUBLE BOND AND SELECTED FROM THE CLASS CONSISTING OF STYRENE AND ACRYLONITRILE, AND THE OTHER OF WHICH IS AN AQUEOUS DISPERSION OF A TOUGH, SOLID, RESINOUS POLYMERIC MATERIAL OF A MOLECULAR WEIGHT ABOVE 50,000 AND SELECTED FROM THE CLASS CONSISTING OF POLYSTYRENE, COPOLYMERS OF STYRENE WITH A LESSER AMOUNT OF A COPOLYMERIZABLE COMPOUND CONTAINING AS ITS SOLE UNSATURATION A SINGLE OLEFINIC DOUBLE BOND, AND COPOLYMERS OF 80 TO 99% BY WEIGHT OF STYRENE AND THE REMAINDER OF A POLYMERIZABLE MATERIAL CONTAINING MORE THAN ONE OLEFINIC DOUBLE BOND AND SELECTED FROM THE CLASS CONSISTING OF BUTADIENE-1,3 AND DIVINYL BENZENE, THE SAID TWO DISPERSIONS BEING PRESENT IN SUCH PROPORTIONS AS TO PROVIDE A MIXTURE IN WHICH THE AMOUNT OF THE SAID RESINOUS POLYMERIC MATERIAL IS FROM 5 TO 80% BY WEIGHT OF THAT OF THE SAID RUBBERY COPOLYMER.