Synthetic resin-in-water emulsion, process for preparing same, and process for sizing cellulose therewith

Claim 1

A SYNTHETIC RESIN-IN-WATER EMULSION HAVING AS AN EMULSIFYING AGENT A WATE SOLUBLE ORGANIC EMULSIFIER WHICH PROMOTES THE FORMATION OF OIL-IN-WATER TYPE EMULSIONS, AN AVERAGE PARTICLE SIZE IN THE DISPERSED PHASE OF LESS THAN 1 MICRON IN DIAMETER WITH SUBSTANTIALLY NO PARATICLES IN THE DISPERSED PHASE OF A DIAMETER GREATER THAN 4 MICRONS AND THE EMULSION BEING PREPARED BY A PROCESS COMPRISING EMULSIFYING AT LEAST ONE SYNTHETIC RESIN SELECTED FROM THE GROUP CONSISTING OF POLYMERS OF POLYMERIZABLE ETHYLENTICALLY UNSATURATED MONOMERS AND INTER-POLYMERS OF AN ETHYLENICALLY UNSATURATED MONOMER AND AT LEAST ONE DIFFERENT ETHYLENICALLY UNSATURATAED MONOMER INTER-POLYMERIZABLE THEREWITH AND WATER IN THE PRESENCE OF AN ORGANIC EMULSIFYING AGENT SELECTED FROM THE GROUP CONSISTING OF WATER SOLUBLE NONSULFO, DETERGENT-FORMING, CARBOXY ACID SOAPS AND WATER SULUBLE SOAPS OF ORGANIC SULFONIC ACIDS BY DISPERSING THE SYNTHETIC RESIN IN THE WATER IN A RATIO PROVIDING AN EMULSION HAVING SUBSTANTIALLY THE MAXIMUM VISCOSITY FOR THE SYNTHETIC RESIN-IN-WATER SYSTEM AT THE TEMPERATURE OF EMULSIFICATION.