| abstract |
THE INVENTION CONCERNS CONCENTRATED EMULSIONS OF POLYMERIC POUR POINT IMPROVEMENT AGENTS, CONTAINING AT LEAST ONE POLYMERIZATION PRODUCT OF THE TYPE OF ETHYLENE COPOLYMERS WITH VINYL ESTERS OF CARBOXYLIC ACIDS IN CC (POLYMER P1) OF THE TYPE OF ALKYL POLYESTERS OF (METH) ACRYLIC ACID (POLYMER P2), A T-LIQUID VECTOR MEDIUM WHICH DOES NOT DISSOLVE POLYMERS P1 OR P2 AND IN ADDITION, AS AN EMULSIFIER, A COPOLYMER GRAFT OR SEQUENCE OF GENERAL FORMULA IA - Y IN WHICH A IS PUT FOR A SEGMENT IN THE FORM OF A COPOLYMER OF ETHYLENE WITH VINYL ESTERS OF CARBOXYLIC ACIDS IN CC (CORRESPONDING TO POLYMER P1) OR OF AN ESTER POLYMER OF ACRYLIC AND OR METHACRYLIC ACID WITH ALCANOLS IN CC, AND IN WHICH IS PUT THERE FOR AT LEAST ONE SEGMENT WHICH WAS FORMED BY POLYMERIZATION OF VINYL MONOMERS WHICH MAINLY BELONG TO THE TYPE OF ACRYLIC OR METHACRYLIC ACID ESTERS WITH VEC ALCANOLS, THE MEDIUM T IS CAPABLE OF DISSOLVING THE Y SEGMENTS. |