Abstract:
THIS INVENTION RELATES TO A POLYMER DISPERSION USEFUL ESPECIALLY AS A COATING COMPOSITION, WHICH COMPRISES AN ORGANIC LIQUID AS A DISPERSION MEDIUM AND AN OIL-MODIFIED EPOXYESTER RESIN, OIL-MODIFIED EPOXY-MODIFIED ALKYD RESIN, URETHANATED OIL RESIN, MALEIC OIL RESIN OR OIL-MODIFIED ALKYD RESIN, SAID RESIN BEING SOLVATED WITH THE ORGANIC LIQUID AND BEING BLOCK- OR GRAFT-POLYMERIZED WITH COPOLYMERIZABLE MONOMERS, AND TO A PROCESS FOR THE PREPARATION OF SUCH POLYMER DISPERSION. THIS INVENTION RELATES ALSO TO A POLY MER DISPERSION OF THE ABOVE TYPE, IN WHICH AN ORGANIC LIQUID HAVING AN ANILINE POINT BELOW 60*C. AND AN AROMATIC HYDROCARBON CONTENT OF LESS THAN 12% BY WEIGHT IS USED AS THE DISPERSION MEDIUMo
Abstract:
1. A THERMOSETTING SYNTHETIC POLYMER DISPERSION COMPRISING A MIXTURE OF (I) A SYNTHETIC POLYMER DISPERSION COMPRISING PARTICLES OF A COPOLYMER FORMED FROM (A) A COPOLYMERIZABLE ETHYLENICALLY UNSATURATED MONOMER AND (B) A COPOLYMERIZABLE ETHYLENICALLY UNSATURATED MONOMER HAVING A CHEMICALLY REACTIVE CROSS-LINKING GROUP AND A PROTECTIVE LAYER FORMED AROUND SAID COPOLYMER PARTICLES, WHICH IS COMPOSED OF A STABILIZER (I) HAVING A COMPONENT COMPARTIBLE WITH SAID COPOLYMER OR BEING CHEMICALLY BONDED THERETO AND (II) BEING SOLVATED IN AN ORGANIC LIQUID HAVING NO POLARITY OR A LOW POLARITY, SAID COPOLYMER PARTICLES BEING STABLY DISPERSED IN THE ORGANIC LIQUID BY SAID PROTECTIVE LAYER AND HAVING AN AVERAGE PARTICLE SIZE OF 0.1 TO 10U, AND (II) A SYNTHETIC POLYMER DISPERSION COMPRISING PARTICLES OF A COPOLYMER FORMED FROM (A) A COPOLYMERIZABLE ETHYLENICALLY UNSATURATED MONOMELR AND (C) A COPOLYMERIZABLE ETHYLENICALLY UNSATURATED MONOMER HAVING A COMPLEMENTARY, CHEMICALLY REACTIVE CROSS-LINKING GROUP CAPABLE OF REACTING WITH THE CHEMICALLY REACTIVE CROSS-LINKING GROUP OF THE PARTICLES IN DISPERSION (I) AND A PROTECTIVE LAYER FORMED AROUND SAID COPOLYMER PARTICLES, WHICH IS COMPOSED OF A STABILIZER (I) HAVING A COMPONENT COMPARTIBLE WITH SAID COPOLYMER OR BEING CHEMICALLY BONDED THERETO AND (II) BEING SOLVATED IN AN ORGANIC LIQUID HAVING NO POLARITY OR A LOW POLARITY, SAID COPOLYMER PARTICLES BEING STABLY DISPERSED IN THE ORGANIC LIQUID BY SAID PROTECTIVE LAYER AND HAVING AN AVERAGE PARTICLE SIZE OF 0.1 TO 10U.
Abstract:
THIS INVENTION RELATES TO A POLYMER DISPERSION USEFUL ESPECIALLY AS A COATING COMPOSITION, WHICH COMPRISES AN ORGANIC LIQUID AS A DISPERSION MEDIUM AND AN OIL-MODIFED ALKYD RESIN SOLVATED IN THE ORGANIC LIQUID, THE OILMODIFIED ALKYD RESIN BEING BLOCK-OR GRAFT-POLYMERIZED WITH ACRYLONITRILE AND OTHER COPOLYMERIZABLE MONOMERS, AND TO A PROCESS FOR THE PREPARATION OF SUCH POLYMER DISPERSION.