PIGMENT DISPERSANT, METHOD OF MAKING COATING COMPOSITIONS, AND COATING COMPOSITIONS

A coating composition comprises at least one pigment dispersed in an acrylic polymer, wherein the acrylic polymer is prepared by first polymerizing a mixture of ethylenically unsaturated monomers comprising: (a) at least about 15% by weight unsaturated meta-isopropenyl-alpha,alpha-dimethylbenzyl iso...

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Bibliographische Detailangaben
Hauptverfasser:	BALATAN, SERGIO, OHRBOM, WALTER, CZORNIJ, ZENON, PAUL, CAIOZZO, NICHOLAS, CERTO, CLAIR, ECHOLS, JANICE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CORRECTING FLUIDS DYES FILLING PASTES INKS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	A coating composition comprises at least one pigment dispersed in an acrylic polymer, wherein the acrylic polymer is prepared by first polymerizing a mixture of ethylenically unsaturated monomers comprising: (a) at least about 15% by weight unsaturated meta-isopropenyl-alpha,alpha-dimethylbenzyl isocyanate; (b) at least one further aromatic polymerizable monomer, in an amount so that monomers (a) and (b) combined are at least about 50 percent by weight of the mixture of ethylenically unsaturated monomers; and (c) at least one alkyl (meth)acrylate to form a polymer, and secondly, reacting the isocyanate groups of the polymer with a (d) a hydroxyalkyl acid in which the hydroxy and acid groups are separated by at least four atoms or with a diol having both a primary hydroxyl group and a secondary hydroxyl group and then with a cyclic anhydride and, optionally, with one or more members selected from the group consisting of (e) hydroxyethylene ethyl urea, (f) methoxypolyethylene glycols, and (g) other, different materials having a functional group reactive with isocyanate.