AQUEOUS POLYMER DISPERSION

PROBLEM TO BE SOLVED: To provide a polymer dispersion used in a low VOC coating formulation. SOLUTION: The aqueous polymer dispersion comprises polymer particles (A), polymer particles (B) and at least one low molecular-weight polymer (C), wherein polymer particles (A) comprise a high molecular-weig...

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Bibliographic Details
Main Authors KOZISKI KATHLEEN A, FASANO DAVID M, LAU WILLIE, SHEPPARD AURELIA C, GEBHARD MATTHEW S
Format Patent
LanguageEnglish
Published 18.11.2010
Subjects
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 BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED 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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Summary:PROBLEM TO BE SOLVED: To provide a polymer dispersion used in a low VOC coating formulation. SOLUTION: The aqueous polymer dispersion comprises polymer particles (A), polymer particles (B) and at least one low molecular-weight polymer (C), wherein polymer particles (A) comprise a high molecular-weight polymer pA having Mw>50,000 and an acid number of 0-160, polymer particles (B) comprise a high molecular-weight polymer pB having Mw>50,000 and an acid number of 0-160, and C is an addition polymer having a calculated Tg,(low) of less than 10°C, Mn<10,000, and an acid number of 0-80, formed by polymerization of at least one ethylenically unsaturated nonionic monomer. COPYRIGHT: (C)2011,JPO&INPIT
Bibliography:Application Number: JP20100186799