Aqueous polyurethane dispersion derived from tertiary alkyl glycidyl esters

This invention relates to a new class of polyester diols for Waterborne Polyurethane Dispersions (WPU) that requires less solvent for processing and film formation when prepared in stoichiometrically identical polymers than current systems. They also offer the benefit of higher hardness with reduced...

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Bibliographic Details
Main Authors BLAISDELL, JEFF, O'SHAUGHNESSY, MIKE, ERDEM, BEDRI, STEINBRECHER, CHRISTOPHE, HEYMANS, DENIS
Format Patent
LanguageEnglish
French
German
Published 13.08.2014
Subjects
ADHESIVES
CHEMICAL PAINT OR INK REMOVERS
CHEMISTRY
COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS
COMPOSITIONS BASED THEREON
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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Summary:This invention relates to a new class of polyester diols for Waterborne Polyurethane Dispersions (WPU) that requires less solvent for processing and film formation when prepared in stoichiometrically identical polymers than current systems. They also offer the benefit of higher hardness with reduced isocyanate demand and superior abrasion resistance when compared to other polyester diols currently available. The diols of the present invention are derived from the reaction products of either di-acids, or conventional oligomeric polyols utilizing a sequential ring opening reaction with tertiary alkyl glycidyl esters and anhydrides.
Bibliography:Application Number: EP20130000586