Polyurethanes, dispersions thereof, their preparation and use

The present invention relates to polyurethanes (A) being obtainable by reaction of (a) 15% to 70% by weight of di-or polyisocyanate comprising on average from 1 to 10 allophanate groups and on average from 1 to 10 C-C double bonds per molecule, and optionally (b) 0% to 60% by weight of further di-or...

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Bibliographic Details
Main Authors BERGER SEBASTIAN, HICKL MARKUS, BEK MARTIN KAARUP, ZIJLSTRA STEVEN, TRANTER K. SHAUN, KACZUN JURGEN, THURY PETER
Format Patent
LanguageEnglish
Published 05.08.2015
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:The present invention relates to polyurethanes (A) being obtainable by reaction of (a) 15% to 70% by weight of di-or polyisocyanate comprising on average from 1 to 10 allophanate groups and on average from 1 to 10 C-C double bonds per molecule, and optionally (b) 0% to 60% by weight of further di-or polyisocyanate, with (c) 5% to 50% by weight of compounds having at least two isocyanate-reactive groups, comprising at least one polycarbonate diol with a molecular weight from 500 to 3000 g/mol weight% ages being based on total polyurethane (A), with the proviso that the total is 100%.
Bibliography:Application Number: CN201380059767