Solidification-stable blocked polyisocyanates

Storage-stable Polyisocyanates based on aliphatic and/or cycloaliphatic diisocyanates including from 1 to 20% by weight of alkylamino groups of the formula R R N as a constituent of biuret groups, wherein R and R independently of one another are aliphatic or cycloaliphatic C1-C12 alkyl radicals, and...

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Bibliographic Details
Main Author THIEBES CHRISTOPH,RICHTER FRANK,HALPAAP REINHARD,BAUMBACH BEATE,MAGER DIETER,FUESSEL CHRISTIAN
Format Patent
LanguageEnglish
Published 24.10.2007
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:Storage-stable Polyisocyanates based on aliphatic and/or cycloaliphatic diisocyanates including from 1 to 20% by weight of alkylamino groups of the formula R R N as a constituent of biuret groups, wherein R and R independently of one another are aliphatic or cycloaliphatic C1-C12 alkyl radicals, and where at least 95 mol % of the isocyanate groups are blocked with at least one blocking agent, and the polyisocyanates contain from 4.0 to 21.0% by weight of blocked and free NCO groups (calculated as NCO, molecular weight=42). The polyisocyanates are used to produce coating compositions, coatings, and coated substrates.
Bibliography:Application Number: CN200480013999