BINDER CONTAINING HYDROXYL GROUP

1. A hydroxyl-containing binder in the form of a non-aqueous dispersion. 2.1. Previous binders in the form of dispersions were difficult to stabilise. The novel non-aqueous binder dispersion has improved stability toward solvents and can be prepared reliably and economically. 2.2. A non-aqueous, hyd...

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Bibliographische Detailangaben
Hauptverfasser:	HORUSUTO FUOSU, RARUFU DAAMU, KURAUSU BEDERUKE, HERUMAN KERUBAA, FURIIDORIHI HERUMAN
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 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 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 PERFORMING OPERATIONS POLISHES PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING OR ATOMISING IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	1. A hydroxyl-containing binder in the form of a non-aqueous dispersion. 2.1. Previous binders in the form of dispersions were difficult to stabilise. The novel non-aqueous binder dispersion has improved stability toward solvents and can be prepared reliably and economically. 2.2. A non-aqueous, hydroxyl-containing dispersion is described which is suitable as a binder and contains, in addition to organic solvents A) 15-85% by weight of film-forming, dissolved hydroxyl- and carboxyl-containing polyester-(meth)acrylic copolymers or mixtures thereof, it being possible for up to half of the molecules thereof to be esterified by a molecule of maleic acid, and B) 15-85% by weight of a disperse phase of uncrosslinked (meth)acrylic copolymers having a hydroxyl number of at least 300, obtainable by free-radical polymerisation of a) 80-100% by weight of hydroxyalkyl (meth)acrylates and b) 0-20% by weight of other alpha , beta -monounsaturated monomers, in the film-forming, dissolved, initially introduced component A). 2.3. Preparation of heat-curable multilayer coatings having a base coat and a clear coat.