UNDERCOATING AND ARTICLES OF MANUFACTURE COATED THEREWITH

The present invention is directed to an undercoating composition comprising: a) a vinyl chloride-vinyl acetate copolymer obtained by polymerization of a co-monomer mixture comprising, based on the total weight of the co-monomers, from 85 to 98 wt. % of vinyl chloride, from 2 to 10 wt. % of vinyl ace...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KUMAR, Girdhari, GUPTA, Priya
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	The present invention is directed to an undercoating composition comprising: a) a vinyl chloride-vinyl acetate copolymer obtained by polymerization of a co-monomer mixture comprising, based on the total weight of the co-monomers, from 85 to 98 wt. % of vinyl chloride, from 2 to 10 wt. % of vinyl acetate and from 0 to 5% by weight of a co-monomer selected from C2 to C8 olefins, vinylidene chloride and styrene; b) plasticizer comprising or consisting of at least one epoxidized natural oil; and, c) at least one aliphatic, cycloaliphatic or aromatic compound having a blocked isocyanate group, wherein said isocyanate group is blocked with a blocking agent capable of de-blocking at a temperature in the range of +/−20° C. compared to the de-blocking temperature of the corresponding isocyanate being blocked with nonylphenol.