COATING COMPOSITIONS

An antifouling coating composition, e.g. for ships' hulls, comprises a biocide for marine organisms and a solution or dispersion of a binder polymer (A) which is an acid-functional polymer or a polymer hydrolysable to an acid-functional polymer. The coating composition contains a solution of a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BAXTER, KENNETH F, NUNN, MICHAEL J, LENNEY, PETER W, SINCLAIR-DAY, JOHN D, ANDERSON, COLIN D, ANDREWS, ADRIAN F, ARNOLD, DAVID E. J, JACKSON, PAUL A
Format:	Patent
Sprache:	eng ; fre
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:	An antifouling coating composition, e.g. for ships' hulls, comprises a biocide for marine organisms and a solution or dispersion of a binder polymer (A) which is an acid-functional polymer or a polymer hydrolysable to an acid-functional polymer. The coating composition contains a solution of a compound (B) of a polyvalent cation or of a precursor of such a compound at a molar ratio of polyvalent cations in the compound (B) to acid groups and/or groups hydrolysable to acid groups in the polymer (A) of 1:4 to 1:100. The polymer (A) and the compound (B) are capable of undergoing a crosslinking reaction when the composition is coated on a surface so that the polyvalent cation forms crosslinks between acid groups on different polymer molecules, and may be at least partially reacted in the composition provided that it remains ungelled.