MANUFACTURE OF BINDER FOR COATING AGENT

A binder which is suitable for coating agents and is based on a combination which is essentially free of protective colloids and consists of an aqueous primary dispersion of a synthetic polymer and a water-insoluble polycondensate of phenols and aldehydes, some of which may be replaced by ketones, i...

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Bibliographische Detailangaben
Hauptverfasser:	YURUGEN GIMUPERU, GUREGOORU REI, EERIHI GURUBINSU
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CORRECTING FLUIDS DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES INANY FORM DYEING OR PRINTING TEXTILES DYES FILLING PASTES FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR INKS LAUNDERING 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 TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF TEXTILES OR THE LIKE USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	A binder which is suitable for coating agents and is based on a combination which is essentially free of protective colloids and consists of an aqueous primary dispersion of a synthetic polymer and a water-insoluble polycondensate of phenols and aldehydes, some of which may be replaced by ketones, is prepared by a process in which the phenolic components for the polycondensate are first mixed with an aqueous primary dispersion of a synthetic polymer which contains glycidyl, carbonyl, N-methylol, N-alkoxymethyl, ether, amino and/or hydrazo groups and may furthermore contain carboxyl or hydroxyl groups, and the polycondensation with the aldehydes (and ketones) is then carried out in this mixture, under conventional conditions. The binders prepared according to the invention are useful as binders for dispersion paints and coatings, in particular as heat-curable binders for metal finishes.