Electrodepositable coating composition

The present invention relates to an electrodepositable coating composition comprising a film-forming polymer comprising ionic salt groups, the film-forming polymer comprising active hydrogen functional groups; a blocked polyisocyanate curing agent comprising end-capping groups wherein at least 30% o...

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Bibliographische Detailangaben
Hauptverfasser:	ESWARAKRISHNAN, VENKATASUBRAMANIAN, PUODZYUKNAT, EMRE, MORETTE, RICHARD, A, STONE DAVID A, WILSON CRAIG A, SWANGER JOHN R, OKERBERG BRIAN C, LO, HO, W
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING 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 PERFORMING OPERATIONS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	The present invention relates to an electrodepositable coating composition comprising a film-forming polymer comprising ionic salt groups, the film-forming polymer comprising active hydrogen functional groups; a blocked polyisocyanate curing agent comprising end-capping groups wherein at least 30% of the end-capping groups, based on the total number of end-capping groups, comprise a 1, 2-polyol as an end-capping agent; and a bismuth catalyst. A coating, a coated substrate, and a method of coating a substrate are also disclosed. 本发明涉及一种可电沉积的涂层组合物，其包含含离子盐基团的成膜聚合物，所述成膜聚合物包含活性氢官能团；包含封端基团的封端多异氰酸酯固化剂，其中按封端基团的总数计，至少30％的封端基团包含1,2-多元醇作为封端剂；以及铋催化剂。还公开了涂层、涂覆的基材和涂覆基材的方法。