ULTRAVIOLET-CURABLE INK

PURPOSE:To obtain an ultraviolet-curable ink improved in a tack-free time and the hardness, etc., of a cured resist and being usable in screen printing by mixing an ultraviolet-curable resin with a specified photopolymerizable monomer and a photopolymerization initiator, a colorant and additives. CO...

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Bibliographische Detailangaben
Hauptverfasser:	SHIMOMURA MOTOHIDE, AKAGAWA TETSUO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES APPARATUS SPECIALLY ADAPTED THEREFOR CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CHEMICAL PAINT OR INK REMOVERS CHEMISTRY CINEMATOGRAPHY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTROGRAPHY FILLING PASTES HOLOGRAPHY INKS MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS MATERIALS THEREFOR METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORIGINALS THEREFOR PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS POLISHES PRINTED CIRCUITS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain an ultraviolet-curable ink improved in a tack-free time and the hardness, etc., of a cured resist and being usable in screen printing by mixing an ultraviolet-curable resin with a specified photopolymerizable monomer and a photopolymerization initiator, a colorant and additives. CONSTITUTION:A product (i) of the Diels-Alder reaction of an (alkyl-substituted) cyclopentadiene with maleic anhydride is monoesterified with a hydroxyalkyl (meth)acrylate (ii) to obtain a (meth)acryloxy endomethylenetetrahydrophthalate derivative (a) of the formula (wherein R is H or an alkyl, R is H or CH3, and n is 1-10). A low-MW ultraviolet-curable resin (A) which is preferably an air-drying unsaturated polyester of an MW of 250-1500, optionally having an allyl group, is mixed with a photopolymerizable monomer (B) comprising 2-80wt.%, based on the total of components A and B, component (a) and, optionally, another monomer (b), in an amount to give a weight ratio of A to B of 5-70:95-30, a photopolymerization initiator (C), a colorant (D) and other ink additives (E).