PHOTOSENSITIVE RESIN COMPOSITION AND CURING PRODUCT THEREOF

A photosensitive resin composition that excels in sensitivity to actinic energy rays (photosensitivity), is hardenable within a short period of time and can form pattern through development with a dilute aqueous alkali soluti on and that gives a cured film through thermal curing in the postcuring st...

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Bibliographische Detailangaben
Hauptverfasser:	KOYANAGI, HIROO, TANAKA, RYUTARO
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES APPARATUS SPECIALLY ADAPTED THEREFOR CHEMISTRY CINEMATOGRAPHY COMPOSITIONS BASED THEREON DYES ELECTROGRAPHY HOLOGRAPHY MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MATERIALS THEREFOR METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS ORIGINALS THEREFOR PAINTS PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	A photosensitive resin composition that excels in sensitivity to actinic energy rays (photosensitivity), is hardenable within a short period of time and can form pattern through development with a dilute aqueous alkali soluti on and that gives a cured film through thermal curing in the postcuring step, t he cured film having satisfactory flexibility and being suitable to a solder ma sk ink of high insulation excelling in adherence and resistances to gold platin g, electroless gold plating and tin plating; and a curing product thereof. In particular, a photosensitive resin composition characterized by comprising ( 1) a urethane resin soluble in aqueous alkali solutions (A), the urethane resin obtained by urethanizing in the absence of catalyst a diisocyanate compound (a), a diol compound having an ethylenically unsaturated group in its molecu le (b) and a diol compound having a carboxyl group in its molecule (c) optional ly together with a diol compound not having any ethylenically unsaturated group or carboxyl group in its molecule (d) and reacting the reaction product with a cyclic acid anhydride (e); (2) a photopolymerization initiator (B); and (3) a reactive crosslinking agent (C).