Carboxyl group-containing photosensitive resin, alkali-developable, photocurable and thermosetting composition containing the same, and cured products thereof
A carboxyl group-containing photosensitive resin is obtained by reacting an unsaturated group-containing monocarboxylic acid (d) with a reaction product (c) of a phenolic novolak resin (a) and an alkylene oxide (b) and further reacting a polybasic acid anhydride (f) with the resultant reaction produ...
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