PHOTOCURABLE AND THERMOSETTING RESIN COMPOSITION, PHOTOCURABLE AND THERMOSETTING LAYER, INK, ADHESIVE AND PRINTED CIRCUIT BOARD

摘要

PROBLEM TO BE SOLVED: To provide a photocurable and thermosetting resin composition that comprises a modified polyester resin bearing an oxetane ring and a carboxy group based on an acid dianhydride in the main chain and an ethylenically unsaturated double bond contributing to photocurability in the side chain, and a phosphorus-containing (meth)acrylic monomer and/or a phosphorus-containing allyl group-containing monomer contributing to flame retardancy.

SOLUTION: The modified polyester resin is obtained by causing a polyester resin, comprised of an oxetane ring-containing diol oligomer bearing at least two oxetane rings and a hydroxy group on both ends, a carbonate group-containing diol oligomer bearing at least two carbonate groups and a hydroxy group on both ends, and a residual carboxy group-containing segment based on an acid dianhydride, to react with a (meth)acrylic monomer bearing a functional group reactive with the residual carboxy group.

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