Resin composition

A resin composition, comprising

• (A) at least one compound containing a radical polymerizable group having a carbodiimide structure, and
• (B) at least one compound containing a radical polymerizable group not having a carbodiimide structure, and
• optionally further comprising
• (C) at least one thermosetting resin,
• wherein the component (A) comprises a compound containing a radical polymerizable group represented by formula (1):
• wherein,
• each R independently represents a hydrogen atom or a methyl group;
• each X1 independently represents a carbonyl group, a methylene group, a phenylene group, or a phenylene-methylene group;
• each X2 independently represents a saturated divalent hydrocarbon group having 2 to 4 carbon atoms;
• each Y independently represents a saturated divalent hydrocarbon group having 2 to 30 carbon atoms optionally having a substituent group, or an unsaturated divalent hydrocarbon group having 2 to 30 carbon atoms optionally having a substituent group;
• each Z independently represents a saturated divalent hydrocarbon group having 2 to 300 carbon atoms optionally having a substituent group, or an unsaturated divalent hydrocarbon group having 2 to 300 carbon atoms optionally having a substituent group;
• each a independently represents 0, or an integer of 1 or more;
• each b independently represents an integer of 1 or more;
• each c independently represents an integer of 0 or more;
• and
• d represents an integer of 1 or more, and
• wherein the component (B) comprises at least one selected from the group consisting of a modified polyphenylene ether resin, a polyfunctional (meth) acryloyl group-containing compound, a polyfunctional vinylaryl group-containing compound, a polyfunctional allyl group-containing compound, and a maleimide compound.