THERMOSETTING RESIN AND METHOD FOR PRODUCING THE SAME, THERMOSETTING RESIN COMPOSITION, MOLDING, CURED PRODUCT, AND ELECTRONIC EQUIPMENT

摘要

PROBLEM TO BE SOLVED: To provide a thermosetting resin with a benzoxazine ring which is excellent in dimensional stability.SOLUTION: The present invention relates to the thermosetting resin with a benzoxazine ring which includes a structure represented by formula (1), wherein Ris a tetravalent organic group; Rand Reach independently represents hydrogen or a 1-20C organic group; Rrepresents an aliphatic or aromatic organic group with a linear, branched, or cyclic structure which may include a 1-20C hetero element; and n represents an integer of 1 to 500. In addition, * represents a bonding site.