NEW PHOSPHORUS ATOM-CONTAINING PHENOL RESIN AND METHOD FOR PRODUCING THE SAME, CURABLE RESIN COMPOSITION AND CURED PRODUCT THEREOF, RESIN COMPOSITION FOR PRINTED WIRING BOARD, PRINTED WIRING BOARD, RESIN COMPOSITION FOR FLEXIBLE WIRING BOARD, RESIN COMPOSITION FOR SEMICONDUCTOR SEALING MATERIAL, AND RESIN COMPOSITION FOR INTERLAYER INSULATING MATERIAL FOR BUILDUP SUBSTRATE

摘要

PROBLEM TO BE SOLVED: To provide flame retardancy, heat resistance and a low linear expansion coefficient to a cured product.

SOLUTION: A new phosphorus atom-containing phenol resin having as a main skeleton a triazine ring-containing phenol resin structure obtained by reacting an amino group-containing triazine compound, a phenol compound and an aldehyde, and having a specific structural moiety as a substituent on the aromatic nucleus is used as a curing agent for an epoxy resin.

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