PHOSPHORUS-CONTAINING PHENOLIC COMPOUND, PHOSPHORUS-CONTAINING EPOXY RESIN, CURABLE RESIN COMPOSITION THEREOF, OR EPOXY RESIN COMPOSITION AND CURED PRODUCT THEREOF

Provided is an organophosphorus compound that is useful, for example, as a flame retardant for an epoxy resin cured product, and a flame retardant resin composition using the organophosphorus compound. The organophosphorus compound is represented by formula (1). The phosphorus-containing epoxy resin...

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Hauptverfasser: GUNJI, Masao, MIYAKE, Chikara, SATO, Hiroshi
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:Provided is an organophosphorus compound that is useful, for example, as a flame retardant for an epoxy resin cured product, and a flame retardant resin composition using the organophosphorus compound. The organophosphorus compound is represented by formula (1). The phosphorus-containing epoxy resin has a structural segment represented by formula (b). In the formulas, Ar is a benzene ring, a naphthalene ring, an anthracene ring, or a phenanthrene ring, Z is a phosphorus-containing group represented by formula (a), R1and R2are hydrogen groups that may have a hetero element, R1and R2may be bonded to form a cyclic structure, n1 and n2 are each 0 or 1.