The fire-resistant soft polyurethane form which porihidorokishihosuhoneto mono hydroxy annular hosuhoneto which is not included substantially, the production method and from that is obtained

摘要

porihidorokishihosuhoneto mono hydroxy annular hosuhoneto which is not included substantially, it is used as the reactivity fire retardant in the soft polyurethane. Selective figure It is not