FLAME-RETARDANT AGENT COMPOSITION AND FLAME-RETARDANT RESIN COMPOSITION CONTAINING SAME, AND MOLDED ARTICLE

A flame-retardant agent composition containing an organophosphorous compound represented by the general formula (I): wherein R 1 and R 2 each independently represent an alkyl group having 1 to 5 carbon atoms; R 3 and R 4 each independently represent a hydrogen atom or an alkyl group having 1 to 5 ca...

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Bibliographische Detailangaben
Hauptverfasser: KAKUSHOU, Fujio, NAKANO, Ryosuke, FUKUHARA, Hiroyuki
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A flame-retardant agent composition containing an organophosphorous compound represented by the general formula (I): wherein R 1 and R 2 each independently represent an alkyl group having 1 to 5 carbon atoms; R 3 and R 4 each independently represent a hydrogen atom or an alkyl group having 1 to 5 carbon atoms; Y represents a bond or a group -CH 2 -, -C(CH 3 ) 2 -, -S-, -SO 2 -, -O-, -CO- or - N=N-; k represents 0 or 1; and m represents an integer of 0 to 4 and having a property such that a content of a compound represented by the formula (II): wherein R 1 , R 2 and R 3 are as defined in the general formula (I) is 1.8% by area or less when the organophosphorous compound is determined by gel permeation chromatography (GPC).