Novel phosphorous-nitrogen compounds used as fireproofing...

C - Chemistry – Metallurgy – 08 – K

Patent

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C08K 5/5399 (2006.01) C08G 79/02 (2006.01)

Patent

CA 2410613

The invention relates to a method for producing phosphorous-nitrogen compounds by reacting phosphorous sulfides with an amino component, which has at least one nitrogen atom with at least two hydrogen atoms or has at least two nitrogen atoms with at least one hydrogen atom. According to the invention, the desired phosphorous-nitrogen compounds are formed a temperature T~max of >= 200 ~C. These compounds are preferably used as flameproofing agents in thermoplastic molding materials which, among other things and in addition to a thermoplastic polymer, can still contain a nitrogen compound, fillers, lubricants, common additives and/or common viscosity modifiers.

La présente invention concerne un procédé de préparation de composés phosphore-azote par réaction de sulfures de phosphore avec un composé aminé qui présente au moins un atome d'azote avec au moins deux atomes d'hydrogène, ou au moins deux atomes d'azote avec au moins un atome d'hydrogène. Dans ledit procédé, la formation des composés phosphore-azote est réalisée à une température Tmax>/=200 DEG C. Ces composés trouve principalement des applications en tant qu'agents ignifugeants dans des matières à mouler thermoplastiques qui, en plus d'un polymère thermoplastique, peuvent entre autre comprendre également un composé azoté, des substances de charge, des lubrifiants, des additifs conventionnels et/ou des agents de modification de la viscosité.

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