Flame-retardant coating

Details Flame-retardant coating Flame-retardant coating

C - Chemistry, Metallurgy

09

D

C09D 5/18 (2006.01) C09K 21/14 (2006.01)

Patent

CA 2364509

The invention relates to a fire protection coating which forms an insulating layer and which is based on substances which form a foam layer and carbon in the event of a fire, binding agents which form a film, expansion agents and usual auxiliary substances and additives. The invention is characterised in that said expansion agent is melamine polyphosphate. The inventive fire protection coating which forms an insulating layer is especially stable (i.e. only releases extremely small amounts of NH3) in tropical conditions (up to 100 % rel. air humidity, approx. 75 ~C).

L'invention concerne un revêtement ignifugeant formant une couche isolante. Ce revêtement contient des substances formant du carbone et une couche de mousse en cas d'incendie, des liants filmogènes, des agents d'expansion ainsi que d'autres additifs et auxiliaires usuels. Ce revêtement est caractérisé en ce qu'il renferme du polyphosphate de mélanine comme agent d'expansion. Ce revêtement est stable en particulier dans des conditions tropicales (jusqu'à 100 % d'humidité atmosphérique relative, environ 75·C), c'est-à-dire qu'il ne libère que de très faibles quantités de NH¿3?.

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