Multi-layered fire-resistant plastic material

Details Multi-layered fire-resistant plastic material Multi-layered fire-resistant plastic material

C - Chemistry, Metallurgy

09

D

C09D 5/18 (2006.01) B32B 27/40 (2006.01)

Patent

CA 2743516

The present invention relates to a multi-layered plastic material, a process for the preparation thereof, and the use thereof. A multi-layered plastic material having a bending modulus of elasticity of > 250 N/mm2, comprising a polyurethane support layer containing red phosphorus and/or melamine and/or melamine derivatives, and laminated thereon at least one polyurethane cover layer containing expandable graphite.

La présente invention concerne des matériaux multicouche en matière plastique, leur procédé de production et leur utilisation. Un matériau multicouche en matière plastique présentant un module d'élasticité en flexion > 250 N/mm2, comprenant une couche substrat poluyréthane rouge contenant un phosphore et/ou une mélamine et/ou un dérivé de mélamine et au moins une couche de revêtement polyuréthane plate contenant du graphite expansé et reliée à la couche substrat.

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