Film membrane with excellent weather-resistant properties,...

Details Film membrane with excellent weather-resistant properties,... Film membrane with excellent weather-resistant properties,...

B - Operations, Transporting

32

B

B32B 27/32 (2006.01) B32B 27/12 (2006.01) B32B 27/30 (2006.01) D06N 3/04 (2006.01)

Patent

CA 2609950

The invention relates to a film membrane which has excellent weathering resistance and high permeability to thermal insolation, and is an effective barrier to thermal radiation emitted from the ground and has high mechanical strength, and also to a process for the production of the film membrane. The properties are achieved via a composite of a base film of thermoplastic and an outer layer of poly(meth)acrylate. The adhesion is achieved via copolymers with polar character. One or more layers of the plastics moulding may also have been equipped with flame retardants.

L'invention concerne une membrane en feuille présentant une excellente résistance aux intempéries, une haute perméabilité au rayonnement thermique solaire, un blocage efficace du rayonnement thermique émis par la terre et une haute résistance mécanique, ainsi qu'un procédé de production de cette membrane en feuille. Ces propriétés sont obtenues par association d'une feuille de base en matériau thermoplastique et d'une couche de recouvrement en poly(méth)acrylate. L'adhérence est obtenue au moyen de copolymères à caractère polaire. Une ou plusieurs couches du corps façonné en matière plastique peuvent également présenter des agents ignifugeants.

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