Coated pipe and propylene polymer composition therefor

Details Coated pipe and propylene polymer composition therefor Coated pipe and propylene polymer composition therefor

C - Chemistry, Metallurgy

09

D

C09D 123/10 (2006.01) F16L 58/10 (2006.01)

Patent

CA 2714204

The invention relates to a coated pipe comprising a core, an adhesion layer coated on the core and an outer coating layer coated on the adhesion layer, wherein at least the adhesion layer comprises a propylene polymer composition comprising: (A) a propylene homo- or copolymer, and (B) an elastomeric component and to the use of such a propylene polymer composition for coating a pipe.

L'invention porte sur un tuyau revêtu comprenant une âme, une couche d'adhésion appliquée en enrobage sur l'âme et une couche d'enrobage externe appliquée en enrobage sur la couche d'adhésion, au moins la couche d'adhésion comprenant une composition de polymère de propylène comprenant : (A) un homo- ou copolymère de propylène, et (B) un composant élastomère ; l'invention porte également sur l'utilisation d'une telle composition de polymère de propylène pour l'enrobage d'un conduit.

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