Roofing membrane

Details Roofing membrane Roofing membrane

C - Chemistry, Metallurgy

08

J

C08J 5/18 (2006.01) C08K 3/22 (2006.01) C08L 23/00 (2006.01) C08L 23/10 (2006.01)

Patent

CA 2757556

A roofing membrane having a membrane composition including a propylene based elastomer, a plastomer, and an impact polypropylene-ethylene copoly-mer. The membrane composition also may have a flame retardant. In a related exemplary embodiment, the total weight percent of polypropylene-ethylene copolymer present in the composition may range from about 7 to 20 percent.

La présente invention concerne un revêtement d'étanchéité dans la composition duquel entrent un élastomère à base de propylène, un plastomère et un copolymère polypropylène-éthylène résistant aux chocs. Un produit ignifuge peut également rentrer dans la composition dudit revêtement. Dans un exemple de mode de réalisation connexe, le pourcentage total en poids de copolymère polypropylène-éthylène présent dans la composition peut varier d'environ 7 à 20 %.

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