Extended-life polyethylene gas distribution pipe

Details Extended-life polyethylene gas distribution pipe Extended-life polyethylene gas distribution pipe

C - Chemistry, Metallurgy

08

F

402/581

C08F 210/16 (2006.01) F16L 9/128 (2006.01)

Patent

CA 2033486

ABSTRACT OF THE DISCLOSURE A polymer of ethylene and a minor proportion of an alpha-olefin having six and greater carbon atoms characterized by having an average molecular weight greater than about 200,000 and 7 and greater alkyl branches per 1,000 backbone carbon atoms, each alkyl branch having 4 and greater carbon atom. The branched polyethylene is useful for provision of extended life polyethylene pipe, particularly gas distribution pipes providing lifetimes of at least 2 and up to 10 times the life of presently used polyethylene pipe. GRI-023

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