B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 1/08 (2006.01) B32B 27/08 (2006.01) B32B 27/36 (2006.01) F16L 9/12 (2006.01) F16L 11/20 (2006.01)
Patent
CA 2114484
Abstract: A multilayer plastic pipe is disclosed. The pipe comprises at least one outer layer, at least one inner layer based on a polyvinylidene fluoride moulding composition and a layer adjacent to and outside of the inner layer, based on a moulding composition comprising a mixture of a polyamide and a polyalkyl acrylate. All layers are adhesively bonded to one another. The pipe according to the invention has an extremely good resistance and a good barrier action to diffusion of (petro)chemicals, solvents and fuels. Since the layers are adhesively bonded, no delamination of the layers occurs on thermal expansion or flexing of the pipe. The pipe according to the invention is preferably used for the transport of (petro)chemicals or in the motor transport sector, for carrying brake, cooling or hydraulic fluids and fuel.
Boer Michael
Feinauer Roland
Herrmann Hans-Dieter
Jadamus Hans
Ries Hans
Degussa Ag
Fetherstonhaugh & Co.
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