Multi-layer plastic pipe

F - Mech Eng,Light,Heat,Weapons – 16 – L

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Details

F16L 9/133 (2006.01) B32B 7/10 (2006.01) B32B 27/08 (2006.01) B32B 27/34 (2006.01) C09J 175/06 (2006.01) B29D 23/22 (1990.01)

Patent

CA 2095909

ABSTRACT MULTI-LAYER PLASTIC PIPE A multi-layer plastic pipe consisting of at least one outer layer based on a polyamide and at least one layer made of a moulding composition based on a mixture of 99 to 60 % by weight of a partially crystalline thermoplastic polyester and 1 to 40 % by weight of a compound having at least two isocyanate groups, which are present in the moulding composition in a concentration between 0.03 and 3 % by weight. The pipes have a good barrier effect against the transported medium, particularly with methanol-containing fuels, as well as a satisfactory dimensional stability and mechanical load-bearing capacity.

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