Multilayer plastic pipe comprising an outer polyamide layer and

Details Multilayer plastic pipe comprising an outer polyamide layer and Multilayer plastic pipe comprising an outer polyamide layer and

1993-04-16

1994-05-24

Bryant, III, James E.

Pipes and tubular conduits

Flexible

Distinct layers

138DIG7, F16L 0914

Patent

active

053139879

ABSTRACT:
A plastic pipe having improved resistance to methanol-containing fuels and improved mechanical properties is provided. This is achieved by a multilayer plastic pipe consisting of at least one outer layer based on polyamide and at least one layer of a linear, crystalline polyester modified with isocyanates. With the aid of the invention it is possible to obtain plastic pipes having improved barrier properties against methanol-containing fuels and dimensional stability and mechanical load-bearing capacity.

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