Composite thermoplastic material for composite tubular structures
AssigneeArkema France
InventorsJerome Rondin, Cyrille Mathieu
Life of this patent
Estimating the term…
Abstract
The invention relates to a composition comprising at least one fluoropolymer and at least one high-density filler. The invention also relates to a thermoplastic composite tubular structure which comprises at least one external layer consisting of said composition. The invention also relates to the process for the manufacture of said composition, and also to its applications as external layer for weighing down thermoplastic composite pipes transporting fluids in the context of oil and gas exploration and exploitation.
Claims19
A composite material consisting of a thermoplastic fluoropolymer matrix, said thermoplastic fluoropolymer matrix containing fluoropolymer, in which are incorporated particles of at least one inorganic filler compatible with said fluoropolymer, said particles having a density of at least 3 g/cm3, the content by weight of fillers being from 50% and ranging up to 70%, said particles having a size defined by a D50 of less than 20 μm and of greater than or equal to 1 μm and a D90 of less than 50 μm and greater than or equal to 5 μm.
Dependencies are inferred from the claim text.