21-05-2020 дата публикации
Номер: US20200157309A1
Принадлежит:
An oil and gas recovery article comprising at least one part made from injection molding a composition [composition (C)] consisting essentially of, from 50 to 99.5% by weight (wt. %) of at least one polyaryletherketone polymer [(PAEK) polymer, herein after]; from 0.5 to 15.0% by weight (wt. %) of at least one nitride (NI) of an element having an electronegativity (c) of from 1.3 to 2.5, as listed in «Handbook of Chemistry and Physics», CRC Press, 64edition, pages B-65 to B-158; and from 0 to 35.0% by weight (wt. %) of at least one optional ingredient selected from the group consisting of selected from the group consisting of colorants, pigments, light stabilizers, heat stabilizers, antioxidants, acid scavengers, processing aids, nucleating agents, internal lubricants and/or external lubricants, flame retardants, smoke-suppressing agents, anti-static agents, anti-blocking agents, conductivity additives and reinforcing additives, all wt. % are relative to the total weight of the composition (C). 1. A method for manufacturing an oil and gas recovery article or at least one part thereof , comprising a step of injection molding a composition (C) ,wherein the composition (C)] consists essentially of:from 50 to 99.5% by weight (wt. %) of at least one polyaryletherketone polymer [(PAEK) polymer];{'sup': 'th', 'from 0.5 to 15.0% by weight (wt. %) of at least one nitride (NI) of an element having an electronegativity (ε) of from 1.3 to 2.5, as listed in «Handbook of Chemistry and Physics», CRC Press, 64edition, pages B-65 to B-158; and'}from 0 to 35.0% by weight (wt. %) of at least one optional ingredient selected from the group consisting of selected from the group consisting of colorants, pigments, light stabilizers, heat stabilizers, antioxidants, acid scavengers, processing aids, nucleating agents, internal lubricants and/or external lubricants, flame retardants, smoke-suppressing agents, anti-static agents, anti-blocking agents, conductivity additives and reinforcing ...
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