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    Downhole cable
    1.
    发明授权
    Downhole cable 有权

    公开(公告)号：US11250971B2

    公开(公告)日：2022-02-15

    申请号：US14388228

    申请日：2013-03-25

    Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.

    Inventor： Pasqua Colaianna ,  Marco Mirenda ,  Giambattista Besana ,  Giulio Brinati

    IPC: B32B1/08 ,  H01B7/29 ,  H01B1/02 ,  H01B3/44 ,  H01B9/00

    Abstract: The present invention pertains to a cable comprising: —at least one conductor coated by an insulation coating layer, —a first protective layer surrounding said insulation coating layer, said first protective layer at least comprising, but preferably being made of a tetrafluoroethylene (TFE) copolymer comprising from 0.8% to 2.5% by weight of recurring units derived from at least one perfluorinated alkyl vinyl ether having formula (I) here below: CF2═CF—O—Rf, wherein Rf is a linear or branched C3-C5 perfluorinated alkyl group or a linear or branched C3-C12 perfluorinated alkyl group comprising one or more ether oxygen atoms, said TFE copolymer having a melt flow index comprised between 1.0 and 6.0 g/10 min, as measured according to ASTM D1238 at 372° C. under a load of 5 Kg [polymer (F)]; —optionally, a second protective layer surrounding said first protective layer, and —an armor shell surrounding said first or second protective layer. The invention also pertains to use of the cable in downhole wells.

    Dense fluoropolymer film
    5.
    发明授权
    Dense fluoropolymer film 有权

    公开(公告)号：US11118044B2

    公开(公告)日：2021-09-14

    申请号：US14653413

    申请日：2013-12-17

    Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.

    Inventor： Julio A. Abusleme ,  Christine Hamon ,  Giorgio Canil ,  Marco Mirenda

    IPC: H01M2/16 ,  H01M10/0525 ,  H01M10/058 ,  C08J5/22 ,  C08L27/16 ,  C08F214/22 ,  C08L71/02 ,  H01M50/411 ,  H01M50/446

    Abstract: The present invention pertains to a process for the manufacture of a dense film. The process includes processing, in a molten phase, a solid composition [composition (C)] comprising;
    at least one vinylidene fluoride (VDF) fluoropolymer comprising one or more carboxylic acid functional end groups [polymer (F)],
    at least one poly(alkylene oxide) (PAO) of formula (I): HO—(CH2CHRAO)n—RB  (I) wherein RA is a hydrogen atom or a C1-C5 alkyl group, RB is a hydrogen atom or a —CH3 alkyl group and n is an integer comprised between 2000 and 40000, preferably between 4000 and 35000, more preferably between 11500 and 30000, and -optionally, at least one inorganic filler [filler (I)]; thereby providing a dense film having a thickness of from 5 μm to 30 μm.
    The present invention also pertains to the dense film provided by this process and to the use of the dense film as dense separator in electrochemical devices.

    Melt-processable perfluoropolymers having improved thermal and mechanical properties after heating treatment
    8.
    发明授权
    Melt-processable perfluoropolymers having improved thermal and mechanical properties after heating treatment 有权

    公开(公告)号：US09988476B2

    公开(公告)日：2018-06-05

    申请号：US14649140

    申请日：2013-12-02

    Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.

    Inventor： Pasqua Colaianna ,  Valeriy Kapelyushko ,  Marco Mirenda

    IPC: C08F214/26 ,  B29C71/02 ,  B29K27/12 ,  B29K105/00

    CPC classification number: C08F214/265 ,  B29C71/02 ,  B29K2027/12 ,  B29K2105/0085 ,  C08F214/262

    Abstract: The invention mainly pertains to a process for heat treating a composition [composition (C)] which contains at least one melt-processible perfluoropolynner [polymer (F)] formed of tetrafluoroethylene (TFE) copolymer with one or more perfluorinated comonomers [comonomer (F)] containing at least one unsaturation of ethylene type in amounts from 0.5% to 13% by weight, preferably from 0.6% to 11% by weight, and more preferably from 0.8% to 9% by weight; the process comprising at least the step of heat-treating the composition (C) at a temperature of at least 260° C. and in the absence of a melt flowable polytetrafluoroethylene. The invention is also related to a melt-processible perfluoropolynner [polymer (F1)] formed of tetrafluoroethylene (TFE) copolymer with one or more perfluorinated comonomers [comonomer (F)] containing at least one unsaturation of ethylene type in amounts from 0.5% to 13% by weight, preferably from 0.6% to 11% by weight, and more preferably from 0.8% to 9% by weight, wherein a particular relation between comonomer (F) content and first melting temperature of polymer (F1) is satisfied.

    DOWNHOLE CABLE
    9.
    发明申请
    DOWNHOLE CABLE 审中-公开
    卧式电缆

    公开(公告)号：US20150060104A1

    公开(公告)日：2015-03-05

    申请号：US14388228

    申请日：2013-03-25

    Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.

    Inventor： Pasqua Colaianna ,  Marco Mirenda ,  Giambattista Besana ,  Giulio Brinati

    IPC: H01B7/29 ,  H01B9/00 ,  H01B3/44 ,  H01B1/02

    CPC classification number: H01B7/292 ,  H01B1/02 ,  H01B3/445 ,  H01B9/005

    Abstract: The present invention pertains to a cable comprising: —at least one conductor coated by an insulation coating layer, —a first protective layer surrounding said insulation coating layer, said first protective layer at least comprising, but preferably being made of a tetrafluoroethylene (TFE) copolymer comprising from 0.8% to 2.5% by weight of recurring units derived from at least one perfluorinated alkyl vinyl ether having formula (I) here below: CF2═CF—O—Rf, wherein Rf is a linear or branched C3-C5 perfluorinated alkyl group or a linear or branched C3-C12 perfluorinated alkyl group comprising one or more ether oxygen atoms, said TFE copolymer having a melt flow index comprised between 1.0 and 6.0 g/10 min, as measured according to ASTM D1238 at 372° C. under a load of 5 Kg [polymer (F)]; —optionally, a second protective layer surrounding said first protective layer, and —an armor shell surrounding said first or second protective layer. The invention also pertains to use of the cable in downhole wells.

    Abstract translation: 本发明涉及一种电缆，包括： - 由绝缘涂层涂覆的至少一个导体， - 围绕所述绝缘涂层的第一保护层，所述第一保护层至少包括但优选由四氟乙烯（TFE）制成， 共聚物，其包含0.8-2.5重量％的由至少一种具有下式（I）的全氟化烷基乙烯基醚的重复单元：CF 2 = CF-O-R f，其中R f是直链或支链C 3 -C 5全氟烷基 基团或包含一个或多个醚氧原子的直链或支链C 3 -C 12全氟化烷基，所述TFE共聚物的熔体流动指数为1.0-6.0g / 10min，根据ASTM D1238在372℃下测定， 负荷5Kg [聚合物（F）]; - 可选地，围绕所述第一保护层的第二保护层和围绕所述第一或第二保护层的护甲壳。 本发明还涉及在井下井中使用电缆。

    Polymeric compositions comprising VDF polymers and graphite
    10.
    发明授权
    Polymeric compositions comprising VDF polymers and graphite 有权

    公开(公告)号：US12152137B2

    公开(公告)日：2024-11-26

    申请号：US17293973

    申请日：2019-11-25

    Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.

    Inventor： Aldo Sanguineti ,  Marco Mirenda ,  Giulio Brinati

    IPC: C08L27/16 ,  B29C48/00 ,  B29C48/09 ,  C08K3/04 ,  F16L11/04

    Abstract: The present invention relates to a polymeric composition comprising: one or more vinylidene fluoride (VDF) polymers, from 1 to 100 parts, preferably from 2 to 50 parts, more preferably from 2 to 30 parts, even more preferably from 3 to 20 parts by weight for 100 parts of VDF polymer of a plurality of particles of graphite, wherein said particles of graphite have an D90 particle size as measured with laser scattering of less than 50 μm, preferably from 2 to 30 μm more preferably from 2 to 20 μm, even more preferably from 2 to 10 μm and a BET specific surface of from 10 to 50 m2/g, preferably 15 to 35 m2/g. The invention also relates to tubular articles comprising the composition and to their use in oil and gas operations.

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