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    POLYMERIC COMPOSITIONS COMPRISING VDF POLYMERS AND GRAPHITE
    5.
    发明申请
    POLYMERIC COMPOSITIONS COMPRISING VDF POLYMERS AND GRAPHITE 有权

    公开(公告)号：US20220010117A1

    公开(公告)日：2022-01-13

    申请号：US17293973

    申请日：2019-11-25

    申请人： SOLVAY SPECIALTY POLYMERS ITALY S.P.A.

    发明人： Aldo SANGUINETI ,  Marco MIRENDA ,  Giulio BRINATI

    IPC分类号： C08L27/16 ,  C08K3/04 ,  B29C48/09 ,  B29C48/00

    摘要： 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.

    DENSE FLUOROPOLYMER FILM
    6.
    发明申请
    DENSE FLUOROPOLYMER FILM 审中-公开
    DENSE氟聚合物膜

    公开(公告)号：US20150349309A1

    公开(公告)日：2015-12-03

    申请号：US14653413

    申请日：2013-12-17

    申请人： SOLVAY SPECIALTY POLYMERS ITALY S.P.A.

    发明人： Julio A. ABUSLEME ,  Christine HAMON ,  Giorgio CANIL ,  Marco MIRENDA

    IPC分类号： H01M2/16 ,  H01M10/0525 ,  H01M10/058 ,  C08J5/22

    CPC分类号： C08L27/16 ,  C08F214/22 ,  C08F214/225 ,  C08J5/2268 ,  C08J2387/00 ,  C08L71/02 ,  C08L2666/24 ,  H01M2/1653 ,  H01M2/166 ,  H01M10/0525 ,  H01M10/058 ,  H01M2220/30 ,  Y10T29/4911 ,  C08F214/28 ,  C08F220/06

    摘要： The present invention pertains to a process for the manufacture of a dense film, said process comprising, preferably consisting of the following steps: a) providing a solid composition [composition (C)] comprising, preferably consisting of: 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—(CH2CH RAO)n—RB, 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)]; and b) processing said composition (C) in molten phase 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 said process and to use of said dense film as dense separator in electrochemical devices.

    摘要翻译： 本发明涉及制造致密膜的方法，所述方法优选包括以下步骤：a）提供固体组合物[组合物（C）]，其包含，优选包含：至少一种偏二氟乙烯（ VDF）氟聚合物，其包含一个或多个羧酸官能端基[聚合物（F）]，至少一种式（I）的聚氧化烯（PAO）：HO-（CH 2 CH RAO）n-RB，其中RA为 氢原子或C1-C5烷基，RB为氢原子或-CH3烷基，n为整数，为2000〜40000，优选为4000〜35000，更优选为11500〜30000，任选至少为 一种无机填料[填料（I）]; 和b）在熔融相中处理所述组合物（C），从而提供厚度为5μm至30μm的致密膜。 本发明还涉及由所述方法提供的致密膜以及将所述致密膜用作电化学装置中的致密隔膜。

    MELT-PROCESSABLE PERFLUOROPOLYMERS HAVING IMPROVED THERMAL AND MECHANICAL PROPERTIES AFTER HEATING TREATMENT
    9.
    发明申请
    MELT-PROCESSABLE PERFLUOROPOLYMERS HAVING IMPROVED THERMAL AND MECHANICAL PROPERTIES AFTER HEATING TREATMENT 有权
    加热处理后的具有改进的热和机械性能的熔融加工的全氟聚合物

    公开(公告)号：US20150315317A1

    公开(公告)日：2015-11-05

    申请号：US14649140

    申请日：2013-12-02

    申请人： SOLVAY SPECIALTY POLYMERS ITALY S.P.A.

    发明人： Pasqua COLAIANNA ,  Valeriy KAPELYUSHKO ,  Marco MIRENDA

    IPC分类号： C08F214/26 ,  B29C71/02

    CPC分类号： C08F214/265 ,  B29C71/02 ,  B29K2027/12 ,  B29K2105/0085 ,  C08F214/262

    摘要： 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.

    摘要翻译： 本发明主要涉及一种组合物[组合物（C）]的热处理方法，该组合物含有至少一种由四氟乙烯（TFE）共聚物形成的可熔融加工的全氟聚合物[聚合物（F）]与一种或多种全氟化共聚单体[共聚单体（F ）]，其含有至少一种乙烯类型的不饱和度为0.5重量％至13重量％，优选0.6重量％至11重量％，更优选0.8重量％至9重量％ 该方法至少包括在至少260℃的温度和不存在可熔融流动的聚四氟乙烯的情况下热处理组合物（C）的步骤。 本发明还涉及由四氟乙烯（TFE）共聚物与一种或多种全氟化共聚单体[共聚单体（F）]形成的可熔融加工的全氟聚合物[聚合物（F1）]，其含有至少一种乙烯类型的不饱和度为0.5％至 13重量％，优选0.6重量％至11重量％，更优选0.8重量％至9重量％，其中，满足聚合物（F1）的共聚单体（F）含量与第一熔融温度之间的特定关系。