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    • 1. 发明申请
    • AQUEOUS VINYLIDENE FLUORIDE POLYMER LATEX
    • 水性乙烯基氟化物聚合物
    • WO2013010936A1
    • 2013-01-24
    • PCT/EP2012/063778
    • 2012-07-13
    • SOLVAY SPECIALTY POLYMERS ITALY S.P.A.STANGA, MilenaPIERI, RiccardoBERTASA, Anna MariaKENT, Bradley LaneBRINATI, Giulio
    • STANGA, MilenaPIERI, RiccardoBERTASA, Anna MariaKENT, Bradley LaneBRINATI, Giulio
    • C08L27/16C09D127/16C08K3/04H01M4/04H01M10/0525
    • H01M4/623C08L27/16C09D127/16H01M4/0402H01M4/0404H01M4/133H01M4/1393H01M4/622H01M10/0525
    • The present invention pertains to an aqueous composition comprising: (A) an aqueous latex comprising at least one vinylidene fluoride (VDF) polymer [polymer (F)] comprising recurring units derived from vinylidene fluoride (VDF) and at least one (meth)acrylic monomer (MA) having formula (I) here below: wherein: - R 1 , R 2 and R 3 , equal to or different from each other, are independently selected from a hydrogen atom and a C 1 -C 3 hydrocarbon group, and - R OH is a hydrogen atom or a C 1 -C 5 hydrocarbon moiety comprising at least one hydroxyl group, (B) at least one powdery electrode material, and (C) optionally, less than 10% by weight, based on the total weight of the aqueous composition, of at least one organic solvent (S), wherein the polymer (F) in the aqueous latex is under the form of primary particles having an average primary particle size of less than 1 μm, as measured according to ISO 13321. The present invention also pertains to a process for manufacturing an electrode using said aqueous composition, to an electrode comprising a metal substrate coated on at least one surface with said aqueous composition and to use of said electrode for manufacturing a non-aqueous-type electrochemical device.
    • 本发明涉及一种水性组合物,其包含:(A)包含至少一种含偏二氯乙烯(VDF)的重复单元和至少一种(甲基)丙烯酸酯的偏二氟乙烯(VDF)聚合物[聚合物(F) 具有式(I)的单体(MA)如下:其中:-R 1,R 2和R 3彼此相同或不同,独立地选自氢原子和C1-C3烃基,和-ROH是氢 原子或包含至少一个羟基的C 1 -C 5烃部分,(B)至少一种粉末状电极材料,和(C)任选地,基于水性组合物的总重量,小于10重量% 至少一种有机溶剂(S),其中根据ISO 13321测量,水性胶乳中的聚合物(F)是平均一次粒径小于1μm的初级颗粒的形式。本发明还涉及 一种使用所述水溶液制造电极的方法 涉及包含涂覆在至少一个表面上的金属基材与所述水性组合物的电极,并且使用所述电极来制造非水型电化学装置。
    • 5. 发明公开
    • AQUEOUS VINYLIDENE FLUORIDE POLYMER LATEX
    • 水性乙烯基氟聚合物胶乳
    • EP2731990A1
    • 2014-05-21
    • EP12735527.9
    • 2012-07-13
    • Solvay Specialty Polymers Italy S.p.A.
    • STANGA, MilenaPIERI, RiccardoBERTASA, Anna MariaKENT, Bradley LaneBRINATI, Giulio
    • C08L27/16C09D127/16C08K3/04H01M4/04H01M10/0525
    • H01M4/623C08L27/16C09D127/16H01M4/0402H01M4/0404H01M4/133H01M4/1393H01M4/622H01M10/0525
    • The present invention pertains to an aqueous composition comprising: (A) an aqueous latex comprising at least one vinylidene fluoride (VDF) polymer [polymer (F)] comprising recurring units derived from vinylidene fluoride (VDF) and at least one (meth)acrylic monomer (MA) having formula (I) here below: wherein: - R
      1 , R
      2 and R
      3 , equal to or different from each other, are independently selected from a hydrogen atom and a C
      1 -C
      3 hydrocarbon group, and - R
      OH is a hydrogen atom or a C
      1 -C
      5 hydrocarbon moiety comprising at least one hydroxyl group, (B) at least one powdery electrode material, and (C) optionally, less than 10% by weight, based on the total weight of the aqueous composition, of at least one organic solvent (S), wherein the polymer (F) in the aqueous latex is under the form of primary particles having an average primary particle size of less than 1 μm, as measured according to ISO 13321. The present invention also pertains to a process for manufacturing an electrode using said aqueous composition, to an electrode comprising a metal substrate coated on at least one surface with said aqueous composition and to use of said electrode for manufacturing a non-aqueous-type electrochemical device.
    • 本发明涉及一种含水组合物,其包含:(A)包含至少一种偏二氟乙烯(VDF)聚合物[聚合物(F)]的含水胶乳,所述聚合物包含衍生自偏二氟乙烯(VDF)和至少一种(甲基)丙烯酸 具有下式(I)的单体(MA):其中:-R 1,R 2和R 3彼此相同或不同,独立地选自氢原子和C 1 -C 3烃基,和 -ROH是氢原子或包含至少一个羟基的C 1 -C 5烃部分,(B)至少一种粉末状电极材料和(C)任选地小于10重量%,基于总量 所述水性组合物的至少一种有机溶剂(S)的重量,其中所述水性胶乳中的聚合物(F)处于平均初级粒径小于1μm的初级粒子的形式,如根据ISO 本发明还涉及用于制造电极的方法 所述水性组合物施用于包含用所述水性组合物在至少一个表面上涂布的金属基材的电极以及所述电极用于制造非水型电化学装置的用途。
    • 8. 发明公开
    • PROCESS FOR MANUFACTURING POROUS MEMBRANES
    • VERFAHREN ZUR HERSTELLUNG VONPORÖSENMEMBRANEN
    • EP2723479A1
    • 2014-04-30
    • EP12729505.3
    • 2012-06-15
    • Solvay Specialty Polymers Italy S.p.A.
    • ABUSLEME, Julio A.BERTASA, Anna MariaFAIG, RégisMIELE, MarcoMORTARA, Stefano
    • B01D71/32C08F214/22H01M2/16
    • C08L71/02A61M1/34A61M1/3403B01D71/32C08F214/22C08J5/18C08J2327/16C08J2333/02C08J2371/02C08L27/16C08L27/20H01M2/1653H01M10/0525C08F214/28C08F220/20
    • The present invention pertains to a process for the manufacture of a porous membrane, said process comprising the following steps: (i) providing a composition [composition (F)] comprising: —at least one fluoropolymer [polymer (F)] comprising recurring units derived from at least one (meth)acrylic monomer (MA) having formula (I) wherein: —R1, R2 and R3, equal to or different from each other, are independently selected from a hydrogen atom and a C1-C3 hydrocarbon group, and —RX is a hydrogen atom or a C1-C5 hydrocarbon moiety comprising at least one functional group selected from a hydroxyl, a carboxyl, an epoxide, an ester and an ether group, and —at least one poly(alkylene oxide) (PAO); (ii) processing said composition (F) to provide a film; (iii) treating the film so obtained with an aqueous composition to provide said porous membrane. The present invention also relates to films and compositions used in said process, to porous membranes obtained from said process and to use of said porous membranes as separators in Lithium-ion batteries, as filtration membranes or in biomedical applications.
    • 本发明涉及制造多孔膜的方法,所述方法包括以下步骤:(i)提供组合物[组合物(F)],其包含:至少一种含聚合单元的含氟聚合物[聚合物(F)]] 衍生自具有式(I)的至少一种(甲基)丙烯酸单体(MA),其中:-R1,R2和R3彼此相同或不同,独立地选自氢原子和C1-C3烃基, -RX是氢原子或包含至少一个选自羟基,羧基,环氧化物,酯和醚基的官能团的C1-C5烃部分,和至少一种聚(环氧烷)(PAO ); (ii)处理所述组合物(F)以提供薄膜; (iii)用含水组合物处理如此获得的膜以提供所述多孔膜。 本发明还涉及所述方法中使用的膜和组合物,从所述方法得到的多孔膜,以及所述多孔膜作为隔离器在锂离子电池中用作过滤膜或在生物医学应用中。