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    • 4. 发明申请
    • PROCESS FOR MANUFACTURING POROUS MEMBRANES
    • 制造多孔膜的方法
    • US20140131268A1
    • 2014-05-15
    • US14127101
    • 2012-06-15
    • Julio A. AbuslemeAnna Maria BertasaRegis FaigMarco MieleStefano Mortara
    • Julio A. AbuslemeAnna Maria BertasaRegis FaigMarco MieleStefano Mortara
    • C08L71/02C08L27/16H01M2/16C08L27/20A61M1/34B01D71/32
    • 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:至少一种含有重复单元的含氟聚合物[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,从所述方法获得的多孔膜,以及使用所述多孔膜作为锂离子电池中的分离器,作为过滤膜或在生物医学应用中。
    • 6. 发明申请
    • AQUEOUS VINYLIDENE FLUORIDE POLYMER LATEX
    • 水性乙烯基氟化物聚合物
    • US20140154573A1
    • 2014-06-05
    • US14232894
    • 2012-07-13
    • Milena StangaRiccardo PieriAnna Maria BertasaBradley Lane KentGiulio Brinati
    • Milena StangaRiccardo PieriAnna Maria BertasaBradley Lane KentGiulio Brinati
    • H01M4/62H01M4/04
    • 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: —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 —ROH is a hydrogen atom or a C1-C5 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 N 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:-R1,R2和R3彼此相同或不同,独立地选自氢原子和C1-C3烃基,-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%的 至少一种有机溶剂(S),其中根据ISO 13321测量,N水性胶乳中的聚合物(F)的平均初级粒径小于1μm的初级粒子的形式。本发明还涉及 涉及使用sai制造电极的方法 d含量的组合物涂覆到包含涂覆在至少一个表面上的金属基材与所述含水组合物并且使用所述电极制造非水型电化学装置的电极。