ФТОРЭЛАСТОМЕРНЫЙ СОПОЛИМЕР И СШИТЫЙ ФТОРЭЛАСТОМЕРНЫЙ СОПОЛИМЕР

FIELD: chemistry of polymers. SUBSTANCE: fluoroelastomeric copolymer (FEC) comprises (mole%): 5.2-63.0 vinylidene fluoride (VF) units, 21.5-32.5 hexafluoropropylene and/or perfluorovinyl ether (PFVE) units; 8.0-41.3 ethylene units; 71-34.2 tetrafluoroethylene (TFE) units provided that when the sum of ethylenic and perfluorovinyl units is equal or more than 70 mole%, than such copolymer has sufficiently high molecular weight corresponding to Mooney viscosity of at least 10 ML 121 (1+10), FEC may contain as PFVE units, perfluoromethyl vinyl ether, and as haxafluoropropylene and/or PEVE units, may contain only perfluoromethylvinyl ether, FEC may further contain monomeric units of iodo-and/or bromoolefin derivatives and/or bromoalkylvinyl ethers in amount of 0.05-2 moles per 100 moles of all other monomeric units. End groups of FEC may further contain iodine and/or bromine atoms. Fluoroelastomeric copolymers are used to form cross- linked FEC by vulcanization in the presence of peroxides or by ionic vulcanization using bisphenol and quaternary phosphonium or ammonium salt. EFFECT: mechanical properties and high resistance of copolymers to chemicals and polar solvents. 9 cl, 6 tbl 410560140сС ПЧ ГЭ РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (19) (51) МПК ВИ” 2 070 207 '” Сл С 08 Е 214/22 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 5011637/04, 14.05.1992 (30) Приоритет: 15.05.1991 |Т М1 Э1А 001339 (46) Дата публикации: 10.12.1996 (56) Ссылки: Патент ЕПВ М 335705, кл. С 081 271/12, 1989. Патент США М 46940545, кл. Е 214/26, 1987. Патент ЕПВ М 131308, кл. ОЗЕР 214/26, 1985. Патент США М 4368308, кл. СОЗЕ 216/24, 1983. С 08 (71) Заявитель: Аусимонт С.п.А. (1Т) (72) Изобретатель: Винченцо Арчелла[П], Маргерита Альбано[1Т], Грациэлла Къодини[1Т], Анна Минутилло[1], Джулио Бринати[1Т] С (73) Патентообладатель: Аусимонт С.п.А. (1Т) (54) ФТОРЭЛАСТОМЕРНЫЙ СОПОЛИМЕР И СШИТЫЙ ФТОРЭЛАСТОМЕРНЫЙ СОПОЛИМЕР (57) Реферат: Использование: для — ...

VINYLIDENFLUORIDCOPOLYMER UND VERFAHREN ZU SEINER HERSTELLUNG.

FLUOROELASTOMERE ON BASIS OF VINYLIDFLUORID WITH A SUPERIOR STABILITY AGAINST ORGANIC BASES

AQUEOUS EMULSION POLYMERIZATION IN PRESENCE OF ETHERN AS CHAIN TRANSMISSION MEANS FOR THE PRODUCTION OF FLUORINE POLYMERS

Aqueous emulsion polymerization in the presence of ethers as chain transfer agents to produce fluoropolymers

Verfahren zur Herstellung von Fluor enthaltenden Copolymeren

Fluororesin and riser pipe

CURABLE FLUORINATED COPOLYMER, ITS MANUFACTURING METHOD AND ITS APPLICATION IN VARNISHES AND PAINTS

플루오로중합체-기초 혼성 유기/무기 복합체

... 본 발명은, - 하기 화학식을 가진 적어도 1종의 (메트)아크릴 단량체[단량체(MA)]로부터 유도된 반복단위를 포함하는 적어도 1종의 플루오로중합체[중합체(F)] (식에서, 서로 동일하거나 상이한 R1, R2 및 R3 각각은 독립적으로 수소원자 또는 C1-C3 탄화수소기이고, ROH는 수소원자이거나, 또는 적어도 하나의 하이드록실기를 포함하는 C1-C5 탄화수소 모이어티임); 및 - 하기 화학식을 가진 적어도 1종의 금속 화합물[화합물(M)] X4-mAYm (식에서, m은 1 내지 4의 정수, 특정 구현예에 따르면 1 내지 3의 정수이고, A는 Si, Ti 및 Zr로 이루어진 군에서 선택되는 금속이고, Y는 가수분해성 기이고, X는 선택적으로 하나 이상의 관능기를 포함하는 탄화수소기임)의 혼합물을 제공하는 (i) 단계; - 상기 중합체(F)의 상기 단량체(MA)의 ROH기 중 하이드록실기의 적어도 일 부분을 상기 화합물(M)의 적어도 일 부분과 반응시켜, 펜던트(곁가지) -Ym-1AX4-m기(식에서, m, Y, A 및 X는 전술한 것과 동일한 의미를 지님)를 포함한 그래프트 중합체를 얻는 단계; - 화합물(M) 및/또는 펜던트 -Ym-1AX4-m기를 가수분해 및/또는 중축합시켜 전술한 바와 같이 무기 도메인을 포함하는 플루오로중합체 혼성 유기/무기 복합체를 생성하는 단계를 포함하는 플루오로중합체 혼성 유기/무기 복합체의 제조 방법, 그로부터 얻어지는 플루오로중합체 혼성 유기/무기 복합체, 및 여러 사용분야에서의 상기 복합체의 용도에 관한 것이다.

VINYLIDENE FLUORIDE COPOLYMERS

불화비닐리덴계 공중합체, 그 제조방법, 겔 전해질 및 비수계 전지

... 본 발명의 불화비닐리덴계 공중합체는 헥사플루오로프로필렌 및 클로로트리플루오로에틸렌에서 선택되는 적어도 1종의 불소계 모노머와, 불화비닐리덴과, 식(1)로 나타내는 화합물(식(1)에서 X는 하이드록시기이거나, 또는 카르복시기를 가지고, 또한 주쇄의 원자수가 1~19인 분자량 517 이하의 원자단이다.)을 공중합하여 얻어지는 중합체로서, 상기 공중합에서 식(1)로 나타내는 화합물이 불소계 모노머 및 불화비닐리덴에 대하여 분할하여 또는 연속적으로 첨가되는 것에 의해 얻어지며, 본 발명의 겔 전해질은 해당 불화비닐리덴계 공중합체 및 비수전해액을 포함하고, 해당 겔 전해질은 이온 전도도와 겔 강도의 밸런스가 뛰어나다.

플루오로중합체 필름

... 본 발명은 플루오로중합체 필름의 제조 방법, 그로부터 수득 가능한 플루오로중합체 필름 및 전기화학 및 광전기화학 장치에서 상기 플루오로중합체 필름의 용도에 관한 것이다.

Hardenable, fluorinated copolymer process for its manufacture and its application in varnishes and paints

A hardenable fluorinated copolymer of fluorinated monomers and an acrylamide derivative and paints, paints and varnishes comprising such copolymers, and the process of making such hardenable copolymer.

Fluoropolymer Compositions Comprising A Curing Agent with Ethylenically Unsaturated and Electron Donor Groups, and Substrates Coated Therewith

A method of making a crosslinked fluoropolymer is described. The method comprises applying a composition to a substrate, wherein the composition comprises fluoropolymer and a fluorinated solvent, one or more curing agents comprising an ethylenically unsaturated group and an electron donor group or precursor thereof. The method further comprises removing the solvent and curing the fluoropolymer with actinic (e.g. ultraviolet “UV”) radiation. Also described is a composition comprising a fluoropolymer dissolved in a fluorinated solvent, and one or more curing agents comprising an ethylenically unsaturated group and an electron donor group or precursor thereof; and article comprising the crosslinked fluoropolymer.

DISPERSED PHASE POLYMERISATION OF HALOGENATED VINYL MONOMERS IN THE PRESENCE OF LIVE REACTIVE STABILISERS

VINYLIDENE FLUORIDE-BASED COPOLYMER

PURPOSE: To provide the subject copolymer synthesized by copolymerization of a specified ratio of a vinylidene fluoride-containing monomer and an unsaturated dibasic acid monoester, excellent in chemical resistance and useful as a base material of a binder, an adhesive, a coating material, etc. CONSTITUTION: The objective copolymer is synthesized by copolymerization of 100 pts.wt. monomer containing 80wt.% vinylidene fluoride and 0.1 to 3 pts.wt. unsaturated dibasic acid monoester (preferably maleic acid monoester or citraconic acid monomethyl ester). In addition, the amount of another monomer copolymerizable with vinylidene fluoride is preferably 20wt.% based on the total amount of vinylidene fluoride and the other monomer. COPYRIGHT: (C)1994,JPO&Japio ...

Hydrophilic fluoropolymer

The present invention pertains to a process for the manufacture of a grafted fluoropolymer [polymer (Fg)], said process comprising reacting: A) at least one fluoropolymer comprising at least one functional group selected from the group consisting of a hydroxyl group and a carboxylic acid group [polymer (F)], B) at least one polyoxyalkylene (POA) of formula (I): R ...

FLUOROELASTOMERIC AND FLUOROPLASTOMERIC COPOLYMERS HAVING A HIGH RESISTANCE TO BASES

The invention relates to new fluoroelastomeric copolymers having resistance to bases and suitab1e, in particular, for preparing 0-rings, comprising: (I) VDF .......................... 47-80 mols % HFP and/or PAVE .............. 16-30 mols % hydrogenated olefin containing 2-4 C ...................... 2-25 mols % or (II) VDF .......................... 42-80 mols % PAVE ......................... 16-30 mols % hydrogenated olefin containing 2-4 C ...................... 2-30 mols % The invention further relates to new fluoroplastomeric copolymers endowed with resistance to bases, comprising: (III) VDF .......................... 70-99 mols % HFP and/or PAVE .............. 0-16 mols % hydrogenated olefin containing 2-4 C ...................... 1-30 mols % A further aspect of the invention relates to a process for preparing the abovesaid fluoroelastomeric and fluoroplastomeric copolymers.

BINDER, CATHODE MIXTURE AND ANODE MIXTURE

... 본 발명은 종래에 비해 사용량을 저감시킨 경우에도, 분말 전극 재료를 잘 유지하고, 또한 집전 기재와의 밀착성이 우수하고, 고밀도화를 위해 전극을 두껍게 칠해 감고, 프레스해도 전극이 깨지지 않는 유연성을 갖는 고용량화이면서도 또한 고전압화에 적합한 결착제, 정극합제 및 부극합제를 제공하는 것을 목적으로 한다. 본 발명은 불소 함유 중합체를 포함하는 결착제이며, 상기 불소 함유 중합체는, 비닐리덴플루오라이드에 기초하는 중합 단위 및 아미드기(-CO-NRR'(R 및 R'는, 동일하거나 또는 상이하고, 각각 수소 원자 또는 치환기를 가져도 되는 알킬기를 나타냄)) 또는 아미드 결합(-CO-NR"-(R"는, 수소 원자, 치환기를 가져도 되는 알킬기 또는 치환기를 가져도 되는 페닐기를 나타냄))을 갖는 단량체에 기초하는 중합 단위를 갖고, 용액 점도가 10 내지 20,000mPa·s인 것을 특징으로 하는 결착제이다.

복합 재료

... 본 발명은 비닐리덴 디플루오라이드(VDF)-함유 공중합체 및 전기적으로 비-전도성인 중합체성 재료를 포함하는 복합 재료의 제조 방법, 상기 방법을 통해 수득가능한 복합 재료, 그의 전기화학 전지에서의 용도 및 상기 복합 재료를 포함하는 전기화학 전지에 관한 것이다.

VINYLIDENE FLUORIDE POLYMER-BASED BINDER SOLUTION AND ELECTRODE-FORMING COMPOSITION

A binder solution for providing an electrode suitable for use in a non-aqueous electrolytic solution is formed by dissolving a vinylidene fluoride polymer having an abnormal linkage content of below 4 %, which is lower than a conventional level, in an organic solvent. An electrode-forming composition is formed by dispensing a powdery electrode material in the binder solution and is applied onto an electroconductive substrate, followed by drying, to form a composite electrode layer, which is well resistant to a non-aqueous electrolytic solution, thereby providing a secondary battery or an electric double layer capacitor with an improved charge-discharge cycle performance.

Fluoropolymer composite with high ionic conductivity

A fluoropolymer composite with high ionic conductivity that may be applied in electroactive polymer composite includes following components: PVDF-g-SPS; PVDF; and hydrocarbon- or fluoro-elastomer. After being mixed with specific proportion and being dissolved in an oily or non-oily solvent of non-proton or proton of high boiling point, the invention is coated on a substrate and is heated to get rid of the solvent afterwards to get a compound membrane. Then, a compound membrane of PVDF-g-SPS may be obtained by sulphonating the aforementioned compound membrane. The obtained compound membrane has excellent properties, such as thermal stability, acid-alkali resistance, good mechanical performance, excellent flexibility, and capability for processing appropriate cross-link for further enhancing the mechanical performance of this membrane.

Hardenable, fluorinated copolymer process for its manufacture and its application in varnishes and paints

A hardenable fluorinated copolymer of fluorinated monomers and an acrylamide derivative and paints, paints and varnishes comprising such copolymers, and the process of making such hardenable copolymer.

FLUOROPOLYMER MEMBRANE FOR ELECTROCHEMICAL DEVICES

The present invention pertains to a membrane for an electrochemical device, to a process for manufacturing said membrane and to use of said membrane in a process for manufacturing an electrochemical device.

Copolymers for barriers

A moisture barrier copolymer comprising from about 0.1 wt% to about 50 wt% vinylidene fluoride; and from about 50 wt% to about 99.9 wt% a fluorinated comonomer is provided. The copolymer is substantially impermeable to moisture. A process for the preparation of the copolymer is also provided.

FLUORINE CONTAINING ELASTOMERS AND PLASTOMERE COPOLYMERS WITH HIGH ALKALI STABILITY

Fluoropolymers

The invention relates to novel linear, semi-crystalline fluoropolymers containing 0.5 to 25 mole percent of at least one vinyl ester monomer unit. At least 40 mole percent of the vinyl ester monomer units are present in the copolymer as single monomer units (not diads or triads or greater) between two fluoromonomer units. The invention also relates to a process for forming the fluoromonomers/vinyl ester copolymer. The fluoropolymer of the invention may be used in applications benefiting from a functional fluoropolymers including as a binder, or for use in forming hydrophilic membranes and hollow fibers.

Dense fluoropolymer film

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-(CH ...

Fluoropolymers

The invention relates to novel linear, semi-crystalline fluoropolymers containing 0.5 to 25 mole percent of at least one vinyl ester monomer unit. At least 40 mole percent of the vinyl ester monomer units are present in the copolymer as single monomer units (not diads or triads or greater) between two fluoromonomer units. The invention also relates to a process for forming the fluoromonomers/vinyl ester copolymer. The fluoropolymer of the invention may be used in applications benefiting from a functional fluoropolymers including as a binder, or for use in forming hydrophilic membranes and hollow fibers.

AQUEOUS EMULSION POLYMERIZATION IN THE PRESENCE OF ETHERS AS CHAIN TRANSFER AGENTS TO PRODUCE FLUOROPOLYMERS

The present invention provides a method of making a fluoropolymer comprising repeating units derived from one or more gaseous fluorinated monomers. The method comprises an aqueous emulsion polymerization of gaseous fluorinated monomers in the presence of an ether selected from the group consisting of dimethyl ether (DME), methyl tertiary butyl ether (MTBE) and mixtures thereof.

HYDROPHILIC FLUOROPOLYMER

The present invention pertains to a process for the manufacture of a grafted fluoropolymer [polymer (Fg)], said process comprising reacting: A) at least one fluoropolymer comprising at least one functional group selected from the group consisting of a hydroxyl group and a carboxylic acid group [polymer (F)], B) at least one polyoxyalkylene (POA) of formula (I): RB-(CH2-O)x-(CH2CHRAO)n-(CH2-O)x'-RC,wherein at least one of RB and RC is a reactive group comprising at least one heteroatom selected from oxygen and nitrogen different from the hydroxyl group, the remaining, if any, being a -[O]z-CH3 alkyl group, wherein z is 0 or 1, RA is a hydrogen atom or a C1-C5 alkyl group, x and x', equal to or different from each other, are independently 0 or 1, and n is an integer comprised between 2 and 1000, preferably between 5 and 200, C) optionally, in the presence of at least one catalyst, and D) optionally, in the presence of at least one organic solvent (S). The present invention also pertains to ...

HYDROPHILIC FLUOROPOLYMER

The present invention pertains to a process for the manufacture of a grafted fluoropolymer [polymer (Fg)], said process comprising reacting: A) at least one fluoropolymer comprising at least one functional group selected from the group consisting of a hydroxyl group and a carboxylic acid group [polymer (F)], B) at least one polyoxyalkylene (POA) of formula (I): RB-(CH2-O)x-(CH2CHRAO)n-(CH2-O)x'-RC,wherein at least one of RB and RC is a reactive group comprising at least one heteroatom selected from oxygen and nitrogen different from the hydroxyl group, the remaining, if any, being a -[O]z-CH3 alkyl group, wherein z is 0 or 1, RA is a hydrogen atom or a C1-C5 alkyl group, x and x', equal to or different from each other, are independently 0 or 1, and n is an integer comprised between 2 and 1000, preferably between 5 and 200, C) optionally, in the presence of at least one catalyst, and D) optionally, in the presence of at least one organic solvent (S). The present invention also pertains to ...

Copolymère durcissable fluoré, son procédé de fabrication et son application dans les vernis et peintures

Copolymère durcissable contenant les restes de copolymérisation d'un monomère fluoré et d'un dérivé de l'acrylamide caractérisé en ce que : a) les restes de monomère fluoré proviennent de l'association de fluorure de vinylidène e d'un autre monomère fluoré choisi parmi le tétrafluoroéthylène, le chlorotrifluoroéthylène, l'hexafluororopropène ou d'un mélange d'au moins deux des trois monomères; b) les restes du dérivé de l'acrylamide proviennent d'un composé de formule : R = H, CH3 Ce copolymère durcissable est obtenu par copolymérisation en solution dans un solvant organique. En solution dans un solvant adapté ce copolymère est utilisé dans les peintures et vernis.

전기화학 장치용 플루오로중합체 막

... 본 발명은 전기화학 장치용 막, 상기 막의 제조 방법 및 전기화학 장치의 제조 방법에서 상기 막의 용도에 관한 것이다.

METHOD FOR MANUFACTURING FLUOROELASTOMERS

The invention pertains to a process for manufacturing a fluoroelastomer [fluoroelastomer (A)] having a heat of fusion of less than 5 J/g as measured by ASTM D-3418-08, said method comprising emulsion polymerizing vinylidene fluoride (VDF) in the presence of at least one additional fluorinated monomer, in an aqueous polymerization medium, said method comprising polymerizing VDF and said additional fluorinated monomer(s) in the presence of a redox radical initiator system comprising: - at least one organic oxidizing agent [agent (O)]; - at least one organic reducing agent [agent (R)]; wherein agent (O) is fed to said polymerization medium separately from agent (R), so that agent (O) comes in contact with agent (R) exclusively in said polymerization medium comprising VDF and optional additional monomer(s), to fluoroelastomers having low amount of chain defects and low amount of polar end groups, notably obtainable from said process, and to curable compositions therefrom.

FLUOROELASTOMER COMPOSITION

The invention pertains to a fluoroelastomer composition comprising: (a) a vinylidene fluoride-based fluoroelastomer [fluoroelastomer (A)] comprising recurring units derived from vinylidene fluoride (VDF) and recurring units derived from at least one additional (per)fluorinated monomer; said fluoroelastomer (A): —possessing a polydispersity index (IMWD) of between 1.5 and 3.5, —comprising an amount of polar end groups of formula —CF2CH2OH of at least 3 mmol/kg and at most 6 mmol/kg, and —further comprising end of chain groups of formula —CF2H, —CF2CH3, and, optionally, —OC(0)—RH (with RH being a C1-C6 alkyl group) in an amount such to satisfy the following inequality: [—CF2CH2OH]+[—CF2H]+[—CF2CH3H—OC(0)RH]≤30+(2×106)/Mn, (b) at least one polyhydroxylated curing agent; (c) at least one accelerant; (d) at least one metal oxide selected from the group consisting of divalent metal oxides; and (e) optionally, at least one metal hydroxide, wherein the amount of said metal hydroxide, if present ...

AQUEOUS EMULSION POLYMERIZATION IN THE PRESENCE OF ETHERS AS CHAIN TRANSFER AGENTS TO PRODUCE FLUOROPOLYMERS

The present invention provides a method of making a fluoropolymer comprising repeating units derived from one or more gaseous fluorinated monomers. The method comprises an aqueous emulsion polymerization of gaseous fluorinated monomers in the presence of an ether selected from the group consisting of dimethyl ether (DME), methyl tertiary butyl ether (MTBE) and mixtures thereof.

HAERTBARE FLUORIDATED COPOLYMERS, YOUR MANUFACTURING PROCESS AND YOUR USE IN COLORS AND LACQUERS.

FLUOROELASTOMERS BASED ON VINYLIDENE FLUORIDE EXHIBITING SUPERIOR RESISTANCE TO ORGANIC BASES

FLUOROELASTOMERS BASED ON VINYLIDENE FLUORIDE EXHIBITING SUPERIOR RESISTANCE TO ORGANIC BASES Fluoroelastomeric copolymers exhibiting high resistance to bases and alcohols, as well as high mechanical properties and low-temperature resistance, comprising, in moles: 4-75% of units of vinylidene fluoride; 12-40% of units of hexafluoropropene and/or perfluorovinylether and/or hydropentafluoropropene and/or chlorotrifluoroethylene; 2-35% of units of an olefin containing up to 4 carbon atoms; 2-60% of units of tetrafluoroethylene, provided that, when the sum of the olefin units and the perfluorovinylether units is equal to or greater than 70%, such copolymers possess a molecular weight sufficiently high to exhibit good mechanical characteristics. (VA-331-02/ES) - 1 ...

접착성을 갖는 필름을 제공하기 위한 비닐리덴 플루오라이드 공중합체의 용도

... 본 발명은 고체 중합체 필름의 제조에서 금속 또는 중합체 표면 또는 유리에 접착성을 부여하기 위한, 플루오르화 공중합체의 용도에 관한 것이다. 본 발명은 또한 금속, 중합체 또는 유리질 기판 및 적어도 하나의 금속 또는 유리질 요소와 직접 접촉하는 고체 중합체 필름을 포함하는 복합 부품에 대한 플루오로 중합체의 접착력을 개선시키는 방법에 관한 것이다.

PROCESS FOR MANUFACTURING POROUS MEMBRANES

FLUOROELASTOMERS

VDF-based curable fluoroelastomers, having a glass transition temperature lower than -49°C, preferably lower than -50°C, and having the following composition, as per cent by moles: A) from 25% to 50%, preferably from 30% to 45%, of the monomer of formula: CF2=CFOCF2OCF3 (a); B) one or more (per)fluorinated comonomers having at least one unsaturation of ethylene type in amounts from 75% to 50%, preferably from 70% to 55%; said one or more comonomers comprising vinylidene fluoride (VDF) in amounts from 50% to 75% on the total of the monomer moles; the sum of the molar percentages of the monomers being 100%; said fluoroelastomers containing an amount of -COF end groups in the polymer lower than the sensitivity limit of the method reported in the description.

Aqueous emulsion polymerization in the presence of ethers as chain transfer agents to produce fluoropolymers

The present invention provides a method of making a fluoropolymer comprising repeating units derived from one or more gaseous fluorinated monomers. The method comprises an aqueous emulsion polymerization of gaseous fluorinated monomers in the presence of an ether selected from the group consisting of dimethyl ether (DME), methyl tertiary butyl ether (MTBE) and mixtures thereof.

ФТОРЭЛАСТОМЕРНЫЙ СОПОЛИМЕР

FIELD: production of sealing materials. SUBSTANCE: fluoroelastomer copolymer comprises vinylidene fluoride monomeric units (their quantity is 50-80 mol %), hexafluoropropylene monomeric units (their quantity is 16-30 mol %) and ethylene monomeric units (their quantity is 4-20 % mol %, 4-15 mol % being preferable). Fluoropolymers being vulcanized by ionic systems have high elastomer characteristics at low temperature. EFFECT: improved quality of desired product. 2 cl, 4 tbl з690гс ПЧ Го РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ ЗВО“” 2107 698 ' 13) СЛ 60 МК” С 08Е 214/22 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 93005161/04, 21.05.1993 (30) Приоритет: 22.05.1992 11 М192А 001244 (46) Дата публикации: 27.03.1998 (56) Ссылки: Ц5, патент, 4368308, кл. С 08Е 216/24, 1983. ($, патент, 4694045, кл. С 08 Е 216/26, 1988. ЕР, заявка, 186180, кл. С 08 Е 214/22, 1986. (71) Заявитель: Аусимонт С.п.А. (1Т) (72) Изобретатель: Винченцо Аркелла[], Джулио Бринати[!], Маргерита Альбано[!Т] (73) Патентообладатель: Аусимонт С.п.А. (1Т) (54) ФТОРЭЛАСТОМЕРНЫЙ СОПОЛИМЕР (57) Реферат: Изобретение используется в производстве уплотнителей для валов, шлангов, колец. Фтороластомерный сополимер включает 50 - 80 мол. % звеньев винилиденфторида, 16 - 30 мол. % гексафторпропилена и 4 - 20 мол. % этилена. Молекулярная масса соответствует вязкости по Муни (1 + 10, 121°С), по крайней мере, 5. Предпочтительно фторэластомерный сополимер включает 4 - 15 мол. % этилена. Фторсополимеры, вулканизуемые используемыми ИОННЫМИ системами, обладают высокими эластомерными характеристиками при низких температурах. 1 3. п. ф-лы, 4 табл. 2107698 С1 КО з690гс ПЧ Го КУЗЗАМ АСЕМСУ ГОК РАТЕМТ$ АМО ТКАОЕМАКК$ (19) 13) ВИО "” 2107 698 ' (51) пЁ. С1.6 С 08 Е 214/22 СЛ 12) АВЗТКАСТ ОЕ 1МУЕМТОМ (21), (22) АррИсаНоп: 93005161/04, 21.05.1993 (71) АррисапЕ (30) Рцогйу: 22.05.1992 1 М192 А 001244 (46) Рае о! рибИсаНоп: 27.03.1998 Ачэтогт $.р.А. (ГТГ) (72) пуетог. Утспетзо Агкейа[П], О7Рийо ...

VINYLIDENE FLUORIDE POLYMER-BASED BINDER SOLUTION AND ELECTRODE-FORMING COMPOSITION

A binder solution for providing an electrode suitable for use in a non-aqueous electrolytic solution is formed by dissolving a vinylidene fluoride polymer having an abnormal linkage content of below 4 %, which is lower than a conventional level, in an organic solvent. An electrode-forming composition is formed by dispensing a powdery electrode material in the binder solution and is applied onto an electroconductive substrate, followed by drying, to form a composite electrode layer, which is well resistant to a non-aqueous electrolytic solution, thereby providing a secondary battery or an electric double layer capacitor with an improved charge-discharge cycle performance.

VINYLIDENE FLUORIDE-ACRYLIC ACID ESTER COPOLYMER, PROCESS FOR PRODUCING THE SAME AND COMPOSITION CONTAINING THE SAME

A substantially random, linear vinylidene fluoride-acrylic acid ester copolymer comprising: (A) 5-85% by weight of a vinylidene fluoride unit, (B) 15-95% by weight of at least one unit selected from the group consisting of an alkyl acrylate unit and an alkoxy-substituted alkyl acrylate unit, and (C) optionally 10% by weight or less, based on the total weight of (A), (B) and (C), of a crosslinking monomer unit, and having an intrinsic viscosity of 0.0110 dl/g as measured at 30.degree.C in N,N-dimethylformamide. Said copolymer has not only excellent heat resistance, ozone resistance and sour gasoline resistance but also excellent resistance to gasoline permeation.

DENSE FLUOROPOLYMER FILM

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 ...

METHOD FOR MANUFACTURING A POLYMER ELECTROLYTE SEPARATOR AND POLYMER ELECTROLYTE SEPARATOR THEREFROM

The invention pertains to a process for manufacturing a polymer electrolyte separator based on a fluoropolymer hybrid organic/inorganic composite, said process comprising: (i) providing a mixture of: - at least one fluoropolymer comprising recurring units derived from at least one (meth)acrylic monomer [monomer (MA)] of formula (I): wherein each of R1, R2, R3, equal or different from each other, is independently a hydrogen atom or a C1-C3 hydrocarbon group, and ROH is a C1-C5 hydrocarbon moiety comprising at least one hydroxyl group [polymer (F)]; - at least one metal compound [compound (M)] of formula: X4-mAYm wherein m is an integer from 1 to 4, A is a metal selected from the group consisting of Si, Ti and Zr, Y is a hydrolysable group, X is a hydrocarbon group, optionally comprising one or more functional groups; and - at least one electrolyte (E); and - at least one liquid plasticizer (S); (ii) reacting at least a fraction of hydroxyl groups of the ROH groups of said monomer (MA) of ...

Vinylidene fluoride copolymers

The present invention pertains to a fluoropolymer [polymer (F)] comprising: - recurring units derived from vinylidene fluoride (VDF), and - from 0.01 % to 5% by moles of recurring units derived from at least one (meth)acrylic monomer [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 - ROH represents a hydrogen atom or a C1-C5 hydrocarbon moiety comprising at least one hydroxyl group, said polymer (F) comprising end groups having formula -CF2H and/or -CF2CH3 in an amount of at least 30 mmoles per Kg of vinylidene fluoride (VDF) recurring units. The invention also pertains to a process for the manufacture of said polymer (F) and to use of said polymer (F) as binders for the manufacture of electrodes or for the manufacture of membranes.

Vinylidene fluoride copolymer, method for producing same, gel electrolyte and nonaqueous battery

USE OF A VINYLIDENE FLUORIDE COPOLYMER FOR CONFERRING A FILM ADHESION PROPERTIES TO

La présente invention concerne l'utilisation d'un copolymère fluoré dans la fabrication d'un film polymère solide, pour conférer audit film des propriétés d'adhésion sur une surface métallique ou sur du verre. Elle concerne également un procédé pour améliorer l'adhésion à un substrat métallique ou vitreux d'un polymère fluoré, ainsi qu'une pièce composite comprenant un film polymère solide en contact direct avec au moins un élément métallique ou vitreux.

USE OF A VINYLIDENE FLUORIDE COPOLYMER FOR CONFERRING A FILM ADHESION PROPERTIES TO

La présente invention concerne l'utilisation d'un copolymère fluoré dans la fabrication d'un film polymère solide, pour conférer audit film des propriétés d'adhésion sur une surface métallique ou sur du verre. Elle concerne également un procédé pour améliorer l'adhésion à un substrat métallique ou vitreux d'un polymère fluoré, ainsi qu'une pièce composite comprenant un film polymère solide en contact direct avec au moins un élément métallique ou vitreux. The present invention relates to the use of a fluorinated copolymer in the manufacture of a solid polymer film, to confer on said film adhesion properties on a metal surface or on glass. It also relates to a method for improving the adhesion to a metallic or vitreous substrate of a fluoropolymer, as well as a composite part comprising a solid polymer film in direct contact with at least one metallic or vitreous element.

친수성 비닐리덴 플루오라이드 중합체

본 발명은 1개 이상의 글리코시드 반복단위가 포함된 적어도 1개의 그래프트된 측쇄를 포함하는 그래프트된 불소화 중합체[중합체(F)]의 제조 방법에 관한 것이며, 상기 방법은, ASTM D445에 따라 20℃에서 2 중량% 농도의 수용액 내에서 측정하였을 때 동적 점도가 15 mPa x s 미만인 적어도 1종의 다당류 유도체[유도체(P)]의 존재 하에, - 비닐리덴 플루오라이드(VDF), - 선택적으로, 1종 이상의 다른 불소화 단량체[단량체(F)], 및 - 선택적으로, 1종 이상의 (메트)아크릴 단량체[단량체(MA)]를 중합시키는 단계, 및 추가로 위에 정의된 바와 같은 신규 중합체(F)를 제공하는 단계를 포함한다. The present invention relates to a process for the preparation of a grafted fluorinated polymer [polymer (F)] comprising at least one grafted side chain comprising at least one glycoside repeat unit, said process comprising the steps of: Vinylidene fluoride (VDF), optionally in the presence of at least one polysaccharide derivative [derivative (P)] having a dynamic viscosity of less than 15 mPa xs as measured in a 2% (Meth) acrylic monomer (monomer (MA)), and further providing a novel polymer (F) as defined above, in the presence of a base, .

FLEXIBLE PVDF POLYMERS

COPOLYMERS OF VINYLIDENE FLUORIDE AND VINYL ESTERS

Fluoroelastomers are disclosed that comprise copolymerized units of vinylidene fluoride and a vinyl ester of the formula CH2=CHOC(O)R, wherein R is a C1-C4 alkyl group. In one embodiment of the invention, the fluoroelastomers further comprise copolymerized units of a perfluoro(alkyl vinyl ether) and, optionally, tetrafluoroethylene. In another embodiment, the vinylidene fluoride/vinyl ester fluoroelastomers further comprise hexafluoropropylene. Optionally, fluoroelastomers of the invention contain copolymerized units of a cure site monomer.

Bonding agent used in lithium-ion battery

A bonding agent includes: structural units represented by Formula I, Formula II, Formula III, and Formula IV: where each of R1, R2, R3, and R4is independently selected from the group consisting of hydrogen, and C1-8straight-chain or branched alkyl groups substituted or not substituted by a substituting group, each of R5, R6, and R7is independently selected from the group consisting of hydrogen, and C1-6straight-chain or branched alkyl groups substituted or not substituted by a substituting group, R8is selected from C1-15alkyl groups substituted or not substituted by a substituting group, each of R9, R10, and R11is independently selected from the group consisting of hydrogen, and C1-6straight-chain or branched alkyl groups substituted or not substituted by a substituting group.

Vinylidene fluoride and trifluoroethylene polymers

The present invention pertains to a fluoropolymer [polymer (F)] comprising: 2. The fluoropolymer of claim 1 , wherein the (meth)acrylic monomer (MA) is acrylic acid (AA) or hydroxyethylacrylate (HEA).3. The fluoropolymer of claim 1 , further comprising recurring units derived from one or more other fluorinated comonomers [comonomer (F)].4. The fluoropolymer of claim 1 , comprising end groups of formula —CFH and/or —CFCHin an amount of less than 30 mmoles per Kg of VDF recurring units.5. The fluoropolymer of claim 1 , comprising end groups of formula —CFH and/or —CFCHin an amount of at least 30 mmoles per Kg of VDF recurring units.6. The fluoropolymer of claim 1 , consisting of:from 40% to 85% by moles of recurring units derived from said vinylidene fluoride (VDF),from 10% to 50% by moles of recurring units derived from said trifluoroethylene (TrFE), andfrom 0.01% to 1% by moles of recurring units derived from said at least one (meth)acrylic monomer (MA) having said formula (I).7. The fluoropolymer of claim 1 , consisting of:from 40% to 85% by moles of recurring units derived from said vinylidene fluoride (VDF),from 10% to 50% by moles of recurring units derived from said trifluoroethylene (TrFE),from 2% to 20% by moles of recurring units derived from chlorotrifluoroethylene (CTFE), andfrom 0.01% to 1% by moles of recurring units derived from said at least one (meth)acrylic monomer (MA) having said formula (I).8. A process for the manufacture of the fluoropolymer of claim 1 , said process comprising polymerizing said vinylidene fluoride (VDF) claim 1 , said trifluoroethylene (TrFE) claim 1 , said at least one (meth)acrylic monomer (MA) having said formula (I) and claim 1 , optionally claim 1 , one or more other fluorinated comonomers (F) in the presence of at least one radical initiator in a polymerization medium comprising:water,at least one fluorinated surfactant [surfactant (FS)], andat least one non-functional perfluoropolyether (PFPE) oil.9. The process of claim ...

COPOLYMERS FOR BARRIERS

A polyvinylidene difluoride copolymer with a fluoroolefin selected from 2,3,3,3-tetrafluoropropene, 1,1,3,3,3-pentafluoropropene, 2-chloro-pentafluoropropene, hexafluoropropylene, trifluoroethylene, chlorotrifluoroethylene, 3,3,3-trifluoro-2-trifluoromethylpropene and a mixture thereof, wherein the stoichiometry of the co-monomers defines the barrier properties of the copolymer. Such polymers include moisture barrier copolymers and oxygen barrier copolymer. Processes for preparing such moisture barrier copolymers and oxygen barrier copolymers are also provided.

EPOXY GROUP-CONTAINING VINYLIDENE FLUORIDE-BASED COPOLYMER, RESIN COMPOSITION CONTAINING THE SAME, ELECTRODE STRUCTURE AND NON-AQUEOUS ELECTROCHEMICAL DEVICE

PROBLEM TO BE SOLVED: To provide a vinylidene fluoride-based copolymer having good adhesive property to a substrate such as of metal and high thermal stability, thus highly suitable as an electrode binder for non-aqueous electrochemical devices such as secondary batteries or electrical double layer capacitors, to provide a composition containing the copolymer, and to provide such an electrochemical device. SOLUTION: This copolymer is obtained by suspension copolymerization between vinylidene fluoride as the main component and a minor amount of an epoxy group-containing acrylic vinyl monomer preferably in an aqueous dispersion medium. COPYRIGHT: (C)2003,JPO ...

POLYMERS

DENSE FLUOROPOLYMER FILM

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 ...

GEL-FORM SOLID ELECTROLYTE-FORMING VINYLIDENE FLUORIDE COPOLYMER, SOLID ELECTROLYTE AND BATTERY

A solid polymer electrolyte having improved ionic conductivity, improved adhesion to a collector base, and greatly improved heat resistance is formed from a crosslinked vinylidene fluoride copolymer comprising 50 to 97 mol % of vinylidene fluoride monomer units and 0.1 to 5 mol % of units derived from either a monoester of an unsaturated dibasic acid or an epoxy vinyl monomer. It is useful for improving the properties of non-water-base batteries such as lithium ion batteries.

Fluoride polymers of vinylidene, tetrafluoroethylene and olefinic acids

FLUORINATED SETTING COPOLYMER, ITS MANUFACTORING PROCESS AND ITS APPLICATION IN VARNISHES AND PAINTINGS

HYDROPHILIC FLUOROPOLYMER

본 발명은 그래프트 플루오로중합체 [중합체 (Fg)]의 제조 방법에 관한 것으로, 상기 방법은: A) 하이드록실기 및 카복실산기로 이루어진 군에서 선택된 관능기 하나 이상을 포함한 1종 이상의 플루오로중합체 [중합체 (F)]와, B) 화학식 (I) R B -(CH 2 -O) x -(CH 2 CHR A O) n -(CH 2 -O) x' -R C (I) (화학식에서 R B 및 R C 중 적어도 하나는 산소 및 질소 중에서 선택된 헤테로원자를 하나 이상을 포함하며 하이드록실기와 상이한 반응기이고, 존재하는 경우 나머지는 -[O] z -CH 3 알킬기 (z는 0 또는 1임)이며; RA는 수소 원자 또는 C 1 -C 5 알킬기이고; 서로 동일하거나 상이한 x 및 x'는 독립적으로 0 또는 1이고; n은 2 내지 1000, 바람직하게는 5 내지 200 범위에 속하는 정수임)의 1종 이상의 폴리옥시알킬렌 (POA)을 C) 선택적으로, 1종 이상의 촉매의 존재하에, D) 선택적으로, 1종 이상의 유기 용매(S)의 존재하에 반응시키는 단계를 포함한다. 또한, 본 발명은 상기 방법으로부터 수득되는 그래프트 플루오로중합체, 및 다공성 막을 제조하기 위한 상기 그래프트 플루오로중합체의 용도에 관한 것이다. The present invention relates to a method for preparing a graft fluoropolymer [polymer (Fg)], the method comprising: A) at least one fluoropolymer including at least one functional group selected from the group consisting of a hydroxyl group and a carboxylic acid group [polymer ( F)] and, B) the general formula (I) R B - (CH 2 -O) x - (CH 2 CHR a O) n - (CH 2 -O) x '-R C (I) ( in the formula R B And at least one of R C contains one or more heteroatoms selected from oxygen and nitrogen, and is a reactive group different from a hydroxyl group, and if present, the rest are -[O] z -CH 3 alkyl groups (z is 0 or 1) And; RA is a hydrogen atom or a C 1 -C 5 alkyl group; x and x'identical to or different from each other are independently 0 or 1; n is an integer in the range of 2 to 1000, preferably 5 to 200) of 1 Reacting at least one polyoxyalkylene (POA) C) optionally, in the presence of at least one catalyst, D) optionally, in the presence of at least one organic solvent (S). In addition, the present invention relates to the graft fluoropolymer obtained from the method, and to the use of the graft fluoropolymer for producing a porous membrane.

METHOD FOR MANUFACTURING A POLYMER ELECTROLYTE SEPARATOR AND POLYMER ELECTROLYTE SEPARATOR THEREFROM

The invention pertains to a process for manufacturing a polymer electrolyte separator based on a fluoropolymer hybrid organic/inorganic composite, said process comprising: (i) providing a mixture of: - at least one fluoropolymer comprising recurring units derived from at least one (meth)acrylic monomer [monomer (MA)] of formula (I): wherein each of R1, R2, R3, equal or different from each other, is independently a hydrogen atom or a C1-C3 hydrocarbon group, and ROH is a C1-C5 hydrocarbon moiety comprising at least one hydroxyl group [polymer (F)]; - at least one metal compound [compound (M)] of formula: X4-mAYm wherein m is an integer from 1 to 4, A is a metal selected from the group consisting of Si, Ti and Zr, Y is a hydrolysable group, X is a hydrocarbon group, optionally comprising one or more functional groups; and - at least one electrolyte (E); and - at least one liquid plasticizer (S); (ii) reacting at least a fraction of hydroxyl groups of the ROH groups of said monomer (MA) of ...

FLUORINE-CONTAINING COPOLYMERS AND CARRIERS FOR DEVELOPING ELECTROSTATIC IMAGES

FLUORORESIN AND RISER PIPE

An object of the present invention it to provide a novel fluororesin that has excellent mechanical strength and chemical resistance, and very low permeability at high temperature. The fluorine resin a copolymer that includes copolymerized units derived from tetrafluoroethylene, vinylidene fluoride, and an ethylenically unsaturated monomer other than tetrafluoroethylene and vinylidene fluoride. The fluororesin has a storage modulus E' , as measured at 170°C by a dynamic viscoelasticity analysis, in the range of 60 to 400 MPa.

FLUOROELASTOMER BASED ON VINYLIDENE FLUORIDE EXHIBITING SUPERIOR RESISTANCE TO ORGANIC BASE

PURPOSE: To obtain the elastomer having a superior resistance to nucleophilic reagents or polar solvents and mechanical properties, by selecting a specific fluoroelastomeric copolymer. CONSTITUTION: A fluoroelastomeric copolymer comprises from 4 to 75% of units of vinylidene fluoride, from 12 to 40% of units of hexafluoropropene and/or perfluorovinylether (e.g. perfluoromethylvinylether) and/or hydropentafluoropropene and/or chlorotrifluoroethylene, from 2 to 35% of units of 1-4C olefin and from 2 to 60% of units of tetrafluoroethylene. When the sum of the olefin unit and the perfluorovinylether unit is 70% or larger, a fluoroelastomeric copolymer having a large molecular weight and a Mooney viscosity of 10 ML (1+10)121 or larger, preferably from 20 to 60 ML (1+10)121 is selected. COPYRIGHT: (C)1994,JPO ...

VINYLIDENE FLUORIDE COPOLYMER, AND BINDER COMPOSITION CONTAINING THE COPOLYMER FOR NON-AQUEOUS SOLVENT-TYPE SECONDARY BATTERY

A vinylidene fluoride copolymer containing a carboxyl group or a carbonate group is formed by copolymerizing a monomer principally comprising vinylidene fluoride with a relatively small amount of an unsaturated dibasic acid monoester or vinylene carbonate. The copolymer has a large adhesion to various substrates or fillers and is excellent in chemical resistance, so that it is useful as a basic substance constituting a binder, an adhesive, a paint, etc. The copolymer is particularly effectively used as a binder for constituting an electrode for a non-aqueous solvent-type secondary battery together with an active substance, or an active substance and an electroconductive material, respectively in a particulate form.

HYBRID FLUOROPOLYMER COMPOSITES

The present invention pertains to a fluoropolymer hybrid organic/inorganic composite, to a process for manufacturing said fluoropolymer hybrid organic/inorganic composite and films and membranes thereof and to uses of said fluoropolymer hybrid organic/inorganic composite and films and membranes thereof in various applications.

비닐리덴 플루오라이드 및 트리플루오로에틸렌 중합체

... 본 발명은 - 비닐리덴 플루오라이드(VDF)로부터 유도된 반복단위; - 트리플루오로에틸렌(TrFE)로부터 유도된 반복단위 10 몰% 내지 50 몰%; 및 - 하기 화학식(I)을 가진 적어도 1종의 (메트)아크릴 단량체[단량체(MA)]로부터 유도된 반복단위 0.01 몰% 내지 10 몰% (화학식에서: - 서로 동일하거나 상이한 R1, R2 및 R3는 독립적으로 수소 원자 및 C1-C3 탄화수소기 중에서 선택되고, - ROH는 수소 원자를 나타내거나 또는 적어도 1개의 하이드록실기를 포함하는 C1-C5 탄화수소 잔기(moiety)를 나타냄)를 포함하는 플루오로중합체[중합체(F)]에 관한 것이다. 본 발명은 또한 상기 중합체(F)의 제조 방법, 및 전기전자 장치 내 강유전성, 압전성, 초전성 또는 유전성 재료로서 상기 중합체(F)의 용도에 관한 것이다.

VINYLIDENE FLUORIDE AND TRIFLUOROETHYLENE POLYMERS

HYDROPHILIC VINYLIDENE FLUORIDE POLYMERS

The present invention pertains to a process for the manufacture of a grafted fluorinated polymer comprising at least one grafted side chain comprising one or more glycosidic recurring units [polymer (F)], said process comprising polymerizing: - vinylidene fluoride (VDF), - optionally, one or more other fluorinated monomers [monomers (F)], and - optionally, one or more (meth)acrylic monomers [monomers (MA)], in the presence of at least one polysaccharide derivative [derivative (P)], said polysaccharide derivative having a dynamic viscosity of less than 15 mPa x s, as measured according to ASTM D445 at 20°C in an aqueous solution at a concentration of 2% by weight, and by further providing novel polymers (F) as defined above.

VINYLIDENE FLUORIDE AND TRIFLUOROETHYLENE CONTAINING POLYMERS LATEXES

The invention provides novel latexes of particles of vinylidene fluoride/trifluoroethylene copolymers possessing a more ordered ferroelectric crystalline phase, and hence improved ferro-, pyro-, and piezo-electric properties, and a method for manufacturing the same by emulsion polymerization in the presence of certain cyclic fluorosurfactants. 2. The aqueous latex of claim 1 , wherein polymer (F) comprises recurring units derived from one or more than one fluoromonomers other than VDF and TrFE claim 1 , or recurring units derived from one or more than one non-fluorinated monomers.3. The aqueous latex of claim 1 , wherein polymer (F) comprises:recurring units derived from vinylidene fluoride (VDF) in an amount of from 60% to 81% moles, with respect to the total moles of recurring units;recurring units trifluoroethylene (TrFE) in an amount of from 18% to 39% moles, with respect to the total moles of recurring units, andoptionally recurring units derived from at least one additional monomer different from VDF and TrFE, in an amount of 0 to 5% moles.4. The aqueous latex of claim 1 , wherein polymer (F) consists essentially of recurring units derived from VDF and TrFE.5. The aqueous latex of claim 1 , wherein the melt flow index (MFI) of polymer (F) claim 1 , as determined according to ASTM D 1238 (230° C./5 kg) claim 1 , is of 0.5 to 500 g/10 min.8. The method for making a latex according to claim 7 , wherein the hydrophilic function Y is a carboxylate of formula (3″).12. The method for making a latex according to claim 7 , wherein polymerization pressure is comprised between 10 and 40 bars and/or wherein the polymerization temperature is selected in the range 60 to 120° C.13. The method for making a latex according to claim 7 , wherein the radical initiator is selected from the group consisting of organic radical initiators.14. The method for making a latex according to claim 7 , wherein the radical initiator is selected from the group consisting of inorganic radical ...

Hardenable, fluorinated copolymer, process for its manufacture and its application in varnishes and plants

A hardenable fluorinated copolymer of fluorinated monomers and an acrylamide derivative and paints, paints and varnishes comprising such copolymers, and the process of making such hardenable copolymer.

PROCESS FOR PRODUCING FLUOROPOLYMER

The present invention relates to a process for preparing a fluoropolymer containing at least one kind of fluoroolefin, which comprises carrying out polymerization in the presence of a surfactant represented by the formula (1): (wherein R1 and R2 may be the same or different respectively, and represent an alkyl group or an alkenyl group, R3 is a hydrogen atom, an alkyl group or an alkenyl group, the total carbon number of R1 to R3 is 2 to 25, L- is a group represented by -SO3-, -OSO3-, -PO3-, -OPO3- or -COO-, and M+ is a monovalent cation). Thereby, polymerization can be carried out with excellent production efficiency in the presence of a small amount of a surfactant, and a fluoropolymer can be prepared without lowering various physical properties such as water resistance by the surfactant.

METHOD FOR MANUFACTURING FLUOROELASTOMERS

CHAIN END FUNCTIONALIZED FLUOROPOLYMERS HAVING GOOD ELECTRICAL PROPERTIES AND GOOD CHEMICAL REACTIVITY

Vinylidene Fluoride Copolymer, and Binder Composition Containing the Copolymer for Non-Aqueous Solvent-Type Secondary Battery

FLUOROELASTOMERIC AND FLUOROPLASTOMERIC COPOLYMERS HAVING A HIGH RESISTANCE TO BASES

The invention relates to new fluoroelastomeric copolymers having resistance to bases and suitable, in particular, for preparing 0-rings, comprising: (I) VDF .......................... 47-80 mols % HFP and/or PAVE .............. 16-30 mols % hydrogenated olefin containing 2-4 C ..................... 2-25 mols % or (II) VDF .......................... 42-80 mols % PAVE ......................... 16-30 mols % hydrogenated olefin containing 2-4 C ..................... 2-30 mols % The invention further relates to new fluoroplastomeric copolymers en- dowed with resistance to bases, comprising: (III) VDF .......................... 70-99 mols % HFP and/or PAVE .............. 0-16 mols % hydrogenated olefin containing 2 -4 C .................... 1-30 mols % A further aspect of the invention relates to a process for preparing the abovesaid fluoroelastomeric and fluoroplastomeric copo- lymers.

FLUOROELASTOMERS BASED ON VINYLIDENE FLUORIDE EXHIBITING SUPERIOR RESISTANCE TO ORGANIC BASES

Fluoroelastomeric copolymers exhibiting high resistance to bases and alcohols, as well as high mechanical properties and low-temperature resistance, comprising, in moles: 4-75% of units of vinylidene fluoride; 12-40% of units of hexafluoropropene and/or perfluorovinylether and/or hydropentafluoropropene and/or chlorotrifluoroethylene; 2-35% of units of an olefin containing up to 4 carbon atoms; 2-60% of units of tetrafluoroethylene, provided that, when the sum of the olefin units and the perfluorovinylether units is equal to or greater than 700, such copolymers possess a molecular weight sufficiently high to exhibit good mechanical characteristics.

Dense fluoropolymer film

Vulcanizable polymers with low molecular weight containing perfluoroprene and of vinylidene fluoride

PREPARATION OF CURABLE AND CURED FLUOROPOLYMER PRODUCTS

MILLING PROCESS

The invention pertains to a process for cryogenic milling mixtures of (per)fluoroelastomers and semicrystalline thermoplastic VDF polymers, and to free-flowing micronized pellets obtainable therefrom, said micronized pellets advantageously yielding, after extrusion and compounding, excellent mechanical properties, even improved over those of base fluoroelastomer matrix.

CHAIN END FUNCTIONALIZED FLUOROPOLYMERS HAVING GOOD ELECTRICAL PROPERTIES AND GOOD CHEMICAL REACTIVITY

Chain end functionalized fluoropolymers are disclosed exhibiting good chemical reactivity high breakdown electric field (E > 100 MV/m) and high dielectric constants (i.e., ε > 10). The polymers can be prepared by functional initiators and from a variety of fluoromonomers including vinylidene difluoride together with one or more additional monomers. The polymers can be combined with other dielectric materials to form composites having uniform composition and morphology.

CROSSLINKABLE FLUOROPOLYMERS

The present invention pertains to a process for the manufacture of a crosslinkable fluoropolymer, to said crosslinkable fluoropolymer and the crosslinked fluoropolymer obtainable therefrom, to a film comprising said crosslinkable fluoropolymer or said crosslinked fluoropolymer and to uses of said crosslinked fluoropolymer film in various applications. 3. A process for the manufacture of the crosslinkable fluoropolymer [polymer (FC)] according to claim 1 , said process comprising reacting: recurring units derived from vinylidene fluoride (VDF), and', {'sub': 'F', 'claim-text': [{'br': None, 'sub': 'x', '—C(O)—O—R\u2003\u2003(I)'}, {'br': None, 'sub': 'x', '—O—R\u2003\u2003(II)'}], 'from 0.01% to 10% by moles, with respect to the total moles of recurring units of said polymer (F), of recurring units derived from at least one functional hydrogenated monomer (H) comprising an end group of any of formulae (I) and (II)], '(A) at least one fluoropolymer [polymer (F)] comprising{'sub': x', '1', '5, 'wherein Ris a hydrogen atom or a C-Chydrocarbon group comprising at least one hydroxyl group, and'} [{'br': None, 'sub': 1', '2', '3, 'RRC═C(R)—C(O)—O-T\u2003\u2003(III)'}, {'br': None, 'sub': 1', '2', '3, 'RRC═C(R)—C(O)—NH—C(O)—O-T\u2003\u2003(IV)'}, {'br': None, 'sub': 1', '2', '3, 'RRC═C(R)—Z—C(O)—O-T\u2003\u2003(V)'}], '(B) at least one (meth)acrylic compound (MA) of any of formulae (III) to (V){'sub': 1', '2', '3', '1', '3', '1', '10, 'claim-text': [{'br': None, '—NH—X—O—C(O)—\u2003\u2003(j), and'}, {'br': None, '—NH—X—NHC(O)O—X′—O—C(O)—\u2003\u2003(jj)'}], 'wherein each of R, Rand R, equal to or different from each other, is independently a hydrogen atom or a C-Chydrocarbon group, T is a C-Chydrocarbon end group comprising at least one functional group, and Z is a bonding group of any of formulae (j) and (jj){'sub': 1', '20', '5', '40', '6', '50, 'wherein X and X′, equal to or different from each other, are independently hydrocarbon groups selected from the group ...

Copolymer aus Vinylidenefluoride und daraus hergestellte Bindemittelzusammensetzung für Sekundärbatterien der nicht-wässerigen Lösungsmittelart

COPOLYMER VON VINYLIDENFLUORID-ACRYLSAEUREESTER, VERFAHREN ZU DESSEN HERSTELLUNG UND DIESES ENTHALTENDE ZUSAMMENSETZUNG.

HARDENABLE FLUORINATED COPOLYMER, MANUFACTURING PROCESS AND APPLICATION OF SAME IN PAINTS AND VARNISHES

FLUOROELASTOMERS

VDF-based curable fluoroelastomers, having a glass transition temperature lower than-49°C, preferably lower than-50°C, and having the following composition, as per cent by moles: A) from 25% to 50%, preferably from 30% to 45%, of the monomer of formula: CF2=CFOCFOCF (a); B) one or more (per)fluorinated comonomers having at least one unsaturation of ethylene type in amounts from 75% to 50%, preferably from 70% to 55%; said one or more comonomers comprising vinylidene fluoride (VDF) in amounts from 50% to 75% on the total of the monomer moles; the sum of the molar percentages of the monomers being 100%; said fluoroelastomers containing an amount of-COF end groups in the polymer lower than the sensitivity limit of the method reported in the description.23 © KIPO & WIPO 2009 ...

수성 라텍스, 세퍼레이터/중간층 적층체, 및 비수 전해질 이차전지용 구조체

... 양극과 세퍼레이터끼리 및 음극과 세퍼레이터끼리의 적어도 한쪽이 서로 강고하게 밀착된 비수 전해질 이차전지용 구조체, 상기 비수 전해질 이차전지용 구조체를 얻는 데에 이용되는 수성 라텍스, 및 세퍼레이터/중간층 적층체를 제공한다. 본 발명에 관련되는 수성 라텍스는 수중에 분산된 중합체 입자를 포함하는 것으로, 상기 중합체 입자는 불포화 이염기산에 유래하는 구조 단위 및/또는 불포화 이염기산 모노에스테르에 유래하는 구조 단위와 불화비닐리덴계 단량체에 유래하는 구조 단위를 포함하는 공중합체를 함유하고, 상기 수성 라텍스는 양극, 음극, 및 상기 양극과 상기 음극 사이에 적층된 세퍼레이터를 갖는 비수 전해질 이차전지용 구조체에 있어서, 상기 양극과 상기 세퍼레이터 사이 및 상기 음극과 상기 세퍼레이터 사이의 적어도 한쪽에 마련되는 중간층의 제조에 이용된다.

경화성 부분 플루오르화 중합체 조성물

... 경화성 부분 플루오르화 중합체 조성물 및 이의 방법이 본 명세서에 기재된다. 본 조성물은 (i) 탄소-탄소 이중 결합을 포함하거나 부분 플루오르화 무정형 플루오로중합체 사슬을 따라 탄소-탄소 이중 결합을 형성할 수 있는 부분 플루오르화 무정형 플루오로중합체; (ii) 화학식 CX1X2=CX3-L-M (여기서, X1, X2, 및 X3은 독립적으로 H, Cl, 및 F로부터 선택되고; X1, X2, 및 X3 중 적어도 하나는 H이고; L은 결합 또는 연결기이고; M은 친핵성 기임)을 갖는, 부분 플루오르화 무정형 플루오로중합체 100부당 1 내지 10부의 경화제; (iii) 산 수용체; 및 (iv) 유기오늄 화합물을 포함한다.

Vinylidene fluoride copolymers

The present invention pertains to a fluoropolymer [polymer (F)] comprising: recurring units derived from vinylidene fluoride (VDF), and from 0.01% to 5% by moles of recurring units derived from at least one (meth)acrylic monomer [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 represents a hydrogen atom or a C 1 -C 5 hydrocarbon moiety comprising at least one hydroxyl group, said polymer (F) comprising end groups having formula —CF 2 H and/or —CF 2 CH 3 in an amount of at least 30 mmoles per Kg of vinylidene fluoride (VDF) recurring units. The invention also pertains to a process for the manufacture of said polymer (F) and to use of said polymer (F) as binders for the manufacture of electrodes or for the manufacture of membranes.

Vinylidene Fluoride Copolymers and Uses of the Copolymers

Provided are vinylidene fluoride copolymers exhibiting higher adhesion with respect to metal foils than do conventional vinylidene fluoride copolymers, and to provide uses of the vinylidene fluoride copolymers. The vinylidene fluoride copolymers are obtained by copolymerizing vinylidene fluoride with a compound represented by Formula (A). In Formula (A), R, Rand Rare each independently a hydrogen atom, a chlorine atom or an alkyl group; and X is an atomic group with a molecular weight of not more than 500 containing a heteroatom and having a main chain composed of 1 to 20 atoms, or is a heteroatom. 2. The vinylidene fluoride copolymer according to claim 1 , wherein X is the atomic group and the heteroatom in the atomic group is oxygen atom.5. The vinylidene fluoride copolymer according to claim 1 , wherein the copolymer contains 0.01 to 10 mol % of structural units derived from the compound represented by Formula (A) relative to the total of structural units derived from vinylidene fluoride and structural units derived from the compound represented by Formula (A) taken as 100 mol %.6. The vinylidene fluoride copolymer according to claim 1 , which has an inherent viscosity of 0.5 to 5.0 dl/g.7. The vinylidene fluoride copolymer according to claim 1 , wherein the randomness of the structural units derived from the compound represented by Formula (A) is not less than 40%.8. A battery electrode binder comprising the vinylidene fluoride copolymer described in and a nonaqueous solvent.9. An electrode mixture for nonaqueous electrolyte secondary batteries comprising the vinylidene fluoride copolymer described in claim 1 , an electrode active material and a nonaqueous solvent.10. A positive electrode mixture for nonaqueous electrolyte secondary batteries comprising the vinylidene fluoride copolymer described in claim 1 , a lithium-based positive electrode active material and a nonaqueous solvent.11. An electrode for nonaqueous electrolyte secondary batteries obtained by ...

Composite material

The present invention relates to a process for the preparation of a composite material comprising a vinylidene difluoride (VDF)-containing copolymer and an electrically non-conductive polymeric material, to a composite material obtainable via said process, to its use in electrochemical cells and to an electrochemical cell comprising said composite.

Fluoropolymers

The invention relates to novel linear, semi-crystalline fluoropolymers containing 0.5 to 25 mole percent of at least one vinyl ester monomer unit. At least 40 mole percent of the vinyl ester monomer units are present in the copolymer as single monomer units (not diads or triads or greater) between two fluoromonomer units. The invention also relates to a process for forming the fluoromonomers/vinyl ester copolymer. The fluoropolymer of the invention may be used in applications benefiting from a functional fluoropolymers including as a binder, or for use in forming hydrophilic membranes and hollow fibers.

Dispersed phase polymerization of halogenated vinyl monomers in the presence of live reactive stabilizers

The present invention concerns a method for the dispersed phase polymerisation of halogenated vinyl compounds, having the formula R b R c C═CX 1 X 2 , where: X 1 ═F or CI, X 2 ═H, F or CI, each of R b and R c , separately represents: —H, CI, F; or—an alkyl group, preferably chlorinated and/or fluorinated, and more advantageously perchlorinated or perfluorinated, comprising a step (E1) wherein said monomers are introduced into an aqueous phase together with—at least one source of free radicals; and—at least one reactive stabiliser comprising a polymer chain and a thiocarbonylthio-S group (C═S)—, said polymer chain comprising non-(N vinyl lactam) monomer units.

GEL ELECTROLYTE AND METHOD FOR PREPARING SAME

Provided is a gel electrolyte that has a lower concentration of matrix polymer and that can maintain a gel state. The gel electrolyte contains a non-aqueous electrolyte solution in which a lithium-containing electrolyte is dissolved in a non-aqueous solvent and a matrix polymer, the matrix polymer being a copolymer containing a vinylidene fluoride unit and a fluorine atom-containing monomer unit as a repeating unit, and the crystallization temperature Tof the matrix polymer being within a range that satisfies the following Relationship (I) relative to the concentration C (mass %) of the matrix polymer included in the gel electrolyte: 1. A gel electrolyte comprising:a non-aqueous electrolyte solution in which a lithium-containing electrolyte is dissolved in a non-aqueous solvent; anda matrix polymer;the matrix polymer being a copolymer containing a vinylidene fluoride unit and a fluorine atom-containing monomer unit as a repeating unit; and{'sub': 'c', 'claim-text': {'br': None, 'i': Tc≥', 'C, '110−\u2003\u2003(I),'}, 'a crystallization temperature Tof the matrix polymer being within a range that satisfies Relationship (I) relative to a concentration C (mass %) of the matrix polymer included in the gel electrolytewhere 0.1≤C≤30.2. The gel electrolyte according to claim 1 , wherein the copolymer further contains at least one of a repeating unit derived from unsaturated dibasic acid and a repeating unit derived from unsaturated dibasic acid monoester.3. The gel electrolyte according to claim 2 , wherein the unsaturated dibasic acid is unsaturated dicarboxylic acid claim 2 , and the unsaturated dibasic acid monoester is unsaturated dicarboxylic acid monoester.4. The gel electrolyte according to claim 1 , wherein the fluorine atom-containing monomer unit is a repeating unit derived from hexafluoropropylene or a repeating unit derived from chlorotrifluoroethylene.5. The gel electrolyte according to claim 1 , wherein the non-aqueous solvent is ethylene carbonate claim 1 , ...

VINYLIDENE FLUORIDE COPOLYMER, METHOD FOR PRODUCING THE SAME, GEL ELECTROLYTE, AND NON-AQUEOUS BATTERY

The vinylidene fluoride copolymer of the present invention is a polymer obtained by copolymerizing at least one type of fluorine-based monomer selected from hexafluoropropylene and chlorotrifluoroethylene, vinylidene fluoride, and a compound represented by formula (1) (wherein X is an atomic group having a hydroxyl group or a carboxyl group and having a molecular weight of not greater than 517 with a main chain having from 1 to 19 atoms) and is obtained by adding the compound represented by formula (1) to the fluorine-based monomer and vinylidene fluoride in divided portions or continuously during copolymerization. The gel electrolyte of the present invention contains the vinylidene fluoride copolymer and a non-aqueous electrolyte solution, and the gel electrolyte has an excellent balance of ionic conductivity and gel strength. 4. A gel electrolyte containing the vinylidene fluoride copolymer according to and a non-aqueous electrolyte solution.5. The gel electrolyte according to containing the non-aqueous electrolyte solution in an amount of from 90 to 99 wt. % per 100 wt. % of the gel electrolyte.6. A non-aqueous battery having the gel electrolyte according to . The present invention relates to a vinylidene fluoride copolymer, a method for producing the same, a gel electrolyte containing the copolymer, and a non-aqueous battery having the gel electrolyte.In recent years, batteries have been the focus of attention as power supplies for small portable devices such as smart phones, electric automobiles, and hybrid automobiles. Lithium ion batteries, which have a small volume and a large capacity, are presently a particular focus of attention among batteries.Technical demands for batteries include reducing size and weight, increasing the degrees of freedom of the shape, and enhancing safety. As a means capable of meeting these demands, electrolyte solidification using an inorganic solid electrolyte, a polymer electrolyte, a gel electrolyte, or the like as the ...

RESIN COMPOSITION, SEPARATOR OF SECONDARY BATTERY, AND SECONDARY BATTERY

The present invention provides a resin composition having excellent electrolyte solution retention ability. The resin composition contains an electrolyte composition containing a solvent and an electrolyte and a vinylidene fluoride copolymer. The vinylidene fluoride copolymer is a copolymer of vinylidene fluoride and a comonomer represented by Formula (1) below, wherein Rand Rare each independently a hydrogen atom or a fluorine atom, Ris a hydrogen atom, a fluorine atom, or an alkyl group having from 1 to 5 carbons, and Ris a basic group that is capable of forming an intermolecular hydrogen bond. 2. The resin composition according to claim 1 , wherein a content of a structural unit derived from the comonomer represented by the Formula (1) in the vinylidene fluoride copolymer is from 0.1 mol % to 1 mol % relative to a total monomer amount of 100 mol %.3. The resin composition according to claim 1 , wherein Rin the Formula (1) is a nitrogen atom-containing functional group.4. The resin composition according to claim 3 , wherein the nitrogen atom-containing functional group is an amino group or an amide group.5. (canceled)6. A separator for a secondary battery comprising a resin layer formed from the resin composition described in on a surface.7. A secondary battery comprising the separator described in . The present invention relates to a resin composition, a separator for a secondary battery, and a secondary battery. The present invention particularly relates to a resin composition used in a resin layer provided on a separator surface of a secondary battery, a separator for secondary batteries that uses the resin composition, and a secondary battery using the separator.Non-aqueous electrolyte secondary batteries have high energy density, and thus are used not only in the power source of portable devices but also in various applications such as hybrid electric vehicles and electric vehicles. In addition, as fields of application have been expanded, a non-aqueous ...

HIGHLY FLEXIBLE VDF POLYMER

The present invention pertains to vinylidene fluoride copolymers comprising recurring units derived from chlorotrifluoroethylene and from a (meth)acrylic monomer having improved flexibility, to a process for their manufacture, and to their use in applications where outstanding flexibility is required. 116-. (canceled)18. The polymer (A) according to claim 17 , having an intrinsic viscosity claim 17 , measured at 25° C. in N claim 17 ,N-dimethylformamide of at most 0.50 l/g.19. The polymer (A) according to claim 17 , having an intrinsic viscosity claim 17 , measured at 25° C. in N claim 17 ,N-dimethylformamide of at least 0.05 l/g.21. The polymer (A) according to claim 17 , wherein the amount of monomer (MA) is from 0.1% to 3% by weight claim 17 , with respect to the total weight of recurring units of polymer (A).22. The polymer (A) according to claim 17 , wherein comonomers (F) is selected from the group consisting of:{'sub': 2', '8, '(a) C-Cfluoro- and/or perfluoroolefins;'}{'sub': 2', '8, '(b) C-Chydrogenated monofluoroolefins;'}{'sub': 2', 'f0', 'f0', '1', '6, '(c) perfluoroalkylethylenes of formula CH═CH—R, wherein Ris a C-Cperfluoroalkyl group;'}{'sub': 2', 'f1', 'f1', '3', '2', '5', '3', '7', '4', '9', '5', '11, '(d) (per)fluoroalkylvinylethers of formula CF═CFORwherein Ris a perfluorinated alkyl group —CF(perfluoromethylvinylether (PMVE)), —CF(perfluoroethylvinylether (PEVE)), —CF(perfluoropropylvinylether (PPVE)), —CFor —CFgroup, and'}{'sub': 2', '6, '(e) chloro- and/or bromo- and/or iodo-C-Cfluoroolefins.'}23. The polymer (A) according to claim 17 , wherein comonomers (F) is HFP or PMVE.24. The polymer (A) according to claim 17 , which comprises:from 8 to 20% by weight of recurring units deriving from the CTFE monomer,from 0.4 to 1.5% by weight of recurring units deriving from hydrophilic (meth)acrylic monomer (MA) of formula (I),—from 0.7 to 2.0% by weight of recurring units deriving from comonomers (F),the percentages by weight being with respect to the ...

VINYLIDENE FLUORIDE POLYMER, BINDER COMPOSITION, ELECTRODE MIXTURE, ELECTRODE, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND METHOD FOR PRODUCING ELECTRODE MIXTURE

As a novel vinylidene fluoride polymer and its use, provided are a binder composition, an electrode mixture, an electrode, and a non-aqueous electrolyte secondary battery including the vinylidene fluoride containing the vinylidene fluoride polymer. The vinylidene fluoride polymer includes a first structural unit derived from vinylidene fluoride and a second structural unit derived from a monomer other than vinylidene fluoride. The monomer to be the second structural unit is a primary amine, a secondary amine, or a tertiary amine having at least one of a hydroxyl group and a carboxyl group, and the content of the second structural unit is from 0.05 to 20 mol % when the total of structural units derived from all the monomers constituting the vinylidene fluoride polymer is 100 mol %. 2. (canceled)3. The vinylidene fluoride polymer according to or , wherein an inherent viscosity is from 0.5 to 5.0 dL/g.4. A binder composition used for binding an electrode active material to a current collector claim 1 , the binder composition comprising the vinylidene fluoride polymer described in .5. An electrode mixture comprising the binder composition described in and an electrode active material.6. An electrode comprising a mixture layer formed of the electrode mixture described in on a current collector.7. A non-aqueous electrolyte secondary battery comprising the electrode described in . The present invention relates to a vinylidene fluoride polymer and its use. More specifically, the present invention relates to a vinylidene fluoride polymer, a binder composition, an electrode mixture, an electrode, and a non-aqueous electrolyte secondary battery including the same, and a method for producing an electrode mixture.Vinylidene fluoride copolymers mainly containing repeating units derived from vinylidene fluoride are widely used as binder resins for batteries such as lithium ion secondary batteries. The binder resin is used to adhere an electrode active material to a current ...

Use of a Vinylidene Fluoride Copolymer for Providing a Film with Properties of Adhesion

The present invention relates to the use of a fluorinated copolymer in the manufacture of a solid polymer film, to give said film properties of adhesion to a metal surface or to glass. It also relates to a process for improving the adhesion of a fluoropolymer to a metal, polymer or glassy substrate, and also to a composite part comprising a solid polymer film in direct contact with at least one metal or glassy element. 110-. (canceled)11. A process of preparing a film-forming polymer with adhesion properties to metal , polymer or glass surfaces , consisting of synthesizing a fluorinated copolymer by:(a) radical copolymerizing monomers comprising: (i) vinylidene fluoride (VDF), (ii) trifluoroethylene (TrFE), (iii) optionally at least one other fluoromonomer and (iv) an adhesion-promoting monomer, said adhesion-promoting monomer being a non-perfluorinated vinyl or vinylene monomer bearing at least one weak acid or weak acid precursor function other than carboxyvinyl, carboxyvinylene, 1-alkylcarboxyvinyl, and 1-alkylcarboxyvinylene monomers and precursors thereof, and(b) conversion of the weak acid precursor functions into weak acid functions.12. The process according to claim 11 , wherein the molar proportion of the moieties derived from said adhesion-promoting monomer is less than 1% of the copolymer claim 11 , preferably from 0.2% to 0.9% and claim 11 , better still claim 11 , from 0.5% to 0.8% of the copolymer.13. The process according to claim 11 , wherein said other fluoromonomer is selected from the group consisting of: tetrafluoroethylene (TFE) claim 11 , chlorofluoroethylene (CFE) claim 11 , chlorotrifluorethylene (CTFE) claim 11 , hexafluoropropylene (HFP) claim 11 , trifluoropropene claim 11 , tetrafluoropropene claim 11 , chlorotrifluoropropene claim 11 , hexafluoroisobutylene claim 11 , perfluorobutylethylene claim 11 , pentafluoropropene claim 11 , perfluoroethers such as PMVE and PPVE claim 11 , and mixtures thereof claim 11 , preferably CFE or CTFE.14. ...

SOLID COMPOSITE ELECTROLYTE

The present invention pertains to an ionically conductive composition comprising at least one ionic conductive solid inorganic substance and at least one copolymer of vinylidene fluoride, to a process for its manufacture and to the use thereof for manufacturing components for solid state batteries. 115-. (canceled)17. The composition (C) according to wherein the inorganic particle (IP) is LiLaZrO(LLZO).18. The composition (C) according to wherein the inorganic particle is doped-LLZO inorganic particle having a general formula of LiLaZrAO claim 16 , wherein:A represents one or several dopants selected from the group consisting of Al, Ga, Nb, Fe, Nd, Pt, Ta, W, Mo, Hf, Si, Ca, Sr, Ba, Ge, and mixtures thereof;w, x, y, and z are positive numbers, including various combinations of integers and fractions or decimals;0 Подробнее

FLUOROPOLYMER MEMBRANE FOR ELECTROCHEMICAL DEVICES

The present invention pertains to a membrane for an electrochemical device, to a process for manufacturing said membrane and to use of said membrane in a process for manufacturing an electrochemical device. 2. The membrane according to wherein the at least one monomer (FM) is selected from the group consisting of:{'sub': 2', '8, 'C-Cperfluoroolefins;'}{'sub': 2', '8, 'C-Chydrogenated fluoroolefins;'}{'sub': 2', 'f0', 'f0', '1', '6, 'perfluoroalkylethylenes of formula CH═CH—Rwherein Ris a C-Cperfluoroalkyl;'}{'sub': 2', '6, 'chloro- and/or bromo- and/or iodo-C-Cfluoroolefins;'}{'sub': 2', '0', '0', '1', '12', '1', '12', '1', '12, 'CF═CFOX(per)fluoro-oxyalkylvinylethers wherein Xis a C-Calkyl group, a C-Coxyalkyl group or a C-C(per)fluorooxyalkyl group having one or more ether groups;'}{'sub': 2', '2', 'f2', 'f2', '1', '6', '1', '6, '(per)fluoroalkylvinylethers of formula CF═CFOCFORwherein Ris a C-Cfluoro- or perfluoroalkyl group or a C-C(per)fluorooxyalkyl group having one or more ether groups;'}{'sub': 2', '0', '0', '1', '12', '1', '12', '1', '12', '0, 'functional (per)fluoro-oxyalkylvinylethers of formula CF═CFOYwherein Yis a C-Calkyl group or (per)fluoroalkyl group, a C-Coxyalkyl group or a C-C(per)fluorooxyalkyl group having one or more ether groups and Ycomprising a carboxylic or sulfonic acid group, in its acid, acid halide or salt form; and'}fluorodioxoles.3. The membrane according to claim 1 , wherein polymer (F) is a partially fluorinated fluoropolymer comprising recurring units derived from vinylidene fluoride (VDF) claim 1 , at least one monomer (MA) and at least one fluorinated monomer (FM2).4. The membrane according to claim 3 , wherein polymer (F) comprises recurring units derived from:at least 60% by moles of vinylidene fluoride (VDF),from 0.01% to 10% by moles of at least one (meth)acrylic monomer (MA), and{'sub': '1', 'from 0.1% to 15% by moles of at least one fluorinated monomer (FM2) selected from vinyl fluoride (VF), chlorotrifluoroethylene (CTFE ...

COMPOSITIONS COMPRISING VINYLIDENE FLUORIDE POLYMERS AND ADSORBENT CARBON MATERIALS

Composition comprising a) a polymer comprising recurring units derived from vinylidene fluoride monomer and at least one monomer carrying at least one functional group selected from carboxyl groups, ester groups and hydroxyl groups, and b) a microporous adsorbent carbon material having a specific surface area (BET) of at least 700 m/g, a pore volume in the range of from 0.1 to 0.7 m/g, at least 60% of said pore volume being formed by micropores having a pore radius of 2 nm or less. 1. A composition comprisinga) a polymer comprising recurring units derived from vinylidene fluoride monomer and at least one monomer carrying at least one functional group selected from carboxyl groups, ester groups and hydroxyl groups, and{'sup': '2', 'b) a microporous adsorbent carbon material having a specific surface area (BET) of at least 700 m/g, a pore volume in the range of from 0.1 to 0.7 ml/g, at least 60% of said pore volume being formed by micropores having a pore radius of 2 nm or less.'}2. The composition in accordance with wherein the polymer comprises from 0.02 to 20 mol % of recurring units derived from the monomer carrying at least one functional group selected from carboxyl groups claim 1 , ester groups and hydroxyl groups.3. The composition in accordance with wherein at least 40 mol % of the recurring units derived from the monomer carrying at least one functional group selected from carboxyl groups claim 1 , ester groups and hydroxyl groups are randomly distributed.54. The composition in accordance with wherein the microporous adsorbent carbon material has a specific surface area (BET) of at least 900 m/g.6. The composition in accordance with wherein the microporous adsorbent carbon material is a pyrolyzate of a vinylidene chloride polymer.7. A slurry or liquid dispersion comprising the composition in accordance with .8. The slurry or dispersion in accordance with comprising an aqueous or an organic solvent or mixtures thereof.9. A casting composition comprising the ...

FUNCTIONAL FLUOROPOLYMERS

The invention relates to novel linear, semi-crystalline, functional fluoropolymers that have been obtained by copolymerizing a fluorinated vinylic monomer and a hydrophilic monomer chosen from vinyl alkyl acids, vinyl phosphonates, functional acrylamides, carbonates, vinyl ethers, alkoxy compounds, and double hydrophilic group monomers. 1. A fluorinated copolymer comprising a fluorinated vinylic monomer and one or more hydrophilic monomers selected from the group consisting of vinyl alkyl acids , vinyl phosphonates , functional acrylamides , carbonates , vinyl ethers , alkoxy compounds , and double hydrophilic group monomers.2. The copolymer of comprising up to 10.0 wt % of said hydrophilic monomers.3. The copolymer of claim 1 , wherein said fluorinated vinylic monomer comprises vinylidene fluoride.4. The copolymer of claim 1 , wherein at least one of said hydrophilic monomers comprise at least one halogen on the vinylic carbon.5. The copolymer of claim 4 , wherein said at least one halogen comprises fluorine.12. The copolymer of claim 1 , wherein said multi hydrophilic functional comonomer claim 1 , are selected from the group consisting of itaconic acid claim 1 , maleic acid claim 1 , glutaconic acid claim 1 , fumaric acid claim 1 , and the anhydrides claim 1 , alkali metal salts claim 1 , ammonium claim 1 , and mono- claim 1 , di- claim 1 , tri- claim 1 , and tetraalkylammonium salts thereof.13. A formulation comprising the fluorinated copolymer of claim 1 , in a solvent.14. The formulation of claim 13 , wherein said solvent is selected from the group consisting of n-methylpyrrolidone (NMP) claim 13 , dimethylsulfoxide (DMSO) claim 13 , N claim 13 ,N-dimethylformamide (DMF) claim 13 , triethylphosphite (TEP) claim 13 , acetone claim 13 , tetrahydrofuran claim 13 , methyl ethylketone (MEK) claim 13 , methyl isobutyl ketone (MiBK) claim 13 , ethyl acetate (EA) claim 13 , butyl acetate (BA) claim 13 , dimethyl carbonate (DMC) claim 13 , diethyl carbonate (DEC) and ...

FLUOROPOLYMER HYBRID COMPOSITE

The invention pertains to a process for the manufacture of a polymer electrolyte membrane based on a fluoropolymer hybrid organic/inorganic composite, to a polymer electrolyte obtained thereof and to uses of said polymer electrolyte and membranes obtained therefrom in various applications, especially in electrochemical and in photo-electrochemical applications. 117-. (canceled)19. The process according to claim 18 , wherein in step (ii) the mixture provided in step (i) is subjected to a vigorous stirring at a temperature of at least 30° C. for a time comprised in the range of from 24 to 48 hours.20. The process according to claim 18 , wherein step (ii) further comprises a step (ii) of drying the solid mixture (SM) obtained in step (ii) at a temperature of at least 60° C.21. The process according to claim 18 , wherein step (ii) further includes a step (ii) of comminuting the solid mixture obtained in step (ii) or in step (ii) so as to provide the solid mixture (SM) in the form of fine powder.23. The process according to claim 22 , wherein step (b) includes a further step (b) of drying the composition obtained in step (b) at a temperature of at least 60° C.24. The process according to claim 22 , wherein step (b) further includes a step (b) of comminuting the solid mixture obtained in step (b) or in step (b) claim 22 , so as to provide the solid mixture in the form of fine powder.25. The process according to claim 18 , wherein the metal compound of formula (I) is a non-functional compound selected from the group consisting of triethoxysilane claim 18 , trimethoxysilane claim 18 , tetramethyltitanate claim 18 , tetraethyltitanate claim 18 , tetra-n-propyltitanate claim 18 , tetraisopropyltitanate claim 18 , tetra-n-butyltitanate claim 18 , tetra-isobutyl titanate claim 18 , tetra-tert-butyl titanate claim 18 , tetra-n-pentyltitanate claim 18 , tetra-n-hexyltitanate claim 18 , tetraisooctyltitanate claim 18 , tetra-n-lauryl titanate claim 18 , tetraethylzirconate claim ...

FLEXIBLE PVDF POLYMERS

The present invention pertains to vinylidene fluoride copolymers having improved flexibility, said copolymers comprising recurring units derived from hydrophilic (meth)acrylic monomers and from perhalogenated monomers, to a process for the manufacture of said copolymers, and to their use in applications where outstanding flexibility is required. 2. The polymer (F) according to wherein the at least one hydrophilic (meth)acrylic monomers (MA) of formula (I) is selected from the group consisting of acrylic acid (AA) claim 1 , (meth)acrylic acid claim 1 , hydroxyethyl(meth)acrylate (HEA) claim 1 , 2-hydroxypropyl acrylate (HPA) claim 1 , hydroxyethylhexyl(meth)acrylate claim 1 , and mixtures thereof.3. The polymer (F) according to wherein the perhalogenated monomer (FM) is selected from the group consisting of chlorotrifluoroethylene (CTFE) claim 1 , hexafluoropropylene (HFP) and tetrafluoroethylene (TFE).5. The polymer (F) according to that is a terpolymer VDF-AA-HFP.6. The polymer (F) according to having intrinsic viscosity claim 1 , measured in dimethylformamide at 25° C. claim 1 , lower than 0.70 l/g.7. The polymer (F) according to having intrinsic viscosity claim 6 , measured in dimethylformamide at 25° C. claim 6 , that is comprised between 0.35 l/g and 0.45 l/g.8. The polymer (F) according to claim 1 , wherein the at least one hydrophilic (meth)acrylic monomer (MA) is comprised in an amount of from 0.3 to 1.0% by moles with respect to the total moles of recurring units of polymer (F) claim 1 , and the at least one perhalogenated monomer (FM) is comprised in an amount of from 1.0 to 4.0% by moles with respect to the total moles of recurring units of polymer (F).9. A polymer (F) according to in the form of a film.10. A film of polymer (F) according to having a thickness of from 5 to 500 micrometers.11. A process for the preparation of the film of polymer (F) according to claim 9 , said process comprising casting a polymer (F).12. A process for the preparation of ...

FLUOROELASTOMER COMPOSITION

The invention pertains to a fluoroelastomer composition [composition (C)] comprising:—at least one fluoroelastomer [fluoroelastomer (A)];—at least one basic compound [base (B)];—at least one pyridinium-type salt [salt (P)] having at least two groups in ortho or para position to the quaternized nitrogen bearing a reactive hydrogen atom. 3. The composition (C) of claim 1 , wherein salt (P) is selected from the group consisting of salts (P) of formula (P-1) claim 1 , (P-2) claim 1 , (P-3) claim 1 , (P-4) claim 1 , (P-5) claim 1 , (P-11) claim 1 , and (P-12).5. The composition (C) of claim 1 , wherein the composition (C) comprises salt (P) in an amount of at least 0.1 weight part per 100 weight parts of fluoroelastomer (A) claim 1 , and/or in an amount of at most 20 weight parts per 100 parts of fluoroelastomer (A).6. The composition (C) of claim 1 , wherein base (B) comprises one or more than one organic base claim 1 , one or more than one inorganic base or mixtures of organic and inorganic base(s).7. The composition (C) of claim 1 , wherein the base (B) is an inorganic base selected from the group consisting of:i) divalent metal oxides,ii) hydroxides of metals, and{'sub': 'a', '(iii) metal salts of weak acids having a pKhigher than 3.'}9. The composition (C) of claim 6 , wherein composition (C) comprises at least one organic base and at least one inorganic base.10. The composition (C) of claim 1 , said composition additionally comprising one or more than one organic solvents [solvent (S)]selected from those wherein salt (P) has a solubility at room temperature exceeding 1 g/l.11. The composition (C) of claim 1 , wherein fluoroelastomer (A) comprises at least 15% moles of recurring units derived from VDF claim 1 , with respect to all recurring units of the fluoroelastomer claim 1 , and/or wherein the fluoroelastomer (A) comprises at most 85% moles of recurring units derived from VDF claim 1 , with respect to all recurring units of the fluoroelastomer.13. The ...

VINYLIDENE FLUORIDE COPOLYMER PARTICLES AND USE THEREOF

Provided is a vinylidene fluoride copolymer particle which is capable of efficiently exhibiting high adhesion between an electrode and a separator. The vinylidene fluoride copolymer particle of the present invention comprises vinylidene fluoride; and 1. A vinylidene fluoride copolymer particle , comprising:a constituent unit derived from vinylidene fluoride; anda constituent unit derived from a compound having an oxygen atom-containing functional group;wherein a ratio of oxygen atom of the vinylidene fluoride copolymer in a surface of the vinylidene fluoride copolymer particle is higher than a ratio of oxygen atom of the vinylidene fluoride copolymer in the vinylidene fluoride copolymer particle other than the surface thereof.2. The vinylidene fluoride copolymer particle according to claim 1 , wherein the ratio of oxygen atom is 9 at % or more in all elements presented in the surface as determined by XPS (X-ray photoelectron spectroscopy) measurement.3. The vinylidene fluoride copolymer particle according to claim 1 , wherein the oxygen atom-containing functional group is a carboxyl group or a carboxylate.6. The vinylidene fluoride copolymer particle according to claim 1 , further comprising a constituent unit derived from a fluorinated alkyl vinyl compound.7. A dispersion comprising the vinylidene fluoride copolymer particle described in and a dispersion medium.8. A coating composition for forming a fluororesin layer provided on at least one surface of a separator provided between a negative electrode layer and a positive electrode layer in a secondary battery claim 1 , the coating composition comprising the vinylidene fluoride copolymer particle described in .9. The coating composition according to claim 8 , further comprising a thickener.10. The coating composition according to or claim 8 , further comprising a filler.11. A separator claim 8 , comprising a fluororesin layer formed from the coating composition described in claim 8 , the fluororesin layer being ...

FLUOROPOLYMER-BASED HYBRID ORGANIC/INORGANIC COMPOSITES

The invention pertains to a process for manufacturing a fluoropolymer hybrid organic/inorganic composite, to fluoropolymer hybrid organic/inorganic composites obtained therefrom and to the use of the same in several fields of use. 2. The polymer (F-h) according to claim 1 , wherein the at least one polymer (F) is a partially fluorinated fluoropolymer comprising recurring units derived from vinylidene fluoride (VDF) claim 1 , at least one (meth)acrylic monomer (MA) and at least one fluorinated monomer (FM2) different from VDF.3. The polymer (F-h) according to claim 2 , wherein polymer (F) comprises recurring units derived from:at least 60% by moles, of vinylidene fluoride (VDF),from 0.01% to 10% by moles, of at least one monomer (MA), and{'sub': '1', 'from 0.1% to 15% of at least one monomer (FM2) selected from vinyl fluoride (VF), chlorotrifluoroethylene (CTFE), hexafluoropropylene (HFP), tetrafluoroethylene (TFE) and trifluoroethylene (TrFE).'}5. The polymer (F-h) according to claim 1 , wherein the intrinsic viscosity of polymer (F) claim 1 , measured in dimethylformamide at 25° C. claim 1 , is lower than 0.50 l/g claim 1 , more preferably lower than 0.45 l/g.6. The polymer (F-h) according to claim 1 , wherein X in compound (M) is Rand Y is OR claim 1 , wherein Rand R claim 1 , equal to or different from each other and at each occurrence claim 1 , are independently selected from C-Chydrocarbon groups claim 1 , wherein Roptionally comprises at least one functional group.8. The polymer (F-h) according to claim 1 , wherein compound (M) is a non-functional compound (M2) claim 1 , selected from the group consisting of: trimethoxysilane claim 1 , triethoxysilane claim 1 , tetramethoxysilane claim 1 , tetraethoxysilane (TEOS) claim 1 , tetramethyltitanate claim 1 , tetraethyltitanate claim 1 , tetra-n-propyltitanate claim 1 , tetraisopropyltitanate claim 1 , tetra-n-butyltitanate claim 1 , tetra-isobutyl titanate claim 1 , tetra-tert-butyl titanate claim 1 , tetra-n- ...

High strength polyvinylidene fluoride composite

The invention relates to fluoropolymer composites having a fluoropolymer matrix containing a functionalized fluoropolymer composition, and reinforced with fibers. The fibers can be chopped fibers, long fibers, or a mixture thereof, and the fluoropolymer matrix preferably is based on polyvinylidene fluoride. Any type of fibers, sized or unsized may be used with the functionalized fluoropolymer matrix composition to form the fluoropolymer composite.

Fluoropolymer membrane for electrochemical devices

The present invention pertains to a membrane for an electrochemical device, to a process for manufacturing said membrane and to use of said membrane in a process for manufacturing an electrochemical device.

COPOLYMERS INCLUDING A TRIAZINE GROUP AND COMPOSITIONS INCLUDING THEM

An ultraviolet light-absorbing oligomer that includes a first divalent unit represented by formula (I): and a second divalent unit represented by formula (II): Each Ris independently hydrogen or methyl; V is O or NH; X is bond or X is alkylene or alkyleneoxy group having from 1 to 10 carbon atoms and optionally interrupted by one or more —O— groups and optionally substituted by a hydroxyl group; and R2 is alkyl having from 1 to 22 carbon atoms. Compositions that include fluoropolymers and the oligomers are disclosed. The composition can be an extruded film. Compositions that include pressure sensitive adhesives and these oligomers are disclosed. 2. The composition of claim 1 , wherein the composition is an extruded film.3. The composition of claim 1 , further comprising a hindered amine light stabilizer.7. The composition of claim 1 , wherein the ultraviolet light-absorbing oligomer is in the composition in an amount ranging from 1 percent to 25 percent by weight claim 1 , based on the total weight of the composition.8. The composition of claim 1 , wherein in the second divalent unit claim 1 , Rand Rare both methyl.9. The composition of claim 1 , further comprising a second claim 1 , different oligomer comprising the second divalent units and at least one of:a third divalent unit comprising a pendent 2,2,6,6-tetramethylpiperidinyl group, wherein the nitrogen of the pendent 2,2,6,6-tetramethylpiperidinyl group is substituted by hydrogen, alkyl, alkoxy, or alkanone; ora fifth divalent unit comprising a pendent ultraviolet absorbing group selected from a benzophenone and a benzotriazole.10. The composition of claim 1 , wherein the fluoropolymer is present in the blend in an amount of at least 70 percent by weight claim 1 , based on the total weight of the blend.11. The composition of claim 1 , wherein the blend further comprises poly(methyl methacrylate).12. The composition of claim 1 , wherein the fluoropolymer is selected from the group consisting of ethylene- ...

VINYLIDENE FLUORIDE POLYMER

The present invention pertains to a vinylidene fluoride polymer, to a process for manufacturing said vinylidene fluoride polymer and to an article comprising said vinylidene fluoride polymer. 3. The process according to claim 1 , wherein the polyalkylene oxide of formula (I) is a polyethylene oxide of formula (I-A):{'br': None, 'sub': A', '2', '2', 'n′', 'B, 'R′O—(CHCHO)—R′\u2003\u2003(I-A)'}{'sub': A', 'B', '1', '5, 'wherein R′and R′, equal to or different from each other, are H or a C-Clinear or branched alkyl group, and n′ is an integer from 1000 to 200000.'}4. The process according to claim 1 , wherein the polyalkylene oxide of formula (I) is a polyethylene glycol of formula (I-B):{'br': None, 'sub': 2', '2', 'n″, 'HO—(CHCHO)—H\u2003\u2003(I-B)'}wherein n″ is an integer from 1000 to 200000.5. The process according to claim 1 , said process being carried in the presence of at least one polyalkylene oxide of formula (I) claim 1 , in an amount of from 0.01 to 5 g per Kg of vinylidene fluoride.6. The process according to claim 1 , wherein the polysaccharide derivative comprises recurring units derived from glycosidic units selected from the group consisting of D-glucopyranosides claim 1 , D-glucofuranosides and mixtures thereof claim 1 , said glycosidic units being linked to each other by glycosidic bonds.8. The process according to claim 7 , wherein each R′ claim 7 , equal to or different from any other claim 7 , is a hydrogen atom claim 7 , a methyl group claim 7 , a hydroxyethyl group or a 2-hydroxypropyl group.9. The process according to claim 1 , wherein the polysaccharide derivative is selected from the group consisting of methylcellulose claim 1 , hydroxyethyl methylcellulose claim 1 , hydroxyethyl ethylcellulose and hydroxypropyl methylcellulose.10. The process according to claim 1 , wherein the weight ratio of at least one polyalkylene oxide of formula (I) to at least one polysaccharide derivative is comprised between 1:10 and 10:1.11. A vinylidene fluoride ...

BONDING AGENT AND LITHIUM-ION BATTERY THEREOF

The present disclosure relates to the field of lithium-ion battery materials, and specifically relates to a lithium-ion battery bonding agent and a lithium-ion battery comprising said bonding agent. The bonding agent is a polymer comprising structural units represented by Formula I, Formula II, Formula III, and Formula IV, and has a number average molecular weight of 500,000 to 1.2 million. The present disclosure further relates to a lithium-ion battery, comprising a positive film, a negative film, a separator, and an electrolyte, the positive film comprising the bonding agent according to the present disclosure. The bonding agent according to the present disclosure can significantly improve the flexibility of a positive film, avoid processability and battery performance issues caused by the electrode film being too brittle, and help improve the compact density and battery energy density. 2. The bonding agent of claim 1 , wherein:a molar percent of structural units represented by Formula I in the bonding agent is 50% to 90%;a molar percent of structural units represented by Formula II in the bonding agent is 0.1% to 20%;a molar percent of structural units represented by Formula III in the bonding agent is 1% to 25%;a molar percent of structural units represented by Formula IV in the bonding agent is 0.1% to 10%.3. The bonding agent of claim 2 , wherein:the molar percent of structural units represented by Formula I in the bonding agent is 60% to 75%;the molar percent of structural units represented by Formula II in the bonding agent is 5% to 10%;the molar percent of structural units represented by Formula III in the bonding agent is 10% to 25%;the molar percent of structural units represented by Formula IV in the bonding agent is 3% to 5%.4. The bonding agent of claim 1 , wherein claim 1 , in Formula II claim 1 , each of R claim 1 , R claim 1 , R claim 1 , and Ris independently selected from the group consisting of hydrogen claim 1 , and Cstraight-chain or branched ...

Method for manufacturing a polymer electrolyte separator and polymer electrolyte separator therefrom

The invention pertains to a process for manufacturing a polymer electrolyte separator based on a fluoropolymer hybrid organic/inorganic composite, said process comprising: (i) providing a mixture of: —at least one fluoropolymer comprising recurring units derived from at least one (meth)acrylic monomer [monomer (MA)] of formula (I): wherein each of R1, R2, R3, equal or different from each other, is independently a hydrogen atom or a C 1 -C 3 hydrocarbon group, and R OH is a C 1 -C 5 hydrocarbon moiety comprising at least one hydroxyl group [polymer (F)]; —at least one metal compound [compound (M)] of formula: X 4-m AY m wherein m is an integer from 1 to 4, A is a metal selected from the group consisting of Si, Ti and Zr, Y is a hydrolysable group, X is a hydrocarbon group, optionally comprising one or more functional groups; and —at least one electrolyte (E); and —at least one liquid plasticizer (S); (ii) reacting at least a fraction of hydroxyl groups of the ROH groups of said monomer (MA) of said polymer (F) with at least a fraction of said compound (M), so as to obtain a grafted polymer comprising pendant —Y m-1 AX 4-m groups, with m, Y, A and X having same meaning as above detailed; (iii) hydrolyzing and/or polycondensing compound (M) and/or pendant —Y m-1 AX 4-m groups, as above detailed to yield a liquid mixture comprising fluoropolymer hybrid organic/inorganic composite comprising inorganic domains and incorporating solvent (S) and electrolyte (E); and (iv) casting a film from the liquid mixture obtained in (iii); (v) drying the film obtained in (iv) for obtaining the polymer electrolyte separator.

FLEXIBLE VDF POLYMERS

The present invention pertains to vinylidene fluoride copolymers comprising recurring units derived from hydrophilic (meth)acrylic monomers and from perfluoroalkylvinylether monomers having improved flexibility, to films made thereof and to processes for the manufacture of these films. 114-. (canceled)16. The polymer (A) of wherein the at least one hydrophilic (meth)acrylic monomers (MA) of formula (I) is selected from the group comprising acrylic acid (AA) claim 15 , (meth)acrylic acid claim 15 , hydroxyethyl(meth)acrylate (HEA) claim 15 , 2-hydroxypropyl acrylate (HPA) claim 15 , hydroxyethylhexyl(meth)acrylate claim 15 , and mixtures thereof.17. The polymer (A) of claim 15 , wherein the perfluoroalkylvinylether (PAVE) is selected from the group comprising perfluoromethylvinylether (PMVE) claim 15 , perfluoroethylvinylether (PEVE) and perfluoropropylvinylether (PPVE).18. The polymer (A) of claim 15 , wherein the polymer (A) is a terpolymer VDF-AA-PMVE.19. The polymer (A) of claim 15 , wherein the polymer (A) comprises an intrinsic viscosity claim 15 , measured in dimethylformamide at 25° C. claim 15 , of about 0.30 l/g.20. The polymer (A) of claim 15 , wherein the polymer (A) comprises from 0.05% to 2% by moles of the recurring units derived from hydrophilic (meth)acrylic monomer (MA) claim 15 , with respect to the total moles of recurring units of polymer (A).21. The polymer (A) of claim 15 , wherein the polymer (A) comprises from 0.2 to 10% by moles recurring units derived from (PAVE) claim 15 , with respect to the total moles of recurring units of polymer (A).22. The polymer (A) according to claim 15 , wherein the polymer (A) comprises0.2 to 1.5% by moles of the recurring units derived from the hydrophilic (meth)acrylic monomer (MA), with respect to the total moles of recurring units of polymer (A), and0.2 to 3.8% by moles of the recurring units derived from the (PAVE) monomer, with respect to the total moles of recurring units of polymer (A).23. The polymer (A ...

BINDER COMPOSITION, ELECTRODE MIXTURE, ELECTRODE, NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND PRODUCTION METHOD OF BINDER COMPOSITION

A binder composition that exhibits sufficient adhesion and that achieves the excellent dispersibility of a conductive additive is provided. The binder composition according to an embodiment of the present invention is a binder composition including a vinylidene fluoride copolymer composition containing vinylidene fluoride and a monomer having an acidic functional group; and a ratio (Mn2/Mn1) of a number average molecular weight of the vinylidene fluoride copolymer composition after being adsorbed onto alumina (Mn2) to a number average molecular weight of the vinylidene fluoride copolymer composition before being adsorbed onto alumina (Mn1) being less than 1. 1. A binder composition for binding an electrode active material to a current collector ,the binder composition comprising a vinylidene fluoride copolymer composition; andthe vinylidene fluoride copolymer composition comprising a copolymer of vinylidene fluoride and a monomer having an acidic functional group; whereinthe vinylidene fluoride copolymer composition has, in a case where the vinylidene fluoride copolymer composition is adsorbed onto alumina, a ratio (Mn2/Mn1) of less than 1, the ratio of a number average molecular weight of the vinylidene fluoride copolymer composition that is not adsorbed onto the alumina after the adsorption (Mn2) to a number average molecular weight of the vinylidene fluoride copolymer composition before the adsorption (Mn1).2. The binder composition according to claim 1 , wherein the acidic functional group is a carboxy group.4. The binder composition according to claim 1 , wherein the monomer having an acidic functional group is at least one type selected from the group consisting of 2-carboxyethyl acrylate claim 1 , acryloyloxyethyl succinate claim 1 , and acryloyloxypropyl succinate.5. An electrode mixture comprising: the binder composition described in claim 1 , an electrode active material claim 1 , and a conductive additive.6. An electrode comprising a layer formed from the ...

ELECTRODE STRUCTURAL BODY AND PRODUCTION METHOD THEREOF

In an electrode structural body, a coated film is obtained by applying an electrode mixture including an electrode active material, a first fluorine based polymer, and a solvent and drying the mixture, then formed on the surface of a current collector, the first fluorine based polymer has one or more side chains represented by the following Formula (1), and the coated film is subjected to heat treatment. 1. An electrode structural body , wherein {'br': None, '—X—COOH \u2003\u2003(1),'}, 'a coated film is obtained by applying an electrode mixture including an electrode active material, a first fluorine based polymer, and a solvent and drying the mixture, and then formed on the surface of a current collector, the first fluorine based polymer having one or more side chains represented by Formula (1), and the coated film is subjected to heat treatment;'}where X is an atomic group having a molecular weight of less than 500, the main chain of which is made up of 1 to 20 atoms.2. The electrode structural body according to claim 1 , wherein the solvent is a nonaqueous solvent.3. The electrode structural body according to claim 1 , wherein the electrode active material has a specific surface area of 0.5 m/g or greater.4. The electrode structural body according to claim 1 , wherein the electrode mixture further comprises a second fluorine based polymer having one or more side chains having a hydroxy group.6. The electrode structural body according to claim 1 , wherein the first fluorine based polymer is a fluorine based copolymer obtained by copolymerizing fluorine based monomers with at least one selected from 2-carboxyethyl acrylate claim 1 , acryloyloxyethyl succinate claim 1 , and acryloyloxypropyl succinate.7. The electrode structural body according to claim 4 , wherein the second fluorine based polymer is a fluorine based copolymer obtained by copolymerizing fluorine based monomers with 2-hydroxyethyl acrylate and/or hydroxypropyl acrylate.8. The electrode structural ...

METHOD FOR THE SYNTHESIS OF FLUOROPOLYMERS

The present invention relates to a fluorosurfactant-free emulsion polymerization method for the synthesis of a fluoropolymer, more in particular of a VDF-based polymer. 1. A method for the manufacture of a polymer (VDF) comprising at least recurring units derived from 1 ,1-difluoroethylene (VDF) , said method comprising:(I) contacting at least a first portion of 1,1-difluoroethylene (VDF), with an aqueous medium and at least one polymerization initiator, thus providing a first mixture (M1);(II) polymerizing at least a part of said first portion of VDF, thus providing a second mixture (M2);(III) contacting said mixture (M2) with at least a first portion of at least one acid-functionalized compound (A), or the corresponding alkali metal, alkaline earth metal or ammonium salt of such compound (A), thus providing a third mixture (M3); and(IV) polymerizing said mixture (M3) by feeding at least a second portion of VDF, thus providing said polymer (VDF).2. The method according to claim 1 , wherein the polymerization in said step (II) is performed until VDF reaches a conversion of at least 0.5% and up to 15% claim 1 , the conversion being defined as [(mass of polymer formed/mass of total polymer)×100].3. The method according to claim 1 , wherein said compound (A) contains at least one vinyl group and at least one sulfonic acid or salt thereof with an alkaline metal.4. The method according to claim 3 , wherein said compound (A) complies with the following formula (A-I):{'br': None, 'sub': 2', '2, 'RO—S(═O)—R1-CH═CH\u2003\u2003(A-I)'}whereinR is a hydrogen atom, an ammonium ion or an alkaline metal ion;R1 is a sigma bond or an alkyl chain comprising from 1 to 3 carbon atoms.5. The method according to claim 1 , wherein said polymer (VDF) is a homo-polymer of VDF [polymer (VDFH)] consisting essentially of recurring units derived from VDF.6. The method according to claim 1 , whereinsaid step (I) is performed by contacting said at least a first portion of VDF with at least a ...

FLUOROPOLYMERS

The invention relates to novel linear, semi-crystalline fluoropolymers containing 0.5 to 25 mole percent of at least one vinyl ester monomer unit. At least 40 mole percent of the vinyl ester monomer units are present in the copolymer as single monomer units (not diads or triads or greater) between two fluoromonomer units. The invention also relates to a process for forming the fluoromonomers/vinyl ester copolymer. The fluoropolymer of the invention may be used in applications benefiting from a functional fluoropolymers including as a binder or coating in batteries, or for use in forming hydrophilic membranes and hollow fibers. 1. A process for forming a random , semi-crystalline copolymer comprising from 80 to 99.95 mole percent of one or more fluoromonomers , wherein said fluoromonomers comprise from 70 to 100 weight percent of vinylidene fluoride , and 0.05 to 20 mole percent of one or more vinyl ester having the formula CH═CH—O—(CO)—Rn , wherein Rn is a hydrogen atom or a C14 linear or branched hydrocarbon , and wherein at least 40 mole percent of the vinyl ester monomer units are present in the copolymer as single monomer units between two fluoromonomer units , comprising the steps of:a) charging an initial monomer charge comprising fluoromonomers, andb) starve-feeding the vinyl ester monomer co-continuously with fluoromonomers to the reactor once polymerization has begun.2. The process of claim 8 , wherein said initial monomer feed consists of fluoromonomers3. The process of claim 8 , wherein only non-fluorinated surfactant is used in the polymerization process.4. The process of claim 8 , wherein said vinyl ester comprises vinyl acetate.5. The random copolymer of claim 1 , wherein the mole percent of vinyl ester monomer units is from 0.5 to 15 mole percent.6. The random copolymer of claim 6 , wherein the mole percent of vinyl ester monomer units is from 1 to 10 mole percent.7. An article comprising a random claim 6 , semi-crystalline copolymer comprising from ...

SYNTHESIS OF SURFACTANT-FREE POLY (VINYLIDENE FLUORIDE) LATEXES VIA RAFT EMULSION POLY-MERIZATION

The present invention relates to a process for producing a stable fluorinated latex by emulsion polymerization in the absence of fluorinated surfactant, stabilized by an amphiphilic block copolymer formed in situ. The invention also concerns the aqueous dispersion comprising the fluorinated polymer chains and the amphiphilic block copolymers, obtained by this process. 5. The process of claim 1 , wherein vinylidene fluoride polymer formed in step b includes both homopolymers of vinylidene fluoride and copolymers containing at least 50 mole percent of vinylidene fluoride copolymerized with at least one ethylenically unsaturated monomer selected from the group consisting of: tetrafluoroethylene claim 1 , trifluoroethylene claim 1 , chlorotrifluoroethylene claim 1 , hexafluoropropene claim 1 , vinylfluoride claim 1 , pentafluoropropene claim 1 , perfluoromethyl vinyl ether claim 1 , perfluoropropyl vinyl ether claim 1 , (meth)acrylic acid and (meth)acrylic esters such as alkyl(meth)acrylates claim 1 , vinyl esters such as vinyl acetate claim 1 , vinyl propionate claim 1 , vinyl butyrate claim 1 , vinyl benzoate claim 1 , maleic esters such as dimethyl maleate claim 1 , diethyl maleate claim 1 , di-n-propyl maleate claim 1 , diisopropyl maleate claim 1 , di-2-methoxyethyl maleate claim 1 , fumaric esters such as dimethyl fumarate claim 1 , diethyl fumarate claim 1 , di-n-propyl fumarate claim 1 , diisopropyl fumarate claim 1 , styrene claim 1 , vinyltoluene claim 1 , alpha-methylstyrene claim 1 , acrylonitrile claim 1 , anhydrides claim 1 , vinyl esters claim 1 , alpha-olefins claim 1 , substituted or unsubstituted mono and dialkyl esters of unsaturated dicarboxylic acids claim 1 , vinyl aromatics claim 1 , and cyclic monomers.6. The process of claim 1 , wherein said initiator is a persulfate salt claim 1 , selected from the group consisting of sodium persulfate claim 1 , potassium persulfate claim 1 , or ammonium persulfate claim 1 , the amount of persulfate salt added ...

MOLDED ARTICLE

An object of the present invention is to provide a molded article obtained by melt molding a vinylidene fluoride-based copolymer having excellent adhesion with other thermoplastic resins as well as improved molding characteristics and discoloration resistance. The molded article of the present invention is obtained by melt molding a vinylidene fluoride-based copolymer obtained by copolymerizing vinylidene fluoride and a compound represented by formula (1) below. In the formula, R, Rand Rare each independently a hydrogen atom, a chlorine atom or an alkyl group having from 1 to 5 carbon atoms, and X′ is an atomic group having a molecular weight not greater than 472, the main chain of which is constructed of from 1 to 19 atoms. 3. The molded article according to claim 1 , wherein the compound represented by formula (1) is at least one compound selected from acryloyloxyethyl succinate and carboxyethyl acrylate.4. The molded article according to claim 1 , wherein an inherent viscosity of a vinylidene fluoride-based copolymer is from 0.3 to 5.0 dL/g.5. The molded article according to claim 1 , wherein an absorbance ratio (A) expressed by equation (I) below obtained by measuring an infrared absorption spectrum of a vinylidene fluoride-based copolymer is from 0.01 to 3.0:{'br': None, 'i': A', '=A', '/A, 'sub': R', '1700-1800', '3023, '(I)'}{'sub': 1700-1800', '3023, 'sup': −1', '−1, '(wherein Ais absorbance originating from stretching vibration of carbonyl groups detected in a range of 1700 to 1800 cm, and Ais absorbance originating from CH stretching vibration of CH detected near 3023 cm).'}6. The molded article according to claim 1 , wherein the molded article is a sheet claim 1 , film claim 1 , strand claim 1 , fiber or tube.7. The molded article according to claim 1 , wherein the molded article has a layer obtained by melt molding a vinylidene fluoride-based copolymer and a layer formed from a thermoplastic resin other than a vinylidene fluoride-based copolymer.8. The ...

Fluorinated surfactant-free aqueous dispersion of a vinylidene fluoride copolymer comprising hydroxyl groups

The present invention pertains to a fluorosurfactant free aqueous dispersion of an acrylic-modified vinylidene fluoride polymer, possessing a melt viscosity of at least 30 kPoise, and possessing an amount of end groups of formula —CH 2 —OH of at least 5 mmol/kg, to a method for its preparation and to its use for the manufacture of electrochemical cell components, such as electrodes and/or composite separators.

Hybrid fluoropolymer composites

The present invention pertains to a fluoropolymer hybrid organic/inorganic composite, to a process for manufacturing said fluoropolymer hybrid organic/inorganic composite and films and membranes thereof and to uses of said fluoropolymer hybrid organic/inorganic composite and films and membranes thereof in various applications.

Dense fluoropolymer film

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—(CH 2 CH R A O) n —R B , wherein R A is a hydrogen atom or a C 1 -C 5 alkyl group, R B is a hydrogen atom or a —CH 3 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.

BONDING AGENT

A bonding agent includes: structural units represented by Formula I, Formula II, Formula III, and Formula IV: 2. The bonding agent of claim 1 , wherein:a molar percent of the structural units represented by Formula I in the bonding agent is 50% to 90%;a molar percent of the structural units represented by Formula II in the bonding agent is 0.1% to 20%;a molar percent of the structural units represented by Formula III in the bonding agent is 1% to 25%;a molar percent of the structural units represented by Formula IV in the bonding agent is 0.1% to 10%.3. The bonding agent of claim 2 , wherein:the molar percent of the structural units represented by Formula I in the bonding agent is 60% to 75%;the molar percent of the structural units represented by Formula II in the bonding agent is 5% to 10%;the molar percent of the structural units represented by Formula III in the bonding agent is 10% to 25%;the molar percent of the structural units represented by Formula IV in the bonding agent is 3% to 5%.4. The bonding agent of claim 1 , wherein claim 1 , in Formula II claim 1 , each of R claim 1 , R claim 1 , R claim 1 , and Ris independently selected from the group consisting of hydrogen claim 1 , and Cstraight-chain or branched alkyl groups.5. The bonding agent of claim 4 , wherein claim 4 , in Formula II claim 4 , each of R claim 4 , R claim 4 , R claim 4 , and Ris independently selected from the group consisting of hydrogen and Calkyl groups.6. The bonding agent of claim 1 , wherein claim 1 , in Formula III claim 1 , each of R claim 1 , R claim 1 , and Ris independently selected from the group consisting of hydrogen and Calkyl groups claim 1 , wherein Ris selected from Calkyl groups substituted by the substituting group or not substituted by the substituting group.7. The bonding agent of claim 6 , wherein claim 6 , in Formula III claim 6 , each of R claim 6 , R claim 6 , and Ris independently selected from the group consisting of hydrogen claim 6 , methyl claim 6 , and ...

Binder composition, mixture for producing electrode for non-aqueous electrolyte secondary battery, electrode for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery

The present invention is to provide a binder composition of a non-aqueous electrolyte secondary battery, which contains a vinylidene fluoride polymer and is capable of further enhancing adhesive strength of the electrode mixture layer to a surface of a current collector. The above objective can be achieved by a binder composition of a non-aqueous electrolyte secondary battery, the binder composition comprising a vinylidene fluoride copolymer for a binder of a non-aqueous electrolyte secondary battery, the vinylidene fluoride copolymer containing: a first constituent unit derived from vinylidene fluoride, and a second constituent unit containing an isocyanate group or having a structure that produces an isocyanate group when heated at 200° C. for 1 hour. This binder composition can be used in a mixture for producing an electrode for a non-aqueous electrolyte secondary battery, an electrode for a non-aqueous electrolyte secondary battery, and a non-aqueous electrolyte secondary battery.

树脂组合物、二次电池的隔膜以及二次电池

本申请提供一种电解液保持力优异的树脂组合物。该树脂组合物含有包含溶剂和电解质的电解质组合物以及偏氟乙烯共聚物，该偏氟乙烯共聚物是偏氟乙烯与下述式(1)所示的共聚单体的共聚物(R 1 和R 2 分别独立地为氢原子或氟原子，R 3 为氢原子、氟原子或碳原子数1～5的烷基，R 4 为能在分子间进行氢键合的碱性基团)。[化学式1]

活性反应性稳定剂存在下卤化的乙烯基单体的分散相聚合反应

本发明是关于一种用于卤化乙烯基化合物的分散相聚合的方法，这种卤化乙烯基化合物对应于式R b R c C＝CX 1 X 2 ，其中：X 1 ＝F或Cl，X 2 ＝H、F或Cl，R b 和R c 当中的每一个独立地表示：-H、Cl、F；或-烷基，优选地是氯化和/或氟化烷基，更有利的是全氯化或全氟化烷基，包括步骤(E1)，其中所述单体连同下列各项被引入到水相中，-至少一种自由基来源；和-至少一种反应性稳定剂，该反应性稳定剂包括聚合物链和硫羰基硫基团-S(C＝S)-，所述聚合物链包含非-(N-乙烯基内酰胺)单体单元。

含氟弹性体

VDF基可固化的含氟弹性体，其具有低于‑49℃，优选低于‑50℃的玻璃化转变温度，并具有下面的摩尔百分比的组成：A)25％‑50％，优选30％‑45％的下式的单体：CF 2 ＝CFOCF 2 OCF 3 (a)；B)量为75％‑50％，优选70％‑55％的一种或多种(全)氟化共聚单体，其具有至少一种乙烯型不饱和；所述的一种或多种共聚单体包含量为该单体摩尔总量的50％‑75％的1，1‑二氟乙烯(VDF)；所述的单体摩尔百分比的总和为100％；所述的含氟弹性体在其聚合物中含有低于说明书所报道方法的灵敏限度的量的‑COF端基。

Vinylidene-fluoride-based copolymer and application of said copolymer

본 발명은 종래의 불화비닐리덴계 공중합체보다 금속박과의 접착성이 우수한 불화비닐리덴계 공중합체 및 그 불화비닐리덴계 공중합체의 용도를 제공하는 것을 목적으로 한다. 본 발명의 불화비닐리덴계 공중합체는 불화비닐리덴과 식 (A) 로 나타내는 화합물을 공중합하여 얻어진다. 식 (A) 에 있어서, R 1 , R 2 , R 3 은 각각 독립적으로 수소 원자, 염소 원자 또는 알킬기이고, X 는 헤테로 원자를 포함하며, 또한 주사슬이 원자수 1 ∼ 20 으로 구성되는 분자량 500 이하의 원자단, 또는 헤테로 원자이다. It is an object of the present invention to provide a vinylidene fluoride copolymer excellent in adhesion to a metal foil and a vinylidene fluoride copolymer thereof, as compared with a conventional vinylidene fluoride copolymer. The vinylidene fluoride copolymer of the present invention is obtained by copolymerizing vinylidene fluoride and a compound represented by formula (A). In formula (A), R 1 , R 2 and R 3 are each independently a hydrogen atom, a chlorine atom or an alkyl group, X is a hetero atom, and the main chain has a molecular weight of 500 Atom, or a hetero atom.

使用了非氟化表面活性剂的偏氟乙烯系聚合物组合物及其制造方法

本发明提供一种偏氟乙烯系聚合物组合物以及偏氟乙烯系聚合物的制造方法，该偏氟乙烯系聚合物组合物在使用时不易产生起泡，因此操作性良好，并且不含氟化表面活性剂，该偏氟乙烯系聚合物的制造方法能保持良好的聚合稳定性，并且不使用氟化表面活性剂，以高产率得到偏氟乙烯系聚合物。本发明的偏氟乙烯系聚合物组合物含有偏氟乙烯系聚合物和特定的表面活性剂，不含氟化表面活性剂，相对于组合物中的固体成分，表面活性剂的含量以质量基准计为10ppm以上且低于100ppm，HLB值为10以上。本发明的偏氟乙烯系聚合物的制造方法包括：在水系的介质中，在特定的乳化剂和引发剂的存在下将特定的单体乳液聚合，不使用氟化表面活性剂，相对于单体，乳化剂的使用量以质量基准计为8.5ppm以上且低于100ppm。

氟树脂和立管

本发明提供一种即使在高温环境中也具有优异的机械强度、耐化学药品性和低透过性的新颖的氟树脂。该氟树脂的特征在于，其是含有四氟乙烯、偏二氟乙烯和烯键式不饱和单体(其中，将四氟乙烯和偏二氟乙烯除外。)的共聚单元的共聚物，基于动态粘弹性测定的170℃下的储能模量(E’)为60～400MPa。

A kind of preparation method of hexachlorocyclotriph,sphazene purification adsorbent

本发明提供了一种六氯环三磷腈提纯用吸附剂的制备方法：将一定量的偏氟乙烯分散到水中，按比例加入(Z)‑3,7‑二甲基‑2,6‑辛二烯‑1‑醇乙酸酯，6,10,14,18‑四甲基‑5,9,13,17‑十九碳四烯‑2‑酮,过硫酸铵和聚乙烯醇、9‑十八烯‑1‑醇磷酸酯，3‑甲基‑1,5‑二对甲苯基‑1,4‑五氮杂二烯，四‑(三甲基硅烯醚)钛，升温，在适宜温度下反应，产品过滤，烘干，即得到六氯环三磷腈提纯用吸附剂。

含氟弹性体

VDF基可固化的含氟弹性体，其具有低于-49℃，优选低于-50℃的玻璃化转变温度，并具有下面的摩尔百分比的组成：A)25％-50％，优选30％-45％的下式的单体：CF 2 ＝CFOCF 2 OCF 3 (a)；B)量为75％-50％，优选70％-55％的一种或多种(全)氟化共聚单体，其具有至少一种乙烯型不饱和；所述的一种或多种共聚单体包含量为该单体摩尔总量的50％-75％的1，1-二氟乙烯(VDF)；所述的单体摩尔百分比的总和为100％；所述的含氟弹性体在其聚合物中含有低于说明书所报道方法的灵敏限度的量的-COF端基。

Fluoropolymer film

본 발명은, 적어도 하나의 플루오로중합체 하이브리드 유기/무기 복합체[중합체(FH)]를 포함하는 플루오로중합체 필름, 상기 플루오로중합체 필름의 제조 방법, 및 다양한 적용에서의, 구체적으로는 전기화학 적용에서의 상기 플루오로중합체 필름의 용도에 관한 것이다.

Dispersed phase polymerisation of halogenated vinyl monomers in the presence of live reactive stabilisers

本发明是关于一种用于卤化乙烯基化合物的分散相聚合的方法，这种卤化乙烯基化合物对应于式R b R c C＝CX 1 X 2 ，其中：X 1 ＝F或Cl，X 2 ＝H、F或Cl，R b 和R c 当中的每一个独立地表示：‑H、Cl、F；或‑烷基，优选地是氯化和/或氟化烷基，更有利的是全氯化或全氟化烷基，包括步骤(E1)，其中所述单体连同下列各项被引入到水相中，‑至少一种自由基来源；和‑至少一种反应性稳定剂，该反应性稳定剂包括聚合物链和硫羰基硫基团‑S(C＝S)‑，所述聚合物链包含非‑(N‑乙烯基内酰胺)单体单元。

Vinylidene fluoride copolymers

본 발명은 비닐리덴 플루오라이드(VDF) 단량체 및 하기식으로 표기되는 적어도 하나의 친수성 (메트)아크릴 단량체(MA) The present invention relates to vinylidene fluoride (VDF) monomers and at least one hydrophilic (meth) acrylic monomer (MA) represented by the formula: (여기서, 동일하거나 서로 다른 각R1, R2, R3은 독립적으로 수소 원자 또는 C 1 -C 3 탄화수소기이고, R OH 는 수소 또는 적어도 하나의 하이드록실기를 포함하는 C 1 -C 5 탄화수소 모이어티)에서 각각 유도되는 반복단위들을 포함하되, 상기 친수성 (메트)아크릴 단량체(MA)에서 유도된 반복단위들은 0.05 내지 10 몰% 포함되며, 임의분포된 단위들(MA)의 비율은 40 % 이상을 차지함으로써, 향상된 열안정성을 가지는 선형구조의 반결정성 공중합체(고분자(A)), 이의 제조 방법, 이를 포함하는 조성물, 및 이의 전지 내 또는 친수성막 제조용 결합제로서의 용도에 관한 것이다. Wherein R 1, R 2 and R 3 are independently a hydrogen atom or a C 1 -C 3 hydrocarbon group and R OH is hydrogen or a C 1 -C 5 hydrocarbon moiety containing at least one hydroxyl group ), Wherein the proportion of repeating units derived from the hydrophilic (meth) acrylic monomer (MA) is from 0.05 to 10 mol% and the proportion of randomly distributed units (MA) is not less than 40% (Polymer (A)) having improved thermal stability, a method for producing the same, a composition comprising the same, and a use thereof as a binder in a cell or for producing a hydrophilic film. 비닐리덴 플루오라이드, 친수성(메트)아크릴 Vinylidene fluoride, hydrophilic (meth) acryl

High strength polyvinylidene fluoride composite

The invention relates to fluoropolymer composites having a fluoropolymer matrix containing a functionalized fluoropolymer composition, and reinforced with fibers. The fibers can be chopped fibers, long fibers, or a mixture thereof, and the fluoropolymer matrix preferably is based on polyvinylidene fluoride. Any type of fibers, sized or unsized may be used with the functionalized fluoropolymer matrix composition to form the fluoropolymer composite.

A kind of preparation method of valine purification adsorbent

本发明提供了一种缬氨酸提纯用吸附剂的制备方法：将一定量的偏氟乙烯分散到水中，按比例加入(3‑丙烯酰氧丙基)甲基二(三甲基硅氧基)硅烷，2,4‑十二碳二烯醛,过硫酸铵和聚乙烯醇、5,6,7‑三甲基‑八‑2,5‑二烯‑4‑酮，2‑(二甲基氨基)乙烯基‑3‑吡啶基酮，2,4‑十一烷二烯醇，升温，在75‑120℃,反应10‑20小时，产品过滤，烘干，即得到缬氨酸提纯用吸附剂。

Flexible pvdf polymers

The present invention pertains to vinylidene fluoride copolymers having improved flexibility, said copolymers comprising recurring units derived from hydrophilic (meth)acrylic monomers and from perhalogenated monomers, to a process for the manufacture of said copolymers, and to their use in applications where outstanding flexibility is required.

Polymer latex containing vinylidene fluoride and trifluoroethylene

本发明提供了新颖的具有更有序的铁电结晶相并且因此改进的铁电、热电、以及压电特性的偏二氟乙烯/三氟乙烯共聚物的颗粒的胶乳，以及一种用于通过乳液聚合在某些环状氟表面活性剂存在下制造这些胶乳的方法。

Vinylidene fluoride copolymer particles and use thereof

효율적으로 전극과 세퍼레이터 사이에 높은 접착성을 발현할 수 있는 불화 비닐리덴 공중합체 입자를 제공한다. 본 발명에 관한 불화 비닐리덴 공중합체 입자는 불화 비닐리덴과, 산소 원자를 포함하는 관능기를 갖는 화합물을 포함하며, 불화 비닐리덴 중합체 입자의 표면에서의 산소 원자 비율은 이 불화 비닐리덴 공중합체 입자의 표면 이외에서의 산소 원자 비율보다 높다. Provided is a vinylidene fluoride copolymer particle capable of efficiently expressing high adhesion between an electrode and a separator. The vinylidene fluoride copolymer particles according to the present invention include vinylidene fluoride and a compound having a functional group containing an oxygen atom, and the oxygen atom ratio on the surface of the vinylidene fluoride copolymer particles is Higher than the proportion of oxygen atoms outside the surface.

Method for manufacturing fluoroelastomers

本发明涉及一种用于制备一种具有如通过ASTM D‑3418‑08测量小于5J/g的熔化热的含氟弹性体[含氟弹性体(A)]的方法，所述方法包括在存在至少一种另外的氟化单体的情况下，在一种含水聚合反应介质中乳液聚合偏二氟乙烯(VDF)，所述方法包括在存在氧化还原自由基引发剂体系情况下聚合VDF和所述另外的氟化单体，该氧化还原自由基引发剂体系包括：‑至少一种有机氧化剂[试剂(O)]；‑至少一种有机还原剂[试剂(R)]；其中试剂(O)与试剂(R)分离地进料至所述聚合反应介质，从而试剂(O)与试剂(R)只在包括VDF和任选的另外的单体的所述聚合反应介质中进行接触，还涉及值得注意地由所述方法可获得的具有少量链缺陷和少量极性端基的含氟弹性体，以及自其获得的可固化的组合物。

Method for synthesizing fluoropolymers

本发明涉及一种用于合成氟聚合物、更具体是基于VDF的聚合物的不含氟表面活性剂的乳液聚合方法。

Vinylidene fluoride and trifluoroethylene polymers

The present invention pertains to a fluoropolymer [polymer (F)] comprising: - recurring units derived from vinylidene fluoride (VDF); - from 10% to 50% by moles of recurring units derived from trifluoroethylene (TrFE); and - from 0.01 % to 10% by moles of recurring units derived from at least one (meth)acrylic monomer [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 represents a hydrogen atom or a C1-C5 hydrocarbon moiety comprising at least one hydroxyl group. The invention also pertains to a process for the manufacture of said polymer (F) and to use of said polymer (F) as ferroelectric, piezoelectric, pyroelectric or dielectric material in electrical and electronic devices.

Vinylidene fluoride copolymers

The present invention pertains to a fluoropolymer [polymer (F)] comprising: - recurring units derived from vinylidene fluoride (VDF), and - from 0.01 % to 5% by moles of recurring units derived from at least one (meth)acrylic monomer [monomer (MA)] having formula (I), 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 represents a hydrogen atom or a C 1 -C 5 hydrocarbon moiety comprising at least one hydroxyl group, said polymer (F) comprising end groups having formula -CF 2 H and/or -CF 2 CH 3 in an amount of at least 30 mmoles per Kg of vinylidene fluoride (VDF) recurring units. The invention also pertains to a process for the manufacture of said polymer (F) and to use of said polymer (F) as binders for the manufacture of electrodes or for the manufacture of membranes.

Vinylidene fluoride copolymers

The present invention pertains to a fluoropolymer [polymer (F)] comprising: recurring units derived from vinylidene fluoride (VDF), and from 0.01% to 5% by moles of recurring units derived from at least one (meth)acrylic monomer [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 represents a hydrogen atom or a C 1 -C 5 hydrocarbon moiety comprising at least one hydroxyl group, said polymer (F) comprising end groups having formula —CF 2 H and/or —CF 2 CH 3 in an amount of at least 30 mmoles per Kg of vinylidene fluoride (VDF) recurring units. The invention also pertains to a process for the manufacture of said polymer (F) and to use of said polymer (F) as binders for the manufacture of electrodes or for the manufacture of membranes.

Vinylidene fluoride and trifluoroethylene polymers

The present invention pertains to a fluoropolymer [polymer (F)] comprising: recurring units derived from vinylidene fluoride (VDF); from 10% to 50% by moles of recurring units derived from trifluoroethylene (TrFE); and from 0.01% to 10% by moles of recurring units derived from at least one (meth)acrylic monomer [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 represents a hydrogen atom or a C 1 -C 5 hydrocarbon moiety comprising at least one hydroxyl group. The invention also pertains to a process for the manufacture of said polymer (F) and to use of said polymer (F) as ferroelectric, piezoelectric, pyroelectric or dielectric material in electrical and electronic devices.

Method for manufacturing a polymer electrolyte separator and polymer electrolyte separator therefrom

본 발명은 - 화학식(I)의 적어도 1종의 (메트)아크릴 단량체[단량체(MA)]로부터 유도된 반복단위를 포함하는 적어도 1종의 플루오로중합체[중합체(F)] (I) (화학식에서, 서로 동일하거나 상이한 R1, R2 및 R3 각각은 독립적으로 수소 원자 또는 C 1 -C 3 탄화수소기이고, R OH 는 적어도 하나의 하이드록실기를 포함하는 C 1 -C 5 탄화수소 모이어티임); - 화학식 X 4 -m AY m (화학식에서, m은 1 내지 4의 정수, A는 Si, Ti 및 Zr로 이루어진 군에서 선택되는 금속이고, Y는 가수분해성 기이고, X는 선택적으로 하나 이상의 관능기를 포함하는 탄화수소기임)의 적어도 1종의 금속 화합물[화합물(M)] ; - 적어도 1종의 전해질(E); 및 - 적어도 1종의 액체 가소제(S)의 혼합물을 제공하는 (i) 단계; 상기 중합체(F)의 상기 단량체(MA)의 R OH 기 중 하이드록실기의 적어도 일 부분을 상기 화합물(M)의 적어도 일 부분과 반응시켜, 펜던트(pendant) -Y m-1 AX 4-m 기(화학식에서, m, Y, A 및 X는 위에 상술된 것과 동일한 의미를 지님)를 포함한 그래프트 중합체를 수득하는 (ii) 단계; 화합물(M) 및/또는 펜던트(pendant) -Y m -1 AX 4 -m 기를 가수분해 및/또는 중축합시켜, 무기 도메인을 포함한 플루오로중합체 혼성 유기/무기 복합체, 혼입 용매(S) 및 전해질(E)을 포함하는 액체 혼합물을 생성하는 (iii) 단계; (iii)에서 수득된 액체 혼합물로부터 막을 주조하는 (iv) 단계; 및 (iv)에서 수득된 막을 건조시켜 고분자 전해질 세퍼레이터를 수득하는 (v) 단계를 포함하는, 플루오로중합체 혼성 유기/무기 복합체에 기반한 고분자 전해질 세퍼레이터의 제조 방법에 관한 것이다. The present invention relates to a composition comprising at least one fluoropolymer comprising at least one (meth) acrylic monomer of formula (I) [monomer (MA)] [polymer (F) (I) (Wherein R 1, R 2 and R 3, which are the same or different from each other, are each independently a hydrogen atom or a C 1 -C 3 hydrocarbon group and R OH is a C 1 -C 5 hydrocarbon moiety including at least one hydroxyl group) ; - X formula 4 -m AY m (In the formula, m is an integer from 1 to 4, A is a metal selected from the group consisting of Si, Ti and Zr, Y is a hydrolyzable group, X is optionally one or more functional groups (Compound (M)) of at least one kind of a hydrocarbon group (e.g. At least one electrolyte (E); And (i) providing a mixture of at least one liquid plasticizer (S); At least one portion of the hydroxyl group in the R OH group of the monomer (MA) of the polymer (F) is reacted with at least a portion of the compound (M) to form a pendant -Y m-1 AX 4-m (Ii) obtaining a graft polymer containing a group (in the formula, m, Y, A and X have the same meaning as described above); Hydrolysis and / or ...

Fluoroelastomer

本发明涉及过氧化物固化的含氟弹性体，这些含氟弹性体可以满足石油和天然气工业的需求，包括爆炸减压，并且可以在标准机器设备中以合理的生产量比率容易地被加工来产生固化部件，所述含氟弹性体包括：衍生自偏二氟乙烯(VDF)的重复单元；衍生自六氟丙烯(HFP)的重复单元；衍生自具有以下通式的至少一种双-烯烃[双-烯烃(OF)]的重复单元： 其中R 1 、R 2 、R 3 、R 4 、R 5 和R 6 彼此相同或不同，是H、一种卤素或C 1 -C 5 任选的卤化基团，有可能地包括一个或多个氧基团；Z是一种线性或支链的C 1 -C 18 任选的卤化的亚烷基或亚环烷基，任选地包含氧原子或一个(全)氟聚氧亚烷基；以及-碘或溴固化部位；当根据ASTM？D1646测量时，所述含氟弹性体进一步拥有门尼粘度为至少85MU(1+10121℃)。本申请人出人意料地发现如以上详细描述的含氟弹性体，尽管它们的高分子量以及因此它们的门尼粘度值，可以被有效地加工来产生固化部件，这些固化部件拥有出色的密封和机械特性，尤其在高温和/或暴露至有害环境(如在高温下暴露至化学品)中之后，以便在爆炸减压条件下提供出色的行为(基本上没有缺陷)。

Method for manufacturing fluoroelastomers

The invention pertains to a process for manufacturing a fluoroelastomer [fluoroelastomer (A)] having a heat of fusion of less than 5 J/g as measured by ASTM D-3418-08, said method comprising emulsion polymerizing vinylidene fluoride (VDF) in the presence of at least one additional fluorinated monomer, in an aqueous polymerization medium, said method comprising polymerizing VDF and said additional fluorinated monomer(s) in the presence of a redox radical initiator system comprising: —at least one organic oxidizing agent [agent (O)]; —at least one organic reducing agent [agent (R)]; wherein agent (O) is fed to said polymerization medium separately from agent (R), so that agent (O) comes in contact with agent (R) exclusively in said polymerization medium comprising VDF and optional additional monomer(s), to fluoroelastomers having low amount of chain defects and low amount of polar end groups, notably obtainable from said process, and to curable compositions therefrom.

Method for the controlled polymerization of fluoromonomers

The invention pertains to a method for emulsion polymerization of at least one fluoromonomer, said method comprising: (i) providing at least one aqueous emulsion comprising at least one surfactant and a monomer mixture [mixture (M)] comprising at least one fluoromonomer [monomer (F)] and optionally at least one additional monomer, and at least one RAFT/MADIX agent; (ii) initiating the polymerization of said monomer mixture in said aqueous emulsion adding at least one radical initiator; (iii) continuing the polymerization by adding additional amounts of said mixture (M) and said RAFT/MADIX agent, until converting the targeted amount of said mixture (M), and (iv) terminating the polymerization and recovering a latex of fluoropolymer [polymer (F)]; wherein the amount of RAFT/MADIX agent is comprised between 0.1 and 0.5 % moles, with respect to the total amount of converted monomers of said monomer mixture, and wherein the amount of said RAFT/MADIX agent present in the aqueous emulsion when initiating the polymerization in step (ii) is of at most 50% with respect to the total amount of said RAFT/MADIX agent.

VDF CONTAINING A (CO)POLYMER WITH A HIGH MOLECULAR WEIGHT USING A NEW PRECIPITATION POLYMERIZATION PROCESS

L’invention décrit un nouveau polymère de PVDF et le procédé de polymérisation par précipitation permettant de fabriquer le polymère ou le copolymère à base de fluorure de vinylidène. The invention describes a novel PVDF polymer and the precipitation polymerization process for making the vinylidene fluoride-based polymer or copolymer.

SYNTHESIS OF POLY (VINYLIDENE FLUORIDE) LATEX WITHOUT SURFACTANT BY RAFT EMULSION POLYMERIZATION

La présente invention concerne un procédé de production d'un latex fluoré stable par polymérisation en émulsion en l'absence de tensioactif fluoré, stabilisé par un copolymère séquencé amphiphile formé in situ. L'invention concerne en outre la dispersion aqueuse comprenant les chaînes de polymère fluoré et les copolymères séquencés amphiphiles, obtenue par ce procédé. The present invention relates to a process for producing a stable fluorinated latex by emulsion polymerization in the absence of fluorinated surfactant, stabilized by an amphiphilic block copolymer formed in situ. The invention further relates to the aqueous dispersion comprising the fluoropolymer chains and the amphiphilic block copolymers obtained by this method.

Fluorinated surfactant-free aqueous dispersion of vinylidene fluoride copolymer comprising hydroxyl groups

본 발명은, 용융 점도가 적어도 30 kP(킬로푸아즈)이고 화학식 -CH 2 -OH의 말단 기의 양이 적어도 5 mmol/kg인 아크릴-개질된 비닐리덴 플루오라이드 중합체의 플루오로계면활성제 무함유 수성 분산물, 이의 제조 방법, 및 전기화학 전지 구성요소, 예컨대 전극 및/또는 복합 세퍼레이터(composite separator)의 제조를 위한 이의 용도에 관한 것이다. The present invention relates to a fluorosurfactant free acrylic-modified vinylidene fluoride polymer having a melt viscosity of at least 30 kP (kilopoise) and an amount of end groups of the formula —CH 2 —OH of at least 5 mmol/kg It relates to aqueous dispersions, methods for their preparation, and their use for the preparation of electrochemical cell components, such as electrodes and/or composite separators.

Modified polyvinylidene fluoride dispersion liquid and preparation method and application thereof

本发明公开了一种改性聚偏氟乙烯分散液及其制备方法与应用，所述制备方法包括以下步骤：1）在非含氟表面活性剂的存在下，采用乳液聚合法使偏氟乙烯单体、任选地其它含氟和/或非含氟乙烯基单体发生聚合反应，得到聚偏氟乙烯初级分散液；2）将步骤1）获得的聚偏氟乙烯初级分散液中添加任意改性计量的环氧基硅烷偶联剂，进行后处理反应，制得所述改性聚偏氟乙烯分散液。本发明可以提供一种在金属、玻璃、木材等极性基材附着力高，且长期存储稳定的水性聚偏氟乙烯分散液，将该聚偏氟乙烯分散液用于锂离子电池材料粘结剂，具有优异的剥离强度同时保持良好的电化学稳定性。

AQUEOUS EMULSION POLYMERIZATION IN THE PRESENCE OF ETHERNET AS CHAIN TRANSMITTERS FOR THE PRODUCTION OF FLUOROPOLYMERS

Non-linear vinylidene fluoride copolymers

The present invention pertains to a non-linear, copolymer comprising recurring units derived from vinylidene fluoride (VDF) monomer, at least one functional comonomer and optionally at least one fluorinated ethylenic comonomer. The non-linear fluorinated copolymer comprises from 0.01 to 3.0% by moles of recurring units derived from functional comonomer. The non-linear fluorinated copolymer can be used as electrode binder in batteries.

Chain end functionalized fluoropolymers having good electrical properties and good chemical reactivity

Chain end functionalized fluoropolymers are disclosed exhibiting good chemical reactivity high breakdown electric field (E>100 MV/m) and high dielectric constants (i.e., ∈>10). The polymers can be prepared by functional initiators and from a variety of fluoromonomers including vinylidene difluoride together with one or more additional monomers. The polymers can be combined with other dielectric materials to form composites having uniform composition and morphology.

Method of producing fluoropolymers using acid-functionalized monomers

A fluoropolymer latex is obtained by emulsion polymerization of one or more fluoromonomers in the presence of one or more acid-functionalized monomers such as vinyl sulfonic acid or a salt thereof. A fluorosurfactant need not be present.

Form composition for electrodes

本发明涉及形成电极用组合物。本发明涉及一种基于溶剂的形成电极用组合物，包括分散在有机溶剂中的至少一种偏二氟乙烯(VDF)聚合物以及一种具有不超过25wt％的含氧量的氧化石墨烯，其中该VDF聚合物包括衍生自偏二氟乙烯(VDF)以及至少一种具有下式(I)的(甲基)丙烯酸类单体(MA)的重复单元： 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 烃基团，并且R OH 是氢原子或包括至少一个羟基的C 1 ‑C 5 烃基。本发明进一步涉及一种用于制造所述形成电极用组合物的方法，以及其用于制造二次锂电池的电极的用途。

Aqueous emulsion polymerization in the presence of ethers as chain transfer agents to produce fluoropolymers

The present invention provides a method of making a fluoropolymer comprising repeating units derived from one or more gaseous fluorinated monomers. The method comprises an aqueous emulsion polymerization of gaseous fluorinated monomers in the presence of an ether selected from the group consisting of dimethyl ether (DME), methyl tertiary butyl ether (MTBE) and mixtures thereof.

Fluoroelastomer composition

본 발명은 - 적어도 1종의 플루오로엘라스토머[플루오로엘라스토머 (A)]; - 적어도 1종의 염기성 화합물[염기 (B)]; - 반응성 수소 원자를 가지고 있는 사차화된 질소에 대해 오르토 또는 파라 위치에 있는 적어도 2개의 기가 있는 적어도 1종의 피리디늄형 염[염 (P)]을 포함하는 플루오로엘라스토머 조성물[조성물 (C)]에 관한 것이다.

Vinylidene fluoride-acrylic acid ester copolymer, process for producing the same and composition containing the same

A substantially random, linear vinylidene fluoride-acrylic acid ester copolymer comprising: (A) 5-85% by weight of a vinylidene fluoride unit, (B) 15-95% by weight of at least one unit selected from the group consisting of an alkyl acrylate unit and an alkoxy-substituted alkyl acrylate unit, and (C) optionally 10% by weight or less, based on the total weight of (A), (B) and (C), of a crosslinking monomer unit, and having an intrinsic viscosity of 0.01-10 dl/g as measured at 30° C. in N,N-dimethylformamide. Said copolymer has not only excellent heat resistance, ozone resistance and sour gasoline resistance but also excellent resistance to gasoline permeation.

A kind of preparation method of hydrophilicity kynoar resin

本发明公开了一种亲水性聚偏氟乙烯树脂的制备方法，包括：(1)将去离子水200～400份、VDF单体60～90份、共聚单体10～50份、分散剂0.05～1.5份、链转移剂0.1～0.5份、引发剂0.1～1.0份在搅拌转速50～80rpm下进行反应，反应温度为20～40℃，反应时间为12～24h，反应压力为2.0～4.5Mpa，得到悬浮聚合产物；(2)将步骤(1)得到的悬浮聚合产物洗涤、离心脱水、干燥，即得到亲水性聚偏氟乙烯树脂产品。本发明工艺简单，适于工业化，得到的产品制得的超滤膜具有较好的亲水性、较高的膜通量、较长的使用寿命且对金属离子有很好的去除效果。

Resin composition, coating composition comprising same, electrode for stacking, separator for stacking, and nonaqueous-electrolyte secondary battery and production method therefor

正極および負極両方へのドライ接着性に優れる樹脂組成物の提供を課題とする。　上記課題を解決する樹脂組成物は、フッ化ビニリデン由来の構成単位を７３．７質量％以上９６．９質量％以下、カルボキシ基を含む構成単位を０．１質量％以上１．３質量％以下、およびカルボキシ基を含まず、かつ前記フッ化ビニリデンと共重合可能な化合物由来の、他の構成単位を３質量％以上２５質量％以下、有する（ただし、前記フッ化ビニリデンを構成する構成単位の総量を１００質量％とする）フッ化ビニリデン共重合体を含む。前記フッ化ビニリデン共重合体４ｇを１ＬのＮ，Ｎ－ジメチルホルムアミドに溶解させた溶液の３０℃における固有粘度は、０．５ｄＬ／ｇ以上３ｄＬ／ｇ以下である。

Anionic fluorine-containing amphiphilic polymer and preparation method thereof

本发明公开了一种阴离子型含氟两亲聚合物及其制备方法。所述阴离子型含氟两亲共聚物是以含氟大分子为分散剂，以小分子酯类为增溶剂，以含氟单体及其它阴离子亲水单体为原料采用自由基悬浮聚合法聚合而成。所述含氟大分子分散剂由含氟乙单体与阴离子亲水单体在有机溶剂中通过溶液共聚合得到。本发明采用的含氟大分子分散剂，对含氟类的单体具有优异的分散效果，小分子酯类增溶剂可增加亲水单体与氟类单体相溶性，可制得高亲水含氟两亲共聚物。由该阴离子型含氟两亲聚合物可单独用于制备或与其他树脂共混制备高亲水性分离膜和电池隔膜材料等，与现有含氟分离膜材料相比亲水性好，可带入锂离子，阳离子吸附性好，成本低，应用前景好。

FLUORO-ELASTOMERS

Hybrid organic / inorganic composites based on fluoropolymers

The method of fluoropolymer is produced with the monomer of acid functionalization

在一种或多种酸功能化的单体（诸如乙烯基磺酸或其一种盐）的存在下通过对一种或多种含氟单体进行乳液聚合而获得了一种氟聚合物胶乳。不必存在一种含氟表面活性剂。

Vinylidene fluoride and trifluoro-ethylene polymkeric substance

本发明涉及氟聚合物[聚合物（F）]，该氟聚合物包括：-衍生自偏二氟乙烯（VDF）的重复单元；-衍生自三氟乙烯的按摩尔计从10%至50%的重复单元；以及-衍生自（甲基）丙烯酸系单体[单体（MA）]的按摩尔计从0.01%至10%的重复单元，该单体具有下列式(I)： ，其中：-R 1 ，R 2 和R 3 彼此相同的或不同，独立地选自氢原子和C 1 -C 3 烃基，并且-R OH 代表氢原子或包括至少羟基的一个C 1 -C 5 烃部分。本发明还涉及一种用于制造所述聚合物（F）的方法以及所述聚合物（F）在电气和电子器件中作为铁电、压电、热电或介电材料的用途。

VINYLIDENE FLUORIDE-BASED FLUOROELASTOMERS WHICH HAVE SUPERIOR RESISTANCE TO ORGANIC BASES.

SE PRESENTAN COPOLIMEROS FLUOROELASTOMERICOS QUE EXHIBEN UNA ALTA RESISTENCIA A LAS BASES Y A LOS ALCOHOLES, ASI COMO ALTAS PROPIEDADES MECANICAS Y RESISTENCIA A LAS BAJAS TEMPERATURAS, LOS COPOLIMEROS ESTAN COMPUESTOS, EN MOLES: ENTRE EL 4 Y 75% DE UNIDADES DE FLUORURO DE VINILIDENO; ENTRE EL 12 Y 40% DE UNIDADES DE HEXAFLUOROPROPENO Y / O PERFLUOROVINILETER Y / O HIDROPENTAFLUOROPROPENO Y / O CLOROTRIFLUOROETILENO; ENTRE EL 2 Y 35% DE UNIDADES DE UNA OLEFINA QUE CONTIENE HASTA 4 ATOMOS DE CARBONO; ENTRE EL 2 Y 60% DE UNIDADES DE TETRAFLUOROETILENO, TENIENDO EN CUANTA QUE, CUANDO LA SUMA DE LAS UNIDADES DE OLEFINA Y DE LAS UNIDADES DE PERFLUOROVINILETER ES IGUAL O MAYOR QUE EL 70%, DICHOS COPOLIMEROS POSEEN UN PESO MOLECULAR SUFICIENTEMENTE ALTO PARA EXHIBIR BUENAS CARACTERISTICAS MECANICAS. FLUOROELASTOMERIC COPOLYMERS ARE PRESENT, WHICH EXHIBIT A HIGH RESISTANCE TO BASES AND ALCOHOLS, AS WELL AS HIGH MECHANICAL PROPERTIES AND RESISTANCE TO LOW TEMPERATURES, THE COPOLYMERS ARE COMPOSED, IN MOLES: VENOUR, 75 YEARS OF UNIVERSITY OF VENUARY 4 AND 5 BETWEEN 12 AND 40% OF UNITS OF HEXAFLUOROPROPEN AND / OR PERFLUOROVINILETER AND / OR HYDROPENTAFLUOROPROPEN AND / OR CHLOROTRIFLUOROETHYLENE; BETWEEN 2 AND 35% OF UNITS OF AN OLEPHINE CONTAINING UP TO 4 CARBON ATOMS; BETWEEN 2 AND 60% OF TETRAFLUOROETHYLENE UNITS, TAKING INTO ACCOUNT THAT, WHEN THE SUM OF OLEFINE UNITS AND PERFLUOROVINILETER UNITS IS EQUAL TO OR GREATER THAN 70%, THESE COPOLYMERS HAVE A SUITABLE MOLECULARY WEIGHT MECHANICAL CHARACTERISTICS.

Method for the controlled polymerization of fluoromonomers

The invention pertains to a method for emulsion polymerization of at least one fluoromonomer, said method comprising: (i) providing at least one aqueous emulsion comprising at least one surfactant and a monomer mixture [mixture (M)] comprising at least one fluoromonomer [monomer (F)] and optionally at least one additional monomer, and at least one RAFT/MADIX agent; (ii) initiating the polymerization of said monomer mixture in said aqueous emulsion adding at least one radical initiator; (iii) continuing the polymerization by adding additional amounts of said mixture (M) and said RAFT/MADIX agent, until converting the targeted amount of said mixture (M), and (iv) terminating the polymerization and recovering a latex of fluoropolymer [polymer (F)]; wherein the amount of RAFT/MADIX agent is comprised between 0.1 and 0.5% moles, with respect to the total amount of converted monomers of said monomer mixture, and wherein the amount of said RAFT/MADIX agent present in the aqueous emulsion when initiating the polymerization in step (ii) is of at most 50% with respect to the total amount of said RAFT/MADIX agent.

Vinylidene fluoride copolymers

Method for controlled fusion fluorine monomer

本发明涉及一种用于乳液聚合至少一种氟单体的方法，所述方法包括：(i)提供至少一种水性乳液，该至少一种水性乳液包含至少一种表面活性剂和单体混合物[混合物(M)]以及至少一种RAFT/MADIX试剂，该单体混合物包含至少一种氟单体[单体(F)]和任选地至少一种附加的单体；(ii)添加至少一种自由基引发剂引发所述水性乳液中的所述单体混合物的聚合；(iii)通过添加附加量的所述混合物(M)和所述RAFT/MADIX试剂继续该聚合，直到转化目标量的所述混合物(M)，并且(iv)终止该聚合并且回收氟聚合物[聚合物(F)]的胶乳；其中RAFT/MADIX试剂的量相对于所述单体混合物的转化的单体的总量包括在0.1％与0.5％摩尔之间，并且其中当在步骤(ii)中引发该聚合时存在于该水性乳液中的所述RAFT/MADIX试剂的量相对于所述RAFT/MADIX试剂的总量是最多50％。

Polymer latex containing vinylidene fluoride and trifluoroethylene

본 발명은 보다 규칙적인 강유전 결정질 상을 가짐으로써, 개선된 강유전, 초전 및 압전 특성을 갖는 비닐리덴 플루오라이드/트리플루오로에틸렌 공중합체의 입자의 신규 라텍스, 및 특정 시클릭 플루오로계면활성제의 존재 하에 유화 중합에 의한 그의 제조 방법을 제공한다.

Fluoropolymer membrane for electrochemical devices

La presente invención se refiere a una membrana para un dispositivo electroquímico, a un proceso para fabricar dicha membrana y al uso de dicha membrana en un proceso para fabricar un dispositivo electroquímico. (Traducción automática con Google Translate, sin valor legal) The present invention relates to a membrane for an electrochemical device, to a process for manufacturing said membrane, and to the use of said membrane in a process for manufacturing an electrochemical device. (Automatic translation with Google Translate, without legal value)

Fluoroelastomer composition

The invention pertains to a fluoroelastomer composition comprising: (a) a vinylidene fluoride-based fluoroelastomer [fluoroelastomer (A)] comprising recurring units derived from vinylidene fluoride (VDF) and recurring units derived from at least one additional (per)fluorinated monomer; said fluoroelastomer (A): - possessing a polydispersity index (IMWD) of between 1.5 and 3.5, - comprising an amount of polar end groups of formula -CF 2 CH 2 OH of at least 3 mmol/kg and at most 6 mmol/kg, and - further comprising end of chain groups of formula -CF 2 H, -CF 2 CH 3 , and, optionally, - OC(0)-R H (with R H being a C 1 -C 6 alkyl group) in an amount such to satisfy the following inequality: [-CF 2 CH 2 OH]+[-CF 2 H]+[-CF 2 CH 3 ]+[-OC(0)R H ]≤ 30 + (2x10 6 )/M n , (b) at least one polyhydroxylated curing agent; (c) at least one accelerant; (d) at least one metal oxide selected from the group consisting of divalent metal oxides; and (e) optionally, at least one metal hydroxide, wherein the amount of said metal hydroxide, if present, is below 3 phr, based on 100 weight parts of fluoroelastomer (A).

Vinylidene fluoride copolymers

The present invention pertains to a linear semi-crystalline copolymer [polymer (A)] comprising recurring units derived from vinylidene fluoride (VDF) monomer and at least one hydrophilic (meth)acrylic monomer (MA) of formula (I) wherein each of R1, R2, R3, equal or different from each other, is independently an hydrogen atom or a C 1 -C 3 hydrocarbon group, and R OH is a hydrogen or a C 1 -C 5 hydrocarbon moiety comprising at least one hydroxyl group, said polymer (A) comprising from 0.05 to 10% by moles of recurring units derived from said hydrophilic (meth)acrylic monomer (MA) and being characterized by a fraction of randomly distributed units (MA) of at least 40%, having improved thermal stability, to a process for its manufacture, to a composition comprising the same, and to its use as binder in batteries or for the manufacture of hydrophilic membranes.