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公开(公告)号：US09580592B2
公开(公告)日：2017-02-28
申请号：US13980601
申请日：2012-01-18
CPC分类号： C08L29/10 , B01J31/08 , C08F8/44 , C08J5/20 , C08J5/2237 , C08J5/225 , C08J2327/12 , C09D127/12
摘要： A liquid composition comprising: a liquid medium comprising at least one aprotic polar organic solvent and less than 25 wt % based on the total weight of the composition of an alcohol; and at least 5 wt % based on the total weight of the composition of at least one fluorinated anion exchange polymer comprising a fluorocarbon backbone and side-chains covalently attached to the backbone having terminal groups of formula (I): —SO2NR1Q+X−, wherein Q+ is a group comprising at least one quaternary nitrogen atom, and R1 is H or a C1-C20 alkyl group, or forms a ring together with a group in Q+, wherein the ring contains 2 to 10 carbon atoms and, optionally, up to 4 heteroatoms; and X− is an anion selected among the group consisting of organic anions and lipophilic inorganic anions is disclosed. The liquid composition is suitable for the preparation of ion exchange membranes and as binders for electrocatalytic layers for use in electrochemical applications.
摘要翻译： 一种液体组合物，其包含：液体介质，其包含至少一种非质子极性有机溶剂，并且基于组合物的总重量小于25重量％ 和至少5重量％，基于组合物的至少一种氟化阴离子交换聚合物的总重量，所述氟化阴离子交换聚合物包含氟碳骨架和共价连接到具有式（I）的端基的主链的侧链：-SO 2 NR1Q + X-， 其中Q +是包含至少一个季氮原子的基团，并且R 1是H或C 1 -C 20烷基，或与Q +中的基团一起形成环，其中所述环含有2至10个碳原子，并且任选地为上 至4个杂原子; 并且X-是选自有机阴离子和亲脂性无机阴离子的阴离子。 液体组合物适用于制备离子交换膜和用作电化学应用中的电催化层的粘合剂。
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公开(公告)号：US20100121106A1
公开(公告)日：2010-05-13
申请号：US12595037
申请日：2008-04-08
CPC分类号： C08G65/007 , C08G65/322
摘要： A process for preparing perfluoropolyethers of formula T-O—(RF)z-T′ (I) wherein: T, T′ are end groups, z=0 or 1; RF is a perfluoro(poly)oxyalkylene chain containing one or more fluorooxyalkylene repeating units selected from the group consisting of (CF2O), —(CF(CF3)O)—, —(CF2CF2O)—, —(CF2CF(CF3)O)—, —(CF(CF3)CF2O)—, —(CF2CF2CF2O)—, —(CF2CF2CF2CF2O)—, and —(CF2)j—CFZ—O— wherein j is an integer from 0 to 3, and Z is a fluorooxyalkylene chain comprising from 1 to 20 repeating units selected from the above reported fluorooxyalkylene units; comprising the reduction of peroxidic perfluoropolyethers comprising one or more of the above defined repeating units by using gaseous hydrogen in the presence of a catalyst comprising one or more metals of the VIII group supported on graphitic materials.
摘要翻译： 制备式T-O-（RF）z-T'（I）的全氟聚醚的方法，其中：T，T'是端基，z = 0或1; RF是包含选自（CF 2 O）， - （CF（CF 3）O） - ， - （CF 2 CF 2 O） - ， - （CF 2 CF（CF 3）O）中的一种或多种氧代烯烃重复单元的全氟（聚）氧化烯链， - （CF（CF 3）CF 2 O） - ， - （CF 2 CF 2 CF 2 O） - ， - （CF 2 CF 2 CF 2 CF 2 O） - 和 - （CF 2）j-CFZ-O-其中j为0至3的整数，Z为氟氧化烯 链，其包含1至20个选自上述氟氧化烯单元的重复单元; 包括通过在包含一种或多种负载在石墨材料上的VIII族的金属的催化剂存在下使用气态氢来还原包含一个或多个上述定义的重复单元的过氧化全氟聚醚。
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公开(公告)号：US20090118550A1
公开(公告)日：2009-05-07
申请号：US12296263
申请日：2007-04-03
IPC分类号： C07C41/38
CPC分类号： C08G65/007 , C08G65/32
摘要： A process for preparing monocarboxylic perfluoropolyethers of formula: A-O-(RF)z-(CFY)t-C(O)OX (I) wherein: X is H, C1-C10 alkyl, or an aryl group; Y=F, CF3; t=1, 2 or 3; A is a C1-C4 perfluoroalkyl end group; z=0 or 1; RF is a perfluorooxyalkylene chain; having a number average molecular weight in the range 180-8,000; comprising the following steps: a) one or more distillations of perfluoropolyethers (PFPE) of formula T-O-(RF)z-T′ (II) wherein: z and RF are as above defined; T, T′, equal to or different from each other, are selected from acyl fluoride or carbonyl-containing functional end groups and non functional end groups to obtain one PFPE fraction of formula (II) wherein the difference between the minimum and the maximum molecular weight of the components is lower than or equal to 600; b) partial fluorination of the fraction obtained in a); c) esterification c1) and/or hydrolysis c2) of the mixture obtained in b); d) distillation of the product obtained in c2) or in c1).
摘要翻译： 一种制备式A-O-（RF）z-（CFY）t-C（O）OX（I）的单羧基全氟聚醚的方法，其中：X为H，C 1 -C 10烷基或芳基; Y = F，CF3; t = 1,2或3; A是C1-C4全氟烷基端基; z = 0或1; RF是全氟代亚烷基链; 数均分子量在180-8,000范围内; 包括以下步骤：a）式T-O-（RF）z-T'（II）的全氟聚醚（PFPE）的一个或多个蒸馏，其中：z和RF如上所定义; T，T'彼此相同或不同，选自酰基氟或含羰基的官能端基和非官能端基，以获得一种式（II）的PFPE级分，其中最小和最大分子之间的差异 部件重量低于或等于600; b）在a）中获得的级分的部分氟化; c）在b）中获得的混合物的酯化c1）和/或水解c2）; d）蒸馏在c2）或c1）中得到的产物。
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公开(公告)号：US07365229B2
公开(公告)日：2008-04-29
申请号：US11063996
申请日：2005-02-24
IPC分类号： C07C57/76
CPC分类号： C08G65/32 , C08G65/007
摘要： Peroxidic perfluoropolyethers having formula: X1—O(CF2O)n1(CF2CF2O)m1(CF2(CF2)zCF2O)p1(O)h—X2 (I) wherein: X1 and X2, equal to or different from each other, are chain end groups selected between —CF2COF and —COF; n1, m1, p1 and h are integers such that the number average molecular weight is in the range 700-100,000; z=1 or 2; with the proviso that: the m1/n1 ratio is between 0.2 and 10; the p1/(n1+m1) ratio is lower than 0.05; the h/(n1+m1+p1) ratio is such that the PO content, defined as grams of active oxygen/100 g of compound, is in the range 0.8-4.5, preferably 1.4-3.8; the perfluorooxyalkylene units being statistically distributed along the polymeric chain.
摘要翻译： 具有下式的过氧化全氟聚醚：<？in-line-formula description =“In-line Formulas”end =“lead”？> X 1 -O（CF 2 O） （CF 2）2（CF 2）2（CF 2）（CF 2）（CF 2） （O） > 2 <？in-line-formula description =“In-line Formulas”end =“tail”？>其中：X 1和X 2 < SUB>，彼此相同或不同，是在-CF 2 COF和-COF之间选择的链端基; n1，m1，p1和h是数均分子量在700-100,000范围内的整数; z = 1或2; 条件是：m1 / n1比在0.2和10之间; p1 /（n1 + m1）比低于0.05; h /（n1 + m1 + p1）的比例使得定义为活性氧克数/ 100g化合物的PO含量在0.8-4.5，优选1.4-3.8的范围内; 全氟氧化烯单元沿着聚合物链统计分布。
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公开(公告)号：US07329784B2
公开(公告)日：2008-02-12
申请号：US11370042
申请日：2006-03-08
IPC分类号： C07C409/00
CPC分类号： C08G65/005
摘要： A process for preparing peroxidic perfluoropolyethers having a peroxidic content (PO) higher than 1.2 of formula A-CF2O(CF2CF2O)m(CF2O)n—(CF2CF2OO)ml(CF2OO)nlCF2—B (I) wherein A, B, equal to or different from each other are Cl—, F—, ClCF2—, COF—, —OCOF, —CF3, m, ml, n, nl are integers such that the (m+ml)/(n+nl) ratio is between 0.9 and 5 and the m/n ratio is between 0.8 and 3, the number average molecular weight is in the range 35,000-45,000, by tetrafluoroethylene (TFE) photooxidation in the presence of UV light, at a temperature from −80° C. to −40° C., in the presence of a mixture of solvents formed of HFC-227 (heptafluoropropane) and a solvent selected from HFC-125 (pentafluoroethane) and FC-218 (perfluoropropane).
摘要翻译： 一种制备过氧化物全氟聚醚的方法，其过氧化物含量（PO）高于式？的线性公式描述=“在线公式”中的结果=“铅”→A-CF 2
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6.发明授权
公开(公告)号：US6096795A
公开(公告)日：2000-08-01
申请号：US772865
申请日：1996-12-26
摘要： This invention relates fluorinated polymers having high structural regularity, characterized by a high maximum operating temperature and by improved mechanical and processability properties, prepared by a (co)polymerization process of fluorinated olefinic monomers, optionally in association with non-fluorinated olefins, in aqueous emulsion, in the presence of radical photoinitiators and of ultraviolet-visible radiation.
摘要翻译： 本发明涉及具有高结构规整性的氟化聚合物，其特征在于最高工作温度和通过改进的机械和加工性能，其通过氟化烯烃单体（任选与非氟化烯烃缔合）在水乳液中的（共）聚合方法制备 在存在自由基光引发剂和紫外 - 可见辐射的情况下。
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公开(公告)号：US09568250B2
公开(公告)日：2017-02-14
申请号：US13820781
申请日：2011-09-08
摘要： A process for transferring heat comprising the following steps: (1) transferring heat from a body to a first heat transfer system by means of a secondary loop passageway comprising a heat transfer fluid and, optionally, (2) transferring heat from a second heat transfer system to said body by means of said secondary loop passageway comprising said heat transfer fluid, wherein: said second heat transfer system being the same as or different from said first heat transfer system, said secondary loop passageway comprises at least one polymer sealant selected from a rubber seal and a plastic pipe; and said heat transfer fluid comprises one or more linear perfluoropolyethers having formula RF—(OCF2)n(OCF2CF2)m(OCF2(CF2)zCF2)p—ORF (I), wherein RF, equal or different at each occurrence, is a C1-C3 perfluoroalkyl group, m, n and p, equal to or different from each other, are integers comprised between 0 and 100, the sum m+n being higher than 0, and z is equal to 1 or 2, and wherein said heat transfer fluid is circulated through said secondary loop passageway in step (1) for transferring said heat from said body to said first heat transfer system and, optionally, in step (2) for transferring said heat from said second heat transfer system to said body.
摘要翻译： 一种用于传递热量的方法，包括以下步骤：（1）借助于包括传热流体的二次回路通道和（2）从第二传热系统传递热量将热量从机体传递到第一传热系统 系统通过包括所述传热流体的所述次级回路通道连接到所述主体，其中：所述第二传热系统与所述第一传热系统相同或不同，所述次级回路通道包括至少一种聚合物密封剂，其选自 橡胶密封和塑料管; 并且所述传热流体包含具有式RF-（OCF 2）n（OCF 2 CF 2）m（OCF 2（CF 2）z CF 2）p-ORF（I）的一个或多个线性全氟聚醚，其中每次出现相等或不同的RF是C1 -C 3全氟烷基，m，n和p彼此相同或不同，为0〜100之间的整数，总和m + n高于0，z等于1或2，其中所述热 传递流体在步骤（1）中循环通过所述次级回路通道，用于将所述热量从所述主体转移到所述第一传热系统，并且可选地在步骤（2）中用于将所述热量从所述第二传热系统转移到所述主体。
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公开(公告)号：US08557952B2
公开(公告)日：2013-10-15
申请号：US13131240
申请日：2009-12-02
CPC分类号： C08G65/007
摘要： The invention pertains to novel (per)fluoropolyethers comprising at least one (per)fluoropolyoxyalkylene chain (chain Rf) comprising at least one recurring unit (R2) having formula: CF2—CF(CF2OSO2F)—O— (poly(fluorosulfate) PFPE) to a process for their manufacture, and to their use for providing functional (per)fluoropolyethers.
摘要翻译： 本发明涉及包含至少一种（全）氟聚氧化烯链（链Rf）的新型（全）氟聚醚，其包含至少一个具有式CF 2 CF（CF 2 OSO 2 F）-O-（聚（氟硫酸酯）PFPE）的重复单元（R2） 涉及其制造方法及其用于提供功能性（全）氟聚醚的用途。
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公开(公告)号：US20130244131A1
公开(公告)日：2013-09-19
申请号：US13989283
申请日：2011-11-28
IPC分类号： H01M8/10
CPC分类号： H01M8/1006 , H01M8/0232 , H01M8/0254 , H01M8/1004 , H01M2008/1095
摘要： A method for the preparation of corrugated fuel cell units from a composite laminate comprising an ion conductive membrane having first and second surface; a first electrocatalyst layer in contact with the first surface of the membrane; a second electrocatalyst layer in contact with the second surface of the membrane; a first metallic mesh in contact with said first electrocatalyst layer and a second metallic mesh in contact with said second electrocatalyst layer.
摘要翻译： 一种由复合层压制备波纹燃料电池单元的方法，包括具有第一和第二表面的离子传导膜; 与膜的第一表面接触的第一电催化剂层; 与所述膜的第二表面接触的第二电催化剂层; 与所述第一电催化剂层接触的第一金属网和与所述第二电催化剂层接触的第二金属网。
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公开(公告)号：US08399565B2
公开(公告)日：2013-03-19
申请号：US11995374
申请日：2006-06-27
IPC分类号： C08F214/26 , C08L27/16
CPC分类号： C08L27/16 , C08L27/18 , C08L71/00 , C08L2205/02 , C08L2205/03 , C08L2666/02
摘要： The invention pertains to a thermoplastic fluoropolymer composition comprising: at least one thermoplastic partially fluorinated fluoropolymer having a melt flow index (MFI) of less than 10 g/10 min, as measured according to ASTM D-1238 under a piston load of 5 kg polymer A; from 0.05 to 5% by weight of A at least one (per)fluoropolyether, polymer B; and from 0 to 10% by weight of A of at least one per(halo)fluoropolymer polymer C. The addition of a (per)fluoropolyether B and, optionally, of a per(halo)fluoropolymer C advantageously enables improvement of rheological behavior of thermoplastic partially fluorinated fluoropolymer A, making possible processing in less severe conditions and yielding final parts with outstanding surface aspect and good homogeneity and coherency. Still objects of the inventions are the process for manufacturing said thermoplastic fluoropolymer composition and the articles thereof.
摘要翻译： 本发明涉及一种热塑性含氟聚合物组合物，其包含：至少一种热塑性部分氟化含氟聚合物，其熔体流动指数（MFI）小于10g / 10min，根据ASTM D-1238在5kg聚合物的活塞负荷下测量 一个; 0.05至5重量％的A至少一个（全）氟聚醚，聚合物B; 和0至10重量％的至少一个每（卤素）含氟聚合物C的A。加入（全）氟聚醚B和任选的全（卤）氟聚合物C有利地可以改善流变行为 热塑性部分氟化氟聚合物A，使得在较不严格的条件下可能的处理并产生具有突出的表面方面和良好的均匀性和一致性的最终部件。 本发明的另一个目的是制造所述热塑性含氟聚合物组合物及其制品的方法。
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