Fluorinated membranes
    1.
    发明申请
    Fluorinated membranes 失效
    氟化膜

    公开(公告)号:US20050239912A1

    公开(公告)日:2005-10-27

    申请号:US11110745

    申请日:2005-04-21

    摘要: Ionomeric membranes comprising (per)fluorinated, se-micrystalline or amorphous, ionomeric polymers, having equivalent weight (EW) from 380 g/eq to 1,800 g/eq, which used in fuel cells, under the following conditions: membrane thickness 50 μm assembled between two electrodes catalyzed with 0.6 mg/cm2 Pt/C and treated with 0.7 mg/cm2 of Nafion®, having a 10 cm2 area; hydrogen and air feeding, both at the pressure of 0.25 MPa, both saturated with water at 80° C.; cell temperature 75° C.; for membranes formed of copolymers TFE/F2C═CF—O—(CF2)2—SO2F, give the following maximum specific power (PMAX) values, at the indicated EW values: at EW=670 PMAX higher than 0.55 Watt/cm2; at EW=830 PMAX higher than 0.66 Watt/cm2; at EW=1,160 PMAX higher than 0.50 Watt/cm2; at EW=1,600 PMAX higher than 0.32 Watt/cm2.

    摘要翻译: 离子聚合物膜包含在以下条件下用于燃料电池的(全)氟化,结晶或无定形离聚物聚合物,其具有380g / eq至1,800g / eq当量的等效重量(EW):组装的膜厚度50μm 在用0.6mg / cm 2 Pt / C催化的两个电极之间,并用0.7mg / cm 2的Nafion处理,其具有10cm 2 / / SUP>区域; 氢气和空气进料,两者在0.25MPa的压力下,均在80℃下用水饱和; 电池温度为75℃。 对于由共聚物形成的膜TFE / F 2 C-CF-O-(CF 2)2 -SO 2 2 F,在指定的EW值下给出以下最大比功率(P MAX):在EW = 670 P最高高于0.55瓦特/厘米 2 ; 在高于0.66Watt / cm 2的EW = 830P最大值 在EW = 1,160 P MAX高于0.50Watt / cm 2的情况下, 在高于0.32瓦/厘米2的EW = 1,600P最高

    Fluorinated membranes
    2.
    发明授权
    Fluorinated membranes 失效
    氟化膜

    公开(公告)号:US07399791B2

    公开(公告)日:2008-07-15

    申请号:US11110745

    申请日:2005-04-21

    IPC分类号: C08J5/20

    摘要: Ionomeric membranes comprising (per)fluorinated, se-micrystalline or amorphous, ionomeric polymers, having equivalent weight (EW) from 380 g/eq to 1,800 g/eq, which used in fuel cells, under the following conditions: membrane thickness 50 μm assembled between two electrodes catalyzed with 0.6 mg/cm2 Pt/C and treated with 0.7 mg/cm2 of Nafion®, having a 10 cm2 area; hydrogen and air feeding, both at the pressure of 0.25 MPa, both saturated with water at 80° C.; cell temperature 75° C.; for membranes formed of copolymers TFE/F2C═CF—O—(CF2)2—SO2F, give the following maximum specific power (PMAX) values, at the indicated EW values: at EW=670 PMAX higher than 0.55 Watt/cm2; at EW=830 PMAX higher than 0.66 Watt/cm2; at EW=1,160 PMAX higher than 0.50 Watt/cm2; at EW=1,600 PMAX higher than 0.32 Watt/cm2.

    摘要翻译: 离子聚合物膜包含在以下条件下用于燃料电池的(全)氟化,结晶或无定形离聚物聚合物,其具有380g / eq至1,800g / eq当量的等效重量(EW):组装的膜厚度50μm 在用0.6mg / cm 2 Pt / C催化的两个电极之间,并用0.7mg / cm 2的Nafion处理,其具有10cm 2 / / SUP>区域; 氢气和空气进料,两者在0.25MPa的压力下,均在80℃下用水饱和; 电池温度为75℃。 对于由共聚物形成的膜TFE / F 2 C-CF-O-(CF 2)2 -SO 2 2 F,在指定的EW值下给出以下最大比功率(P MAX):在EW = 670 P最高高于0.55瓦特/厘米 2 ; 在高于0.66Watt / cm 2的EW = 830P最大值 在EW = 1,160 P MAX高于0.50Watt / cm 2的情况下, 在高于0.32瓦/厘米2的EW = 1,600P最高

    Fluoropolymer Tape, Article Comprising a Fluoropolymer Tape and Process for Manufacturing a Fluoropolymer Tape
    3.
    发明申请
    Fluoropolymer Tape, Article Comprising a Fluoropolymer Tape and Process for Manufacturing a Fluoropolymer Tape 审中-公开
    含氟聚合物胶带,含氟聚合物胶带的制品和制造含氟聚合物胶带的方法

    公开(公告)号:US20080014423A1

    公开(公告)日:2008-01-17

    申请号:US11628709

    申请日:2005-06-10

    摘要: Tape comprising a polymer composition, said polymer composition comprising at least one fluoropolymer and a modifier consisting of at least one aromatic polyimide chosen from aromatic polyamide-imides and aromatic polyesterimides, and, optionally in addition, at least one aromatic polyimide chosen from aromatic polyimides other than aromatic polyamide-imides and aromatic polyesterimides, said modifier being comprised in the polymer composition in an amount of up to 75 wt. % (based on the total weight of the polymer composition). Article comprising said tape. Processes especially well-adapted for manufacturing said tape. Use of the above modifier as an additive of a polymer composition comprising a fluoropolymer, to increase the abrasion resistance either of a tape comprising said polymer composition, or of an article comprising an outermost layer which covers at least partially the article, said outer most layer comprising a tape comprising said polymer composition.

    摘要翻译: 包含聚合物组合物的胶带,所述聚合物组合物包含至少一种含氟聚合物和由选自芳族聚酰胺 - 酰亚胺和芳族聚酯酰亚胺的至少一种芳族聚酰亚胺组成的改性剂,以及任选地另外选自芳族聚酰亚胺其它 比芳族聚酰胺 - 酰亚胺和芳族聚酯酰亚胺,所述改性剂以高达75wt。 (基于聚合物组合物的总重量)。 文章包括所述胶带。 特别适用于制造所述胶带的工艺。 使用上述改性剂作为包含含氟聚合物的聚合物组合物的添加剂,以增加包含所述聚合物组合物的胶带或包含至少部分地覆盖制品的最外层的制品的耐磨性,所述最外层 包括包含所述聚合物组合物的胶带。

    Water-based fluoropolymer composition
    4.
    发明授权
    Water-based fluoropolymer composition 有权
    水性含氟聚合物组合物

    公开(公告)号:US07985790B2

    公开(公告)日:2011-07-26

    申请号:US12095798

    申请日:2006-12-04

    IPC分类号: C08K5/05

    摘要: A fluoropolymer composition comprising: at least one thermoplastic partially fluorinated fluoropolymer [polymer (F)]; water; less than 15% wt (based on total weight of composition) of a water-soluble solvent mixture [mixture (M)] comprising: at least one alcohol solvent [solvent (A)]; at least one glycol derivative solvent having a boiling point of at least 100° C. [solvent (GD)], wherein the solvent (GD) is a derivative of a compound comprising at least two hydroxyl groups, wherein at least one of the hydroxyl group has been derivatized to yield an ether or an ester bond.

    摘要翻译: 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[聚合物(F)]; 水; 包含:至少一种醇溶剂[溶剂(A)];小于15重量%(基于组合物的总重量)的水溶性溶剂混合物[混合物(M) 至少一种沸点为至少100℃的二醇衍生物溶剂[溶剂(GD)],其中溶剂(GD)是包含至少两个羟基的化合物的衍生物,其中至少一个羟基 已经衍生化得到醚或酯键。

    Water-Based Fluoropolymer Composition
    5.
    发明申请
    Water-Based Fluoropolymer Composition 有权
    水基含氟聚合物组合物

    公开(公告)号:US20090018244A1

    公开(公告)日:2009-01-15

    申请号:US12095798

    申请日:2006-12-04

    IPC分类号: C08K5/06 C08K5/10 C08K5/05

    摘要: A fluoropolymer composition comprising: at least one thermoplastic partially fluorinated fluoropolymer [polymer (F)]; water; less than 15% wt (based on total weight of composition) of a water-soluble solvent mixture [mixture (M)] comprising: at least one alcohol solvent [solvent (A)]; at least one glycol derivative solvent having a boiling point of at least 100° C. [solvent (GD)], wherein the solvent (GD) is a derivative of a compound comprising at least two hydroxyl groups, wherein at least one of the hydroxyl group has been derivatized to yield an ether or an ester bond. Another object of the present invention is a process for manufacturing said composition. Still another object of the invention is the use of the composition of the invention for coating. Still another object of the invention is a coated article, obtained using the composition of the invention.

    摘要翻译: 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[聚合物(F)]; 水; 包含:至少一种醇溶剂[溶剂(A)];小于15重量%(基于组合物的总重量)的水溶性溶剂混合物[混合物(M) 至少一种沸点为至少100℃的二醇衍生物溶剂[溶剂(GD)],其中溶剂(GD)是包含至少两个羟基的化合物的衍生物,其中至少一个羟基 已经衍生化得到醚或酯键。 本发明的另一个目的是制备所述组合物的方法。 本发明的另一个目的是使用本发明的组合物进行涂覆。 本发明的另一个目的是使用本发明的组合物获得的涂层制品。

    Fluoropolymer dispersions
    6.
    发明授权
    Fluoropolymer dispersions 失效
    含氟聚合物分散体

    公开(公告)号:US06277906B1

    公开(公告)日:2001-08-21

    申请号:US09705699

    申请日:2000-11-06

    IPC分类号: C08K0543

    CPC分类号: C08J3/03 C08J2327/18

    摘要: Fluoropolymer aqueous dispersions comprising an hydrogenated nonionic surfactant and a fluorinated nonionic surfactant selected from the following classes: Rf—L—(OCH(R1)—CH(R2) )n—O—A  (I) wherein: n is an integer comprised between 4 and 60; L is selected from: —(CF(Y)—CO—O)pR′—; —(CF(Y)—CO—NH)pR′—; —(CF(Y)—SO2—NH)pR′—; wherein: p is 0 or 1; Y can be F or CF3; R′ is an alkylic radical C1-C5; R1, R2 can preferably be both H or the former H and the latter CH3, Rf can be a radical of (per)fluoroalkane type from 4 to 20 C atoms or of (per)fluoropolyether type; A is selected from the following ones: —H; —CH, —CH2OH; —CH2OCH2CH2OH; —CH2(OCH2CH2)n′″OR′ wherein n′″ is an integer between 2 and 15 and R′ is H, CH3, COCH3; —CONHCH2CH2OH.

    摘要翻译: 含有氢化非离子表面活性剂和氟化非离子表面活性剂的含氟聚合物水性分散体,其选自以下类别:其中:n是4至60之间的整数; L选自: - (CF(Y)-CO-O)pR'- ; - (CF(Y)-CO-NH)pR'-; - (CF(Y)-SO 2 -NH)pR' - ;其中:p为0或1; Y可以是F或CF3; R'是烷基基团C 1 -C 5; R 1,R 2可优选同时为H或前者H,后者为CH 3,R f可为4-至20个C原子的(全)氟烷烃基团或(全)氟聚醚 类型; A从以下选项中选择:-H; -CH,-CH 2 OH; -CH 2 OCH 2 CH 2 OH; -CH 2(OCH 2 CH 2)n“'OR'其中n”是2和15之间的整数,R'是H,CH 3,COCH 3; -CONHCH2CH2OH。

    Fluoropolymer dispersions
    7.
    发明授权

    公开(公告)号:US06174979B1

    公开(公告)日:2001-01-16

    申请号:US09121091

    申请日:1998-07-23

    IPC分类号: C08F11612

    CPC分类号: C08J3/03 C08J2327/18

    摘要: Fluoropolymer aqueous dispersions comprising an hydrogenated nonionic surfactant and a fluorinated nonionic surfactant selected from the following classes: Rf—L—(OCH(R1)—CH(R2))n—O—A  (I) wherein: n is an integer comprised between 4 and 60; L is selected from: —(CF(Y)—CO—O)pR′—; —(CF(Y)—CO—NH)pR′—; —(CF(Y)—SO2—NH)pR′—; wherein: p is 0 or 1; Y can be F or CF3; R′ is an alkylic radical C1-C5; R1, R2 can preferably be both H or the former H and the latter CH3, Rf can be a radical of (per)fluoroalkane type from 4 to 20 C atoms or of (per)fluoropolyether type; A is selected from the following ones: —H; —CH, —CH2OH; —CH2OCH2CH2OH; —CH2(OCH2CH2)n′″OR′ wherein n′″ is an integer between 2 and 15 and R′ is H, CH3, COCH3; —CONHCH2CH2OH.

    Fluoropolymer dispersions
    10.
    发明授权
    Fluoropolymer dispersions 失效
    含氟聚合物分散体

    公开(公告)号:US06359044B1

    公开(公告)日:2002-03-19

    申请号:US09881696

    申请日:2001-06-18

    IPC分类号: C08K543

    CPC分类号: C08J3/03 C08J2327/18

    摘要: Fluoropolymer aqueous dispersions comprising an hydrogenated nonionic surfactant and a fluorinated nonionic surfactant selected from the following classes: Rf—L—(OCH(R1)—CH(R2))n—O—A  (I) wherein: n is an integer comprised between 4 and 60; L is selected from: —(CF(Y)—CO—O)pR′—; —(CF(Y)—CO—NH)pR′—; —(CF(Y)—SO2—NH)pR′—; wherein: p is 0 or 1; Y can be F or CF3; R′ is an alkylic radical C1-C5; R1, R2 can preferably be both H or the former H and the latter CH3, Rf can be a radical of (per)fluoroalkane type from 4 to 20 C atoms or of (per)fluoropolyether type; A is selected from the following ones: —H; —CH, —CH2OH; —CH2OCH2CH2OH; —CH2(OCH2CH2)n′″OR′ wherein n′″ is an integer between 2 and 15 and R′ is H, CH3, COCH3; —CONHCH2CH2OH.

    摘要翻译: 含有氢化非离子表面活性剂和氟化非离子表面活性剂的含氟聚合物水性分散体,其选自以下类别:其中:n是4至60之间的整数; L选自: - (CF(Y)-CO-O)pR'- ; - (CF(Y)-CO-NH)pR' - ; - (CF(Y)-SO2-NH)pR' - ;其中:p为0或1; Y可以是F或CF3; R'是烷基基团C 1 -C 5; R 1,R 2可优选同时为H或前者H,后者为CH 3,R f可为4-至20个C原子的(全)氟烷烃基团或(全)氟聚醚 类型; A从以下选项中选择:-H; -CH,-CH 2 OH; -CH 2 OCH 2 CH 2 OH; -CH 2(OCH 2 CH 2)n“'OR'其中n”是2和15之间的整数,R'是H,CH 3,COCH 3; -CONHCH2CH2OH。