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公开(公告)号:US06265494B1
公开(公告)日:2001-07-24
申请号:US09080954
申请日:1998-05-19
申请人: Ivan Wlassics , Alberto Zompatori , Anna Staccione
发明人: Ivan Wlassics , Alberto Zompatori , Anna Staccione
IPC分类号: C08F800
CPC分类号: C08K5/50 , C08K5/0025 , C08K5/5419 , C08L27/16 , C08L71/02 , C08L2666/14
摘要: Curable fluoroelastomeric compositions comprising: A) 100 phr (parts) of fluoroelastomeric copolymers based on vinylidenefluoride (VDF) copolymers and at least a partially or completely fluorinated comonomer having an ethylene unsaturation; B) 0.5 to 10 phr of a curing agent having the general formula [(R3—Si)m—(CyM2y—O—CzM2z)p—(CtM2t−1)n—Pq—O—]2Q wherein m, q are independently 0 or 1; p=0, 1, 2 or 3; n=0, 1 or 2; y, z are each from 1 to 20; t is from 3 to 10; R is selected from the group consisting of a CxM2x+1 linear or branched aliphatic chain containing hydrogen and/or fluorine (M=H and/or F), a CxM2x−1 cycloaliphatic structure containing hydrogen and/or fluorine, a CxMx−1 aromatic structure containing hydrogen or fluorine (wherein x in the formulas is an integer from 1 to 20) and Pa wherein P is a bivalent (per)fluoropolyether linking group and a is an integer from 0 to 1; Q is selected from the group consisting of an aromatic or an aliphatic structure, an aromatic structure containing nitrogen or oxygen and a structure having the following formula —S1—C(S2)—C(S3)—Z—C(S4)—C(S5)—S6— wherein S1, S2, S3, S4, S5 and S6 are equal to or different from each other, and are H or C1-C5 alkyls and Z is a C1-C18 alkylene or cycloalkylene radical, linear or branched, optionally containing oxygen and/or fluorine atoms, or a bivalent (per)fluoropolyoxyalkylene radical P; with the proviso that when p is different from 0, m=1 and n=q=0; when n is different from 0, m=p=q=0; and when q is different from 0, m=1 and p=n=0; and C) an accelerant being an onium-organic compound having a positive charge in an amount from 0.05 to 5 phr.
摘要翻译: 可固化的含氟弹性体组合物,其包含:A)基于偏二氟乙烯(VDF)共聚物和至少部分或完全氟化的具有乙烯不饱和度的共聚单体的100phr(份)氟弹性体共聚物; B)0.5至10phr具有一般形式的固化剂 m,q独立地为0或1; p = 0,1,2或3; n = 0,1或2; y,z分别为1〜20; t为3〜10; R选自含有氢和/或氟(M = H和/或F)的CxM2x + 1直链或支链脂族链,含有氢和/或氟的CxM2x-1脂环族结构,CxMx-1 含有氢或氟的芳香族结构(式中,x为1〜20的整数)和Pa,其中P为二价(全)氟聚醚连接基,a为0〜1的整数。 Q选自芳族或脂族结构,含氮或氧的芳族结构和具有下列通式的结构-S1-C(S2)-C(S3)-ZC(S4)-C(S5) )-S6-,其中S1,S2,S3,S4,S5和S6彼此相同或不同,并且是H或C1-C5烷基,Z是直链或支链的C1-C18亚烷基或亚环烷基,任选地 含有氧和/或氟原子,或二价(全)氟聚氧亚烷基P; 条件是当p不同于0时,m = 1且n = q = 0; 当n与0不同时,m = p = q = 0; 当q不同于0时,m = 1,p = n = 0; 和C)促进剂,其为0.05至5phr的正电荷的鎓 - 有机化合物。
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公开(公告)号:US06896996B2
公开(公告)日:2005-05-24
申请号:US10028310
申请日:2001-12-28
IPC分类号: C08L101/00 , C07C309/10 , C08G65/00 , C08G65/22 , C08L67/00 , C08L71/00 , H01M2/16 , H01M10/052 , H01M10/0565 , H01M10/0567 , H01M10/0568 , H01M10/36 , H01M6/16
CPC分类号: H01M10/0565 , C07C309/10 , C08G65/007 , C08L67/00 , C08L71/00 , H01M2/1653 , H01M10/052 , H01M10/0567 , H01M10/0568 , H01M2300/0085 , C08L2666/22
摘要: Electrolytic compositions comprising a perfluoropolyether additive of formula (I): wherein: d, e, f are integers; a, b, c can be zero or integers; being a+b+c+d+e+f such that the number average molecular weight ranges from 500 to 5×105; T are end groups —CF2X (X═F,CF3, Cl), —C3F7, —CF(CF3)COO−(1/n)Mn+, —CF2COO−(1/n) Mn+, —CF2C(O(1/n)Mn+)2CF3; Mn− is a cation having valence n=1-4.
摘要翻译: 包含式(I)的全氟聚醚添加剂的电解组合物:其中:d,e,f为整数; a,b,c可以为零或整数; 是+ b + c + d + e + f,使得数均分子量为500至5×10 5; T是末端基团-CF 2 X(XF,CF 3,Cl),-C 3 C 7 ,-CF(CF 3)COO - (1 / n)M n +, - CO 2 CO 2, (1 / n)M + n + + / - C(O(1 / n)M + n + 2 3> CF 3 3; n是n = 1-4的阳离子。
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公开(公告)号:US20070149827A1
公开(公告)日:2007-06-28
申请号:US11634145
申请日:2006-12-06
IPC分类号: C07C41/22
CPC分类号: C07C41/06 , C07C41/22 , C07C41/24 , C07C43/123 , C07C43/17
摘要: A process for preparing fluorovinylethers having general formula: RfO—CF═CF2 (IA) wherein Rf is a fluorinated or perfluorinated alkyl or cycloalkyl substituent; comprising the following reaction steps: 1) reaction of a hypofluorite of formula RfOF, wherein Rf is as above, with an olefin of formula: CY″Y═CY′CI (II) wherein Y, Y′ and Y″, equal to or different from each other, are H, Cl, Br, with the proviso that Y, Y′ and Y″ are not contemporaneously hydrogen; 2) dehalogenation or dehydrohalogenation of the fluorohalogenethers obtained in step 1) and obtainment of vinyl ethers of formula: RfO—CYI═CYIIF (IV) wherein YI and YII, equal to or different from each other, have the meaning of H, Cl, Br with the proviso that YI and YII are not both H; 3) fluorination with fluorine of the vinyl ethers (IV) and obtainment of fluorohalogenethers of formula: RfO—CFYI—CF2YII (I) wherein YI, YII, equal to or different from each other, are Cl, Br, H with the proviso that YI and YII cannot be contemporaneously equal to H; 4) dehalogenation or dehydrohalogenation of the fluorohalogenethers (I) and obtainment of the fluorovinylethers (IA).
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公开(公告)号:US07612242B2
公开(公告)日:2009-11-03
申请号:US11634145
申请日:2006-12-06
IPC分类号: C07C41/22
CPC分类号: C07C41/06 , C07C41/22 , C07C41/24 , C07C43/123 , C07C43/17
摘要: A process for preparing fluorovinylethers having general formula: RfO—CF═CF2 (IA) wherein Rf is a fluorinated or perfluorinated alkyl or cycloalkyl substituent; comprising the following reaction steps: 1) reaction of a hypofluorite; 2) dehalogenation or dehydrohalogenation of the fluorohalogenethers obtained in step 1) and obtainment of vinyl ethers; 3) fluorination with fluorine of the vinyl ethers and obtainment of fluorohalogenethers; and 4) dehydrohalogenation of the fluorohalogenethers and obtainment of the fluorovinylethers of formula (IV). The compounds of formula (IA) can be used, for example, in the preparation of various polymers, such as fluorinated elastomers and fluorinated thermoprocessable semicrystalline polymers.
摘要翻译: 一种制备具有以下通式的氟乙烯基醚的方法:RfO-CF-CF2(IA)其中Rf是氟化或全氟化的烷基或环烷基取代基; 包括以下反应步骤:1)次氟酸盐的反应; 2)步骤1)中获得的氟卤醚的脱卤或脱卤化氢,获得乙烯基醚; 3)用氟氟乙烯醚醚化并得到氟卤醚; 和4)氟卤醚的脱卤化氢和获得式(IV)的氟乙烯基醚。 式(IA)化合物可用于例如各种聚合物的制备,例如氟化弹性体和氟化热可加工半结晶聚合物。
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公开(公告)号:US20070203368A1
公开(公告)日:2007-08-30
申请号:US11636509
申请日:2006-12-11
IPC分类号: C07C41/22
CPC分类号: C07C41/06 , C07C17/04 , C07C17/23 , C07C17/25 , C07C41/24 , C07C19/12 , C07C19/14 , C07C21/18 , C07C43/123 , C07C43/17
摘要: A process for preparing perfluorovinylethers having general formula: RfO—CF═CF2 (IA) wherein Rf is a C1-C3 alkyl perfluorinated substituent; comprising the following steps:1a) fluorination with fluorine of olefins of formula: CY″Y═CY′Cl (II) wherein Y, Y′ and Y″, equal to or different from each other, are H, Cl, Br, with the proviso that Y, Y′ and Y″ are not contemporaneously hydrogen; and obtainment of fluorohalogencarbons of formula: FCY″Y—CY′ClF (III) wherein Y, Y′ and Y″ are as above; 2a) dehalogenation or dehydrohalogenation of the fluorohalogencarbons (III) and obtainment of fluorohalogen olefins of formula: FCYI═CYIIF (IV) wherein YI and YII, equal to or different from each other, have the meaning of H, Cl, Br with the proviso that YI and YII are not both H; 3a) reaction between a hypofluorite of formula RfOF and a fluorohalogenolefin (IV), obtaining the fluorohalogenethers of formula: RfO—CFYI—CF2YII (I) wherein YI, YII, equal to or different from each other, are Cl, Br, H with the proviso that YI and YII cannot be contemporaneously equal to H; 4a) dehalogenation or dehydrohalogenation of the compounds (I) and obtainment of the perfluorovinylethers (IA).
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公开(公告)号:US07795477B2
公开(公告)日:2010-09-14
申请号:US11636509
申请日:2006-12-11
IPC分类号: C07C41/22
CPC分类号: C07C41/06 , C07C17/04 , C07C17/23 , C07C17/25 , C07C41/24 , C07C19/12 , C07C19/14 , C07C21/18 , C07C43/123 , C07C43/17
摘要: A process for preparing perfluorovinylethers having general formula: RfO—CF═CF2 (IA) where Rf is a C1-C3 alkyl perfluorinated substituent, comprises the steps of: 1a) fluorinating olefins of formula: CY″Y═CY′Cl (II) where Y, Y′ and Y″, equal to or different from each other, are H, Cl, Br, and are not contemporaneously hydrogen; and obtaining fluorohalogencarbons of formula: FCY″Y—CY′ClF (III) where Y, Y′ and Y″ are as above; 2a) dehalogenating or dehydrohalogenating fluorohalogencarbons (III) and obtaining fluorohalogenolefins of formula: FCYI═CYIIF (IV) where YI and YII, equal to or different from each other, are H, Cl, Br and are not contemporaneously H; 3a) reacting a hypofluorite of formula RfOF and a fluorohalogenolefin (IV), and obtaining the fluorohalogenethers of formula: RfO—CFYI—CF2YII (I) where YI, YII, equal to or different from each other, are Cl, Br, H and are not be contemporaneously H; and 4a) dehalogenating or dehydrohalogenating compounds (I) and obtaining perfluorovinylethers (IA).
摘要翻译: 一种制备具有以下通式的全氟乙烯基醚的方法:RfO-CF = CF2(IA)其中Rf为C1-C3烷基全氟取代基,包括以下步骤:1a)氟化式:CY“Y = C''Cl(II) 其中Y,Y'和Y“彼此相同或不同,为H,Cl,Br,并非同时为氢; 并获得式:FCY“Y-CY'ClF(III)的氟代卤素,其中Y,Y'和Y”如上所述; 2a)脱卤或脱卤化氢氟代烃(III)并得到式(Ⅳ)的氟卤代烯烃,其中YI和YII彼此相同或不同,为H,Cl,Br,不同时为H; 3a)使式RfOF的次氟化物与氟代卤代烯烃(IV)反应,得到其中YI,YII彼此相同或不同的式RfO-CFYI-CF2YII(I)的氟代醚,为Cl,Br,H和 不是同时H 和4a)脱卤或脱卤化氢化合物(I)并获得全氟乙烯基醚(IA)。
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公开(公告)号:US06197903B1
公开(公告)日:2001-03-06
申请号:US09281913
申请日:1999-03-31
IPC分类号: C08F11418
CPC分类号: C08J3/091 , C08J2327/12
摘要: A process for preparing a solution and/or dispersion containing sulphonic (per)fluorinated ionomers having —SO3M functional groups, wherein M is selected from H, Li, Na, K, NR4 (R equal to or different from each other are selected from H, CH3, C2H5), characterized in that it dissolves the above defined ionomers at a temperature comprised between the room temperature and about 150° C., in a monophasic ternary mixture essentially constituted by water, by a C1-C4 alcohol and by a fluoro(poly)oxyalkylene having one hydrogen atom in at least a fluorinated end group; the dispersed polymer particle sizes are in the range 30-100 nm.
摘要翻译: 一种制备含有具有-SO 3 M官能团的磺酸(全)氟化离聚物的溶液和/或分散体的方法,其中M选自H,Li,Na,K,NR4(R彼此相同或不同)选自H ,CH 3,C 2 H 5),其特征在于其在室温至约150℃之间的温度下,以基本上由水构成的单相三元混合物,C1-C4醇和氟 在至少氟化端基中具有一个氢原子的(聚)氧化烯; 分散的聚合物粒径在30-100nm的范围内。
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