-
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。
-
公开(公告)号：US06706834B2
公开(公告)日：2004-03-16
申请号：US09922741
申请日：2001-08-07
申请人： Ivan Wlassics , Vito Tortelli
发明人： Ivan Wlassics , Vito Tortelli
IPC分类号： C08F11418
CPC分类号： H01M8/1053 , C08F8/18 , C08F214/26 , C08F214/265 , C08J5/2237 , C08J2327/18 , H01M8/1023 , H01M8/1025 , H01M8/1039 , H01M8/106 , H01M8/1072 , H01M8/1088 , H01M2300/0082 , Y02P70/56
摘要： Sulphonic fluorinated ionomers crosslinked by radical crosslinking of: A) crosslinkable sulphonic fluorinated ionomers, having equivalent weight 380-1300 g/eq and comprising: from 48% to 85% by moles of monomeric units deriving from tetrafluoroethylene (TFE); from 15% to 47% by moles of fluorinated monomeric units containing sulphonyl groups —SO2F; from 0.01% to 5% by moles of monomeric units deriving from a bis-olefin of formula: wherein: m=2-10, preferably 4-8; R1, R2, R5, R6, equal to or different from each other, are H or C1-C5 alkyl groups; B) a fluorinated compound as crosslinking radical initiator; C) a fluorinated bis-olefin of structure (I) as crosslinking agent; the radical crosslinking being carried out at a temperature in the range 250° C.-310° C., preferably 260° C.-300° C.
摘要翻译： 通过自由基交联交联的磺化氟化离聚物：A）具有当量重量380-1300g / eq的可交联磺化氟化离聚物，并且包含：衍生自四氟乙烯（TFE）的48％至85％摩尔的单体单元; 15％至 含有磺酰基-SO2F的氟化单体单元47％ 衍生自下式的双烯烃的单体单元的0.01％至5％摩尔：其中：m = 2-10，优选4-8; R 1，R 2，R 5，R 6等于或不同的是H或C 1 -C 5烷基; B）作为交联自由基引发剂的氟化化合物; C）结构（I）的氟化双烯烃作为交联剂 自由基交联在250℃-310℃，优选260℃-300℃的温度下进行。
-
公开(公告)号：US08933268B2
公开(公告)日：2015-01-13
申请号：US13883182
申请日：2011-10-28
申请人： Vito Tortelli , Cristiano Monzani , Ivan Wlassics
发明人： Vito Tortelli , Cristiano Monzani , Ivan Wlassics
CPC分类号： C07C51/41 , C07C51/00 , C07C51/02 , C07C51/412 , C07C53/18
摘要： A process is provided for the preparation of difluoroacetic acid from tetrafluoroethylene. The process comprises reacting tetrafluoroethylene with an aqueous solution of an inorganic base, optionally in the presence of an organic solvent.
摘要翻译： 提供了从四氟乙烯制备二氟乙酸的方法。 该方法包括任选地在有机溶剂存在下使四氟乙烯与无机碱的水溶液反应。
-
公开(公告)号：US08703889B2
公开(公告)日：2014-04-22
申请号：US13002781
申请日：2009-07-06
IPC分类号： C08F14/26
CPC分类号： C07D317/34 , C07D317/42 , C08F14/18 , C08F114/26 , C08F2/24
摘要： A method for making a fluoropolymer comprising an aqueous emulsion polymerization of one or more fluorinated monomers wherein the aqueous emulsion polymerization is carried out in the presence of at least one cyclic fluorocompound of the following formula (I): wherein X1, X2, X3, equal to or different from each other are independently selected among H, F, and C1-6 (per)fluoroalkyl groups, optionally comprising one or more catenary or non-catenary oxygen atoms; L represents a bond or a divalent group; RF is a divalent fluorinated C1-3 bridging group; Y is a hydrophilic function selected among anionic functionalities, cationic functionalities and non-ionic functionalities.
摘要翻译： 一种制备含氟聚合物的方法，其包含一种或多种氟化单体的水乳液聚合，其中所述水乳液聚合在至少一种下式（I）的环状氟化合物的存在下进行：其中X1，X2，X3等于 彼此独立地选自H，F和C 1-6（全）氟烷基，任选地包含一个或多个悬链或非链状氧原子; L表示键或二价基团; RF是二价氟化C1-3桥联基团; Y是选自阴离子官能团，阳离子官能团和非离子官能团的亲水性功能。
-
公开(公告)号：US5948868A
公开(公告)日：1999-09-07
申请号：US733936
申请日：1996-10-18
CPC分类号： C08K5/14
摘要： Curing system for fluoroelastomers curable by peroxidic route which comprise iodine comprising as curing agent a bis-olefin having general formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, equal to or different from each other, are H or alkyl C.sub.1 -C.sub.5 ; Z is a linear or branched alkylenic or cycloalkylenic radical C.sub.1 -C.sub.18, optionally containing oxygen atoms, preferably at least partially fluorinated, or a (per)fluoropolyoxyalkylenic radical.
摘要翻译： 含有可通过过氧化途径固化的含氟弹性体的固化体系，其包含含有作为固化剂的碘的含有通式的双烯烃，其中R 1，R 2，R 3，R 4，R 5，R 6彼此相同或不同，为H或C 1 -C 5烷基 ; Z是任选地含有氧原子，优选至少部分氟化的或（全）氟聚氧亚烷基的直链或支链亚烷基或环烷基基团C1-C18。
-
公开(公告)号：US5902857A
公开(公告)日：1999-05-11
申请号：US733938
申请日：1996-10-18
IPC分类号： C09K3/10 , C08F8/00 , C08K5/00 , C08K5/01 , C08K5/02 , C08K5/04 , C08K5/14 , C08K5/49 , C08K5/54 , C08K5/56 , C08K5/57 , C08L27/12
CPC分类号： C08K5/54 , C08K5/0025 , C08K5/14 , C08K5/57
摘要： Curing systems for fluoroelastomers curable by peroxidic route which comprise bromine, optionally iodine, the bromine always being higher than iodine, comprising as essential elements:(I) a curing agent comprising a bis-olefin having general formula: ##STR1## wherein: R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, equal to or different from each other, are H or alkyl C.sub.1 -C.sub.5 ; Z is a linear or branched alkylenic or cycloalkylenic radical C.sub.1 -C.sub.18, optionally containing oxygen atoms, or a (per)fluoropolyoxyalkylenic radical.(II) a metallorganic hydride of formula: ##STR2## wherein: M is selected from Sn, Si, Ge, Pb; x is an integer from 1 to 3; y, z are zero or integers from 1 to 3, with the proviso y+z=4-x; w is an integer from 1 to 3; the R groups, equal to or different from each other, are selected from: alkyls C.sub.1 -C.sub.4, aryls C.sub.6 -C.sub.12, arylalkyls and alkylaryls C.sub.7 -C.sub.14, optionally containing nitrile and/or hydroxyl groups.
摘要翻译： 包含溴，任选碘，总是高于碘的溴可以固化的含氟弹性体的固化体系包含作为必需元素：（I）包含具有以下通式的双烯烃的固化剂：其中：R1，R2，R3 相同或不同的R 4，R 5，R 6为H或C 1 -C 5烷基; Z是任选含有氧原子的直链或支链亚烷基或环烷基C1-C18，或（全）氟聚氧亚烷基。 （II）下式的金属有机氢化物：其中：M选自Sn，Si，Ge，Pb; x是1至3的整数; y，z为零或1至3的整数，条件是y + z = 4-x; w为1〜3的整数; R基彼此相同或不同，选自烷基C1-C4，芳基C6-C12，芳基烷基和烷基芳基C7-C14，任选地含有腈和/或羟基。
-
公开(公告)号：US09458307B2
公开(公告)日：2016-10-04
申请号：US13517239
申请日：2010-12-16
IPC分类号： C08K5/02 , C08K5/01 , C08K5/00 , C08K5/5475
CPC分类号： C08K5/01 , C08K5/0025 , C08K5/02 , C08K5/5475
摘要： The invention relates to the use of 1,5-enediyne compounds of formula (I) as curing agents in polymeric systems. In particular the invention relates to a curable composition comprising a curing agent of formula (I) and a polymer suitable to be cross-linked and to the cured article obtained therefrom.
-
公开(公告)号：US20060252968A1
公开(公告)日：2006-11-09
申请号：US11417159
申请日：2006-05-04
申请人： Ivan Wlassics , Vito Tortelli
发明人： Ivan Wlassics , Vito Tortelli
IPC分类号： C07C41/24
CPC分类号： C07C17/23 , C07C41/24 , C07C41/48 , C07C43/17 , C07D317/42 , C07C21/20 , C07C43/313
摘要： A process for obtaining vinyl compounds by dehalogenation of halofluorinated compounds having a linear, branched or cyclic structure, said halofluorinated compounds containing in the molecule at least one group: wherein Y1 and Y2, equal to or different from each other, are selected from Cl, Br, I; wherein the halofluorinated compounds are dehalogenated in the presence of a transition metal, or of transition metal couples, by operating in a biphasic system of solvents immiscible among each other, formed of a (per)fluorinated solvent and a dipolar aprotic or protic solvent (co-solvent), wherein the ratio moles co-solvent/equivalents of the halofluorinated compound ranges from 0.5 to 10, preferably from 0.5 to 5, still more preferably from 1 to 3.
摘要翻译： 一种通过使具有直链，支链或环状结构的卤代氟化化合物脱卤获得乙烯基化合物的方法，所述卤代氟化物在分子中含有至少一个基团：其中Y 1和Y 2， 彼此相同或不同，选自Cl，Br，I; 其中所述卤代氟化合物在过渡金属或过渡金属偶存在下通过在彼此不混溶的溶剂的双相体系中操作而脱卤，由（一个）氟化溶剂和偶极非质子或质子溶剂（共 - 溶剂），其中所述卤化氟化合物的共溶剂/当量的摩尔比为0.5至10，优选0.5至5，还更优选1至3。
-
公开(公告)号：US06979699B2
公开(公告)日：2005-12-27
申请号：US10768690
申请日：2004-02-02
申请人： Ivan Wlassics , Vito Tortelli
发明人： Ivan Wlassics , Vito Tortelli
CPC分类号： H01M8/1053 , C08F8/18 , C08F214/26 , C08F214/265 , C08J5/2237 , C08J2327/18 , H01M8/1023 , H01M8/1025 , H01M8/1039 , H01M8/106 , H01M8/1072 , H01M8/1088 , H01M2300/0082 , Y02P70/56
摘要： Sulphonic fluorinated ionomers crosslinked by radical crosslinking of: A) crosslinkable sulphonic fluorinated ionomers, having equivalent weight 380-1300 g/eq and comprising: from 48% to 85% by moles of monomeric units deriving from tetrafluoroethylene (TFE); from 15% to 47% by moles of fluorinated monomeric units containing sulphonyl groups —SO2F; from 0.01% to 5% by moles of monomeric units deriving from a bis-olefin of formula: wherein: m=2-10, preferably 4-8; R1, R2, R5, R6, equal to or different from each other, are H or C1-C5 alkyl groups; B) a fluorinated compound as crosslinking radical initiator; C) a fluorinated bis-olefin of structure (I) as crosslinking agent; the radical crosslinking being carried out at a temperature in the range 250° C.-310° C., preferably 260° C.-300° C.
摘要翻译： 通过自由基交联交联的磺化氟化离聚物：A）具有当量重量380-1300g / eq的可交联磺化氟化离聚物，并且包含：衍生自四氟乙烯（TFE）的48％至85％摩尔的单体单元; 含有磺酰基-SO 2 F的氟化单体单元的15％至47％ 衍生自下式的双烯烃的单体单元的0.01％至5％摩尔：其中：m = 2-10，优选4-8; R 1，R 2，R 5，R 6，彼此相同或不同，为H 或C 1 -C 5烷基; B）作为交联自由基引发剂的氟化化合物; C）结构（I）的氟化双烯烃作为交联剂; 自由基交联在250℃-310℃，优选260℃-300℃的温度下进行。
-
公开(公告)号：US5656697A
公开(公告)日：1997-08-12
申请号：US691379
申请日：1996-08-02
申请人： Ivan Wlassics , Enzo Giannetti
发明人： Ivan Wlassics , Enzo Giannetti
IPC分类号： C07F7/08 , C07F7/10 , C07F7/22 , C07F7/24 , C07F7/30 , C08K3/12 , C08K3/22 , C08K5/14 , C08K5/54 , C08K5/57 , C08L27/10 , C08F8/00
CPC分类号： C08K5/5403 , C08K5/14 , C08K5/57
摘要： Peroxide-curable fluoroelastomeric compositions, consisting of a fluoroelastomer containing bromine, an organic peroxide and a metal-organic hydride having the formula: ##STR1## wherein M is selected from Sn, Si, Ge, Pb; x is an integer from 1 to 3; y, z are zero or integers from 1 to 3, with the proviso y+z=4-x; w is an integer from 1 to 3; the R groups, equal to or different from each other, are selected from: alkyls C.sub.1 -C.sub.4, aryls C.sub.6 -C.sub.12, arylalkyls and alkylaryls C.sub.7 -C.sub.14, optionally containing nitrile and/or hydroxyl groups. The hydride addition allows to increase the curing rate, obtaining at the same time a high crosslinking degree.
摘要翻译： 由含溴的含氟弹性体，有机过氧化物和具有下式的金属有机氢化物组成的过氧化物固化的含氟弹性体组合物：其中M选自Sn，Si，Ge，Pb; x是1至3的整数; y，z为零或1至3的整数，条件是y + z = 4-x; w为1〜3的整数; R基彼此相同或不同，选自烷基C1-C4，芳基C6-C12，芳基烷基和烷基芳基C7-C14，任选地含有腈和/或羟基。 氢化物添加可以提高固化速度，同时获得高交联度。
-
-
-
-
-
-
-
-
-
搜索结果
28 条记录 (耗时 0.146 秒)
