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    • 61. 发明申请
    • CURING COMPOSITIONS FOR FLUOROPOLYMERS
    • 氟聚合物固化组合物
    • US20080262138A1
    • 2008-10-23
    • US12139181
    • 2008-06-13
    • Werner M.A. GrootaertEric W. AdairMiguel A. Guerra
    • Werner M.A. GrootaertEric W. AdairMiguel A. Guerra
    • C08K5/04C08G73/24
    • C08K5/19C08K5/50Y10T428/215C08L27/12
    • A curative composition comprising a cation and an anion of the formula Anq−Qpm+, wherein m, n, p, and q are positive integers, wherein m*p=n*q, wherein Qm+ is an organo onium, and Aq− is an anion, provided that at least one Aq− is selected from the formula: wherein each R independently is H, halo, alkyl, aryl, aralkyl, or cycloalkyl, and which also may be halogenated, fluorinated, or perfluorinated, wherein two or more of R and R′ groups may together form a ring, wherein each R group independently may contain one or more heteroatom(s), wherein R′ can be the same as R, with the proviso that R′ cannot be halo. Also provided are a fluoropolymer composition including this curative, a method of making a fluoropolymer, and fluoropolymer articles containing curable or cured fluoropolymer compositions.
    • 包含阳离子和式A的阴离子的固化剂组合物,其中m ,n,p和q是正整数,其中m * p = n * q,其中Q m +是有机鎓,A q - 是阴离子, 条件是从下式中选择至少一个A q - :其中每个R独立地是H,卤素,烷基,芳基,芳烷基或环烷基,并且也可以是卤化的,氟化的或全氟化的 其中R和R'基团中的两个或多个可以一起形成环,其中每个R基团可独立地含有一个或多个杂原子,其中R'可以与R相同,条件是R'不能为 光环。 还提供了包含该固化剂的含氟聚合物组合物,制备含氟聚合物的方法和含有可固化或固化的含氟聚合物组合物的含氟聚合物制品。
    • 66. 发明授权
    • Novel materials containing nitrogen
    • 含氮的新材料
    • US3965184A
    • 1976-06-22
    • US327839
    • 1973-01-30
    • Ronald Eric BanksRobert Neville Haszeldine
    • Ronald Eric BanksRobert Neville Haszeldine
    • C08K5/00C07C291/00C07D241/04C07D271/08C08G73/00C08G73/24C08K5/32C08K5/35C07C135/02
    • C08G73/24
    • Compositions of matter including the structural unit ##EQU1## wherein R.sub. F ' is a divalent polyfluoroalkylene group having a chain length of from 1 to 4 carbon atoms which may be substituted at one or more positions with chloro-or polyfluoroalkyl, chlorofluoroalkyl or polyfluorocycloalkyl groups containing up to six carbon atoms; and R.sub.F is a monovalent straight or branched chain, or cyclic, polyfluoroalkyl group or a chlorofluoroalkyl group containing up to ten carbon atoms and the R.sub.F groups are the same or different or is a divalent polyfluoroalkylene group having a chain length of from 1 to 4 carbon atoms which may be substituted at one or more positions with chloro or polyfluoroalkyl, chlorofluoroalkyl or polyfluorocycloalkyl groups containing up to six carbon atoms and the R.sub.F groups are interconnected to form a cyclic structure.
    • 包括结构单元的组合物-N-R'F -NO - | RFRF其中RF'是具有1至4个碳原子的链长的二价多氟亚烷基,其可以在一个或多个位置被取代, 含有至多6个碳原子的氯代或多氟烷基,氯氟烷基或多氟环烷基; RF是具有至多10个碳原子的一价直链或支链或环状多氟烷基或氯氟烷基,RF基团相同或不同,或为链长为1至4碳数的二价多氟亚烷基 可以在一个或多个位置被氯原子或多氟烷基取代的原子,氯氟烷基或含有至多六个碳原子的多氟环烷基,并且RF基团互连形成环状结构。
    • 67. 发明授权
    • Polyfluoropolymers
    • 聚氟乙烯
    • US3812206A
    • 1974-05-21
    • US32784073
    • 1973-01-30
    • SECR DEFENCE BRIT
    • BANKS RHASZELDING R
    • C08L27/12C08F8/30C08G73/24C08K5/17C08F29/16
    • C08G73/24C08F8/30C08F14/18
    • A PROCESS FOR CROSS-LINKING A POLYFLUOROPOLYMER CONTAINING PENDANT PERFLUOROVINYL GROUPS INCLUDING THE STEP OF TREATING THE POLYFLUOROPOLYMER WITH AN EFFECTIVE AMOUNT OF A CROSS-LINKING AGENT INCLUDING THE STRUCTURAL UNIT:

      -N(-RF)-R''F-N(-RF)-O-O-

      WHEREIN R''F IS A DIVALENT POLYFLUOROALKYLENE GROUP HAVING A CHAIN LENGTH OF FROM 1 TO 4 CARBON ATOMS WHICH MAY BE SUBSTITUTED AT ONE OR MORE POSITIONS WITH CHLORO- OR POLYFLUOROALKYL, CHLOROFLUOROALKYL OR POLYFLUOROCYCLOALKYL GROUPS CONTAINING UP TO SIX CARBON ATOMS, AND RF IS A MONOVALENT STRAIGHT OR BRANCHED CHAIN, OR CYCLIC, POLYFLUOROALKYL GROUP OR A CHLOROFLUOROALKYL GROUP CONTAINING UP TO TEN CARBON ATOMS AND THE RF GROUPS ARE THE SAME OR DIFFERENT OR IS A DIVALENT POLYFLUOROALKYLENE GROUP HAVING A CHAIN LENGTH OF FROM 1 TO 4 CARBON ATOMS WHICH MAY BE SUBSTITUTED AT ONE OR MORE POSITIONS WITH CHLORO- OR POLYFLUOROALKYL, CHLOROFLUOROALKYL OR POLYFLUOROCYCLOALKYL GROUPS CONTAINING UP TO SIX CARBON ATOMS AND THE RF GROUPS ARE INTERCONNECTED TO FORM A CYCLIC STRUCTURE.
    • 69. 发明授权
    • Cured nitrosofluorocarbon rubber
    • 固化硝基氟橡胶
    • US3725374A
    • 1973-04-03
    • US3725374D
    • 1970-10-30
    • THIOKOL CHEMICAL CORP
    • MAYES NGREEN JMICHAELS R
    • C08G73/24C08F3/24
    • C08G73/24
    • WHEREIN R is a -O-(lower alkyl) group of one to seven carbon atoms; p is from 1 to 6; T is a halogen, a perhaloalkyl, -NO, and -NO2; and the ratio m : n is from 0 : 1 to 50 : 1, preferrably n can be from 0.1 percent to 10 percent of the units in the polymer. The polymers are cured with such curing agents as an epoxide, a metal oxide, and chromium perfluoroacetate to produce rubbers having good physical properties and chemical resistance. Thus, liquid and solid polymers are provided as well as elastomers derived therefrom.

      OR

      A cured, nitroso polymer has been provided by curing polymers obtained by polymerizing monomers which have pendant groups convertible to pendant moieties which are crosslinkable. Some of these monomers with the crosslinkable, pendant groups cannot be introduced into the polymer directly. The polymers with the pendant groups are derived from monomers forming recurring units as represented by the general formulas:
    • 已经通过固化聚合获得的聚合物来提供固化的亚硝基聚合物,该单体具有可转变成可交联的侧基的侧基的单体。 这些具有可交联侧基的单体中的一些不能直接引入聚合物。 具有侧基的聚合物衍生自形成由通式表示的重复单元的单体: