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    • 6. 发明申请
    • CURE SYSTEM FOR FLUOROELASTOMER GUM
    • 氟橡胶凝胶固化体系
    • WO2010080309A2
    • 2010-07-15
    • PCT/US2009/067255
    • 2009-12-09
    • 3M INNOVATIVE PROPERTIES COMPANYGROOTAERT, Werner M.A.,
    • GROOTAERT, Werner M.A.,
    • C08L27/12C08K5/04C08L71/00
    • C08G65/007C08G2650/48C08K5/04C08K5/138C08K5/37C08L27/12C08L71/02C08L2205/05C08L2666/04
    • There is provided a curable fluoropolymer composition comprising an amorphous perfluoropolymer, a nucleophile selected from alkoxides, thiolates, and combinations thereof, and an adjuvant selected from dipolar aprotic solvents, or crown ethers, and combinations thereof, where the amorphous perfluoropolymer comprises at least one cure site selected from a CF 2 I cure site, a CF 2 Br cure site, a CF 2 Cl cure site, and combinations thereof. There is also provided a cured fluoroelastomer comprising crosslink units represented by the formula E-CF 2 -A-Q-(A-CF 2 E) n , where E is a fluoroelastomer backbone, A is selected from O or S, Q is a multivalent organic linking group, and n is an integer of at least one, or the formula E-Q-CF 2 -CF 2 -Q-E, where E is a fluoroelastomer backbone, Q is a divalent organic linking group, and n is an integer. Articles derived from the cured fluoroelastomer and processes for making the composition and the cured fluoroelastomer are also provided.
    • 提供了一种可固化含氟聚合物组合物,其包含无定形全氟聚合物,选自醇盐,硫醇盐及其组合的亲核试剂,以及选自偶极非质子溶剂或冠醚的佐剂及其组合,其中无定形全氟聚合物包含至少一种固化 选自CF2I固化位点,CF2Br固化位点,CF2Cl固化位点及其组合。 还提供了含有由式E-CF2-AQ-(A-CF2E)n表示的交联单元的固化的含氟弹性体,其中E是含氟弹性体骨架,A选自O或S,Q是多价有机连接基团, 且n为至少一个的整数,或式EQ-CF2-CF2-QE,其中E为含氟弹性体主链,Q为二价有机连接基团,n为整数。 还提供了衍生自固化的含氟弹性体的制品和用于制备组合物和固化的含氟弹性体的方法。