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    • 8. 发明公开
    • CROSSLINKED POLYSULFIDE-CONTAINING CYCLOALIPHATIC COMPOUND
    • 联网聚硫含脂环族CONNECTION
    • EP2342263A1
    • 2011-07-13
    • EP09752035.7
    • 2009-10-30
    • Momentive Performance Materials Inc.
    • CRUSE, Richard, W.YORK, William, MichaelRECKER, CarlaKRAMER, ThomasHERZOG, Katharina
    • C08G75/00
    • C08G75/14Y10T428/139
    • A crosslinked polysulfide-containing cycloaliphatic compound, useful as a crosslinker for filled sulfur-vulcanizable elastomer compositions, is represented by the general formula: [(C
      a H
      2a -)
      m G
      1 (-C
      b H
      2b S
      x -)
      n-m and C
      c H
      2c -G
      2 - C
      d H
      2d S
      y - ]
      p [R]q wherein G
      1 is a saturated, monocyclic aliphatic group of valence n containing from 5 to 12 carbon atoms and optionally containing at least one halogen or a saturated monocyclic silicone [RSiO-]
      n [R
      2 SiO-]
      r group of valence n; G
      2 is a saturated, divalent cyclic aliphatic group of valence 2 containing from S to 12 carbon atoms and optionally containing at least one halogen or a saturated monocyclic silicone [RSiO-]
      n [R
      2 SiO-]
      r group of valence n;; each R independently is a selected from the group consisting of a hydrogen atom, monovalent hydrocarbon of up to 20 carbon atoms and a halogen atom; each occurrence of subscripts a, b, c, d, m, n, o, p, q, x and y independently is an integer wherein a is 2 to 6; b is 2 to 6; c is 1 to 6; d is 1 to 6; m is 1 or 2; n is 3 to 5; o is a positive integer, p is 0 or a positive integer; q is a positive integer; r is an integer of from 0 to 3; x is 1 to 10 and y is 1 to 10, with the provisos that, (i) at least one x is 2 to 10; (ii) the ratio of p to o is less than 1 to 5; and q is equal to the sum of unfilled valences of the (C
      a H
      2a -)
      m G
      1 (-C
      b H
      2b S
      x -)
      n-m and C
      c H
      2c -G
      2 - C
      d H
      2d S
      y - groups.