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Polymers with new sequence distributions

  • US 20060079655A1
  • Filed: 12/19/2003
  • Published: 04/13/2006
  • Est. Priority Date: 12/20/2002
  • Status: Active Grant
First Claim
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1. A copolymer comprising an isoolefin and an alkylstyrene, the copolymer having a copolymer sequence distribution defined by:


  • F=1−

    {mA/(1+mA)}wherein m is the copolymer sequence distribution parameter;

    A is the molar ratio of alkylstyrene to isoolefin in the copolymer; and

    F is the alkylstyrene-isoolefin-alkylstyrene triad fraction in the copolymer;

    wherein m is from less than 38;

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