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Method of dissociating an organoborane-amine complex

  • US 8,647,716 B2
  • Filed: 06/24/2010
  • Issued: 02/11/2014
  • Est. Priority Date: 06/26/2009
  • Status: Active Grant
First Claim
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1. A method of forming a coating composition, said method comprising the steps of:

  • A. introducing an organoborane-amine complex, a radical polymerizable compound, and optionally an amine onto a substrate to form a coating composition;

    B. introducing carbon dioxide into the coating composition in a molar ratio of at least 1;

    1 of the carbon dioxide to free amine groups present in the coating composition;

    C. reacting the carbon dioxide and the free amine groups to form a carbamic zwitterion in-situ and to dissociate the organoborane-amine complex thereby forming a radical; and

    D. polymerizing the radical polymerizable compound using the radical.

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