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Adhesive beads

  • US 9,657,205 B2
  • Filed: 02/03/2014
  • Issued: 05/23/2017
  • Est. Priority Date: 02/01/2013
  • Status: Active Grant
First Claim
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1. A bead comprising a shell and core whereinthe core comprises one or more cyanoacrylate monomers and an acid, wherein the acid comprises a mineral acid, a sulfonimide, an alkyl carboxylic acid, an aryl carboxylic acid, a perfluorocarboxylic acid, a halogenated phenol, a perfluoroalcohol, RSO3H, or (R′

  • SO2)2NH;

    where R and R′

    are independently selected from the group consisting of alkyl, alkenyl, aryl, heteroaryl, perfluoroalkyl, and perfluoroarylakyl, andthe shell comprises a polycyanoacrylate of the same one more cyanoacrylate monomers, wherein the one or more cyanoacrylate monomers are selected from methyl cyanoacrylate, ethyl cyanoacrylate, butyl cyanoacrylate, octyl cyanoacrylate, beta-methoxyethyl cyanoacrylate, or a mixture of any two or more thereof.

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