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Anti-bacterial metallo ionomer polymer nanocomposite filaments and methods of making the same

  • US 10,405,540 B2
  • Filed: 07/06/2016
  • Issued: 09/10/2019
  • Est. Priority Date: 07/06/2016
  • Status: Active Grant
First Claim
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1. A composite filament comprising:

  • a core particle comprising a styrene/acrylate polymer resin and optionally a first metal ion acrylate monomer, wherein the styrene/acrylate polymer resin comprises a copolymer of styrene monomer, acrylate monomer, or mixtures thereof; and

    a shell comprising a styrene/acrylate ionomer resin, wherein the styrene/acrylate ionomer resin comprises a copolymer of styrene monomer, acrylate monomer, or mixtures thereof, further wherein the styrene/acrylate ionomer resin comprises a second metal ion acrylate monomer;

    wherein a total amount of metal presented in the composite filament ranges in a concentration of from about 0.5 ppm to about 50,000 ppm; and

    further wherein the composite filament has a diameter of from about 0.5 mm to about 5 mm.

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