Process for the production of partially polymerized antimicrobial silanol quaternary ammonium compounds

  • US 10,010,080 B2
  • Filed: 09/14/2015
  • Issued: 07/03/2018
  • Est. Priority Date: 09/14/2015
  • Status: Active Grant
First Claim
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1. A process to partially polymerize aqueous solutions of silanol quaternary ammonium compounds (SQACs) whereby substantially all the residual excess chlorosilanol monomer has polymerized to form a copolymer with the SQAC, and retard or stop the aqueous solution from further polymerization, further viscosity increases, and/or precipitation, the process comprising:

  • preparing a mixture of anhydrous, concentrated SQAC (68 to 72% in methanol) with one or more renewable, naturally derived, antimicrobial, phytochemical essential oil or extract, then diluting the mixture to between 5%-12% of active SQAC with demineralized water to produce a crystal clear, stable microemulsion, that is then partially polymerized to a point whereby the residual excess chlorosilanol monomer has polymerized to form a copolymer with the SQAC, the stabilized, partially polymerized microemulsion is then further diluted to 5% or less active SQAC with demineralized water to form a water stable, crystal clear microemulsion with a stable viscosity and clarity for greater than 6 months.

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