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FLAME RETARDANT POLYURETHANES AND POLYISOCYANURATES, AND ADDITIVES THEREFOR

  • US 20030153656A1
  • Filed: 01/11/2002
  • Published: 08/14/2003
  • Est. Priority Date: 01/11/2002
  • Status: Abandoned Application
First Claim
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1. A free-flowing non-viscous liquid flame retardant composition comprised of or formed by mixing together components comprised of:

  • A) tetrabromobisphenol-A;

    B) at least one liquid ester of a pentavalent acid of phosphorus; and

    C) at least one additional organic halogen-containing reactive flame retardant where the halogen is chlorine or bromine or both;

    in proportions such that the composition has a Brookfield viscosity at 25°

    C. of about 5000 centipoises (cP) or less.

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