Flame-proof thermoplastic polyurethane comprising coated metal hydroxides, phosphonium flame retardant and/or hydrotalcite and/or phyllosilicate

Flame-proof thermoplastic polyurethane comprising coated metal hydroxides, phosphonium flame retardant and/or hydrotalcite and/or phyllosilicate

  • CN 104,159,974 B
  • Filed: 03/12/2013
  • Issued: 07/09/2019
  • Est. Priority Date: 03/13/2012
  • Status: Active Grant
First Claim
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1. a kind of method for the hydrolytic resistance and ageing resistance for improving flame-proof thermoplastic polyurethane, the flame-proof thermoplastic polyurethaneComprising metal hydroxides as fire retardant, and the flame-proof thermoplastic polyurethane is based at least one diisocyanate and extremelyFew a kind of pair of isocyanates have reactive substance and optionally at least a kind of catalyst and optionally additive and/orAuxiliary agent,The flame-proof thermoplastic polyurethane further includes at least one phosphonium flame retardant as other fire retardant, the phosphor-containing flame-proofAgent is the derivative of phosphoric acid, phosphonic acids and/or phosphinic acids, and the flame-proof thermoplastic polyurethane further includes hydrotalcite and/or pageSilicate,Wherein the method includes surrounding the metal hydroxides at least partially by coating, and surround metal hydroxidesCoating is based on organic silane compound.

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