Bleaching of substrates

Bleaching of substrates

  • CN 102,946,999 A
  • Filed: 04/15/2011
  • Published: 02/27/2013
  • Est. Priority Date: 04/16/2010
  • Status: Active Application
First Claim
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1. process the method for matrix, may further comprise the steps:

  • the aqueous medium of this matrix with the hydrogen peroxide that contains at least 1% water and 1-1500mM contacted, to form oxide isolation, this aqueous medium comprises transition-metal catalyst, wherein this transition-metal catalyst is prefabricated and is (dinuclear) Mn (II) Mn (II) of double-core, Mn (II) Mn (III), Mn (III) Mn (III), Mn (III) Mn (IV) or Mn (IV) Mn (IV) transition-metal catalyst, the part of this transition-metal catalyst of formula (I);

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