Pigment mixture comprising kaolin and titania for use in paper-making

Pigment mixture comprising kaolin and titania for use in paper-making

  • CN 101,120,058 A
  • Filed: 01/17/2006
  • Published: 02/06/2008
  • Est. Priority Date: 01/14/2005
  • Status: Active Grant
First Claim
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1. heated mixt, it comprises(a) high refractive index pigment and(b) dehydrated kaolin, wherein when described dehydrated kaolin contains metakaolin, described heated mixt has and is higher than about 86% GE brightness and less than about 11 Hunter yellowness index, when described dehydrated kaolin contained complete calcined kaolin, described heated mixt had and is higher than about 89% GE brightness and less than about 7 Hunter yellowness index.

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