DECOR PAPER COMPRISING SELF-DISPERSING PIGMENTS
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United States of America Patent
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Sep 17, 2015
app pub date -
Oct 24, 2013
filing date -
Nov 13, 2012
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Abstract
The disclosure provides décor paper comprising a self-dispersing pigment having an isoelectric point of at least about 8, more typically about 8 to about 10, comprising an inorganic particle, pigment, having a silica treatment and an outermost treatment prepared by sequentially by (a) hydrolyzing an aluminum compound or basic aluminate to deposit a hydrous alumina surface; and (b) adding a dual-functional compound comprising: an anchoring group that attaches the dual-functional compound to the pigment surface, and a basic amine group comprising a primary, secondary or tertiary amine. Typically, the inorganic particle is titanium dioxide, TiO2. These décor papers comprising the self-dispersing pigments are useful in making paper laminates.
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