Exfoliate structured zirconium phosphate, precursors of said phosphate, method for the production and use thereof in macromolecular-material-based compositions
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United States of America Patent
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Issued Date -
Jul 13, 2006
app pub date -
Dec 17, 2003
filing date -
Dec 20, 2002
priority date (Note) -
Abandoned
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Abstract
The invention relates to an exfoliate structured zirconium phosphate characterized in that it is embodied in the form of a gel containing a maximum 1000 ppm organic compounds or a gel devoid of organic compounds which are chemically linked to phosphate. Said phosphate is obtained by a method wherein an aqueous dispersion is formed from a crystallized zirconium phosphate; a quantity of sodium compound is added to said dispersion whereby the NA/P ratio is more than 0.5; an acid is added in order to obtain a gel or a solid compound which is placed once more in water and which results in a gel; the phosphate can be used in the preparation of macromolecular-material-based compositions in order to improve the properties thereof.
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