Precipitated calcium carbonate pigment, especially for use in inkjet printing paper coatings
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United States of America Patent
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Nov 11, 2014
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Mar 29, 2006
filing date -
Apr 11, 2005
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Abstract
Novel and innovative PCC pigments, having a reduced production cost, able to be used in a paper coating formulations to manufacture coated high-quality matt papers, in particular for inkjet applications. Process for the preparation of same, using a reduced flow rate of a carbon dioxide-containing gas in the PCC carbonation step, which produces stable, porous, agglomerates of PCC featuring unique properties and structure, this step being followed by an upconcentration step to increase the solids content.
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