Coarse pigment addition and high solids slurries for higher coating colour concentrations
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United States of America Patent
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Dec 12, 2017
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N/A
app pub date -
Jan 9, 2017
filing date -
Sep 21, 2009
priority date (Note) -
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Abstract
The present invention relates to an aqueous slurry comprising natural ground calcium carbonate which has a percentage P5 by weight of particles having a diameter of less than 5.0 μm of from 98.5% to 90%, a percentage P2 by weight of particles having a diameter of less than 2.0 μm of from 96% to 80%, wherein the ratio of P2/P5 is from 0.98 to 0.85, and wherein the slurry has a solids content of more than 78 wt %.
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International Classification(s)
- C09J:ADHESIVES; ADHESIVE PROCESSES IN GENERAL
- C04B:LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREO....
- C09D:COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQ....
- C09C:TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBRO....
- D21H:PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED....
- C01F:COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUM....
- C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....
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