COATINGS USING CLAYS WITH LOW PACKING DENSITY
Paper and paperboard coatings are disclosed using a modified clay which is characterized by an average shape factor less than 60, a sediment void volume greater than 48%, and containing less than 30% by mass of particles less than 1 micron in diameter.
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | Paper and paperboard coatings are disclosed using a modified clay which is characterized by an average shape factor less than 60, a sediment void volume greater than 48%, and containing less than 30% by mass of particles less than 1 micron in diameter. |
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