PAPER PRODUCT
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United States of America Patent
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N/A
Issued Date -
Feb 2, 2012
app pub date -
Apr 19, 2010
filing date -
Apr 20, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a supercalendered paper product comprising first cellu-losic fibres and a gypsum-fibre composite product as a filler pigment or coating pigment, wherein the gypsum in the gypsum-fibre composite product appears as crystals on the surface of the fibre, and wherein the gypsum crystals are obtained by contacting calcium sulphate hemihydrate and/or calcium sulphate anhydrite and an aqueous second fibre suspension. The invention also relates to a process for producing a supercalendered paper product.
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