Use of serpentinite as an additive

D - Textiles – Paper – 21 – H

Patent

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9/65

D21H 23/00 (2006.01)

Patent

CA 1228703

THE USE OF SERPENTINITE AS AN ADDITIVE ABSTRACT The invention relates to the use of finely powdered serpentinite, the effective ingredient whereof is serpentine {(OH)4Mg3 (Si2O5)}, as an additive in paper industry. According to the invention, serpentinite is suited to be used as a filler in paper or board or as a remover of pitches, resins, extractives and other so-called stickies and as a collector of fines.

451648

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