Production of filled paper and compositions for use in this

Details Production of filled paper and compositions for use in this Production of filled paper and compositions for use in this

D - Textiles, Paper

21

H

D21H 17/64 (2006.01) D21H 21/10 (2006.01) D21H 23/76 (2006.01) D21H 17/29 (2006.01) D21H 17/37 (2006.01) D21H 17/45 (2006.01) D21H 17/53 (2006.01) D21H 17/55 (2006.01) D21H 17/56 (2006.01) D21H 17/67 (2006.01)

Patent

CA 2180371

Filled paper is made by adding a cationising amount of cationic polymer to a slurry of precipitated calcium carbonate, mixing this slurry into a cellulosic suspension and forming a thin stock, mixing a polymeric retention aid into the thin stock which includes the precipitated calcium carbonate draining the thin stock on a screen to form a sheet and drying the sheet.

Préparation de papier chargé, consistant à ajouter une quantité cationisée d'un polymère cationique à une suspension épaisse de carbonate de calcium précipité, à ajouter cette suspension à une suspension cellulosique pour former une pâte légère, à mélanger un auxiliaire de rétention polymérique à cette pâte, laquelle renferme le carbonate de calcium précipité, à égoutter la pâte sur un tamis pour former la feuille et à sécher celle-ci.

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