Process for the manufacture of grades cfs#3, cfs#4 and cgw#4...

Details Process for the manufacture of grades cfs#3, cfs#4 and cgw#4... Process for the manufacture of grades cfs#3, cfs#4 and cgw#4...

D - Textiles, Paper

21

H

D21H 11/10 (2006.01) D21H 19/72 (2006.01)

Patent

CA 2377775

Avec les technologies actuelles, la fabrication de ces grades de papier nécessite l'utilisation de pâte mécanique et de pâte Kraft dans une proportion variant de 40 % à 90 % en contenu en pâte Kraft. La pâte Kraft est une pâte dont te coût unitaire est le double de la pâte de mécanique et/ou la pâte thermomécanique « pâte TMP ». L'invention permet de remplacer la pâte mécanique par une pâte PTM et de diminuer ainsi le contenu en pâte Kraft à plus ou moins 20

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