D - Textiles – Paper – 21 – B
Patent
D - Textiles, Paper
21
B
92/55
D21B 1/16 (2006.01) D21B 1/24 (2006.01)
Patent
CA 1120301
ABSTRACT OF THE DISCLOSURE : A method for improving the properties of a paper pulp stock manufactured by comminuting wood material mechanically and for increasing the retention grade of the filler material in the pulp with the purpose of improving without a chemical reaction the optical and printing properties of the paper made from the said pulp which pulp is made by defibrating wood, characterized in that filler materials are added to and mixed with the fibrous material in the defiberizing machine, during the defibration process in such a process phase, when the ligning or equivalent bound to the fibers, as a result of the high temperature generated during the defibration process is soft plasticized and sticky and is able in enhanced manner to make the filler material particles adhere to the surface of the fibers.
337933
Robic Robic & Associes/associates
Valmet Oy
LandOfFree
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