Method of producing fluffed pulp

Details Method of producing fluffed pulp Method of producing fluffed pulp

1976-02-20

1977-12-27

Fisher, Richard V.

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Simultaneous mechanical defibration and chemical treatment

162 71, 162100, 162150, 241 28, D21B 106, D21F 1114

Patent

active

040653471

ABSTRACT:
The present invention relates to fluffed pulp comprising unwashed mechanical pulp with a liquid-diffusing capacity of at least 3.5 grams liquid per gram pulp per minute, a bulk of at least 18 cm.sup.3 /gram and a volume weight in blocks or bales of at most 0.8 grams/cm.sup.3. The invention also comprises a method of producing such a fluffed pulp by means of defibrating the wood and thereafter drying the same with warm air to a dry content of 80-95% by weight without subjecting the pulp to any mechanical compression.

REFERENCES:
patent: 3023140 (1962-02-01), Textor
patent: 3492199 (1970-01-01), Kindron et al.
patent: 3556931 (1971-01-01), Champaigne
patent: 3617439 (1971-11-01), Chapman, Jr.
patent: 3627630 (1971-12-01), Gagnon

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