Method for producing low fines content pulp by subjecting cellul

Details Method for producing low fines content pulp by subjecting cellul Method for producing low fines content pulp by subjecting cellul

1987-05-27

1990-01-30

Alvo, Steve

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Continuous chemical treatment or continuous charging or...

162 19, 162 26, 162 28, 162 83, 162 86, D21B 116, D21C 326, D21C 910

Patent

active

048971553

ABSTRACT:
A method for producing low fines content pulp having successive treatment stages in each of which compressive and shearing forces are applied to the cellulosic fiber while simultaneously one or more chemicals are added. Gradual breakdown of the fibers is achieved with resulting low fines production whereby the pulp may be used for tissue, fluff and towel products.

REFERENCES:
patent: 2673690 (1954-03-01), Segl
patent: 4088528 (1978-05-01), Berger et al.
patent: 4160693 (1979-07-01), Lindahl et al.
patent: 4214947 (1980-07-01), Berger
patent: 4294653 (1981-10-01), Lindahl et al.
patent: 4554051 (1985-11-01), Danfonth
patent: 4692210 (1987-09-01), Forrester
Collicutt et al., "Developments in Mechanical Pulping", TAPPI, Jun. 1981, vol. 64, No. 6.

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