Phenolic compounds as viscosity preservatives during hypochlorit

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Treatment with particular chemical

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162 72, 162 87, 162 77, D21C 914

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042959284

ABSTRACT:
Improved pulp strength and brightness of chemically produced pulp can be obtained by treating the pulp with the addition of 0.05-0.5% based on the weight of the dry fiber of certain aromatic materials in the hypochlorite bleaching stage.

REFERENCES:
patent: 4096029 (1978-06-01), Mills
patent: 4213821 (1980-07-01), Vanderhoek et al.
TAPPI, vol. 34, No. 5, May 1951, pp. 209-215.

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