Ethoxylated alcohol and dialkylphenol surfactants as Kraft pulpi

Details Ethoxylated alcohol and dialkylphenol surfactants as Kraft pulpi Ethoxylated alcohol and dialkylphenol surfactants as Kraft pulpi

1992-07-14

1993-10-05

Alvo, Steve

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Treatment with particular chemical

162 82, 162DIG3, D21C 302, D21C 320

Patent

active

052501523

ABSTRACT:
A method for enhancing the penetration of cooking liquor into wood chips to form a Kraft pulp which comprises adding to the cooking liquor specific surfactants such as ethoxylated dialkylphenols and ethoxylated alcohols.

REFERENCES:
patent: 3909345 (1975-09-01), Parker et al.
patent: 4906331 (1990-03-01), Blackstone et al.
patent: 4952277 (1990-08-01), Chen et al.
A. F. Campos et al., "Kraft Pulping Is Improved by Utilizing Dimethylamides of Long-chain Fatty Acids", Pulp Paper International 15, No. 11, Oct. 1973, pp. 49-52.
D. J. H. Wenzyl, "Fatty Acid Dimethylamide Formulations as Production Additives in the Pulp Industry," Papier-Rundschau No. 18, May 5, 1975, pp. 476, 478, 480, 485-486.
J. M. MacLeod, "A Review of New Alkaline--AQ Processes", TAPPI Proceedings, 1983 Pulping Conference, pp. 89-91.

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