Deinking method and deinking composition

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Waste paper or textile waste

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252 60, 25217421, 25217422, D21C 502

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active

052883698

ABSTRACT:
A deinking composition for use in the reclamation of waste paper consisting essentially of a mixture of higher fatty acids having 8 to 24 carbon atoms, or salts thereof, wherein the average carbon atom number of said fatty acids in said mixture ranges from 12.7 to 21.5, and wherein the content of higher fatty acids having 20 to 24 carbon atoms or salts thereof, ranges from 9.6 to 70.6% by weight, said mixture having an iodine value (IV) of not greater than 45.

REFERENCES:
patent: 4231841 (1980-11-01), Calmanti et al.
patent: 4360439 (1982-11-01), Calmanti et al.
patent: 4964949 (1990-10-01), Hamaguchi et al.
Abstract Bulletin of the Institute of Paper Chemistry: vol. 49, No. 11, 1979, p. 1055: Bechstein, G., Use of Surface-active agents in Deinking Waster Paper.
World Patent Index Latest, Week 8736, Derwent Pub. Ltd., London, GB: Class A AN 87-254903, 1987.
World Patents Index Latest, Week 8749, Derwent Pub. Ltd., London, GB: Class A AN 87-345797, 1987.
World Patents Index Latest, Week 8410, Derwent Pub. Ltd., London, GB: AN 84-058751, 1984.

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