Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Waste paper or textile waste
Patent
1991-11-22
1994-02-22
Pal, Asok
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
Waste paper or textile waste
252 60, 25217421, 25217422, D21C 502
Patent
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.
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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.
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Hamaguchi Koji
Ishibashi Yoichi
Miyauchi Yoshitaka
Shiroishi Takanobu
Takahashi Hiromichi
Achutamurthy P.
Kao Corporation
Pal Asok
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