Use of surfactants having an HLB less than 10 in the deinking of

Details Use of surfactants having an HLB less than 10 in the deinking of Use of surfactants having an HLB less than 10 in the deinking of

1991-04-25

1993-04-06

Hastings, Karen M.

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Waste paper or textile waste

162 8, D21C 502

Patent

active

052000346

ABSTRACT:
A method for deinking dry toner electrostatic printed wastepaper is disclosed. The method includes administering a sufficient amount of an ethoxylated surfactant, propoxylated surfactant, esterified surfactant or alkanolamide surfactant having an HLB value of less than 10.0 to a sample of electrostatic printed wastepaper for which treatment is desired.

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Darlington, W. B., "A New Process for Deinking Electrostatic-Printed Secondary Fiber", TAPPI Proceedings, 1988 Pulping Conference, pp. 95-100.

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