Method of recovering fibres

Details Method of recovering fibres Method of recovering fibres

D - Textiles, Paper

21

B

9/1, 8/78

D21B 1/16 (2006.01) B41M 5/124 (2006.01) D21C 5/02 (2006.01)

Patent

CA 1114562

ABSTRACT Fibre recovery process for pressure-sensitive carbonless copying paper which comprises defibrating the wastage in aqueous media, preferably in the presence of a cationic quaternary ammonium surface active agent, treating the wastage with acid to destroy the microcapsules, and bleaching the defibrated wastage with a bleaching agent.

327899

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