Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Waste paper or textile waste
Patent
1996-10-01
1998-11-17
Chin, Peter
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
Waste paper or textile waste
162 4, D21C 502
Patent
active
058370986
ABSTRACT:
Describes a deinking agent composition and a method for deinking wastepaper printed with electrostatic ink or mixtures thereof with wastepaper printed with impact ink in which a combination of nonionic surfactants are added to an alkaline slurry of paper fibers. The surfactants are a first nonionic surfactant represented by the formula:
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Hipolit Kevin
Li Chin
Vijayendran Bhima R.
BASF Corporation
Chin Peter
Drake James J.
Nguyen Dean T.
Will Joanne P.
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