Deinking of wastepaper

Details Deinking of wastepaper Deinking of wastepaper

D - Textiles, Paper

21

C

9/1

D21C 5/02 (2006.01)

Patent

CA 2003406

ABSTRACT OF THE DISCLOSURE The invention relates to a process for deinking wastepaper in the presence of at least partly water-soluble polymers or copolymers having a number average molecular weight in the range from 2,000 to 500,000 prepared by polymerization or copolymerization of unsaturated acid derivative monomers containing amino groups.

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