Process for sizing paper in anionic hydrophobic sizing...

C - Chemistry – Metallurgy – 07 – D

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6/51, 9/51, 260/

C07D 295/14 (2006.01) D21H 17/17 (2006.01)

Patent

CA 1238324

1-14067/+ A process for sizing paper with anionic hydrophobic sizing agents and cationic retention aids Abstract Anionic sizing agents which are novel reaction pro- ducts of hydrophobic ketene dimers and diamines or oligo- amines are particularly suitable for use, together with commercially available cationic retention aids, in a process for sizing paper or board.

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