D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 17/45 (2006.01) C08L 33/26 (2006.01) D21H 17/37 (2006.01) D21H 17/43 (2006.01)
Patent
CA 2065282
An additive for papermaking comprising a cationic acrylamide polymer (A) produced by reacting an acrylamide polymer with a hypohalogenite under alkaline conditions at 50 - 110°C for a short time and an anionic inorganic substance or a cationic polyacrylamide (s) produced by co- polymerizing (a) a cationic monomer (acrylic acid ester derivative or acrylamide derivative), (b) an ?,.beta. -unsatu- rated carboxylic acid or salts thereof and (c) an acryl- amide, and papermaking using such additive.
Doki Hirotoshi
Itoh Hiroshi
Takahashi Hideaki
Takaki Toshihiko
Tsutsumi Haruki
Fetherstonhaugh & Co.
Mitsui Toatsu Chemicals Inc.
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