D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
96/192, 9/59, 40
D21H 17/45 (2006.01) C08F 8/00 (2006.01) D21H 21/16 (2006.01) D21H 21/20 (2006.01) G03G 5/00 (2006.01) G03G 5/10 (2006.01) G03G 7/00 (2006.01)
Patent
CA 1322806
SO-1-48371C/YT/87 ABSTRACT OF THE DISCLOSURE An aqueous dispersion of a cationic polymer is disclosed, which is obtained by reacting an ethylene copolymer comprising from 40 to 80% by weight of ethylene and from 20 to 60% by weight of at least one aminoalkyl acrylamide comonomer represented by formula (I): Image (I) wherein R1 represents a hydrogen atom or a methyl group; R2 and R3 each represents a hydrogen atom or an alkyl group having from 1 to 4 carbon atoms; and n represents an integer of from 2 to 4, and having a melt index, as measured in accordance with JIS K-6760, of from 10 to 1,000 g/10 min with hydrochloric acid in water to form a quaternary salt and subsequently reacting the resulting quaternary salt with an epihalohydrin compound through addition reaction. The aqueous dispersion provides a coating film having an improved electrical conductivity or produces effects to simultaneously improve degree of sizing and wet strength of paper.
551424
Asao Kouichiro
Kondo Norio
Mashita Kentaro
Ohmae Tadayuki
Sakurai Tadashi
Riches Mckenzie & Herbert Llp
Sumitomo Chemical Company Limited
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