Title:
ROSIN EMULSION SIZE FOR PAPERMAKING
Document Type and Number:
WIPO Patent Application WO/1993/005231
Kind Code:
A1
Abstract:
A papermaking emulsion size comprising a rosinous substance, a dispersant and water, wherein the dispersant comprises an amphoteric, anionic or cationic copolymer comprising: (A) a vinyl ester of a carboxylic acid as an essential component, (B) an anionic unsaturated monomer and/or (C) a cationic unsaturated monomer.
Inventors:
NAKAJIMA MASATO (JP)
SAKAI ITSURO (JP)
TANI NOBUYUKI (JP)
SAKAI ITSURO (JP)
TANI NOBUYUKI (JP)
Application Number:
PCT/JP1992/001107
Publication Date:
March 18, 1993
Filing Date:
August 28, 1992
Export Citation:
Assignee:
ARAKAWA CHEM IND (JP)
International Classes:
B01J13/00; D21H17/37; D21H17/41; C09K23/52; D21H17/43; D21H17/44; D21H17/62; (IPC1-7): D21H17/34; D21H17/37; D21H17/62
Foreign References:
| JPS5358006A | 1978-05-25 | |||
| JPH0233393A | 1990-02-02 | |||
| JPH01203032A | 1989-08-15 | |||
| JPH03161592A | 1991-07-11 |
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