D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 21/10 (2006.01) D21H 17/53 (2006.01) D21H 17/48 (2006.01)
Patent
CA 2369406
A process retention aid system, aromatic resin cofactor and process for producing the cofactor are disclosed for the production of paper and paper-like products from a suspension of papermaking materials to which polyethylene oxide) and a phenolic type cofactor which may be produced by Williamson synthesis from a resin, are added to improve the retention of fibres, of fines, of dispersed extractives and of fillers during the processes of water removal for the manufacturing of paper.
L'invention concerne un procédé pour la production de papier et de produits du type papier à partir d'une suspension de matériaux de papeterie auxquels du poly(éthylène oxyde) et un cofacteur du type phénolique pouvant être produits par une synthèse de Williamson à partir d'une résine, sont ajoutés, de sorte que la rétention de fibres, de fines, de produits d'extraction et de charges soit améliorée pendant les procédés d'extraction d'eau pour la fabrication du papier.
Laivins Gunar V.
Polverari Marco
Fpinnovations
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Pulp And Paper Research Institute Of Canada
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