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1. (WO2012100156) ENHANCED DRY STRENGTH AND DRAINAGE PERFORMANCE BY COMBINING GLYOXALATED ACRYLAMIDE-CONTAINING POLYMERS WITH CATIONIC AQUEOUS DISPERSION POLYMERS
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2012/100156 International Application No.: PCT/US2012/022020
Publication Date: 26.07.2012 International Filing Date: 20.01.2012
IPC:
D21H 17/37 (2006.01) ,D21H 17/44 (2006.01) ,D21H 21/18 (2006.01)
D TEXTILES; PAPER
21
PAPER-MAKING; PRODUCTION OF CELLULOSE
H
PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D84; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G97; PAPER NOT OTHERWISE PROVIDED FOR
17
Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
20
Macromolecular organic compounds
33
Synthetic macromolecular compounds
34
obtained by reactions only involving carbon-to-carbon unsaturated bonds
37
Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
D TEXTILES; PAPER
21
PAPER-MAKING; PRODUCTION OF CELLULOSE
H
PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D84; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G97; PAPER NOT OTHERWISE PROVIDED FOR
17
Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
20
Macromolecular organic compounds
33
Synthetic macromolecular compounds
34
obtained by reactions only involving carbon-to-carbon unsaturated bonds
41
containing ionic groups
44
cationic
D TEXTILES; PAPER
21
PAPER-MAKING; PRODUCTION OF CELLULOSE
H
PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D84; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G97; PAPER NOT OTHERWISE PROVIDED FOR
21
Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper impregnating or coating material, characterised by its function, form or properties
14
characterised by function or properties in or on the paper
18
Reinforcing agents
Applicants:
HERCULES INCORPORATED [US/US]; 500 Hercules Road Wilmington, DE 19808, US (AllExceptUS)
MCKAY, Jonathan, M. [US/US]; US (UsOnly)
Inventors:
MCKAY, Jonathan, M.; US
Agent:
ROSSI, Joanne, Mary, Fobare; Hercules Incorporated 500 Hercules Road Wilmington, DE 19808, US
Priority Data:
61/434,54120.01.2011US
Title (EN) ENHANCED DRY STRENGTH AND DRAINAGE PERFORMANCE BY COMBINING GLYOXALATED ACRYLAMIDE-CONTAINING POLYMERS WITH CATIONIC AQUEOUS DISPERSION POLYMERS
(FR) RÉSISTANCE À SEC AMÉLIORÉE ET PERFORMANCE AMÉLIORÉE DE DRAINAGE PAR COMBINAISON DE POLYMÈRES À TENEUR EN ACRYLAMIDE, GLYOXALATÉS, AVEC DES POLYMÈRES CATIONIQUES EN DISPERSION AQUEUSE
Abstract:
(EN) A process is disclosed for the production of paper with enhanced dry strength comprising adding to the wet end of a paper machine, (a) a glyoxalated acrylamide-containing polymer and (b) a cationic aqueous dispersion polymer. Guidelines for the properties of the polymers that make this coadditive system effective are established. Polymer properties discussed include molecular weight, cationic charge, polymer composition and functionalization, and relative additive amounts.
(FR) L'invention concerne un procédé pour la fabrication de papier ayant une résistance à sec améliorée, consistant à ajouter au bout humide d'une machine à papier, (a) un polymère à teneur en acrylamide, glyoxalaté, et (b) un polymère cationique en dispersion aqueuse. Des directives pour les propriétés des polymères qui rendent ce système de co-additifs efficace sont établies. Les propriétés des polymères qui sont discutées comprennent la masse moléculaire, la charge cationique, la composition et fonctionnalisation des polymères et les quantités relatives d'additifs.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)