CA1334324C - Procede de fabrication de papier - Google Patents

Procede de fabrication de papier

Info

Publication number: CA1334324C
Authority: CA; Canada
Prior art keywords: process according; colloid; aluminate; synthetic polymer; anionic
Prior art date: 1988-09-01
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Lifetime

Application number

CA000609515A

Other languages

English (en)

Inventor

Hans Erik Johansson

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Nouryon Pulp and Performance Chemicals AB

Original Assignee

Eka Nobel AB

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1988-09-01

Filing date

1989-08-28

Publication date

1995-02-14

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20373187&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA1334324(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1989-08-28 Application filed by Eka Nobel AB filed Critical Eka Nobel AB

1995-02-14 Application granted granted Critical

1995-02-14 Publication of CA1334324C publication Critical patent/CA1334324C/fr

2012-02-14 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 25
238000004519 manufacturing process Methods 0.000 title claims abstract description 10
239000000084 colloidal system Substances 0.000 claims abstract description 47
125000000129 anionic group Chemical group 0.000 claims abstract description 35
125000002091 cationic group Chemical group 0.000 claims abstract description 32
150000004645 aluminates Chemical class 0.000 claims abstract description 26
229920001059 synthetic polymer Polymers 0.000 claims abstract description 18
239000000945 filler Substances 0.000 claims abstract description 17
239000000725 suspension Substances 0.000 claims abstract description 7
239000001913 cellulose Substances 0.000 claims abstract description 5
229920002678 cellulose Polymers 0.000 claims abstract description 5
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 29
239000002245 particle Substances 0.000 claims description 17
239000000377 silicon dioxide Substances 0.000 claims description 12
RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 7
239000000835 fiber Substances 0.000 claims description 6
229920002401 polyacrylamide Polymers 0.000 claims description 5
229920000768 polyamine Polymers 0.000 claims description 4
229910052782 aluminium Inorganic materials 0.000 claims description 3
229920002873 Polyethylenimine Polymers 0.000 claims description 2
YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 2
-1 aluminum modified silica sol Chemical class 0.000 claims description 2
229920000962 poly(amidoamine) Polymers 0.000 claims description 2
239000002344 surface layer Substances 0.000 claims description 2
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
229910052593 corundum Inorganic materials 0.000 claims 1
229910001845 yogo sapphire Inorganic materials 0.000 claims 1
230000014759 maintenance of location Effects 0.000 abstract description 8
238000007792 addition Methods 0.000 description 14
239000000123 paper Substances 0.000 description 10
239000003795 chemical substances by application Substances 0.000 description 8
230000000694 effects Effects 0.000 description 8
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
229920006317 cationic polymer Polymers 0.000 description 6
229920005989 resin Polymers 0.000 description 6
239000011347 resin Substances 0.000 description 6
239000003513 alkali Substances 0.000 description 5
229920000642 polymer Polymers 0.000 description 5
229910001388 sodium aluminate Inorganic materials 0.000 description 5
ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 4
239000008119 colloidal silica Substances 0.000 description 4
239000000126 substance Substances 0.000 description 4
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
229910052681 coesite Inorganic materials 0.000 description 3
229910052906 cristobalite Inorganic materials 0.000 description 3
239000012764 mineral filler Substances 0.000 description 3
235000012239 silicon dioxide Nutrition 0.000 description 3
229910052682 stishovite Inorganic materials 0.000 description 3
229910021653 sulphate ion Inorganic materials 0.000 description 3
229910052905 tridymite Inorganic materials 0.000 description 3
229920003043 Cellulose fiber Polymers 0.000 description 2
BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 2
229910020284 Na2SO4.10H2O Inorganic materials 0.000 description 2
GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
239000007864 aqueous solution Substances 0.000 description 2
239000000440 bentonite Substances 0.000 description 2
235000012216 bentonite Nutrition 0.000 description 2
229910000278 bentonite Inorganic materials 0.000 description 2
229940092782 bentonite Drugs 0.000 description 2
SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
239000011230 binding agent Substances 0.000 description 2
230000000875 corresponding effect Effects 0.000 description 2
150000002500 ions Chemical class 0.000 description 2
238000005259 measurement Methods 0.000 description 2
RSIJVJUOQBWMIM-UHFFFAOYSA-L sodium sulfate decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=O RSIJVJUOQBWMIM-UHFFFAOYSA-L 0.000 description 2
239000000243 solution Substances 0.000 description 2
RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
239000005995 Aluminium silicate Substances 0.000 description 1
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
241000518994 Conta Species 0.000 description 1
229920000877 Melamine resin Polymers 0.000 description 1
229910003202 NH4 Inorganic materials 0.000 description 1
BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
239000004698 Polyethylene Substances 0.000 description 1
229920001131 Pulp (paper) Polymers 0.000 description 1
KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
229920002472 Starch Polymers 0.000 description 1
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
229920001807 Urea-formaldehyde Polymers 0.000 description 1
238000013019 agitation Methods 0.000 description 1
235000012211 aluminium silicate Nutrition 0.000 description 1
ZEMWIYASLJTEHQ-UHFFFAOYSA-J aluminum;sodium;disulfate;dodecahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.O.O.[Na+].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZEMWIYASLJTEHQ-UHFFFAOYSA-J 0.000 description 1
230000003139 buffering effect Effects 0.000 description 1
UHZZMRAGKVHANO-UHFFFAOYSA-M chlormequat chloride Chemical compound [Cl-].C[N+](C)(C)CCCl UHZZMRAGKVHANO-UHFFFAOYSA-M 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
238000001035 drying Methods 0.000 description 1
244000144992 flock Species 0.000 description 1
IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical compound O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 description 1
239000003365 glass fiber Substances 0.000 description 1
239000010440 gypsum Substances 0.000 description 1
229910052602 gypsum Inorganic materials 0.000 description 1
239000011121 hardwood Substances 0.000 description 1
229920006158 high molecular weight polymer Polymers 0.000 description 1
229910052500 inorganic mineral Inorganic materials 0.000 description 1
NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
229910052744 lithium Inorganic materials 0.000 description 1
239000000463 material Substances 0.000 description 1
239000011707 mineral Substances 0.000 description 1
229910052901 montmorillonite Inorganic materials 0.000 description 1
125000001477 organic nitrogen group Chemical group 0.000 description 1
239000010451 perlite Substances 0.000 description 1
235000019362 perlite Nutrition 0.000 description 1
229920000573 polyethylene Polymers 0.000 description 1
ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
229910052700 potassium Inorganic materials 0.000 description 1
KVOIJEARBNBHHP-UHFFFAOYSA-N potassium;oxido(oxo)alumane Chemical compound [K+].[O-][Al]=O KVOIJEARBNBHHP-UHFFFAOYSA-N 0.000 description 1
229910052710 silicon Inorganic materials 0.000 description 1
239000010703 silicon Substances 0.000 description 1
238000004513 sizing Methods 0.000 description 1
239000002002 slurry Substances 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
239000011734 sodium Substances 0.000 description 1
239000011122 softwood Substances 0.000 description 1
239000008107 starch Substances 0.000 description 1
235000019698 starch Nutrition 0.000 description 1
LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
235000011149 sulphuric acid Nutrition 0.000 description 1
239000000454 talc Substances 0.000 description 1
235000012222 talc Nutrition 0.000 description 1
229910052623 talc Inorganic materials 0.000 description 1
239000004408 titanium dioxide Substances 0.000 description 1
KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
239000010456 wollastonite Substances 0.000 description 1
229910052882 wollastonite Inorganic materials 0.000 description 1

Classifications

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
- D21H17/44—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
- D21H17/45—Nitrogen-containing groups
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Dispersion Chemistry (AREA)
Inorganic Chemistry (AREA)
Paper (AREA)
Diaphragms For Electromechanical Transducers (AREA)
Making Paper Articles (AREA)
Polarising Elements (AREA)
Electronic Switches (AREA)

CA000609515A 1988-09-01 1989-08-28 Procede de fabrication de papier Expired - Lifetime CA1334324C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
SE8803065-5		1988-09-01
SE8803065A SE467627B (sv)	1988-09-01	1988-09-01	Saett vid framstaellning av papper

Publications (1)

Publication Number	Publication Date
CA1334324C true CA1334324C (fr)	1995-02-14

Family

ID=20373187

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000609515A Expired - Lifetime CA1334324C (fr)	1988-09-01	1989-08-28	Procede de fabrication de papier

Country Status (13)

Country	Link
EP (1)	EP0357574B1 (fr)
JP (1)	JP2521539B2 (fr)
AT (1)	ATE99010T1 (fr)
AU (1)	AU605997B2 (fr)
BR (1)	BR8904283A (fr)
CA (1)	CA1334324C (fr)
DE (1)	DE68911626T2 (fr)
ES (1)	ES2048323T3 (fr)
FI (1)	FI90448C (fr)
NO (1)	NO171567C (fr)
NZ (1)	NZ230427A (fr)
PT (1)	PT91611B (fr)
SE (1)	SE467627B (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4795531A (en) *	1987-09-22	1989-01-03	Nalco Chemical Company	Method for dewatering paper
US4927498A (en) *	1988-01-13	1990-05-22	E. I. Du Pont De Nemours And Company	Retention and drainage aid for papermaking
SE500367C2 (sv) *	1989-11-09	1994-06-13	Eka Nobel Ab	Silikasoler och förfarande för framställning av papper
JP2521651B2 (ja) *	1991-07-02	1996-08-07	エカノーベルアクチェボラーグ	紙の製造方法
DE4437118A1 (de) *	1994-10-05	1996-04-11	Technocell Dekor Gmbh & Co Kg	Basispapier für dekorative Beschichtungssysteme
US5846384A (en) *	1995-06-15	1998-12-08	Eka Chemicals Ab	Process for the production of paper
SE9502184D0 (sv) *	1995-06-15	1995-06-15	Eka Nobel Ab	A process for the production of paper
US5595630A (en) *	1995-08-31	1997-01-21	E. I. Du Pont De Nemours And Company	Process for the manufacture of paper
SE9504081D0 (sv) *	1995-11-15	1995-11-15	Eka Nobel Ab	A process for the production of paper
US7169261B2 (en)	1999-05-04	2007-01-30	Akzo Nobel N.V.	Silica-based sols
WO2000066492A1 (fr)	1999-05-04	2000-11-09	Akzo Nobel N.V.	Sols a base de silice
US6379501B1 (en)	1999-12-14	2002-04-30	Hercules Incorporated	Cellulose products and processes for preparing the same
JP4206344B2 (ja) *	2002-04-03	2009-01-07	星光Ｐｍｃ株式会社	紙の製造方法及び歩留り向上剤
FI121119B (fi) †	2003-04-15	2010-07-15	Kemira Oyj	Menetelmä paperin valmistamiseksi
US8245359B2 (en)	2006-12-28	2012-08-21	Tokyo Kinzoku Industry Co., Ltd.	Clip
CN103556532B (zh) *	2013-10-31	2016-01-20	东莞理文造纸厂有限公司	一种造纸用助留剂及其制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE8403062L (sv) *	1984-06-07	1985-12-08	Eka Ab	Forfarande vid papperstillverkning
SE451739B (sv) *	1985-04-03	1987-10-26	Eka Nobel Ab	Papperstillverkningsforfarande och pappersprodukt varvid som avvattnings- och retentionsforbettrande kemikalie anvends katjonisk polyakrylamid och en speciell oorganisk kolloid
SE8701252D0 (sv) *	1987-03-03	1987-03-25	Eka Nobel Ab	Sett vid framstellning av papper
US4795531A (en) *	1987-09-22	1989-01-03	Nalco Chemical Company	Method for dewatering paper
US4927498A (en) *	1988-01-13	1990-05-22	E. I. Du Pont De Nemours And Company	Retention and drainage aid for papermaking
SE461156B (sv) *	1988-05-25	1990-01-15	Eka Nobel Ab	Saett foer framstaellning av papper varvid formning och avvattning aeger rum i naervaro av en aluminiumfoerening, ett katjoniskt retentionsmedel och en polymer kiselsyra

1988
- 1988-09-01 SE SE8803065A patent/SE467627B/sv not_active IP Right Cessation
1989
- 1989-08-09 EP EP89850252A patent/EP0357574B1/fr not_active Expired - Lifetime
- 1989-08-09 DE DE89850252T patent/DE68911626T2/de not_active Expired - Lifetime
- 1989-08-09 AT AT89850252T patent/ATE99010T1/de not_active IP Right Cessation
- 1989-08-09 ES ES89850252T patent/ES2048323T3/es not_active Expired - Lifetime
- 1989-08-25 BR BR898904283A patent/BR8904283A/pt not_active IP Right Cessation
- 1989-08-25 NZ NZ230427A patent/NZ230427A/en unknown
- 1989-08-28 AU AU40840/89A patent/AU605997B2/en not_active Expired
- 1989-08-28 CA CA000609515A patent/CA1334324C/fr not_active Expired - Lifetime
- 1989-08-29 JP JP1220495A patent/JP2521539B2/ja not_active Expired - Lifetime
- 1989-08-30 FI FI894075A patent/FI90448C/fi active IP Right Grant
- 1989-08-31 NO NO893500A patent/NO171567C/no not_active IP Right Cessation
- 1989-09-01 PT PT91611A patent/PT91611B/pt not_active IP Right Cessation

Also Published As

Publication number	Publication date
NO171567C (no)	1993-03-31
BR8904283A (pt)	1990-04-17
PT91611A (pt)	1990-03-30
FI90448B (fi)	1993-10-29
FI894075L (fi)	1990-03-02
EP0357574A2 (fr)	1990-03-07
SE8803065D0 (sv)	1988-09-01
NZ230427A (en)	1991-06-25
FI894075A0 (fi)	1989-08-30
NO893500D0 (no)	1989-08-31
FI90448C (fi)	1994-02-10
ES2048323T3 (es)	1994-03-16
AU605997B2 (en)	1991-01-24
PT91611B (pt)	1995-05-31
ATE99010T1 (de)	1994-01-15
SE467627B (sv)	1992-08-17
DE68911626D1 (de)	1994-02-03
DE68911626T2 (de)	1994-04-07
SE8803065L (sv)	1990-03-02
AU4084089A (en)	1990-03-29
NO893500L (no)	1990-03-02
EP0357574A3 (fr)	1991-10-23
JP2521539B2 (ja)	1996-08-07
JPH0299692A (ja)	1990-04-11
EP0357574B1 (fr)	1993-12-22
NO171567B (no)	1992-12-21

Legal Events

Date	Code	Title	Description
2012-02-14	MKEX	Expiry

Publication	Publication Date	Title
US4964954A (en)	1990-10-23	Process for the production of paper
AU598416B2 (en)	1990-06-21	A process for the production of paper
US5169441A (en)	1992-12-08	Cationic dispersion and process for cationizing finely divided particulate matter
CA1334324C (fr)	1995-02-14	Procede de fabrication de papier
CA2067495C (fr)	1996-11-05	Sols de silice, procede pour leur production et leur utilisation
EP0218674B1 (fr)	1989-02-15	Procede de fabrication de papier
US4946557A (en)	1990-08-07	Process for the production of paper
NZ235963A (en)	1992-05-26	Silica sol, production thereof and use in papermaking
CA2069308C (fr)	1996-01-30	Procede de production de papier
FI93882C (fi)	1995-06-12	Menetelmä paperin valmistamiseksi
US20080035293A1 (en)	2008-02-14	Process for Manufacturing of Paper
KR20040068318A (ko)	2004-07-30	수성 실리카-함유 조성물 그리고 종이의 제조 공정