NO323558B1 - Fremgangsmate ved fremstilling av papir - Google Patents
Fremgangsmate ved fremstilling av papir Download PDFInfo
- Publication number
- NO323558B1 NO323558B1 NO19982109A NO982109A NO323558B1 NO 323558 B1 NO323558 B1 NO 323558B1 NO 19982109 A NO19982109 A NO 19982109A NO 982109 A NO982109 A NO 982109A NO 323558 B1 NO323558 B1 NO 323558B1
- Authority
- NO
- Norway
- Prior art keywords
- acrylamide
- based polymer
- suspension
- cationic
- polymer
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 49
- 229920000642 polymer Polymers 0.000 claims abstract description 44
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 29
- 125000002091 cationic group Chemical group 0.000 claims abstract description 29
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000000725 suspension Substances 0.000 claims abstract description 16
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 10
- 125000000129 anionic group Chemical group 0.000 claims abstract description 8
- 239000000945 filler Substances 0.000 claims abstract description 7
- 229920002678 cellulose Polymers 0.000 claims abstract description 5
- 239000001913 cellulose Substances 0.000 claims abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical class O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 30
- 239000006085 branching agent Substances 0.000 claims description 20
- 239000000178 monomer Substances 0.000 claims description 17
- -1 aluminum compound Chemical class 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 239000000835 fiber Substances 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 11
- 150000003926 acrylamides Chemical class 0.000 claims description 6
- 238000004513 sizing Methods 0.000 claims description 6
- 229920000620 organic polymer Polymers 0.000 claims description 5
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 2
- 125000002947 alkylene group Chemical group 0.000 claims description 2
- WASQWSOJHCZDFK-UHFFFAOYSA-N diketene Chemical group C=C1CC(=O)O1 WASQWSOJHCZDFK-UHFFFAOYSA-N 0.000 claims description 2
- 229920001223 polyethylene glycol Polymers 0.000 claims description 2
- 230000001588 bifunctional effect Effects 0.000 claims 1
- 229920006317 cationic polymer Polymers 0.000 claims 1
- 239000004411 aluminium Substances 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 description 25
- 239000000123 paper Substances 0.000 description 25
- 230000014759 maintenance of location Effects 0.000 description 19
- 238000007792 addition Methods 0.000 description 16
- 229920002401 polyacrylamide Polymers 0.000 description 16
- 239000000654 additive Substances 0.000 description 11
- 239000000377 silicon dioxide Substances 0.000 description 11
- 150000001875 compounds Chemical class 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 229920001131 Pulp (paper) Polymers 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 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 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 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 3
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 244000144992 flock Species 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 229910021653 sulphate ion Inorganic materials 0.000 description 3
- 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 3
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 244000007835 Cyamopsis tetragonoloba Species 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000004823 Reactive adhesive Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 150000008065 acid anhydrides Chemical class 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- 229910000278 bentonite Inorganic materials 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
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 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 2
- 150000002561 ketenes Chemical class 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000011164 primary particle Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 1
- TURITJIWSQEMDB-UHFFFAOYSA-N 2-methyl-n-[(2-methylprop-2-enoylamino)methyl]prop-2-enamide Chemical compound CC(=C)C(=O)NCNC(=O)C(C)=C TURITJIWSQEMDB-UHFFFAOYSA-N 0.000 description 1
- YAXXOCZAXKLLCV-UHFFFAOYSA-N 3-dodecyloxolane-2,5-dione Chemical class CCCCCCCCCCCCC1CC(=O)OC1=O YAXXOCZAXKLLCV-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 235000018185 Betula X alpestris Nutrition 0.000 description 1
- 235000018212 Betula X uliginosa Nutrition 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- 239000007832 Na2SO4 Substances 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- NJSSICCENMLTKO-HRCBOCMUSA-N [(1r,2s,4r,5r)-3-hydroxy-4-(4-methylphenyl)sulfonyloxy-6,8-dioxabicyclo[3.2.1]octan-2-yl] 4-methylbenzenesulfonate Chemical compound C1=CC(C)=CC=C1S(=O)(=O)O[C@H]1C(O)[C@@H](OS(=O)(=O)C=2C=CC(C)=CC=2)[C@@H]2OC[C@H]1O2 NJSSICCENMLTKO-HRCBOCMUSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 238000012733 comparative method Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 125000004386 diacrylate group Chemical group 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 229940015043 glyoxal Drugs 0.000 description 1
- 238000000227 grinding Methods 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
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- ILCQQHAOOOVHQJ-UHFFFAOYSA-N n-ethenylprop-2-enamide Chemical compound C=CNC(=O)C=C ILCQQHAOOOVHQJ-UHFFFAOYSA-N 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- RPQRDASANLAFCM-UHFFFAOYSA-N oxiran-2-ylmethyl prop-2-enoate Chemical compound C=CC(=O)OCC1CO1 RPQRDASANLAFCM-UHFFFAOYSA-N 0.000 description 1
- 150000002924 oxiranes Chemical class 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920000867 polyelectrolyte Polymers 0.000 description 1
- 229940088417 precipitated calcium carbonate Drugs 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 125000005372 silanol group Chemical group 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- FZGFBJMPSHGTRQ-UHFFFAOYSA-M trimethyl(2-prop-2-enoyloxyethyl)azanium;chloride Chemical compound [Cl-].C[N+](C)(C)CCOC(=O)C=C FZGFBJMPSHGTRQ-UHFFFAOYSA-M 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
- D21H17/34—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
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
- D21H17/375—Poly(meth)acrylamide
-
- 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
- D21H21/00—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
- D21H21/06—Paper forming aids
- D21H21/10—Retention agents or drainage improvers
-
- 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
- D21H17/455—Nitrogen-containing groups comprising tertiary amine or being at least partially quaternised
-
- 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
-
- 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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
- D21H23/06—Controlling the addition
- D21H23/14—Controlling the addition by selecting point of addition or time of contact between components
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
- Polarising Elements (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9504081A SE9504081D0 (sv) | 1995-11-15 | 1995-11-15 | A process for the production of paper |
| PCT/SE1996/001442 WO1997018351A1 (en) | 1995-11-15 | 1996-11-08 | A process for the production of paper |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO982109D0 NO982109D0 (no) | 1998-05-08 |
| NO982109L NO982109L (no) | 1998-07-01 |
| NO323558B1 true NO323558B1 (no) | 2007-06-11 |
Family
ID=20400243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO19982109A NO323558B1 (no) | 1995-11-15 | 1998-05-08 | Fremgangsmate ved fremstilling av papir |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US6103064A (zh) |
| EP (1) | EP0870087B1 (zh) |
| JP (1) | JP2945761B2 (zh) |
| KR (1) | KR100269043B1 (zh) |
| CN (1) | CN1079866C (zh) |
| AT (1) | ATE200696T1 (zh) |
| AU (1) | AU706403B2 (zh) |
| BR (1) | BR9611516A (zh) |
| CA (1) | CA2237337C (zh) |
| DE (1) | DE69612566T2 (zh) |
| DK (1) | DK0870087T3 (zh) |
| ES (1) | ES2158367T3 (zh) |
| MX (1) | MX9803799A (zh) |
| NO (1) | NO323558B1 (zh) |
| PT (1) | PT870087E (zh) |
| RU (1) | RU2147058C1 (zh) |
| SE (1) | SE9504081D0 (zh) |
| WO (1) | WO1997018351A1 (zh) |
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU729008B2 (en) * | 1996-05-01 | 2001-01-25 | Nalco Chemical Company | Improved papermaking process |
| US6238521B1 (en) | 1996-05-01 | 2001-05-29 | Nalco Chemical Company | Use of diallyldimethylammonium chloride acrylamide dispersion copolymer in a papermaking process |
| US5989392A (en) * | 1997-09-10 | 1999-11-23 | Nalco Chemical Company | Method of using polyammonium quaternary for controlling anionic trash and pitch deposition in pulp containing broke |
| CO5070714A1 (es) * | 1998-03-06 | 2001-08-28 | Nalco Chemical Co | Proceso para la preparacion de silice coloidal estable |
| KR100403839B1 (ko) | 1998-04-27 | 2003-11-01 | 악조 노벨 엔.브이. | 제지 방법 |
| US7306700B1 (en) | 1998-04-27 | 2007-12-11 | Akzo Nobel Nv | Process for the production of paper |
| FR2779452B1 (fr) * | 1998-06-04 | 2000-08-11 | Snf Sa | Procede de fabrication de papier et carton et nouveaux agents de retention et d'egouttage correspondants, et papiers et cartons ainsi obtenus |
| US20030150575A1 (en) * | 1998-06-04 | 2003-08-14 | Snf Sa | Paper and paperboard production process and corresponding novel retention and drainage aids, and papers and paperboards thus obtained |
| FR2779752B1 (fr) * | 1998-06-12 | 2000-08-11 | Snf Sa | Procede de fabrication de papier et carton et nouveaux agents de retention correspondants, et papiers et cartons ainsi obtenus |
| US7169261B2 (en) | 1999-05-04 | 2007-01-30 | Akzo Nobel N.V. | Silica-based sols |
| RU2213053C2 (ru) * | 1999-05-04 | 2003-09-27 | Акцо Нобель Н.В. | Золи на основе диоксида кремния |
| TW524910B (en) * | 1999-11-08 | 2003-03-21 | Ciba Spec Chem Water Treat Ltd | Manufacture of paper and paperboard |
| TW527457B (en) * | 1999-11-08 | 2003-04-11 | Ciba Spec Chem Water Treat Ltd | Manufacture of paper and paperboard |
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-
1995
- 1995-11-15 SE SE9504081A patent/SE9504081D0/xx unknown
-
1996
- 1996-11-08 WO PCT/SE1996/001442 patent/WO1997018351A1/en active IP Right Grant
- 1996-11-08 CA CA002237337A patent/CA2237337C/en not_active Expired - Lifetime
- 1996-11-08 JP JP9518776A patent/JP2945761B2/ja not_active Expired - Lifetime
- 1996-11-08 CN CN96198363A patent/CN1079866C/zh not_active Expired - Lifetime
- 1996-11-08 KR KR1019980703152A patent/KR100269043B1/ko not_active IP Right Cessation
- 1996-11-08 BR BR9611516A patent/BR9611516A/pt not_active IP Right Cessation
- 1996-11-08 RU RU98111497A patent/RU2147058C1/ru active
- 1996-11-08 DE DE69612566T patent/DE69612566T2/de not_active Expired - Lifetime
- 1996-11-08 AU AU76590/96A patent/AU706403B2/en not_active Expired
- 1996-11-08 PT PT96939400T patent/PT870087E/pt unknown
- 1996-11-08 ES ES96939400T patent/ES2158367T3/es not_active Expired - Lifetime
- 1996-11-08 EP EP96939400A patent/EP0870087B1/en not_active Expired - Lifetime
- 1996-11-08 DK DK96939400T patent/DK0870087T3/da active
- 1996-11-08 AT AT96939400T patent/ATE200696T1/de active
-
1998
- 1998-05-08 NO NO19982109A patent/NO323558B1/no not_active IP Right Cessation
- 1998-05-13 US US09/076,935 patent/US6103064A/en not_active Expired - Lifetime
- 1998-05-13 MX MX9803799A patent/MX9803799A/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RU2147058C1 (ru) | 2000-03-27 |
| AU7659096A (en) | 1997-06-05 |
| CN1079866C (zh) | 2002-02-27 |
| NO982109L (no) | 1998-07-01 |
| ES2158367T3 (es) | 2001-09-01 |
| EP0870087A1 (en) | 1998-10-14 |
| PT870087E (pt) | 2001-09-28 |
| DE69612566D1 (de) | 2001-05-23 |
| MX9803799A (es) | 1998-09-30 |
| NO982109D0 (no) | 1998-05-08 |
| JP2945761B2 (ja) | 1999-09-06 |
| CN1202212A (zh) | 1998-12-16 |
| DK0870087T3 (da) | 2001-08-06 |
| US6103064A (en) | 2000-08-15 |
| AU706403B2 (en) | 1999-06-17 |
| KR100269043B1 (ko) | 2000-10-16 |
| CA2237337C (en) | 2005-01-18 |
| JPH11501705A (ja) | 1999-02-09 |
| WO1997018351A1 (en) | 1997-05-22 |
| DE69612566T2 (de) | 2001-11-08 |
| KR19990067199A (ko) | 1999-08-16 |
| CA2237337A1 (en) | 1997-05-22 |
| SE9504081D0 (sv) | 1995-11-15 |
| BR9611516A (pt) | 1999-03-02 |
| ATE200696T1 (de) | 2001-05-15 |
| EP0870087B1 (en) | 2001-04-18 |
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| Date | Code | Title | Description |
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| MK1K | Patent expired |