NO174724B - Fremgangsmaate for fremstilling av papir og papp - Google Patents
Fremgangsmaate for fremstilling av papir og papp Download PDFInfo
- Publication number
- NO174724B NO174724B NO891301A NO891301A NO174724B NO 174724 B NO174724 B NO 174724B NO 891301 A NO891301 A NO 891301A NO 891301 A NO891301 A NO 891301A NO 174724 B NO174724 B NO 174724B
- Authority
- NO
- Norway
- Prior art keywords
- polymer
- molecular weight
- mass
- pulp
- low molecular
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 42
- 239000011111 cardboard Substances 0.000 title claims abstract description 13
- 239000011087 paperboard Substances 0.000 title claims abstract description 8
- 229920006317 cationic polymer Polymers 0.000 claims abstract description 20
- 125000002091 cationic group Chemical group 0.000 claims abstract description 16
- 239000000440 bentonite Substances 0.000 claims abstract description 12
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 12
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229920002678 cellulose Polymers 0.000 claims abstract description 12
- 239000001913 cellulose Substances 0.000 claims abstract description 12
- 229920002472 Starch Polymers 0.000 claims abstract description 9
- 239000008107 starch Substances 0.000 claims abstract description 9
- 235000019698 starch Nutrition 0.000 claims abstract description 9
- 229910010272 inorganic material Inorganic materials 0.000 claims abstract description 4
- 239000011147 inorganic material Substances 0.000 claims abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract 2
- 229920000642 polymer Polymers 0.000 claims description 83
- 238000010008 shearing Methods 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 150000001768 cations Chemical class 0.000 claims description 9
- 238000007865 diluting Methods 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 229920002873 Polyethylenimine Polymers 0.000 claims description 4
- 229920001059 synthetic polymer Polymers 0.000 claims description 4
- 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 claims description 3
- 125000004985 dialkyl amino alkyl group Chemical group 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 150000003926 acrylamides Chemical class 0.000 claims description 2
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Substances O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 229920000768 polyamine Polymers 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims description 2
- 229940075614 colloidal silicon dioxide Drugs 0.000 claims 1
- 239000000178 monomer Substances 0.000 claims 1
- 239000000725 suspension Substances 0.000 abstract 3
- 239000008119 colloidal silica Substances 0.000 abstract 1
- 230000014759 maintenance of location Effects 0.000 description 10
- 238000007792 addition Methods 0.000 description 8
- 239000000123 paper Substances 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 5
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 5
- 235000012239 silicon dioxide Nutrition 0.000 description 5
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 229920006158 high molecular weight polymer Polymers 0.000 description 4
- DPBJAVGHACCNRL-UHFFFAOYSA-N 2-(dimethylamino)ethyl prop-2-enoate Chemical compound CN(C)CCOC(=O)C=C DPBJAVGHACCNRL-UHFFFAOYSA-N 0.000 description 3
- 229920001131 Pulp (paper) Polymers 0.000 description 3
- 238000010410 dusting Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000002655 kraft paper Substances 0.000 description 2
- 229940050176 methyl chloride Drugs 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- GXCLVBGFBYZDAG-UHFFFAOYSA-N N-[2-(1H-indol-3-yl)ethyl]-N-methylprop-2-en-1-amine Chemical compound CN(CCC1=CNC2=C1C=CC=C2)CC=C GXCLVBGFBYZDAG-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- -1 alum Substances 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000010812 mixed waste Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/76—Processes or apparatus for adding material to the pulp or to the paper characterised by choice of auxiliary compounds which are added separately from at least one other compound, e.g. to improve the incorporation of the latter or to obtain an enhanced combined effect
-
- 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
- D21H23/76—Processes or apparatus for adding material to the pulp or to the paper characterised by choice of auxiliary compounds which are added separately from at least one other compound, e.g. to improve the incorporation of the latter or to obtain an enhanced combined effect
- D21H23/765—Addition of all compounds to the pulp
-
- 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
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—Starch
-
- 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
- D21H23/16—Addition before or during pulp beating or refining
-
- 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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/08—Mechanical or thermomechanical pulp
-
- 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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/14—Secondary fibres
-
- 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
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—Starch
- D21H17/29—Starch cationic
-
- 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
-
- 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
- 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
Landscapes
- Paper (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB888807444A GB8807444D0 (en) | 1988-03-28 | 1988-03-28 | Production of paper & paper board |
| GB888815219A GB8815219D0 (en) | 1988-06-27 | 1988-06-27 | Production of paper & paper board |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO891301D0 NO891301D0 (no) | 1989-03-28 |
| NO891301L NO891301L (no) | 1989-09-29 |
| NO174724B true NO174724B (no) | 1994-03-14 |
Family
ID=26293708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO891301A NO174724B (no) | 1988-03-28 | 1989-03-28 | Fremgangsmaate for fremstilling av papir og papp |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0335575B2 (sv) |
| JP (2) | JPH026683A (sv) |
| KR (1) | KR960002733B1 (sv) |
| AU (1) | AU613465B2 (sv) |
| CA (1) | CA1322435C (sv) |
| DE (1) | DE68905208T3 (sv) |
| ES (1) | ES2053980T5 (sv) |
| FI (1) | FI97307C (sv) |
| NO (1) | NO174724B (sv) |
Families Citing this family (45)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9003954L (sv) * | 1990-12-11 | 1992-06-12 | Eka Nobel Ab | Saett foer framstaellning av ark- eller banformiga cellulosafiberinnehaallande produkter |
| US5126014A (en) * | 1991-07-16 | 1992-06-30 | Nalco Chemical Company | Retention and drainage aid for alkaline fine papermaking process |
| US5221435A (en) * | 1991-09-27 | 1993-06-22 | Nalco Chemical Company | Papermaking process |
| DE4311599A1 (de) * | 1993-04-08 | 1994-10-13 | Henkel Kgaa | Verfahren zur Kontrolle des Absetzens klebender Verunreinigungen aus Papierstoff-Suspensionen |
| US5484834A (en) * | 1993-11-04 | 1996-01-16 | Nalco Canada Inc. | Liquid slurry of bentonite |
| GB9410920D0 (en) * | 1994-06-01 | 1994-07-20 | Allied Colloids Ltd | Manufacture of paper |
| US5810971A (en) * | 1995-05-17 | 1998-09-22 | Nalco Canada, Inc. | Liquid slurry of bentonite |
| SE9502522D0 (sv) * | 1995-07-07 | 1995-07-07 | Eka Nobel Ab | A process for the production of paper |
| EP0760406A3 (en) * | 1995-08-24 | 1997-09-17 | Nalco Canada Inc | Combination of poly (dadmac / acrylamide) and bentonite for pitch control in papermaking processes |
| US5620629A (en) * | 1995-09-28 | 1997-04-15 | Nalco Chemical Company | Colloidal silica/polyelectrolyte blends for natural water clarification |
| US5840158A (en) * | 1995-09-28 | 1998-11-24 | Nalco Chemical Company | Colloidal silica/polyelectrolyte blends for pulp and paper applications |
| CA2180371A1 (en) * | 1996-02-13 | 1997-08-14 | Brian Frederic Satterfield | Production of filled paper and compositions for use in this |
| GB9603909D0 (en) | 1996-02-23 | 1996-04-24 | Allied Colloids Ltd | Production of paper |
| DE19627553A1 (de) * | 1996-07-09 | 1998-01-15 | Basf Ag | Verfahren zur Herstellung von Papier und Karton |
| US6113741A (en) * | 1996-12-06 | 2000-09-05 | Eka Chemicals Ab | Process for the production of paper |
| DE19654390A1 (de) * | 1996-12-27 | 1998-07-02 | Basf Ag | Verfahren zur Herstellung von Papier |
| DE19715832A1 (de) | 1997-04-16 | 1998-10-22 | Basf Ag | Verfahren zur Herstellung von Papier, Pappe und Karton |
| KR100403838B1 (ko) | 1998-04-27 | 2003-11-01 | 악조 노벨 엔.브이. | 제지 방법 |
| EP0953680A1 (en) * | 1998-04-27 | 1999-11-03 | Akzo Nobel N.V. | A process for the production of paper |
| US7306700B1 (en) | 1998-04-27 | 2007-12-11 | Akzo Nobel Nv | Process for the production of paper |
| US6083997A (en) * | 1998-07-28 | 2000-07-04 | Nalco Chemical Company | Preparation of anionic nanocomposites and their use as retention and drainage aids in papermaking |
| EP1047834B1 (en) * | 1998-09-22 | 2006-05-17 | Calgon Corporation | Silica-acid colloid blend in a microparticle system used in papermaking |
| TW527457B (en) | 1999-11-08 | 2003-04-11 | Ciba Spec Chem Water Treat Ltd | Manufacture of paper and paperboard |
| WO2002025013A1 (en) | 2000-09-20 | 2002-03-28 | Akzo Nobel N.V. | A process for the production of paper |
| MY140287A (en) | 2000-10-16 | 2009-12-31 | Ciba Spec Chem Water Treat Ltd | Manufacture of paper and paperboard |
| JP3819731B2 (ja) * | 2000-11-30 | 2006-09-13 | ハイモ株式会社 | 中性新聞用紙の抄紙方法 |
| DE20220979U1 (de) | 2002-08-07 | 2004-10-14 | Basf Ag | Papierprodukt |
| GB0402470D0 (en) | 2004-02-04 | 2004-03-10 | Ciba Spec Chem Water Treat Ltd | Production of a fermentation product |
| GB0402469D0 (en) | 2004-02-04 | 2004-03-10 | Ciba Spec Chem Water Treat Ltd | Production of a fermentation product |
| JP4517662B2 (ja) * | 2004-02-10 | 2010-08-04 | 栗田工業株式会社 | 紙及び板紙の製造方法 |
| DE102004044379B4 (de) | 2004-09-10 | 2008-01-10 | Basf Ag | Verfahren zur Herstellung von Papier, Pappe und Karton und Verwendung einer Retentionsmittelkombination |
| DE102004058587A1 (de) | 2004-12-03 | 2006-06-14 | Basf Ag | Verfahren zur Herstellung von Papieren mit hohen Flächengewichten |
| DE102004063005A1 (de) | 2004-12-22 | 2006-07-13 | Basf Ag | Verfahren zur Herstellung von Papier, Pappe und Karton |
| US7955473B2 (en) | 2004-12-22 | 2011-06-07 | Akzo Nobel N.V. | Process for the production of paper |
| US20060254464A1 (en) | 2005-05-16 | 2006-11-16 | Akzo Nobel N.V. | Process for the production of paper |
| WO2007078245A1 (en) | 2005-12-30 | 2007-07-12 | Akzo Nobel N.V. | A process for the production of paper |
| MX2009004481A (es) * | 2006-10-25 | 2009-05-12 | Ciba Holding Inc | Un proceso para mejorar la resistencia del papel. |
| US7758934B2 (en) | 2007-07-13 | 2010-07-20 | Georgia-Pacific Consumer Products Lp | Dual mode ink jet paper |
| JP5190877B2 (ja) * | 2008-04-04 | 2013-04-24 | ハイモ株式会社 | 紙の欠陥発生抑制方法 |
| JP5584505B2 (ja) * | 2010-03-30 | 2014-09-03 | 日本製紙株式会社 | 紙の製造方法 |
| US9404223B2 (en) | 2012-02-01 | 2016-08-02 | Basf Se | Process for the manufacture of paper and paperboard |
| WO2013127731A1 (en) | 2012-03-01 | 2013-09-06 | Basf Se | Process for the manufacture of paper and paperboard |
| CA2897185C (en) | 2013-01-11 | 2018-10-09 | Basf Se | Process for the manufacture of paper and paperboard |
| WO2019239819A1 (ja) * | 2018-06-15 | 2019-12-19 | 栗田工業株式会社 | 紙及び紙板の製造方法 |
| JP6929899B2 (ja) * | 2018-06-15 | 2021-09-01 | 栗田工業株式会社 | 紙及び紙板の製造方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5512868A (en) * | 1978-07-12 | 1980-01-29 | Mitsubishi Paper Mills Ltd | Production of neutral paper |
| DE3065576D1 (en) * | 1979-03-28 | 1983-12-22 | Allied Colloids Ltd | Production of paper and paper board |
| DE3541163A1 (de) * | 1985-11-21 | 1987-05-27 | Basf Ag | Verfahren zur herstellung von papier und karton |
| GB8602121D0 (en) * | 1986-01-29 | 1986-03-05 | Allied Colloids Ltd | Paper & paper board |
| US4795531A (en) * | 1987-09-22 | 1989-01-03 | Nalco Chemical Company | Method for dewatering paper |
| JPH0192498A (ja) * | 1987-10-02 | 1989-04-11 | Hokuetsu Paper Mills Ltd | 中性紙の製造方法 |
-
1989
- 1989-03-22 ES ES89302842T patent/ES2053980T5/es not_active Expired - Lifetime
- 1989-03-22 DE DE68905208T patent/DE68905208T3/de not_active Expired - Lifetime
- 1989-03-22 EP EP89302842A patent/EP0335575B2/en not_active Expired - Lifetime
- 1989-03-27 JP JP1074813A patent/JPH026683A/ja active Granted
- 1989-03-28 AU AU31749/89A patent/AU613465B2/en not_active Expired
- 1989-03-28 NO NO891301A patent/NO174724B/no unknown
- 1989-03-28 KR KR1019890003911A patent/KR960002733B1/ko not_active IP Right Cessation
- 1989-03-28 CA CA000594866A patent/CA1322435C/en not_active Expired - Lifetime
- 1989-03-28 FI FI891465A patent/FI97307C/sv not_active IP Right Cessation
-
1992
- 1992-09-18 JP JP4249955A patent/JPH05239800A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA1322435C (en) | 1993-09-28 |
| FI891465A0 (sv) | 1989-03-28 |
| EP0335575A2 (en) | 1989-10-04 |
| NO891301L (no) | 1989-09-29 |
| KR960002733B1 (ko) | 1996-02-26 |
| ES2053980T3 (es) | 1994-08-01 |
| KR890014836A (ko) | 1989-10-25 |
| NO891301D0 (no) | 1989-03-28 |
| DE68905208T3 (de) | 2001-02-15 |
| JPH0529719B2 (sv) | 1993-05-06 |
| DE68905208T2 (de) | 1993-10-07 |
| JPH05239800A (ja) | 1993-09-17 |
| FI891465A (sv) | 1989-09-29 |
| FI97307C (sv) | 1997-11-11 |
| EP0335575B1 (en) | 1993-03-10 |
| AU613465B2 (en) | 1991-08-01 |
| JPH026683A (ja) | 1990-01-10 |
| ES2053980T5 (es) | 2000-12-16 |
| DE68905208D1 (de) | 1993-04-15 |
| AU3174989A (en) | 1989-09-28 |
| EP0335575B2 (en) | 2000-08-23 |
| FI97307B (sv) | 1996-08-15 |
| EP0335575A3 (en) | 1990-12-12 |
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