FI115225B - Blekning av papper som innehåller fyllämne - Google Patents
Blekning av papper som innehåller fyllämne Download PDFInfo
- Publication number
- FI115225B FI115225B FI972529A FI972529A FI115225B FI 115225 B FI115225 B FI 115225B FI 972529 A FI972529 A FI 972529A FI 972529 A FI972529 A FI 972529A FI 115225 B FI115225 B FI 115225B
- Authority
- FI
- Finland
- Prior art keywords
- paper
- filler
- calcium carbonate
- bleaching
- brightness
- Prior art date
Links
- 239000000945 filler Substances 0.000 title claims abstract description 38
- 238000004061 bleaching Methods 0.000 title abstract description 17
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 27
- 239000007844 bleaching agent Substances 0.000 claims abstract description 22
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 19
- 239000007864 aqueous solution Substances 0.000 claims abstract description 6
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 18
- 229910000033 sodium borohydride Inorganic materials 0.000 claims description 6
- 239000012279 sodium borohydride Substances 0.000 claims description 6
- 229940088417 precipitated calcium carbonate Drugs 0.000 claims description 5
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 claims description 3
- 235000019738 Limestone Nutrition 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 239000006028 limestone Substances 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- -1 chalk Substances 0.000 claims 1
- 239000010459 dolomite Substances 0.000 claims 1
- 229910000514 dolomite Inorganic materials 0.000 claims 1
- 229920001131 Pulp (paper) Polymers 0.000 abstract description 10
- 238000012360 testing method Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 7
- 239000004927 clay Substances 0.000 description 5
- 229910052570 clay Inorganic materials 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 239000000454 talc Substances 0.000 description 4
- 229910052623 talc Inorganic materials 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- POFFJVRXOKDESI-UHFFFAOYSA-N 1,3,5,7-tetraoxa-4-silaspiro[3.3]heptane-2,6-dione Chemical compound O1C(=O)O[Si]21OC(=O)O2 POFFJVRXOKDESI-UHFFFAOYSA-N 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000009897 hydrogen peroxide bleaching Methods 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004076 pulp bleaching Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 235000013311 vegetables Nutrition 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
- 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
- D21H21/14—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 characterised by function or properties in or on the paper
- D21H21/32—Bleaching agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Detergent Compositions (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Wrappers (AREA)
- Cosmetics (AREA)
Claims (5)
1. Förfarande för att förbättra ljusheten hos en pappersprodukt genom att behandla den med blekningsmedel, 5 kännetecknat av att pappersprodukten är papper, som omfattar ett kalciumkarbonatfyllmedel och som har en för-sta ljushet pä grund av basmörkning, och vilket förfarande omfattar behandling av papper efter framställning därav med en effektiv mängd blekningsmedel, som har valts frän 10 en grupp dit väteperoxid, natriumborhydrid och natriumdi-tionit hör, för att ljusheten hos papperet som innehäller fyllmedel skall kunna höjas frän en första ljushet till en andra, högre ljushet.
2. Förfarande enligt patentkrav 1, känneteck-15 n a t av att kalciumkarbonatfyllmedlet omfattar en mineral som innehäller kalciumkarbonat, vilken mineral har valts frän en grupp dit kalksten, krita, dolomit och syntetiskt framställt utfällt kalciumkarbonat hör.
3. Förfarande enligt patentkrav 1, känneteck- 20 nat av att papperet som innehäller fyllmedel innehäller . 1-40 vikt-% av nämnda kalciumkarbonatfyllmedel.
,· ; 4. Förfarande enligt patentkrav 1, känneteck- ♦ t % nat av att blekningsmedlet erbjuds för användning som en l » 1. vattenhaltig lösning. * · ; · 25
5. Förfarande enligt patentkrav 4, känneteck- : n at av att den vattenhaltiga lösningen innehäller 0,1-50 V · vikt-% av nämnda blekningsmedel. » » » » * »
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US36525394A | 1994-12-28 | 1994-12-28 | |
US36525394 | 1994-12-28 | ||
PCT/US1995/014995 WO1996020308A1 (en) | 1994-12-28 | 1995-11-16 | Bleaching of filled paper |
US9514995 | 1995-11-16 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI972529A0 FI972529A0 (sv) | 1997-06-13 |
FI972529A FI972529A (sv) | 1997-06-13 |
FI115225B true FI115225B (sv) | 2005-03-31 |
Family
ID=23438095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI972529A FI115225B (sv) | 1994-12-28 | 1997-06-13 | Blekning av papper som innehåller fyllämne |
Country Status (20)
Country | Link |
---|---|
US (1) | US6602385B1 (sv) |
EP (1) | EP0800596B1 (sv) |
JP (1) | JPH10511746A (sv) |
CN (1) | CN1074073C (sv) |
AT (1) | ATE193346T1 (sv) |
AU (1) | AU708310B2 (sv) |
BR (1) | BR9510425A (sv) |
CA (1) | CA2209014A1 (sv) |
DE (1) | DE69517199T2 (sv) |
FI (1) | FI115225B (sv) |
IL (1) | IL116531A (sv) |
MX (1) | MX9704911A (sv) |
MY (1) | MY138634A (sv) |
NO (1) | NO972996L (sv) |
NZ (1) | NZ298222A (sv) |
PL (1) | PL321045A1 (sv) |
SK (1) | SK284917B6 (sv) |
TW (1) | TW367381B (sv) |
WO (1) | WO1996020308A1 (sv) |
ZA (1) | ZA9510015B (sv) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI112958B (sv) * | 1997-12-19 | 2004-02-13 | Kemira Oyj | Förfarande för blekning av kemisk massa och användning av en blekningslösning |
CA2285823C (en) * | 1998-10-28 | 2007-07-10 | Pulp And Paper Research Institute Of Canada | A method for reducing alkaline darkening of mechanical pulp containing a calcium carbonate filler |
US6899790B2 (en) | 2000-03-06 | 2005-05-31 | Georgia-Pacific Corporation | Method of providing papermaking fibers with durable curl |
US6627041B2 (en) | 2000-03-06 | 2003-09-30 | Georgia-Pacific Corporation | Method of bleaching and providing papermaking fibers with durable curl |
DE10120526A1 (de) * | 2001-04-26 | 2002-10-31 | Voith Paper Patent Gmbh | Verfahren zur Herstellung von Zellstoff |
DE10211292A1 (de) | 2002-03-14 | 2003-09-25 | Basf Ag | Verfahren zur Herstellung von gefälltem Calciumcarbonat mit hohem Weißgrad |
WO2005095709A1 (en) * | 2004-03-23 | 2005-10-13 | Imerys Pigments, Inc. | Effective reductive bleaching of mineral slurries |
GB0413068D0 (en) * | 2004-06-11 | 2004-07-14 | Imerys Minerals Ltd | Treatment of pulp |
KR101264450B1 (ko) * | 2005-01-21 | 2013-05-15 | 더 보잉 컴파니 | 변형제를 이용한 활성화 방법 |
JP4846405B2 (ja) * | 2006-03-27 | 2011-12-28 | 北越紀州製紙株式会社 | 紙配合熱可塑性樹脂組成物の製造方法 |
JP5506228B2 (ja) * | 2008-04-04 | 2014-05-28 | 丸尾カルシウム株式会社 | コロイド炭酸カルシウム填剤及びその製造方法、並びに該填剤を配合してなる樹脂組成物 |
US9932709B2 (en) * | 2013-03-15 | 2018-04-03 | Ecolab Usa Inc. | Processes and compositions for brightness improvement in paper production |
US20100224333A1 (en) | 2009-03-09 | 2010-09-09 | Prasad Duggirala | Method and chemical composition to improve efficiency of mechanical pulp |
JP2011073899A (ja) * | 2009-09-29 | 2011-04-14 | Okutama Kogyo Co Ltd | 軽質炭酸カルシウムの製造方法 |
TW201418545A (zh) * | 2012-11-13 | 2014-05-16 | Real Green Material Technology Corp | 以石頭製成之環保紙材及其製造方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2150926A (en) | 1937-07-03 | 1939-03-21 | Buffalo Electro Chem Co | Process of making and bleaching paper |
US2510595A (en) * | 1946-09-20 | 1950-06-06 | Buffalo Electro Chem Co | Method of bleaching groundwood |
US2613579A (en) | 1947-08-27 | 1952-10-14 | Buffalo Electro Chem Co | Sizing and bleaching a wet web |
DE1293019B (de) * | 1960-12-31 | 1969-04-17 | Stiftelsen Wallboardindustrien | Verfahren zur Erzeugung einer hochweissen Oberflaechenschicht auf Lignozellulose enthaltenden Gegenstaenden, wie Papierkarton |
JPS5274003A (en) * | 1975-07-23 | 1977-06-21 | Mitsubishi Chem Ind | Paper screening method |
US5181988A (en) * | 1988-07-08 | 1993-01-26 | Asahi Denka Kogyo Kabushiki Kaisha | Method for preventing the discoloration of paper and paper treated to prevent discoloring |
FI90680C (sv) * | 1992-04-24 | 1994-03-10 | Kymin Paperiteollisuus Oy | Blekning av en pappersbana medelst peroxid |
US5380361A (en) * | 1993-03-12 | 1995-01-10 | Minerals Technologies, Inc. | Modified filler material for alkaline paper and method of use thereof in alkaline paper making |
US5360515A (en) * | 1993-08-25 | 1994-11-01 | The Research Foundation Of The State University Of New York | Method for reducing thermal and light-induced brightness reversion in lignin-containing pulps |
-
1995
- 1995-11-16 MX MX9704911A patent/MX9704911A/es not_active IP Right Cessation
- 1995-11-16 NZ NZ298222A patent/NZ298222A/xx unknown
- 1995-11-16 SK SK719-97A patent/SK284917B6/sk unknown
- 1995-11-16 JP JP8520446A patent/JPH10511746A/ja not_active Ceased
- 1995-11-16 DE DE69517199T patent/DE69517199T2/de not_active Expired - Fee Related
- 1995-11-16 BR BR9510425A patent/BR9510425A/pt not_active IP Right Cessation
- 1995-11-16 WO PCT/US1995/014995 patent/WO1996020308A1/en active IP Right Grant
- 1995-11-16 EP EP95942429A patent/EP0800596B1/en not_active Expired - Lifetime
- 1995-11-16 PL PL95321045A patent/PL321045A1/xx unknown
- 1995-11-16 CA CA002209014A patent/CA2209014A1/en not_active Abandoned
- 1995-11-16 AT AT95942429T patent/ATE193346T1/de not_active IP Right Cessation
- 1995-11-16 AU AU43656/96A patent/AU708310B2/en not_active Ceased
- 1995-11-16 CN CN95197131A patent/CN1074073C/zh not_active Expired - Fee Related
- 1995-11-24 ZA ZA9510015A patent/ZA9510015B/xx unknown
- 1995-12-19 MY MYPI95003930A patent/MY138634A/en unknown
- 1995-12-22 IL IL11653195A patent/IL116531A/xx not_active IP Right Cessation
-
1996
- 1996-01-06 TW TW085100116A patent/TW367381B/zh active
-
1997
- 1997-01-28 US US08/790,144 patent/US6602385B1/en not_active Expired - Fee Related
- 1997-06-13 FI FI972529A patent/FI115225B/sv not_active IP Right Cessation
- 1997-06-26 NO NO972996A patent/NO972996L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US6602385B1 (en) | 2003-08-05 |
DE69517199T2 (de) | 2000-12-14 |
PL321045A1 (en) | 1997-11-24 |
NZ298222A (en) | 1999-07-29 |
BR9510425A (pt) | 1998-07-07 |
ZA9510015B (en) | 1996-06-04 |
CN1074073C (zh) | 2001-10-31 |
TW367381B (en) | 1999-08-21 |
ATE193346T1 (de) | 2000-06-15 |
DE69517199D1 (de) | 2000-06-29 |
SK284917B6 (sk) | 2006-02-02 |
FI972529A0 (sv) | 1997-06-13 |
MX9704911A (es) | 1997-10-31 |
WO1996020308A1 (en) | 1996-07-04 |
FI972529A (sv) | 1997-06-13 |
NO972996L (no) | 1997-08-15 |
IL116531A (en) | 2000-06-01 |
EP0800596B1 (en) | 2000-05-24 |
CN1171827A (zh) | 1998-01-28 |
CA2209014A1 (en) | 1996-07-04 |
JPH10511746A (ja) | 1998-11-10 |
SK71997A3 (en) | 1997-10-08 |
MY138634A (en) | 2009-07-31 |
IL116531A0 (en) | 1996-03-31 |
AU4365696A (en) | 1996-07-19 |
NO972996D0 (no) | 1997-06-26 |
EP0800596A1 (en) | 1997-10-15 |
AU708310B2 (en) | 1999-07-29 |
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