FI893372L - Förfarande för framställning av blekta kemitermomekaniska massor - Google Patents

Förfarande för framställning av blekta kemitermomekaniska massor Download PDF

Info

Publication number: FI893372L
Authority: FI; Finland
Prior art keywords: bleached chemithermomechanical; chemithermomechanical pulps; preparing bleached; preparing; pulps
Prior art date: 1988-07-12

Application number

FI893372A

Other languages

English (en)

Finnish (fi)

Other versions

FI96522C (sv

FI893372A0 (sv

FI96522B (sv

Inventor

Michel Devic

Original Assignee

Atochem

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.)

1988-07-12

Filing date

1989-07-11

Publication date

1990-01-13

1989-07-11 Application filed by Atochem filed Critical Atochem

1989-07-11 Publication of FI893372A0 publication Critical patent/FI893372A0/sv

1990-01-13 Publication of FI893372L publication Critical patent/FI893372L/sv

1996-03-29 Application granted granted Critical

1996-03-29 Publication of FI96522B publication Critical patent/FI96522B/sv

1996-07-10 Publication of FI96522C publication Critical patent/FI96522C/sv

Classifications

- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
- D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
- 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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Seasonings (AREA)
Glass Compositions (AREA)
Adhesives Or Adhesive Processes (AREA)
Preparation Of Compounds By Using Micro-Organisms (AREA)
Thermotherapy And Cooling Therapy Devices (AREA)
Physical Or Chemical Processes And Apparatus (AREA)

FI893372A 1988-07-12 1989-07-11 Förfarande för framställning av blekta kemitermomekaniska massor FI96522C (sv)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR8809703A FR2634233B1 (fr)	1988-07-12	1988-07-12	Procede de fabrication de pates chimicothermomecaniques blanchies
FR8809703		1988-07-12

Publications (4)

Publication Number	Publication Date
FI893372A0 FI893372A0 (sv)	1989-07-11
FI893372L true FI893372L (sv)	1990-01-13
FI96522B FI96522B (sv)	1996-03-29
FI96522C FI96522C (sv)	1996-07-10

Family

ID=9368520

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI893372A FI96522C (sv)	1988-07-12	1989-07-11	Förfarande för framställning av blekta kemitermomekaniska massor

Country Status (12)

Country	Link
EP (1)	EP0351330B1 (sv)
JP (1)	JPH0268377A (sv)
AT (1)	ATE171741T1 (sv)
AU (1)	AU616541B2 (sv)
CA (1)	CA1335406C (sv)
DE (2)	DE351330T1 (sv)
ES (1)	ES2012324T3 (sv)
FI (1)	FI96522C (sv)
FR (1)	FR2634233B1 (sv)
NO (1)	NO176726C (sv)
NZ (1)	NZ229902A (sv)
PT (1)	PT91128B (sv)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2615874B1 (fr) *	1987-05-25	1992-02-21	Atochem	Procede de preparation de pates chimicothermomecaniques
FR2675518B1 (fr) *	1991-04-17	1996-10-18	Atochem	Procede de preparation de pate a papier a haut rendement et blanchie, a partir de copeaux de bois.
US20030062138A1 (en) *	2001-05-09	2003-04-03	Hache Maurice Joseph Albert	Method for brightening mechanical pulps
JP4501329B2 (ja) *	2002-03-29	2010-07-14	日本製紙株式会社	グラビア印刷用塗工紙
US8784607B2 (en) *	2007-04-24	2014-07-22	Basf Se	Process for the production of bleached wood particles and pale to white wood-base materials
US20100224333A1 (en) *	2009-03-09	2010-09-09	Prasad Duggirala	Method and chemical composition to improve efficiency of mechanical pulp
US9932709B2 (en)	2013-03-15	2018-04-03	Ecolab Usa Inc.	Processes and compositions for brightness improvement in paper production
EP2924166A1 (de) *	2014-03-25	2015-09-30	Basf Se	Verfahren zur Herstellung von gebleichtem Holzfaserstoff

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE834808C (de) *	1950-08-31	1952-03-24	Degussa	Verfahren zum Bleichen von mechanisch erzeugten, schwer bleichbaren Faserstoffen, insbesondere Holzschliff
US3284283A (en) *	1964-02-17	1966-11-08	Fmc Corp	Production of wood pulps including treatment of cellulosic fibers with bisulfite ion followed by alkali metal borohydride
SE416481B (sv) *	1977-05-02	1981-01-05	Mo Och Domsjoe Ab	Fofarande och anordning for behandling av vedflis for avlegsnande av tungmetaller och harts
CA1212505A (en) *	1984-07-17	1986-10-14	Rudy Vit	Method, process and apparatus for converting wood, wood residue and or biomass into pulp
US4718980A (en) *	1985-12-30	1988-01-12	Weyerhaeuser Company	Interstage treatment of mechanical pulp
FR2615874B1 (fr) *	1987-05-25	1992-02-21	Atochem	Procede de preparation de pates chimicothermomecaniques
SE460124B (sv) *	1988-09-14	1989-09-11	Sunds Defibrator	Saett foer framstaellning av kemimekanisk massa av loevved

1988
- 1988-07-12 FR FR8809703A patent/FR2634233B1/fr not_active Expired - Fee Related
1989
- 1989-07-06 EP EP89420245A patent/EP0351330B1/fr not_active Expired - Lifetime
- 1989-07-06 AT AT89420245T patent/ATE171741T1/de not_active IP Right Cessation
- 1989-07-06 NO NO892805A patent/NO176726C/no unknown
- 1989-07-06 DE DE198989420245T patent/DE351330T1/de active Pending
- 1989-07-06 DE DE68928822T patent/DE68928822T2/de not_active Expired - Fee Related
- 1989-07-06 ES ES89420245T patent/ES2012324T3/es not_active Expired - Lifetime
- 1989-07-11 CA CA000605392A patent/CA1335406C/fr not_active Expired - Fee Related
- 1989-07-11 FI FI893372A patent/FI96522C/sv not_active IP Right Cessation
- 1989-07-11 PT PT91128A patent/PT91128B/pt not_active IP Right Cessation
- 1989-07-11 AU AU37999/89A patent/AU616541B2/en not_active Ceased
- 1989-07-11 NZ NZ229902A patent/NZ229902A/xx unknown
- 1989-07-12 JP JP1180113A patent/JPH0268377A/ja active Granted

Also Published As

Publication number	Publication date
FI96522C (sv)	1996-07-10
NO892805D0 (no)	1989-07-06
FI893372A0 (sv)	1989-07-11
FR2634233B1 (fr)	1995-04-14
PT91128A (pt)	1990-02-08
DE68928822T2 (de)	1999-05-27
NO892805L (no)	1990-01-15
NO176726C (no)	1995-05-16
AU616541B2 (en)	1991-10-31
FR2634233A1 (fr)	1990-01-19
ES2012324A4 (es)	1990-03-16
ATE171741T1 (de)	1998-10-15
EP0351330B1 (fr)	1998-09-30
NO176726B (no)	1995-02-06
CA1335406C (fr)	1995-05-02
JPH0268377A (ja)	1990-03-07
DE68928822D1 (de)	1998-11-05
ES2012324T3 (es)	1998-11-16
EP0351330A1 (fr)	1990-01-17
FI96522B (sv)	1996-03-29
JPH0250236B2 (sv)	1990-11-01
DE351330T1 (de)	1990-06-13
PT91128B (pt)	1994-12-30
NZ229902A (en)	1991-09-25
AU3799989A (en)	1990-01-18

Publication	Publication Date	Title
FI906303A7 (sv)	1990-12-20	Pappersframställningsförfarande
FI952509A7 (sv)	1995-05-23	Förfarande för framställning av viskoscellulosamassar
FI914538A7 (sv)	1991-09-26	Förbättrat förfarande för framställning av massa
FI945856A0 (sv)	1994-12-13	Förfarande för framställning av level-off-DP-cellulosa
FI921305A7 (sv)	1992-03-25	Förfarande för framställning av kemimekanisk och/eller kemitermomikani sk massa
FI905299A7 (sv)	1990-10-26	Massabehandlingsförfaranden
FI890700L (sv)	1990-08-15	Förfarande för blekning av cellulosamassa
LV10215A (lv)	1994-10-20	Zagesanas masina
FI895676L (sv)	1991-05-28	Förfarande för tillverkning av massa
KR900700563A (ko)	1990-08-16	기계부품
FI962477A7 (sv)	1996-08-14	Förfarande för framställning av blekt cellulosamassa
FI906400L (sv)	1991-06-30	Sätt att bleka massa
FI893372L (sv)	1990-01-13	Förfarande för framställning av blekta kemitermomekaniska massor
FI911118L (sv)	1991-09-08	Förfarande för framställning av högutbytesmassor
FI881544L (sv)	1988-10-03	Förfarande för blekning av mekanisk massa
FI911963A7 (sv)	1991-10-26	Förfarande för blekning av massa
FI892741A7 (sv)	1989-12-07	Sätt att framställa massa
FI882448L (sv)	1988-11-26	Förfarande för framställning av blekt kemitermomekanisk massa
FI904456A7 (sv)	1991-03-13	Förfarande för blekning av cellulosa
NO171910C (no)	1993-05-19	Fremgangsmaate for fremstilling av 1-alkyl-5-nitroimidazoler
FI905954A7 (sv)	1992-06-04	Förfarande för blekning av cellulosamassa
FI900632A7 (sv)	1990-08-11	Cellulosaderivator
FI900544A7 (sv)	1991-10-18	Förfarande för tillverkning av massa
FI906401A0 (sv)	1990-12-27	Sätt att bleka massa
FI944696A7 (sv)	1994-11-22	Förfarande för framställning av kemitermomekaniska massor

Legal Events

Date	Code	Title	Description
1996-03-01	BB	Publication of examined application
2004-08-31	FG	Patent granted	Owner name: ATOCHEM
2008-01-31	MA	Patent expired