FR2274727A1 - Procede de renforcement d'une matiere lignocellulosique preparee mecaniquement - Google Patents
Procede de renforcement d'une matiere lignocellulosique preparee mecaniquementInfo
- Publication number
- FR2274727A1 FR2274727A1 FR7518080A FR7518080A FR2274727A1 FR 2274727 A1 FR2274727 A1 FR 2274727A1 FR 7518080 A FR7518080 A FR 7518080A FR 7518080 A FR7518080 A FR 7518080A FR 2274727 A1 FR2274727 A1 FR 2274727A1
- Authority
- FR
- France
- Prior art keywords
- reinforcing
- lignocellulosic material
- mechanically prepared
- prepared lignocellulosic
- mechanically
- Prior art date
- 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.)
- Granted
Links
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
- 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
-
- 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
- D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
-
- 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
- D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2584674A GB1505076A (en) | 1974-06-11 | 1974-06-11 | Strenghening of mechanical pulp by chemical treatment |
GB2684674A GB1434703A (en) | 1973-06-19 | 1974-06-18 | Webbers for the textile industry |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2274727A1 true FR2274727A1 (fr) | 1976-01-09 |
FR2274727B1 FR2274727B1 (fr) | 1979-03-30 |
Family
ID=26257907
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7518080A Granted FR2274727A1 (fr) | 1974-06-11 | 1975-06-10 | Procede de renforcement d'une matiere lignocellulosique preparee mecaniquement |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2526085C3 (fr) |
FR (1) | FR2274727A1 (fr) |
GB (1) | GB1505076A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8268122B2 (en) | 2005-12-02 | 2012-09-18 | Akzo Nobel N.V. | Process of producing high-yield pulp |
RU2380466C1 (ru) * | 2005-12-02 | 2010-01-27 | Акцо Нобель Н.В. | Способ получения целлюлозы с высоким содержанием альфа-целлюлозы |
US7976676B2 (en) * | 2006-12-18 | 2011-07-12 | International Paper Company | Process of bleaching softwood pulps in a D1 or D2 stage in a presence of a weak base |
US7976677B2 (en) | 2006-12-18 | 2011-07-12 | International Paper Company | Process of bleaching hardwood pulps in a D1 or D2 stage in a presence of a weak base |
-
1974
- 1974-06-11 GB GB2584674A patent/GB1505076A/en not_active Expired
-
1975
- 1975-06-10 FR FR7518080A patent/FR2274727A1/fr active Granted
- 1975-06-11 DE DE19752526085 patent/DE2526085C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2274727B1 (fr) | 1979-03-30 |
DE2526085C3 (de) | 1980-06-12 |
DE2526085B2 (de) | 1979-09-13 |
GB1505076A (en) | 1978-03-22 |
AU8186375A (en) | 1976-12-09 |
DE2526085A1 (de) | 1976-01-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |