FR2283988A1 - Preparation de pate au sulfite - Google Patents
Preparation de pate au sulfiteInfo
- Publication number
- FR2283988A1 FR2283988A1 FR7527116A FR7527116A FR2283988A1 FR 2283988 A1 FR2283988 A1 FR 2283988A1 FR 7527116 A FR7527116 A FR 7527116A FR 7527116 A FR7527116 A FR 7527116A FR 2283988 A1 FR2283988 A1 FR 2283988A1
- Authority
- FR
- France
- Prior art keywords
- liquor
- norbornyl
- hexyl
- methyl
- strength
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/222—Use of compounds accelerating the pulping processes
Landscapes
- Paper (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7411268A SE384883B (sv) | 1974-09-06 | 1974-09-06 | Sett att oka cellulosautbytet vid sulfitkokning av ved |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2283988A1 true FR2283988A1 (fr) | 1976-04-02 |
FR2283988B1 FR2283988B1 (de) | 1978-12-08 |
Family
ID=20322071
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7527116A Granted FR2283988A1 (fr) | 1974-09-06 | 1975-09-04 | Preparation de pate au sulfite |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS5153002A (de) |
AT (1) | AT344498B (de) |
CA (1) | CA1057008A (de) |
CH (1) | CH600036A5 (de) |
DE (1) | DE2537785A1 (de) |
FI (1) | FI58521C (de) |
FR (1) | FR2283988A1 (de) |
NO (1) | NO144577C (de) |
SE (1) | SE384883B (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2816473A1 (de) * | 1978-04-15 | 1979-10-25 | Bayer Ag | Dispersion zur verwendung bei der zellstoffgewinnung |
DE2827111A1 (de) * | 1978-06-21 | 1980-01-10 | Bayer Ag | Mittel zur verwendung bei der zellstoffgewinnung |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE336535C (de) * | 1919-12-02 | 1921-05-03 | Zellstoff Und Papierfabrikatio | Verfahren zur Herstellung reinster Zellulose von baumwoll- oder wollartiger Beschaffenheit aus Vegetabilien mittels saurer Sulfitlaugen |
-
1974
- 1974-09-06 SE SE7411268A patent/SE384883B/xx unknown
-
1975
- 1975-08-25 DE DE19752537785 patent/DE2537785A1/de not_active Withdrawn
- 1975-08-27 CH CH1108775A patent/CH600036A5/xx not_active IP Right Cessation
- 1975-09-01 AT AT670575A patent/AT344498B/de not_active IP Right Cessation
- 1975-09-03 NO NO753029A patent/NO144577C/no unknown
- 1975-09-04 FR FR7527116A patent/FR2283988A1/fr active Granted
- 1975-09-05 CA CA234,872A patent/CA1057008A/en not_active Expired
- 1975-09-05 JP JP50108467A patent/JPS5153002A/ja active Pending
- 1975-09-05 FI FI752508A patent/FI58521C/fi not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE336535C (de) * | 1919-12-02 | 1921-05-03 | Zellstoff Und Papierfabrikatio | Verfahren zur Herstellung reinster Zellulose von baumwoll- oder wollartiger Beschaffenheit aus Vegetabilien mittels saurer Sulfitlaugen |
Also Published As
Publication number | Publication date |
---|---|
CA1057008A (en) | 1979-06-26 |
CH600036A5 (de) | 1978-06-15 |
JPS5153002A (en) | 1976-05-11 |
NO144577C (no) | 1981-09-23 |
FI752508A (de) | 1976-03-07 |
AT344498B (de) | 1978-07-25 |
ATA670575A (de) | 1977-11-15 |
SE7411268L (sv) | 1976-03-08 |
FI58521C (fi) | 1981-02-10 |
FR2283988B1 (de) | 1978-12-08 |
NO144577B (no) | 1981-06-15 |
SE384883B (sv) | 1976-05-24 |
NO753029L (de) | 1976-03-09 |
FI58521B (fi) | 1980-10-31 |
DE2537785A1 (de) | 1976-03-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE64140T1 (de) | Gewinnung von lignin. | |
GB1509568A (en) | Delignification and bleaching of cellulose pulp with oxygen | |
JPS55103393A (en) | Production of paper with high dry strength and low wet strength | |
GB1122287A (en) | Paper and compositions for use in the production thereof | |
FR2283988A1 (fr) | Preparation de pate au sulfite | |
ES452464A1 (es) | Procedimiento para la preparacion de sulfosucinatos de dial-quilo. | |
GB945307A (en) | Papermaking process and product | |
GB1470070A (en) | Process for the flame-profing impregnation of wood | |
ATE12110T1 (de) | Verfahren zur herstellung von epoxyalkanen. | |
JPS53139693A (en) | Production of polymer with good water and oil reprellency | |
GB1505070A (en) | Process for bleaching of lignocellulosic material | |
ES427511A1 (es) | Un procedimiento para la preparacion de triacetonamina. | |
ATE83016T1 (de) | Peroxid-bleichverfahren. | |
ES8802065A1 (es) | Procedimiento de preparacion de celulosa modificada. | |
ES391381A1 (es) | Procedimiento de preparacion de flavon-7-oxiacetatos de al-quilo inferior. | |
ES456679A1 (es) | Un procedimiento de preparacion de celulosa alcalina. | |
RU93042321A (ru) | Древесноволокнистый материал, способ изготовления древесноволокнистого материала и способ приготовления связующего для древесноволокнистого материала | |
GB1345123A (en) | Thermosetting vinyl ester emulsion copolymers | |
GB1310798A (en) | Sink unit | |
GB1025648A (en) | Production of pentaerythritol and dipentaerythritol | |
ZA771491B (en) | Process of increasing the yield of pulp by oxygen pretreatment of wood chips prior to chemical pulping | |
EP0287178A3 (de) | Verfahren zur Herstellung von mit Polymeren gepfropften Cellulosefasern | |
GB540149A (en) | Improvements in or relating to the drying of wood veneers or the like | |
FR2157483A5 (en) | Acrylic synthetic paper - with wet strength superior to that of pulp paper | |
GB1135832A (en) | Organic peroxidic compounds |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |