FR836072A - Process for obtaining cellulose for rayon from coniferous pine wood - Google Patents
Process for obtaining cellulose for rayon from coniferous pine woodInfo
- Publication number
- FR836072A FR836072A FR836072DA FR836072A FR 836072 A FR836072 A FR 836072A FR 836072D A FR836072D A FR 836072DA FR 836072 A FR836072 A FR 836072A
- Authority
- FR
- France
- Prior art keywords
- rayon
- pine wood
- obtaining cellulose
- coniferous
- coniferous pine
- 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.)
- Expired
Links
- 235000008331 Pinus X rigitaeda Nutrition 0.000 title 1
- 235000011613 Pinus brutia Nutrition 0.000 title 1
- 241000018646 Pinus brutia Species 0.000 title 1
- 229920000297 Rayon Polymers 0.000 title 1
- 229920002678 cellulose Polymers 0.000 title 1
- 239000001913 cellulose Substances 0.000 title 1
- 239000002964 rayon Substances 0.000 title 1
- 239000002023 wood Substances 0.000 title 1
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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT526399X | 1938-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR836072A true FR836072A (en) | 1939-01-10 |
Family
ID=11277364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR836072D Expired FR836072A (en) | 1938-03-16 | 1938-04-02 | Process for obtaining cellulose for rayon from coniferous pine wood |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR836072A (en) |
| GB (1) | GB526399A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1098804B (en) * | 1959-05-12 | 1961-02-02 | Aschaffenburger Zellstoffwerke | Process for pretreating wood prior to sulphite boiling |
| US3177110A (en) * | 1961-07-24 | 1965-04-06 | Aschaffenburger Zellstoffwerke | Process for pretreating wood for the production of cellulose |
| JP6572009B2 (en) | 2015-06-19 | 2019-09-04 | 株式会社久保田製作所 | Centrifuge swing type rotor bucket |
-
1938
- 1938-04-02 FR FR836072D patent/FR836072A/en not_active Expired
-
1939
- 1939-03-15 GB GB8287/39A patent/GB526399A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB526399A (en) | 1940-09-17 |
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