GB160482A - Process for the treatment of wood or other substances containing cellulose for the purpose of obtaining cellulose and artificial resin, asphalt, lac and the like - Google Patents
Process for the treatment of wood or other substances containing cellulose for the purpose of obtaining cellulose and artificial resin, asphalt, lac and the likeInfo
- Publication number
- GB160482A GB160482A GB2550219A GB2550219A GB160482A GB 160482 A GB160482 A GB 160482A GB 2550219 A GB2550219 A GB 2550219A GB 2550219 A GB2550219 A GB 2550219A GB 160482 A GB160482 A GB 160482A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wood
- cellulose
- lac
- asphalt
- phenols
- 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
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
- D21C3/003—Pulping cellulose-containing materials with organic compounds
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Paints Or Removers (AREA)
- Catalysts (AREA)
- Working-Up Tar And Pitch (AREA)
Abstract
The resinous product obtained in the extraction of cellulose from wood, wood waste, paper waste, grasses, &c. by heating with phenols and a catalyst such as hydrochloric acid, is used in the preparation of marine glue and sizes.ALSO:Cellulose is obtained from wood, wood waste, paper waste, grass, &c. with the simultaneous production of artificial resin, lac, asphalt, &c., by heating with phenols or with substances of a phenol-like character in the presence of a small proportion of a catalyst such as hydrochloric acid. The raw cellulose, for example, in the form of small pieces of wood, is heated with molten phenol, with or without a diluent such as water, alcohol, or benzol, and when sufficiently opened up, the cellulose is separated, excess of phenol recovered from the separated liquid, and the resin or lac finally isolated. The product obtained is a substitute for natural resins, pitch, asphalt, and lac, and may be used in the preparation of marine glue, sealing-wax, varnishes, and size. A prior process for condensing phenols with furfural is mentioned.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE326705T | 1919-10-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB160482A true GB160482A (en) | 1921-03-17 |
Family
ID=10228728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2550219A Expired GB160482A (en) | 1919-10-17 | 1919-10-17 | Process for the treatment of wood or other substances containing cellulose for the purpose of obtaining cellulose and artificial resin, asphalt, lac and the like |
Country Status (2)
| Country | Link |
|---|---|
| DE (2) | DE326705C (en) |
| GB (1) | GB160482A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5374101A (en) * | 1976-12-10 | 1978-07-01 | Honshu Paper Co Ltd | Pulp making method |
| ATE5541T1 (en) * | 1980-06-20 | 1983-12-15 | Battelle Memorial Institute | PROCESSES FOR DELIGNIFICATION OF WOOD AND OTHER LIGNOCELLULOSIC MATERIALS. |
-
1918
- 1918-07-08 DE DE1918326705D patent/DE326705C/en not_active Expired
-
1919
- 1919-10-17 GB GB2550219A patent/GB160482A/en not_active Expired
- 1919-11-27 DE DE1919328783D patent/DE328783C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE328783C (en) | 1920-11-05 |
| DE326705C (en) | 1920-09-30 |
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