GB194693A - Improved process for rapidly and uniformly ripening alkali cellulose intended for the manufacture of cellulose xanthate - Google Patents
Improved process for rapidly and uniformly ripening alkali cellulose intended for the manufacture of cellulose xanthateInfo
- Publication number
- GB194693A GB194693A GB6015/23A GB601523A GB194693A GB 194693 A GB194693 A GB 194693A GB 6015/23 A GB6015/23 A GB 6015/23A GB 601523 A GB601523 A GB 601523A GB 194693 A GB194693 A GB 194693A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ripening
- cellulose
- rapidly
- manufacture
- improved process
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
- C08B1/08—Alkali cellulose
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
The ripening of alkali cellulose is rendered more rapid and uniform by heating the mass, with agitation, to 50-60 DEG C. for a few hours, say, 2-8 hours. Conveniently, the mass is heated in a rotary drum provided with a jacket or worm through which air or water at a temperature of 50-60 DEG C. is passed; and on completion of the ripening and before conversion into viscose, the mass is cooled by passing cold water through the jacket or worm, or by sprinkling the exterior of the drum with cold water. By the more rapid and uniform ripening, a greater yield of artificial silk is obtained from the resulting viscose solution.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR194693X | 1922-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB194693A true GB194693A (en) | 1923-09-06 |
Family
ID=8879401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB6015/23A Expired GB194693A (en) | 1922-03-07 | 1923-03-01 | Improved process for rapidly and uniformly ripening alkali cellulose intended for the manufacture of cellulose xanthate |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB194693A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6060857A (en) * | 1997-12-12 | 2000-05-09 | Mad Lighting Limited | Stepper motor controller |
| WO2016177534A1 (en) * | 2015-05-06 | 2016-11-10 | Södra Skogsägarna Ekonomisk Förening | A method of treating cellulose pulp |
-
1923
- 1923-03-01 GB GB6015/23A patent/GB194693A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6060857A (en) * | 1997-12-12 | 2000-05-09 | Mad Lighting Limited | Stepper motor controller |
| WO2016177534A1 (en) * | 2015-05-06 | 2016-11-10 | Södra Skogsägarna Ekonomisk Förening | A method of treating cellulose pulp |
| US10858781B2 (en) | 2015-05-06 | 2020-12-08 | Södra Skogsägarna Ekonomisk Förening | Method of treating cellulose pulp |
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