GB375399A - Process for the purification of cellulose benzyl ether, and products obtained thereby - Google Patents
Process for the purification of cellulose benzyl ether, and products obtained therebyInfo
- Publication number
- GB375399A GB375399A GB917031A GB917031A GB375399A GB 375399 A GB375399 A GB 375399A GB 917031 A GB917031 A GB 917031A GB 917031 A GB917031 A GB 917031A GB 375399 A GB375399 A GB 375399A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cellulose
- benzene
- toluene
- aliphatic
- organic solvent
- 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
- C08B11/00—Preparation of cellulose ethers
- C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
- C08B11/22—Isolation
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
Benzyl cellulose, such as the crude benzylated cellulose mass, is purified by extraction with an organic solvent having no coagulating action and little or no swelling action on benzyl cellulose, with or without a previous washing with water. As the organic solvent, a mixture of aliphatic and aromatic hydrocarbons is preferred, for example, a mixture of one or more of benzene, toluene, and xylene with one or more of the lower boiling members of the paraffin series, such as ligroin, petroleum ether, white spirits, light paraffin oil, and petrol. Naturally-occurring hydrocarbons containing both aliphatic and aromatic hydrocarbons may be employed. In examples, the following solvents are used, (1) toluene and petroleum ether, (2) low-boiling paraffins and benzene. Washing with water follows in each case. Specifications 265,491, [Class 2 (ii), Cellulose &c], and 364,142 are referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB917031A GB375399A (en) | 1931-03-25 | 1931-03-25 | Process for the purification of cellulose benzyl ether, and products obtained thereby |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB917031A GB375399A (en) | 1931-03-25 | 1931-03-25 | Process for the purification of cellulose benzyl ether, and products obtained thereby |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB375399A true GB375399A (en) | 1932-06-27 |
Family
ID=9866749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB917031A Expired GB375399A (en) | 1931-03-25 | 1931-03-25 | Process for the purification of cellulose benzyl ether, and products obtained thereby |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB375399A (en) |
-
1931
- 1931-03-25 GB GB917031A patent/GB375399A/en not_active Expired
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