MD166C2 - Method of cellulose solutions preparation in water tertric amine oxide and apparatus for realizing thereof - Google Patents
Method of cellulose solutions preparation in water tertric amine oxide and apparatus for realizing thereofInfo
- Publication number
- MD166C2 MD166C2 MD94-0307A MD940307A MD166C2 MD 166 C2 MD166 C2 MD 166C2 MD 940307 A MD940307 A MD 940307A MD 166 C2 MD166 C2 MD 166C2
- Authority
- MD
- Moldova
- Prior art keywords
- vessel
- cellulose
- tertric
- water
- shaft
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 title abstract 5
- 239000001913 cellulose Substances 0.000 title abstract 5
- 150000001412 amines Chemical class 0.000 title abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title 1
- 239000006185 dispersion Substances 0.000 abstract 2
- 239000000725 suspension Substances 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 1
- 230000002085 persistent effect Effects 0.000 abstract 1
Landscapes
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
The summary of the invention consists in the fact that cellulose dispersion in the water-oxide tertric amine mixture persistently is introduced into apparatus and is realized persistent motion of dispersion in form of layer with thickness of 1,5-15 mm distributed on the surface and heated up to temperature of 70-80°C at pressure 100-150 mbar during 3 - 4 min. Radial distance from mixing blades to inner wall of vessel is selected no more the 20 min. Inlet branch pipe for cellulose suspension is situated on the upper part of the vessel. The outlet branch pipe for homogenous solution of cellulose is situated on the lower part of the vessel.The apparatus also is equipped with the distributed ring installed on the mixing shaft for distribution of cellulose suspension on the inner wall of the vessel. The mixing blades are placed on the shaft having the possibiliy of angle inclination changing relatively to the axis of shaft.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT2036/88A AT392972B (en) | 1988-08-16 | 1988-08-16 | METHOD FOR PRODUCING SOLUTIONS OF CELLULOSE AND DEVICE FOR IMPLEMENTING THE METHOD |
| SU894614835A SU1797630A3 (en) | 1988-08-16 | 1989-08-15 | Method of obtaining cellulose solutions in water-containing mixture of tertiary amineoxide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MD166B1 MD166B1 (en) | 1995-02-28 |
| MD166C2 true MD166C2 (en) | 1995-09-30 |
Family
ID=25597485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MD94-0307A MD166C2 (en) | 1988-08-16 | 1994-09-28 | Method of cellulose solutions preparation in water tertric amine oxide and apparatus for realizing thereof |
Country Status (1)
| Country | Link |
|---|---|
| MD (1) | MD166C2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2001320A (en) * | 1977-07-26 | 1979-01-31 | Akzona Inc | Process for making amine oxide solution of cellulose |
-
1994
- 1994-09-28 MD MD94-0307A patent/MD166C2/en active IP Right Grant
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2001320A (en) * | 1977-07-26 | 1979-01-31 | Akzona Inc | Process for making amine oxide solution of cellulose |
Non-Patent Citations (1)
| Title |
|---|
| SU 1058596, 01 J 19 / 00, 1982, 0 * |
Also Published As
| Publication number | Publication date |
|---|---|
| MD166B1 (en) | 1995-02-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG4A | Patent for invention issued | ||
| IF99 | Valid patent on 19990615 |
Free format text: EXPIRES: 20090814 |