GB497733A - Improvements in and relating to the treatment of cellulose - Google Patents
Improvements in and relating to the treatment of celluloseInfo
- Publication number
- GB497733A GB497733A GB8366/37A GB836637A GB497733A GB 497733 A GB497733 A GB 497733A GB 8366/37 A GB8366/37 A GB 8366/37A GB 836637 A GB836637 A GB 836637A GB 497733 A GB497733 A GB 497733A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cellulose
- lye
- webs
- sheets
- mercerizing
- 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
- C08B1/10—Apparatus for the preparation of 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)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
Webs or sheets of cellulose are first improved or mercerized, and are then alkalized in a second operation. The lye resulting from the alkalizing step may be used for the improving. The mercerizing lye is preferably at a lower temperature and concentration than the alkalizing lye, and the mercerizing or alkalizing operation may be carried out with the webs or sheets of cellulose running countercurrent to the lye. The webs or sheets of cellulose are caused to enter the improving or mercerizing bath at a speed higher than that at which they pass through the bath. The cellulose leaving the baths may be immediately ripened, cooled and sulphidized. Where more than one web or sheet of cellulose is treated, they are kept separate from one another above the surface of the liquid.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE497733X | 1936-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB497733A true GB497733A (en) | 1938-12-22 |
Family
ID=6545214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8366/37A Expired GB497733A (en) | 1936-04-27 | 1937-03-22 | Improvements in and relating to the treatment of cellulose |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB497733A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2646341A (en) * | 1948-11-23 | 1953-07-21 | Cluett Peabody & Co Inc | Method of obtaining luster in cotton fabric by mercerizing and calendering the fabric |
-
1937
- 1937-03-22 GB GB8366/37A patent/GB497733A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2646341A (en) * | 1948-11-23 | 1953-07-21 | Cluett Peabody & Co Inc | Method of obtaining luster in cotton fabric by mercerizing and calendering the fabric |
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