GB167201A - Improvements in processes for making viscose - Google Patents
Improvements in processes for making viscoseInfo
- Publication number
- GB167201A GB167201A GB3116/20A GB311620A GB167201A GB 167201 A GB167201 A GB 167201A GB 3116/20 A GB3116/20 A GB 3116/20A GB 311620 A GB311620 A GB 311620A GB 167201 A GB167201 A GB 167201A
- Authority
- GB
- United Kingdom
- Prior art keywords
- processes
- making viscose
- viscose
- making
- atmospheres
- 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
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
- D01F2/08—Composition of the spinning solution or the bath
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Artificial Filaments (AREA)
- Jellies, Jams, And Syrups (AREA)
Abstract
More rapid penetration of cellulose by caustic alkali solution in the preparation of viscose, is obtained if the materials, after being subjected to a vacuum according to the parent Specification, are submitted to an increased pressure of about 3-4 atmospheres.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR522182T | 1920-01-10 | ||
DE352962T | 1920-01-21 | ||
GB2056/20A GB167199A (en) | 1920-01-10 | 1920-01-22 | Improvements in processes for the treatment of viscose |
CH86848T | 1920-01-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB167201A true GB167201A (en) | 1921-08-02 |
Family
ID=40361485
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2056/20A Expired GB167199A (en) | 1920-01-10 | 1920-01-22 | Improvements in processes for the treatment of viscose |
GB3116/20A Expired GB167201A (en) | 1920-01-10 | 1920-02-02 | Improvements in processes for making viscose |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2056/20A Expired GB167199A (en) | 1920-01-10 | 1920-01-22 | Improvements in processes for the treatment of viscose |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH86848A (en) |
DE (2) | DE352962C (en) |
FR (2) | FR522182A (en) |
GB (2) | GB167199A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2592355A (en) * | 1949-11-21 | 1952-04-08 | Tachikawa Shozo | Process for manufacturing macromolecular cellulose fiber |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2530403A (en) * | 1946-11-21 | 1950-11-21 | Stewart E Seaman | Continuous xanthation |
-
1920
- 1920-01-10 FR FR522182A patent/FR522182A/en not_active Expired
- 1920-01-21 DE DE1920352962D patent/DE352962C/en not_active Expired
- 1920-01-21 DE DE1920353948D patent/DE353948C/en not_active Expired
- 1920-01-22 CH CH86848D patent/CH86848A/en unknown
- 1920-01-22 GB GB2056/20A patent/GB167199A/en not_active Expired
- 1920-02-02 GB GB3116/20A patent/GB167201A/en not_active Expired
- 1920-02-10 FR FR23053A patent/FR23053E/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2592355A (en) * | 1949-11-21 | 1952-04-08 | Tachikawa Shozo | Process for manufacturing macromolecular cellulose fiber |
Also Published As
Publication number | Publication date |
---|---|
FR23053E (en) | 1921-10-03 |
DE352962C (en) | 1922-05-09 |
CH86848A (en) | 1920-10-16 |
GB167199A (en) | 1921-07-22 |
DE353948C (en) | 1922-05-27 |
FR522182A (en) | 1921-07-27 |
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