GB430837A - Improvements in or relating to the manufacture of artificial structures from cellulose - Google Patents
Improvements in or relating to the manufacture of artificial structures from celluloseInfo
- Publication number
- GB430837A GB430837A GB3411/34A GB341134A GB430837A GB 430837 A GB430837 A GB 430837A GB 3411/34 A GB3411/34 A GB 3411/34A GB 341134 A GB341134 A GB 341134A GB 430837 A GB430837 A GB 430837A
- Authority
- GB
- United Kingdom
- Prior art keywords
- fibres
- structures
- artificial
- solution
- cellulose
- 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
-
- 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
- D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
- D01F11/02—Chemical after-treatment of artificial filaments or the like during manufacture of cellulose, cellulose derivatives, or proteins
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
Abstract
In a process for the manufacture of artificial structures such as artificial threads or fibres from cellulose the structures in their initial form with or without prior rinsing are treated with a chemical agent which in a single operation performs the several actions, namely washing, and/or neutralizing, bleaching, and removal of any by-products and decomposition products which may be present, necessary for bringing the structures to the completed state except for a possible rinsing and drying. In the case of structures formed from viscose solutions, a hot dilute solution of sodium sulphite is a suitable agent. In an example artificial fibres from viscose after formation, and while in the spinning pots, or on bobbins, or as hanks are treated with a 2 per cent sodium sulphite solution at 60--65 DEG C. The solution desulphurizes the fibres, neutralizes acid from the precipitating bath, evolves sulphur dioxide which has a bleaching effect on the fibres and dissolves salts contained in the fibres. The process is applicable to lustrous or non-lustrous artificial silk.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE430837X | 1933-02-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB430837A true GB430837A (en) | 1935-06-26 |
Family
ID=6482961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3411/34A Expired GB430837A (en) | 1933-02-01 | 1934-02-01 | Improvements in or relating to the manufacture of artificial structures from cellulose |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR750014A (en) |
| GB (1) | GB430837A (en) |
-
1933
- 1933-02-04 FR FR750014D patent/FR750014A/en not_active Expired
-
1934
- 1934-02-01 GB GB3411/34A patent/GB430837A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR750014A (en) | 1933-08-03 |
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