GB184450A - Improvements in the manufacture of artificial threads, narrow ribbons, films and the like, of viscose - Google Patents
Improvements in the manufacture of artificial threads, narrow ribbons, films and the like, of viscoseInfo
- Publication number
- GB184450A GB184450A GB20004/22A GB2000422A GB184450A GB 184450 A GB184450 A GB 184450A GB 20004/22 A GB20004/22 A GB 20004/22A GB 2000422 A GB2000422 A GB 2000422A GB 184450 A GB184450 A GB 184450A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bath
- viscose
- acid
- manufacture
- per cent
- 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
- 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)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
Abstract
A spinning bath for use in the manufacture of artificial threads, films, &c. from viscose, consists of an aqueous solution of the acids obtained by sulphonating the resinous condensation products prepared by reacting with phenols on wood in the presence of acid catalysts. To the bath mineral acids may also be added, or the acid may be partly neutralized, or to the bath may be added the salts of mineral acids or of the sulphonated acids above referred to; with these baths, satisfactory results are obtained with entirely unripened viscose. In an example, the bath contains 10-12 per cent sulphuric acid, 5 per cent sulphonated acid, and 15 per cent sodium sulphate; and a spinning speed of 50 metres and a length of bath of 50 centimetres are employed. Specification 160,482, [Class 2 (iii), Dyes &c.], is referred to.ALSO:The sulphonic acid of the resinous product obtained by heating wood with phenols in the presence of a catalyst as described in Specification 160,482 may be used as a tanning-agent or as an addition to the precipitating bath used in the manufacture of viscose silk.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE184450X | 1921-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB184450A true GB184450A (en) | 1923-05-17 |
Family
ID=5719020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB20004/22A Expired GB184450A (en) | 1921-08-06 | 1922-07-21 | Improvements in the manufacture of artificial threads, narrow ribbons, films and the like, of viscose |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB184450A (en) |
-
1922
- 1922-07-21 GB GB20004/22A patent/GB184450A/en not_active Expired
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