GB224885A - Improved manufacture of lustrous artificial threads - Google Patents
Improved manufacture of lustrous artificial threadsInfo
- Publication number
- GB224885A GB224885A GB2662724A GB2662724A GB224885A GB 224885 A GB224885 A GB 224885A GB 2662724 A GB2662724 A GB 2662724A GB 2662724 A GB2662724 A GB 2662724A GB 224885 A GB224885 A GB 224885A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bath
- lustrous
- precipitating
- nozzles
- sulphuric acid
- 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)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
For the manufacture of lustrous threads of 2.5-6 deniers from viscose solutions of the normal degree of maturity, the precipitating-bath used contains 110-160 grams of sulphuric acid per litre and a quantity of salt, such as glaubers salt, such that the specific gravity of the bath is 1.32-1.42. By the use of this bath the whole range of degrees of fineness above specified can be made with the one composition of the bath, it being sufficient only to vary the rate of feed of viscose solution to the spinning-nozzles. It is preferred to employ a spinning length of 10-15 cms. and nozzles of 0.1 mm. diameter, and to use the bath at a temperature of 47-50 DEG C.; and it is advantageous to use a second bath which contains 5 per cent sulphuric acid and consists of the precipitating-bath diluted. The Specification as open to inspection under Sect. 91 (3) (a) includes the use of the bath with viscose solutions in general. This subject-matter does not appear in the Specification as accepted.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE224885X | 1923-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB224885A true GB224885A (en) | 1925-06-25 |
Family
ID=5858247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2662724A Expired GB224885A (en) | 1923-11-14 | 1924-11-07 | Improved manufacture of lustrous artificial threads |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT103479B (en) |
| FR (1) | FR587552A (en) |
| GB (1) | GB224885A (en) |
| NL (1) | NL17008C (en) |
-
0
- NL NL17008D patent/NL17008C/xx active
-
1924
- 1924-10-16 AT AT103479D patent/AT103479B/en active
- 1924-10-16 FR FR587552D patent/FR587552A/en not_active Expired
- 1924-11-07 GB GB2662724A patent/GB224885A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR587552A (en) | 1925-04-21 |
| NL17008C (en) | |
| AT103479B (en) | 1926-06-10 |
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