GB716951A - Wet spinning of polyvinyl alcohol fibres - Google Patents
Wet spinning of polyvinyl alcohol fibresInfo
- Publication number
- GB716951A GB716951A GB12465/50A GB1246550A GB716951A GB 716951 A GB716951 A GB 716951A GB 12465/50 A GB12465/50 A GB 12465/50A GB 1246550 A GB1246550 A GB 1246550A GB 716951 A GB716951 A GB 716951A
- Authority
- GB
- United Kingdom
- Prior art keywords
- solution
- polyvinyl alcohol
- gelatine
- soap
- red oil
- 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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/14—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of unsaturated alcohols, e.g. polyvinyl alcohol, or of their acetals or ketals
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
Artificial fibres are obtained by extruding an aqueous solution of polyvinyl alcohol containing gelatine, glue, a soap, Turkey red oil, or a mixture of two or more of these substances, in an amount insufficient to induce gelation of the solution, into a coagulating bath comprising an aqueous solution of an inorganic salt. The addition of gelatine as other specified substance to the spinning solution renders it more stable and less liable to gelatinize when subjected to mechanical shock or friction during filtration and transportation at relatively low temperatures, e.g. 25-39 DEG C., and the spinning operation may be effected with less interruption and with the production of fibres of greater uniformity in their properties. In examples, polyvinyl alcohol obtained by alkali saponification of polyvinyl acetate is dissolved in water with a small proportion of gelatine, Turkey red oil or Marseilles soap. The solution is extruded into a saturated solution of sodium sulphate at 45 DEG C. The spinning solution may contain 17 per cent. of polyvinyl alcohol and 0.3 per cent. of gelatine, soap or Turkey red oil.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP716951X | 1949-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB716951A true GB716951A (en) | 1954-10-20 |
Family
ID=13467919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB12465/50A Expired GB716951A (en) | 1949-05-24 | 1950-05-18 | Wet spinning of polyvinyl alcohol fibres |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE501411A (en) |
| FR (1) | FR1017624A (en) |
| GB (1) | GB716951A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE540051A (en) * | 1954-07-27 |
-
0
- BE BE501411D patent/BE501411A/xx unknown
-
1950
- 1950-05-11 FR FR1017624D patent/FR1017624A/en not_active Expired
- 1950-05-18 GB GB12465/50A patent/GB716951A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1017624A (en) | 1952-12-12 |
| BE501411A (en) |
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