GB654513A - Improvements in or relating to a new or improved method for insolubilising artificial filaments, threads, fibres and the like filamentary products - Google Patents
Improvements in or relating to a new or improved method for insolubilising artificial filaments, threads, fibres and the like filamentary productsInfo
- Publication number
- GB654513A GB654513A GB14431/48A GB1443148A GB654513A GB 654513 A GB654513 A GB 654513A GB 14431/48 A GB14431/48 A GB 14431/48A GB 1443148 A GB1443148 A GB 1443148A GB 654513 A GB654513 A GB 654513A
- Authority
- GB
- United Kingdom
- Prior art keywords
- grams
- tow
- solution
- formaldehyde
- 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
- D01F4/00—Monocomponent artificial filaments or the like of proteins; Manufacture thereof
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/04—Supporting filaments or the like during their treatment
- D01D10/0436—Supporting filaments or the like during their treatment while in continuous movement
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/04—Supporting filaments or the like during their treatment
- D01D10/0436—Supporting filaments or the like during their treatment while in continuous movement
- D01D10/0481—Supporting filaments or the like during their treatment while in continuous movement the filaments passing through a tube
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
- Y10S425/04—Pulling wheel
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Artificial Filaments (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Peptides Or Proteins (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
Artificial filamentary products, obtained by spinning aqueous alkaline solutions of vegetable globulins or phospho-proteins into acidified saline coagulating baths, are insolubilized by treatment in a "relaxing solution" followed by treatment in aqueous formaldehyde solution containing not less than 240 grams sodium chloride per litre, having a pH value between 4 and 7 and at a temperature not exceeding 80 DEG C., and finally by treatment in a strongly-acidified aqueous formaldehyde solution containing per litre 250-325 grams sulphuric acid and 370-480 grams sodium sulphate, the solution being at a raised temperature, e.g. 70-98 DEG C. The last solution preferably contains 30-130 grams of sodium chloride also. The relaxing solution consists of a concentrated aqueous solution of sodium chloride, free from formaldehyde, which may also contain a small proportion of sodium sulphate and/or a small proportion of sulphuric acid and which has a pH value of 4-7. This solution greatly reduces the longitudinal contractility of the coagulated filaments and is advantageously at a temperature of 10-40 DEG C., preferably 15-25 DEG C. The coagulated filamentary products in the form of a continuous travelling tow may be insolubilized under non-tensioning conditions by passing the tow through a succession of two liquids each containing 240-320 grams sodium chloride, less than 60 grams sodium sulphate and less than 3 grams of sulphuric acid per litre, the first of these two liquids being a relaxing solution free from formaldehyde and preferably at a temperature of 15-25 DEG C., and the second liquid having a pH of 4-7, and containing 10-20 grams of formaldehyde per litre and being preferably at a temperature of 25-80 DEG C. The tow is subsequently treated in a third liquid containing per litre 30-130 grams of sodium chloride, 370-480 grams of sodium sulphate, 250-325 grams of sulphuric acid and 10-20 grams of formaldehyde and preferably at a temperature of 70-98 DEG C. In the example, a coagulated tow obtained by extruding an aqueous alkaline solution of ground nut globulin into an aqueous sodium sulphate sulphuric acid coagulating bath is stretched between godets and treated with a solution containing 290 gm./l. sodium chloride, 30 gm./l. sodium sulphate and 0.5 gm./l. sulphuric acid at 20 DEG C., contained in the trough of a ring trough according to the method described in Specification 623,460, the tow being deposited in a zig-zag manner in the ring trough. The tow is then taken up from the ring trough, mangled between squeeze rolls and stretched between two godets. The tow is now treated in a solution containing 300 gm./l. sodium chloride, 24 gm./l. sodium sulphate, 1 gm./l. sulphuric acid and 15 gm./l. formaldehyde at 55 DEG C. contained in the trough of a second ring trough and again according to the method described in Specification 623,460. The tow after leaving the ring trough is mangled between squeeze rolls and passed over a godet and through a vertical helical coil through which flows a treating liquor consisting of 75 gm./l. sodium chloride, 420 gm./l. sodium sulphate, 300 gm./l. sulphuric acid and 12 gm./l. formaldehyde at 90 DEG C. On leaving the outlet of the coil the tow is washed and dried. Specification 597,497 also is referred to.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE654630X | 1941-03-20 | ||
US654512XA | 1947-06-28 | 1947-06-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB654513A true GB654513A (en) | 1951-06-20 |
Family
ID=25945788
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB14216/48A Expired GB654512A (en) | 1941-03-20 | 1948-05-26 | |
GB14431/48A Expired GB654513A (en) | 1941-03-20 | 1948-05-28 | Improvements in or relating to a new or improved method for insolubilising artificial filaments, threads, fibres and the like filamentary products |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB14216/48A Expired GB654512A (en) | 1941-03-20 | 1948-05-26 |
Country Status (7)
Country | Link |
---|---|
US (1) | US2565935A (en) |
BE (1) | BE489306A (en) |
CH (1) | CH277610A (en) |
DE (1) | DE908177C (en) |
FR (1) | FR987356A (en) |
GB (2) | GB654512A (en) |
NL (1) | NL71239C (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL79057C (en) * | 1950-08-28 | |||
US2987764A (en) * | 1953-10-08 | 1961-06-13 | Celanese Corp | Apparatus for the production and treatment of filaments |
US2974363A (en) * | 1954-07-02 | 1961-03-14 | Meyer Hans | Method of and apparatus for the continuous production of synthetic fibers |
US2864663A (en) * | 1954-11-01 | 1958-12-16 | Virginia Carolina Chem Corp | Process for the production of vegetable protein fibers |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB597497A (en) * | 1945-08-22 | 1948-01-27 | Robin Hamilton Kendall Thomson | Improvements in or relating to the production of insolubilised protein-artificial filamentary products |
-
0
- BE BE489306D patent/BE489306A/xx unknown
- NL NL71239D patent/NL71239C/xx active
- DE DENDAT908177D patent/DE908177C/en not_active Expired
-
1948
- 1948-05-26 GB GB14216/48A patent/GB654512A/en not_active Expired
- 1948-05-28 GB GB14431/48A patent/GB654513A/en not_active Expired
-
1949
- 1949-05-23 US US94896A patent/US2565935A/en not_active Expired - Lifetime
- 1949-05-27 FR FR987356D patent/FR987356A/en not_active Expired
- 1949-05-28 CH CH277610D patent/CH277610A/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE908177C (en) | 1954-02-25 |
CH277610A (en) | 1951-09-15 |
NL71239C (en) | |
US2565935A (en) | 1951-08-28 |
BE489306A (en) | |
FR987356A (en) | 1951-08-13 |
GB654512A (en) | 1951-06-20 |
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