US1907101A - Washing of filaments - Google Patents
Washing of filaments Download PDFInfo
- Publication number
- US1907101A US1907101A US560230A US56023031A US1907101A US 1907101 A US1907101 A US 1907101A US 560230 A US560230 A US 560230A US 56023031 A US56023031 A US 56023031A US 1907101 A US1907101 A US 1907101A
- Authority
- US
- United States
- Prior art keywords
- washing
- water
- yarn
- filaments
- spools
- 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 - Lifetime
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
- D01F13/00—Recovery of starting material, waste material or solvents during the manufacture of artificial filaments or the like
- D01F13/02—Recovery of starting material, waste material or solvents during the manufacture of artificial filaments or the like of cellulose, cellulose derivatives or proteins
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
Definitions
- Our present invention relates to an improved method of washing viscose yarn wound upon perforated or corrugated spools, or bobbins.
- One object of our invention is to prevent the precipitation of salts, oxides or sulphides which will cause the presence of colored spots on the yarn, especially on the inside.
- the freshly spun filaments are usually wound directly on perforated or corrugated spools, or bobbins.
- the filled spools or bobbins are then placed in a washing device where the Wash water, usually at a temperature of from 2035 C. is sucked or forced through the spools by means of vacuum or pressure imparted to the interior or exterior of the spools.
- the amount of vacuum or pressure used varies but generally a vacuum of from 12 to 18 inches or its equivalent pressure, may be used. By means of such washing the precipitating bath liquid is removed from the yarn.
- wash water at 2035 (1., water at from 4075 C. is used.
- wash water at 2035 water at from 4075 C. is used.
- the use of water at such temperature prevents the foaming above referred to, and re- Serial No. 560,230.
- EwampZe Absolute 70 grams viscose yarn, 150 denier with 32 filaments, soft luster, is spun on a perforated spool with a circumference of 230 mm and a length of 130 mm. Nearly 500 of these spools are put into a rubber lined tank, the tank is filled with about 1700 liters of Water with a temperature of about 50 C. This water is sucked through the spools by a vacuum from about 14l20 inches during 50100 minutes, after that time free from any the water is drained, and the tank is refilled with an ammonium-sulphide solution of about C. This solution is sucked through the spools at the same vacuum as used for the water wash, during 50100 minutes. Then the ammonium-sulphide is drained, and the spools are washed in water again, and if necessary, they are bleached.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
Description
Patented May 2, 1933 UNITED STATES P ATE JULIUS O. FUNCKE, OF ELIZABETHTON, AND RICHARD ELSSNER, OF JOHNSON CITY,
TENNESSEE, ASSIGNORS TO AIYIERICAN GLANZSTOFF CORPORATION, OF NEW YORK,
N. Y., A CORPORATION OF DELAWARE WASHING or FILAMENTS No Drawing.
Our present invention relates to an improved method of washing viscose yarn wound upon perforated or corrugated spools, or bobbins.
One object of our invention is to prevent the precipitation of salts, oxides or sulphides which will cause the presence of colored spots on the yarn, especially on the inside.
In the production of artificial yarn by the viscose process, the freshly spun filaments are usually wound directly on perforated or corrugated spools, or bobbins. The filled spools or bobbins are then placed in a washing device where the Wash water, usually at a temperature of from 2035 C. is sucked or forced through the spools by means of vacuum or pressure imparted to the interior or exterior of the spools. The amount of vacuum or pressure used varies but generally a vacuum of from 12 to 18 inches or its equivalent pressure, may be used. By means of such washing the precipitating bath liquid is removed from the yarn.
It has been found, however, that such treatment, causes the carbon disulphide to be liberated suddenly and irregularly on the inside of the spool causing a. foaming action to take place. It is our idea that by this foaming the soluted or dispersed salts or oxides of the adhering precipitating bath liquids are precipitated, together with amorphous sulphur, especially if the foaming takes place after a greater part of the acid has been removed and the Wash water is nearly neutral. The yarn is then subjected to a desulphurizing bath which changes the precipitated salts or acids to sulphides which appear on the inner layer of the yarn as spots, generally black in color.
lVe have found that these spots can be eliminated if instead of using wash water at 2035 (1., water at from 4075 C. is used. The use of water at such temperature prevents the foaming above referred to, and re- Serial No. 560,230.
sults in a yarn practically objectionable dirty spots.
The following is given to illustrate the application of our new washing process, it being understood that it is given only by way of illustration and that other temperatures and pressures may be employed without departing from the scope of our invention.
EwampZe:About 70 grams viscose yarn, 150 denier with 32 filaments, soft luster, is spun on a perforated spool with a circumference of 230 mm and a length of 130 mm. Nearly 500 of these spools are put into a rubber lined tank, the tank is filled with about 1700 liters of Water with a temperature of about 50 C. This water is sucked through the spools by a vacuum from about 14l20 inches during 50100 minutes, after that time free from any the water is drained, and the tank is refilled with an ammonium-sulphide solution of about C. This solution is sucked through the spools at the same vacuum as used for the water wash, during 50100 minutes. Then the ammonium-sulphide is drained, and the spools are washed in water again, and if necessary, they are bleached.
Having now described our invention as required by the patent statutes, What we desire to claim is:
1. In the manufacture of artificial filaments by the viscose process, the steps of spooling the spun filaments, passing heated water at a temperature of from 40 to 7 5 C. therethrough under the influence of a vacuum, then heated ammonium sulphide, then water,in order that colored spots in the treated yarn might be eliminated.
2. In a process for after-treating viscose yarn, the steps of washing the filaments with Water heated to about C. and then With an ammonium sulphide solution heated to about 30 C.
3. In a process for preventing the formation of colored spots on viscose yarn, due to the too rapid liberation of carbon disulphide in the after-treatment, the step of washing viscose yarn in water heated to about 50 C. and then treating with ammonium sulphide.
4:. In a process for preventing the formation of colored spots on viscose yarn, due to the too rapid liberation of carbon disulphide in the after-treatment, the step of washing the yarn in water heated to from to 75 C. and then treating with a heated desulphurizin agent.
11 testimony whereof we afiix our signatures.
JULIUS G. FUNGKE. RICHARD ELSSNER.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US560230A US1907101A (en) | 1931-08-29 | 1931-08-29 | Washing of filaments |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US560230A US1907101A (en) | 1931-08-29 | 1931-08-29 | Washing of filaments |
Publications (1)
Publication Number | Publication Date |
---|---|
US1907101A true US1907101A (en) | 1933-05-02 |
Family
ID=24236903
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US560230A Expired - Lifetime US1907101A (en) | 1931-08-29 | 1931-08-29 | Washing of filaments |
Country Status (1)
Country | Link |
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US (1) | US1907101A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2486522A (en) * | 1946-02-01 | 1949-11-01 | Celanese Corp | Treatment of viscose |
US2673785A (en) * | 1951-04-23 | 1954-03-30 | Du Pont | Removing carbon bisulfide from viscose fiber with a liquid seal vacuum pump |
-
1931
- 1931-08-29 US US560230A patent/US1907101A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2486522A (en) * | 1946-02-01 | 1949-11-01 | Celanese Corp | Treatment of viscose |
US2673785A (en) * | 1951-04-23 | 1954-03-30 | Du Pont | Removing carbon bisulfide from viscose fiber with a liquid seal vacuum pump |
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