US1285738A - Process for producing wool-like effects on cotton fabrics. - Google Patents
Process for producing wool-like effects on cotton fabrics. Download PDFInfo
- Publication number
- US1285738A US1285738A US188033A US18803317A US1285738A US 1285738 A US1285738 A US 1285738A US 188033 A US188033 A US 188033A US 18803317 A US18803317 A US 18803317A US 1285738 A US1285738 A US 1285738A
- Authority
- US
- United States
- Prior art keywords
- effects
- cotton fabrics
- sulfuric acid
- producing
- wool
- 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
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/12—Reserving parts of the material before dyeing or printing ; Locally decreasing dye affinity by chemical means
Definitions
- the present invention is based on the observation that nonmercerized cotton di ed for several minutes into sulfuric acid ofTess than 50% B. (as measured at C. above 86 zero) at a temperature of less than -1 C. shrinks about 10% in length and about in width. In consequence of this shrinking the cotton fabric appears after washing out the acid, fuller, softer and becomes a woollike characte In this case the action of the cold sulfuric acid alone is similar to the successive action of lye and sulfuric acid at a normal tem-' perature.
- the fabric can also be printed with a reserve and then be dipped into the cold .sulfuric acid of less than 50%- B. at a temperature of at or below -4 C.
- the places where the acid has acted will be woollike, as contrasted to the places reserved, which after washing out the reserve will have the appearance of ordinary cotton.
- the patterns produced in this way can be made more prominent by dyeing them as the. wool-like places will be dyed darker than the others.
- the application of the aforesaid cold acidv for producing pattern effects is especially advantageous, as its action on the reserve will be less intensive than the action of sulfuric acid of normal temperature.
Description
UNITED STATES PATENT OFFICE.
OSKAB KLAUSER, F HERISAU, SWITZERLAND, ASSIGNOR TO THEEIRM OF AKTIEIF GESELLSCHAFT CILANDER, 0F HERISA-U', SWITZERLAND. I
PROCESS FOR PRODUCING WOOL-LIKE EFFECTS ON COTTON FABRICS.
Specification of Letters Patent.-
Patented Nov. 26, 1918.
No Drawing. Original application filed August 12, 1916, Serial No. 114,620. Divided and this application filed August 24, 1917. Serial No. 188,033.
To all whom it may concern:
Be it known that I, OSKAR KLAUSER, a citizen of the Republic of Switzerland, residing at Herisau, Switzerland, have in- 6 vented certain new and useful Improvements in Processes for Producing Wool-Like Effects on Cotton Fabrics; and I do hereby declare the following; to be a full, clear, and exact description of the invention, such as L0 will enable others skilled in the art to which it appertains to use the same.
This application is a division of my application for United States patent, filed August 1261,1916, Serial No. 114,620.
Mercer observed in 1844, that concentrated sulfuric acid imparts to cotton fabrics a transparent appearance. It is also a wellknown fact that sulfuric acid of at least 50% B. imparts to cotton fabrics a parchment- IO like appearancesulfuric acid of 45 to 50 imparts to cellulose only the property of being readily dyed. The action is a purely mercerizing one, as it is observed in 1896 by Thomas and Prevost, British Patent No.
25 20714:. Heberlein (Patent 1,141,872, June 1,
I 1915) describes a process of producing woollike effects on cotton previously mercerized,
by subjecting it for several minutes to the action of sulfuric acid of a concentration of 80 from 49 to 51 B.
The present invention is based on the observation that nonmercerized cotton di ed for several minutes into sulfuric acid ofTess than 50% B. (as measured at C. above 86 zero) at a temperature of less than -1 C. shrinks about 10% in length and about in width. In consequence of this shrinking the cotton fabric appears after washing out the acid, fuller, softer and becomes a woollike characte In this case the action of the cold sulfuric acid alone is similar to the successive action of lye and sulfuric acid at a normal tem-' perature.
The fabric can also be printed with a reserve and then be dipped into the cold .sulfuric acid of less than 50%- B. at a temperature of at or below -4 C. The places where the acid has acted will be woollike, as contrasted to the places reserved, which after washing out the reserve will have the appearance of ordinary cotton. The patterns produced in this way can be made more prominent by dyeing them as the. wool-like places will be dyed darker than the others.
The application of the aforesaid cold acidv for producing pattern effects is especially advantageous, as its action on the reserve will be less intensive than the action of sulfuric acid of normal temperature.
What I claim is:
1. Process of imparting to cotton fabrics a wool-like appearance consistin of taking nonmercerized fabric, treating it for several minutes with sulfuric acid of less than 505-? B. at a temperature of less than 4= C. and then washing out the acid. a 2. Process for producing wool-like pattern effects on cotton fabrics consisting of printing with a resist, treating the so prepared fabric with sulfuric acid of less than 505 B. at a temperature of less than -4 C. and then washing out the acid and the resist. a
3. The process of producing pattern effects on cotton fabrics, which consists in printing the fabric with a reserve. treating the printed fabric with sulfuric acid of less than 50%; B. at. a temperature of less than 4 C., washing out the acid and reserve, and dyeing the fabric to renderthe pattern more prominent.
In testimony that I claim the foregoing as my invention, I have signed my name.
OSKAR KLAlTSER.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US188033A US1285738A (en) | 1916-08-12 | 1917-08-24 | Process for producing wool-like effects on cotton fabrics. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11462016A US1258225A (en) | 1916-08-12 | 1916-08-12 | Treatment of cotton fabrice. |
| US188033A US1285738A (en) | 1916-08-12 | 1917-08-24 | Process for producing wool-like effects on cotton fabrics. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1285738A true US1285738A (en) | 1918-11-26 |
Family
ID=3353311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US188033A Expired - Lifetime US1285738A (en) | 1916-08-12 | 1917-08-24 | Process for producing wool-like effects on cotton fabrics. |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1285738A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3151928A (en) * | 1960-05-05 | 1964-10-06 | Montedison Spa | Process for improving the tinctorial characteristics of polyolefin fibres |
-
1917
- 1917-08-24 US US188033A patent/US1285738A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3151928A (en) * | 1960-05-05 | 1964-10-06 | Montedison Spa | Process for improving the tinctorial characteristics of polyolefin fibres |
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