GB817339A - Process for bleaching textile materials - Google Patents
Process for bleaching textile materialsInfo
- Publication number
- GB817339A GB817339A GB5586/58A GB558658A GB817339A GB 817339 A GB817339 A GB 817339A GB 5586/58 A GB5586/58 A GB 5586/58A GB 558658 A GB558658 A GB 558658A GB 817339 A GB817339 A GB 817339A
- Authority
- GB
- United Kingdom
- Prior art keywords
- steam
- chlorite
- chamber
- formaldehyde
- impregnated
- 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
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/20—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen
- D06L4/22—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents
- D06L4/24—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents using chlorites or chlorine dioxide
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/30—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using reducing agents
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Textile materials, especially of cotton, are impregnated with sodium chlorite and then treated in a closed space with steam in the presence of a volatile reducing agent. The material may be treated with a chlorite solution acidified with formic or acetic acid and then introduced into a chamber into which steam and hydrogen sulphide are introduced simultaneously at temperatures of 140 DEG to 212 DEG F. Sulphur formed during the reaction is discharged from the reaction chamber together with the material, from which it may be removed by washing. In an alternative procedure, the material, impregnated with a neutral solution of chlorite, is placed in a chamber into which steam and an aqueous solution of formaldehyde are introduced, the formaldehyde oxidizing to formic acid to produce acidic conditions. The reaction chamber may be additionally heated by steam tubes. After the treatment the cloth may be washed in successive baths at 203 DEG , 158 DEG F., and room temperature, and dried. An apparatus is described in which the process is effected continuously.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL817339X | 1957-03-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB817339A true GB817339A (en) | 1959-07-29 |
Family
ID=19838928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5586/58A Expired GB817339A (en) | 1957-03-05 | 1958-02-20 | Process for bleaching textile materials |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2944872A (en) |
| BE (1) | BE564964A (en) |
| FR (1) | FR1192679A (en) |
| GB (1) | GB817339A (en) |
| NL (1) | NL91620C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2359927A1 (en) * | 1976-07-26 | 1978-02-24 | Protex Manuf Prod Chimiq | NEW PRODUCTS TO ACTIVATE CHLORITE BLEACHING BATHS |
| US5370707A (en) * | 1990-03-28 | 1994-12-06 | Sando Iron Works Co., Ltd. | Method for bleaching cloth |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE464370A (en) * | 1943-08-13 | |||
| US2521340A (en) * | 1945-05-16 | 1950-09-05 | Olin Mathieson | Bleaching of cellulosic textiles |
| US2429317A (en) * | 1945-06-15 | 1947-10-21 | Mathieson Alkali Works Inc | Process for shellac refining |
| US2513788A (en) * | 1947-01-31 | 1950-07-04 | Brown Co | Bleaching of sulfate wood pulp |
| FR959544A (en) * | 1947-02-01 | 1950-03-31 |
-
0
- NL NL91620D patent/NL91620C/xx active
- BE BE564964D patent/BE564964A/xx unknown
-
1958
- 1958-02-20 GB GB5586/58A patent/GB817339A/en not_active Expired
- 1958-03-03 US US718520A patent/US2944872A/en not_active Expired - Lifetime
- 1958-03-04 FR FR1192679D patent/FR1192679A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1192679A (en) | 1959-10-28 |
| US2944872A (en) | 1960-07-12 |
| NL91620C (en) | |
| BE564964A (en) |
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