IL42335A - Bleaching of textiles with chlorine monoxide - Google Patents
Bleaching of textiles with chlorine monoxideInfo
- Publication number
- IL42335A IL42335A IL7342335A IL4233573A IL42335A IL 42335 A IL42335 A IL 42335A IL 7342335 A IL7342335 A IL 7342335A IL 4233573 A IL4233573 A IL 4233573A IL 42335 A IL42335 A IL 42335A
- Authority
- IL
- Israel
- Prior art keywords
- inclusive
- fabric
- chlorine monoxide
- moisture content
- torr
- Prior art date
Links
- NHYCGSASNAIGLD-UHFFFAOYSA-N Chlorine monoxide Chemical compound Cl[O] NHYCGSASNAIGLD-UHFFFAOYSA-N 0.000 title claims 36
- 238000004061 bleaching Methods 0.000 title claims 2
- 239000004753 textile Substances 0.000 title claims 2
- 238000000034 method Methods 0.000 claims 22
- 239000004744 fabric Substances 0.000 claims 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 9
- 230000001419 dependent effect Effects 0.000 claims 7
- 229920000728 polyester Polymers 0.000 claims 7
- 229920000742 Cotton Polymers 0.000 claims 6
- 239000007789 gas Substances 0.000 claims 3
- 235000011121 sodium hydroxide Nutrition 0.000 claims 3
- 239000007788 liquid Substances 0.000 claims 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 claims 2
- 239000007844 bleaching agent Substances 0.000 claims 1
- 239000003085 diluting agent Substances 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- 239000011261 inert gas Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000002791 soaking Methods 0.000 claims 1
- 229910000029 sodium carbonate Inorganic materials 0.000 claims 1
- 239000002904 solvent Substances 0.000 claims 1
- 229920002994 synthetic fiber Polymers 0.000 claims 1
- 238000005406 washing Methods 0.000 claims 1
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
- D06L4/28—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen in an inert solvent
-
- 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
- D06L4/23—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 hypohalogenites
-
- 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
- D06L4/29—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen in a gaseous environment
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Claims (28)
1. A process for the bleaching of a raw natural fibre, either alone or in combination with a synthetic fibre, either in open-width or rope form, and at a suitable moisture content, in which chlorine monoxide, in admixture with an inert gas or liquid carrier, is used as the bleaching agent.
2. The process of claim 1 in which the inert carrier is a gas.
3. The process of claim 1 in which the inert carrier is a solvent liquid for chlorine monoxide .
4. The process of any one of claims 1 - 3 inclusive in which the textile material, at a suitable moisture content, is contacted with chlorine monoxide in an amomt of 0.1 to 1.0% on the weight of the dry fabric.
5. The process of any one of claims 1 - 4 inclusive, in which said moisture content is in the range of 80 - 20%.
6. The process of any one of claims 1 - 5 inclusive, in which the process is carried out to a narrow terminal pH range selected to fall within the broad range 1 - 13.
7. The process of any one of claims 2 and 4 - 6 inclusive, when dependent on claim 2, in which said contacting time is from less than 1 second up to 300 seconds.
8. The process of claim 7 in which the chlorine monoxide is diluted with a gas to a partial pressure of from 1 to 253 Torr.
9. The process of claim 8 in which said diluent gas is air.
10. The process of any one of claims 1 - 9 inclusive including an alkaline pretreatment.
11. The process of claim 10 in which the alkaline pretreatment is with NaOH or Na2C03.
12. The process of any one of claims 1 - 11 inclusive including a de-size washing step and a caustic soda scour step prior to the .
13. The process of any one of claims 1, 2 and 4 - 12 inclusive when the latter claims are dependent on claims 2 and 4 - 11 inclusive in which: the fabric is cotton/polyester; the fabric is treated with a solution containing 1.5% a^CO^; the moisture content is 75%; the chlorine monoxide is diluted with air to a partial pressure of 200 Torr; the amount of chlorine monoxide is 0.2%; the contacting time is 20 seconds; and the terminal pH is 6.6.
14. The process of any one of claims 1, 2 and 4 - 12 inclusive when the latter claims are dependent on claims 2 and 4 - 11 inclusive in which: the fabric is cotton/polyester; the fabric is treated with a solution containing 5% the moisture content is 75%; the chlorine mon oxide is diluted with air to a partial pressure of 200 Torr; the amount of chlorine monoxide is 0.2%; the contacting time is 20 seconds; and the terminal pH is 8.2.
15. The process of any one of claims 1, 2 and 4 - 12 inclusive when the latter claims are dependent on claims 2 and 4 - 11 inclusive in which: the fabric is cotton/polyester; the fabric is treated with a solution containing 7% Na^CO^; the moisture content is 75%; the chlorine monoxide is diluted with air to a partial pressure of 200 Torr; the amount of chlorine monoxide is 0.2%; the contacting time is 20 seconds; and the terminal pH is 9.8.
16. The process of any one of claims 1, 2 and 4 - 12 inclusive when the latter claims are dependent on claims 2 and 4 - 11 inclusive in which: the fabric is cotton/polyester ; the fabric is de-sized by soaking at one percent consistency in a solution containing 10% NaOH at 70°F. ; the fabric has a moisture content of 30%; the chlorine monoxide is diluted with air to a partial pressure of 5 Torr; the amount of chlorine monoxide is 0.2%; the contacting time is 60 seconds; and the terminal pH is 6.2.
17. The process of any one of claims 1, 2 and 4 - 12 inclusive when the latter claims are dependent on claims 2 and 4 - 11 inclusive in air to a partial pressure of 5 Torr; the amount of chlorine monoxide is 0.2%; the contacting time is 60 seconds; and the terminal pH is 9.8.
18. The process of any one of claims 1, 2 and 4 - 12 inclusive when the latter claims are dependent on claims 2 and 4 - 11 inclusive in which: the fabric is cotton-polyester, having a moisture content of 70%; the chlorine monoxide is diluted with air to a partial pressure of 200 Torr; the amount of chlorine monoxide is 0.2%; the contacting time is 20 seconds; and the terminal pH is 4.7.
19. The process of claim 3 in which: the fabric is cotton/polyester having a moisture content of 70%; the chlorine monoxide is dissolved in carbon tetrachloride to a concentration of 8.9 g./l. chlorine monoxide; and the contacting time is 1 - 30 minutes.
20. Fabric bleached according to the process of any one of claims 1 - 12 inclusive.
21. Cotton/polyester fabric bleached according to the process of any one of claims 13 - 19 inclusive.
22. . The invention substantially as herein described with reference to Example 1(a) .
23. The invention substantially as herein described with reference to Example 1(b) .
24. The invention substantially as herein described with reference to Example 1(c) .
25. The invention substantially as herein described with reference to Example 1(d) .
26. The invention substantially as herein described with reference to Example 2(a) .
27. The invention substantially as herein described with reference to Example 2(b).
28. The invention substantially as herein described with reference to Example 3. For the Applicants
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA143,425A CA989112A (en) | 1972-05-30 | 1972-05-30 | Bleaching of textiles with chlorine monoxide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL42335A0 IL42335A0 (en) | 1973-08-29 |
| IL42335A true IL42335A (en) | 1976-07-30 |
Family
ID=4093416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL7342335A IL42335A (en) | 1972-05-30 | 1973-05-22 | Bleaching of textiles with chlorine monoxide |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3909194A (en) |
| JP (1) | JPS5030193B2 (en) |
| AR (1) | AR198223A1 (en) |
| BR (1) | BR7303981D0 (en) |
| CA (1) | CA989112A (en) |
| DE (1) | DE2327771C3 (en) |
| FR (1) | FR2186566B1 (en) |
| GB (1) | GB1416502A (en) |
| IL (1) | IL42335A (en) |
| IT (1) | IT1008540B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0372597U (en) * | 1989-11-10 | 1991-07-22 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3291559A (en) * | 1961-10-13 | 1966-12-13 | Olin Mathieson | Process of bleaching cellulose with chlorine dioxide wherein chlorine dioxide is continuously replenished |
| GB1100709A (en) * | 1965-06-25 | 1968-01-24 | Pulp Paper Res Inst | Two-stage purification of fibrous cellulose material |
| SE313985B (en) * | 1966-02-25 | 1969-08-25 | Stora Kopparbergs Bergslags Ab | |
| US3579419A (en) * | 1967-04-24 | 1971-05-18 | Pulp Paper Res Inst | Treatment of fluffed pulp fibers with gaseous chlorine |
| US3802958A (en) * | 1968-11-07 | 1974-04-09 | Mo Och Domsjoe Ab | Chlorination of cellulose pulp |
| GB1242709A (en) * | 1968-12-16 | 1971-08-11 | Pulp Paper Res Inst | Bleaching of cellulosic pulp |
| US3585147A (en) * | 1969-10-01 | 1971-06-15 | Int Dioxcide Inc | Stabilized chlorine dioxide solutions containing a chloride and processes of making and using same |
| US3720577A (en) * | 1970-05-25 | 1973-03-13 | Int Paper Co | Chlorine dioxide-peracetic acid-chlorine dioxide pulp bleaching sequence |
-
1972
- 1972-05-30 CA CA143,425A patent/CA989112A/en not_active Expired
-
1973
- 1973-05-16 US US360974A patent/US3909194A/en not_active Expired - Lifetime
- 1973-05-22 IL IL7342335A patent/IL42335A/en unknown
- 1973-05-25 GB GB2511773A patent/GB1416502A/en not_active Expired
- 1973-05-29 IT IT50278/73A patent/IT1008540B/en active
- 1973-05-29 JP JP7359428A patent/JPS5030193B2/ja not_active Expired
- 1973-05-29 AR AR248255A patent/AR198223A1/en active
- 1973-05-29 BR BR3981/73A patent/BR7303981D0/en unknown
- 1973-05-30 FR FR7319827A patent/FR2186566B1/fr not_active Expired
- 1973-05-30 DE DE2327771A patent/DE2327771C3/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2327771B2 (en) | 1977-08-25 |
| AR198223A1 (en) | 1974-06-07 |
| US3909194A (en) | 1975-09-30 |
| FR2186566A1 (en) | 1974-01-11 |
| CA989112A (en) | 1976-05-18 |
| IL42335A0 (en) | 1973-08-29 |
| FR2186566B1 (en) | 1977-02-11 |
| JPS5030193B2 (en) | 1975-09-29 |
| JPS4947678A (en) | 1974-05-08 |
| DE2327771C3 (en) | 1978-04-27 |
| GB1416502A (en) | 1975-12-03 |
| IT1008540B (en) | 1976-11-30 |
| BR7303981D0 (en) | 1974-07-25 |
| DE2327771A1 (en) | 1973-12-13 |
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