US2107297A - Bleaching fiber - Google Patents
Bleaching fiber Download PDFInfo
- Publication number
- US2107297A US2107297A US714735A US71473534A US2107297A US 2107297 A US2107297 A US 2107297A US 714735 A US714735 A US 714735A US 71473534 A US71473534 A US 71473534A US 2107297 A US2107297 A US 2107297A
- Authority
- US
- United States
- Prior art keywords
- bleaching
- goods
- fibers
- solution
- hydrogen peroxide
- 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
- 238000004061 bleaching Methods 0.000 title description 49
- 239000000835 fiber Substances 0.000 title description 30
- 239000000243 solution Substances 0.000 description 38
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 27
- 238000000034 method Methods 0.000 description 23
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 229920006395 saturated elastomer Polymers 0.000 description 12
- 239000007844 bleaching agent Substances 0.000 description 11
- 150000002978 peroxides Chemical class 0.000 description 10
- 238000011282 treatment Methods 0.000 description 10
- 241001465754 Metazoa Species 0.000 description 8
- 235000013311 vegetables Nutrition 0.000 description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 210000002268 wool Anatomy 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 4
- 235000011121 sodium hydroxide Nutrition 0.000 description 4
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 3
- 239000012670 alkaline solution Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 229920002994 synthetic fiber Polymers 0.000 description 3
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 150000004760 silicates Chemical class 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229920002955 Art silk Polymers 0.000 description 1
- 240000008564 Boehmeria nivea Species 0.000 description 1
- 241000282836 Camelus dromedarius Species 0.000 description 1
- 229920000298 Cellophane Polymers 0.000 description 1
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical class [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 1
- 240000000491 Corchorus aestuans Species 0.000 description 1
- 235000011777 Corchorus aestuans Nutrition 0.000 description 1
- 235000010862 Corchorus capsularis Nutrition 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 239000000020 Nitrocellulose Substances 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 241001416177 Vicugna pacos Species 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical class [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 235000012343 cottonseed oil Nutrition 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000009990 desizing Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 description 1
- 235000011180 diphosphates Nutrition 0.000 description 1
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 1
- GRWZHXKQBITJKP-UHFFFAOYSA-N dithionous acid Chemical class OS(=O)S(O)=O GRWZHXKQBITJKP-UHFFFAOYSA-N 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 238000009897 hydrogen peroxide bleaching Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000000050 mohair Anatomy 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- -1 perborates Chemical class 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229940048084 pyrophosphate Drugs 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 229960001407 sodium bicarbonate Drugs 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 description 1
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229940048086 sodium pyrophosphate Drugs 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 1
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 229910000406 trisodium phosphate Inorganic materials 0.000 description 1
- 235000019801 trisodium phosphate Nutrition 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 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
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
Definitions
- the present invention relates to a method of bleaching natural and artificial fibers and/or filaments and more particularly to a method of bleaching such fibers and/ or filaments with alkaline solutions containing hydrogen peroxide at room temperature.
- the goods after they have been preliminarily cleaned or treated according to the usual known practices as for instance souring, scouring, desizing, boiling, desulphurizing, degumming or other usual preliminary cleaning actions, or preliminarily treated with alkalineor acid hypochlorite solutions, alkaline or acid sulphit'e solutions, hydrosulphites, permanganates, chromates, chlorates, and similar oxidizing or reducing agents, are treated with an alkaline solution of hydrogen peroxide at room or normal temperature by any method whereby the fabric or fiber whether as raw stock, carded, spun, woven, knitted or felted, is thoroughly wet out or saturated with the desired bleaching solution.
- This step will usually include a saturation of the goods, such as by immersion or immersions in the bleaching solution, and an elimination of the surplus bleaching solution above that necessary to saturate the same by any well known means as for instance by squeezing or hydroextracting or by any known device or method, or the goods are saturated by any other convenient methods and permitted to stand in the saturated condition until the desired bleached result is obtained.
- This desired bleached condition is obtained after a period of from several minutes or up to 24 hours or more whereupon the goods are rinsed or the residual solution otherwise removed. It will, of course, be understood that the surplus bleaching. solution squeezed or hydroextracted from the goods may be returned to the main bulk of the bleaching solution and thereafter used to bleach further batches of goods.
- composition of bath which I have found effective in bleaching animal fibers or filaments A composition of bath which I have found effective in bleaching animal fibers or filaments,
- alkali may include materials acting as stabilizers for the hydrogen peroxide solution and may include, among others, silicates of soda, phosphates such as sodium pyro-phosphate, tri-sodium phosphate, di-sodium phosphate, sodium-bicarbonate and borax.
- silicates of soda phosphates such as sodium pyro-phosphate, tri-sodium phosphate, di-sodium phosphate, sodium-bicarbonate and borax.
- additional chemicals or stabilizers not necessarily alkaline in character, may be added to the bath, and other alkaline materials used to obtain the desired alkalinity of the solution.
- bleaching assistants may also be included in the bath and among them may be mentioned soaps, sulphonated oils, solvents of various kinds and wetting-on agents.
- the goods are saturated with the bleaching solution, the surplus bleaching solution above that necessary to saturate the goods is removed and the goods permitted to stand in the saturated condition until the desired degree of bleaching is effected.
- piece goods may be eifectively bleached after saturation by winding them upon rolls.
- the saturated goods may be stacked, piled or stored in any convenient manner in a box, bin or movable container or even on the floor of or in any suitable chamber.
- Effective hydrogen peroxide bleaching is very often obtained in accordance with my invention by subjecting the goods to a double treatment. This is more particularly true in those cases where yarn is treated which would, in accordance with the older and well known methods of bleaching require a double hydrogen peroxide boil such as is done in the bleaching of certain types of cotton yarn.
- the first steep is carried out with a solution containing, as an example:
- Goods which have been mercerized may be bleached by my process without removing caustic soda remaining in the goods after they come from the mercerizing machines. eliminate the usual souring of such goods.
- the top in the bleaching of wool, as for instance wool top, the top, whether scoured or unscoured, is saturated with a suitable peroxide bleaching solution, the surplus removed, as for example by hydro-extraction, and the saturated top allowed to bleach at room temperature until the desired shade is obtained which may require from several minutes to several hours depending upon the character of the wool and its previous treatment and on the type and concentration of bleaching solution.
- a bleaching solution made in accordance with the following composition which is illustrative and not limitative. It will be understood that any alkalis or combinations of alkalis that do not render the solution so alkaline as to tender or yellow the goods may be used.
- room temperature is used herein to describe a range of temperature normally encountered in a plant and may be as high as 115 F. Where such high temperatures are en countered, the time of steeping will be less than that required at lower temperatures in order to obtain a full or standard white.
- a concentration of peroxide is meant wherein the amount of persearch tiooa.
- oxide calculated as hydrogen peroxide, is greater than about 1% of hydrogen peroxide.
- moist condition or damp condition as used in the claims means a condition Where the goods contain at least 50% by weight of liquid but are not immersed in the liquid.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detergent Compositions (AREA)
- Paper (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Cosmetics (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US714735A US2107297A (en) | 1934-03-08 | 1934-03-08 | Bleaching fiber |
| US125113A US2165270A (en) | 1934-03-08 | 1937-02-10 | Cotton bleaching |
| GB31489/37A GB507664A (en) | 1934-03-08 | 1937-11-16 | Improvements relating to the bleaching of cellulosic fibres |
| FR830046D FR830046A (fr) | 1934-03-08 | 1937-11-27 | Procédé de blanchiment de fibres d'origine végétale |
| BE425547D BE425547A (enrdf_load_stackoverflow) | 1934-03-08 | 1937-12-31 |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US714735A US2107297A (en) | 1934-03-08 | 1934-03-08 | Bleaching fiber |
| US125113A US2165270A (en) | 1934-03-08 | 1937-02-10 | Cotton bleaching |
| GB31489/37A GB507664A (en) | 1934-03-08 | 1937-11-16 | Improvements relating to the bleaching of cellulosic fibres |
| FR830046T | 1937-11-27 | ||
| BE425547T | 1937-12-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US2107297A true US2107297A (en) | 1938-02-08 |
Family
ID=10323838
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US714735A Expired - Lifetime US2107297A (en) | 1934-03-08 | 1934-03-08 | Bleaching fiber |
| US125113A Expired - Lifetime US2165270A (en) | 1934-03-08 | 1937-02-10 | Cotton bleaching |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US125113A Expired - Lifetime US2165270A (en) | 1934-03-08 | 1937-02-10 | Cotton bleaching |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US2107297A (enrdf_load_stackoverflow) |
| BE (1) | BE425547A (enrdf_load_stackoverflow) |
| FR (1) | FR830046A (enrdf_load_stackoverflow) |
| GB (1) | GB507664A (enrdf_load_stackoverflow) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2433661A (en) * | 1943-01-11 | 1947-12-30 | Mathieson Alkali Works Inc | Method of bleaching |
| US2433370A (en) * | 1940-04-24 | 1947-12-30 | Buffalo Electro Chem Co | Method of scouring cellulosic materials |
| US2510595A (en) * | 1946-09-20 | 1950-06-06 | Buffalo Electro Chem Co | Method of bleaching groundwood |
| US2513344A (en) * | 1946-09-19 | 1950-07-04 | Buffalo Electro Chem Co | Method of bleaching high-density pulp |
| US2514503A (en) * | 1947-07-30 | 1950-07-11 | Buffalo Electro Chem Co | Method of bleaching moist felted groundwood pulp |
| US2539366A (en) * | 1948-08-12 | 1951-01-23 | American Cyanamid Co | Treatment of wool-containing textile materials |
| US2539365A (en) * | 1948-08-12 | 1951-01-23 | American Cyanamid Co | Treatment of wool-containing textile materials |
| US2580161A (en) * | 1947-03-13 | 1951-12-25 | Driessen Cornelius Clarence | Process of deinking printed waste paper |
| US2647069A (en) * | 1947-01-23 | 1953-07-28 | Philadelphia Quartz Co | Manufacture of silicate-coated papers |
| US2692181A (en) * | 1950-03-08 | 1954-10-19 | Buffalo Electro Chem Co | Treatment of unbleached sulfite pulp |
| US2739868A (en) * | 1951-01-13 | 1956-03-27 | Fmc Corp | Method of dyeing peroxide-bleached wool |
| DE1039352B (de) * | 1953-11-10 | 1958-09-18 | Mo Och Domsjoe Ab | Verfahren zum Bleichen von Holzzellstoff |
| US2858183A (en) * | 1955-06-28 | 1958-10-28 | Du Pont | Hydrogen peroxide bleaching of cotton fabric |
| DE973632C (de) * | 1950-06-30 | 1960-04-21 | Fmc Corp | Verfahren zum Bleichen von Holzzellstoff |
| DE974908C (de) * | 1952-12-23 | 1961-05-31 | Union Des Fabriques Belges De | Verfahren zum Bleichen von Polyacrylnitrilfasern |
| US3241990A (en) * | 1965-03-10 | 1966-03-22 | Harrison John Gordon | Alkali metal silicate compositions and process of manufacture |
| US3645666A (en) * | 1969-12-11 | 1972-02-29 | Us Plywood Champ Papers Inc | Method for uniforming the color of wood and wood articles |
| US20070094810A1 (en) * | 2005-11-01 | 2007-05-03 | Xu Meirong | Process for the extraction and preparation of bast fibers, bast fibers obtained therefrom and their use |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL190021A (enrdf_load_stackoverflow) * | 1953-01-20 | |||
| US2804466A (en) * | 1954-10-14 | 1957-08-27 | Colgate Palmolive Co | Process of bleaching sulfated and sulfonated anionic synthetic detergent compositions and the resulting products |
| US3077372A (en) * | 1959-12-24 | 1963-02-12 | Pennsalt Chemicals Corp | Sodium hydroxide and chlorine for in situ hypochlorite formation in pretreatment of cotton in peroxidic bleaching |
| DE1243964B (de) * | 1960-12-22 | 1967-07-06 | Du Pont | Verfahren zum Bleichen von Kaltnatron-Holzschliff |
-
1934
- 1934-03-08 US US714735A patent/US2107297A/en not_active Expired - Lifetime
-
1937
- 1937-02-10 US US125113A patent/US2165270A/en not_active Expired - Lifetime
- 1937-11-16 GB GB31489/37A patent/GB507664A/en not_active Expired
- 1937-11-27 FR FR830046D patent/FR830046A/fr not_active Expired
- 1937-12-31 BE BE425547D patent/BE425547A/xx unknown
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2433370A (en) * | 1940-04-24 | 1947-12-30 | Buffalo Electro Chem Co | Method of scouring cellulosic materials |
| US2433661A (en) * | 1943-01-11 | 1947-12-30 | Mathieson Alkali Works Inc | Method of bleaching |
| US2513344A (en) * | 1946-09-19 | 1950-07-04 | Buffalo Electro Chem Co | Method of bleaching high-density pulp |
| US2510595A (en) * | 1946-09-20 | 1950-06-06 | Buffalo Electro Chem Co | Method of bleaching groundwood |
| US2647069A (en) * | 1947-01-23 | 1953-07-28 | Philadelphia Quartz Co | Manufacture of silicate-coated papers |
| US2580161A (en) * | 1947-03-13 | 1951-12-25 | Driessen Cornelius Clarence | Process of deinking printed waste paper |
| US2514503A (en) * | 1947-07-30 | 1950-07-11 | Buffalo Electro Chem Co | Method of bleaching moist felted groundwood pulp |
| US2539366A (en) * | 1948-08-12 | 1951-01-23 | American Cyanamid Co | Treatment of wool-containing textile materials |
| US2539365A (en) * | 1948-08-12 | 1951-01-23 | American Cyanamid Co | Treatment of wool-containing textile materials |
| US2692181A (en) * | 1950-03-08 | 1954-10-19 | Buffalo Electro Chem Co | Treatment of unbleached sulfite pulp |
| DE973632C (de) * | 1950-06-30 | 1960-04-21 | Fmc Corp | Verfahren zum Bleichen von Holzzellstoff |
| US2739868A (en) * | 1951-01-13 | 1956-03-27 | Fmc Corp | Method of dyeing peroxide-bleached wool |
| DE974908C (de) * | 1952-12-23 | 1961-05-31 | Union Des Fabriques Belges De | Verfahren zum Bleichen von Polyacrylnitrilfasern |
| DE1039352B (de) * | 1953-11-10 | 1958-09-18 | Mo Och Domsjoe Ab | Verfahren zum Bleichen von Holzzellstoff |
| US2858183A (en) * | 1955-06-28 | 1958-10-28 | Du Pont | Hydrogen peroxide bleaching of cotton fabric |
| US3241990A (en) * | 1965-03-10 | 1966-03-22 | Harrison John Gordon | Alkali metal silicate compositions and process of manufacture |
| US3645666A (en) * | 1969-12-11 | 1972-02-29 | Us Plywood Champ Papers Inc | Method for uniforming the color of wood and wood articles |
| US20070094810A1 (en) * | 2005-11-01 | 2007-05-03 | Xu Meirong | Process for the extraction and preparation of bast fibers, bast fibers obtained therefrom and their use |
| US7481843B2 (en) * | 2005-11-01 | 2009-01-27 | Xu Meirong | Process for the extraction and preparation of bast fibers, bast fibers obtained therefrom and their use |
| US20090092835A1 (en) * | 2005-11-01 | 2009-04-09 | Xu Meirong | Bast fibers obtained from an extraction and preparation process |
Also Published As
| Publication number | Publication date |
|---|---|
| GB507664A (en) | 1939-06-16 |
| BE425547A (enrdf_load_stackoverflow) | 1938-01-31 |
| FR830046A (fr) | 1938-07-18 |
| US2165270A (en) | 1939-07-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2107297A (en) | Bleaching fiber | |
| US2029985A (en) | Method of bleaching | |
| US2173474A (en) | Bleaching | |
| US2173040A (en) | Desizing textiles | |
| US2189378A (en) | Bleaching fibers and a composition therefor | |
| US2860944A (en) | Bleaching fibers of vegetable origin with formamidine sulfinate and alkaline peroxide | |
| US3377131A (en) | Process for desizing,scouring and bleaching cotton and polyester fabrics | |
| US2960383A (en) | Continuous process for rapidly bleaching woven cotton fabric | |
| US3957428A (en) | Treatment of textile materials | |
| US2220682A (en) | Method of bleaching fibers of vegetable origin | |
| US2257716A (en) | Method of bleaching fibers of vegetable origin | |
| US3619110A (en) | Process of hydrophilization, purification and bleaching of cellulose fibers | |
| US2839353A (en) | High speed peroxide textile bleaching process | |
| US3765834A (en) | Simultaneous desize-scour-bleach with activated hydrogen peroxide | |
| US3397033A (en) | Textile bleaching process | |
| US3740188A (en) | Simultaneous desize-scour-bleach with activated hydrogen peroxide | |
| US3056645A (en) | Process of bleaching sized cotton fabrics | |
| US2283141A (en) | Treatment of textile fabrics | |
| US2868615A (en) | Continuous scouring and bleaching of gray goods | |
| US3353903A (en) | Preparation of cotton fabrics for dyeing | |
| US2020437A (en) | Process for bleaching vegetable fibers | |
| US1908481A (en) | Method of bleaching fibers | |
| US3634024A (en) | Desize-scouring of textiles with alkaline peroxydiphosphate solutions | |
| US2366740A (en) | Bleaching fibers | |
| US2033125A (en) | Chemical product |