GB911104A - Optical whitening compositions and their application - Google Patents
Optical whitening compositions and their applicationInfo
- Publication number
- GB911104A GB911104A GB39305/59A GB3930559A GB911104A GB 911104 A GB911104 A GB 911104A GB 39305/59 A GB39305/59 A GB 39305/59A GB 3930559 A GB3930559 A GB 3930559A GB 911104 A GB911104 A GB 911104A
- Authority
- GB
- United Kingdom
- Prior art keywords
- water
- derivatives
- wax
- coumarin
- whitening agent
- 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
- D06L4/60—Optical bleaching or brightening
- D06L4/671—Optical brightening assistants, e.g. enhancers or boosters
Abstract
An aqueous dispersion suitable for the brightening of textile materials comprises an optical whitening agent having no sulphonic or other water-solubilizing groups dissolved in a polyethylene or polypropylene wax and dispersed in water with the aid of at least one emulsifying agent. The optical whitening agents having no sulphonic or other water-solubilizing groups may be coumarin derivatives, e.g. b -methyl-umbelliferone, 4-methyl-7-diethylamino coumarin, 4,6-dimethyl-7-methylamino coumarine and derivatives of 3-phenyl-7-ureido coumarin, derivatives of amino naphthalimides, dihydrocollidine, benzthiazole, benzoxazole, benziminazole, oxdiazole, pyrrocolines, pyrimidazole or imidazo-(1,2-a)-pyrimidine, bis-(acylaminoaryl)-furano or triazole derivatives. The dispersion may be prepared by dissolving the whitening agent in the polyethylene or polypropylene wax by heating, forming the hot solution containing at least one cationic or hationic emulsifying agent into a relatively concentrated emulsion with hot water, cooling and diluting with water. Specifications 600,696, 611,510, 623,428, 653,681, 669,590, 722,791, 741,798, 746,046, 786,234, 813,543, 814,249, 823,227, 824,659, 835,892, 835,894, 835,895, 835,896, 835,897 and 835,898 are referred to.ALSO:Cellulosic materials, e.g. cotton, and textile materials of wool, nylon, polyester and polyacrylic fibres or filaments are brightened by treating them with an aqueous dispersion of an optical whitening agent, having no sulphonic or other water-solubilising groups, prepared by dissolving the optical whitening agent in a natural or synthetic wax or fat and forming an aqueous dispersion from this solution, and drying the materials. The optical whitening agents having no sulphonic or other water-solubilising groups may be coumarin derivatives, e.g. b -methyl-umbelliferone, 4-methyl-7- diethylaminocoumarin, 4,6-dimethyl-7-methlyamino-coumarin and derivatives of 3-phenyl-7-ureido coumarin, derivatives of amino-naphthalimides, dihydrocollidine, benzthiazole, benzoxazole, benziminazole, oxdiazole, pyrrocoline, pyrimidazole or imidazo-(1,2-a)-pyrimidine, bis-(acylaminoaryl)-furans or triazole derivatives. The natural and synthetic waxes and fats used may be hydrocarbons, esters, fatty acids, fatty ketones, fatty alcohols or mixtures thereof, those specified being carnauba wax, candililla wax, paraffin wax, petrolatum, lanolin, spermaceti, polyethylene and polypropylene. The whitening agent may be dissolved in the wax or fat by heating and the hot solution, which preferably contains at least one cationic or non-ionic emulsifying agent, formed into a relatively concentrated emulsion with hot water, cooled and diluted with water before application to the material treated. The brightening process may precede or follow a finishing process employing an aqueous bath of a thermosetting resin, e.g. an aminoplast crease-resist resin bath, or the dispersion of the whitening agent may be produced in the aqueous bath of thermo setting resin and the two processes effected simultaneously. Specifications 600,696, 611,510, 623,428, 653,681, 669,590, 722,791, 741,798, 746,046, 786,234, 813,543, 814,249, 823,227, 824,659, 835,892, 835,894, 835,895, 835,896, 835,897, and 835,898 are referred to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB39305/59A GB911104A (en) | 1959-11-19 | 1959-11-19 | Optical whitening compositions and their application |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB39305/59A GB911104A (en) | 1959-11-19 | 1959-11-19 | Optical whitening compositions and their application |
Publications (1)
Publication Number | Publication Date |
---|---|
GB911104A true GB911104A (en) | 1962-11-21 |
Family
ID=10408841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB39305/59A Expired GB911104A (en) | 1959-11-19 | 1959-11-19 | Optical whitening compositions and their application |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB911104A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0306447A1 (en) * | 1987-08-26 | 1989-03-08 | Ciba-Geigy Ag | Preparations comprising brightening agents of the dispersion type |
-
1959
- 1959-11-19 GB GB39305/59A patent/GB911104A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0306447A1 (en) * | 1987-08-26 | 1989-03-08 | Ciba-Geigy Ag | Preparations comprising brightening agents of the dispersion type |
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