EP0035694B1 - Mischungen von optischen Aufhellern - Google Patents

Mischungen von optischen Aufhellern Download PDF

Info

Publication number
EP0035694B1
EP0035694B1 EP81101345A EP81101345A EP0035694B1 EP 0035694 B1 EP0035694 B1 EP 0035694B1 EP 81101345 A EP81101345 A EP 81101345A EP 81101345 A EP81101345 A EP 81101345A EP 0035694 B1 EP0035694 B1 EP 0035694B1
Authority
EP
European Patent Office
Prior art keywords
alkyl
formula
group
phenyl
hydrogen
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
Application number
EP81101345A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0035694A1 (de
Inventor
Thomas Dr. Martini
Günter Rösch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoechst AG
Original Assignee
Hoechst AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hoechst AG filed Critical Hoechst AG
Priority to AT81101345T priority Critical patent/ATE4554T1/de
Publication of EP0035694A1 publication Critical patent/EP0035694A1/de
Application granted granted Critical
Publication of EP0035694B1 publication Critical patent/EP0035694B1/de
Expired legal-status Critical Current

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
    • D06L4/65—Optical bleaching or brightening with mixtures of optical brighteners

Definitions

  • R 1 'and R 2 ' have the meaning given above for R 1 and R 2 .
  • R 3 'and R 4 ' together are a fused phenyl ring or in the 5- and 7-position hydrogen or chlorine, alkyl, phenyl, X oxygen or sulfur and B 'a group of the formulas means, where R 6 'is alkyl, chloroalkyl, alkoxyalkyl, hydroxyalkyl or a group of the formula - (CH 2 CH 2 O) n -R, where n is 1, 2 or 3 and R is hydrogen or alkyl, R 11 ' is phenyl , which can be substituted by one or two chlorine atoms, one or two alkyl, alkoxyalkyl groups, a phenyl, cyano, carboxylic acid, carboalkoxy, carboxamide, sulfonic acid, sulf
  • R 3 "and R 4 " are hydrogen or alkyl
  • n 1 or 0 and B " is a group of the formulas -CN or -COOalkyl and R s "means alkyl or methoxyethyl.
  • R s is a group of the formulas -CN or -COOalkyl
  • R s means alkyl or methoxyethyl.
  • alkyl and alkoxy groups as well as other, derived groups of 1 to 4 carbon atoms.
  • the compounds of formula 1 are from DE-PS 1 594 834 and the compounds of formula 2 known from DE-OS 2 709 924 and from the published Japanese patent applications Sho 51/40090 and Sho 70/4568.
  • the mixing ratio for the individual components is between 1 and 99% by weight for the compound of the formula 1 and correspondingly 99 to 1% by weight for the other compound of the formula 2.
  • These compounds of the formulas 1 and 2 can also be used individually can be used in any mixture with one another, the mixing ratio of these compounds with one another being completely uncritical and being able to be varied as desired.
  • a mixing ratio of 50 to 99% by weight for the compound of the formula 1 and 50 to 1% by weight of the compound of the formula 2 is preferred.
  • the optimal mixing ratio of all compounds depends on the structure of the respective compounds in individual cases and can easily be determined by simple preliminary tests.
  • the individual components are dispersed in a liquid medium e.g. Water brought into the commercial form.
  • the individual components can be dispersed individually and the dispersions can then be added together.
  • the individual components can also be mixed together in bulk and then dispersed together. This dispersion process takes place in the usual way in ball mills, colloid mills, bead mills or dispersion kneaders.
  • the mixtures according to the invention are particularly suitable for lightening textile material made from linear polyesters, polyamides and acetyl cellulose. However, these mixtures can also be used with good results in mixed fabrics which consist of linear polyesters and other synthetic or natural fiber materials, in particular fibers containing hydroxyl groups, in particular cotton.
  • optical brighteners are applied under the conditions customary for the use of optical brighteners, for example using the exhaust process at 90 ° C. to 130 ° C. with or without the addition of accelerators (carriers) or using the thermosol process.
  • the water-insoluble brighteners and the mixtures according to the invention can also be used in organic solvents, e.g. Perchlorethylene, fluorinated hydrocarbons can be used in solution.
  • the textile material can be treated in the exhaust process with the solvent liquor, which contains the optical brightener, or one can impregnate, splash, spray the textile material with the brightener-containing solvent liquor and then dry at temperatures of 120-220 ° C, whereby the optical brightener is completely fixed in the fiber. This gives an excellently brightened product with excellent light resistance and resistance to oxidizing and reducing agents, the degree of whiteness of the mixture being significantly higher than the degree of whiteness which can be achieved with the same amount of only one compound of formula 1 or 2.
  • Fabric sections made of polyester staple fibers are washed, dried and impregnated on a foulard with aqueous dispersions which either contain only one brightener of formula 1 or 2 for comparison or a mixture of both brighteners in a weight ratio of 8 to 2 based on the active substance.
  • the brighteners of formula 1 are taken from a commercially available dispersion (20% setting).
  • the brighteners of formula 2 are used in a 10% dispersion in polyvinyl alcohol.
  • the total amount of brightener is 1.66 g / l.
  • the material is squeezed between rollers with a foulard so that there is a moisture absorption of approx. 80%.
  • the material that has been sealed in this way is then dried at 110 ° C. and thermosolated on a tenter at the temperatures given in the table.
  • the respective degrees of whiteness according to Ganz were obtained.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detergent Compositions (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Coloring (AREA)
EP81101345A 1980-03-07 1981-02-25 Mischungen von optischen Aufhellern Expired EP0035694B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81101345T ATE4554T1 (de) 1980-03-07 1981-02-25 Mischungen von optischen aufhellern.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3008812 1980-03-07
DE19803008812 DE3008812A1 (de) 1980-03-07 1980-03-07 Mischungen von optischen aufhellern

Publications (2)

Publication Number Publication Date
EP0035694A1 EP0035694A1 (de) 1981-09-16
EP0035694B1 true EP0035694B1 (de) 1983-08-31

Family

ID=6096567

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81101345A Expired EP0035694B1 (de) 1980-03-07 1981-02-25 Mischungen von optischen Aufhellern

Country Status (10)

Country Link
US (1) US4400294A (xx)
EP (1) EP0035694B1 (xx)
JP (1) JPS56141360A (xx)
AT (1) ATE4554T1 (xx)
AU (1) AU540524B2 (xx)
BR (1) BR8101322A (xx)
CA (1) CA1154910A (xx)
DE (2) DE3008812A1 (xx)
PH (1) PH19044A (xx)
ZA (1) ZA811513B (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3027479A1 (de) * 1980-07-19 1982-03-04 Hoechst Ag, 6000 Frankfurt Mischungen von optischen aufhellern und deren verwendung
US4830763A (en) * 1987-02-26 1989-05-16 Ciba-Geigy Corporation Process for increasing the degree of whiteness of polyester-containing textile material
DE3878550D1 (de) * 1987-11-27 1993-03-25 Ciba Geigy Ag Aufhellerdispersion.
DK64690D0 (da) * 1990-03-12 1990-03-12 Ntp Elektronik A S Omkoblingssystem
ES2145743T3 (es) * 1990-12-28 2000-07-16 Teijin Ltd Compuesto de anillo condensado benzoxa, su produccion y composicion farmaceutica que lo contiene.
DE19732109A1 (de) * 1997-07-25 1999-01-28 Clariant Gmbh Mischungen von optischen Aufhellern
EP3383977A1 (en) 2015-11-30 2018-10-10 SABIC Global Technologies B.V. Process for enhancing gasoline octane boosters, gasoline boosters, and gasolines

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2390537A1 (fr) * 1977-05-11 1978-12-08 Hoechst Ag Melanges d'azureurs optiques derivant du stilbene

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1955310A1 (de) * 1969-11-04 1971-05-13 Hoechst Ag Verwendung von waessrigen Dispersionen von Mischungen aus Benzoxazol- und Phenyloxazolderivaten zum optischen Aufhellen
US4105399A (en) * 1973-09-05 1978-08-08 Ciba-Geigy Corporation Optically brightening with a synergistic mixture
CH598309A5 (xx) * 1974-08-14 1978-04-28 Ciba Geigy Ag
JPS5140090A (ja) * 1974-09-30 1976-04-03 Toyoda Chuo Kenkyusho Kk Choonpahatsuseisochi
CH623705GA3 (en) * 1976-03-09 1981-06-30 Process for the preparation of stilbene compounds and their use as optical brighteners
ES456483A0 (es) * 1976-03-09 1978-02-16 Hoechst Ag Procedimiento para la preparacion de compuestos de estilbeno.
LU78483A1 (de) * 1977-11-10 1979-06-13 Ciba Geigy Ag Verfahren zur herstellung von benzoxazolyl-phenylstilbenen

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2390537A1 (fr) * 1977-05-11 1978-12-08 Hoechst Ag Melanges d'azureurs optiques derivant du stilbene

Also Published As

Publication number Publication date
CA1154910A (en) 1983-10-11
JPS56141360A (en) 1981-11-05
PH19044A (en) 1985-12-11
ZA811513B (en) 1982-03-31
DE3160803D1 (en) 1983-10-06
AU6814281A (en) 1981-09-10
AU540524B2 (en) 1984-11-22
BR8101322A (pt) 1981-09-08
ATE4554T1 (de) 1983-09-15
US4400294A (en) 1983-08-23
DE3008812A1 (de) 1981-09-24
EP0035694A1 (de) 1981-09-16
JPH0153303B2 (xx) 1989-11-13

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