EP0242335A1 - Mélanges d'agents de blanchiment optique - Google Patents

Mélanges d'agents de blanchiment optique Download PDF

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Publication number
EP0242335A1
EP0242335A1 EP87810231A EP87810231A EP0242335A1 EP 0242335 A1 EP0242335 A1 EP 0242335A1 EP 87810231 A EP87810231 A EP 87810231A EP 87810231 A EP87810231 A EP 87810231A EP 0242335 A1 EP0242335 A1 EP 0242335A1
Authority
EP
European Patent Office
Prior art keywords
weight
parts
mixtures
formula
compound
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.)
Granted
Application number
EP87810231A
Other languages
German (de)
English (en)
Other versions
EP0242335B1 (fr
Inventor
Heinz Dr. Hefti
Klaus Dr. Artz
Kurt Dr. Weber
Kurt Dr. Burdeska
Dieter Dr. Reinehr
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.)
Novartis AG
Original Assignee
Ciba Geigy 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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of EP0242335A1 publication Critical patent/EP0242335A1/fr
Application granted granted Critical
Publication of EP0242335B1 publication Critical patent/EP0242335B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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

  • Optical brighteners are often used as mixtures of two or more different types because such mixtures have a synergistic effect in that the degree of whiteness of the mixture is higher than the degree of whiteness of the same amount of the individual components.
  • the invention therefore relates to mixtures of optical brighteners composed of 5 to 45 parts by weight of the compound of the formula 1 and 95 to 55 parts by weight of one of the compounds of formulas 2 and 3
  • the mixtures of optical brighteners according to the invention preferably consist of the compounds of the formulas 1 and 2.
  • the mixtures according to the invention are obtained either by jointly dispersing the compound of the formula 1 with one of the two compounds of the formulas 2 and 3 in the stated mixing ratio or else by dispersing the components separately and mechanical mixing.
  • the preferred mixing ratio of components 1 and 2 or 1 and 3 is 10 to 40 to 90 to 60 parts by weight, in particular 10 to 30 to 90 to 70 parts by weight, and for components 1 and 2 preferably 15 to 25 to 85 to 75 parts by weight.
  • the present invention furthermore relates to the use of mixtures of the compound of the formula 1 and one of the two compounds of the formulas 2 and 3 for the optical brightening of textile material containing polyester fibers and polyester fibers, and agents for the optical brightening of textile materials containing mixtures of polyester fibers and polyester fibers the compound of formula 1 and one of the two compounds of formulas 2 and 3.
  • the mixtures according to the invention are particularly suitable for optically brightening textile materials made of linear or modified polyesters. They can be applied to the textile material by known methods, for example by the exhaust process at 90 to 140 ° C or by the padding thermal process at 160 to 220 ° C.
  • the mixtures according to the invention are distinguished by very good dyeing behavior. In addition to a higher degree of whiteness compared to the corresponding proportions of the individual components, the mixtures have an improved brilliance of the brightenings and good light fastness.
  • Example 1 A polyester fabric (Terylene type 540) is at 40 ° C on a dyeing machine with a liquor ratio of 1 to 20 with an aqueous bath containing 0.1% of the optical brightener in finely dispersed form, consisting of a mixture of 20 parts by weight of the compound of the formula and 80 parts by weight of the compound of the formula and treated 1 g / 1 of a fatty alcohol polyglycol ether.
  • the temperature is increased to 120 ° C. within 30 minutes and left at this level for a further 30 minutes. Then you cool down to 40 ° C within 15 minutes.
  • the fabric is rinsed in flowing deionized water for 30 seconds and dried at 180 ° C.
  • the polyester fabric treated in this way has a high lightening effect.
  • Example 2 Using the same procedure as in Example 1, instead of the brightener from the mixture of the compounds of the formulas 1 and 2, one from the mixture of 20 parts by weight of the compound of the formula 1 and 80 parts by weight of the compound of the formula so you get similarly good lightening effects.
  • EXAMPLE 3 A polyester fabric (terylene type 540) is padded at room temperature with an aqueous liquor containing 0.1 g / l of the brightener mixture of 20 parts by weight of the compound of the formula I and 80 parts by weight of the compound of the formula 2 (calculated on active substance) in dispersed form and 1 ml / l Invadin JFC 200%. The squeezing effect is 65%.
  • the polyester fabric treated in this way has a high lightening effect.
  • EXAMPLE 4 If a brightener mixture of 20 parts by weight of the formula 1 and 80 parts by weight of the formula 3 is used instead of the brightener mixture of the compounds of the formulas 1 and 2 using the same procedure as in Example 3, similarly good lightening effects are obtained.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Coloring (AREA)
  • Detergent Compositions (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
EP87810231A 1986-04-18 1987-04-10 Mélanges d'agents de blanchiment optique Expired - Lifetime EP0242335B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH156686 1986-04-18
CH1566/86 1986-04-18

Publications (2)

Publication Number Publication Date
EP0242335A1 true EP0242335A1 (fr) 1987-10-21
EP0242335B1 EP0242335B1 (fr) 1991-05-08

Family

ID=4213419

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87810231A Expired - Lifetime EP0242335B1 (fr) 1986-04-18 1987-04-10 Mélanges d'agents de blanchiment optique

Country Status (5)

Country Link
US (1) US4889655A (fr)
EP (1) EP0242335B1 (fr)
JP (1) JPS62252469A (fr)
BR (1) BR8701856A (fr)
DE (1) DE3769831D1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110790733A (zh) * 2019-10-18 2020-02-14 湖北彩德新材料科技有限公司 一种荧光增白剂pf及其制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1168227A (fr) * 1955-12-20 1958-12-05 Ciba Geigy Procédé de blanchiment optique de fibres en polyesters
DE2602750A1 (de) * 1975-02-05 1976-08-19 Sandoz Ag Organische verbindungen, deren herstellung und verwendung
EP0136259A1 (fr) * 1983-08-05 1985-04-03 Ciba-Geigy Ag Hétérocyclyl-4-styryl-4' biphényles

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH1273673A4 (fr) * 1973-09-05 1976-01-30
US4196229A (en) * 1975-02-05 1980-04-01 Sandoz Ltd. Substituted divinyl stilbenes as optical brighteners
DE2929591A1 (de) * 1979-07-21 1981-02-05 Hoechst Ag Mischungen von optischen aufhellern
US4363744A (en) * 1979-09-10 1982-12-14 Hoechst Aktiengesellschaft Mixtures of optical brighteners and their use for the optical brightening
US4338079A (en) * 1979-12-21 1982-07-06 Allis-Chalmers Corporation Method and apparatus for subjecting mineral particles to gas flow
DE3027479A1 (de) * 1980-07-19 1982-03-04 Hoechst Ag, 6000 Frankfurt Mischungen von optischen aufhellern und deren verwendung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1168227A (fr) * 1955-12-20 1958-12-05 Ciba Geigy Procédé de blanchiment optique de fibres en polyesters
DE2602750A1 (de) * 1975-02-05 1976-08-19 Sandoz Ag Organische verbindungen, deren herstellung und verwendung
EP0136259A1 (fr) * 1983-08-05 1985-04-03 Ciba-Geigy Ag Hétérocyclyl-4-styryl-4' biphényles

Also Published As

Publication number Publication date
BR8701856A (pt) 1988-01-26
EP0242335B1 (fr) 1991-05-08
US4889655A (en) 1989-12-26
DE3769831D1 (de) 1991-06-13
JPS62252469A (ja) 1987-11-04

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