EP0242335B1 - Mélanges d'agents de blanchiment optique - Google Patents
Mélanges d'agents de blanchiment optique Download PDFInfo
- Publication number
- EP0242335B1 EP0242335B1 EP87810231A EP87810231A EP0242335B1 EP 0242335 B1 EP0242335 B1 EP 0242335B1 EP 87810231 A EP87810231 A EP 87810231A EP 87810231 A EP87810231 A EP 87810231A EP 0242335 B1 EP0242335 B1 EP 0242335B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- parts
- weight
- formula
- compound
- compounds
- 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
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 I. 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 by mixing the compound of the formula 1 with one of the two compounds of the formulas 2 and 3 in the stated mixing ratio.
- 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 pad thermal process at 160 to 220 ° C.
- the mixtures according to the invention are distinguished by very good dyeing behavior.
- the mixtures catalyze an improved brilliance of the brightening 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 / l 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 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 1 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)
Claims (8)
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 EP0242335A1 (fr) | 1987-10-21 |
EP0242335B1 true 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)
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 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE553563A (fr) * | 1955-12-20 | |||
CH577062B5 (fr) * | 1973-09-05 | 1976-06-30 | Ciba Geigy Ag | |
US4196229A (en) * | 1975-02-05 | 1980-04-01 | Sandoz Ltd. | Substituted divinyl stilbenes as optical brighteners |
CH603513A5 (fr) * | 1975-02-05 | 1978-08-15 | Sandoz Ag | |
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 |
US4666627A (en) * | 1983-05-08 | 1987-05-19 | Ciba-Geigy Corporation | 4-Heterocyclylvinyl-4-'styryl-biphenyls |
-
1987
- 1987-04-10 EP EP87810231A patent/EP0242335B1/fr not_active Expired - Lifetime
- 1987-04-10 DE DE8787810231T patent/DE3769831D1/de not_active Expired - Lifetime
- 1987-04-15 BR BR8701856A patent/BR8701856A/pt unknown
- 1987-04-17 JP JP62093440A patent/JPS62252469A/ja active Pending
-
1988
- 1988-12-05 US US07/280,107 patent/US4889655A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
BR8701856A (pt) | 1988-01-26 |
US4889655A (en) | 1989-12-26 |
DE3769831D1 (de) | 1991-06-13 |
JPS62252469A (ja) | 1987-11-04 |
EP0242335A1 (fr) | 1987-10-21 |
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