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Thienylazo dye and clothes washing and caring composition with same

A technology for laundry washing and thiophene azo, which is applied in the directions of detergent composition fragrance, detergent composition dye, azo dye and the like, and can solve the problem that the toner does not provide the beneficial effect of color tone and the like

Inactive Publication Date: 2015-11-25
THE PROCTER & GAMBLE COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unfortunately, current toners do not provide toning benefits after a single treatment cycle, and / or they build up to undesirable levels, thus over-toning the treated area over multiple treatment cycles

Method used

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  • Thienylazo dye and clothes washing and caring composition with same
  • Thienylazo dye and clothes washing and caring composition with same
  • Thienylazo dye and clothes washing and caring composition with same

Examples

Experimental program
Comparison scheme
Effect test

example

[0241] The following examples are provided to further illustrate the toners of the present invention; however, they should not be construed as limiting the invention, as defined in the claims incorporated herein. In fact, it will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit or scope of the invention. All parts and percentages given in these examples are by weight unless otherwise indicated.

[0242] Sample Preparation and Test Methods

[0243] A. Sample Preparation

[0244] The following general procedure is used to prepare the thiophene azo dyes of the present invention.

[0245] Preparation of glycidol material

[0246]

[0247] At room temperature, 18 parts of N-ethyl-m-toluidine, 52 parts of isopropyl glycidyl ether, and 50 parts of toluene were filled into a 200 mL round bottom flask. The mixture was refluxed overnight. The solvent was removed and the resulting material was used ...

example 12

[0278]

[0279] Fill 2 parts of aminothiophene and 30 parts of phosphoric acid into a 200 mL glass flask, and cool to 0-5 °C. 1 part of NaNO 2 Add slowly as a solid, keeping the temperature below 10°C. When the addition for diazotization was complete, the mixture was stirred for 30 minutes and excess sodium nitrite was consumed by adding 0.3 parts of sulfamic acid. Add enough sulfamic acid until starch iodine paper provides a negative result. Into a separate flask was charged 6 parts of the quaternized material prepared following the route of Intermediate Type 1, wherein the quaternization was performed using 1 molar equivalent of triethylamine and 12 parts of water. The prepared diazonium salt solution was slowly added to the above solution for coupling reaction. Be careful not to increase the temperature by more than 10 °C. After complete addition of the diazonium salt solution, the reaction was allowed to slowly reach room temperature over one hour. The mixture was ...

example 1

[0281] Example 1 was prepared via an intermediate type 2 procedure where only 2 moles of ethylene oxide were added to the starting material and the tosylated material was quaternized by using 2 molar equivalents of N-methylimidazole. Colorants were synthesized as described in Example 12.

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Abstract

The invention relates to thienylazo dye, a clothes washing and caring composition with the same, and methods for manufacturing and applying the thienylazo dye and the clothes washing and caring composition. The thienylazo dye is used as a color matching agent. The thienylazo dye comprises formally electric portions and generally comprises at least two components including at least one chromophore component and at least one polymer component. The suitable chromophore component can generally emit blue, red, violet or purple fluorescence or absorb light so as to reflect blue, red, violet or purple hues when exposed in ultraviolet light. The thienylazo dye, the clothes washing and caring composition and the methods have the advantages that the thienylazo dye is favorable for realizing color matching effects such as whitening effects for fabrics, and can be prevented from being accumulated along with time, and inadvisable blue stain of the processed fabrics can be prevented; the thienylazo dye is generally stable for bleaching agents for the clothes washing and caring composition.

Description

[0001] This application is a divisional application of Chinese Patent Application No. 201080070050.7 with the filing date of November 12, 2010, and the title of the invention is "thiophene azo dyes and laundry care compositions containing them". technical field [0002] This patent application relates to thiophene azo dyes for use as toners, laundry care compositions comprising such thiophene azo dyes, processes for the preparation of such thiophene azo dyes and laundry care compositions, and methods for using them method. The foregoing thiophene azo dyes comprise formally charged moieties and generally comprise at least two components: at least one chromophore component and at least one polymer component. Suitable chromophore components typically fluoresce blue, red, violet, or violet when exposed to ultraviolet light, or they can absorb light to reflect these same hues. These thiophene azo dyes advantageously provide toning benefits, eg, whitening of fabrics, without buildi...

Claims

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Application Information

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IPC IPC(8): C11D3/40C11D3/50C09B29/08
Inventor G·S·米瑞科R·L·小玛哈菲X·M·洪E·托雷斯D·J·瓦伦蒂
Owner THE PROCTER & GAMBLE COMPANY
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