CN102876082A

CN102876082A - Black dye composite and dyeing method thereof

Info

Publication number: CN102876082A
Application number: CN2012103425911A
Authority: CN
Inventors: 朱烨林; 李金�
Original assignee: Tianjin Dek Chemical Co Ltd
Current assignee: Tianjin Dek Chemical Co Ltd
Priority date: 2012-09-14
Filing date: 2012-09-14
Publication date: 2013-01-16

Abstract

The invention relates to a black dye composite and a dyeing method thereof. The dye composite comprises compounds (dye index number: C.I.Reactive Black 5), main constituents of Novacron orange S-4R (Novacron Orange S-4R, Huntsman products), and main constituents of Novacron yellow S-3R (Novacron Yellow S-3R, Huntsman products). The black dye composite disclosed by the invention has the advantages of environmental protection, high dyeing degree, good even dyeing property, bright color, good fastness performance, and simple and practicable dyeing process, and has little harm to protein fiber materials, such as hair and wool. The dyed hair and wool are not easy to be changed in color after being post-processed and shaped.

Description

A kind of black dye composition and dyeing process thereof

Technical field

The present invention relates to a kind of dyestuff, particularly a kind of black dye composition and dyeing process thereof, this dye composite is applicable to the dyeing of the protein fibre materials such as hair, wool.

Background technology

The dyeing of hair and related products thereof generally is to adopt matching stain, metallized dye or mordant dyes to dye.Although the matching stain chromatogram is complete, color and luster is also more bright-coloured, and dyeing is simple, owing to matching stain molecule and the protein materials such as hair, wool mainly are to be combined dying by ionic linkage to act on, so the wet colour fastness of dyeing is very poor.Between the protein materials such as metallized dye molecule and hair, wool outside the effect of deionization key, also may there be the effect of hydrogen bond, Van der Waals force, coordinate bond, therefore the wet colour fastness of dyeing increases, but because the molecular weight of dyestuff is large, so the solvability of dyestuff and level-dyeing property are all relatively poor.Need to use about 8% sulfuric acid with metallized dye dyeing, brute force, feel and the gloss of hair all can be affected in so strong acid dye bath.And contain heavy metal ion in the metallized dye molecule.Although every fastness of mordant dyes is all good, the shortcoming of this class dyestuff also is obvious: dyeing waste-water contains hexavalent chromium, causes environmental pollution; And dyeing is loaded down with trivial details, and dyeing time is long, and chemical damage is heavier, affects feel and the brute force of hair.

Summary of the invention

The technical problem to be solved in the present invention is to overcome traditional matching stain, metallized dye and mordant dyes wet fastness after the protein materials such as hair, the wool dyeing is contained problems such as adding heavy metal in heavy metal or the dyeing course in the poor or dye structure.The invention provides that a kind of both environmental protection have higher dye uptake, good level-dyeing property, lovely luster again, every fastness ability is good, dyeing is simple and to the infringement of the protein fibre materials such as hair, wool little and dye after hair, wool through the aftertreatment not allochroic black dye composition of typing and dyeing process thereof.

The invention provides a kind of black dye composition, this dye composite comprises that Colour index number is that compound, the Nowe of C.I.Reactive Black 5 cloned dark orange S-4R (Novacron Orange S-4R, the product of Huntsman) main ingredient and Nowe are cloned the main ingredient of yellow S-3R (Novacron Yellow S-3R, the product of Huntsman).

Preferably, the component that comprises of this dye composite and the parts by weight of each component are:

Colour index number is the compound of C.I.Reactive Black 5: 50-90 part,

Nowe is cloned dark orange S-4R (Novacron Orange S-4R, the product of Huntsman): 1-50 part,

Clone yellow S-3R (Novacron Yellow S-3R, the product of Huntsman) with Nowe: 5-15 part.

More specifically, Colour index number is the compound of C.I.Reactive Black 5 in the black dye composition of the present invention, and Nowe is cloned dark orange S-4R and Nowe, and to clone the weight ratio of yellow S-3R be 70-90:5-30:5-15, particularly preferably is 80:10:10.

The preparation of dye composite of the present invention can prepare by wet blending or the dried blending of three kinds of dyestuffs.

The present invention also provides above-mentioned dye composite in hair, application in woolen dyed.

The present invention also provides a kind of and has utilized above-mentioned dye composite to carry out dyeing process, comprises the steps:

Dye composite is melted to get dye composite solution with warm water, in the dyestuff machine, add water, wool, levelling agent fully stirs, the start operation is after 10-20 minute, add while stirring above-mentioned dye composite solution, adding acetum stirs and regulates pH=4-5 again, then heat up, temperature rise rate is 1-2 ℃/minute, reaches 90-98 ℃ and adds formic acid solution adjusting pH=4-5, continues dyeing 60-90 minute, cold wash once, regulate water lotion pH=7-9 with ammoniacal liquor or aqueous sodium carbonate again, be warmed up to 50-80 ℃, process after 15-30 minute, with 50-60 ℃ of hot water wash one to twice, in cold water, wash at last post-drying or typing.

Levelling agent in the aforesaid method and the weight ratio of dye composite are 1:1-30, are preferably 1:5.

Preferably, described levelling agent is A Baige B (Huntsman product, English name ALBEGAL B).

In the aforesaid method, the concentration of acetum is 1-50wt%, is preferably 10wt%;

In the aforesaid method, the concentration of formic acid solution is 1-50wt%, is preferably 10%

In the aforesaid method, temperature rise rate is preferably 1 ℃/minute, adds formic acid solution after being warmed up to 98 ℃, and dyeing time is preferably 80-90 minute.

The Colour index number that the present invention mentions is that the structural formula of C.I.Reactive Black 5 is:

The beneficial effect that the present invention has:

Dye composite of the present invention is to obtain through conscientiously screening, Colour index number is the compound of C.I.Reactive Black 5, Nowe is cloned dark orange S-4R and Nowe and is cloned three dyestuffs of yellow S-3R and carry out in the composite black dye composition that obtains, all contain in the molecular structure of three dyestuffs one or more identical or not identical can with hair, the active group of the protein material generation chemical reactions such as wool, their energy and hairs, amino in the protein such as wool, hydroxyl, sulfydryl forms firmly covalent linkage, so good with the every fastness ability of product of this black dye composition dyeing.

The molecular structure of these three dyestuffs is similar in the black dye composition, is disazo dyes; And molecular weight approaches, so their compatibleness is good, and it is quite high to carry out reproducibility with the black dye composition of their preparations.

Black dye composition of the present invention is adjusted the pH value of dye bath with acetum and formic acid solution in dyeing course, intensity, feel and the gloss of the protein fibres such as hair, wool has been produced beneficial effect.Dyeing process process optimization of the present invention, by adopting specific heating temperature curve and specific pH adjusting agent, in acidulous dye bath (pH value 4～5), the protein fibres such as hair, wool are dyeed, and adopt specific levelling agent, lifting on the Color of dyestuff produces important impact, minimum to hair, wool damage after the dyeing, the feel and the gloss that dye rear hair promote.

Embodiment

For specifying technical scheme of the present invention, the below enumerates embodiment and describes technical scheme of the present invention in detail, and this embodiment does not form any limitation of the invention.

Embodiment 1

A kind of preparation method of black dye composition comprises the steps:

Be that compound, the 10Kg Nowe of C.I.Reactive Black 5 cloned dark orange S-4R and 10Kg Nowe and cloned and join successively in the blending tank of volume 500L after three kinds of dyestuffs of yellow S-3R are fully pulverized with the 80Kg Colour index number, fully stirred 2 hours, inspection by sampling, the rear packing of determining to stir can obtain the black dye composition of about 100kg.

Embodiment 2

The black dye composition 5Kg that embodiment 1 is made melts with 40 ℃ of warm water and places material to fill with stand-by, get black dye composition solution, add entry to dyeing machinery, the volume of water that adds and the volume sum of warm water are 500L, the 100kg wool is added in the dyeing machinery, add and start shooting operation after 15 minutes after levelling agent A Baige B 1Kg fully stirs in water, add while stirring above-mentioned black dye composition solution, and add and add water to volume to 1000L, the acetum that adds again 10wt% is regulated pH=4, the rear intensification (heat-up rate is 1 ℃/minute) that stirs adds the formic acid solution of 10wt% after 98 ℃ and regulates pH=5, continues dyeing 80 minutes, and cold wash once, use again ammoniacal liquor water transfer washing lotion pH to 8, be warming up to 50 ℃ and processed 20 minutes, with 50 ℃ of hot water wash one to twice, once finalize the design in cold wash.

By above-mentioned dyeing course, the dyeing index of dye composite that obtains embodiment 1 is as shown in table 1 below:

Table 1

	Exposure to Sunlight	Soap	Sweat stain	Unlubricated friction	Wet rubbing
						The dye composite of embodiment 1	6	4-5	4-5	4-5	4
Erie black ATT	5	3	1	4	3
						Mordant Black PV	7	4	4	4	3

Erie black ATT and Mordant Black PV are the commercially available prod in the upper table, and its dyeing condition is with the dyeing condition among the embodiment 2.

From upper table 1, can find out, the dye composite of embodiment 1 has extraordinary effect in every fastness index, but also has other good performances: solubleness is high, good level-dyeing property, very high to hair dye uptake and lifting force, can dye to the degree of depth of 10% (o.w.f.).Test-results shows that also the dye composite of embodiment 1 is all better on many index than erie black ATT and Mordant Black PV, and environmental-protecting performance is better than these two dyestuffs, so the dyestuff of embodiment 1 shows excellent performance.

Claims

1. black dye composition, it is characterized in that: this dye composite comprises that Colour index number is that compound, the Nowe of C.I.Reactive Black 5 cloned dark orange S-4R (Novacron Orange S-4R, the product of Huntsman) main ingredient and Nowe are cloned the main ingredient of yellow S-3R (Novacron Yellow S-3R, the product of Huntsman).

2. black dye composition, it is characterized in that: the component that this dye composite comprises and the parts by weight of each component are:

Colour index number is the compound of C.I.Reactive Black 5: 50-90 part,

3. described black dye composition according to claim 2 is characterized in that: described Colour index number is that compound, the Nowe of C.I.Reactive Black 5 cloned dark orange S-4R and Nowe to clone the weight ratio of yellow S-3R be 70-90:5-30:5-15.

4. it is characterized in that according to claim 2 or 3 described black dye compositions: described Colour index number is that compound, the Nowe of C.I.Reactive Black5 cloned dark orange S-4R and Nowe to clone the weight ratio of yellow S-3R be 80:10:10.

5. each described black dye composition of claim 1-4 is in hair, application in woolen dyed.

6. a method of utilizing each described black dye composition of claim 1-4 to dye is characterized in that: comprise the steps:

7. method according to claim 6, it is characterized in that: the weight ratio of described levelling agent and dye composite is 1:1-30, is preferably 1:5.

8. according to claim 6 or 7 described methods, it is characterized in that: described levelling agent is A Baige B (Huntsman product, English name ALBEGAL B).