CN110128847B - Blue acid dye composition and dyeing application thereof on fibers - Google Patents
Blue acid dye composition and dyeing application thereof on fibers Download PDFInfo
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- CN110128847B CN110128847B CN201910415817.8A CN201910415817A CN110128847B CN 110128847 B CN110128847 B CN 110128847B CN 201910415817 A CN201910415817 A CN 201910415817A CN 110128847 B CN110128847 B CN 110128847B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0033—Blends of pigments; Mixtured crystals; Solid solutions
- C09B67/004—Mixtures of two or more reactive dyes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0071—Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions
- C09B67/0072—Preparations with anionic dyes or reactive dyes
- C09B67/0073—Preparations of acid or reactive dyes in liquid form
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/39—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using acid dyes
- D06P1/40—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using acid dyes using acid dyes without azo groups
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
- D06P3/06—Material containing basic nitrogen containing amide groups using acid dyes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
- D06P3/14—Wool
- D06P3/16—Wool using acid dyes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
- D06P3/6008—Natural or regenerated cellulose using acid dyes
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- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a blue acid dye composition and dyeing application thereof on fibers, and relates to an acid dye composition and dyeing application thereof, which has the technical key points that: a blue acid dye composition, which comprises one or more dye compounds selected from the group consisting of the dye compounds represented by the general formula (I) shown below, and one or more dye compounds selected from the group consisting of the dye compounds represented by the general formula (II) shown below; simultaneously with one or more dye compounds represented by the general formula (I): the weight ratio of one or more dye compounds represented by the general formula (II) is (40-60) to (60-40). The blue acid dye composition has excellent dyeing promotion rate, level dyeing property, permeability and various dyeing fastnesses, and can obtain colors with consistent hue and depth on the whole sock.
The general formula (I),
Description
Technical Field
The invention relates to an acid dye composition and a dyeing application thereof, in particular to a blue acid dye composition and a dyeing application thereof on fibers.
Background
The invention aims to develop a blue acid dye composition with bright color, excellent dyeing performance and good dyeing fastness, and the blue acid dye composition can be used for dyeing nylon fibers, wool fibers and cellulose fibers.
The present inventors have noted that in the nineties of the last century, Ciba Specialty Chemicals, Inc. disclosed reactive groups in patents suitable for dyeing natural or synthetic polyamide fibers. They are: α, β -dihalopropionylamino (NHCOCHb 2Br) and α -halopropoylamino (NHCOCHH 2). Later dye application practices prove that the active groups are very effective for dyeing natural or synthetic polyamide fibers.
In the practice of the present development and research, the present inventors have recognized that almost all of the brightly colored blue reactive dyes are anthraquinone derivatives of bromamine acid. The inventors have noticed the following anthraquinone dye compounds with the above reactive groups, which are:
reactive brilliant blue 4R
And c.i.acid Blue225
The dyeing practice of the two anthraquinone dye compounds shows that the two dyes are bright in color, bright in red light and blue, high in dyeing exhaustion rate and good in promotion. Unfortunately, both dyes have unsatisfactory wash fastness and perspiration fastness. The latter two fastness indicators are of great importance for the dyeing of natural or synthetic nylon, wool and cellulose fibres, and therefore a new technical solution is needed to solve the above problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a blue acid dye composition, which has excellent dyeing promotion rate, level dyeing property, permeability and various dyeing fastnesses by adopting a synergistic mode and can obtain colors with consistent hue and depth on the whole sock.
In order to achieve the purpose, the invention provides the following technical scheme: a blue acid dye composition, which comprises one or more dye compounds selected from the group consisting of the dye compounds represented by the general formula (I) shown below, and one or more dye compounds selected from the group consisting of the dye compounds represented by the general formula (II) shown below;
in the general formula (I):
R1and R1' independently of each other is H, C1-C6Alkyl, or C1-C6An alkoxy group;
R2and R2' independently of each other is H, C1-C6Alkyl, or C1-C6An alkoxy group;
x and X' are each independently H or-SO3M；
Y and Y' are each independently H or-SO3M；
Z is-CH2-、-HC＝CH-、
-CH(CH3) -, or-C (CH)3)2-；
M is H or an alkali metal cation;
in the general formula (II):
R3and R4Each independently is H or Cl;
G1and G2Are each independently-CH2CH2OSO3M, or-CH ═ CH2；
Q is-OSO3M、
or-NHCO-V-COOM;
t is- (CH)2)n-a group;
v is- (CH)2)m-a group;
n and m are each independently an integer from 1 to 4;
m is H or an alkali metal cation.
Further, one or more dye compounds represented by the general formula (I): the weight ratio of one or more dye compounds represented by the general formula (II) is (40-60) to (60-40).
Further, the dye compound represented by the general formula (I) is:
further, the dye compound represented by the general formula (II) is:
further, in the general formula (I), W is
Or
R1And R1' independently of each other is H, C1-C4An alkyl group; r2And R2' independently of each other is H, C1-C4An alkyl group; x and X' are each independently H or-SO3M; y and Y' are each independently H or-SO3M; z is-CH2-、-CH(CH3)-，or-C (CH)3)2-; m is H, Na or K.
Further, in the general formula (I), when W is selected from
When the radicals are selected, X and X' are each independently H or-SO3M, and when X and X' are-SO3When the group M is, -SO3The M group is positioned meta to the-NH-group on the benzene nucleus; r1、R1’、R2And R2' independently of one another are H or C1-C4Alkyl, and when R1、R1’、R2And R2' is C1-C4In the case of alkyl radicals, R1、R1’、R2And R2The ` group is located ortho or para to the-NH-group on the benzene nucleus.
Further, in the general formula (I), when W is selected from
When the radicals are selected, X and X' are each independently H or-SO3M, and when X and X' are-SO3When M is a group, -SO on the naphthalene ring3The M group is substituted on one of the benzene nuclei adjacent to the-NH-group.
Further, in the general formula (II), R3And R4Each independently is Cl; g1And G2Are each independently-CH2CH2OSO3M; in the general formula (II), Q is
or-NHCO-V-COOM; t is- (CH)2)n-a group; v is- (CH)2)m-a group; n and m are each independently 2 or 3; m is H or sodium ion.
Further, in the general formula (II), when Q is selected from
When radical is, -SO3The M group being located on the benzene nucleus- (CH)2)n-ortho, meta or para of the group; in the general formula (II), when Q is selected from
When radical is, -SO3The M group being located on the benzene nucleus- (CH)2)nNHCO-group ortho, meta or para.
Further, the acid dye composition also comprises anhydrous sodium sulphate, wherein the addition amount of the anhydrous sodium sulphate is 0-25 wt% based on the total weight of the dye composition.
The invention also provides the dyeing application of the blue acid dye composition to nylon fibers, wool fibers and cellulose fibers.
In conclusion, the invention has the following beneficial effects: the invention has excellent dyeing promotion rate, level dyeing property, permeability and various dyeing fastnesses, and can obtain colors with consistent hue and depth on the whole sock; optimized, the anhydrous sodium sulphate is added to alleviate the generation of pigment acid and color, so that the dyeing is more uniform, and the phenomena of color fading and color dispersion caused by too fast coloring are reduced.
Detailed Description
The blue acid dye composition comprises one or more dyes selected from the dyes represented by the general formula (I) shown below and one or more dyes selected from the dyes represented by the general formula (II) shown below.
The ratio of the dye represented by the general formula (I) to the dye represented by the general formula (II) in the dye composition of the present invention is preferably (40-60) to (60-40) in parts by weight.
In a preferred embodiment, in formula (I), W is selected from
When the radicals are selected, X and X' are each independently H or-SO3M, and when X and X' are-SO3When M is a group, -SO on the naphthalene ring3The M group is substituted on one of the benzene nuclei adjacent to the-NH-group.
In another preferred embodiment, in formula (II), Q is
When radical, -OSO3The M group being located on the benzene nucleus- (CH)2)n-ortho, meta or para of the group; in the general formula (I), Q is
When radical, -OSO3The M group being located on the benzene nucleus- (CH)2)nThe NHCO-group is ortho, meta or para.
In the present invention, the dyes represented by the general formula (I) are preferably the following examples (dye I-1 to dye I-5):
the dyes represented by the general formula (II) are preferably the following examples (dye II-1 to dye II-8):
wherein, the dye represented by the general formula (I) is a known dye, wherein the dye I-1 is a specific structural formula in the general formula (I), and the chemical structural formula is as follows:
the synthesis method of the dye I-1 comprises the following operation steps:
adding 39.4 parts of 1-amino-2-sulfonic acid-4-anilinoanthraquinone into 400 parts of 98% sulfuric acid, stirring for dissolving, cooling to 5-10 ℃, maintaining the temperature below 10 ℃, dropwise adding 40 parts of formaldehyde aqueous solution, and stirring for 3 hours to complete the reaction.
After the reaction is completed, the feed liquid is added into 500 parts of ice water, and about 10% of sodium chloride is added for salting out and filtering to obtain the dye I-1.
The reaction formula of the synthesis is as follows:
the synthesis of dyes of the same general structural formula or similar structures represented by formula (I) is disclosed in the following patents:
CN 101585974A (2009) (Tianjin DeKai)
US 3519656(1970)(Geigy)；
DE 709689(1941)(Sandoz)；
US 3813402(1974)(Crompton&Knowles Corp.)；
US 3842102(1974)(Ciba-Geigy)；
US 4077987(1978)(Bayer)；
CN 102604427a (2012) (shanghai yayun);
CN 102604411a (2012) (shanghai yayun).
Among them, the dyes represented by the general formula (II) are known dyes, and the structure of the general formula (II) is disclosed in the publication No. US 4705524(1987) (Hoechst).
The synthesis of dyes of the same general structural formula or similar structures represented by formula (II) is disclosed in the following patents:
US 4782150(1988)(Hoechst)；
US 4774333(1988)(Hoechst)；
US 4785092(1988)(Hoechst)；
US 4845213(1989)(Bayer)；
US 4885385(1989)(Hoechst)。
the blue acid dye composition can also contain various dye additives which are conventionally used in dyeing processes and dye preparations, such as sodium carbonate and sodium acetate which can be added as pH regulators, naphthalene sulfonic acid formaldehyde condensate and sulfonated lignin which can be added as fillers.
The preparation method of the blue acid dye composition comprises the following steps: the dye I and the dye II are mixed in a prescribed weight ratio by various conventional methods such as mechanical mixing. The mixed type, dye I and dye II may be present in powder form, or in the form of granules. For example, the mixing step can be carried out in the art in a mill such as a ball mill or pin mill, as well as in a kneader or mixer.
The invention also provides the dyeing application of the blue acid dye composition to nylon fibers, wool fibers and cellulose fibers.
Examples 1 to 10 and comparative examples 1 to 2 of blue acid dye composition
Various blue acid dye compositions according to examples 1 to 10 of the present invention were prepared by uniformly mixing various dye components according to the type of dye and the amount thereof shown in table 1 below by a conventional method in the art.
All of the "%" in table 1 represent weight% based on the total weight of the dye composition.
TABLE 1 Components of the dye compositions of examples 1 to 10 and their component contents
| Name of dye | The weight percentage content of the dye composition | |
| Example 1 | Dye composition A | 40% dye I-1+ 60% dye II-1 |
| Example 2 | Dye composition B | 33% dyeingMaterial I-1+ 42% dye II-1+ 25% anhydrous sodium sulphate |
| Example 3 | Dye composition C | 45% of dye I-1+ 45% of dye II-1+ 10% of anhydrous sodium sulphate |
| Example 4 | Dye composition D | 60% dye I-1+ 40% dye II-1 |
| Example 5 | Dye composition E | 50% of dye I-1+ 40% of dye II-1+ 10% of anhydrous sodium sulphate |
| Example 6 | Dye composition F | 60% of dye I-2+ 30% of dye II-1+ 10% of anhydrous sodium sulphate |
| Example 7 | Dye composition G | 50% dye I-3+ 50% dye II-6 |
| Example 8 | Dye composition H | 45% dye I-5+ 55% dye II-2 |
| Example 9 | Dye composition I | 60% dye I-1+ 40% dye II-3 |
| Example 10 | Dye setCompound J | 40% dye I-2+ 60% dye II-8 |
| Comparative example 1 | Reference dye X | 100% of dye I-1 |
| Comparative example 2 | Reference dye Y | 100% dye II-1 |
The test method comprises the following steps: the properties of the present example were measured by the following test methods
1. And (3) testing the promotion property: the nylon fabric is dyed by an acid dye at a constant temperature of 98 ℃, wherein the dyeing concentration is 1%, 2%, 3%, 4% and 5% o.w.f. (dye to fabric weight). And (3) testing the apparent depth K/S value of the dyed fabric by using a Datacolor color measuring instrument under the conditions of constant temperature and constant humidity, and recording.
2. And (3) testing the nylon dyeing exhaustion rate: preparing a dye solution, and dyeing according to an acid dyeing process. And after dyeing is finished, respectively testing the absorbance of the dyeing residual liquid and the absorbance of the dyeing solution before dyeing.
Exhaustion rate (1-absorbance of post-dyeing dye liquor/absorbance of pre-dyeing dye liquor) 100%
3. Color fastness to chlorinated water test: nylon dyed fabric, according to the international standard ISO 105E 03.
4. Testing color fastness to perspiration: nylon dyed fabric, according to the international standard ISO 105E 04.
5. Testing color fastness to seawater: nylon dyed fabric, according to the international standard ISO 105E 02.
6. And (3) testing color fastness to washing: nylon dyed fabric was measured according to international standard ISO 105C 10.
7. And (3) testing the color fastness to water immersion: nylon dyed fabric, according to the international standard ISO 105E 01.
8. And (3) nylon sock dyeing test: the nylon socks are dyed according to the constant temperature process of acid dye at 98 ℃, and the color difference dE between the sock body and the sock waist is tested by a Datacolor color measuring instrument after dyeing.
Test 1
The proportion of the dyes of the general formula (I) and the general formula (II) can be adjusted according to the color tone of the blue acid dye composition of the invention, so as to prepare blue dye mixtures with blue red light or yellow light, and blue dye mixtures which are approved by customers can be obtained according to the needs, such as the dye compositions A-J prepared in examples 1-10.
Test 2
Rate of improvement test (K/S value at absorption wavelength 610 nm)
The following dyes were tested for lift according to the test methods described above and the results are reported in Table 2.
TABLE 2 dye lifting Rate test data
As can be seen from table 2: the dyeing improvement rate at 1% dyeing concentration was 10.246-11.976 while that of comparative example 1 was 7.548 according to the change of dyeing concentration from 1% to 5% dyeing concentration; the dye lift at 2% dye concentration was 18.543-20.581 compared to 16.387 for comparative example 1; the dye lift at 3% dye concentration was 24.643-27.931 compared to 22.610 for comparative example 1; the dye lift at 4% dye concentration was 29.844-31.874 compared to 27.161 for comparative example 1; the dye improvement at 5% dye concentration was 30.776-32.975, compared to 28.906 for comparative example 1.
It can be seen that the dye compositions a to J of the present invention have significantly improved lifting properties as compared with comparative example 2 (i.e., reference dye Y).
Test 3
Determination of exhaustion rate of dyed nylon
The following dyes were measured for exhaustion by the above test method and the test results are reported in Table 3.
TABLE 3 detection data for exhaustion rate of nylon staining
As can be seen from table 3: the exhaustion rates of the nylon dyes of examples 1 to 10 were controlled to be more than 98%, whereas the exhaustion rate of the nylon dye of comparative example 2 was 96.82%, which is smaller than the exhaustion rates of the nylon dyes of examples 1 to 10. It can be seen that the dye compositions A to J of the present invention have excellent exhaustion rates of dyeing as compared with comparative example 2 (i.e., reference dye Y).
Test 4
Fastness to chlorinated water
The following dyes were tested for color fastness to chlorinated water according to the test methods described above, and the test results are reported in Table 4.
TABLE 4 measurement data of fastness to chlorinated water of the dyes
As can be seen from table 4: the dye compositions A to J according to the invention and comparative example 1 (reference dye X) both have excellent fastness to chlorinated water, as determined according to the requirements of the international standard ISO 105E 03.
Test 5
Colour fastness to perspiration
The fastness to perspiration of the following dyes was determined according to the test methods described above and the results are reported in Table 5
TABLE 5 measurement data of color fastness to perspiration
As can be seen from table 5: the requirements of the international standard ISO 105-E04 measurements show that examples 1 to 10 according to the invention (dye compositions A to J) and comparative example 1 (reference dye X) retain excellent fastness to perspiration.
Test 6
Colour fastness to sea water
The following dyes were tested for color fastness to seawater according to the test methods described above, and the test results are reported in Table 6.
TABLE 6 color fastness to seawater
As can be seen from table 6: the requirements of the international standard ISO 105-C10 measurements show that examples 1-10 according to the invention (dye compositions A-E) and comparative example 1 (reference dye X) both have excellent colorfastness to sea water.
Test 7
Color fastness to washing and water immersion
The following dyes were tested for color fastness to washing and water immersion according to the test methods described above, and the test results are reported in Table 7.
TABLE 7 measurement data of color fastness to washing and color fastness to water immersion
As can be seen from table 7: examples 1 to 10 (dye compositions A to J) of the present invention and comparative example 2 (reference dye Y) each had excellent color fastness to washing and water-immersion. In addition, as further seen from Table 7, the wash fastness ratings of examples 1-10 (i.e., dye compositions A-E) were all 4 for color change of the base fabric, cotton staining, nylon staining, and wool staining; while comparative example 2 had wash fastness ratings of only 3-4 on cotton, nylon and wool stains, which were less than the wash fastnesses of examples 1-10. It can be seen from this that the color fastness to washing of the dye compositions A to J of the present invention is markedly improved as compared with that of comparative example 2 (reference dye Y).
Test 8
Nylon sock dyeing test
The following dyes were tested for nylon sock dyeing according to the test methods described above, and the test results are reported in table 8.
Table 8 detection data of nylon socks
| Name of dye | Color difference dE |
| Dye composition B | 0.35 |
| Reference dye X | 2.82 |
| Reference dye Y | 2.19 |
As can be seen from table 8: compared with the dyes expressed in the comparative example 1 (reference dye X) and the comparative example 2 (reference dye Y), the dye composition B in the example 2 of the invention has the advantages of small color difference dE on the sock body and the sock waist, good level-dyeing property and good permeability of dyed nylon socks, and can obtain the color with consistent hue and depth on the whole socks.
The specific embodiments are only for explaining the present invention, and the present invention is not limited thereto, and those skilled in the art can make modifications without inventive contribution to the present embodiments as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (10)
1. A blue acid dye composition, which comprises one or more dye compounds selected from the group consisting of the dye compounds represented by the general formula (I) shown below, and one or more dye compounds selected from the group consisting of the dye compounds represented by the general formula (II) shown below;
in the general formula (I):
w is
Or
R1And R1' independently of each other is H, C1-C6Alkyl, or C1-C6An alkoxy group;
R2and R2' independently of each other is H, C1-C6Alkyl, or C1-C6An alkoxy group;
x and X' are each independently H or-SO3M；
Y and Y' are each independently H or-SO3M；
Z is-CH2-、-HC＝CH-、
-CH(CH3) -, or-C (CH)3)2-；
M is H or an alkali metal cation;
in the general formula (II):
R3and R4Each independently is H or Cl;
G1and G2Are each independently-CH2CH2OSO3M, or-CH ═ CH2；
Q is-OSO3M、
or-NHCO-V-COOM;
t is- (CH)2)n-a group;
v is- (CH)2)m-a group;
n and m are each independently an integer from 1 to 4;
m is H or an alkali metal cation.
2. A blue acid dye composition according to claim 1, wherein one or more dye compounds represented by the general formula (I): the weight ratio of one or more dye compounds represented by the general formula (II) is (40-60) to (60-40).
3. The blue acid dye composition according to claim 1, wherein the dye compound represented by the general formula (I) is:
4. the blue acid dye composition according to claim 1, wherein the dye compound represented by the general formula (II) is:
5. a blue acid dye composition according to claim 1, wherein in the general formula (I), W is
Or
R1And R1' independently of each other is H, C1-C4An alkyl group; r2And R2' independently of each other is H, C1-C4An alkyl group; x and X' are each independently H or-SO3M; y and Y' are each independently H or-SO3M; z is-CH2-、-CH(CH3) -, or-C (CH)3)2-; m is H, Na or K.
6. A blue acid dye composition according to claim 5, wherein in the general formula (I), when W is selected from
When the radicals are selected, X and X' are each independently H or-SO3M, and when X and X' are-SO3When the group M is, -SO3The M group is positioned meta to the-NH-group on the benzene nucleus; r1、R1’、R2And R2' independently of one another are H or C1-C4Alkyl, and when R1、R1’、R2And R2' is C1-C4In the case of alkyl radicals, R1、R1’、R2And R2The ` group is located ortho or para to the-NH-group on the benzene nucleus.
7. A blue acid dye composition according to claim 5, wherein in the general formula (I), when W is selected from
When the radicals are selected, X and X' are each independently H or-SO3M, and when X and X' are-SO3When M is a group, -SO on the naphthalene ring3With M radicals substituted on the radical with-NH-groupsOn the adjacent benzene nucleus.
8. A blue acid dye composition according to claim 1, wherein in the general formula (II), R is3And R4Each independently is Cl; g1And G2Are each independently-CH2CH2OSO3M; in the general formula (II), Q is
or-NHCO-V-COOM; t is- (CH)2)n-a group; v is- (CH)2)m-a group; n and m are each independently 2 or 3; m is H or sodium ion.
9. The blue acid dye composition according to claim 8, wherein in the general formula (II), when Q is selected from Q
When radical is, -SO3The M group being located on the benzene nucleus- (CH)2)n-ortho, meta or para of the group; in the general formula (II), when Q is selected from
When radical is, -SO3The M group being located on the benzene nucleus- (CH)2)nNHCO-group ortho, meta or para.
10. Use of a blue acid dye composition according to any one of claims 1 to 9 for dyeing nylon, wool and cellulose fibres.
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| CN103619962A (en) * | 2011-06-16 | 2014-03-05 | 克拉里安特国际有限公司 | Acid dye mixtures for polyamide and wool, containing dimer acid dyes |
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| CN102504593A (en) * | 2011-10-13 | 2012-06-20 | 上海雅运纺织化工股份有限公司 | Blue dye composition and use thereof for fiber dyeing |
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