CN110105787B - Red cationic dye composition and preparation method thereof - Google Patents
Red cationic dye composition and preparation method thereof Download PDFInfo
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- CN110105787B CN110105787B CN201910427768.XA CN201910427768A CN110105787B CN 110105787 B CN110105787 B CN 110105787B CN 201910427768 A CN201910427768 A CN 201910427768A CN 110105787 B CN110105787 B CN 110105787B
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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
- C09B67/0046—Mixtures of two or more azo dyes
- C09B67/0051—Mixtures of two or more azo dyes mixture of two or more monoazo 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
- C09B67/0075—Preparations with cationic dyes
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Abstract
The invention relates to the field of textile dyes, and discloses a red cationic dye composition which comprises a cationic dye composition with high light fastness, wherein the dye composition comprises a compound A, a compound B, a compound C, a compound D and a compound E, and the mass parts of the compound A, the compound B, the compound C, the compound D and the compound E are as follows: a compound A: 10-18; compound B: 3-8; compound C: 12-35; compound D: 15-28; compound E: 0 to 5, the content of the compound E is not zero. The red cationic dye composition improves the level-dyeing property of fibers, reduces the difference of the dyeing rates of five cationic dyes, ensures that the fibers are not easy to have colored flowers during dyeing, and ensures the bright color and luster of products.
Description
Technical Field
The invention relates to the field of textile dyes, in particular to a red cationic dye composition and a preparation method thereof.
Background
Cationic Dyes (Cationic Dyes) are one kind of textile Dyes, also called basic Dyes and basic Dyes, are dissolved in water to be in a Cationic state, are mainly used for dyeing acrylic fibers, and can also be combined with protein molecules in a saline-alkali manner, the Cationic Dyes are soluble in water and ionized in an aqueous solution to generate Dyes with positively charged colored ions, and the cations of the Dyes can be combined with acid groups of a third monomer in a fabric to dye the fibers, so that the Cationic Dyes are special Dyes for dyeing the acrylic fibers.
The affinity of the cationic dye and acrylic fiber is high, the combination is firm, the fastness is high, once the dye is dyed, dye molecules are difficult to migrate from a region with high dyeing concentration to a region with low dyeing concentration, defects of uneven dyeing are easily caused, the correction is difficult, and when the cationic dye is used, a retarding agent is required to be added, and the temperature rising speed is strictly controlled, so that the level dyeing effect is obtained.
However, in some composite cationic dyes on the market, which are blended by two to three kinds of cationic dyes, the compatibility of the dyes is greatly different, when the composite cationic dyes are used for dyeing, because the affinity of each dye and fibers is greatly different, the dye with high affinity competes for more dye bases, the adsorbed dye is more, the concentration difference with the inside of the fibers is large, the diffusion is fast, the dyeing speed is fast, the dye with low affinity competes for less dye bases, the dye adsorption is less, the concentration with the inside is small, the dyeing is slow, the dyeing speed difference of various dyes is large, the color and light of products are easily generated, and the rubbing fastness, the washing fastness and the perspiration fastness of the dyes are poor.
Disclosure of Invention
The invention provides a red cationic dye composition, which has the advantages of good level-dyeing property, good rubbing fastness, washing fastness and perspiration fastness, and solves the technical problems in the background art.
The invention provides the following technical scheme: a red cationic dye composition comprises a cationic dye composition with high light fastness, wherein the raw materials of the dye composition comprise a compound A, a compound B, a compound C, a compound D, a compound E and a dispersing auxiliary agent;
the structural formula of the compound A is as follows:
the structural formula of the compound B is as follows:
the structural formula of the compound C is as follows:
the structural formula of the compound D is as follows:
the structural formula of the compound E is as follows:
the mass parts of the compound A, the compound B, the compound C, the compound D and the compound E are as follows:
a compound A: 10-18; compound B: 3-8; compound C: 12-35; compound D: 15-28; compound E: 0 to 5, the content of the compound E is not zero.
Preferably, the dispersing aid is one or a mixture of any two of a naphthalenesulfonic acid formaldehyde condensate, a methylnaphthalenesulfonic acid formaldehyde condensate, anhydrous sodium sulfate and glucose.
The invention also discloses a preparation method of the red cationic dye composition, which comprises the following steps:
s1, dissolving a dispersing auxiliary agent in water, adding 10-18 parts by weight of a compound A dye, 3-8 parts by weight of a compound B dye, 12-35 parts by weight of a compound C dye and 15-28 parts by weight of a compound D dye into a wetting agent at the temperature of 60-80 ℃, uniformly mixing, and drying;
s2, dissolving a dispersing auxiliary agent in water, adding 0-5 parts by mass of compound E dye into a wetting agent at the temperature of 60-80 ℃, uniformly mixing, and drying;
s3, the products of the step S1 and the step S2 are mixed according to the ratio of 4: 1, adding the dispersing auxiliary agent into a mixer, and adding the dispersing auxiliary agent into the mixer;
and S4, mixing in a mixer to form a compound.
Preferably, the mixture is mixed in a blender for 2 to 4 hours in step S4.
Preferably, the mass part of the dispersing aid is equal to the sum of the mass parts of the dyes.
The invention has the following beneficial effects:
1. according to the red cationic dye composition, five cationic dyes with good compatibility are compounded, and the corresponding weight ratio of the five cationic dyes is selected, so that the fiber can fully absorb the five cationic dyes with different affinities, the level-dyeing property of the fiber is improved, the difference of the dyeing rates of the five cationic dyes is reduced, the fiber is not easy to have dyed flowers, and the bright color of the product is guaranteed; by further controlling the corresponding weight ratio of the five cationic dyes, the performances of the red cationic dye such as rubbing fastness, washing fastness, perspiration fastness and the like are obviously improved compared with the prior product.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A red cationic dye composition comprises a cationic dye composition with high light fastness, wherein the raw materials of the dye composition comprise a compound A, a compound B, a compound C, a compound D and a compound E;
the structural formula of the compound A is as follows:
the structural formula of the compound B is as follows:
the structural formula of the compound C is as follows:
the structural formula of the compound D is as follows:
the structural formula of the compound E is as follows:
the mass parts of the compound A, the compound B, the compound C, the compound D and the compound E are as follows:
a compound A: 10-18; compound B: 3-8; compound C: 12-35; compound D: 15-28; compound E: 0 to 5, the content of the compound E is not zero. The dispersing auxiliary agent is one or a mixture of any two of a naphthalenesulfonic acid formaldehyde condensate, a methylnaphthalenesulfonic acid formaldehyde condensate, anhydrous sodium sulfate and glucose. The corresponding weight ratio of the five cationic dyes is preferred by the through pipe, so that the corresponding dye base can be obtained by the cationic dyes without middle, the fibers can absorb more dyes and have enough concentration difference with the inside of the fibers, the dyeing efficiency is improved, the fibers can fully absorb the five cationic dyes with different affinities, the level-dyeing property of the fibers is improved, the difference of the dyeing rates of the five cationic dyes is reduced, the fibers are not easy to have dyeing defects, the color and luster of products are ensured to be bright, and the dispersing auxiliary agent of the cationic dye composition is a naphthalenesulfonic acid formaldehyde condensate, a methylnaphthalenesulfonic acid formaldehyde condensate, anhydrous sodium sulfate, glucose or a mixture of the anhydrous sodium sulfate and the glucose.
The cationic dye composition is prepared as follows:
s1, dissolving a dispersing auxiliary agent in water, adding 10-18 parts by weight of a compound A dye, 3-8 parts by weight of a compound B dye, 12-35 parts by weight of a compound C dye and 15-28 parts by weight of a compound D dye into a wetting agent at the temperature of 60-80 ℃, uniformly mixing, and drying;
s2, dissolving a dispersing auxiliary agent in water, adding 0-5 parts by mass of compound E dye into a wetting agent at the temperature of 60-80 ℃, uniformly mixing, and drying;
s3, the products of the step S1 and the step S2 are mixed according to the ratio of 4: 1, adding the dispersing auxiliary agent into a mixer, and adding the dispersing auxiliary agent into the mixer;
and S4, mixing for 2-4 hours in a mixer to form a compound.
The humectant can be freely selected according to the prior art in the specific implementation preparation process, for example, the humectant can be selected from sulfonated oil, soap, nekal BX and the like, and soybean lecithin, thiols, hydrazides, thiol acetals and the like can also be used. The dosage of the wetting agent is selected according to the actual situation, and the dosage can be used according to the instruction of the wetting agent.
By shortening the dyeing process, the energy and the cost are effectively saved, and the dyeing efficiency is improved.
The present invention is further illustrated by the following examples, but the scope of the invention is not limited thereto.
TABLE 1
| Compound A | Compound B | Compound C | Compound D | Compound E | |
| Example 1 | 10 | 3 | 12 | 15 | 1 |
| Example 2 | 12 | 4 | 20 | 18 | 2 |
| Example 3 | 14 | 5 | 25 | 22 | 3 |
| Example 4 | 16 | 6 | 30 | 26 | 4 |
| Example 5 | 18 | 8 | 35 | 28 | 5 |
The performance of the compound compounded in the embodiment is detected, and the detection method comprises the following steps: general conditions for dyeing GB2374 dye, and method for measuring dyeing color light and intensity of GB2399 cationic dye.
And observing the color light of the cloth sample, and determining the dyeing fastness of the cloth sample by adopting a national standard GB3920-2008 textile rubbing color fastness test method, a GB3921.3-2008 textile color fastness to washing test method and a GB3922-1995 textile color fastness to perspiration test method.
Comparative example 1, tested as described above using cationic Red SD-GRL, the results of which are shown in Table 2
| Name of the embodiment | Fastness to rubbing | Fastness to washing | Fastness to perspiration |
| Example 1 | 4-5 | 4-5 | 4-5 |
| Example 2 | 4-5 | 4-5 | 4-5 |
| Example 3 | 4-5 | 4-5 | 4-5 |
| Example 4 | 4-5 | 4-5 | 4-5 |
| Example 5 | 4-5 | 4-5 | 4-5 |
| Comparative example 1 | 3 | 2-3 | 3 |
The test result shows that: the red cationic dye has excellent performances of rubbing fastness, washing fastness, perspiration fastness and the like, bright color and excellent high-temperature resistance.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A red cationic dye composition characterized by: the dye composition comprises a cationic dye composition with high light fastness, wherein the raw materials of the dye composition comprise a compound A, a compound B, a compound C, a compound D, a compound E and a dispersing auxiliary agent;
the structural formula of the compound A is as follows:
the structural formula of the compound B is as follows:
the structural formula of the compound C is as follows:
the structural formula of the compound D is as follows:
the structural formula of the compound E is as follows:
the mass parts of the compound A, the compound B, the compound C, the compound D and the compound E are as follows:
a compound A: 10-18; compound B: 3-8; compound C: 12-35; compound D: 15-28; compound E: 0 to 5, the content of the compound E is not zero;
the dispersing auxiliary agent is one or a mixture of any two of a naphthalenesulfonic acid formaldehyde condensate, a methylnaphthalenesulfonic acid formaldehyde condensate, anhydrous sodium sulfate and glucose;
the mass portion of the dispersing auxiliary agent is equal to the sum of the mass portions of the dyes.
2. A preparation method of a red cationic dye composition is characterized by comprising the following steps:
s1, dissolving a dispersing auxiliary agent in water, adding 10-18 parts by weight of a compound A dye, 3-8 parts by weight of a compound B dye, 12-35 parts by weight of a compound C dye and 15-28 parts by weight of a compound D dye into a wetting agent at the temperature of 60-80 ℃, uniformly mixing, and drying;
s2, dissolving a dispersing auxiliary agent in water, adding 0-5 parts by mass of compound E dye into a wetting agent at the temperature of 60-80 ℃, uniformly mixing, and drying;
s3, the products of the step S1 and the step S2 are mixed according to the ratio of 4: 1, adding the dispersing auxiliary agent into a mixer, and adding the dispersing auxiliary agent into the mixer;
and S4, mixing in a mixer to form a compound.
3. The method of claim 2, wherein the cationic red dye composition comprises: in step S4, the mixture is mixed in a blender for 2-4 hours.
4. The method of claim 3, wherein the cationic red dye composition comprises: the mass portion of the dispersing auxiliary agent is equal to the sum of the mass portions of the dyes.
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| CN201910427768.XA CN110105787B (en) | 2019-05-22 | 2019-05-22 | Red cationic dye composition and preparation method thereof |
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| CN110105787B true CN110105787B (en) | 2021-01-08 |
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| CN112876877B (en) * | 2021-01-19 | 2022-07-19 | 上海贝通色彩科技有限公司 | Cationic dye composition for acetate fibers and preparation method thereof |
| CN114350176A (en) * | 2021-12-22 | 2022-04-15 | 广东职业技术学院 | Dye composition and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4097233A (en) * | 1972-12-16 | 1978-06-27 | Nippon Kayaku Co., Ltd. | Basic dye composition |
| DE2822913C2 (en) * | 1978-05-26 | 1982-08-19 | Hoechst Ag, 6000 Frankfurt | Process for spin dyeing polymers or copolymers of acrylonitrile |
| CN103360789B (en) * | 2013-07-24 | 2015-04-22 | 杭州璟江瑞华科技有限公司 | Composite cationic dye composition with high light fastness |
| CN106280544B (en) * | 2015-05-29 | 2017-11-17 | 上海汇友精密化学品有限公司 | A kind of cationic black dyes composition |
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