Yellow reactive dye composition with good photosensitivity, preparation method and application thereof
By preparing a yellow reactive dye composition, the problem of yellow reactive dyes easily changing color under light was solved, and excellent photosensitivity and fastness properties were achieved. It is suitable for printing and dyeing cellulosic fiber materials and meets environmental protection requirements.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-11
- Publication Date
- 2026-03-27
AI Technical Summary
Existing yellow reactive dyes are prone to oxidative damage or photochemical reactions during the dyeing process of cellulose fibers due to light exposure, resulting in color changes and failing to meet the requirements for photosensitivity.
A yellow reactive dye composition, comprising component one, component two and/or component three, is prepared, mixed in a specific ratio and auxiliaries are added, and used for printing and dyeing cellulosic fiber materials, exhibiting excellent photosensitivity and fastness properties.
It achieves the goal of making yellow reactive dyes non-fading and non-coloring under light, with excellent light fastness, rubbing fastness and washing fastness, meeting environmental protection requirements and reducing the complexity of the production process.
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Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of fine chemicals, more particularly to a yellow reactive dye composition with good photosensitivity, a preparation method and application thereof. BACKGROUND
[0002] With the continuous development of cellulose fiber varieties and dyeing technology, the application performance of reactive dyes is also continuously improved when cellulose fibers are colored with reactive dyes. In the conventional yellow reactive dyes (such as reactive yellow 145, reactive yellow 160 and reactive yellow 107, etc.) on the market, due to the photosensitivity phenomenon, when the dye molecules on the fiber are excited by light, the energy is transferred to the fiber, so that the fiber is easily oxidized and damaged during exposure, or when the dye molecules are excited by light, the energy is transferred to other dyes, which are converted into an excited state, and photochemical reactions occur between the excited dye molecules and other molecules, resulting in changes in the color of the fabric.
[0003] The photochromic problem of the current yellow reactive dye dyed fabric is particularly prominent, and most of the yellow reactive dyes cannot meet the requirements of photosensitivity. Therefore, it is urgent to develop a yellow reactive dye with excellent photosensitivity to meet market demand. SUMMARY
[0004] 1. Technical problem to be solved
[0005] In view of the problems in the prior art, the purpose of the present application is to provide a yellow reactive dye composition with good photosensitivity, a preparation method and application thereof. The yellow reactive dye composition comprises component one, and optionally comprises component two and / or component three, and is prepared by mixing component one, component two and / or component three. It is used for printing and dyeing of cellulose fiber materials or cellulose-containing fibers. The preparation method is simple, and the yellow reactive dye has excellent photosensitivity in the dyeing of yellow dyes in reactive dyes, does not fade or change color when exposed to light, and at the same time, has excellent sunlight fastness, rubbing fastness, washing fastness, perspiration fastness and a series of fastness indicators and application performance.
[0006] 2. Technical scheme
[0007] In order to solve the above problems, the present application adopts the following technical scheme.
[0008] A yellow reactive dye composition with good photosensitivity, comprising component one, and optionally comprising component two and / or component three;
[0009] Component one comprises one or more of the dye monomer compounds represented by general formula (1):
[0010]
[0011] Component two comprises one or more of dye monomer compounds two shown in general formula (2):
[0012]
[0013] Component three comprises one or more of dye monomer compounds three shown in general formula (3):
[0014]
[0015] wherein, R1, R2, R3, R4, R5, R6, R7, R8 each independently represents -H, -SO3M, -OCH3 or -CH3;
[0016] X1 represents -Cl or -F; X2, X3 each independently represents -COCH3, -CH2CH2COOM or -COCH2CH3;
[0017] M represents -H, -Na, -K or -Li.
[0018] Further, the dye monomer compound one shown in formula (1) is selected from formula (1-1) to formula (1-3):
[0019]
[0020] The dye monomer compound two shown in formula (2) is selected from formula (2-1) to formula (2-6):
[0021]
[0022]
[0023] The dye monomer compound three shown in formula (3) is selected from formula (3-1) to formula (3-5):
[0024]
[0025]
[0026] Further, component one is 40-100 parts by weight, component two is 10-30 parts by weight, and component three is 10-30 parts by weight, and the components are compounded according to the above ratio.
[0027] Further, it further comprises 10-20 parts by weight of an auxiliary.
[0028] Further, the auxiliary is selected from one or a mixture of two or more of sodium hexametaphosphate, methyl naphthalene sulfonic acid formaldehyde condensate and naphthalene sulfonic acid formaldehyde condensate.
[0029] According to a yellow reactive dye composition with good photosensitivity, a method for preparing a yellow reactive dye composition with good photosensitivity, the yellow reactive dye composition is prepared by mixing component one with component two and / or component three in any proportion.
[0030] Further, 40-100 parts by weight of component one is mixed with 10-30 parts by weight of component two and / or 10-30 parts of component three to prepare the yellow reactive dye composition.
[0031] According to a yellow reactive dye composition with good photosensitivity, the application of a yellow reactive dye composition with good photosensitivity, for printing and dyeing of cellulose fiber materials or cellulose-containing fibers.
[0032] Further, the yellow reactive dye composition is adsorbed and dyed with the fabric in a dye bath containing an auxiliary, and an inorganic neutral salt and an alkali fixing agent are added separately or in combination to fix the color, and then washed with water, soaped, dried, and the dyed fabric is obtained.
[0033] Further, the yellow reactive dye composition is added at 0.005%-10% of the weight of the fabric, the dyeing temperature is 40-60°C, and the fixing temperature is 50-70°C.
[0034] Further, the yellow reactive dye composition is added at 2% of the weight of the fabric, and the dyeing temperature is 60°C.
[0035] 3. Benefits
[0036] Compared with the prior art, the advantages of the present application are:
[0037] (1) The present application prepares a yellow reactive dye composition with excellent photosensitivity by mixing component one with component two and / or component three, which does not fade or change color when exposed to light, and the preparation method is simple and suitable for coloring cellulose fibers in various situations.
[0038] (2) The yellow reactive dye composition in the present application has excellent sunlight fastness, rubbing fastness, washing fastness, and a series of fastness indicators and application performance.
[0039] (3) The production route of the present application is stable, which reduces the complexity in the production process, is environmentally friendly and safe, does not produce three wastes during production and use, and meets the current strict environmental protection requirements. DETAILED DESCRIPTION
[0040] The formula (1), formula (2) and formula (3) contained in the present application can be prepared by known methods by those skilled in the art.
[0041] In the compounding process of this invention, the yellow reactive dye composition is uniformly mixed according to conventional methods in the art, including but not limited to, dry powder mixing in a mixing tank, or spray drying after co-dissolving.
[0042] There are no particular restrictions on the combination method between the dye monomers. Methods include: manufacturing each dye monomer separately first, and then combining them; for example, mixing the prepared reaction solutions containing each dye monomer and then drying them to obtain the composition; or dissolving each dye monomer in a dyeing bath to obtain the same composition as the individual compositions. In this case, the mixing ratios of formulas (1), (2), and (3) in the yellow reactive dye composition can be appropriately adjusted according to the desired hue and the color and fastness indices in the application performance. The auxiliaries in the yellow reactive dye composition can be mixed with the components in any weight ratio as needed.
[0043] The yellow reactive dye composition provided in this invention is suitable for cellulose fibers and fibers containing cellulose fibers, such as cotton, linen, rayon, and wool. In its dyeing method, the amount of the yellow reactive dye composition used is typically 0.005%-10% of the fabric weight; preferably, the amount of the yellow reactive dye composition used is typically 2% of the fiber weight.
[0044] The dyeing method of the yellow reactive dye composition of this invention can be carried out according to methods known in the art, but is not limited thereto. For example, in the dyeing of cellulose fibers such as cotton, the reactive dye composition of this invention, which meets the desired hue and concentration, is added to the dye bath, and an inorganic neutral salt and an alkali binder are used individually or in combination. There is no particular limitation on the amount of inorganic neutral salt or alkali binder used in this case. Furthermore, the addition of the inorganic neutral salt or alkali binder to the dye bath can be done all at once or in batches. In addition, dyeing auxiliaries known in the art can be used in combination, but the dyeing auxiliaries are not limited thereto. The dyeing temperature is 40℃-60℃, the fixing temperature is 50℃-70℃, and the preferred dyeing temperature is 60℃.
[0045] The use of the yellow reactive dye composition in this invention can be carried out by a continuous dyeing method. It can be carried out by adding the yellow reactive dye composition alone or in combination with the alkali binder to the dye padding bath, padding according to a known method, drying, and then dyeing by dry heat or steam heat according to a known method. Alternatively, it can be carried out by padding the dye, drying, padding in a known inorganic neutral salt, and then dyeing by dry heat or steam heat according to a known method. However, the continuous dyeing method is not limited to these methods.
[0046] The present invention will be further described below with reference to specific embodiments, but the scope of protection of the present invention is not limited thereto.
[0047] Example 1:
[0048] Take 50 g of formula (1-1), 20 g of formula (2-1), 10 g of formula (3-1) and 20 g of lime powder, and mix them well in a mixing barrel to obtain a yellow reactive dye composition with color number yellow 1.
[0049] Example 2:
[0050] Take 40 g of formula (1-1), 30 g of formula (1-3), 20 g of formula (3-2) and 10 g of formula (2-3), and mix them well in a mixing barrel to obtain a yellow reactive dye composition with color number yellow 2.
[0051] Example 3:
[0052] Take 20 g of formula (1-2), 40 g of formula (1-3), 10 g of formula (2-3), 10 g of formula (2-6), 10 g of formula (3-5) and 10 g of lime powder, and mix them well in a mixing barrel to obtain a yellow reactive dye composition with color number yellow 3.
[0053] Example 4:
[0054] Take 20 g of formula (1-3), 50 g of formula (1-1), 20 g of formula (3-1) and 10 g of lime powder, and mix them well in a mixing barrel to obtain a yellow reactive dye composition with color number yellow 4.
[0055] Example 5:
[0056] Take 60 g of formula (1-1), 10 g of formula (2-4), 10 g of formula (3-5) and 10 g of lime powder, and mix them well in a mixing barrel to obtain a yellow reactive dye composition with color number yellow 5.
[0057] Example 6:
[0058] Take 40 g of formula (1-1), 10 g of formula (1-2), 30 g of formula (2-2), 10 g of formula (3-4) and 10 g of lime powder, and mix them well in a mixing barrel to obtain a yellow reactive dye composition with color number yellow 6.
[0059] Example 7:
[0060] Take 50 g of formula (1-1), 30 g of formula (3-1) and 20 g of lime powder, and mix them well in a mixing barrel to obtain a yellow reactive dye composition with color number yellow 7.
[0061] Example 8:
[0062] Take 70g of formula (1-3), 20g of formula (2-1), and 10g of formula (3-3), and mix them thoroughly in a mixing tank to obtain a yellow reactive dye composition with color number 8.
[0063] Example 9:
[0064] Take 20g of formula (1-2), 40g of formula (1-3), 10g of formula (2-5), 10g of formula (3-1) and 20g of sodium sulfate, and mix them thoroughly in a mixing tank to obtain a yellow reactive dye composition with color number yellow 9.
[0065] Example 10:
[0066] Take 80g of formula (1-1), 10g of formula (2-1) and 10g of sodium sulfate, and mix them thoroughly in a mixing tank to obtain a yellow reactive dye composition with color number yellow 10.
[0067] Example 11:
[0068] Take 40g of formula (1-3), 10g of formula (2-2), 30g of formula (3-1) and 20g of sodium sulfate, and mix them thoroughly in a mixing tank to obtain a yellow reactive dye composition with color number yellow 11.
[0069] Example 12:
[0070] Take 30g of formula (1-2), 30g of formula (1-3), 30g of formula (3-2) and 10g of formula (2-1), and mix them thoroughly in a mixing tank to obtain a yellow reactive dye composition with color number yellow 12.
[0071] Example 13:
[0072] Take 40g of formula (1-1), 30g of formula (2-2), 20g of formula (3-1) and 10g of sodium sulfate, and mix them thoroughly in a mixing tank to obtain a yellow reactive dye composition with color number yellow 13.
[0073] Example 14:
[0074] Take 40g of formula (1-2), 30g of formula (3-5), 10g of formula (2-6) and 10g of sodium sulfate, and mix them thoroughly in a mixing tank to obtain a yellow reactive dye composition with color number yellow 14.
[0075] Example 15:
[0076] Take 30g of formula (1-3), 20g of formula (1-2), 30g of formula (2-2) and 20g of sodium sulfate, and mix them thoroughly in a mixing tank to obtain a yellow reactive dye composition with color number yellow 15.
[0077] Example 16:
[0078] Take 40 g of formula (1-1), 20 g of formula (2-1), 10 g of formula (2-2) and 30 g of formula (3-1), and mix the dry powders in a mixing barrel to obtain a yellow reactive dye composition with color number yellow 16.
[0079] Prepare the formula proportions of examples 1-16, arrange them according to color number, and obtain the formula proportion table:
[0080]
[0081]
[0082] Examples 17-32:
[0083] Prepare 100 g of cotton fabric, and use the yellow reactive dye composition obtained in examples 1-16 at 2% of the fabric weight in a dye bath containing 60 / L sodium sulfate with a bath ratio of 1:20, adsorb at 60°C for 30 min, add pure alkali for fixation for 45 min, the amount of pure alkali is 15-20 g / L, and after washing, soaping, drying, obtain dyed cotton fabric, the obtained dyed cotton fabric has uniform color, excellent sunlight and wet rubbing fastness.
[0084] Test the performance of the dyed cotton fabric obtained in examples 17-32, arrange them according to color number, and obtain the application performance parameter table (the higher the grade value, the better the performance):
[0085]
[0086]
[0087] Example 33:
[0088] Prepare 100 g of hemp, and use the yellow reactive dye composition obtained in example 16 at 2% of the fabric weight in a dye bath containing 60 / L sodium sulfate with a bath ratio of 1:20, adsorb at 60°C for 30 min, add pure alkali for fixation for 45 min, the amount of pure alkali is 15-20 g / L, and after washing, soaping, drying, obtain dyed fabric, the obtained dyed fabric has uniform color, excellent sunlight and wet rubbing fastness, and its application performance parameters are:
[0089]
[0090] The dyed cotton cloth prepared in Examples 17-32 is subjected to photosensitivity application performance test, and according to a large number of experimental detections, the photosensitivity of the yellow reactive dye composition of the present application is detected, and compared with traditional reactive yellow dyes, according to the color change color card evaluation, the specific application performance parameter table is (the higher the grade value, the better the performance):
[0091]
[0092]
Claims
1. A yellow reactive dye composition with good photosensitivity, characterized in that: The yellow reactive dye composition is prepared by mixing component one, component two and component three in any proportion. Component one is selected from formula (1-1) to formula (1-3): ; Component three is selected from formula (3-1) to formula (3-5): 。 2. The photosensitivity-friendly yellow reactive dye composition according to claim 1, characterized in that: The auxiliary is selected from one or a mixture of two or more of sodium sulphate, sodium hexametaphosphate, methyl naphthalene sulfonic acid formaldehyde condensate and naphthalene sulfonic acid formaldehyde condensate.
3. A process for the preparation of a yellow reactive dye composition having good photosensitivity according to any one of claims 1-2, characterized in that: The yellow reactive dye composition is prepared by mixing component one, component two and component three in any proportion.
4. A process for the preparation of a yellow reactive dye composition having good photosensitivity according to claim 3, characterized in that: The yellow reactive dye composition is prepared by mixing 40-100 parts by weight of component one, 10-30 parts by weight of component two and 10-30 parts of component three.
5. Use of a yellow reactive dye composition according to any one of claims 1 to 2, characterised in that: Printing and dyeing of cellulose fiber materials or cellulose-containing fibers.
6. Use of a yellow reactive dye composition according to claim 5, characterised in that: The yellow reactive dye composition is adsorbed and dyed with fabric in a dye bath containing auxiliary, and a fixing agent of inorganic neutral salt and alkali is added separately or in combination, and then water washing, soaping and drying are performed to obtain dyed fabric.
7. Use of a yellow reactive dye composition according to claim 5, characterised in that: The yellow reactive dye composition is added at 0.005%-10% of the weight of the fabric, the dyeing temperature is 40-60°C, and the fixing temperature is 50-70°C.
Citation Information
Patent Citations
Yellow reactive dye composition and application thereof
CN101597435A