CN114621602A - Compounding method of active navy blue dye suitable for dyeing composite cellulose fibers, product and application thereof - Google Patents
Compounding method of active navy blue dye suitable for dyeing composite cellulose fibers, product and application thereof Download PDFInfo
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- CN114621602A CN114621602A CN202210354652.XA CN202210354652A CN114621602A CN 114621602 A CN114621602 A CN 114621602A CN 202210354652 A CN202210354652 A CN 202210354652A CN 114621602 A CN114621602 A CN 114621602A
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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
- C09B67/0055—Mixtures of two or more disazo dyes
- C09B67/0057—Mixtures of two or more reactive disazo dyes
- C09B67/0059—Mixtures of two or more reactive disazo dyes all the reactive groups are not directly attached to a heterocyclic system
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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
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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
- C09B67/0079—Azoic dyestuff preparations
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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
- D06P1/38—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 reactive dyes
- D06P1/382—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 reactive dyes reactive group directly attached to heterocyclic group
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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
- D06P1/38—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 reactive dyes
- D06P1/384—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 reactive dyes reactive group not directly attached to heterocyclic group
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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
- D06P3/82—Textiles which contain different kinds of fibres
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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Abstract
The invention discloses a compounding method of an active navy blue dye suitable for dyeing composite cellulose fibers, and a product and application thereof, and belongs to the field of dyes. A compounding method of an active navy blue dye suitable for dyeing composite cellulose fibers is characterized by comprising the following steps: the composition is prepared from the following raw materials in parts by weight: 60-90wt% of dye A and 10-40wt% of dye B, and the balance of assistant C; selecting dye A and dye B which have different color yields and respectively have advantages on cotton and rayon, blending 60-90wt% of dye A, 10-40wt% of dye B and auxiliary agent C according to three primary colors, and obtaining the reactive dye dark blue which can be suitable for dyeing composite cellulose fibers at different depths and different proportions under the same bath dyeing treatment. The dyeing process solves the problems of large color difference, poor cloth cover saturation and fullness and poor cloth cover effect after the cotton and the rayon are subjected to one-bath dyeing by the conventional dye.
Description
Technical Field
The invention relates to the field of dyes, in particular to a compounding method of an active navy blue dye suitable for dyeing composite cellulose fibers, and a product and application thereof.
Background
With the continuous improvement of various textile processing technologies and the requirements of people on diversification, comfort, individuation and the like of wearing requirements, cotton and rayon composite fiber fabrics are increasingly used in the aspect of clothes, the quality requirements of the clothes of people are improved, the requirements on various fastnesses of the fabrics are also improved, the color saturation and fullness are also more and more strict, and some dyes used in the past cannot meet the current requirements.
In cotton and rayon blended or interwoven fabrics, because the color yields of two fibers to dyes are different, the two fibers on the same fabric have different colors under the same dyeing condition, and the dyed two fibers can be directly expressed as low cloth saturation, low fullness and high color difference after dyeing, the cloth cover effect of the fabric is seriously influenced, and the requirements of customers cannot be met.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a compounding method of an active navy blue dye suitable for dyeing of composite cellulose fibers, which solves the problems of large chromatic aberration, poor cloth cover saturation and fullness and poor cloth cover effect of the existing dye after the cotton and the rayon are subjected to one-bath dyeing treatment.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A compounding method of an active navy blue dye suitable for dyeing composite cellulose fibers comprises the following raw materials in parts by weight: 60-90wt% of dye A and 10-40wt% of dye B, and the balance of assistant C;
selecting dye A and dye B which have different color yields and respectively have advantages on cotton and rayon, blending 60-90wt% of dye A, 10-40wt% of dye B and auxiliary agent C according to three primary colors, and obtaining the reactive dye dark blue which can be suitable for dyeing composite cellulose fibers at different depths and different proportions under the same-bath dyeing treatment.
Preferably, the dye A is active navy blue L1002, and the chemical structural formula of the active navy blue L1002 is shown in the specification
Preferably, the dye B is active navy EGB, and the chemical formula of the dye B is
Preferably, the auxiliary agent is one or a mixture of sodium sulfate and a leveling agent 2 #.
An active navy blue dye is prepared by a compounding method of the active navy blue dye suitable for dyeing composite cellulose fibers.
The application of the active navy blue dye is applied to the one-bath dyeing of cotton and rayon blended fabrics or cotton and rayon blended interwoven fabrics;
the specific dyeing steps are as follows:
the method comprises the following steps: adding the cotton and rayon blended fabric or the cotton and rayon blended interwoven fabric into a dye bath containing active dark blue dye, wherein the temperature of the dye bath is 40-50 ℃, the bath ratio is 1-10, and the operation lasts for 10-12 min;
step two: adding an accelerating agent of 40-60g/L, and running for 8-11 min;
step three: heating to 60 deg.C at a speed of 1 deg.C/min, and running for 9-12 min;
step four: adding 10-15g/L color fixing agent, running for 40-55min, and then sequentially performing washing, soaping, washing and drying.
Preferably, the accelerant is one or more of sodium sulfate, sodium chloride and potassium chloride.
Preferably, the fixing agent is one or more of sodium carbonate, sodium bicarbonate, sodium silicate and sodium hydroxide.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) after the cotton and rayon blended or cotton and rayon blended interwoven fabric is subjected to one-bath dyeing treatment by the active navy blue dye obtained by compounding the dye A, the dye B and the auxiliary agent, the color difference between the cotton and rayon blended or cotton and rayon blended interwoven fabric is small, the cloth cover saturation and fullness are high, and the cloth cover effect is good.
(2) The invention relates to a reactive navy blue dye obtained by compounding a dye A, a dye B and an auxiliary agent, which can achieve the balance of two fiber depths in each depth after the cotton and rayon blended or interwoven fabric is subjected to one-bath dyeing treatment.
(3) The reactive navy blue dye obtained by compounding the dye A, the dye B and the auxiliary agent can dye cotton and rayon blended or interwoven fabrics by one-bath dyeing, and the dyeing operation is convenient.
Detailed Description
A compounding method of an active navy blue dye suitable for dyeing composite cellulose fibers comprises the following raw materials in parts by weight: 60-90wt% of dye A and 10-40wt% of dye B, and the balance of assistant C;
selecting dye A and dye B which have different color yields and respectively have advantages on cotton and rayon, blending 60-90wt% of dye A, 10-40wt% of dye B and auxiliary agent C according to three primary colors, and obtaining the reactive dye dark blue which can be suitable for dyeing composite cellulose fibers at different depths and different proportions under the same-bath dyeing treatment.
The dye A and the dye B are both existing dye compounds and can be purchased in the market, and the assistant C is an existing dyeing assistant and can be purchased in the market.
The dye A is active navy blue L1002, and the chemical structural formula of the active navy blue L1002 is shown in the specification
Dye B is active navy blue EGB, and the chemical formula of the dye B is
The auxiliary agent is one or a mixture of sodium sulfate and a leveling agent 2#, and the sodium sulfate and the leveling agent 2# can be purchased from the market.
The technique of the present invention is further illustrated by the following specific examples:
the reactive navy blue dye of the following examples 1-6 is mixed by 65 wt% of dye A and 35 wt% of dye B.
Example 1
The cloth seeds are 5g of cotton cloth and 5g of human cotton cloth, the bath ratio is 1:10, the dyeing depth is 1.0 percent, the sodium sulfate is 50g/L, the sodium carbonate is 12g/L, and the specific operation is as follows:
taking 5g cotton cloth and 5g rayon as cloth sample, placing in 100ml dye bath containing 0.005g active dark blue dye at 40 deg.C, running for 10min, adding 5g sodium sulfate, and running for 10 min; heating to 60 ℃ at the speed of 1 ℃/min, running for 10min, adding 1.2g of sodium carbonate, running for 45min, then washing with water, soaping, washing with water again, and drying to obtain dyed cloth.
The dyed cloth is subjected to DATCOLOR 850 color measurement, and the result is marked by cotton cloth, and the color difference of the human cotton cloth is that delta E is 0.24.
Control group 1
The cloth seed is 5g cotton cloth and 5g human cotton cloth, the bath ratio is 1:10, the dyeing depth is 1.0%, the sodium sulfate is 50g/L, the sodium carbonate is 12g/L, and the concrete operations are as follows:
taking 5g cotton cloth and 5g rayon cloth as cloth sample, placing in 100ml dye bath containing 0.005g dye A at 40 deg.C, running for 10min, adding 5g sodium sulfate, and running for 10 min; heating to 60 ℃ at the speed of 1 ℃/min, running for 10min, adding 1.2g of sodium carbonate, running for 45min, then washing with water, soaping, washing with water again, and drying to obtain dyed cloth.
And (3) performing DATCOLOR 850 color measurement on the dyed cloth, wherein the result is that the cotton cloth is used as a standard, and the color difference of the human cotton cloth is delta E-2.5.
Control group 2
The cloth seeds are 5g of cotton cloth and 5g of human cotton cloth, the bath ratio is 1:10, the dyeing depth is 1.0 percent, the sodium sulfate is 50g/L, the sodium carbonate is 12g/L, and the specific operation is as follows:
taking 5g cotton cloth and 5g rayon cloth as cloth sample, placing in 100ml dye bath containing 0.005g dye B at 40 deg.C, running for 10min, adding 5g sodium sulfate, and running for 10 min; heating to 60 ℃ at the speed of 1 ℃/min, running for 10min, adding 1.2g of sodium carbonate, running for 45min, then washing with water, soaping, washing with water again, and drying to obtain dyed cloth.
The dyed cloth was subjected to DATCOLOR 850 color measurement, and the result was marked with cotton cloth, and the human cotton cloth color difference was Δ E ═ 3.2.
Example 2
The cloth seed is 5g cotton cloth and 5g human cotton cloth, the bath ratio is 1:10, the dyeing depth is 1.0%, the sodium sulfate is 50g/L, the sodium carbonate is 12g/L, and the concrete operations are as follows:
taking 5g cotton cloth and 5g rayon as cloth sample, placing in 100ml dye bath containing 0.02g active dark blue dye at 40 deg.C, running for 10min, adding 5g sodium sulfate, and running for 10 min; heating to 60 ℃ at the speed of 1 ℃/min, running for 10min, adding 1.2g of sodium carbonate, running for 45min, then washing with water, soaping, washing with water again, and drying to obtain dyed cloth.
The dyed cloth was subjected to DATCOLOR 850 color measurement, and the result was marked with cotton cloth, and the human cotton cloth color difference was Δ E ═ 0.17.
Control group 3
The cloth seeds are 5g of cotton cloth and 5g of human cotton cloth, the bath ratio is 1:10, the dyeing depth is 1.0 percent, the sodium sulfate is 50g/L, the sodium carbonate is 12g/L, and the specific operation is as follows:
taking 5g cotton cloth and 5g rayon cloth as cloth sample, placing in 100ml dye bath containing 0.02g dye A at 40 deg.C, running for 10min, adding 5g sodium sulfate, and running for 10 min; heating to 60 ℃ at the speed of 1 ℃/min, running for 10min, adding 1.2g of sodium carbonate, running for 45min, then washing with water, soaping, washing with water again, and drying to obtain dyed cloth.
The dyed cloth was subjected to DATCOLOR 850 color measurement, and the result was indicated as cotton cloth, and the human cotton cloth color difference was Δ E ═ 2.7.
Control group 4
The cloth seeds are 5g of cotton cloth and 5g of human cotton cloth, the bath ratio is 1:10, the dyeing depth is 1.0 percent, the sodium sulfate is 50g/L, the sodium carbonate is 12g/L, and the specific operation is as follows:
taking 5g cotton cloth and 5g rayon cloth as cloth sample, placing in 100ml dye bath containing 0.02g dye B at 40 deg.C, running for 10min, adding 5g sodium sulfate, and running for 10 min; heating to 60 ℃ at the speed of 1 ℃/min, running for 10min, adding 1.2g of sodium carbonate, running for 45min, then washing with water, soaping, washing with water again, and drying to obtain dyed cloth.
The dyed cloth was subjected to DATCOLOR 850 color measurement, and the result was marked with cotton cloth, and the human cotton cloth color difference was Δ E ═ 1.9.
Example 3
The cloth seeds are 5g of cotton cloth and 5g of human cotton cloth, the bath ratio is 1:10, the dyeing depth is 1.0 percent, the sodium sulfate is 60g/L, the sodium carbonate is 15g/L, and the specific operation is as follows:
taking 5g cotton cloth and 5g rayon as cloth sample, placing in 100ml dye bath containing 0.02g active dark blue dye at 40 deg.C, running for 10min, adding 6g sodium sulfate, and running for 10 min; heating to 60 ℃ at the speed of 1 ℃/min, running for 10min, adding 1.5g of sodium carbonate, running for 45min, then washing with water, soaping, washing with water again, and drying to obtain dyed cloth.
The dyed cloth was subjected to DATCOLOR 850 color measurement, and the result was marked with cotton cloth, and the human cotton cloth color difference was Δ E ═ 0.20.
Example 4
The cloth seeds are 5g of cotton cloth and 5g of human cotton cloth, the bath ratio is 1:10, the dyeing depth is 4.0 percent, the sodium sulfate is 60g/L, the sodium carbonate is 15g/L, and the specific operation is as follows:
taking 5g cotton cloth and 5g rayon as cloth sample, placing in 100ml dye bath containing 0.02g active dark blue dye at 40 deg.C, running for 10min, adding 6g sodium sulfate, and running for 10 min; heating to 60 ℃ at the speed of 1 ℃/min, running for 10min, adding 1.5g of sodium carbonate, running for 45min, then washing with water, soaping, washing with water again, and drying to obtain dyed cloth.
And (3) performing DATCOLOR 850 color measurement on the dyed cloth, wherein the result is that the cotton cloth is used as a standard, and the color difference of the human cotton cloth is that delta E is 0.13.
Example 5
The cloth seeds are 2g of cotton cloth and 8g of human cotton cloth, the bath ratio is 1:10, the dyeing depth is 2.0 percent, the sodium sulfate is 60g/L, the sodium carbonate is 15g/L, and the specific operation is as follows:
taking 2g cotton cloth and 8g rayon cloth as cloth sample, placing in 100ml dye bath containing 0.04g active navy blue dye at 40 deg.C, running for 10min, adding 6g sodium sulfate, and running for 10 min; heating to 60 ℃ at the speed of 1 ℃/min, running for 10min, adding 1.5g of sodium carbonate, running for 45min, then washing with water, soaping, washing with water again, and drying to obtain dyed cloth.
The dyed cloth was subjected to DATCOLOR 850 color measurement, and the result was marked with cotton cloth, and the human cotton cloth color difference was Δ E ═ 0.23.
Control group 5
The cloth seed is 2g cotton cloth and 8g human cotton cloth, the bath ratio is 1:10, the dyeing depth is 2.0%, the sodium sulfate is 60g/L, the sodium carbonate is 15g/L, and the specific operation is as follows:
taking 2g cotton cloth and 8g rayon as cloth samples, placing in 100ml dye bath containing 0.04g dye A at 40 deg.C, running for 10min, adding 6g sodium sulfate, and running for 10 min; heating to 60 ℃ at the speed of 1 ℃/min, running for 10min, adding 1.5g of sodium carbonate, running for 45min, then washing with water, soaping, washing with water again, and drying to obtain dyed cloth.
The dyed cloth was subjected to DATCOLOR 850 color measurement, and the result was indicated as cotton cloth, and the human cotton cloth color difference was Δ E ═ 2.8.
Control group 6
The cloth seeds are 2g of cotton cloth and 8g of human cotton cloth, the bath ratio is 1:10, the dyeing depth is 2.0 percent, the sodium sulfate is 60g/L, the sodium carbonate is 15g/L, and the specific operation is as follows:
taking 2g cotton cloth and 8g rayon cloth as cloth samples, placing in 100ml dye bath containing 0.04g dye B at 40 deg.C, running for 10min, adding 6g sodium sulfate, and running for 10 min; heating to 60 ℃ at the speed of 1 ℃/min, running for 10min, adding 1.5g of sodium carbonate, running for 45min, then washing with water, soaping, washing with water again, and drying to obtain dyed cloth.
The dyed cloth is subjected to DATCOLOR 850 color measurement, and the result is marked by cotton cloth, and the color difference of the human cotton cloth is delta E-3.3.
Example 6
The cloth seeds are 8g of cotton cloth and 2g of human cotton cloth, the bath ratio is 1:10, the dyeing depth is 2.0 percent, the sodium sulfate is 60g/L, the sodium carbonate is 15g/L, and the specific operation is as follows:
taking 8g cotton cloth and 2g rayon cloth as cloth sample, placing in 100ml dye bath containing 0.04g active navy blue dye at 40 deg.C, running for 10min, adding 6g sodium sulfate, and running for 10 min; heating to 60 ℃ at the speed of 1 ℃/min, running for 10min, adding 1.5g of sodium carbonate, running for 45min, then washing with water, soaping, washing with water again, and drying to obtain dyed cloth.
The dyed cloth was subjected to DATCOLOR 850 color measurement, and the result was marked with cotton cloth, and the human cotton cloth color difference was Δ E ═ 0.25.
Control group 7
The cloth seeds are 8g of cotton cloth and 2g of human cotton cloth, the bath ratio is 1:10, the dyeing depth is 2.0 percent, the sodium sulfate is 60g/L, the sodium carbonate is 15g/L, and the specific operation is as follows:
taking 8g cotton cloth and 2g rayon cloth as cloth samples, placing in 100ml dye bath containing 0.04g dye A at 40 deg.C, running for 10min, adding 6g sodium sulfate, and running for 10 min; heating to 60 ℃ at the speed of 1 ℃/min, running for 10min, adding 1.5g of sodium carbonate, running for 45min, then washing with water, soaping, washing with water again, and drying to obtain dyed cloth.
The dyed cloth was subjected to DATCOLOR 850 color measurement, and the result was marked with cotton cloth, and the human cotton cloth color difference was Δ E ═ 1.6.
Control group 8
The cloth seeds are 8g of cotton cloth and 2g of human cotton cloth, the bath ratio is 1:10, the dyeing depth is 2.0 percent, the sodium sulfate is 60g/L, the sodium carbonate is 15g/L, and the specific operation is as follows:
taking 8g cotton cloth and 2g rayon as cloth samples, placing in 100ml dye bath containing 0.04g dye B at 40 deg.C, running for 10min, adding 6g sodium sulfate, and running for 10 min; heating to 60 ℃ at the speed of 1 ℃/min, running for 10min, adding 1.5g of sodium carbonate, running for 45min, then washing with water, soaping, washing with water again, and drying to obtain dyed cloth.
The dyed cloth was subjected to DATCOLOR 850 color measurement, and the result was indicated as cotton cloth, and the human cotton cloth color difference was Δ E ═ 2.8.
Example 7
The cloth seed is 8g cotton cloth and 2g human cotton cloth, the bath ratio is 1:10, the dyeing depth is 2.0 percent, the sodium sulfate is 60g/L, the sodium carbonate is 15g/L, the active dark blue dye is prepared by mixing 60wt percent of dye A and 40wt percent of dye B, and the specific operation is as follows:
taking 8g cotton cloth and 2g rayon cloth as cloth sample, placing in 100ml dye bath containing 0.04g active navy blue dye at 40 deg.C, running for 10min, adding 6g sodium sulfate, and running for 10 min; heating to 60 ℃ at the speed of 1 ℃/min, running for 10min, adding 1.5g of sodium carbonate, running for 45min, then washing with water, soaping, washing with water again, and drying to obtain dyed cloth.
The dyed cloth was subjected to DATCOLOR 850 color measurement, and the result was marked with cotton cloth, and the human cotton cloth color difference was Δ E ═ 0.14.
Example 8
The cloth seed is 8g cotton cloth and 2g human cotton cloth, the bath ratio is 1:10, the dyeing depth is 2.0 percent, the sodium sulfate is 60g/L, the sodium carbonate is 15g/L, the active navy blue dye is prepared by mixing 85wt percent of dye A and 15wt percent of dye B, and the specific operation is as follows:
taking 8g cotton cloth and 2g rayon cloth as cloth sample, placing in 100ml dye bath containing 0.04g active navy blue dye at 40 deg.C, running for 10min, adding 6g sodium sulfate, and running for 10 min; heating to 60 ℃ at the speed of 1 ℃/min, running for 10min, adding 1.5g of sodium carbonate, running for 45min, then washing with water, soaping, washing with water again, and drying to obtain dyed cloth.
The dyed cloth was subjected to DATCOLOR 850 color measurement, and the result was marked with cotton cloth, and the human cotton cloth color difference was Δ E ═ 0.09.
Example 9
The cloth seed is 8g cotton cloth and 2g human cotton cloth, the bath ratio is 1:10, the dyeing depth is 2.0 percent, the sodium sulfate is 60g/L, the sodium carbonate is 15g/L, the active dark blue dye is prepared by mixing 88wt percent of dye A and 12wt percent of dye B, and the specific operation is as follows:
taking 8g cotton cloth and 2g rayon cloth as cloth sample, placing in 100ml dye bath containing 0.04g active navy blue dye at 40 deg.C, running for 10min, adding 6g sodium sulfate, and running for 10 min; heating to 60 ℃ at the speed of 1 ℃/min, running for 10min, adding 1.5g of sodium carbonate, running for 45min, then washing with water, soaping, washing with water again, and drying to obtain dyed cloth.
The dyed cloth was subjected to DATCOLOR 850 color measurement, and the result was marked with cotton cloth, and the human cotton cloth color difference was Δ E ═ 0.18.
Example 10
The cloth seed is 8g cotton cloth and 2g human cotton cloth, the bath ratio is 1:10, the dyeing depth is 2.0 percent, the sodium sulfate is 60g/L, the sodium carbonate is 15g/L, the active dark blue dye is prepared by mixing 86 weight percent of dye A, 12 weight percent of dye B and 2 weight percent of leveling agent 2#, and the specific operation is as follows:
taking 8g cotton cloth and 2g rayon cloth as cloth sample, placing in 100ml dye bath containing 0.04g active navy blue dye at 40 deg.C, running for 10min, adding 6g sodium sulfate, and running for 10 min; heating to 60 ℃ at the speed of 1 ℃/min, running for 10min, adding 1.5g of sodium carbonate, running for 45min, then washing with water, soaping, washing with water again, and drying to obtain dyed cloth.
And (3) performing DATCOLOR 850 color measurement on the dyed cloth, wherein the result is that the cotton cloth is used as a standard, and the color difference of the human cotton cloth is that delta E is 0.15.
Example 11
The cloth seeds are 2g of cotton cloth and 8g of human cotton cloth, the bath ratio is 1:10, the dyeing depth is 2.0 percent, the sodium sulfate is 60g/L, the sodium carbonate is 15g/L, the active dark blue dye is prepared by mixing 86 weight percent of dye A, 12 weight percent of dye B and 2 weight percent of leveling agent 2#, and the specific operation is as follows:
taking 2g cotton cloth and 8g rayon cloth as cloth sample, placing in 100ml dye bath containing 0.04g active navy blue dye at 40 deg.C, running for 10min, adding 6g sodium sulfate, and running for 10 min; heating to 60 ℃ at the speed of 1 ℃/min, running for 10min, adding 1.5g of sodium carbonate, running for 45min, then washing with water, soaping, washing with water again, and drying to obtain dyed cloth.
The dyed cloth was subjected to DATCOLOR 850 color measurement, and the result was marked with cotton cloth, and the human cotton cloth color difference was Δ E ═ 0.21.
Table: experimental data analysis tables for the cloth samples of examples 1-11, all carried out at a bath ratio of 1:10
Color difference value: the difference of colors is expressed by delta E, the difference of colors is generally evaluated and widely applied to plastics, printing, paint ink, textile clothes and the like (delta E is less than 0.25, the color difference is very small or not; 0.25 is less than delta E is less than 0.5, the color difference is slight, 0.5 is less than delta E is less than 1.0, the color difference is slight to moderate and is accepted only in some application fields, 1.0 is less than delta E is less than 2.0, the color difference is moderate and is only accepted in specific application, and 2.0 is less than delta E is less than 4.0 delta E, the color difference is larger).
The surface depth of the dyed object is an important index for comprehensively evaluating the dyeing performance of textiles, such as hue, brightness, saturation, uniformity and the like of colors. Many dyes tend to have a certain influence on the hue, brightness and saturation of dyed products along with the increase or decrease of dyeing depth.
Examples 12 to 13 were the same except that the dyeing depth of cotton and rayon and the mixing ratio of cotton and rayon were different from those of example 4.
From the data of example 1 and example 2 in the table, it can be analyzed that the concentration change of the dye liquor does not cause color difference of cotton and rayon which are treated by the same-bath dyeing when the reactive navy blue dye is used for dyeing cotton and rayon in the same bath.
As can be seen from the comparison groups 1-6, when the dye A and the dye B respectively carry out one-bath dyeing on cotton and rayon or cotton and rayon blended interwoven fabrics, the problem of large chromatic aberration exists between the cotton and the rayon after dyeing treatment; it can be seen from the comparison groups 1 and 3, and the comparison groups 2 and 4 that the problem of large color difference between the dyed cotton and the rayon cannot be solved by adjusting the concentrations of the dye solutions when the dye A and the dye B are used for carrying out the one-bath dyeing on the cotton and the rayon or the cotton and rayon blended interwoven fabric respectively.
It can be seen from the controls 1-2 and example 1, from the controls 3-4 and example 2, and from the controls 7-8 and example 8 that the problem of a large color difference between cotton and rayon after dyeing when the dye a and the dye B are respectively subjected to one-bath dyeing of cotton and rayon or cotton and rayon blended interwoven fabrics can be improved only when the dye a and the dye B are mixed.
From the data of the example 2 and the example 3 in the table, it can be analyzed that when the reactive navy blue dye is used for dyeing cotton and rayon in one bath, the influence of the addition of the accelerating agent and the fixing agent on the reactive navy blue dye is small, and further, the reactive navy blue dye can be presumed to be used for well dyeing cotton and rayon.
From the data of examples 3 and 4 in the table, it can be analyzed that when the reactive navy blue dye is used for dyeing cotton and rayon in one bath, the reactive navy blue dye is less influenced by the dyeing depth, so that the cotton and rayon blended fabric can reach the balance of the two fiber depths in each depth.
The data of the examples 5 and 6 in the table show that the reactive navy blue dye can be used for dyeing cotton and rayon with different mixing ratios in one bath, the color difference between the dyed cotton and rayon is small, the cloth surface saturation and fullness are high, and the cloth surface effect is good.
Through the examples 12-13, it can be found that when the active navy blue dye is used for carrying out one-bath dyeing on cotton or rayon, the cotton and the rayon are in different dyeing depths, and small color difference exists between the dyed cotton and the rayon, so that it can be inferred that the active navy blue dye is used for carrying out one-bath dyeing on cotton and rayon or interwoven fabrics blended by the cotton and the rayon, the cotton and the rayon are in different dyeing depths, and the active navy blue dye can reach the balance of fiber depths of the cotton and the rayon.
As can be seen from examples 6-11, when the reactive navy blue dye compounded by 60-90wt% of the dye A, 10-40wt% of the dye B and the balance of the auxiliary agent C is used for carrying out one-bath dyeing on cotton and rayon blended or cotton and rayon blended interwoven fabrics, the color difference between the cotton and rayon blended or cotton and rayon blended interwoven fabrics is very small.
Claims (8)
1. A compounding method of an active navy blue dye suitable for dyeing composite cellulose fibers is characterized by comprising the following steps: the composite material consists of the following raw materials in percentage by weight: 60-90wt% of dye A and 10-40wt% of dye B, and the balance of assistant C;
selecting dye A and dye B which have different color yields and respectively have advantages on cotton and rayon, blending 60-90wt% of dye A, 10-40wt% of dye B and auxiliary agent C according to three primary colors, and obtaining the reactive dye dark blue which can be suitable for dyeing composite cellulose fibers at different depths and different proportions under the same-bath dyeing treatment.
2. The compounding method of the reactive navy blue dye suitable for dyeing composite cellulose fibers according to claim 1 is characterized in that: the dye A is active navy blue L1002, and the chemical structural formula of the active navy blue L1002 is shown in the specification
3. The compounding method of the reactive navy blue dye suitable for dyeing composite cellulose fibers according to claim 1 is characterized in that: dye B is active navy blue EGB, and the chemical formula of the dye B is
4. The compounding method of the reactive navy blue dye suitable for dyeing composite cellulose fibers according to claim 1 is characterized in that: the auxiliary agent is one or a mixture of sodium sulfate and a leveling agent 2 #.
5. An active navy blue dye is characterized in that: the reactive navy blue dye is prepared by adopting the compounding method of the reactive navy blue dye suitable for dyeing composite cellulose fibers according to any one of claims 1 to 4.
6. The use of the reactive navy blue dye according to claim 5, wherein: the active dark blue dye is applied to the one-bath dyeing of cotton and rayon blended fabrics or cotton and rayon blended interwoven fabrics;
the specific dyeing steps are as follows:
the method comprises the following steps: adding the cotton and rayon blended fabric or the cotton and rayon blended interwoven fabric into a dye bath containing active dark blue dye, wherein the temperature of the dye bath is 40-50 ℃, the bath ratio is 1-10, and the operation lasts for 10-12 min;
step two: adding an accelerating agent of 40-60g/L, and running for 8-11 min;
step three: heating to 60 deg.C at a speed of 1 deg.C/min, and running for 9-12 min;
step four: adding 10-15g/L color fixing agent, running for 40-55min, and then sequentially performing washing, soaping, washing and drying.
7. The use of the reactive navy blue dye according to claim 6, characterized in that: the accelerant is one or a mixture of sodium sulfate, sodium chloride and potassium chloride.
8. The use of the reactive navy blue dye according to claim 7, characterized in that: the color fixing agent is one or a mixture of sodium carbonate, sodium bicarbonate, sodium silicate and sodium hydroxide.
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