CN114960239A - Preparation method and application of printing and dyeing dye - Google Patents
Preparation method and application of printing and dyeing dye Download PDFInfo
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- CN114960239A CN114960239A CN202210648187.0A CN202210648187A CN114960239A CN 114960239 A CN114960239 A CN 114960239A CN 202210648187 A CN202210648187 A CN 202210648187A CN 114960239 A CN114960239 A CN 114960239A
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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
- D06P1/44—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 insoluble pigments or auxiliary substances, e.g. binders
- D06P1/667—Organo-phosphorus compounds
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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
- D06P1/34—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 natural dyestuffs
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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
- D06P1/44—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 insoluble pigments or auxiliary substances, e.g. binders
- D06P1/46—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 insoluble pigments or auxiliary substances, e.g. binders using compositions containing natural macromolecular substances or derivatives thereof
-
- 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
- D06P1/44—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 insoluble pigments or auxiliary substances, e.g. binders
- D06P1/46—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 insoluble pigments or auxiliary substances, e.g. binders using compositions containing natural macromolecular substances or derivatives thereof
- D06P1/48—Derivatives of carbohydrates
-
- 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
- D06P1/44—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 insoluble pigments or auxiliary substances, e.g. binders
- D06P1/52—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 insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
- D06P1/5207—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- D06P1/5214—Polymers of unsaturated compounds containing no COOH groups or functional derivatives thereof
- D06P1/5228—Polyalkenyl alcohols, e.g. PVA
Abstract
The application relates to the technical field of inorganic fiber materials, and particularly discloses a preparation method and application of a printing and dyeing dye. The preparation method of the printing and dyeing dye comprises the following steps: adding phospholipid microspheres into a solution of a natural plant extract to form phospholipid microspheres adsorbed with natural pigments, and filtering to obtain a solid; dissolving the solid in an acid solution to obtain a printing and dyeing dye; the preparation method of the phospholipid microsphere comprises the following steps: adding phospholipid into the emulsifier solution to form a phospholipid solution; preparing protein solution, and stirring to form uniform emulsion; adding the phospholipid solution into the uniform emulsion, mixing, stirring, solidifying and cooling to obtain phospholipid microspheres; the phospholipid is one or more of phosphatidyl serine and brain phospholipid. The dyeing process of the printing and dyeing dye comprises the following steps: soaking the fabric in clear water, and then putting the fabric into the printing and dyeing dye solution for dyeing, soaping and washing. The printing and dyeing dye has excellent color fastness and color depth after dyeing fabrics.
Description
Technical Field
The application relates to the technical field of dyes, in particular to a preparation method and application of a printing and dyeing dye.
Background
With the gradual development of the problems of environmental pollution, health influence and the like of chemical dyes, the plant dyes become a focus of attention and a research direction due to the specific green environmental protection performance of the plant dyes. The natural plant dyeing has the advantages of no harm to human bodies, good environmental compatibility, biodegradability and the like, avoids the harm brought by a plurality of chemical dyes, and has an environment-friendly effect.
The most common problem of the plant dyes in the prior art is that the color fastness is not ideal, and the main reason is that on one hand, the unstable chromophoric group of the plant dye reduces the color fastness to washing and light; on the other hand, the pigments of the vegetable dyes are derived from different plants, and have great influence on the stability of the color fastness and the color reproducibility of dyed fabrics along with the influence of environment, geography and seasons.
In view of the above-mentioned related art, the inventors have considered that there is a problem of poor color fastness in dyeing of vegetable dyes, thus limiting the use and development thereof.
Disclosure of Invention
In order to improve the color fastness of the vegetable dye during dyeing, the application provides a preparation method and application of the printing and dyeing dye.
In a first aspect, the application provides a printing and dyeing dye, which adopts the following technical scheme:
a preparation method of the printing and dyeing dye comprises the following steps: adding phospholipid microspheres into a solution of a natural plant extract to form phospholipid microspheres adsorbed with natural pigments, and filtering to obtain a solid; dissolving the solid in an acid solution to obtain a printing and dyeing dye;
the preparation method of the phospholipid microsphere comprises the following steps: adding phospholipid into the emulsifier solution to form a phospholipid solution; preparing protein solution, and stirring to form uniform emulsion; adding the phospholipid solution into the uniform emulsion, mixing, stirring, solidifying and cooling to obtain phospholipid microspheres;
the phospholipid is one or more of phosphatidyl serine and brain phospholipid.
By adopting the technical scheme, the phospholipid is an amphoteric molecule, one end of the phospholipid is a hydrophilic nitrogen or phosphorus-containing group, the other end of the phospholipid is a hydrophobic long alkyl chain group, and the hydrophilic ends and the hydrophobic ends of the phospholipid are close to each other, so that the dispersion stability of the natural plant extract in the phospholipid microspheres is improved, the compatibility of the natural plant extract and the fabric is also improved, the phenomenon of agglomeration, dispersion and displacement of the natural extract on the fabric is reduced, and the dyeing effect of the fabric is natural and attractive.
More importantly, the phospholipid microspheres have excellent adsorption performance on natural plant pigments, and can realize the purification of natural plant dye extracts; meanwhile, the natural plant pigment is bonded to the phosphatidylserine or cephalin macromolecular skeleton by the electrostatic force between the amino functional groups contained in the phosphatidylserine and the cephalin and the natural plant pigment, and the intermolecular force generated between the phosphatidylserine and the cephalin is used for realizing the macro-molecular of the natural plant pigment, so that the natural plant pigment can be stably attached to the fabric, and the color fastness of the natural plant pigment on the fabric is improved.
In a specific embodiment, the volume ratio of the phospholipid solution to the homogeneous emulsion is 1: (5-15).
By adopting the technical scheme, the volume ratio of the phospholipid solution to the uniform emulsion is optimized, so that the prepared phospholipid microsphere has high usability and low ash content, the applicability on fabrics is improved, the harm to a human body is reduced, and the safety is high.
In a specific embodiment, the protein is one of gelatin, soy protein and lactoferrin.
By adopting the technical scheme, the gelatin, the soybean protein and the lactoferrin have good biodegradability, reduce the pollution to the environment and have good environmental protection property; wherein, the gelatin has absolute advantages in preparing microsphere compound due to good biocompatibility and film forming property; meanwhile, the prepared microspheres have stable network and excellent adsorbability; the soybean protein belongs to plant protein, has high compatibility with plant extracts, is closest to human amino acid in gene structure, and has high benefit to human bodies after being compatible with the plant extracts; lactoferrin has the ability to bind iron ions, which are essential elements for the growth of many microorganisms, and can inhibit the growth of microorganisms by binding iron ions so that the concentration of iron ions around lactoferrin can be greatly reduced; therefore, the prepared dye liquor can improve the antibacterial performance of the fabric.
In a specific possible embodiment, the emulsifying solvent solution is one of a polyvinyl alcohol aqueous solution, a chitosan aqueous solution and an alginate aqueous solution.
By adopting the technical scheme, the polyvinyl alcohol, the chitosan and the seaweed salt have good viscosity, and are convenient for film forming; meanwhile, the emulsifier has good water solubility and can form a stable emulsifier solution.
In a specific embodiment, the phospholipid solution is slowly added to the homogeneous emulsion at a rate of 5-15 ml/min.
By adopting the technical scheme, the particle size and the preparation stability of the phospholipid microsphere can be influenced by the excessively high adding speed of the phospholipid solution, and the processing effect of the phospholipid microsphere can be influenced by the excessively low adding speed of the phospholipid solution; therefore, the particle size of the phospholipid microsphere and the generated effect can be ensured to be in a predictable range by properly controlling the adding rate of the phospholipid solution into the uniform emulsion.
In a specific embodiment, the phospholipid solution is mixed with the homogeneous emulsion at a stirring speed of 500-1000 r/min.
By adopting the technical scheme, when the phospholipid solution is mixed with the uniform emulsion, the stirring speed is too high, the collision frequency of the phospholipid solution and the uniform emulsion is increased, and the formed phospholipid microspheres are agglomerated; and too low a stirring rate may affect the rate of formation of phospholipid microspheres.
In a specific embodiment, the solution of the natural plant extract is formed by dissolving the natural plant extract in water, and the mass ratio of the natural plant extract to the phospholipid microspheres is (1-5): 1.
by adopting the technical scheme, when the content of the natural plant extract relative to the phospholipid microspheres is too high, the adsorption effect of the phospholipid microspheres on the natural plant extract is reduced, so that the color fastness of the plant pigment is reduced; when the content of the phospholipid microspheres is too high relative to the natural plant extract, the dyeing effect and the coloring capability of the natural extract on the fabric are reduced.
In a second aspect, the present application provides a dyeing process of a fabric by using a printing dye, which adopts the following technical scheme:
a dyeing process for fabric by dyeing dye includes such steps as immersing fabric in clean water, dyeing, soaping and washing.
By adopting the technical scheme, the process for dyeing the fabric by the printing and dyeing dye is simple, and particularly after the fabric is soaked firstly, the adhesive force of the dye on the fabric is improved, so that the printing and dyeing effect is improved.
In a specific embodiment, the soaking time of the fabric is 10-20min, the dyeing time is 40-60min, and the temperature of the dyeing solution is 100-150 ℃.
By adopting the technical scheme, each parameter in the process during dyeing of the dye is optimized, and the dyeing effect is improved.
In a specific embodiment, the dyeing bath ratio during the dyeing treatment is 1: (10-20).
By adopting the technical scheme, the dyeing bath ratio is optimized, so that a better dyeing effect can be achieved, and the waste of water resources can not be caused.
In summary, the present application has the following beneficial effects:
1. the printing and dyeing dye liquor formed by adding the phospholipid microspheres into the natural plant extract has higher color fastness on the fabric; the phospholipid microsphere has excellent adsorbability on natural pigments, and electrostatic force between amino functional groups contained in phosphatidylserine and cephalin and natural plant pigments can be used for realizing intermolecular force, so that the natural plant pigments are bonded to a phosphatidylserine or cephalin macromolecular skeleton, the natural plant pigments are subjected to macromolecular treatment, and the color fastness of the natural plant pigments on fabrics is improved;
2. the application adopts the fabric after soaking with the clear water to dye, soaping and washing in the printing and dyeing dye during the application of the printing and dyeing dye solution, so that the dye solution has good color fastness on the surface of the fabric.
Detailed Description
The present application will be described in further detail with reference to examples.
Examples
Example 1
The embodiment of the application discloses a preparation method of a printing and dyeing dye, which comprises the following specific steps:
s1, preparation of phosphatidylserine microspheres:
s10, adding 1g of phosphatidylserine into 1L of polyvinyl alcohol aqueous solution to prepare a phosphatidylserine solution at the temperature of 55 ℃; wherein phosphatidylserine CAS: 51446-62-9, wherein the mass concentration of the polyvinyl alcohol solution is 3%, and the average particle size of the polyvinyl alcohol is 160 meshes;
s20, 2g of gelatin was dissolved in 1L of water and thoroughly stirred to prepare a homogeneous emulsion at 55 ℃, wherein gelatin CAS: 9000-70-8;
s30, adding the 10ml of phosphatidylserine solution into the 50ml of uniform emulsion at the speed of 5ml/min, stirring and mixing at the speed of 500r/min, and cooling to room temperature after solidification to form phosphatidylserine microspheres;
s2, dissolving 1g of sophora flower extract in 100ml of water, adding the dissolved extract into 1g of phosphatidylserine microspheres, stirring for 20h at 25 ℃ under magnetic stirring, filtering out the phosphatidylserine microspheres adsorbing natural pigments after adsorption is finished, repeatedly washing for 3 times by using distilled water, and drying in vacuum at 55 ℃ for later use; wherein the particle size of flos Sophorae Immaturus extract is 80-100 mesh, and in other embodiments, the natural plant extract can also be selected from folium Artemisiae Argyi extract, Agrocybe aegerita extract, folium Ginkgo extract, plumula Nelumbinis extract, green tea extract, etc.;
s3, dissolving the obtained phosphatidyl serine microspheres adsorbed with the sophorae pigment in 100ml of acetic acid solution with solute mass of 0.5%, and completely dissolving the phosphatidyl serine microspheres adsorbed with the sophorae pigment to obtain printing and dyeing liquor; in other embodiments, the acetic acid can be replaced by hydrochloric acid or nitric acid.
The embodiment of the application also discloses a process for dyeing the fabric by using the printing and dyeing dye, which comprises the following steps:
s100, soaking the fabric to be printed and dyed in clear water for 10min, soaking and dyeing the fabric in the printing and dyeing dye solution at the temperature of 100 ℃ for 60min, and finishing dyeing;
s200, dyeing the grey cloth at the temperature of 100 ℃ and at the concentration of 1g/LNa 2 CO 3 Soaping for 20min under the condition that the bath ratio is 1:10 and 2g/L, washing for 3 times, and naturally drying.
Example 2
The difference between this example and example 1 is that the preparation method: s1, preparation of cephalin microspheres, S10, replacement of phosphatidylserine with cephalin, cephalin CAS: 90989-93-8.
Example 3
The difference between this example and example 1 is that the preparation method: s1, in the preparation of the phospholipid microsphere, 1g of phosphatidylserine is replaced by 0.5g of phosphatidylserine and 0.5g of cephalin in S10.
Example 4
The difference between this example and example 1 is that the preparation method: s1, preparation of phosphatidylserine microspheres, S30, the above 10ml phosphatidylserine solution was added to the above 100ml homogeneous emulsion at a rate of 5 ml/min.
Example 5
The difference between this example and example 1 is that the preparation method: s1, in the preparation of the phosphatidylserine microsphere, S30, the 10ml of the phosphatidylserine solution is added into the 150ml of the homogeneous emulsion at a rate of 5 ml/min.
Example 6
The difference between this example and example 1 is that the preparation method: s1, in the preparation of the phosphatidylserine microspheres, in S10, the polyvinyl alcohol aqueous solution is replaced by a chitosan aqueous solution; at S20, replacing gelatin with soy protein; wherein the concentration of the chitosan water solution is 3 percent, and the particle size of the chitosan is 80-120 meshes; the average particle size of the soybean protein is 80 meshes.
Example 7
The difference between this example and example 1 is that the preparation method: s1, in the preparation of the phosphatidylserine microsphere, in S10, the polyvinyl alcohol aqueous solution is replaced by a seaweed salt aqueous solution; in S20, replacing gelatin with zein; wherein the concentration of the seaweed salt aqueous solution is 3 percent, the particle diameter of the seaweed salt is 30-40 meshes, and the viscosity is 100-2000cps (25 ℃); lactoferrin CAS: 112163-33-4.
Example 8
The difference between this example and example 1 is that the preparation method: s1, in the preparation of the phosphatidylserine microsphere, in S30, 10ml of phosphatidylserine solution is added into the 50ml of uniform emulsion at the speed of 15ml/min, stirred and mixed at the speed of 1000r/min, and cooled to room temperature after solidification is completed to form the phosphatidylserine microsphere;
example 9
The difference between this example and example 1 is that the preparation method: s2, dissolving 3g of sophora flower extract in 100ml of water, adding the sophora flower extract into 1g of phosphatidylserine microspheres, stirring for 20 hours at 25 ℃ under magnetic stirring, filtering out the phosphatidylserine microspheres adsorbing natural pigments after adsorption is finished, repeatedly washing for 3 times by using distilled water, and drying in vacuum at 55 ℃ for later use;
example 10
The difference between this example and example 1 is that the preparation method: s2, dissolving 5g of sophora flower extract in 100ml of water, adding the sophora flower extract into 1g of phosphatidylserine microspheres, stirring for 20 hours at 25 ℃ under magnetic stirring, filtering out the phosphatidylserine microspheres adsorbing natural pigments after adsorption is finished, repeatedly washing for 3 times by using distilled water, and drying in vacuum at 55 ℃ for later use;
example 11
The difference between this example and example 1 is that the dyeing process of the textile with the dyeing dye is as follows: s100, soaking the fabric to be printed and dyed in clear water for 20min, soaking and dyeing in the printing and dyeing dye solution at the temperature of 100 ℃ for 40min, and finishing dyeing;
s200, dyeing the grey cloth at 150 ℃ and at 1g/LNa 2 CO 3 Soaping for 20min under the condition that the bath ratio is 1:20, washing for 3 times, and naturally drying.
Comparative example
Comparative example 1
The comparative example is different from example 1 in that 1g of sophora flower extract is dissolved in 100ml of acetic acid solution with solute mass fraction of 0.5%, and the solution is used as printing dye after being completely dissolved.
Comparative example 2
This comparative example differs from example 1 in that the preparation method: s2, dissolving 1g of sophora flower extract in 100ml of water, adding 2g of phosphatidylserine microspheres, stirring for 20h at 25 ℃ under magnetic stirring, filtering out the phosphatidylserine microspheres adsorbing natural pigments after adsorption is finished, repeatedly washing for 3 times by using distilled water, and drying in vacuum at 55 ℃ for later use.
Performance test
The same size of the fabric obtained in examples 1 to 11 was used as test samples 1 to 11, and the same size of the fabric obtained in comparative examples 1 to 2 was used as control samples 1 to 2. The test sample and the control sample were subjected to performance measurement, and the results are shown in Table 1.
1. Colour fastness to rubbing
And (3) respectively carrying out the friction color fastness test on the test sample and the control sample according to GB/T3920-2008, and analyzing and recording the test results.
2. Color fastness to soaping
And (3) performing soaping fastness test on the test sample and the control sample respectively according to GB/T3921-2008(60 ℃, 30min), and analyzing and recording test results.
1. Colour fastness to perspiration
The test sample and the control sample are respectively subjected to a perspiration fastness test according to GB/T3922-1995, and the test results are analyzed and recorded.
2. Color fastness to washing
The test sample and the control sample are respectively subjected to a washing fastness test according to GB/T5713-1997, and the test results are analyzed and recorded.
5. Depth of colour
Measurement of color depth (K/S value): and respectively folding the test sample and the control sample twice, measuring the K/S value of the dyed fabric at the position of lambda max by using a Datacolor SF600X computer color measuring and matching instrument, and analyzing and recording the test result.
Table 1 table of performance testing data
Referring to table 1, in combination with comparative example 1 of example 1, it can be seen that the printing and dyeing dye solution formed by adsorbing the natural plant dye solution with the phosphatidylserine microspheres has excellent color fastness to the fabric and darker color after dyeing the fabric; the phosphatidylserine microsphere has excellent adsorption performance on natural plant pigment, not only can increase the dispersibility of the natural plant pigment in the phosphatidylserine, but also improves the compatibility of the natural plant pigment and plants, reduces the phenomenon of agglomeration, dispersion and displacement of the natural plant pigment on a fabric, and deepens the dyeing color of the dye on the fabric. Meanwhile, the natural plant pigment can be bonded to the phosphatidylserine macromolecular skeleton by intermolecular force formed by electrostatic force between the amino functional group contained in the phosphatidylserine and the natural plant pigment, so that the natural plant pigment is made into a macromolecule, and the color fastness of the natural plant pigment on the fabric is improved.
Referring to table 1, in combination with examples 1 to 3, it can be seen that samples prepared by equally replacing phosphatidylserine in the preparation method with cephalin or a mixture of phosphatidylserine and cephalin all have good color fastness and color depth; both the cephalin and the phosphatidylserine belong to phospholipids and are amphoteric molecules, namely, one end is hydrophilic, the other end is hydrophobic, the hydrophilic ends are close to each other, and the hydrophobic ends are close to each other; the hydrophilicity of the phospholipid can increase the compatibility of the phospholipid and natural plant pigment on fabrics, and the prepared phospholipid microsphere has better adsorbability, so that the natural plant pigment can be uniformly and stably dispersed; and the cephalin and the phosphatidylserine both have amino functional groups, and can have an electrostatic force effect with natural plant pigments to make the natural plant pigments into macromolecules and improve the color fastness of the natural plant pigments on fabrics.
Referring to table 1, in combination with examples 1, 4 and 5, it can be seen that samples all have excellent color fastness and color depth by varying the volume ratio of phosphatidylserine to homogeneous emulsion in the preparation process within an appropriate range.
Referring to table 1, in combination with examples 1, 6 and 7, it can be seen that the tests all have excellent color fastness and color depth when the aqueous polyvinyl alcohol solution in the preparation method is equivalently replaced with the aqueous chitosan solution or the aqueous alginate solution.
Referring to table 1, in combination with examples 1, 8 and 11, it can be seen that samples having good color fastness and depth of color were obtained by properly adjusting various parameters in the preparation method and the dyeing process.
Referring to table 1, in combination with examples 1, 9 and 10 and comparative example 2, it can be seen that, in the preparation method of the dyeing solution, when the mass of the phosphatidylserine microspheres is relatively more than that of the sophora flower extract, the molecular weight of the phosphatidylserine microsphere-sophora flower extract macromolecular dye is also very high, so that the dyeing solution is difficult to dye on the fabric, and the color depth and the color fastness of the fabric are reduced; and the mass ratio of the phospholipid serine microspheres to the sophora flower extract is adjusted in a proper range, so that the obtained samples have excellent color fastness and color depth.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution 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 application.
Claims (9)
1. A preparation method of a printing and dyeing dye is characterized by comprising the following steps: the method comprises the following steps: adding phospholipid microspheres into a solution of a natural plant extract to form phospholipid microspheres adsorbed with natural pigments, and filtering to obtain a solid; dissolving the solid in an acid solution to obtain a printing and dyeing dye;
the preparation method of the phospholipid microsphere comprises the following steps: adding phospholipid into the emulsifier solution to form a phospholipid solution; preparing protein solution, and stirring to form uniform emulsion; adding the phospholipid solution into the uniform emulsion, mixing, stirring, solidifying and cooling to obtain phospholipid microspheres;
the phospholipid is one or more of phosphatidyl serine and brain phospholipid.
2. The process for producing a printing dye according to claim 1, wherein: the volume ratio of the phospholipid solution to the uniform emulsion is 1: (5-15).
3. The process for producing a printing dye according to claim 1, wherein: the protein is one of gelatin, soybean protein and lactoferrin.
4. The process for producing a printing dye according to claim 1, wherein: the emulsifier solution is one of a polyvinyl alcohol aqueous solution, a chitosan aqueous solution and an alginate aqueous solution. A
The process for producing a printing dye according to claim 1, wherein: the phospholipid solution was slowly added to the homogeneous emulsion at a rate of 5-15 ml/min.
5. The process for producing a printing dye according to claim 1, wherein: when the phospholipid solution and the uniform emulsion are mixed and stirred, the stirring speed is 500-1000 r/min.
6. The printing dye of claim 1, wherein: the solution of the natural plant extract is formed by dissolving the natural plant extract in water, and the mass ratio of the natural plant extract to the phospholipid microspheres is (1-5): 1.
7. a process for dyeing a fabric with the printing dye of any of claims 1 to 7, characterized in that: soaking the fabric in clear water, and then putting the fabric into the printing and dyeing dye solution for dyeing, soaping and washing.
8. The process of dyeing fabric with a printing dye according to claim 8, wherein: the soaking time of the fabric is 10-20min, the dyeing time is 40-60min, and the temperature of the dyeing solution is 100-150 ℃.
9. The process of dyeing fabric with a printing dye according to claim 8, wherein: the dyeing bath ratio in the dyeing treatment process is 1: (10-20).
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| CN104087020A (en) * | 2014-07-01 | 2014-10-08 | 常州大学 | Preparation method and application of chitosan-natural plant pigment macromolecular dye solution |
| CN108178936A (en) * | 2018-02-10 | 2018-06-19 | 陈建峰 | A kind of preparation method of high color fastness vegetable colour |
| CN112452264A (en) * | 2021-01-05 | 2021-03-09 | 兰州理工大学 | Preparation method and application of melanoid microcapsules in red wolfberry fruits |
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