CN111501377A - Cellulose functional fabric produced by utilizing lac pigment through printing process - Google Patents
Cellulose functional fabric produced by utilizing lac pigment through printing process Download PDFInfo
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- CN111501377A CN111501377A CN202010468429.9A CN202010468429A CN111501377A CN 111501377 A CN111501377 A CN 111501377A CN 202010468429 A CN202010468429 A CN 202010468429A CN 111501377 A CN111501377 A CN 111501377A
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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
- D06P1/38—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
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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
- D06P1/48—Derivatives of carbohydrates
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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
- D06P1/64—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 low-molecular-weight organic compounds without sulfate or sulfonate groups
- D06P1/642—Compounds containing nitrogen
- D06P1/649—Compounds containing carbonamide, thiocarbonamide or guanyl groups
- D06P1/6491—(Thio)urea or (cyclic) derivatives
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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
- D06P1/673—Inorganic compounds
- D06P1/67333—Salts or hydroxides
- D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
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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
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
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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
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
- D06P3/66—Natural or regenerated cellulose using reactive dyes
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Abstract
The invention discloses a cellulose functional fabric produced by a printing process by utilizing shellac pigment, which comprises the following steps of (1) putting shellac into absolute ethyl alcohol to remove organic impurities; (2) putting the obtained shellac into distilled water to obtain shellac pigment water solution; (3) dyeing the cellulose fabric in reactive dye liquor with required color for 30-60min at 60-80 ℃; (4) soaping and washing the fabric; (5) the washed fabric is put into 80-150% (o.w.f) metal sulfate aqueous solution to be finished for 100-100 ℃ for 120 min; (6) washing and drying the finished fabric, printing by using 20-40% shellac pigment printing paste, and drying and steaming for 30-60min at 80-100 ℃; (7) and after drying and steaming are finished, soaping, washing and drying to obtain the fabric. The invention has the advantages that on the premise of ensuring that the lac pigment endows the fabric with a clean visual function, the problems of single color, single pattern and high cost of the lac pigment as a material are effectively solved.
Description
Technical Field
The invention belongs to the practical field of textile products, and particularly relates to a cellulose functional fabric produced by a printing process by utilizing shellac pigment.
Background
At present, with the increasing consumption level of people, people put higher requirements on health and safety, and the method is not exceptional in the textile field. Therefore, new materials and new technologies are also in progress in the textile field. For example, the fabric with ecological perception function is obtained by dyeing the fabric with plant pigment, but similar technical application and product development often have the defects of single product color and low fastness. Therefore, on the premise of ensuring that the lac pigment is used as a functional material for textile printing to endow the textile with a clean visual function, the defects of single color, single pattern and low fastness are effectively overcome, and a wider choice is provided for the application of the technology, so that the method is a good research direction. And the research direction also lays a foundation for similar technical application in the future.
The shell fabric has a clean visual function by utilizing the lac pigment through a printing process, and four processes of single color, single pattern and low fastness of the lac pigment can be solved to different degrees, wherein firstly, the lac pigment paste and the reactive dye paste are mixed for printing; secondly, performing full-color printing on the cellulose fabric by using the lac pigment paste, and performing color register printing on the fabric subjected to the lac pigment printing by using the active paste; thirdly, performing full-color printing on the cellulose fabric by using an active thickener, and performing color register printing on the actively printed fabric by using a shellac pigment thickener; fourthly, dyeing the cellulose fabric by using the reactive dye, and then carrying out chromatography printing on the fabric dyed with the reactive dye by using the lac pigment paste. In order to enable the development of the fabric with the clean visual function to be more diverse and practical, the process which has the clean visual function, can obtain various colors, various patterns and higher fastness is imperative through experimental design and sample test, and the invention also provides guarantee for the industrial production of the shellac pigment printing fabric.
Disclosure of Invention
In order to obtain a cellulose functional fabric which has a clean visual function, color diversity and high fastness, the fabric is dyed, printed and tested according to four processes mentioned in the background technology, and then compared to obtain the cellulose functional fabric which has the most excellent clean visual function and changeable color and pattern.
The technical scheme adopted for achieving the purpose is that the cellulose functional fabric is produced by utilizing shellac pigment through a printing process.
Selection of process
Comprises the following steps of (a) carrying out,
preparation of shellac pigment and preparation of printing paste
(1) Placing lac pigment into absolute ethyl alcohol, oscillating, standing, and removing organic impurities;
(2) putting the shellac obtained in the step (1) into distilled water, carrying out ultrasonic oscillation in a water bath, cooling and filtering to obtain a uniform shellac pigment aqueous solution for later use;
(3) mixing water, urea, sodium alginate, anti-dyeing salt, sodium carbonate, a thickening agent and the like, and stirring at a high speed (3000r/min) for 30min to obtain printing virgin pulp for later use;
(4) mixing and uniformly stirring the lac pigment aqueous solution in the step (2) and the printing primary pulp in the step (3) to obtain lac pigment printing paste;
(5) mixing and uniformly stirring a certain amount of reactive dye and the printing raw stock obtained in the step (3) to obtain a reactive printing paste;
mixed printing cellulose fabric of active paste and lac pigment paste
(1) Taking a certain amount of cellulose fabric, preparing 80-150% (o.w.f) of metal sulfate aqueous solution according to the dry weight of the fabric at a bath ratio of 1:20, heating the fabric in a water bath to 80-100 ℃, finishing for 100-120min, and washing after finishing;
(2) drying the fabric obtained in the step (1), printing by using mixed paste to obtain a required pattern, drying for 30-60min at the temperature of 80-100 ℃ after printing is finished, and steaming for 30-60min at the temperature of 100-120 ℃;
(3) and soaping, washing and drying the steamed fabric.
Firstly, shellac pigment paste is used for full-color printing of cellulose fabric, and then reactive paste is used for chromatography printing
(1) Taking a certain amount of cellulose fabric, preparing 80-150% (o.w.f) of metal sulfate aqueous solution according to the dry weight of the fabric at a bath ratio of 1:20, heating the fabric in a water bath to 80-100 ℃, finishing for 100-120min, and washing after finishing;
(2) drying the fabric obtained in the step (1), firstly carrying out full-color printing by using shellac pigment paste, then carrying out color register printing by using active paste to obtain a required pattern, drying for 30-60min at the temperature of 80-100 ℃ after printing is finished, and steaming for 30-60min at the temperature of 100-150 ℃;
(3) and soaping, washing and drying the steamed fabric.
Firstly, full-color printing of cellulose fabric by using active paste, and then, chromatography printing of lac pigment paste
(1) Taking a certain amount of cellulose fabric, preparing 80-150% (o.w.f) of metal sulfate aqueous solution according to the dry weight of the fabric at a bath ratio of 1:20, heating the fabric in a water bath to 80-100 ℃, finishing for 100-120min, and washing after finishing;
(2) drying the fabric obtained in the step (1), firstly carrying out full-color printing by using an active paste, then carrying out color register printing by using a shellac pigment paste to obtain a required pattern, drying for 30-60min at the temperature of 80-100 ℃ after printing is finished, and steaming for 30-60min at the temperature of 100-120 ℃;
(3) and soaping, washing and drying the steamed fabric.
Firstly dyeing cellulose fabric with reactive dye, and then printing with shellac pigment paste
(1) Dyeing a certain amount of cotton in reactive dye liquor with required color at 60-80 deg.C for 30-60min, and soaping and washing after dyeing.
(2) Preparing the fabric obtained in the step (1) into a surfactant solution with a bath ratio of 1:20 of 80-150% (o.w.f) according to the dry weight of the fabric, heating the fabric in a water bath to 80-100 ℃, finishing for 100-120min, and washing after finishing;
(3) drying the fabric obtained in the step (2), printing by using lac pigment paste to obtain a required pattern, drying for 30-60min at the temperature of 80-100 ℃ after printing is finished, and steaming for 30-60min at the temperature of 100-120 ℃;
(4) and soaping, washing and drying the steamed fabric.
The test of the clean visual function of the samples obtained by different processes shows that the fabrics obtained under the first and second process conditions have the clean visual function under the condition of higher concentration of the reactive dye, and the fabrics after printing have the clean visual function under the condition of lower concentration of the reactive dye, and the obtained fabrics have only light color systems with various colors, so the color diversity of the fabrics with the clean visual function obtained by the two processes is very limited, but the fastness is obviously improved. The fabric obtained by the third process is subjected to a clean visual function test, the function of the fabric is not influenced by the concentration of the active printing paste, but the fabric has the defects of high energy consumption, low yield and low quality. The fabric obtained by the fourth process is subjected to clean visual function test, the sensing function of the fabric is not influenced by the concentration of the reactive dye, the yield is high, the energy consumption is low, the product quality is more stable, the defects that the lac pigment serving as a functional material is single in color, single in pattern and lower in fastness are effectively overcome, and the industrial production of the lac pigment printing cellulose fabric with diversified colors and patterns is guaranteed.
Selecting a process of firstly dyeing the cellulose fabric with the active dye solution and then printing with the lac pigment paste, and further optimizing detailed parameters in the process through orthogonal experiments.
Further, in the preparation process of the shellac pigment, the shellac is put into the absolute ethyl alcohol in the step (1), oscillated for 30min, kept stand for 20min and distilled again to obtain high-purity shellac pigment powder. Under the condition, impurities in the lac pigment can be effectively removed, and the purity of the lac pigment powder is improved, so that the sensitivity and the accuracy of the reaction of the lac pigment powder on nutrient components such as grease, sweat and the like required by the breeding of bacteria in the fabric are improved.
Further, in the step (2) of the shellac pigment preparation process, the shellac pigment powder obtained in the step (1) is put into 200ml of distilled water, the water bath temperature is 40-60 ℃, the ultrasonic oscillation time is 1h, and the shellac pigment solution is cooled to 20-30 ℃ and then filtered to obtain a uniform shellac pigment aqueous solution.
Under the condition, the lac pigment can be fully dissolved to form a high-purity solution for the subsequent printing step, so that the fabric can be fully colored in the lac pigment solution, reversible change and insoluble substance pollution are avoided, and the sensitivity of the fabric responding to bacterial breeding can not be weakened even if the fabric is frequently washed.
Further, the protoplasm prescription (%), water 75, urea 10, sodium alginate 3, anti-dyeing salt 2, sodium carbonate 4, thickening agent 6 and a preparation method, wherein water, urea, anti-dyeing salt and sodium alginate are firstly added, stirred at a high speed (3000r/min) for 30min, then added with sodium carbonate and thickening agent, added to the water amount and stirred for 10-30min, and the protoplasm formula, the preparation method and the shellac pigment have good compatibility, so that the smooth printing process can be improved and guaranteed;
further, the steaming temperature is 80-100 ℃, and the steaming time is 30-60min at constant temperature. Under the condition, the lac pigment can be fully solidified on the cotton fabric, and the fastness is further improved.
In summary, the invention discloses a cellulose functional fabric produced by a printing process by utilizing shellac pigment, which effectively overcomes the defects of single color, single pattern, relatively high price and low fastness of shellac pigment on the premise of ensuring that shellac pigment is used as a functional material for printing cellulose fabric to endow the fabric with a clean and visible function, and successfully realizes the mass production of the cellulose fabric which has a sensing function, is various and changeable in color and pattern and has high fastness through shellac pigment printing.
Detailed Description
The present invention is described in further detail below with reference to specific examples.
The first embodiment is as follows: the preparation of the shellac pigment and the preparation of the printing paste comprise the following steps,
(1) placing the shellac into absolute ethyl alcohol, oscillating and standing to remove organic impurities;
(2) putting the shellac obtained in the step (1) into distilled water, carrying out ultrasonic oscillation in a water bath, cooling and filtering to obtain a uniform shellac pigment aqueous solution for later use;
(3) mixing water, urea, sodium alginate, anti-dyeing salt, sodium carbonate, a thickening agent and the like, and stirring at a high speed (3000r/min) for 10-30min to obtain printing primary pulp for later use;
(4) mixing and uniformly stirring the shellac pigment in the step (2) and the printing raw stock in the step (3) to obtain shellac pigment printing paste;
(5) mixing and uniformly stirring a certain amount of reactive dye and the printing raw stock obtained in the step (3) to obtain a reactive printing paste;
mixed printing cellulose fabric of active paste and lac pigment paste
(1) Taking a certain amount of cellulose fabric, preparing 80-150% (o.w.f) of metal sulfate aqueous solution according to the dry weight of the fabric at a bath ratio of 1:20, heating the fabric in a water bath to 80-100 ℃, finishing for 100-120min, and washing after finishing;
(2) drying the fabric obtained in the step (1), printing by using mixed paste to obtain a required pattern, drying for 30-60min at the temperature of 80-100 ℃ after printing is finished, and steaming for 30-60min at the temperature of 100-120 ℃;
(3) and soaping, washing and drying the steamed fabric.
Firstly, shellac pigment paste is used for full-color printing of cellulose fabric, and then reactive paste is used for chromatography printing
(1) Taking a certain amount of cellulose fabric, preparing 80-150% (o.w.f) of metal sulfate aqueous solution according to the dry weight of the fabric at a bath ratio of 1:20, heating the fabric in a water bath to 80-100 ℃, finishing for 100-120min, and washing after finishing;
(2) drying the fabric obtained in the step (1), firstly carrying out full-color printing by using shellac pigment paste, then carrying out color register printing by using active paste to obtain a required pattern, drying for 30-60min at the temperature of 80-100 ℃ after printing is finished, and steaming for 30-60min at the temperature of 100-150 ℃;
(3) and soaping, washing and drying the steamed fabric.
Firstly, full-color printing of cellulose fabric by using active paste, and then, chromatography printing of lac pigment paste
(1) Taking a certain amount of cellulose fabric, preparing 80-150% (o.w.f) of metal sulfate aqueous solution according to the dry weight of the fabric at a bath ratio of 1:20, heating the fabric in a water bath to 80-100 ℃, finishing for 100-120min, and washing after finishing;
(2) drying the fabric obtained in the step (1), firstly carrying out full-color printing by using an active paste, then carrying out color register printing by using a shellac pigment paste to obtain a required pattern, drying for 30-60min at the temperature of 80-100 ℃ after printing is finished, and steaming for 30-60min at the temperature of 100-120 ℃;
(3) and soaping, washing and drying the steamed fabric.
Firstly dyeing cellulose fabric with reactive dye, and then printing with shellac pigment paste
(1) Dyeing a certain amount of cotton in reactive dye liquor with required color at 60-80 deg.C for 30-60min, and soaping and washing after dyeing.
(2) Preparing the fabric obtained in the step (1) into a surfactant solution with a bath ratio of 1:20 of 80-150% (o.w.f) according to the dry weight of the fabric, heating the fabric in a water bath to 80-100 ℃, finishing for 100-120min, and washing after finishing;
(3) drying the fabric obtained in the step (2), printing by using lac pigment paste to obtain a required pattern, drying for 30-60min at the temperature of 80-100 ℃ after printing is finished, and steaming for 30-60min at the temperature of 100-120 ℃;
(4) and soaping, washing and drying the steamed fabric.
The test of the clean visual function of the samples obtained by different processes shows that the fabrics obtained under the first and second process conditions have the clean visual function under the condition of higher concentration of the reactive dye, and the fabrics after printing have the clean visual function under the condition of lower concentration of the reactive dye, and the obtained fabrics have only light color systems with various colors, so the color diversity of the fabrics with the clean visual function obtained by the two processes is very limited, but the fastness is obviously improved. The fabric obtained by the third process is subjected to a clean visual function test, the function of the fabric is not influenced by the concentration of the active printing paste, but the fabric has the defects of high energy consumption, low yield and low quality. The fabric obtained by the fourth process is subjected to clean visual function test, the sensing function of the fabric is not influenced by the concentration of the reactive dye, the yield is high, the energy consumption is low, the product quality is more stable, the defects that the lac pigment serving as a functional material is single in color, single in pattern and lower in fastness are effectively overcome, and the industrial production of the lac pigment printing cellulose fabric with diversified colors and patterns is guaranteed.
Selecting a process of firstly dyeing the cellulose fabric with the active dye solution and then printing with the lac pigment paste, and further optimizing detailed parameters in the process through orthogonal experiments.
According to the actual production experience, the optimal process for dyeing the cellulose fabric by the reactive dye is as follows: the bath ratio is 1:20, the temperature is 60-80 ℃, and the time is 30-60 min; the optimal process for finishing the fabric by the metal sulfate saline comprises the following steps: the bath ratio is 1:20, the temperature is 80-100 ℃, the time is 100-120min, and the concentration is 80-150% (o.w.f). Therefore, the emphasis is on optimizing the parameters of the lac pigment paste printing process. Through the analysis to the stamp influence factor, select steaming temperature, decatizing time and lac pigment concentration three as the factor to set up three level to each factor, obtain three factor three level experimental group, as follows:
the fabric obtained under different parameters of various factors is subjected to fastness and clean visual sensitivity test, according to the test result, the biggest factors influencing the fastness and the sensitivity are obtained as temperature and time, the fastness and the sensitivity are increased and obviously changed along with the increase of the temperature at 80-100 ℃, and basically do not change at 100-120 ℃, and the analysis shows that the movement of shellac pigment molecules is accelerated at 100 ℃, so that the diffusion effect of shellac pigment molecules and the combination of metal sulfate are enhanced, and the shellac pigment molecules are deeply combined with the metal sulfate firmly while penetrating into the fiber, thereby achieving higher fastness; the fastness and the sensitivity of the fabric are improved along with the time extension within 30-45 min, the fabric is basically kept unchanged within 45-60 min, analysis shows that before 45min, the diffusion amount of the lac pigment to the interior of the cotton fiber is gradually increased along with the steaming effect and is solidified, after 45min, the balance is basically stable, so that after 45min, the fastness and the perception function are basically kept unchanged; and finally, the lac pigment concentration is adopted, although the color fastness and sensitivity of the fabric subjected to color matching to a certain extent are improved along with the increase of the lac pigment concentration, the influence is very small. Therefore, the optimal process for the fabric to be subjected to the shellac pigment active dyeing and then to the shellac pigment paste printing comprises the following steps: the temperature is 100 ℃; the time is 45 min; the shellac pigment concentration was 20%.
The fabric produced by the method not only has clean and visible functions, but also effectively solves the problems of single color and pattern and poor fastness, and has wide market prospect.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The cellulose functional fabric produced by utilizing shellac pigment through a printing process is characterized by comprising the following steps:
(1) placing the shellac into absolute ethyl alcohol, oscillating and standing to remove organic impurities;
(2) putting the shellac obtained in the step (1) into distilled water, carrying out ultrasonic oscillation in a water bath at 90 ℃, and cooling to obtain a shellac pigment aqueous solution for later use;
(3) dyeing the cellulose fabric in reactive dye liquor with the required color in a bath ratio of 1:20-40 at 60-80 ℃ for 30-60 min;
(4) soaping and washing the dyed fabric;
(5) preparing 80-150% (o.w.f) of metal sulfate aqueous solution according to the dry weight of the fabric and the bath ratio of 1:20, heating in a water bath, and finishing the fabric washed by the water in the step (4) for 100-120min after the temperature is raised to 80-100 ℃;
(6) washing and drying the fabric finished in the step (5);
(7) according to the formula (%) of the primary pulp, water 75, urea 10, sodium alginate 3, anti-dyeing salt 2, sodium carbonate 4 and thickening agent 6 and the preparation method, firstly, adding water, urea, anti-dyeing salt and sodium alginate, stirring at a high speed (3000r/min) for 30min, then adding sodium carbonate and thickening agent, supplementing water, and stirring for 10-30min to obtain printing primary pulp for later use;
(8) weighing 20-40% of shellac pigment with a specified amount, completely dissolving in the primary pulp in the step (7), and uniformly stirring;
(9) printing the shell fabric with the shellac pigment printing paste obtained in the step (8), drying at 80-100 ℃ for 30-60min, and steaming at 100-150 ℃ for 30-60 min;
(10) and after steaming is finished, soaping, washing with water and drying in an oven to obtain the cellulose functional fabric printed by the shellac pigment.
2. The cellulose functional fabric produced by a printing process by utilizing shellac pigment as claimed in claim 1, wherein the mass concentration of shellac powder in absolute ethanol in step (1) is more than 99.5%.
3. The cellulose functional fabric produced by the shellac pigment through the printing process according to claim 1, wherein the shellac is put into absolute ethyl alcohol in the step (1), shaken for 20-50min, left for 30-60min and distilled again to obtain shellac pigment powder with high purity.
4. The cellulose functional fabric produced by the shellac pigment through the printing process according to claim 1, wherein the shellac powder obtained in step (1) is put into distilled water in step (2), the water bath temperature is 60 ℃, the ultrasonic oscillation time is 1h, the shellac pigment aqueous solution is cooled to 20-30 ℃, and then filtered to obtain a uniform solution.
5. The cellulose functional fabric produced by the shellac pigment through the printing process as claimed in claim 1, wherein the drying and steaming temperature in step (9) is 80-100 ℃, and the drying is performed at a constant temperature for 30-60 min.
6. The cellulose functional fabric produced by the shellac pigment through the printing process is characterized in that the all-cotton functional fabric produced by the printing process by using the shellac pigment is prepared by the 10 steps as claimed in claim 1.
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