CN110983826A - Rayon reactive printing leveling agent composition and preparation method thereof - Google Patents
Rayon reactive printing leveling agent composition and preparation method thereof Download PDFInfo
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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
- D06P1/60—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 polyethers
- D06P1/607—Nitrogen-containing polyethers or their quaternary derivatives
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- 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
- D06P1/525—Polymers of unsaturated carboxylic acids or functional derivatives thereof
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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
- D06P1/52—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
- D06P1/5264—Macromolecular compounds obtained otherwise than by reactions involving only unsaturated carbon-to-carbon bonds
- D06P1/5292—Macromolecular compounds obtained otherwise than by reactions involving only unsaturated carbon-to-carbon bonds containing Si-atoms
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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
- D06P1/60—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 polyethers
- D06P1/607—Nitrogen-containing polyethers or their quaternary derivatives
- D06P1/6076—Nitrogen-containing polyethers or their quaternary derivatives addition products of amines and alkylene oxides or oxiranes
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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
- D06P1/653—Nitrogen-free carboxylic acids or their salts
- D06P1/6533—Aliphatic, araliphatic or cycloaliphatic
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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
- D06P1/67383—Inorganic compounds containing silicon
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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
Abstract
The invention discloses a rayon reactive printing leveling agent composition and a preparation method thereof. The active printing leveling agent comprises the following components: 10-30% by weight of alkyl polyoxyethylene ether modified pyrrolidone carboxylic acid alkali metal salt, 1-6% by weight of dimethyl silicone oil, 1-6% by weight of clay, 0.5-3% by weight of polyacrylic acid alkali metal salt, 2-12% by weight of aliphatic amine polyoxyethylene ether, 1-6% by weight of hydroxycarboxylic acid alkali metal salt and 45-75% by weight of water, based on the total weight of the rayon active printing leveling agent composition. The rayon reactive printing levelling agent composition has the characteristics of good printing levelling property, high color yield, high definition, good hand feeling and the like, and has excellent reactive printing comprehensive performance.
Description
Technical Field
The invention relates to a rayon reactive printing leveling agent composition and a preparation method thereof.
Background
The rayon reactive printing fabric has the advantages of soft texture, bright and full color, strong air permeability and the like, and is well received by the market. However, the cortex crystallinity and the orientation degree of the rayon fiber are high, the structure is compact, and in the reactive printing process, dye molecules have a large diffusion barrier effect from the surface layer of the fiber to the inside, so that the printing levelling property and the printing depth are not high; although the moisture swelling degree of the rayon fiber is much higher than that of the cotton fiber, the rayon fiber has high content of carboxyl and aldehyde groups, becomes abnormally stiff due to moisture swelling of the fiber, and has low softness. Compared with pure cotton fiber, the skin layer crystallinity and the orientation degree of the rayon fiber are higher, the structure is tighter, the inhibition effect of dye molecules in the color paste diffusing from the surface layer of the fiber to the inside is stronger, and the leveling property and the printing depth of the active printing are poorer. Therefore, the reactive printing levelling agent for pure cotton fabric is not completely suitable for reactive printing of rayon fabric. Therefore, the problems of low leveling property, poor printing hand feeling and the like existing in the rayon reactive printing are difficult to solve, and especially the quality of the rayon reactive printing is directly influenced by the low leveling property of the printing.
In order to improve the leveling property of the reactive printing of the rayon, the use amount of urea is generally increased, such as Qin Shuwen, Xuhuabao, the generation reason and improvement measures of the deep color rayon printing color flower [ C ]. Shanghai: the society of textile engineering, 1998: 89-91, the moisture absorption of the rayon during printing steaming is improved by padding a large amount of urea and soda before printing, and the leveling property of the printing is improved to a certain extent. A printing plant technician improves the leveling property of printing by improving the addition of urea in printing paste, obviously, whether the urea is padded in the printing paste before printing or the printing paste improves the addition of the urea, although the leveling property of printing of rayon can be improved to a certain degree, the ammonia nitrogen discharge amount is improved at the same time, and the method is more harmful to the environment, for example, a method for improving the leveling property of active turquoise blue printing is disclosed in the publication No. CN106049105A, the formula contains 10-20% of urea, the ammonia nitrogen content of the urea is very high, and the ammonia nitrogen discharge amount is also obviously improved while the leveling property of printing is improved.
In general, the dissolving speed of dye can be increased by improving the moisture absorption amount of fiber, the swelling degree of the fiber can be improved, the agglomeration of the dye on the surface of the fiber can be reduced, and the reactive printing levelling property can be improved. If the moisture absorption of the fiber is simply considered, the dye concentration on the surface of the fiber is possibly too high, the dyeing rate is accelerated, and uneven printing is easily caused, so that the level dyeing effect of the rayon cannot be ensured only by the repulsion between the thickener (anionic) and the dye and the components such as the cosolvent, the alkaline agent and the like in the color paste, the good printing level dyeing property and the printing depth cannot be ensured by the components such as the general fiber swelling auxiliary agent, the moisture absorbent, the cosolvent and the like, and the degree of dye penetration on the fiber is improved, so that the definition is influenced. Most of the active printing leveling agents used in the current market are anionic or anionic nonionic compounds, the dye coagulation degree on the fiber surface is reduced, but the dye concentration on the fiber surface is also improved, and if the dye coagulation degree and the dye concentration are not well balanced, the active printing leveling property is possibly reduced.
The leveling property of the reactive printing for the rayon is improved incompletely by combining various data, and the printing quality is directly influenced, so that the development of the leveling agent for the reactive printing for the rayon is very important.
Disclosure of Invention
The invention aims to provide a preparation method of a rayon reactive printing leveling agent composition.
The invention starts from the dispersion of dye in color paste, the penetration of dye to fiber and the leveling property inside fiber, combines the dye and leveling agent to form a dye-leveling agent assembly, so that the dye is not easy to agglomerate, and simultaneously the dye-leveling agent assembly is penetrated into the fiber without agglomeration under the action of penetration components, thereby not only ensuring the dye-uptake rate of the dye, but also reducing the dye-uptake rate, and finally having the effects of ensuring the leveling property of live printing and the printing depth, and finally preparing the reactive leveling agent for rayon printing with high printing depth, uniform printing and high definition.
One aspect of the invention provides a rayon reactive printing leveling agent composition, which comprises the following components:
based on the total weight of the rayon reactive printing levelling agent composition.
Another aspect of the present invention provides a method for preparing the above composition, which comprises:
1) adding water into a reaction kettle, heating to 50-80 ℃, adding fatty amine polyoxyethylene ether and dimethyl silicone oil, uniformly shearing at high speed,
2) adding clay, continuously shearing at high speed, reducing stirring speed, adding alkali metal polyacrylate,
3) cooling to 30-50 deg.C, sequentially adding hydroxy carboxylic acid alkali metal salt and alkyl polyoxyethylene ether modified pyrrolidone carboxylic acid alkali metal salt water solution, and stirring.
Detailed Description
In a preferred embodiment, the present invention provides a rayon reactive printing levelling agent composition: it comprises the following components:
based on the total weight of the active printing leveler composition.
In a preferred embodiment, the alkylpolyoxyethylene ether-modified alkali metal salt of pyrrolidone carboxylic acid used in the present invention is represented by the following structural formula:
in the formula, R is C2-8Alkyl, preferably C3-6An alkyl group; n is 5 to 30, preferably 10 to 20; m is Na +, K +, or a combination thereof.
In a more preferred embodiment, the alkyl polyoxyethylene ether modified alkali metal pyrrolidone carboxylate used in the present invention is obtained by reacting an alkali metal pyrrolidone carboxylate with an epoxy alkyl terminated polyoxyethylene ether, according to the following reaction equation:
in the formula, R is C2-8Alkyl, preferably C3-6An alkyl group; n is 5 to 30, preferably 10 to 20; m is Na +, K +, or a combination thereof.
In a more preferred embodiment, the molar ratio of alkali metal salt of pyrrolidone carboxylic acid to epoxy-terminated alkyl polyoxyethylene ether used in the present invention is 0.9: 1-1.1: the preparation method of the alkyl polyoxyethylene ether modified pyrrolidone carboxylic acid alkali metal salt comprises the following steps:
adding a certain amount of deionized water into a reaction kettle, stirring at a rotating speed of about 80rpm, heating to 50-80 ℃, adding alkali metal pyrrolidone carboxylic acid and epoxy-terminated alkyl polyoxyethylene ether, continuously heating to 80-95 ℃, continuously stirring for 4-6h, and cooling to about 40 ℃ to obtain the alkyl polyoxyethylene ether modified alkali metal pyrrolidone carboxylic acid aqueous solution with a certain concentration. See in particular the literature: the synthesis and application of Lianjie, Wuminghua, Houmin, etc. hyperbranched amino-modified polysiloxane [ J ]. textile science, 2014,35(12):73-78.
In a preferred embodiment, the dimethylsilicone oil used in the present invention has a weight average molecular weight of 800-5000 and a viscosity of 5-100 mPas.
In a preferred embodiment, the clay used in the present invention is sodium bentonite, attapulgite or a combination thereof. The average particle size of the clay is generally from 0.3 to 2.0. mu.m, preferably from 0.5 to 1.5. mu.m.
In a preferred embodiment, the alkali metal polyacrylate has a weight average molecular weight of 3000-12000, preferably 5000-10000. The alkali metal salts of polyacrylic acid include, for example, sodium polyacrylate, potassium polyacrylate, or combinations thereof.
In a preferred embodiment, the fatty amine polyoxyethylene ether used in the present invention is C16-20Fatty amine polyoxyethylene ether (EO ═ 20 to 70, preferably 25 to 65).
In a preferred embodiment, the alkali metal salt of a hydroxycarboxylic acid used in the present invention is preferably an alkali metal salt of a hydroxypolycarboxylic acid, including, for example, an alkali metal tartrate, an alkali metal gluconate, or a combination thereof. Preferred alkali metal salts of hydroxycarboxylic acids are for example sodium tartrate, sodium gluconate, potassium tartrate, potassium gluconate or combinations thereof.
In a preferred embodiment, the water used in the present invention is water commonly used in the art, preferably deionized water.
The preparation method of the rayon reactive printing leveling agent composition comprises the following steps:
adding deionized water into a reaction kettle, heating, adding fatty amine polyoxyethylene ether and dimethyl silicone oil, shearing at a high speed for a certain time, adding clay, continuing to shear at a high speed for a certain time, reducing the stirring speed, adding polyacrylic acid alkali metal salt, cooling, sequentially adding alkali metal salt solution of hydroxy carboxylic acid and alkali metal salt solution of alkyl polyoxyethylene ether modified pyrrolidone carboxylic acid, and stirring for a certain time to obtain the composite material.
Compared with the prior art, the invention has the following advantages and effects: the rayon reactive printing leveling agent has the characteristics of uniform printing, high color yield, soft hand feeling, high definition and the like, and can reduce the use amount of urea and reduce the emission of ammonia nitrogen.
Examples
The effect of the reactive printing levelling agent prepared in each embodiment of the invention is verified by the following test
Leveling property test for reactive printing
1. Fabric: rayon fabric
2. Dye: active turquoise blue P-GR
3. Reactive printing levelling property test formula:
4. the reactive printing process comprises the following steps:
pulping → reactive printing → drying → steaming (105 ℃ C.. times.8 min) → cold water washing → warm water washing (80 ℃ C.) → soaping (95 ℃ C., Jacobsai SW conc., 2g/L) → warm water washing → cold water washing → drying.
5. Performance testing
4.1 printing depth
And (3) testing the color strength value of the cloth surface by using the Datacolor, wherein the higher the value is, the higher the depth is, and otherwise, the lower the value is.
4.2 printing uniformity
4.2.1 with a certain point of the cloth cover as a standard, testing the color strength values of 20 positions of the cloth cover, and then calculating the average absolute deviation of the values, wherein the larger the average absolute deviation is, the larger the data dispersion is, the more uneven the printed cloth sample is, and otherwise, the more even the printed cloth sample is.
4.2.2 visually inspect the uniformity of the printed cloth sample by 5 people, with a rating of 1-5, the best uniformity rating of 5 and the worst uniformity rating of 1.
4.3 printing feel
The reactive printed fabric was touched with 5 individuals and the printed fabric was rated for hand, with grade 5 being the best and grade 1 being the worst.
4.4 clarity of reactive printing
Visually observing whether the phenomena of unclear pattern boundaries, white spots, oozing and the like appear.
Example 1
Based on the total weight of the reactive printing levelling agent.
To 1#Adding 30 parts by weight of deionized water into a reaction kettle, stirring at a rotating speed of about 80rpm, heating to about 60 ℃, adding 3.8 parts by weight of sodium pyrrolidone carboxylate and 11.2 parts by weight of epoxy-terminated butyl polyoxyethylene ether (n is 7), continuously heating to about 80 ℃, continuously stirring for 6 hours, and cooling to about 40 ℃ to obtain 45 parts by weight of sodium butyl polyoxyethylene ether modified sodium pyrrolidone carboxylate solution A1 (the weight percentage concentration is about 33%);
to 2#Adding 41 parts by weight of deionized water into a reaction kettle, and heating toAdding 5 parts by weight of fatty amine polyoxyethylene ether (trade name 1830 of Jiangsu Heian petrochemical plant) at about 60 ℃, adding 3 parts by weight of dimethyl silicone oil (Ekentucking blue silicone Co., Ltd., molecular weight 800, viscosity 5mPa & s), shearing at a high speed of 800 plus 1000rpm for 30min, adding 2 parts by weight of sodium bentonite (average particle size is about 1 mu M), continuing to shear at a high speed for 30min, reducing the stirring speed to 80-100rpm, adding 1 part by weight of sodium polyacrylate (M is 5000), cooling to about 40 ℃, sequentially adding 3 parts by weight of sodium tartrate and 45 parts by weight of butyl polyoxyethylene ether modified sodium pyrrolidone carboxylate solution A1, and stirring for 30 min.
Example 2
Based on the total weight of the reactive printing levelling agent.
To 1#Adding 35 parts by weight of deionized water into a reaction kettle, stirring at a rotating speed of 80rpm, heating to about 65 ℃, adding 3.2 parts by weight of sodium pyrrolidone carboxylate and 16.8 parts by weight of epoxy-terminated butyl polyoxyethylene ether (n is 15), continuously heating to 85 ℃, continuously stirring for 5 hours, and cooling to about 40 ℃ to obtain 55 parts by weight of butyl polyoxyethylene ether modified sodium pyrrolidone carboxylate solution A2 (the weight percentage concentration is about 36%);
to 2#Adding 29.5 parts by weight of deionized water into a reaction kettle, heating to about 60 ℃, adding 7 parts by weight of fatty amine polyoxyethylene ether (Jiangsu Heian petrochemical plant, trade name 1860), adding 2 parts by weight of dimethyl silicone oil (Exkensin silicone Co., Ltd., molecular weight 2000, viscosity 20mPa & s), shearing at high speed of 800 plus 1000rpm for 30min, adding 3 parts by weight of sodium bentonite (average particle size 0.8 mu M), continuing to shear at high speed for 30min, reducing the stirring speed to 80-100rpm, adding 0.5 part by weight of sodium polyacrylate (M is 8000), cooling to about 40 ℃, sequentially adding 4 parts by weight of sodium gluconate and 55 parts by weight of butyl polyoxyethylene ether modified sodium pyrrolidone carboxylate solution A2, and stirring for 30min to obtain the product.
Example 3
Based on the total weight of the reactive printing levelling agent.
To 1#Adding 30 parts by weight of deionized water into a reaction kettle, stirring at the rotating speed of 80rpm, heating to about 70 ℃, adding 3.3 parts by weight of sodium pyrrolidone carboxylate and 21.7 parts by weight of epoxy-terminated butyl polyoxyethylene ether (n is 20), continuously heating to 90 ℃, continuously stirring for 5 hours, and cooling to about 40 ℃ to obtain 55 parts by weight of butyl polyoxyethylene ether modified sodium pyrrolidone carboxylate solution A3 (the weight percentage concentration is about 45%);
to 2#Adding 19.5 parts by weight of deionized water into a reaction kettle, heating to about 65 ℃, adding 10 parts by weight of fatty amine polyoxyethylene ether (Jiangsu Heian petrochemical plant, trade name 1830), adding 5 parts by weight of dimethyl silicone oil (Exkensin silicone Co., Ltd., molecular weight 4000, viscosity 50mPa & s), high-speed shearing at the rotation speed of 800 plus 1000rpm for 30min, adding 4 parts by weight of attapulgite (average particle size is about 1.2 mu M), continuing high-speed shearing for 30min, reducing the stirring speed to 80-100rpm, adding 1.5 parts by weight of sodium polyacrylate (M is 10000), cooling to about 40 ℃, sequentially adding 5 parts by weight of sodium gluconate and 55 parts by weight of butyl polyoxyethylene ether modified sodium pyrrolidone carboxylate solution A3, and stirring for 30min to obtain the product.
Example 4
Based on the total weight of the reactive printing levelling agent.
To 1#Adding 28 parts by weight of deionized water into a reaction kettle, stirring at the rotating speed of 80rpm, heating to 60 ℃, and adding 2.0 parts by weight of sodium pyrrolidone carboxylate andheating 16 parts by weight of epoxy-terminated butyl polyoxyethylene ether (n is 25) to 95 ℃, stirring for 4 hours, and cooling to 40 ℃ to obtain 46 parts by weight of butyl polyoxyethylene ether modified sodium pyrrolidone carboxylate solution A4 (the weight percentage concentration is about 39%);
to 2#Adding 33 parts by weight of deionized water into a reaction kettle, heating to 70 ℃, adding 8 parts by weight of fatty amine polyoxyethylene ether (trade name 1860 of Jiangsu Heian petrochemical plant), adding 4 parts by weight of dimethyl silicone oil (Ekentucking blue silicone Co., Ltd., molecular weight 1000, viscosity 15mPa & s), high-speed shearing at the rotation speed of 800 plus one 1000rpm for 30min, adding 5 parts by weight of sodium bentonite (average particle size is about 1.0 mu M), continuing high-speed shearing for 30min, reducing the stirring speed to 80-100rpm, adding 2 parts by weight of sodium polyacrylate (M is 5000), cooling to 40 ℃, sequentially adding 2 parts by weight of sodium tartrate and 46 parts by weight of butyl polyoxyethylene ether modified sodium pyrrolidone carboxylate solution A4, and stirring for 30min to obtain the product.
In order to better embody the application effect of the invention, the invention and the commercially available reactive printing leveling agents A (domestic) and B (imported) are respectively applied to the reactive printing process and compared with the traditional process, the dosage of the leveling agents is 0.5g/L, and the test results are shown in Table 1.
TABLE 1 comparison of the effects of different reactive levelling agents for printing
As seen from Table 1, the printing depth of the reactive printing leveling agent is high and is 2-8 higher than that of the traditional printing process, and the depth of the commercial products A and B is obviously reduced and is 12-15 lower than that of the traditional reactive printing; although the commercial product has certain level dyeing effect, the level dyeing effect is realized on the basis of reducing the printing depth, and the invention also improves the printing depth while ensuring the level dyeing property of the printing; on the aspect of printing uniformity, the average absolute deviation of the invention is less than 0.25, the average absolute deviation of the invention is more than 0.7 in the market products, the average absolute deviation of the invention is more than 1.1 in the traditional reactive printing, the difference of the leveling property of the printing is very large, and the invention has obvious advantages. In terms of the using amount of the urea, the urea is 5%, and the levelling effect of the levelling agent can exceed that of the urea by 10% by adding 0.5-1%, so that the using amount of the urea is lower, the levelling property of the urea is obviously better than that of the conventional reactive printing, and the method for improving the levelling property of the reactive printing by improving the using amount of the urea in the conventional reactive printing is completely eliminated. From the aspect of active printing hand feeling, the printing hand feeling of the reactive printing dye reaches 5 grades, which shows that the reactive printing dye has the function of improving hand feeling, and the traditional reactive printing dye and the commercial levelling agent have the printing hand feeling of 3 grades or 4 grades, so that the reactive printing dye has obvious hand feeling advantage. The printing boundary of the invention is clear, and the boundary of the commercial product and the traditional active printing is not clear, so the definition of the traditional active printing of the invention is higher. Comprehensive data shows that the rayon reactive printing leveling agent has excellent comprehensive performance.
Although the present invention has been described with reference to the above embodiments, it should be understood that the scope of the present invention is not limited thereto, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention.
Claims (10)
1. A rayon reactive printing leveling agent composition comprises the following components:
based on the total weight of the rayon reactive printing leveling agent.
2. The rayon reactive printing leveler composition of claim 1, comprising the following components:
based on the total weight of the rayon reactive printing leveling agent.
3. The rayon reactive printing leveler composition of claim 1 or 2, wherein: the alkyl polyoxyethylene ether modified pyrrolidone carboxylic acid alkali metal salt is represented by the following structural formula:
in the formula, R is C2-8Alkyl, n-5-30, M+Is Na+、K+Or a combination thereof.
4. The rayon reactive printing leveler composition of claim 1 or 2, wherein: the weight average molecular weight of the dimethyl silicone oil is 800-5000, and the viscosity is 5-100 mPas.
5. The rayon reactive printing leveler composition of claim 1 or 2, wherein: the clay is sodium bentonite, attapulgite or a combination thereof, and the average particle size is 0.3-2.0 μm.
6. The rayon reactive printing leveler composition of claim 1 or 2, wherein: the weight average molecular weight of the polyacrylic acid alkali metal salt is 3000-12000, and the polyacrylic acid alkali metal salt comprises polyacrylic acid sodium salt, polyacrylic acid potassium salt or a combination of the polyacrylic acid sodium salt and the polyacrylic acid potassium salt.
7. The rayon reactive printing leveler composition of claim 1 or 2, wherein: the fatty amine polyoxyethylene ether is C16-20Fatty amine polyoxyethylene ether (EO 20-70).
8. The rayon reactive printing leveler composition of claim 1 or 2, wherein: the alkali metal salt of hydroxycarboxylic acid comprises alkali metal tartrate, alkali metal gluconate or a combination thereof, and the water is deionized water.
9. A method for preparing the rayon reactive printing leveling agent composition of claim 1, comprising:
1) adding water into a reaction kettle, heating to 50-80 ℃, adding fatty amine polyoxyethylene ether and dimethyl silicone oil, uniformly shearing at high speed,
2) adding clay, continuously shearing at a high speed to be uniform,
3) adding alkali metal salt of polyacrylic acid,
4) cooling to 30-50 deg.C, sequentially adding hydroxy carboxylic acid alkali metal salt and alkyl polyoxyethylene ether modified pyrrolidone carboxylic acid alkali metal salt, and stirring.
10. The method of claim 9, wherein: the alkyl polyoxyethylene ether modified alkali metal pyrrolidone carboxylate is terminated by alkali metal pyrrolidone carboxylate and epoxy group C2-8And (3) reacting alkyl polyoxyethylene ether.
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| CN110983826B (en) | 2022-05-13 |
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