CN114635225A - Reverse side printed fabric and preparation method thereof - Google Patents
Reverse side printed fabric and preparation method thereof Download PDFInfo
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- CN114635225A CN114635225A CN202210268341.1A CN202210268341A CN114635225A CN 114635225 A CN114635225 A CN 114635225A CN 202210268341 A CN202210268341 A CN 202210268341A CN 114635225 A CN114635225 A CN 114635225A
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C3/00—Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
- D06M10/02—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements ultrasonic or sonic; Corona discharge
- D06M10/025—Corona discharge or low temperature plasma
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/76—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon oxides or carbonates
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/144—Alcohols; Metal alcoholates
- D06M13/148—Polyalcohols, e.g. glycerol or glucose
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
- D06M15/11—Starch or derivatives thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
- D06M15/13—Alginic acid or 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
- 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
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/30—Ink jet printing
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/40—Reduced friction resistance, lubricant properties; Sizing compositions
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/02—Cotton
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
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Abstract
The invention belongs to the field of textile fabrics, and particularly relates to a reverse side printed fabric and a preparation method thereof. The fabric comprises a cotton knitted fabric woven by cotton fibers, and yarns of the cotton knitted fabric comprise any one of the following materials: yarn count 32S/1, yarn count 60S/2 and yarn count 80S/2; the capillary effect of the cotton knitted fabric in 30 minutes is more than or equal to 12. The cotton knitted fabric has good capillary effect, meanwhile, the permeability to ink is within a certain range, the cotton knitted fabric with excellent moisture absorption and quick drying performance is obtained through processes such as reasonable design weaving and after finishing, the reverse side digital printing process is adopted, the printing is completely blended into the fabric, the printing and the fabric are integrated, the convex feeling is avoided, and meanwhile, the printing is clear.
Description
Technical Field
The invention belongs to the field of textile fabrics, and particularly relates to a reverse side printed fabric and a preparation method thereof.
Background
With the rapid and vigorous development of the textile industry, the pollution to the environment is increasingly serious. Especially, the discharge amount of printing and dyeing wastewater in the textile industry is large, the pollution is serious, the discharge amount accounts for about 80 percent of the total amount of sewage in the textile industry, and the scientific development of the textile industry is restricted. The digital printing is printing by using a digital technology, and the comprehensive energy consumption of the digital printing is only equal to 1/3-1/4 of the traditional printing. However, about 30% of dyes in the traditional printing cannot be combined with fibers, and are washed away during water washing to generate a large amount of colored sewage, and the ink pigment of the digital ink-jet printing is fine in granularity and high in ink color concentration, so that the color yield is high. For the same depth pattern, the amount of digital printing dye is only 40% of that of the traditional printing, and only 5% of the floating color is washed away in the subsequent treatment. The amount of the generated sewage is only 1/15-1/25 of the traditional printing process.
In the existing digital printing process, the foaming projection degree of printing paste (printing ink or paint) is too obvious and plump, the concave-convex feeling is obvious when the back surface is worn right, the printing paste is easy to break and remove, and the contour of the printing paste is not clear; therefore, a new printing technical solution is needed to solve the above problems.
Disclosure of Invention
The application provides a reverse side printed fabric and a preparation method thereof, and aims to solve the technical problem that the printing glue contour is not clear.
In a first aspect, the present application provides a reverse side printed fabric, the fabric includes a cotton knitted fabric woven by cotton fibers, and yarns of the cotton knitted fabric include any one of the following: yarn count 32S/1, yarn count 60S/2 and yarn count 80S/2; the capillary effect of the cotton knitted fabric in 30 minutes is more than or equal to 12.
Optionally, the fabric is a digital reverse side printing fabric, and the gram weight of the fabric is 175-185g/m2。
In a first aspect, the present application provides a method for preparing a reverse-printed fabric according to the first aspect, the method comprising the following steps:
spinning and weaving cotton fibers to obtain cotton knitted fabric;
carrying out plasma treatment and sizing on the cotton knitted fabric to enable the cotton knitted fabric to be attached with active groups and reduce fiber breakage, and drying to obtain a fabric to be printed;
and carrying out printing, hot pressing, steaming, washing, tentering setting and color fixing finishing on the fabric to be printed to obtain the target reverse side printed fabric.
Optionally, the plasma processing parameters include: the power of the atmospheric pressure, air medium and plasma processing device is 1000-5000W, the vehicle speed is 10m/min, and the discharge area is 1.4m long.
Optionally, the sizing agent component for sizing comprises: soda ash: 30g/L, sodium alginate: 500g/L, glycerol: 50g/L and wheat starch: 10-25 g/L.
Optionally, the sizing conditions include: mangle ratio: 72 percent; steaming temperature: 102 ℃; steaming time: 5-10 min.
Optionally, the water washing process sequentially comprises the following steps: cold water washing, countercurrent open washing, warm water washing, soaping, warm water washing and cold water washing; the soaping process comprises the following steps: the foamless soaping agent is 3g/L, the soaping temperature is 85 ℃, and the soaping time is 6 min.
Optionally, the tentering setting sequentially comprises: feeding, soaking, rolling, hot air tentering and drying cropping.
Optionally, the rolling residual ratio is 90%, and the temperature of hot air tentering is 155-160 ℃.
Optionally, the fixing agent for fixing is an aldehyde-free fixing agent, and the fixing conditions include: the bath ratio is 1: 10, the temperature is 55 ℃, and the time is 30-40 min.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:
the reverse side printed fabric that this application embodiment provided uses cotton fiber as the raw materials, and the yarn that the cotton needle was weaved includes following arbitrary one: a yarn count 32S/1, a yarn count 60S/2 and a yarn count 80S/2; the wool effect of the cotton knitted fabric is more than or equal to 12 in 30 minutes, so that the cotton knitted fabric has a good capillary effect, the permeability to ink is in a certain interval range, the cotton knitted fabric with excellent moisture absorption and quick drying performance is obtained through processes of reasonable design weaving, after finishing and the like, the pattern is completely integrated into the fabric by adopting a reverse digital process, the printing and the fabric printing are integrated, the sense of convexity is avoided, the printing is clear, and the reverse printed knitted fabric with the fashionable and old-making effect, which has a clothing appearance and a pattern and is different from a glue printing process floating on the surface of the fabric, is developed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a schematic flow chart of a preparation method of the reverse printed fabric provided in the embodiment of the present application;
fig. 2 is a picture of the reverse printed fabric provided in the embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Throughout the specification, unless otherwise specifically noted, terms used herein should be understood as having meanings as commonly used in the art. Accordingly, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. If there is a conflict, the present specification will control. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention. For example, the room temperature may be a temperature within a range of 10 to 35 ℃.
Unless otherwise specifically stated, various raw materials, reagents, instruments, equipment and the like used in the present invention are commercially available or can be prepared by existing methods.
In order to solve the technical problems, the general idea of the embodiment of the application is as follows:
according to an exemplary embodiment of the present invention, there is provided a reverse printed fabric, the fabric including a cotton knitted fabric woven from cotton fibers, yarns of the cotton knitted fabric including any one of: yarn count 32S/1, yarn count 60S/2 and yarn count 80S/2; the capillary effect of the cotton knitted fabric in 30 minutes is more than or equal to 12.
In the examples of the present application, the 30-minute capillary and reverse permeability of the cotton knit fabric are shown in table 1.
Table 1.
In some embodiments, the fabric is a digital reverse side printing fabric, and the gram weight of the fabric is 175-185g/m2。
The printing effect can be ensured by controlling the light and thin degree of the fabric, including the permeability of printing ink, the definition of offset printing and the attractiveness of printing.
According to another exemplary embodiment of the present invention, there is provided a method for preparing the reverse printed fabric, including the steps of:
s1, spinning and weaving cotton fibers to obtain cotton knitted fabrics;
s2, carrying out plasma treatment and sizing on the cotton knitted fabric to enable the cotton knitted fabric to be rich in active groups and reduce fiber breakage, and drying to obtain a fabric to be printed;
and S3, printing, hot pressing, steaming, washing, tentering, shaping and color fixing treatment are carried out on the fabric to be printed, so that the target reverse side printed fabric is obtained.
In S1, due to the fact that requirements of reverse printing on the fabric are high, the fabric needs to be loose, light and thin, degumming and water discharging are good before printing, a good capillary effect is achieved, the following groups of yarns with different yarn count specifications can be used for obtaining a good reverse printing fabric, printing and the fabric are integrated, and no convex feeling exists.
The specific spinning process comprises the following steps: open picking → cotton carding → drawing (three passes) → roving → spun yarn → winding
Opening and picking: the rotational speed of a carding beater is 540r/min, the rotational speed of a comprehensive beater is 900r/min, and the rotational speed of a lap roller is 13 r/min.
Carding: 973r/min of a licker-in roller, 360r/min of a cylinder, 140.79mm/min of a cover plate and 25r/min of a doffer.
Drawing: the first quantitative determination is 17g/5m, the second quantitative determination is 19g/5m, and the third quantitative determination is 14g/5 m;
the specification of the spun yarn is as follows: twist 85.9T/10CM, breaking strength 247 CN/TEX.
In S1, the weaving parameters include: weaving the fabric by using a large circular loom, wherein the weaving parameters are as follows: machine number: 18 needles/25.4 mm; the cylinder diameter is as follows: 863.6 mm; machine speed: 14 r/min; the number of paths: and 8F.
In S2, the plasma treatment and sizing treatment of the fabric are performed to remove the impurities such as wax-like substances, pectin substances, polysaccharides, organic acids, nitrogen-containing substances, ash and the like contained in the pulp and the cellulose of the fabric, thereby obtaining good water absorption and a certain whiteness, which is beneficial to dyeing and finishing. The sizing is beneficial to controlling the hemming and edge scattering conditions of the knitted fabric, and is beneficial to the printing and dyeing process. The level of the wool effect is one of important indexes for evaluating the scouring effect of the semi-finished product and whether dyeing or printing can be carried out. The quality requirement of the boiled cotton cloth is measured by capillary effect, and in continuous dyeing or printing, the fabric is dipped into a dye liquor (or printing paste) and the dyeing (or printing process) is completed only in a few seconds. In order to combine with the production practice, the factory adopts a capillary effect method, namely the rising height of the fabric distilled water within 30min generally reaches more than 8 cm. In the application, the knitted cotton cloth with the capillary effect of more than or equal to 12 in 30 minutes is used, so that the penetration uniformity of the reverse printed fabric and the offset printing of the target is improved, the offset printing and the cotton fabric obtain a proper penetration effect under the condition of not using a surfactant or a penetrating agent, and the phenomena of degumming and off-printing are avoided.
In S3, the printing equipment can adopt Honghua VEGA3180S, the jet printing precision is 600 multiplied by 600dpi-2pass, after the digital printing, the hot pressing and steaming process is adopted for color fixation, and the hot pressing time, the steaming temperature and the steaming time play a vital role in the coloring and definition of the digital printing. The hot pressing time was 60 s. And (3) a steaming process: the steaming temperature is 100-102 ℃, the time is 8-12 min, and the steaming relative humidity is 80%.
In some embodiments, the plasma processing parameters include: the power of the normal pressure, air medium and plasma processing device is 1000-5000W, the vehicle speed is 10m/min, and the discharge area is 1.4m long.
Specifically, the normal pressure plasma treatment can form an etching effect on the surface of the fabric, and introduce active groups, so that the adsorbability of the fabric to ink is improved.
In some embodiments, the sizing agent component of the sizing comprises: soda ash: 30g/L, sodium alginate: 500g/L, glycerol: 50g/L and wheat starch: 10-25 g/L.
The sizing agent for sizing is controlled, so that the permeability of the printing ink during printing can be effectively controlled within a certain range, the deepening of the fabric and the printing ink is ensured, and the printing definition is improved.
In some embodiments, the sizing conditions comprise: mangle ratio: 72 percent; steaming temperature: 102 ℃; steaming time: 5-10 min.
In the embodiment of the application, the ink for digital printing and the alkaline agent for color fixing are separated, and the alkaline agent for color fixing is added to the pure cotton single jersey during pretreatment. The moisture absorbent adopts glycerin to replace the traditional urea, thereby meeting the requirement of environmental protection.
In some embodiments, the water washing process comprises, in order: cold water washing, countercurrent open washing, warm water washing, soaping, warm water washing and cold water washing; the soaping process comprises the following steps: the foamless soaping agent is 3g/L, the soaping temperature is 85 ℃, and the soaping time is 6 min.
Specifically, after the water washing is finished, drying is carried out, and the continuous drying is carried out for 3min at 120 ℃. Compared with the traditional printing, the digital printing has the advantages of accurate control and accurate ink consumption, high printing color yield and great reduction of a washing process. The project adopts the foamless soaping agent, removes loose color through dispersion, resists hard water, has no toxicity and good biodegradability, and meets the ecological requirements. The water washing process comprises the following steps: cold water washing, countercurrent open washing for 3min → warm water washing (45 ℃) → soaping → warm water washing (45 ℃) → cold water washing → drying; the soaping process comprises the following steps: 3g/L of foamless soaping agent, the soaping temperature is 85 ℃, and the soaping time is 6 min.
In some embodiments, the tenter setting comprises, in order: feeding, soaking, rolling, hot air tentering and drying cropping.
Specifically, the tentering process is cloth feeding → one-dip one-roll (the rolling residual rate is 90%, the softening agent A15 g/L) → hot air tentering (155-160 ℃) → drying and doffing.
Specifically, the pure cotton fine plain cloth has thin and thin yarns, the fiber yarns are easy to partially displace and change in width in the processing process, the width of the printed cloth is consistent through a stentering process, and meanwhile, the soft finishing can be performed.
In some embodiments, the rolling residual rate is 90%, and the hot air tentering temperature is 155 to 160 ℃.
In some embodiments, the fixing agent is an aldehyde-free fixing agent, and the fixing conditions include: the bath ratio is 1: 10, the temperature is 55 ℃, and the time is 30-40 min.
In the embodiment of the application, the performance of the reverse side printed fabric is obtained by: the pH value is 5.5-6, the water color fastness is more than or equal to grade 4, the acid sweat stain resistance is more than or equal to grade 3, and the alkali sweat stain resistance is more than or equal to grade 3; the color fastness to dry rubbing of the printing is more than or equal to grade 4; the fastness to soaping of the printing is more than or equal to grade 4; the wet and friction resistance color fastness is more than or equal to grade 4.
The process of the present invention will be described in detail below with reference to examples, comparative examples and experimental data.
The reverse side printed fabric comprises a cotton knitted fabric woven by cotton fibers, wherein yarns of the cotton knitted fabric comprise any one of the following materials: yarn count 32S/1, yarn count 60S/2 and yarn count 80S/2; the 30-minute capillary effect of the cotton knitted fabric is more than or equal to 12. The fabric is a digital reverse side printing fabric, and the gram weight of the fabric is 175-185g/m2。
The preparation method of the reverse side printed fabric comprises the following steps:
spinning and weaving cotton fibers to obtain cotton knitted fabric;
carrying out plasma treatment and sizing on the cotton knitted fabric to enable the cotton knitted fabric to be attached with active groups and reduce fiber breakage, and drying to obtain a fabric to be printed;
and printing, hot pressing, steaming, washing, tentering, setting and color fixing treatment are carried out on the fabric to be printed, so that the target reverse side printed fabric is obtained.
The plasma processing parameters include: the power of the normal pressure, air medium and plasma processing device is 1000-5000W, the vehicle speed is 10m/min, and the discharge area is 1.4m long. The sizing agent comprises the following components: soda ash: 30g/L, sodium alginate: 500g/L, glycerin: 50g/L and wheat starch: 10-25 g/L. The sizing conditions include: mangle ratio: 72 percent; steaming temperature: 102 ℃; steaming time: 5-10 min. The washing process sequentially comprises the following steps: cold water washing, countercurrent open washing, warm water washing, soaping, warm water washing and cold water washing; the soaping process comprises the following steps: the foamless soaping agent is 3g/L, the soaping temperature is 85 ℃, and the soaping time is 6 min. The tentering setting sequentially comprises: feeding, soaking, rolling, hot air tentering and drying cropping. The rolling residual rate is 90%, and the temperature of hot air tentering is 155-160 ℃. The fixing agent for fixing is an aldehyde-free fixing agent, and the fixing conditions comprise that: the bath ratio is 1: 10, the temperature is 55 ℃, and the time is 30-40 min.
The raw materials and specific processes of examples and comparative examples are shown in table 2.
| Item | Raw materials | Hair effect (30 min) | Gram weight g/m of fabric2 | Printing condition | Sizing agent | Sizing conditions |
| Example 1 | Cotton fiber | 12 | 185 | Reverse side printing | As normally added as per the application | Scope of the application |
| Example 2 | Cotton fiber | 12.5 | 180 | Reverse side printing | As normally added as per the application | Scope of the application |
| Example 3 | Cotton fiber | 13 | 178 | Reverse side printing | As normally added as per the application | Scope of the application |
| Comparative example 1 | Cotton fiber and polyester yarn | 12.5 | 142 | Reverse side printing | Without addition of wheat starch | Mangle ratio: 50 percent; steaming temperature: 11 ℃; steaming time: 5 min |
| Comparative example 2 | Cotton fiber | 11 | 147 | 0.0039 | Normal supplementAdding | Mangle ratio: 72 percent; steaming temperature: 80 ℃; steaming time: for 10 min |
| Comparative example 3 | Cotton fiber and copper ammonia silk fiber | 13 | 162 | Front printing | Replacement of wheat starch with carboxymethyl cellulose | Mangle ratio: 90 percent; steaming temperature: 102 ℃; steaming time: 8 min |
The pattern profile definition of the floating knife printing of the present invention was tested using the following test methods, and the permeability of the slurry using the floating knife printing method was tested.
1. According to the method for measuring the definition of the printed pattern contour, a wedge-shaped pattern is generally printed on a printing machine according to the practical performance, and the definition of the pattern on the fabric is displayed by comparison. The wedge pattern used to measure pattern definition is shown in figure 1. The same sizing agent is used on a printing machine to print wedge-shaped patterns by a common towel printing method and the floating knife printing method of the invention respectively, then the wedge-shaped patterns are dried immediately, and the actual length of the wedge-shaped patterns on the fabric is calculated and used as the measurement of the definition of the outline. The ratio of the wedge length on the fabric after printing to the wedge length on the screen is measured to be the measurement of the sharpness, the sharpness of the example is 98-99%, and the sharpness of the comparative example group is more than 99.6%.
2. And (4) measuring the printing permeability, and representing the penetration degree of the sizing agent by using the printing permeability. Respectively measuring the K/S values of the front side and the back side of the printed fabric by using a Datacolor850 spectrophotometer, measuring the K/S value of the grey cloth before printing, and calculating by using the following formula:
printing permeability (K/S value of the back surface of the fabric-K/S value of the back surface of the white cloth)/(K/S value of the front surface of the fabric-K/S value of the front surface of the white cloth) X100%
The permeability parameters of the prints obtained by the floating knife printing method of examples 1 and 2 of the present invention and the conventional printing of the prior art are shown in table 2.
Table 2.
| Printing method | Fabric front K/S value | K/S value of fabric reverse side | K/S value of front face of grey cloth | K/S value of reverse side of grey cloth | Permeability rate of penetration |
| Example 1 | 3.8 | 0.035 | 0.0039 | 0.0036 | 0.008 |
| Example 2 | 4.2 | 0.038 | 0.0041 | 0.0039 | 0.008 |
| Example 3 | 4.1 | 0.037 | 0.004 | 0.0038 | 0.008 |
| Comparative example 1 | 6.5 | 0.68 | 0.0042 | 0.0041 | 0.104 |
| Comparative example 2 | 6.8 | 0.7 | 0.0043 | 0.0039 | 0.102 |
| Comparative example 3 | 6.9 | 0.69 | 0.0045 | 0.004 | 0.099 |
The test result shows that the definition of the floating knife printing patterns is higher than that of the common printing technology, and the permeability of the sizing agent is lower than that of the common printing technology, so that the printing patterns are clearer and finer, and the hand feeling is soft.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The reverse side printed fabric is characterized by comprising a cotton knitted fabric woven by cotton fibers, wherein yarns of the cotton knitted fabric comprise any one of the following materials: yarn count 32S/1, yarn count 60S/2 and yarn count 80S/2; the capillary effect of the cotton knitted fabric in 30 minutes is more than or equal to 12.
2. The fabric as claimed in claim 1, wherein the fabric is a digital reverse side printed fabric, and the gram weight of the fabric is 175-185g/m2。
3. A method of making reverse printed facestock according to claim 1 or 2, comprising the steps of:
spinning and weaving cotton fibers to obtain cotton knitted fabrics;
carrying out plasma treatment and sizing on the cotton knitted fabric to enable the cotton knitted fabric to be attached with active groups and reduce fiber breakage, and drying to obtain a fabric to be printed;
and printing, hot pressing, steaming, washing, tentering, setting and color fixing treatment are carried out on the fabric to be printed, so that the target reverse side printed fabric is obtained.
4. A fabric according to claim 1, wherein the plasma treatment parameters comprise: under normal pressure,
The power of the air medium and the plasma processing device is 1000-5000W, the vehicle speed is 10m/min, and the discharge area is 1.4m long.
5. The fabric of claim 1, wherein the sizing composition comprises: 30g/L of soda ash and sodium alginate: 500g/L, glycerol: 50g/L and wheat starch: 10-25 g/L.
6. A fabric according to claim 1, wherein the sizing conditions comprise: mangle ratio: 72 percent; steaming temperature: 102 ℃; steaming time: 5-10 min.
7. The fabric according to claim 1, wherein the water washing process comprises the following steps in sequence: cold water washing, countercurrent open washing, warm water washing, soaping, warm water washing and cold water washing; the soaping process comprises the following steps: the foamless soaping agent is 3g/L, the soaping temperature is 85 ℃, and the soaping time is 6 min.
8. A fabric according to claim 1, wherein the tenter setting comprises in sequence: feeding, soaking, rolling, hot air tentering and drying cropping.
9. A fabric according to claim 8, wherein the rolling residual rate is 90%, and the temperature of hot air tentering is 155-160 ℃.
10. A fabric according to claim 1, wherein the fixing agent is an aldehyde-free fixing agent, and the fixing conditions comprise: the bath ratio is 1: 10, the temperature is 55 ℃, and the time is 30-40 min.
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| CN202210268341.1A CN114635225B (en) | 2022-03-18 | 2022-03-18 | Reverse side printed fabric and preparation method thereof |
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| CN114635225B (en) | 2023-06-23 |
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