CN112176744B - Preparation process of color printed reflective fabric and reflective fabric prepared by preparation process - Google Patents
Preparation process of color printed reflective fabric and reflective fabric prepared by preparation process Download PDFInfo
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- CN112176744B CN112176744B CN202010967153.9A CN202010967153A CN112176744B CN 112176744 B CN112176744 B CN 112176744B CN 202010967153 A CN202010967153 A CN 202010967153A CN 112176744 B CN112176744 B CN 112176744B
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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
- D06P1/5285—Polyurethanes; Polyurea; Polyguanides
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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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
- D06P1/52—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
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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
- D06P1/62—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 with sulfate, sulfonate, sulfenic or sulfinic groups
- D06P1/621—Compounds without nitrogen
- D06P1/622—Sulfonic acids or their salts
- D06P1/623—Aliphatic, aralophatic 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
- D06P1/64—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
- D06P1/645—Aliphatic, araliphatic or cycloaliphatic compounds containing amino groups
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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
- D06P1/673—Inorganic compounds
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- 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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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Abstract
The invention discloses a preparation process of a color printed reflective fabric and a reflective fabric prepared by the same, and relates to the technical field of spinning; a preparation process of a color printed reflective fabric comprises the following steps: and S1 resin layer spraying: taking a fabric, uniformly spraying resin slurry on the surface of the fabric, drying, and forming a resin layer on the surface of the fabric to obtain a resin fabric; s2 spray coating of a printed reflective layer: and uniformly spraying printing reflective slurry on the surface of the resin layer, drying, and forming a printing reflective layer on the surface of the resin layer to obtain the reflective fabric. The preparation process of the color printing type reflective fabric has the advantage of being convenient for expanding the application range of the preparation process of the reflective fabric. The reflective fabric prepared by the preparation process of the printed reflective fabric has the advantage of low cost.
Description
Technical Field
The invention relates to the technical field of reflective fabric preparation, in particular to a preparation process of a color printing type reflective fabric and the reflective fabric prepared by the preparation process.
Background
The reflective fabric is a textile fabric which is generally prepared by spraying glass bead reflective materials on the surface of the fabric and has a certain reflective function, is widely used in the fields of large outdoor advertising boards, warning board manufacturing and the like, is used in outdoor environments such as highways, roads, mines and the like, does not need illumination at night, can enable the content of the advertising board or the warning board to be clear and bright only by vehicle light, and achieves the purpose of warning or advertising. In order to deepen the warning or advertising effect, the reflective fabric is generally required to be sprayed with color printing ink.
Application publication No. CN104018356A discloses a reflective and luminous integrally printed fabric and a manufacturing process thereof, which comprises the following steps: firstly, preparing a transparent reflective film by transparent reflective glass beads and a substrate layer, and then attaching a mixture of transparent gold oil and fluorescent powder to any surface of the transparent reflective film to form a fluorescent layer; then, printing or color printing is carried out on the surface of the fluorescent layer through colored PU ink silk to form a silk-screen/color printing layer; and finally, preparing a mixture of the hot melt adhesive and the resin hot melt powder, directly arranging the mixture of the hot melt adhesive and the resin hot melt powder on the surface of the silk-screen/color-printed layer in a silk-screen or spraying manner according to a required character or pattern to form an adhesive pattern layer, forming four layers of composite noctilucent and light-reflecting integrated films after drying, and then thermally pressing the four layers of composite noctilucent and light-reflecting integrated films on the fabric. According to the technical scheme, a light reflecting film layer, a fluorescent layer, a silk-screen/color-printing layer and an adhesive pattern layer are sequentially manufactured to form a noctilucent light reflecting integrated film, and then four layers of the noctilucent light reflecting integrated film are compounded to be hot-pressed on a fabric to manufacture the light reflecting noctilucent integrated printed fabric.
However, in the process of manufacturing the reflective and luminous integrally printed fabric, the technical scheme needs to be divided into four layers to manufacture and compound the reflective and luminous integrally printed film, and then the film is heated and pressed on the fabric, so that the manufacturing process of the reflective and luminous integrally printed fabric is complex, the process cost is increased to a certain extent, and the application of the preparation process of the reflective and luminous integrally printed fabric is limited to a certain extent.
Disclosure of Invention
In view of the defects of the prior art, a first object of the present invention is to provide a process for preparing a printed reflective fabric, which facilitates the expansion of the application range, and has the advantage of facilitating the expansion of the application range of the process for preparing the reflective fabric.
A second object of the present invention is to provide a reflective fabric, which has an advantage of low cost.
In order to achieve the first object, the invention provides the following technical scheme: a preparation process of a color printed reflective fabric comprises the following steps:
s1, spraying of a resin layer: taking a fabric, uniformly spraying resin slurry of 180 g/square meter to 240 g/square meter on the surface of the fabric, and drying at 80-120 ℃ for 180-240 min to form a resin layer on the surface of the fabric, thereby obtaining the resin fabric; the resin slurry comprises 50 parts by weight of resin adhesive and 50-60 parts by weight of water;
s2 spray coating of a printed reflective layer: uniformly spraying 350 g/square meter-450 g/square meter of printing reflective paste on the surface of the resin layer, drying at 130-180 ℃ for 200-250 min to form a printing reflective layer on the surface of the resin layer to obtain a reflective fabric; the printing reflective slurry is mainly prepared from the following printing reflective raw materials in parts by weight: 45-55 parts of glass microsphere reflecting material, 95-105 parts of water, 6-10 parts of ethanol, 3-4 parts of thickening agent, 0.1-0.2 part of humectant and 1-2 parts of silane coupling agent; the printing reflective raw material also comprises printing ink;
the printing ink is mainly prepared from the following printing ink raw materials in parts by weight: 15-20 parts of dye, 5-10 parts of curing agent, 0.5-1.5 parts of sodium hydroxyethyl sulfonate, 1-3 parts of sodium starch phosphate and 5-10 parts of zeolite powder.
By adopting the technical scheme, the glass bead reflective material mainly comprises silicon dioxide and aluminum oxide, the printing ink mainly comprises dyes, the dyes used on the fabric are generally organic dyes, the compatibility of the two substances is poor, and if the two substances are sprayed on the surface of the fabric together, the problem of poor coating bonding strength is easy to occur; according to the application, the hydroxyethyl sodium sulfonate is added into the printing ink, the hydroxyethyl sodium sulfonate molecule contains oleophylic groups and hydrophilic groups, the compatibility between the glass bead reflective material and the dye is improved, the starch sodium phosphate is added, the adhesion strength of the glass beads on the surface of a resin layer is improved, the thickening agent and the silane coupling agent are added, the stability of the printing reflective paste is improved, the printing reflective paste is prevented from being layered, and the bonding strength of a printing reflective layer is improved. The main components of the zeolite powder are silicon dioxide and aluminum oxide, the zeolite powder and the glass microsphere reflective material have good compatibility, the zeolite powder has a high specific surface area and a certain adsorption effect on dyes, the compatibility among all components in the printing reflective slurry is improved, and the adhesive force of a printing reflective layer is improved; according to the application, the glass bead reflective material and the printing ink are made into the printing reflective slurry, and the printing reflective slurry is sprayed on the surface of the fabric simultaneously, so that separate spraying is not needed, the spraying process cost is reduced to a certain extent, and the application range of the reflective fabric preparation process is expanded to a certain extent.
Preferably, the printing reflective slurry is mainly prepared from the following printing reflective raw materials in parts by weight: 48-52 parts of glass microsphere reflective material, 95-105 parts of water, 7.5-8.5 parts of ethanol, 3-4 parts of thickening agent, 0.1-0.2 part of humectant, 1-2 parts of silane coupling agent, 16.5-18.5 parts of dye, 6-9 parts of curing agent, 0.5-1.5 parts of sodium isethionate, 1.5-2.5 parts of sodium starch phosphate and 6.5-8.5 parts of zeolite powder.
By adopting the technical scheme, the better raw material ratio is used, the adhesive strength of the printing reflective layer on the fabric is favorably improved, the service life of the product is prolonged, and the application range of the product is expanded.
Preferably, the resin adhesive is a waterborne polyurethane adhesive, and the curing agent is an epoxy resin curing agent.
By adopting the technical scheme, the excessive resin layer is formed on the surface of the fabric by the aqueous polyurethane adhesive, and the resin layer formed by the aqueous polyurethane adhesive is beneficial to improving the adhesive strength of the printing reflective layer on the fabric, prolonging the service life of the product and enlarging the application range of the product.
Preferably, the humectant is triethanolamine.
By adopting the technical scheme, the triethanolamine humectant can slow down the curing speed of the printing reflective paste, is beneficial to preventing the spraying equipment from being blocked and improves the convenience of the preparation process of the colored printing type reflective fabric; on the other hand, the triethanolamine humectant is added to help the diffusion and permeation of the printing reflective slurry on the resin layer, improve the adhesive strength of the printing reflective layer, prolong the service life of the product and expand the application range of the product.
Preferably, the thickener is a polyether polyurethane thickener.
By adopting the technical scheme, the polyether polyurethane thickener is added into the printing reflective slurry, so that the viscosity of the printing reflective slurry is favorably adjusted, the sedimentation of the glass microsphere reflective material is favorably prevented, the adhesive strength of the printing reflective layer is improved, the service life of the product is prolonged, and the application range of the product is expanded.
Preferably, the printing ink raw material also comprises 0.5-1.5 parts by weight of attapulgite.
By adopting the technical scheme, the attapulgite has certain thixotropy, the fluidity of the printing reflective paste is improved in the process of preparing the printing reflective paste by stirring and mixing, the convenience of the preparation process of the colored printing type reflective fabric is improved, and after the spraying is finished, the drying and the curing are carried out, the attapulgite is beneficial to improving the viscosity of the printing reflective layer, the adhesive strength of the printing reflective layer is improved, the service life of a product is prolonged, and the application range of the product is expanded.
Preferably, the preparation method of the printing ink comprises the following steps: weighing printing ink raw materials, uniformly mixing, and crushing until the particle size is not more than 20 microns to obtain the printing ink.
By adopting the technical scheme, the printing ink raw material with the proper particle size is used, the layering phenomenon of the printing reflective paste is prevented, the stability of the printing reflective paste is improved, the adhesive strength of the printing reflective layer is improved, the service life of a product is prolonged, and the application range of the product is enlarged.
In order to achieve the second object, the invention provides the following technical scheme: the reflective fabric is prepared by the preparation process of the color printed reflective fabric.
By adopting the technical scheme, the reflective fabric is prepared by using the preparation process of the colored printing type reflective fabric, the process cost is reduced to a certain extent, and the application range of the product is expanded.
In summary, the invention includes at least one of the following beneficial technical effects:
1. according to the method, sodium hydroxyethyl sulfonate, sodium starch phosphate, zeolite powder and a curing agent are added into a dye to prepare printing ink, and then a silane coupling agent, a thickening agent and a glass microsphere reflecting material are added to prepare printing reflecting slurry; by adding the zeolite powder, the sodium isethionate, the sodium starch phosphate and the thickening agent, the printing ink and the glass microsphere reflective material can be sprayed on the surface of the fabric together without separate spraying, so that the process cost is reduced to a certain extent, and the application range of the reflective fabric preparation process is expanded to a certain extent;
2. this application is with triethanolamine humectant, polyether polyurethane thickener and add attapulgite, helps improving the adhesion strength of stamp reflection stratum on the resin layer, helps prolonging product life, improves product market competition, improves product market value.
Detailed Description
Examples
The raw materials related to the invention are all commercially available, and the types and sources of the raw materials are shown in table 1.
TABLE 1 Specification, type and origin of the raw materials
Example 1: a preparation process of a color printing type reflective fabric comprises the following steps:
and S1 resin layer spraying: weighing 5Kg of waterborne polyurethane type resin adhesive, adding 5.5Kg of water, and mixing uniformly to prepare the resin slurry. The method comprises the steps of taking a fabric with the size of 2m by 2m, uniformly spraying resin slurry of 220 g/square meter on one side of the fabric, drying at 100 ℃ for 200min, and forming a resin layer on the surface of the fabric to obtain the resin fabric.
S2 spray coating of a printed reflective layer: weighing 1.8Kg of dye, adding 800g of epoxy resin curing agent, 100g of sodium isethionate, 200g of sodium starch phosphate, 800g of zeolite powder and 100g of attapulgite, uniformly mixing, crushing by a crusher, sieving by a screen with the aperture of 20 microns, continuously crushing particles with the particle size of more than 20 microns until the particle size is not more than 20 microns, and selecting the particles with the particle size of not more than 20 microns to prepare the printing ink. Weighing 10Kg of water, stirring at the rotating speed of 150 revolutions per minute, adding printing ink, then adding 5Kg of glass microsphere reflecting material, 800g of ethanol, 350g of polyether polyurethane thickening agent, 150g of silane coupling agent and 15g of triethanolamine, and continuously stirring for 25min to prepare the printing reflecting paste. And (3) uniformly spraying 400 g/square meter of printing reflective slurry on the surface of the resin layer, drying at 150 ℃ for 220min, and forming a printing reflective layer on the surface of the resin layer to obtain the reflective fabric.
Example 2
Example 2 differs from example 1 in that example 2 does not include attapulgite and otherwise remains the same as example 1.
Example 3
Example 3 is different from example 1 in that the printing ink is prepared in example 3 without crushing by a crusher, the zeolite powder has a particle size of not more than 30 μm (the zeolite powder with a particle size of not more than 30 μm is purchased directly from manufacturers), and the particle size of the printing ink is larger; example 3 weighing 1.8Kg of dye, adding 800g of epoxy resin curing agent, 100g of sodium isethionate, 200g of sodium starch phosphate, 800g of zeolite powder and 100g of attapulgite, and mixing uniformly to obtain printing ink; the others were in accordance with example 1.
Examples 4 to 11
Examples 4 to 11 differ from example 1 in the amounts of the starting materials added and the process parameters of examples 4 to 11. The particle size of the printing inks in examples 4 to 11 was kept the same as in example 1, the amounts of the respective raw materials added in examples 4 to 11 are shown in Table 2, and the process parameters in examples 4 to 11 are shown in Table 3.
TABLE 2 addition of the starting materials of examples 4 to 11
TABLE 3 parameters in the procedure of examples 4-11
Comparative example
Comparative example 1
Comparative example 1 is different from example 1 in that comparative example 1 does not add sodium isethionate, sodium starch phosphate, zeolite powder and silane coupling agent at the same time, and the others are identical to example 1.
Comparative example 2
Comparative example 2 differs from comparative example 1 in that the printing ink and the glass microsphere reflective material are sprayed onto the fabric in two layers; weighing 1.8Kg of dye in step S2 of comparative example 1, adding 800g of epoxy resin curing agent and 100g of attapulgite, uniformly mixing, crushing by a crusher, sieving by a screen with the aperture of 20 microns, continuously crushing particles with the particle size of more than 20 microns until the particle size is not more than 20 microns, and selecting the particles with the particle size of not more than 20 microns to prepare the printing ink; weighing 5Kg of water, adding 800g of ethanol, 350g of polyether polyurethane thickener, 15g of triethanolamine and printing ink, and stirring at the rotating speed of 150 revolutions per minute for 25min to prepare printing paste; uniformly spraying printing paste of 200 g/square meter on the surface of the resin layer of the resin fabric prepared in the step S1, and drying at 120 ℃ for 200min to form a printing layer to prepare a printing fabric; weighing 5Kg of water, adding 5Kg of glass bead reflective material, and stirring at the rotating speed of 150 revolutions per minute for 25min to prepare reflective slurry; and (3) uniformly spraying reflection slurry of 200 g/square meter on the surface of the printing layer, drying at 150 ℃ for 200min, and forming a reflection layer on the surface of the resin layer to obtain the reflection fabric.
Comparative example 3
The difference between the comparative example 3 and the example 1 is that the existing printing ink (SW-nylon ink provided by Hangzhou Heng ink paint Co., Ltd.) in the market is used for replacing the self-made printing ink in the comparative example 3, no silane coupling agent is added, 10Kg of water is weighed in the comparative example 3, the mixture is stirred at the rotating speed of 150 r/min, 3.5Kg of SW-nylon ink is added, 5Kg of glass bead reflective material is added, 800g of ethanol, 350g of polyether polyurethane thickening agent and 15g of triethanolamine are added, and the stirring is continued for 25min, so that the printing reflective slurry is prepared; the others were in accordance with example 1.
Performance detection
The reflective fabric prepared in examples 1 to 11 and comparative examples 1 to 3 was sent to be tested for coating peel strength, the test method refers to FZ/T01010-2012 "determination of coating peel strength of coated fabric", 10 samples with a size of 200mm by 50mm were prepared, the test was performed for 10 times, and the average value of the coating peel strength of the 10 tests was calculated, i.e., the coating peel strength of the reflective fabric, and the greater the coating peel strength, the better the adhesion strength of the printed reflective layer. The test results are shown in Table 4.
TABLE 4 comparison table of product performance test results of different reflective fabrics
| Sample numbering | Coating peel strength (N/5cm) |
| Example 1 | 213.5 |
| Example 2 | 152.7 |
| Example 3 | 124.6 |
| Example 4 | 207.3 |
| Example 5 | 205.6 |
| Example 6 | 204.9 |
| Example 7 | 206.1 |
| Example 8 | 211.4 |
| Example 9 | 212.5 |
| Example 10 | 214.8 |
| Example 11 | 213.7 |
| Comparative example 1 | 58.4 |
| Comparative example 2 | 126.8 |
| Comparative example 3 | 43.1 |
In the comparative example 1, sodium isethionate, sodium starch phosphate, zeolite powder and silane coupling agent are not added at the same time, so that the prepared product has low coating peeling strength and poor coating adhesion, and is not beneficial to product market popularization. In the comparative example 2, sodium isethionate, sodium starch phosphate, zeolite powder and silane coupling agent are not added at the same time, and the printing ink and the glass bead reflective material are sprayed on the fabric in two layers, so that the peel strength of the prepared reflective fabric coating is improved, but the reflective fabric coating spraying process is complex, the process cost is high, and the product market popularization is not facilitated. Comparative example 3 the existing printing ink in the market is used to replace the self-made printing ink, and the prepared product has low coating peeling strength and poor coating adhesive force, and is not beneficial to product market popularization.
Comparing the experimental results of the example 1 and the comparative examples 1 to 3, it can be seen that the self-made printing ink containing sodium isethionate, sodium starch phosphate and zeolite powder is used, and the silane coupling agent is added into the printing reflective slurry, and the printing ink and the glass microsphere reflective material are sprayed on the surface of the fabric together, so that the prepared product coating has good adhesive strength, and is beneficial to prolonging the service life of the product, and the printing ink and the glass microsphere reflective material do not need to be sprayed separately, so that the process cost is reduced to a certain extent, and the market popularization of the product is facilitated.
Compared with the experimental results of the embodiment 1 and the embodiment 2, the embodiment 2 does not add attapulgite, and the coating adhesion performance of the prepared reflective fabric product is slightly reduced, which is not beneficial to the market popularization of the product. Comparing the experimental results of example 1 and example 3, in example 3, the printing ink is prepared without being crushed by a crusher, the particle size of the printing ink is large, and the coating adhesion performance of the prepared reflective fabric product is reduced, which is not beneficial to the market promotion of the product.
The raw materials of examples 4 to 11 were added in different amounts and the process parameters were different from those of example 1. The printing reflective paste of the embodiment 8-11 comprises the following raw materials in proportion: 48-52 parts of glass microsphere reflecting material, 95-105 parts of water, 7.5-8.5 parts of ethanol, 3-4 parts of thickening agent, 0.1-0.2 part of humectant, 1-2 parts of silane coupling agent, 16.5-18.5 parts of dye, 6-9 parts of curing agent, 0.5-1.5 parts of sodium hydroxyethyl sulfonate, 1.5-2.5 parts of sodium starch phosphate and 6.5-8.5 parts of zeolite powder; the reflective fabric products prepared in examples 8-11 have excellent peel strength properties, strong market competitiveness and high market value. The coating adhesion properties of the reflective fabric products prepared in examples 4-7 were slightly reduced.
The fabric used in the embodiment is a common fabric without a coating, and in the actual production process, fabrics with different specifications and types can be selected according to the actual requirements, and the fabric types can be 190T, 220T, 380T, 75D and the like.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. A preparation process of a color printed reflective fabric is characterized by comprising the following steps:
and S1 resin layer spraying: taking a fabric, uniformly spraying resin slurry of 180 g/square meter to 240 g/square meter on the surface of the fabric, and drying at 80-120 ℃ for 180-240 min to form a resin layer on the surface of the fabric, thereby obtaining the resin fabric; the resin slurry comprises 50 parts by weight of resin adhesive and 50-60 parts by weight of water;
s2 spray coating of a printed reflective layer: uniformly spraying 350 g/square meter-450 g/square meter of printing reflective paste on the surface of the resin layer, drying at 130-180 ℃ for 200-250 min to form a printing reflective layer on the surface of the resin layer to obtain a reflective fabric; the printing reflective slurry is mainly prepared from the following printing reflective raw materials in parts by weight: 45-55 parts of glass microsphere reflecting material, 95-105 parts of water, 6-10 parts of ethanol, 3-4 parts of thickening agent, 0.1-0.2 part of humectant and 1-2 parts of silane coupling agent; the humectant is triethanolamine, and the printing reflective raw material further comprises printing ink;
the printing ink is mainly prepared from the following printing ink raw materials in parts by weight: 15-20 parts of dye, 5-10 parts of curing agent, 0.5-1.5 parts of sodium hydroxyethyl sulfonate, 1-3 parts of sodium starch phosphate and 5-10 parts of zeolite powder.
2. The process for preparing a color printed reflective fabric according to claim 1, wherein the printed reflective paste is mainly prepared from the following printed reflective raw materials in parts by weight: 48-52 parts of glass microsphere reflecting material, 95-105 parts of water, 7.5-8.5 parts of ethanol, 3-4 parts of thickening agent, 0.1-0.2 part of humectant, 1-2 parts of silane coupling agent, 16.5-18.5 parts of dye, 6-9 parts of curing agent, 0.5-1.5 parts of sodium hydroxyethyl sulfonate, 1.5-2.5 parts of sodium starch phosphate and 6.5-8.5 parts of zeolite powder.
3. The process for preparing a color printed reflective fabric according to claim 2, wherein: the resin adhesive is a waterborne polyurethane adhesive, and the curing agent is an epoxy resin curing agent.
4. The process for preparing a color printed reflective fabric according to claim 2, wherein: the thickening agent is polyether polyurethane thickening agent.
5. The process for preparing a color printed reflective fabric according to claim 2, wherein: the printing ink raw material also comprises 0.5-1.5 parts by weight of attapulgite.
6. The process for preparing a color printed reflective fabric according to claim 2, wherein the printing ink is prepared by the following steps: weighing printing ink raw materials, uniformly mixing, and crushing until the particle size is not more than 20 micrometers to obtain the printing ink.
7. A retroreflective fabric characterized by: the process for preparing a color printed retroreflective fabric according to any one of claims 1 to 6.
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| WO2016027835A1 (en) * | 2014-08-20 | 2016-02-25 | 株式会社ミマキエンジニアリング | Textile printing method, textile printing device, method for manufacturing printed textile article, ink, and medium for transfer |
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| GB8429929D0 (en) * | 1983-12-02 | 1985-01-03 | Ciba Geigy Ag | Dye mixtures |
| EP0177111A2 (en) * | 1984-10-01 | 1986-04-09 | Toray Industries, Inc. | Method of treating textiles |
| JP2007332523A (en) * | 2006-08-17 | 2007-12-27 | Matsui Shikiso Chem Co Ltd | Aqueous printing composition and method of continuous printing with the same |
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