CN112160158A - Preparation process of printed light-reflecting and light-storing fabric prepared by same - Google Patents
Preparation process of printed light-reflecting and light-storing fabric prepared by same Download PDFInfo
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- CN112160158A CN112160158A CN202010968869.0A CN202010968869A CN112160158A CN 112160158 A CN112160158 A CN 112160158A CN 202010968869 A CN202010968869 A CN 202010968869A CN 112160158 A CN112160158 A CN 112160158A
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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
- D06M11/77—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 silicon or compounds thereof
- D06M11/79—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 silicon or compounds thereof with silicon dioxide, silicic acids or their salts
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
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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
- D06M13/02—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with hydrocarbons
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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
- D06M13/244—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 sulfur or phosphorus
- D06M13/248—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 sulfur or phosphorus with compounds containing sulfur
- D06M13/256—Sulfonated compounds esters thereof, e.g. sultones
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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
- D06M13/322—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 nitrogen
- D06M13/402—Amides imides, sulfamic acids
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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
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
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- Chemical Or Physical Treatment Of Fibers (AREA)
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Abstract
The invention discloses a preparation process of a printed light-reflecting and light-storing fabric and a light-storing fabric prepared by the same, and relates to the technical field of spinning; a preparation process of a printed light-reflecting and light-storing fabric comprises the following steps: and S1 resin layer spraying: taking a fabric, 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 light storage layer spraying: spraying light storage slurry on the surface of the resin layer, drying, and forming a light storage layer on the surface of the resin layer to obtain a noctilucent fabric; s3 printing layer spraying: spraying printing paste on the surface of the light-storing layer, drying, and forming a printing layer on the surface of the light-storing layer to obtain a printed fabric; s4 reflective layer spraying: and spraying reflective slurry on the surface of the printing layer, and drying to obtain the light-storing fabric. The preparation process of the printed reflective light-storing fabric has the advantage of improving the adhesive strength of the light-storing layer conveniently. The light-storing fabric prepared by the preparation process of the printed light-reflecting and light-storing fabric has the advantage of good adhesive strength of a light-storing layer.
Description
Technical Field
The invention relates to the technical field of spinning, in particular to a preparation process of a printed light-reflecting and light-storing fabric and a light-storing fabric prepared by the same.
Background
The light-storing fabric is made of rare earth luminescent materials, can absorb certain sunlight and store the sunlight in the fabric, then releases light in the dark, improves the visibility of people walking at night, is widely used in underground construction fields such as coal mines and the like, and is increasingly developed by people.
Application publication No. CN102041698A discloses a method for preparing a noctilucent printed fabric, which comprises the steps of fully mixing a gold and silver powder adhesive with water, adding a rare earth aluminate luminescent material, fully mixing, finally adding a pigment printing thickener HIT, fully mixing to obtain a printing paste, wherein the raw materials in the printing paste comprise 380-420 parts by weight of the gold and silver powder adhesive, 90-110 parts by weight of the rare earth aluminate luminescent material, 10-30 parts by weight of the pigment printing thickener HIT, and 460-480 parts by weight of water, printing the printing paste on the raw fabric in a flat screen printing mode, baking at the temperature of 145-155 ℃ for 2.5-3.5 minutes after printing, and then performing softening treatment to obtain the noctilucent printed fabric. According to the technical scheme, the printing paste containing the rare earth aluminate luminescent material is printed on the fabric to prepare the printed fabric with the light storage function.
However, the printing paste of the technical scheme is mainly prepared from a gold and silver powder adhesive and a rare earth aluminate luminescent material, the gold and silver powder adhesive mainly comprises acrylate compounds, the density and polarity of the gold and silver powder adhesive and the rare earth aluminate have certain difference, the compatibility between the gold and silver powder adhesive and the rare earth aluminate is poor, the rare earth aluminate is not convenient to uniformly disperse in the printing paste, and certain adverse effect can be brought to the adhesive strength between the rare earth aluminate and the fabric.
Disclosure of Invention
In view of the defects of the prior art, the first object of the invention is to provide a preparation process of a printed reflective light-storing fabric which facilitates improving the adhesive strength of a light-storing layer, and has the advantage of facilitating improving the adhesive strength of the light-storing layer.
The second purpose of the invention is to provide a light-storing fabric which has the advantage of good adhesive strength of a light-storing layer.
In order to achieve the first object, the invention provides the following technical scheme: a preparation process of a printed light-reflecting and light-storing fabric comprises the following steps:
and S1 resin layer spraying: taking a fabric, uniformly spraying resin slurry of 150 g/square meter to 300 g/square meter on the surface of the fabric, drying at 100-150 ℃ for 140-200 min, and forming a resin layer on the surface of the fabric to obtain the resin fabric; the resin slurry comprises 50 parts by weight of resin adhesive and 45-55 parts by weight of water;
s2 light storage layer spraying: uniformly spraying light storage slurry of 200 g/square meter to 250 g/square meter on the surface of the resin layer, and drying at 120-160 ℃ for 80-150 min to form a light storage layer on the surface of the resin layer to obtain the noctilucent fabric; the light storage slurry is mainly prepared from light storage slurry powder and 40-50 parts by weight of water, wherein the light storage slurry powder comprises 50 parts by weight of rare earth silicate light storage agent;
s3 printing layer spraying: uniformly spraying printing paste of 160 g/square meter to 220 g/square meter on the surface of the light storage layer, and drying at 100-140 ℃ for 120-180 min to form a printing layer on the surface of the light storage layer to obtain a printed fabric; the printing paste comprises 50 parts by weight of printing ink and 50-60 parts by weight of water;
s4 reflective layer spraying: uniformly spraying reflective slurry of 220 g/square meter to 280 g/square meter on the surface of a printing layer, and drying at 120-160 ℃ for 100-160 min to obtain light storage fabric; the light reflecting paste comprises 50 parts by weight of light reflecting materials and 48-56 parts by weight of water.
By adopting the technical scheme, the resin layer with strong adhesive force is firstly sprayed on the surface of the fabric, the adhesive strength of the resin adhesive on the surface of the fabric is improved through high-temperature drying, the surface performance of the fabric is changed, and then the light storage slurry containing the rare earth silicate light storage agent is sprayed on the surface of the resin layer, the rare earth silicate light storage agent is attached to the surface of the resin layer, so that the direct bonding of the rare earth silicate light storage agent and the surface of the fabric with large polarity difference is avoided, the adhesive performance of the light storage layer on the surface of the fabric is improved, and the falling probability of the light storage layer is. By spraying the resin layer and then spraying the light storage layer, the printing paste prepared from the adhesive with larger polarity and density difference and the light storage agent is avoided, so that the light storage agent can be more uniformly dispersed on the surface of the resin layer, and the light storage and light emitting functions of the light storage agent are better exerted.
Preferably, the powder of the light storage slurry also comprises 0.5 to 0.8 weight part of hydroxyethyl sodium sulfonate.
By adopting the technical scheme, the hydroxyethyl sodium sulfonate is added into the light storage slurry, and the molecules of the hydroxyethyl sodium sulfonate contain hydrophilic groups and lipophilic groups, so that the compatibility of the resin layer and the light storage layer is improved, the adhesion performance of the light storage layer is improved, the falling probability of the light storage agent is reduced, the service life of the light storage fabric is prolonged, the market competitiveness of products is improved, and the market value of the products is improved.
Preferably, the powder of the light storage slurry also comprises 0.3 to 0.6 weight part of stearamide and 0.2 to 0.5 weight part of microcrystalline paraffin.
By adopting the technical scheme, a certain amount of stearamide and microcrystalline paraffin are added into the light storage slurry, so that the dispersity of the light storage agent in the light storage slurry is improved, the stability of the light storage slurry is improved, the light storage agent is uniformly dispersed on the surface of the resin layer, the adhesive force of the light storage agent on the surface of the resin layer is improved, the service life of the light storage fabric is prolonged, the market competitiveness of a product is improved, and the market value of the product is improved.
Preferably, the step S2 includes the following steps:
preparation of S2A light storage agent: dissolving 10-15 parts by weight of strontium nitrate, 0.15-0.25 part by weight of europium nitrate and 0.2-0.3 part by weight of dysprosium nitrate into 100 parts by weight of water, adding 20-30 parts by weight of nano neutral silica sol with the mass concentration of 30-40% of silicon dioxide, stirring at the rotating speed of 100-300 r/min for 20-50 min, adding 20-30 parts by weight of ethanol, heating to 50-70 ℃, continuing to stir for 25-35 min, stopping stirring, drying at 80-120 ℃ for 500-600 min, and roasting at 800-900 ℃ for 300-400 min under the atmosphere of reducing gas to obtain the rare earth silicate light storage agent;
preparing S2B light-storing slurry: weighing light storage slurry powder, uniformly mixing and crushing to obtain light storage powder, adding 40-50 parts by weight of water, and uniformly mixing to obtain light storage slurry;
S2C: and uniformly spraying light storage slurry of 200 g/square meter to 250 g/square meter on the surface of the resin layer, and drying at 120-160 ℃ for 80-150 min to obtain the noctilucent fabric.
By adopting the technical scheme, the light storage agent is prepared by using neutral silica sol containing nano particles, in the preparation process of the light storage agent, europium, dysprosium, strontium and other metal ions are uniformly adsorbed on the surfaces of the nano particles, anhydrous ethanol is added, partial rare earth salt is attached to the nano particles to be agglomerated to form sol, the sol is heated and converted into gel, and the rare earth silicate light storage agent is prepared by high-temperature roasting, so that rare earth particles with the light storage function are uniformly dispersed in the light storage agent, the light storage function and the night light emitting function are better exerted, and the market competitiveness of products is improved.
Preferably, the particle size of the light-storing powder is not more than 25 μm.
By adopting the technical scheme, the light storage powder with proper particle size is used, the stability of the light storage slurry is improved, the adhesion performance of the light storage agent on the surface of resin is improved, the service life of the light storage fabric is prolonged, the market competitiveness of the product is improved, and the market value of the product is improved.
Preferably, the reducing gas consists of 3% hydrogen and 97% helium.
By adopting the technical scheme, the reducing gas containing helium is used, so that on one hand, the reducing gas atmosphere required by preparing the light storage agent can be provided; on the other hand, compared with nitrogen, helium has a higher heat conductivity coefficient, the roasting process is generally carried out in a sealed roasting furnace, and in the roasting process, helium with a high heat conductivity coefficient flows in the roasting furnace to realize heat exchange, so that the temperature difference between different parts in the raw materials of the light storage agent is reduced, the rare earth metal ions are prevented from being migrated and agglomerated, the rare earth metal ions are uniformly dispersed in the light storage agent, the light storage and light emitting functions of the rare earth metal ions are better exerted, the service life is prolonged, the market competitiveness of products is improved, and the market value of the products is improved.
Preferably, the reflecting material is a glass bead reflecting material, and the particle size of the glass bead reflecting material is not more than 35 μm.
By adopting the technical scheme, the reflective material with the proper particle size is used, so that the adhesive strength between different functional coatings on the fabric is improved, the adhesive force of the light-storing layer is improved, the service life of a product is prolonged, the market competitiveness of the product is improved, and the market value of the product is improved.
In order to achieve the second object, the invention provides the following technical scheme: a light-storing fabric is prepared by the preparation process of the printed light-reflecting and light-storing fabric.
By adopting the technical scheme, the light storage fabric prepared by the preparation process of the printed light-reflecting and light-storing fabric disclosed by the application improves the adhesion property of the light storage layer, is beneficial to prolonging the service life of a product, improves the market competitiveness of the product and improves the market value of the product.
In summary, the invention includes at least one of the following beneficial technical effects:
1. according to the method, the resin layer containing the resin adhesive is sprayed on the surface of the fabric, the light storage layer containing the rare earth silicate light storage agent is sprayed on the surface of the resin layer, and the resin layer forms a transition layer with strong viscosity, so that the rare earth silicate light storage agent with large polarity difference is prevented from being directly contacted with the surface of the fabric, the adhesion of the light storage layer on the surface of the fabric is improved, and the service life of a product is prolonged; according to the printing paste, the resin layer and the light storage layer are sprayed, so that the light storage agent and the adhesive are prevented from being prepared into the printing paste, the light storage agent is favorably and uniformly dispersed on the surface of the fabric, the light storage function and the night light emitting function of the light storage agent are better exerted, the market competitiveness of the product is improved, and the market value of the product is improved;
2. according to the light storage slurry, the hydroxyethyl sodium sulfonate, the stearamide and the microcrystalline paraffin are added into the light storage slurry, so that the stability of the light storage slurry is improved, the light storage agent is more uniformly dispersed on the surface of the fabric, the adhesive force of a light storage layer is improved, and the service life of a product is prolonged;
3. the preparation method has the advantages that the neutral silica sol containing the nano particles is used in the preparation process of the light storage agent, and the calcination is carried out in the reducing gas atmosphere containing hydrogen and helium, so that the improvement of the viscosity of the light storage agent is facilitated, the adhesion of a light storage layer is improved, rare earth metal ions with the light storage function and the night light emitting function are uniformly dispersed in the light storage agent, the light storage function and the night light emitting function are better played, the service life is prolonged, and the market value of products is improved.
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 printed light-reflecting and light-storing fabric comprises the following steps:
and S1 resin layer spraying: 5Kg of resin adhesive is taken and added with 5Kg of water to be uniformly mixed 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 200 g/square meter on one side of the fabric, drying at 120 ℃ for 170min, and forming a resin layer on the surface of the fabric to obtain the resin fabric.
S2 light storage layer spraying, wherein the light storage layer spraying comprises the following steps: preparation of S2A light storage agent: dissolving 12Kg of strontium nitrate, 200g of europium nitrate and 250g of dysprosium nitrate into 100Kg of water, transferring the mixture into an open stirring barrel, adding 25Kg of nano neutral silica sol with the mass concentration of silicon dioxide of 40%, stirring the mixture for 40min at the rotating speed of 200 r/min, adding 25Kg of ethanol, heating the mixture to 60 ℃, opening the stirring barrel, stopping stirring, standing the mixture at 60 ℃ for 200min, drying the mixture for 550min at 100 ℃, transferring the mixture into a roasting furnace, vacuumizing the roasting furnace to-0.095 MPa, introducing reducing gas consisting of 3% of hydrogen and 97% of helium, sealing the mixture, and roasting the mixture for 350min at 850 ℃ to obtain the rare earth silicate light storage agent. Preparing S2B light-storing slurry: weighing 5Kg of rare earth silicate light-storing agent, adding 60g of sodium isethionate, 45g of stearamide and 35g of microcrystalline paraffin, uniformly mixing, crushing by a crusher, sieving by a sieve with the aperture of 25 mu m, continuously crushing particles with the particle size of more than 25 mu m until the particle size is not more than 25 mu m, and selecting the particles with the particle size of not more than 25 mu m to prepare the light-storing powder material. 4.5Kg of water is added into the light-storing powder and mixed evenly to prepare the light-storing slurry. S2C: and (3) uniformly spraying 220 g/square meter of light storage slurry on the surface of the resin layer, drying at 140 ℃ for 120min to form a light storage layer on the surface of the resin layer, and thus obtaining the noctilucent fabric.
S3 printing layer spraying: uniformly mixing 5Kg of printing ink and 5.5Kg of water to prepare printing paste; and (3) uniformly spraying 190 g/square meter of printing paste on the surface of the light storage layer, drying at 120 ℃ for 150min, and forming a printing layer on the surface of the light storage layer to obtain the printed fabric.
S4 reflective layer spraying: 10Kg of glass microsphere reflective material is screened by a screen with the aperture of 35 μm, and the glass microsphere reflective material with the particle size of not more than 35 μm is selected. 5Kg of glass microsphere reflective material is taken and added with 5.2Kg of water to be uniformly mixed to prepare the reflective slurry. And (3) uniformly spraying 260 g/square meter of reflective slurry on the surface of the printed layer, drying at 140 ℃ for 130min to form a reflective layer on the surface of the printed layer, and thus obtaining the light storage fabric.
Example 2
Example 2 differs from example 1 in that example 2 does not have sodium isethionate, all other things remaining the same as in example 1.
Example 3
Example 3 differs from example 1 in that example 3 does not have both microcrystalline paraffin and stearamide added, all otherwise in accordance with example 1.
Example 4
Example 4 is different from example 1 in that, in example 4, a self-made light storage agent is replaced by a light storage agent (803 type light storage agent provided by Shanghai Zhengzhou Fine chemical Co., Ltd.), in example 4, 5Kg of 803 type light storage agent is taken, 60g of sodium hydroxyethyl sulfonate, 45g of stearamide and 35g of microcrystalline paraffin are added, the mixture is uniformly mixed, the mixture is crushed by a crusher, the mixture is sieved by a screen with the aperture of 25 mu m, particles with the particle size larger than 25 mu m are continuously crushed until the particle size is not larger than 25 mu m, and particles with the particle size not larger than 25 mu m are selected to prepare light storage powder; the others were in accordance with example 1.
Examples 5 to 10
Examples 5 to 10 differ from example 1 in the amounts of the starting materials added and the process parameters of examples 5 to 10. The particle sizes of the light-storing powder and the glass bead reflecting material in the examples 5-10 are consistent with those in the example 1, the addition amount of each raw material in the examples 5-10 is shown in Table 2, and the process parameters in the examples 5-10 are shown in Table 3.
TABLE 2 addition of the starting materials of examples 5 to 10
TABLE 3 parameters in the procedure of examples 5-10
Comparative example
Comparative example 1
Comparative example 1 is different from example 1 in that comparative example 1 replaces the self-made light storage agent with the light storage agent (803 provided by Shanghai Zhengzhou Fine chemical Co., Ltd.) in the market, and the functional raw materials are not separately sprayed; comparative example 1 a light storage fabric was prepared by taking 5Kg of 803 type light storage agent, adding 5Kg of resin adhesive, 5Kg of printing ink and 5Kg of glass bead reflective material with particle size not greater than 35 μm, mixing well, adding 20.2Kg of water, mixing well to prepare printing light storage paste, spraying 870 g/square meter printing light storage paste evenly on the surface of the fabric, and drying at 120 ℃ for 550 min.
Comparative example 2
Comparative example 2 is different from example 1 in that in comparative example 2, a light storage agent (a light storage agent of type 803 provided by Shanghai Zhengzhou Fine chemical Co., Ltd.) existing in the market is used for replacing a self-made light storage agent, and each functional raw material is divided into two layers for spraying; comparative example 2 taking 5Kg of 803 light storage agent, adding 5Kg of resin adhesive, mixing uniformly, adding 10Kg of water, mixing uniformly to obtain light storage adhesive paste, spraying 420 g/square meter of light storage adhesive paste uniformly on the surface of fabric, drying at 120 ℃ for 300min to obtain coated fabric, wherein the surface of the coated fabric contains a light storage adhesive layer; taking 5Kg of printing ink and 5Kg of glass bead reflective material with the particle size not more than 35 mu m, uniformly mixing, adding 10Kg of water, uniformly mixing to prepare printing reflective paste, uniformly spraying 450 g/square meter of printing reflective paste on the surface of the light storage adhesive layer, and drying at 120 ℃ for 400min to prepare the light storage fabric.
Performance detection
The samples of the light-storing fabrics prepared in examples 1-10 and comparative examples 1-2 are sent to be tested for the coating peel strength, the testing method refers to FZ/T01010-2012, determination of coating peel strength of the coating fabric, 10 samples with the size of 200mm by 50mm are prepared and tested for 10 times, and the average value of the coating peel strength of the 10 times of testing is calculated, namely the coating peel strength of the light-storing fabric, wherein the larger the coating peel strength is, the better the adhesion strength of the light-storing layer is. The test results are shown in Table 4.
TABLE 4 comparison table of product performance test results of different light-storing fabrics
| Sample numbering | Coating peel strength (N/5cm) |
| Example 1 | 185.4 |
| Example 2 | 91.5 |
| Example 3 | 87.6 |
| Example 4 | 124.8 |
| Example 5 | 187.1 |
| Example 6 | 182.9 |
| Example 7 | 183.6 |
| Example 8 | 186.7 |
| Example 9 | 185.8 |
| Example 10 | 184.3 |
| Comparative example 1 | 47.2 |
| Comparative example 2 | 68.5 |
Comparative example 1 the existing light storage agent in the market is used, and the light storage agent, the resin adhesive, the printing ink and the glass bead reflective material are mixed to prepare the printing light storage slurry and then are sprayed on the surface of the fabric, so that the prepared product has low coating peel strength and poor coating adhesive force, and is not beneficial to product market popularization. Comparative example 2 the existing light storage agent in the market is used, the light storage agent and the resin adhesive are mixed to prepare the light storage adhesive paste, the printing ink and the glass bead reflective material are mixed to prepare the printing reflective paste, and the printing reflective paste is sprayed on the surface of the fabric in two layers, so that the prepared product has low coating peel 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 1-2, it can be seen that the prepared product coating has good adhesion strength by using the self-made light storage agent and adding the sodium isethionate, the microcrystalline paraffin and the stearamide and spraying the mixture to the surface of the fabric in four layers, is beneficial to prolonging the service life of the product and is beneficial to market popularization of the product.
The experimental results of comparative example 1 and example 2 show that the coating adhesion performance of the prepared light-storing fabric product is poor and the market popularization of the product is not facilitated because no hydroxyethyl sodium sulfonate is added in example 2. Comparing the experimental results of example 1 and example 3, in example 3, stearamide and microcrystalline paraffin are not added at the same time, and the coating adhesion performance of the prepared light-storing fabric product is reduced, which is not beneficial to the market popularization of the product. The experimental results of comparative example 1 and example 4 show that, in example 4, the light-storing textile product prepared by using the existing light-storing agent product on the market has reduced coating adhesion performance, which is not beneficial to the market popularization of the product.
Compared with the example 1, the light-storing fabric products prepared by the method have the advantages that the addition amount of the raw materials is different in the examples 5 to 10, the process parameters are different, the prepared light-storing fabric products have excellent peeling strength performance, the market competitiveness of the products is strong, and the market value of the products is high.
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. And spraying the printing paste on the light-storing layer to form a printing layer, and spraying the reflecting paste on the printing layer to form a reflecting layer. The median particle size of the nano neutral silica sol in the embodiment is 43.5nm, and the nano neutral silica sol with the median particle size of 20nm-100nm can be selected in practical production.
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 (8)
1. A preparation process of a printed light-reflecting and light-storing fabric is characterized by comprising the following steps:
and S1 resin layer spraying: taking a fabric, uniformly spraying resin slurry of 150 g/square meter to 300 g/square meter on the surface of the fabric, drying at 100-150 ℃ for 140-200 min, and forming a resin layer on the surface of the fabric to obtain the resin fabric; the resin slurry comprises 50 parts by weight of resin adhesive and 45-55 parts by weight of water;
s2 light storage layer spraying: uniformly spraying light storage slurry of 200 g/square meter to 250 g/square meter on the surface of the resin layer, and drying at 120-160 ℃ for 80-150 min to form a light storage layer on the surface of the resin layer to obtain the noctilucent fabric; the light storage slurry is mainly prepared from light storage slurry powder and 40-50 parts by weight of water, wherein the light storage slurry powder comprises 50 parts by weight of rare earth silicate light storage agent;
s3 printing layer spraying: uniformly spraying printing paste of 160 g/square meter to 220 g/square meter on the surface of the light storage layer, and drying at 100-140 ℃ for 120-180 min to form a printing layer on the surface of the light storage layer to obtain a printed fabric; the printing paste comprises 50 parts by weight of printing ink and 50-60 parts by weight of water;
s4 reflective layer spraying: uniformly spraying reflective slurry of 220 g/square meter to 280 g/square meter on the surface of a printing layer, and drying at 120-160 ℃ for 100-160 min to obtain light storage fabric; the light reflecting paste comprises 50 parts by weight of light reflecting materials and 48-56 parts by weight of water.
2. The process for preparing a printed reflective light-storing fabric according to claim 1, wherein the process comprises the following steps: the powder of the light-storing slurry also comprises 0.5 to 0.8 weight part of hydroxyethyl sodium sulfonate.
3. The process for preparing a printed reflective light-storing fabric according to claim 1, wherein the process comprises the following steps: the light storage slurry powder also comprises 0.3-0.6 part by weight of stearamide and 0.2-0.5 part by weight of microcrystalline paraffin.
4. The process for preparing printed reflective light-accumulating fabric according to claim 1, wherein the step S2 comprises the following steps:
preparation of S2A light storage agent: dissolving 10-15 parts by weight of strontium nitrate, 0.15-0.25 part by weight of europium nitrate and 0.2-0.3 part by weight of dysprosium nitrate into 100 parts by weight of water, adding 20-30 parts by weight of nano neutral silica sol with the mass concentration of 30-40% of silicon dioxide, stirring at the rotating speed of 100-300 r/min for 20-50 min, adding 20-30 parts by weight of ethanol, heating to 50-70 ℃, continuing to stir for 25-35 min, stopping stirring, drying at 80-120 ℃ for 500-600 min, and roasting at 800-900 ℃ for 300-400 min under the atmosphere of reducing gas to obtain the rare earth silicate light storage agent;
preparing S2B light-storing slurry: weighing light storage slurry powder, uniformly mixing and crushing to obtain light storage powder, adding 40-50 parts by weight of water, and uniformly mixing to obtain light storage slurry;
S2C: and uniformly spraying light storage slurry of 200 g/square meter to 250 g/square meter on the surface of the resin layer, and drying at 120-160 ℃ for 80-150 min to obtain the noctilucent fabric.
5. The process for preparing a printed reflective light-storing fabric according to claim 4, wherein the process comprises the following steps: the grain diameter of the light-storing powder is not more than 25 mu m.
6. The process for preparing a printed reflective light-storing fabric according to claim 4, wherein the process comprises the following steps: the reducing gas consists of 3% hydrogen and 97% helium.
7. The process for preparing a printed reflective light-storing fabric according to claim 1, wherein the process comprises the following steps: the reflecting material is glass bead reflecting material, and the particle size of the glass bead reflecting material is not more than 35 μm.
8. A light-storing fabric, characterized by: the printed reflective light-storing fabric prepared by the process of any one of claims 1-7.
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