CN112342796A - Preparation method of negative ion 3D printing flexible garment fabric - Google Patents
Preparation method of negative ion 3D printing flexible garment fabric Download PDFInfo
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- CN112342796A CN112342796A CN202011246933.0A CN202011246933A CN112342796A CN 112342796 A CN112342796 A CN 112342796A CN 202011246933 A CN202011246933 A CN 202011246933A CN 112342796 A CN112342796 A CN 112342796A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2205/00—Condition, form or state of the materials
- D06N2205/10—Particulate form, e.g. powder, granule
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
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Abstract
The invention relates to a preparation method of a negative ion 3D printing flexible garment fabric, and belongs to the technical field of 3D printing garment after-finishing. According to the preparation method of the negative ion 3D printing flexible garment material, tourmaline ultra-micro powder is used as an after-finishing agent, flexible PLA is used as a raw material, the flexible garment material printed by the 3D printing technology through the FDM process is subjected to negative ion finishing, and the release amount of the prepared negative ions reaches 3650/cm3The 3D printing flexible garment material. Through the negative ion arrangement of the 3D printing flexible garment material, the 3D printing flexible garment material which is produced innovatively and intelligently has excellent functionality, and the further development of the 3D printing technology in the textile garment industry is promoted.
Description
Technical Field
The invention belongs to the technical field of 3D fabrics, and relates to a preparation method of a negative ion 3D printing flexible garment fabric.
Background
Tourmaline is a natural mineral resource with extremely complex chemical components, has a series of excellent characteristics such as pyroelectricity, piezoelectricity, natural electric polarity, negative ion release and the like, and is often used as a fiber additive or a functional after-finishing agent in modern textiles to enable fibers or fabrics to emit negative ions so as to play a role in medical care.
The negative ions can be combined with smoke dust and dust particles in the air to achieve the purposes of dust removal and air purification, and meanwhile, the negative ions can improve the lung function, improve the cardiac muscle function, improve the sleep quality, promote the metabolism, enhance the disease resistance, have excellent performances such as a sterilization function and the like.
The diversification and intellectualization of the types of textile and garment fabrics become a new focus of current research, wherein the intellectualization not only needs the fabric to have intelligence, but also needs to be intelligentized in the production process. The 3D printing technology is used as a rapid forming technology, breaks through the constraint of the traditional garment production process, expresses a complex garment structure on a 3D model in a digital mode, can create more details, can realize the concept that the traditional garment fabric cannot complete, and is an innovative technology for garment design and production.
At present, the functional finishing of the garment fabric is almost the finishing of the traditional garment fabric, and the after-finishing of the 3D printed garment fabric is rare. Through the negative ion arrangement of the 3D printing flexible garment material, the 3D printing flexible garment material which is produced innovatively and intelligently has excellent functionality.
Disclosure of Invention
The invention aims to provide a preparation method of a negative ion 3D printing flexible garment material, which realizes innovation and intellectualization of garment material production and enables the prepared 3D printing flexible garment material to have excellent functionality.
The invention adopts the technical scheme that a preparation method of a negative ion 3D printing flexible garment material is implemented according to the following steps:
step 1, preparing tourmaline ultra-micro powder by using a wet ball milling method;
step 2, preprocessing the 3D printed flexible garment material;
step 3, adding the tourmaline ultrafine powder into waterborne polyurethane to prepare a compound liquid;
and 4, coating the compound liquid on the 3D printing fabric, and performing anion finishing to obtain the anion 3D printing flexible garment fabric.
The invention is also characterized in that:
the step 1 is implemented according to the following steps:
step 1.1, putting a ball milling medium and tourmaline powder into a ball milling tank with a liquid phase medium for mixing;
and step 1.2, adding a compound dispersing agent serving as a grinding aid into a ball milling tank, and carrying out ball milling to obtain the tourmaline ultra-micro powder.
In the step 1.1, the liquid-phase medium is absolute ethyl alcohol, the tourmaline powder is 8000 meshes, the ball-milling medium is zirconia ceramic balls, and the diameter of each zirconia ceramic ball is 1-6 mm.
In the step 1.2, the grinding time is 6 hours, the dosage of the compound dispersing agent is 5 percent, the compound dispersing agent consists of sodium polyacrylate and sodium polyphosphate, and the mass ratio of the sodium polyacrylate to the sodium polyphosphate is 1: 1.
The step 2 is implemented according to the following steps: wiping the surface of the 3D printed flexible garment fabric with absolute ethyl alcohol, cleaning with deionized water, performing ultrasonic treatment, and drying.
In the step 2, the ultrasonic time is 30min, and the drying temperature is 50-70 ℃.
Step 3 is specifically implemented according to the following steps:
step 3.1, weighing aqueous polyurethane, placing the aqueous polyurethane in a container, and effectively dispersing tourmaline superfine powder in the aqueous polyurethane to obtain aqueous polyurethane/tourmaline superfine powder mixed solution;
and 3.2, heating and uniformly stirring the aqueous polyurethane/tourmaline ultrafine powder mixed solution at constant temperature, and then carrying out ultrasonic treatment.
The solid content of the waterborne polyurethane in the step 3.1 is 35.8 percent, and the mass fraction of the tourmaline ultra-micro powder is 2.0 to 3.0 percent; and 3.2, stirring for 0.5-1 h.
Step 4 is specifically implemented according to the following steps:
step 4.1, weighing the aqueous polyurethane/tourmaline ultra-micro powder compound liquid to be coated on the 3D printing fabric;
and 4.2, putting the 3D printing fabric coated with the compound liquid into a blast drying oven for drying, taking out after drying, and separating from release paper to obtain the negative ion 3D printing flexible clothing fabric.
The specification of the 3D printing fabric in the step 4.1 is 5cm multiplied by 5cm, and the compound liquid is 250mg/m2～350mg/m2The coating is on 3D prints the surface fabric.
The invention has the beneficial effects that:
1. the invention adopts the tourmaline ultramicro powder as the finishing agent, has low price, wide source and low cost;
2. the preparation steps are few, the reaction process is simple, and the cost is low;
3. the 3D printed flexible garment material provided by the invention is subjected to anion finishing, so that the 3D printed flexible garment material which is produced innovatively and intelligently has excellent anionsThe anion release amount reaches 3650/cm3；
4. The invention breaks through the arrangement of the traditional fabric, and the 3D printed flexible garment fabric has functional effects of medical care and the like.
Drawings
FIG. 1 is a flow chart of a method for preparing a negative ion 3D printed flexible garment material according to the invention;
fig. 2a is a surface topography diagram of tourmaline ultramicro powder before ball milling in the preparation method of the negative ion 3D printing flexible garment material;
fig. 2b is a surface topography diagram of tourmaline ultra-micro powder after ball milling in the preparation method of the negative ion 3D printing flexible garment material of the invention;
FIG. 3a is a surface topography before finishing of a method of making a negative ion 3D printed flexible garment material of the present invention;
FIG. 3b is a finished surface topography of the preparation method of the negative ion 3D printed flexible garment material of the invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Example 1
A preparation method of a negative ion 3D printing flexible garment material is specifically implemented according to the following steps as shown in figure 1:
step 1, preparing tourmaline ultra-micro powder by using a wet ball milling method;
step 2, preprocessing the 3D printed flexible garment material;
step 3, adding the tourmaline ultrafine powder into waterborne polyurethane to prepare a compound liquid;
and 4, coating the compound liquid on the 3D printing fabric, and performing anion finishing to obtain the anion 3D printing flexible garment fabric.
The step 1 is implemented according to the following steps:
step 1.1, putting a ball milling medium and tourmaline powder into a ball milling tank with a liquid phase medium for mixing;
and step 1.2, adding a compound dispersing agent serving as a grinding aid into a ball milling tank, and carrying out ball milling to obtain the tourmaline ultra-micro powder.
In the step 1.1, the liquid-phase medium is absolute ethyl alcohol, the tourmaline powder is 8000 meshes, the ball-milling medium is zirconia ceramic balls, and the diameter of each zirconia ceramic ball is 1 mm.
In the step 1.2, the grinding time is 6 hours, the dosage of the compound dispersing agent is 5 percent, the compound dispersing agent consists of sodium polyacrylate and sodium polyphosphate, and the mass ratio of the sodium polyacrylate to the sodium polyphosphate is 1: 1.
The ball milling pot of the ball mill is made of stainless steel, and the zirconia ceramic ball mill is a QM-BP type planetary ball mill.
The step 2 is implemented according to the following steps: wiping the surface of the 3D printed flexible garment fabric with absolute ethyl alcohol, cleaning with deionized water, performing ultrasonic treatment, and drying.
In the step 2, the ultrasonic time is 30min, and the drying temperature is 50 ℃. A CQ-25-6B type ultrasonic cleaner and a 101 type electrothermal blowing drying box are adopted.
Step 3 is specifically implemented according to the following steps:
step 3.1, weighing aqueous polyurethane and placing the aqueous polyurethane in a container, adding the tourmaline ultra-micro powder into the container while stirring, and effectively dispersing the tourmaline ultra-micro powder in the aqueous polyurethane to obtain aqueous polyurethane/tourmaline ultra-micro powder mixed solution;
and 3.2, heating and uniformly stirring the aqueous polyurethane/tourmaline ultrafine powder mixed solution at constant temperature, and then carrying out ultrasonic treatment, wherein the tourmaline ultrafine powder is effectively dispersed in the aqueous polyurethane.
In the step 3.1, the solid content of the waterborne polyurethane is 35.8 percent, and the mass fraction of the tourmaline ultra-micro powder is 2.0 percent; stirring for 0.5h in the step 3.2, wherein the used constant-temperature magnetic heating stirrer is an HJ-1 type constant-temperature magnetic heating stirrer.
Step 4 is specifically implemented according to the following steps:
step 4.1, weighing the aqueous polyurethane/tourmaline ultra-micro powder compound liquid to be coated on the 3D printing fabric;
and 4.2, putting the 3D printing fabric coated with the compound liquid into a blast drying oven for drying, taking out after drying, and separating from release paper to obtain the negative ion 3D printing flexible clothing fabric.
The specification of the 3D printing fabric in the step 4.1 is 5cm multiplied by 5cm, and the compound liquid is 250mg/m2The coating is on 3D prints the surface fabric.
Example 2
A preparation method of a negative ion 3D printing flexible garment material is specifically implemented according to the following steps as shown in figure 1:
step 1, preparing tourmaline ultra-micro powder by using a wet ball milling method;
step 2, preprocessing the 3D printed flexible garment material;
step 3, adding the tourmaline ultrafine powder into waterborne polyurethane to prepare a compound liquid;
and 4, coating the compound liquid on the 3D printing fabric, and performing anion finishing to obtain the anion 3D printing flexible garment fabric.
The step 1 is implemented according to the following steps:
step 1.1, putting a ball milling medium and tourmaline powder into a ball milling tank with a liquid phase medium for mixing;
and step 1.2, adding a compound dispersing agent serving as a grinding aid into a ball milling tank, and carrying out ball milling to obtain the tourmaline ultra-micro powder.
In the step 1.1, the liquid-phase medium is absolute ethyl alcohol, the tourmaline powder is 8000 meshes, the ball-milling medium is zirconia ceramic balls, and the diameter of each zirconia ceramic ball is 4 mm.
In the step 1.2, the grinding time is 6 hours, the dosage of the compound dispersing agent is 5 percent, the compound dispersing agent consists of sodium polyacrylate and sodium polyphosphate, and the mass ratio of the sodium polyacrylate to the sodium polyphosphate is 1: 1.
The ball milling pot of the ball mill is made of stainless steel, and the zirconia ceramic ball mill is a QM-BP type planetary ball mill.
The step 2 is implemented according to the following steps: wiping the surface of the 3D printed flexible garment fabric with absolute ethyl alcohol, cleaning with deionized water, performing ultrasonic treatment, and drying.
In the step 2, the ultrasonic time is 30min, and the drying temperature is 60 ℃. A CQ-25-6B type ultrasonic cleaner and a 101 type electrothermal blowing drying box are adopted.
Step 3 is specifically implemented according to the following steps:
step 3.1, weighing aqueous polyurethane and placing the aqueous polyurethane in a container, adding the tourmaline ultra-micro powder into the container while stirring, and effectively dispersing the tourmaline ultra-micro powder in the aqueous polyurethane to obtain aqueous polyurethane/tourmaline ultra-micro powder mixed solution;
and 3.2, heating and uniformly stirring the aqueous polyurethane/tourmaline ultrafine powder mixed solution at constant temperature, and then carrying out ultrasonic treatment, wherein the tourmaline ultrafine powder is effectively dispersed in the aqueous polyurethane.
The solid content of the waterborne polyurethane in the step 3.1 is 35.8 percent, and the mass fraction of the tourmaline ultra-micro powder is 2.5 percent; stirring for 0.8h in the step 3.2, wherein the used constant-temperature magnetic heating stirrer is an HJ-1 type constant-temperature magnetic heating stirrer.
Step 4 is specifically implemented according to the following steps:
step 4.1, weighing the aqueous polyurethane/tourmaline ultra-micro powder compound liquid to be coated on the 3D printing fabric;
and 4.2, putting the 3D printing fabric coated with the compound liquid into a blast drying oven for drying, taking out after drying, and separating from release paper to obtain the negative ion 3D printing flexible clothing fabric.
The specification of the 3D printing fabric in the step 4.1 is 5cm multiplied by 5cm, and the compound liquid is 280mg/m2The coating is on 3D prints the surface fabric.
Example 3
A preparation method of a negative ion 3D printing flexible garment material is specifically implemented according to the following steps as shown in figure 1:
step 1, preparing tourmaline ultra-micro powder by using a wet ball milling method;
step 2, preprocessing the 3D printed flexible garment material;
step 3, adding the tourmaline ultrafine powder into waterborne polyurethane to prepare a compound liquid;
and 4, coating the compound liquid on the 3D printing fabric, and performing anion finishing to obtain the anion 3D printing flexible garment fabric.
The step 1 is implemented according to the following steps:
step 1.1, putting a ball milling medium and tourmaline powder into a ball milling tank with a liquid phase medium for mixing;
and step 1.2, adding a compound dispersing agent serving as a grinding aid into a ball milling tank, and carrying out ball milling to obtain the tourmaline ultra-micro powder.
In the step 1.1, the liquid-phase medium is absolute ethyl alcohol, the tourmaline powder is 8000 meshes, the ball-milling medium is zirconia ceramic balls, and the diameter of each zirconia ceramic ball is 6 mm.
In the step 1.2, the grinding time is 6 hours, the dosage of the compound dispersing agent is 5 percent, the compound dispersing agent consists of sodium polyacrylate and sodium polyphosphate, and the mass ratio of the sodium polyacrylate to the sodium polyphosphate is 1: 1.
The ball milling pot of the ball mill is made of stainless steel, and the zirconia ceramic ball mill is a QM-BP type planetary ball mill.
The step 2 is implemented according to the following steps: wiping the surface of the 3D printed flexible garment fabric with absolute ethyl alcohol, cleaning with deionized water, performing ultrasonic treatment, and drying.
In the step 2, the ultrasonic time is 30min, and the drying temperature is 70 ℃. A CQ-25-6B type ultrasonic cleaner and a 101 type electrothermal blowing drying box are adopted.
Step 3 is specifically implemented according to the following steps:
step 3.1, weighing aqueous polyurethane and placing the aqueous polyurethane in a container, adding the tourmaline ultra-micro powder into the container while stirring, and effectively dispersing the tourmaline ultra-micro powder in the aqueous polyurethane to obtain aqueous polyurethane/tourmaline ultra-micro powder mixed solution;
and 3.2, heating and uniformly stirring the aqueous polyurethane/tourmaline ultrafine powder mixed solution at constant temperature, and then carrying out ultrasonic treatment, wherein the tourmaline ultrafine powder is effectively dispersed in the aqueous polyurethane.
The solid content of the waterborne polyurethane in the step 3.1 is 35.8 percent, and the mass fraction of the tourmaline ultra-micro powder is 3.0 percent; stirring for 1h in the step 3.2, wherein the used constant-temperature magnetic heating stirrer is an HJ-1 type constant-temperature magnetic heating stirrer.
Step 4 is specifically implemented according to the following steps:
step 4.1, weighing the aqueous polyurethane/tourmaline ultra-micro powder compound liquid to be coated on the 3D printing fabric;
and 4.2, putting the 3D printing fabric coated with the compound liquid into a blast drying oven for drying, taking out after drying, and separating from release paper to obtain the negative ion 3D printing flexible clothing fabric.
The specification of the 3D printing fabric in the step 4.1 is 5cm multiplied by 5cm, and the compound liquid is 350mg/m2The coating is on 3D prints the surface fabric.
The performance test analysis is carried out on the 3D printing flexible clothing fabric prepared by the invention:
(1) anion releasing property
Testing the release amount of negative ions before and after finishing the 3D printed flexible garment material, wherein the release amount of the negative ions of the 3D printed flexible garment material before finishing is 448/cm3After finishing, 3650 pieces/cm3The release amount of negative ions is increased by 3202/cm3And the negative ion release performance of the prepared negative ion 3D printing flexible fabric is good due to the fact that the negative ion release performance is about 8 times that of the negative ion 3D printing flexible fabric before finishing.
(2) Durability
Washing the finished 3D printing flexible garment material for 0 time, 5 times, 10 times and 15 times respectively to measure the release amount of negative ions, and washing the 3D printing flexible garment material finished by the negative ions for 15 times to obtain the release amount of the negative ions of 3460/cm3And the reduction amplitude is not large compared with that before washing, which shows that the coating and the fabric have good adhesion and good durability.
(3) Moisture permeability and air permeability
The average moisture permeability of the 3D printing flexible garment fabric before finishing is 2313.45 g/(d.m 2), the air permeability is 1793mm/s, and the average moisture permeability of the 3D printing flexible garment fabric after finishing is 628.90 g/(d.m 2), and the air permeability is 11.01 mm/s. The average moisture permeability and air permeability of the finished 3D printed flexible garment material are reduced sharply, which is also one of the characteristics of the coated fabric.
(4) Stiffness of the sheet
The stiffness of the 3D printed flexible garment material before and after finishing is tested by adopting a horizontal inclination angle of 45 degrees, the average bending length of the 3D printed flexible garment material before finishing is 3.79cm, and the average bending length of the 3D printed flexible garment material after finishing is 3.10 cm. From this it can be seen that the finished 3D printed flexible garment material is softer than before finishing.
(5) Elasticity of fold
The average sharp elasticity recovery angle of the 3D printed flexible garment fabric before finishing is 140.36 degrees, and the average slow elasticity recovery angle is 150.54 degrees; the average sharp elasticity recovery angle of the finished 3D printing flexible garment fabric is 138.52 degrees, and the average slow elasticity recovery angle is 136.4 degrees. It can be seen that the crease resistance of the finished 3D printed flexible garment material is slightly reduced, but the wearability of the fabric is not affected.
(6) Abrasion resistance
The surface of the coated 3D printing flexible garment fabric is protected by the coating agent, the coating agent consists of the functional finishing agent and the waterborne polyurethane, the waterborne polyurethane has good wear resistance, and meanwhile, the coating agent fills gaps among the flexible PLA filaments to form a tough protective layer on the surface of the fabric, so that the wear resistance of the finished 3D printing flexible garment fabric is remarkably improved.
As can be seen from fig. 2a, 2 b: the tourmaline particles before ball milling are large, disordered and seriously agglomerated, as shown in figure 2 a; the particle diameter of the ball-milled tourmaline powder is obviously reduced and the powder is uniformly dispersed, as shown in figure 2 b.
As can be seen in fig. 3a, 3 b: the 3D printed flexible garment material has smooth surface before finishing, gaps and arrangement sequence of the printed flexible filaments in the process of forming the flexible fabric can be obviously seen, and the arrangement gaps are large as shown in figure 3 a; tourmaline powder is uniformly attached to the surface of the post-finished 3D printed flexible garment material, and gaps on the surface are filled with a finishing agent to form grooves, as shown in figure 3 b.
Claims (10)
1. A preparation method of a negative ion 3D printing flexible garment material is characterized by comprising the following steps:
step 1, preparing tourmaline ultra-micro powder by using a wet ball milling method;
step 2, preprocessing the 3D printed flexible garment material;
step 3, adding the tourmaline ultrafine powder into waterborne polyurethane to prepare a compound liquid;
and 4, coating the compound liquid on the 3D printing fabric, and performing anion finishing to obtain the anion 3D printing flexible garment fabric.
2. The preparation method of the negative ion 3D printing flexible garment material according to claim 1, wherein the step 1 is specifically implemented according to the following steps:
step 1.1, putting a ball milling medium and tourmaline powder into a ball milling tank with a liquid phase medium for mixing;
and step 1.2, adding a compound dispersing agent serving as a grinding aid into a ball milling tank, and carrying out ball milling to obtain the tourmaline ultra-micro powder.
3. The preparation method of the negative ion 3D printing flexible garment material according to claim 2, wherein in the step 1.1, the liquid-phase medium is absolute ethyl alcohol, the tourmaline powder is 8000 meshes, the ball-milling medium is zirconia ceramic balls, and the diameter of each zirconia ceramic ball is 1-6 mm.
4. The preparation method of the negative ion 3D printing flexible garment material according to claim 2, wherein the grinding time in the step 1.2 is 6 hours, the amount of the compound dispersing agent is 5%, the compound dispersing agent is composed of sodium polyacrylate and sodium polyphosphate, and the mass ratio of the sodium polyacrylate to the sodium polyphosphate is 1: 1.
5. The preparation method of the negative ion 3D printing flexible garment material according to claim 1, wherein the step 2 is specifically implemented according to the following steps: wiping the surface of the 3D printed flexible garment fabric with absolute ethyl alcohol, cleaning with deionized water, performing ultrasonic treatment, and drying.
6. The preparation method of the negative ion 3D printing flexible garment material according to claim 5, wherein the ultrasonic time in the step 2 is 30min, and the drying temperature is 50-70 ℃.
7. The preparation method of the negative ion 3D printing flexible garment material according to claim 1, wherein the step 3 is specifically implemented according to the following steps:
step 3.1, weighing aqueous polyurethane, placing the aqueous polyurethane in a container, and effectively dispersing tourmaline superfine powder in the aqueous polyurethane to obtain aqueous polyurethane/tourmaline superfine powder mixed solution;
and 3.2, heating and uniformly stirring the aqueous polyurethane/tourmaline ultrafine powder mixed solution at constant temperature, and then carrying out ultrasonic treatment.
8. The preparation method of the negative ion 3D printing flexible garment material according to claim 7, wherein the solid content of the waterborne polyurethane in the step 3.1 is 35.8%, and the mass fraction of the tourmaline ultra-micro powder is 2.0-3.0%; and stirring for 0.5-1 h in the step 3.2.
9. The preparation method of the negative ion 3D printing flexible garment material according to claim 8, wherein the step 4 is specifically implemented according to the following steps:
step 4.1, weighing the aqueous polyurethane/tourmaline ultra-micro powder compound liquid to be coated on the 3D printing fabric;
and 4.2, putting the 3D printing fabric coated with the compound liquid into a blast drying oven for drying, taking out after drying, and separating from release paper to obtain the negative ion 3D printing flexible clothing fabric.
10. The method for preparing the negative ion 3D printing flexible garment material according to claim 9, wherein the 3D printing fabric of the step 4.1 is 5cm x 5cm in specification, and the compound liquid is 250mg/m2～350mg/m2The coating is on 3D prints the surface fabric.
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