阅读说明：本技术 一种抗菌服装面料及其制备方法 (Antibacterial garment fabric and preparation method thereof ) 是由 陶文娟 于 2021-09-07 设计创作，主要内容包括：本发明公开了一种抗菌服装面料及其制备方法,该面料包括涤纶纤维,所述涤纶纤维表面设有抗菌涂料层；所述抗菌涂料层的制备原料包括聚氨酯丙烯酸酯、抗菌材料；所述抗菌材料的制备原料包括氧化石墨烯、纳米银、氧化锌和二氧化钛；所述抗菌涂料的厚度为1μm～100μm。本发明的抗菌服装面料具有高效吸附和去除细菌病毒的功能,在废弃和回收环节可以大大降低细菌和病毒对环境的二次扩散和污染。(The invention discloses an antibacterial garment fabric and a preparation method thereof, wherein the fabric comprises polyester fibers, and an antibacterial coating layer is arranged on the surface of each polyester fiber; the raw materials for preparing the antibacterial coating layer comprise polyurethane acrylate and an antibacterial material; the raw materials for preparing the antibacterial material comprise graphene oxide, nano silver, zinc oxide and titanium dioxide; the thickness of the antibacterial coating is 1-100 mu m. The antibacterial garment fabric has the functions of efficiently adsorbing and removing bacteria and viruses, and can greatly reduce secondary diffusion and pollution of bacteria and viruses to the environment in the links of abandonment and recovery.)

1. An antibacterial garment fabric is characterized in that: the antibacterial polyester fiber fabric comprises polyester fibers, wherein an antibacterial coating layer is arranged on the surface of each polyester fiber; the raw materials for preparing the antibacterial coating comprise urethane acrylate and an antibacterial material;

the raw materials for preparing the antibacterial material comprise graphene oxide, nano silver, zinc oxide and titanium dioxide;

the thickness of the antibacterial coating layer is 1-100 mu m.

2. The antibacterial garment fabric according to claim 1, characterized in that: the antibacterial material comprises the following preparation raw materials in parts by weight: 50-100 parts of graphene oxide, 5-10 parts of nano-silver, 10-15 parts of zinc oxide and 20-30 parts of titanium dioxide.

3. The antibacterial garment fabric according to claim 2, characterized in that: the preparation method of the antibacterial material comprises the following steps:

s1, dispersing the titanium dioxide and the zinc oxide in water to prepare titanium dioxide dispersion liquid; then adding silver salt and reducing agent into the titanium dioxide dispersion liquid in sequence for reaction, carrying out solid-liquid separation, and collecting a solid phase to prepare inorganic nano particles;

s2, dispersing the inorganic nano particles obtained in the step S1 into ammonia water, adding a silane coupling agent for reaction, carrying out solid-liquid separation, and collecting a solid phase to obtain modified inorganic nano particles;

s3, adding the modified inorganic nanoparticles obtained in the step S2 into a dispersion liquid of graphene oxide for reaction, carrying out solid-liquid separation, and collecting a solid phase to obtain the antibacterial material;

wherein the silver salt and the reducing agent react to obtain the nano silver.

4. The antibacterial garment fabric according to claim 3, characterized in that: the silver salt is silver nitrate; preferably, the reducing agent is hydrazine hydrate; preferably, the molar ratio of the silver salt to the reducing agent is 1: 0.1 to 1.2.

5. The antibacterial garment fabric according to claim 3, characterized in that: the reaction time in the step S1 is 0.5 h-2 h; preferably, the molar concentration of the ammonia water is 1-10 mol/L; preferably, the mass ratio of the silane coupling agent to the titanium dioxide is 1: 2-10; preferably, the temperature of the reaction in step S2 is 80 ℃ to 90 ℃; preferably, the reaction time in the step S2 is 1-10 h; preferably, the mass concentration of the graphene oxide in the graphene oxide dispersion liquid is 0.5 mg/mL-10 mg/mL; preferably, the temperature of the reaction in step S3 is 50 ℃ to 70 ℃; preferably, the reaction time in step S3 is 2h to 5 h.

6. The antibacterial garment fabric according to claim 1, characterized in that: the antibacterial coating also comprises the following preparation raw materials: isocyanate curing agent, photoinitiator, thickener and flatting agent; preferably, the antibacterial coating comprises the following preparation raw materials in parts by weight: 20-50 parts of urethane acrylate; 10 to 15 portions of antibacterial material, 2 to 5 portions of isocyanate curing agent, 0.5 to 2 portions of photoinitiator, 0.5 to 1.5 portions of thickener and 0.1 to 0.5 portion of flatting agent.

7. A method of making an antimicrobial garment shell fabric according to any one of claims 1 to 6, wherein: the method comprises the following steps: and coating the antibacterial coating on the surface of the polyester fiber, curing after coating, washing, finishing and shaping.

8. A method according to claim 7, characterized by: the curing energy is 380mj/cm²～420mj/cm²。

9. A method according to claim 7, characterized by: the water washing is carried out in a water washing agent; the water washing agent is prepared from the following raw materials in percentage by mass: 5 to 10 percent of detergent, 3 to 4 percent of softening agent and the balance of water; preferably, the temperature of the water washing is 30-40 ℃; preferably, the time of the water washing is 20min to 30 min.

10. A method according to claim 7, characterized by: the finishing is carried out in a finish; the finish comprises a fluorine-containing finish.

Technical Field

The invention belongs to the technical field of garment materials, and particularly relates to an antibacterial garment fabric and a preparation method thereof.

Background

The textile has a micropore structure, so that the body temperature of a wearer, moisture emitted by a human body, skin metabolites and the like provide a proper growing environment for microorganisms, and the textile becomes a hotbed which is most suitable for breeding and propagating the microorganisms such as bacteria, fungi and the like. The bacteria on the textile not only can change the color, mildew, embrittle and degrade the fiber products, but also can cause abnormal stimulation to the skin of the human body and induce various skin diseases, thereby affecting the health of the human body.

The production of textiles with antimicrobial properties is one of the effective ways to protect people from or reduce bacterial attack, and textiles with antimicrobial properties are therefore becoming more and more popular.

In the related technology, most of the antibacterial fabric is made of organic or inorganic antibacterial materials, and finished fabrics are subjected to dip-dyeing processing by using antibacterial agents, so that the fabrics have antibacterial performance.

Therefore, it is required to develop an antibacterial garment fabric which has good antibacterial performance and good antibacterial durability.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides an antibacterial garment fabric which is good in antibacterial performance and antibacterial durability.

The invention also provides a preparation method of the antibacterial garment fabric.

The invention provides an antibacterial garment fabric, which comprises polyester fibers, wherein an antibacterial coating layer is arranged on the surface of each polyester fiber; the raw materials for preparing the antibacterial coating comprise a polymer and an antibacterial material;

the raw materials for preparing the antibacterial material comprise graphene oxide, nano silver, zinc oxide and titanium dioxide;

the polymer comprises a urethane acrylate;

the thickness of the antibacterial coating layer is 1-100 mu m.

According to the invention, the graphene antibacterial coating is coated on the surface of the polyester fiber, and the active antibacterial ingredients such as graphene, nano-silver, zinc oxide and titanium dioxide are fixed in the polymer, so that the adhesive force between the graphene and the polyester fiber is improved, the active antibacterial ingredients are fixed on the surface of the fiber, and the antibacterial durability of the fabric is greatly improved.

According to some embodiments of the present invention, the antibacterial material comprises the following preparation raw materials in parts by weight: 50-100 parts of graphene oxide, 5-10 parts of nano-silver, 10-15 parts of zinc oxide and 20-30 parts of titanium dioxide.

According to some embodiments of the present invention, the method for preparing the antibacterial material comprises the steps of:

s1, dispersing the titanium dioxide and the zinc oxide in water to prepare titanium dioxide dispersion liquid; then adding silver salt and reducing agent into the titanium dioxide dispersion liquid in sequence for reaction, carrying out solid-liquid separation, and collecting a solid phase to prepare inorganic nano particles;

s2, dispersing the inorganic nano particles obtained in the step S1 into ammonia water, adding a silane coupling agent for reaction, carrying out solid-liquid separation, and collecting a solid phase to obtain modified inorganic nano particles;

s3, adding the modified inorganic nanoparticles obtained in the step S2 into a dispersion liquid of graphene oxide for reaction, carrying out solid-liquid separation, and collecting a solid phase to obtain the antibacterial material;

wherein the silver salt and the reducing agent react to obtain the nano silver.

Modifying the surfaces of titanium dioxide and zinc oxide by using a silane coupling agent and ammonia water, and connecting the titanium dioxide, the zinc oxide and the graphene material by using chemical bonds, so that the titanium dioxide, the zinc oxide and the nano silver are stably connected with the graphene material; thereby avoiding the loss of the antibacterial active ingredients during the washing process.

Meanwhile, after the titanium dioxide reacts with the silane coupling agent, the surface hydrophobic effect is enhanced, and the influence on antibacterial active ingredients in the washing process is further inhibited.

According to some embodiments of the invention, the silver salt is silver nitrate.

According to some embodiments of the invention, the reducing agent is hydrazine hydrate.

According to some embodiments of the invention, the molar ratio of the silver salt to the reducing agent is 1: 0.1 to 1.2.

According to some embodiments of the invention, the reaction time in step S1 is 0.5h to 2 h.

According to some embodiments of the invention, the ammonia has a molar concentration of 1mol/L to 10 mol/L.

According to some embodiments of the invention, the mass ratio of the silane coupling agent to the titanium dioxide is 1:2 to 10.

According to some embodiments of the invention, the temperature of the reaction in step S2 is between 80 ℃ and 90 ℃.

According to some embodiments of the invention, the reaction time in step S2 is 1h to 10 h.

According to some embodiments of the invention, the graphene oxide dispersion has a graphene oxide mass concentration of 0.5mg/mL to 10 mg/mL.

According to some embodiments of the invention, the temperature of the reaction in step S3 is between 50 ℃ and 70 ℃.

According to some embodiments of the invention, the reaction time in step S3 is 2h to 5 h.

According to some embodiments of the present invention, the antibacterial coating comprises the following preparation raw materials in parts by weight: the antibacterial coating also comprises the following preparation raw materials: isocyanate curing agent, photoinitiator and leveling agent.

According to some embodiments of the present invention, the antibacterial coating comprises the following preparation raw materials in parts by weight: 20-50 parts of urethane acrylate; 10 to 15 parts of antibacterial material, 2 to 5 parts of isocyanate curing agent, 0.5 to 2 parts of photoinitiator and 0.1 to 0.5 part of flatting agent.

According to some embodiments of the invention, the photoinitiator is a ketone photoinitiator.

According to some embodiments of the invention, the photoinitiator is 1-hydroxy-cyclohexyl-benzophenone.

According to some embodiments of the invention, the leveling agent is a silicone surface adjuvant.

According to some embodiments of the invention, the isocyanate curing agent comprises at least one of an aromatic isocyanate, an aliphatic isocyanate, and an alicyclic isocyanate.

The invention provides a method for preparing the antibacterial garment fabric, which comprises the following steps: and coating the antibacterial coating on the surface of the polyester fiber, curing after coating, washing, finishing and shaping.

In the preparation process, a functional polymer film is formed on the surface of the fabric through the finishing agent, so that the fabric has good water-proof and oil-proof effects, is not easy to stain solid dirt, and can be easily washed in water after the fabric is stained.

According to some embodiments of the invention, the energy of the curing is 180mj/cm²～420mj/cm²。

According to some embodiments of the invention, the curing time is 1min to 60 min.

According to some embodiments of the invention, the water washing is performed in a water washing agent; the water washing agent is prepared from the following raw materials in percentage by mass: 5 to 10 percent of detergent, 3 to 4 percent of softening agent and the balance of water.

According to some embodiments of the invention, the temperature of the water wash is between 30 ℃ and 40 ℃.

According to some embodiments of the invention, the time of the water washing is 20min to 30 min.

According to some embodiments of the invention, the finishing is performed in a finish; the finish comprises a fluorine-containing finish.

The fluorine-containing finishing agent forms a layer of functional polymer film on the surface of the garment material, has good waterproof and oil-proof effects, is not easy to stain solid dirt, and can be easily washed and removed in water after the garment material is stained.

According to at least one embodiment of the present invention, the following advantageous effects are provided:

the antibacterial garment fabric adopts nano silver, graphene, zinc oxide and titanium dioxide as antibacterial active components, wherein silver ions interfere with the metabolic process of microorganisms, so that the antibacterial garment fabric can inhibit the activity, growth and reproduction of the microorganisms, and further has the effects of sterilizing and inhibiting viruses; the titanium dioxide has photocatalysis effect, can generate strong oxidizing substances under illumination, and the strong oxidizing substances can inactivate harmful organisms and decompose almost all organic substances and partial inorganic substances harmful to human bodies or environment, so that the titanium dioxide has the functions of resisting bacteria, degrading organic substances, purifying air and self-cleaning; the graphene has strong adsorption and decomposition forces, bacteria and viruses can be effectively adsorbed, meanwhile, cells of the bacteria cannot grow on the graphene, human cells cannot be damaged, and the antibacterial effect is also achieved; under the synergistic effect of silver ions, titanium dioxide and graphene, the antibacterial and bactericidal composite material can effectively inhibit bacteria and kill peculiar smell. The antibacterial garment fabric has the functions of efficiently adsorbing and removing bacteria and viruses, and can greatly reduce secondary diffusion and pollution of bacteria and viruses to the environment in the links of abandonment and recovery.

Detailed Description

The concept and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments to fully understand the objects, features and effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention.

In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Specific examples of the present invention are described in detail below.

Example 1

The embodiment is an antibacterial garment fabric and a preparation method thereof.

The antibacterial garment fabric comprises the following preparation raw materials:

the antibacterial garment fabric comprises polyester fibers, wherein an antibacterial coating layer is coated on the surfaces of the polyester fibers;

the raw materials for preparing the antibacterial coating layer comprise 50 parts of polyurethane acrylate (NeoRad U-25-20D of Dismann corporation); 10 parts of antibacterial material, 5 parts of isocyanate curing agent (HDI), 2 parts of photoinitiator (184 of Tianjin Jiu Xin material company) and 0.5 part of leveling agent (BYK-333 of Bike company).

The preparation raw materials of the antibacterial material in the embodiment comprise: 100 parts of graphene oxide, 10 parts of nano-silver, 10 parts of zinc oxide (CAS number: 1314-13-2) and 20 parts of titanium dioxide (P25).

The preparation method of the antibacterial material in the embodiment comprises the following steps:

s1, dispersing titanium dioxide (P25 and 20 parts) in water to prepare titanium dioxide dispersion liquid; then adding silver salt (silver nitrate, 15 parts (the molar mass of the silver nitrate is 170g/mol, the molar mass of the simple substance silver is 108g/mol)) and a reducing agent (the molar ratio of hydrazine hydrate to the silver salt is 1:0.3) into the titanium dioxide dispersion liquid in sequence for reaction for 1h, carrying out solid-liquid separation, collecting a solid phase, and preparing nano silver/titanium dioxide particles (the particle size of the nano silver is);

s2, dispersing the nano silver/titanium dioxide particles obtained in the step S1 into ammonia water (1mol/L, 500 parts), adding a silane coupling agent (KH550, 5 parts) to react at 90 ℃ for 1 hour, carrying out solid-liquid separation, and collecting a solid phase to obtain modified nano silver/titanium dioxide particles;

s3, adding the modified nano silver/titanium dioxide particles obtained in the step S2 into graphene oxide dispersion liquid (0.5mg/mL, the weight portion of the graphene oxide is 100 parts), reacting for 4 hours at 90 ℃, carrying out solid-liquid separation, and collecting a solid phase to obtain the antibacterial material.

The preparation method of the waterproof game clothing fabric comprises the following steps:

s1, coating an antibacterial coating layer on the surface of the polyester filament yarn, and leveling and curing (the leveling time is 1min, the leveling temperature is 50 ℃, and the curing energy is 220mj/cm²) At the leveling time: 1min, leveling temperature: 50 ℃; the thickness of the coating layer is 25 μm;

s3, adding a detergent (6501) 5% and a softener (SOFINOLTSUBAKI) 4% to wash the woven fabric with water for 20min, wherein the water temperature is controlled at 40 ℃;

s4, adding a finishing agent (Texnology-560, fluorine-containing three-proofing finishing agent) to padding the fabric processed in the step S3 for 30min, then baking at 100 ℃, and finally shaping to obtain the waterproof game clothing fabric.

Example 2

The embodiment is an antibacterial garment fabric and a preparation method thereof, and the difference from the embodiment 1 is that: the antibacterial coating is different in parts by weight of each component.

The raw materials for preparing the antibacterial coating comprise 40 parts of urethane acrylate (NeoRad U-25-20D of Dismann company); 10 parts of antibacterial material, 4 parts of isocyanate curing agent (HDI), 2 parts of photoinitiator (184 of Tianjin Jiu Xin material company) and 0.4 part of leveling agent (BYK-333 of Bike company).

Example 3

The embodiment is an antibacterial garment fabric and a preparation method thereof, and the difference from the embodiment 1 is that:

the antibacterial coating is different in parts by weight of each component.

The raw materials for preparing the antibacterial coating comprise 40 parts of urethane acrylate (NeoRad U-25-20D of Dismann company); 15 parts of antibacterial material, 5 parts of isocyanate curing agent (HDI), 2 parts of photoinitiator (184 of Tianjin Jiu Xin material company) and 0.4 part of leveling agent (BYK-333 of Bike company).

Comparative example 1

The embodiment is an antibacterial garment fabric and a preparation method thereof, and the difference from the embodiment 1 is that: graphene oxide was not added.

Comparative example 2

The embodiment is an antibacterial garment fabric and a preparation method thereof, and the difference from the embodiment 1 is that: no titanium dioxide was added.

Comparative example 3

The embodiment is an antibacterial garment fabric and a preparation method thereof, and the difference from the embodiment 1 is that: no zinc oxide was added.

According to GB/T20944.3-2008 "evaluation of textile-antibacterial properties part three: the product is tested for antibacterial performance by the oscillation method.

And (3) testing the bacterium resistance and durability: after standard washing for 100 times, the antibacterial performance test is carried out.

The test method comprises the following steps: GB/T20944.3-2008' evaluation of textile-antibacterial properties part III: shaking method, sterilization method: sterilizing with high pressure steam; oscillating liquid: 0.03mol/L phosphate buffer; contact temperature: 24 +/-1 ℃ of temperature; the contact time is 18 hours; testing strains: e.coli; initial concentration: 2.5 × 104 CFU/ML; and (3) testing a sample: 0.75 g.

TABLE 1 results of performance test of the waterproof gaming clothing fabrics prepared in examples 1 to 3 and comparative examples 1 to 3

	Antibacterial property	Antibacterial durability
			Example 1	99.9％	95.4％
Example 2	99.9％	96.7％
			Example 3	99.9％	94.3％
Comparative example 1	97.5％	80.4％
			Comparative example 2	96.3％	83.2％
Comparative example 3	95.3％	78.1％

As can be seen from Table 1, the garment materials of examples 1-3 of the present application have excellent antibacterial performance and antibacterial durability.

In conclusion, the antibacterial garment fabric provided by the invention adopts nano silver, graphene and titanium dioxide as antibacterial active components, wherein silver ions interfere with the metabolic process of microorganisms, so that the effects of inhibiting the activity, growth and reproduction of the microorganisms can be achieved, and further the antibacterial garment fabric has the effects of sterilizing and inhibiting viruses; the titanium dioxide has photocatalysis effect, can generate strong oxidizing substances under illumination, and the strong oxidizing substances can inactivate harmful organisms and decompose almost all organic substances and partial inorganic substances harmful to human bodies or environment, so that the titanium dioxide has the functions of resisting bacteria, degrading organic substances, purifying air and self-cleaning; the graphene has strong adsorption and decomposition forces, bacteria and viruses can be effectively adsorbed, meanwhile, cells of the bacteria cannot grow on the graphene, human cells cannot be damaged, and the antibacterial effect is also achieved; under the synergistic effect of silver ions, titanium dioxide and graphene, the antibacterial and bactericidal composite material can effectively inhibit bacteria and kill peculiar smell. The antibacterial garment fabric has the functions of efficiently adsorbing and removing bacteria and viruses, and can greatly reduce secondary diffusion and pollution of bacteria and viruses to the environment in the links of abandonment and recovery.

While the embodiments of the present invention have been described in detail with reference to the specific embodiments, the present invention is not limited to the embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.