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CN-121610984-B - Fabric with cool feeling and antibacterial function and preparation method thereof

CN121610984BCN 121610984 BCN121610984 BCN 121610984BCN-121610984-B

Abstract

The invention discloses a fabric with cool feeling and antibacterial function and a preparation method thereof, belonging to the field of functional textile preparation. The preparation method of the antibacterial multifunctional material comprises the steps of S1, dispersing polystyrene microspheres in buffer solution containing dopamine and boron nitride nano sheets to obtain dispersion liquid, coating the surfaces of the polystyrene microspheres with polydopamine and boron nitride nano sheets through oscillation treatment to form a precursor, S2, mixing the precursor with metal salt, carrying out hydrothermal treatment under an alkaline condition, and drying to obtain a composite material loaded with layered double hydroxide, and S3, calcining the composite material under a protective atmosphere to decompose organic matters and form a hollow structure. By adopting the antibacterial multifunctional material provided by the invention, the fabric is subjected to after-treatment, so that the fabric has good antibacterial performance and simultaneously has a cool and comfortable multifunctional experience.

Inventors

  • MEI LING
  • Lv Weiyang
  • YAO YUYUAN

Assignees

  • 安正时尚集团股份有限公司

Dates

Publication Date
20260512
Application Date
20260202

Claims (9)

  1. 1. The fabric with cool feeling and antibacterial function is characterized by being formed by fabric through after-finishing, wherein working solution adopted by the after-finishing comprises an adhesive and a functional finishing agent, the functional finishing agent is an antibacterial multifunctional material, and the preparation method of the antibacterial multifunctional material comprises the following steps: S1, dispersing polystyrene microspheres in a buffer solution containing dopamine and boron nitride nano-sheets to obtain a dispersion solution, and coating the surfaces of the polystyrene microspheres with polydopamine and boron nitride nano-sheets through oscillation treatment to form a precursor; S2, mixing the precursor with metal salt, performing hydrothermal treatment under alkaline conditions, and drying to obtain a composite material of the supported layered double hydroxide, wherein the metal salt comprises soluble divalent metal salt and soluble trivalent metal salt, divalent metal ions in the soluble divalent metal salt are one or two of Cu 2+ 、Ni 2+ 、Zn 2+ 、Fe 2+ 、Mg 2+ , and trivalent metal ions in the soluble trivalent metal salt are one or two of Ti 3+ 、Fe 3+ 、Al 3+ 、Ni 3+ 、Cr 3+ ; And S3, calcining the composite material in a protective atmosphere to decompose organic matters and form a hollow structure, thereby obtaining the antibacterial multifunctional material.
  2. 2. The fabric with cool feeling and antibacterial function according to claim 1, wherein in the step S1 of the preparation method of the antibacterial multifunctional material, the polystyrene microsphere is prepared by mixing polyvinylpyrrolidone, 2' -azobisisobutylamidine dihydrochloride and styrene monomer in water, then heating for reaction, and separating to obtain the polystyrene microsphere; the concentration of polyvinylpyrrolidone is 75-600 mu M, and the concentration of azodiisobutylamidine dihydrochloride is 1.2-38 mM.
  3. 3. The fabric with cool feeling and antibacterial function according to claim 1, wherein in the step S1 of the preparation method of the antibacterial multifunctional material, the concentration of polystyrene microspheres in the dispersion liquid is 1-3 g/L, the concentration of dopamine is 0.2-5 g/L, and the concentration of boron nitride nano-sheets is 7-10 g/L; The buffer solution is Tris buffer solution or carbonate buffer solution.
  4. 4. The fabric with cool feeling and antibacterial function according to claim 1, wherein in the step S2 of the preparation method of the antibacterial multifunctional material, anions in the soluble divalent metal salt and the soluble trivalent metal salt are respectively one of Cl - 、NO 3 - 、CO 3 2- 、SO 4 2- .
  5. 5. The fabric with cool feeling and antibacterial function according to claim 1, wherein in the step S2 of the preparation method of the antibacterial multifunctional material, the alkaline condition is realized by adopting sodium hydroxide and/or ammonia water, the addition amount of the precursor is 1-5 g/L, and the temperature of the hydrothermal treatment is 95-110 ℃.
  6. 6. The fabric with cool feeling and antibacterial function according to any one of claims 1 to 5, wherein in step S3 of the preparation method of the antibacterial multifunctional material, calcining the composite material comprises heating to 350 to 450 ℃ at a speed of 1 to 5 ℃ per minute for 3 to 5 hours, and then heating to 550 to 650 ℃ at a speed of 1 to 3 ℃ per minute for 2 to 4 hours.
  7. 7. The fabric with cool feeling and antibacterial function according to claim 1, wherein the adhesive is aqueous acrylic acid, and the fabric is terylene and/or cotton fiber fabric.
  8. 8. The method for preparing the fabric with cool feeling and antibacterial function as set forth in claim 1, comprising: Dispersing a functional finishing agent in a solution containing a binder to obtain a suspension; and placing the fabric in the suspension, carrying out oscillation treatment, and then drying to obtain the fabric with cool feeling and antibacterial function.
  9. 9. The preparation method of the fabric with the cool feeling and the antibacterial function according to claim 8 is characterized in that the concentration of the functional finishing agent and the concentration of the adhesive in suspension are respectively 1-3 g/L, the fabric is a clean fabric which is soaked, washed and dried by water and ethanol in sequence, the temperature of the vibration treatment is 20-50 ℃, and the vibration speed is 100-300r/min.

Description

Fabric with cool feeling and antibacterial function and preparation method thereof Technical Field The invention belongs to the field of functional textile preparation, and relates to a preparation method of an antibacterial multifunctional material, a fabric with cool feeling and antibacterial function and a preparation method thereof. Background With the remarkable improvement of human life quality and the increasing health and safety consciousness, the importance of the antibacterial fabric textile is becoming more and more remarkable. They play a vital role in inhibiting the growth of harmful microorganisms and guaranteeing the health of human bodies. Meanwhile, the application field of the antibacterial fabric is continuously expanded, and the antibacterial fabric is extended to various aspects of home textiles, vehicle interiors, public space facilities, personal care products and the like from the original medical protection and sanitary articles. Therefore, how to effectively realize excellent antibacterial performance of textile fabrics has become a core problem of industry attention. Current methods of imparting antimicrobial properties to the facing include the use of melt spinning, finishing, lamination processes, and the like. The after-finishing is used as a widely applied method, and an antibacterial agent can be introduced into the surface or the inside of the fabric in a chemical treatment or coating mode under the condition of not changing the basic textile process of the fabric, so that the antibacterial performance of the fabric is improved. The treatment mode has the advantages of high operation flexibility, wide application range, relatively low cost and the like, and the type and the dosage of the antibacterial agent can be adjusted according to specific application requirements so as to achieve ideal antibacterial effect. In addition, the antibacterial after-finishing treatment mode can provide additional functional protection while maintaining the original style and comfort of the fabric, and is particularly suitable for products with special requirements on the use scene of the fabric. In the prior art, chinese patent literature with the bulletin number of CN 206814953U discloses a silk-hemp silver ion antibacterial fabric. The fabric is formed by weaving silver ion acrylic yarns and silk/apocynum blended yarns, so that the functions of antibiosis, sterilization and ultraviolet resistance of the fabric are realized. However, silver is a noble metal, and silver ions are lost in the use process, so that the durability of the silver is greatly reduced, and the silver is not suitable for mass production and large-scale application. Disclosure of Invention Aiming at the defects of the prior art, the invention aims to provide a preparation method of an antibacterial multifunctional material, a fabric with cool feeling and antibacterial function and a preparation method thereof, by adopting the antibacterial multifunctional material provided by the invention, the fabric is subjected to after-treatment, so that the fabric has good antibacterial performance and simultaneously has a cool and comfortable multifunctional experience. The invention provides a preparation method of an antibacterial multifunctional material, which comprises the following steps: S1, dispersing polystyrene microspheres in a buffer solution containing dopamine and boron nitride nano-sheets to obtain a dispersion solution, and coating the surfaces of the polystyrene microspheres with polydopamine and boron nitride nano-sheets through oscillation treatment to form a precursor; S2, mixing the precursor with metal salt, performing hydrothermal treatment under alkaline conditions, and drying to obtain a composite material of the supported layered double hydroxide, wherein the metal salt comprises soluble divalent metal salt and soluble trivalent metal salt; And S3, calcining the composite material in a protective atmosphere to decompose organic matters and form a hollow structure, thereby obtaining the antibacterial multifunctional material. In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme that firstly, an antibacterial multifunctional material is prepared, specifically, polystyrene microspheres (PS microspheres) can be prepared, the obtained PS microspheres, layered double metal hydroxide, boron Nitride (BN) and the like are combined, so that the boron nitride and the layered double metal hydroxide are wrapped on the PS microspheres (the process corresponds to the step S1 to form a precursor and the step S2 to obtain a composite material), and then the microspheres are decomposed by a calcination method, and hollow boron nitride and the layered double metal oxide are left (the process corresponds to the step S3). After that, the obtained antibacterial multifunctional material is mainly subjected to after-finishing application on the fabric. As a preferable mode