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Antibacterial and anti-ultraviolet fabric spraying agent and preparation method, fabric and preparation method

An anti-ultraviolet and spraying agent technology, which is applied in the preparation of fabrics and fabrics, fabric spraying agents, and antibacterial and anti-ultraviolet fabric spraying agents. It can solve problems such as loss of function, improve absorption rate, prevent ultraviolet rays, and be easy to photodecompose Effect

Active Publication Date: 2021-10-29
上海威露佳新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problem with the above method is that only the nano titanium dioxide on the surface participates in the photocatalysis, and the titanium dioxide particles coated inside the fiber are isolated from oxygen and water molecules, and the function is lost

Method used

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  • Antibacterial and anti-ultraviolet fabric spraying agent and preparation method, fabric and preparation method
  • Antibacterial and anti-ultraviolet fabric spraying agent and preparation method, fabric and preparation method
  • Antibacterial and anti-ultraviolet fabric spraying agent and preparation method, fabric and preparation method

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preparation example Construction

[0033] Such as figure 1 Shown, the preparation method of a kind of antibacterial anti-ultraviolet fabric spraying agent in the present embodiment comprises following preparation steps:

[0034] S101) Soak the nano-titanium dioxide in the alkaline solution, stir, and after 24-48h, filter, wash, and dry to obtain pretreated nano-titanium dioxide;

[0035] S102) adding sodium copper chlorophyllin and pretreated nano-titanium dioxide into water, stirring at 50-60° C. for 24-48 hours, filtering and drying to obtain nano-titanium dioxide loaded with chlorophyll;

[0036] S103) adding nano-titanium dioxide loaded with chlorophyll to the silane coupling agent solution to obtain silane-modified nano-titanium dioxide;

[0037] S104) Mixing silane-modified nano-titanium dioxide, phenyl salicylate, sodium chloride, sodium polyacrylate, film-forming aid, dispersant, sodium stearate, and water-based polyurethane to prepare a fabric spraying agent.

[0038] In some embodiments, it also inc...

Embodiment 1

[0054] Preparation steps of fabric spraying agent:

[0055] Soak nano-titanium dioxide in 0.1mol / L sodium hydroxide solution, stir, and after 24 hours, filter, wash, and dry to obtain pretreated nano-titanium dioxide; wherein, the particle size of nano-titanium dioxide is 8-10nm;

[0056] Add copper chlorophyllin sodium salt and pretreated nano-titanium dioxide into water, the mass ratio of copper chlorophyllin sodium salt and pretreated nano-titanium dioxide is 0.1:5; stir at 50-60°C for 24-48h, filter and dry to obtain loaded Nano titanium dioxide with chlorophyll;

[0057] Adding nano-titanium dioxide loaded with chlorophyll to a silane coupling agent solution with a mass concentration of 2% to obtain silane-modified nano-titanium dioxide;

[0058] According to parts by weight, 10 parts of silane-modified nano titanium dioxide, 10 parts of phenyl salicylate, 5 parts of sodium chloride, 5 parts of sodium polyacrylate, 5 parts of diethylene glycol monomethyl ether, 20 parts ...

Embodiment 2

[0067] Preparation steps of fabric spraying agent:

[0068] Soak nano-titanium dioxide in 0.4mol / L sodium hydroxide solution, stir, filter, wash, and dry to obtain pretreated nano-titanium dioxide; wherein, the particle size of nano-titanium dioxide is 8-10nm;

[0069] Add sodium copper chlorophyllin and pretreated nano-titanium dioxide into water, the mass ratio of copper chlorophyllin sodium and pretreated nano-titanium dioxide is 1:5; stir at 60°C for 48 hours, filter and dry to obtain nano-sized chlorophyll-loaded Titanium dioxide;

[0070] 3) adding chlorophyll-loaded nano-titanium dioxide to a 5% silane coupling agent solution to obtain silane-modified nano-titanium dioxide;

[0071] According to parts by weight, 15 parts of silane-modified nano titanium dioxide, 15 parts of phenyl salicylate, 10 parts of sodium chloride, 10 parts of sodium polyacrylate, 10 parts of ethylene glycol monomethyl ether, 25 parts of ethanol, 3 parts - Mix 5 parts of sodium stearate and 3-5 ...

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Abstract

The invention relates to an antibacterial and anti-ultraviolet fabric spraying agent, a preparation method thereof, a fabric and a fabric preparation method. The object of the present invention is to provide a preparation method of an antibacterial and anti-ultraviolet fabric spraying agent, fabric spraying agent, fabric and fabric preparation method, to solve the problem of adding nano-titanium dioxide particles in the molten state of chemical fibers in the prior art and mixing them, stretching and cooling Made of textile fibers loaded with nano-titanium dioxide particles, only the nano-titanium dioxide on the surface participates in photocatalysis, and the titanium dioxide particles coated inside the fiber are isolated from oxygen and water molecules, and the function is lost. Through the preparation of antibacterial and anti-ultraviolet fabric spraying agent The fabric spraying agent prepared by the method can attach all the mixed nano-titanium dioxide to the surface of the fabric, and has antibacterial, bactericidal and purifying effects.

Description

technical field [0001] The invention relates to the technical field of fabric spraying agents, in particular to a preparation method of an antibacterial and anti-ultraviolet fabric spraying agent, a fabric spraying agent, a fabric and a fabric preparation method. Background technique [0002] Nano-titanium dioxide is a new type of inorganic functional material, which is widely used in the fields of shielding ultraviolet rays, color-dependent coatings, photoelectric conversion, and photocatalysis. Titanium dioxide is an N-type semiconductor. When ultraviolet light with a wavelength of less than 400nm irradiates titanium dioxide, electrons in the valence band can absorb ultraviolet light and be excited to the conduction band, while generating electron-hole pairs, and some electron-hole pairs will migrate. to the surface, resulting in hydroxyl radicals and adsorbed water on the surface of titanium dioxide to generate hydroxyl radicals, which have a strong oxidizing ability and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06N3/14D06N3/04D06N3/00D06C7/02
CPCD06C7/02D06N3/0015D06N3/0061D06N3/0063D06N3/009D06N3/042D06N3/14D06N2201/042D06N2201/045D06N2209/165D06N2209/1671D06N2209/1678D06N2211/14
Inventor 刘慧香谢玉青张宜斐
Owner 上海威露佳新材料科技有限公司