阅读说明：本技术 一种光触媒产品及其制备方法 (Photocatalyst product and preparation method thereof ) 是由 李照 于 2019-09-25 设计创作，主要内容包括：本发明提供了一种光触媒产品的制备方法,包括：将纳米二氧化钛、贵金属和水混合,得到混合液；将所述混合液进行离心分离,得到光触媒液；将所述光触媒液喷涂在纤维面料产品表面后进行紫外光照射,得到光触媒产品。本发明还提供了一种上述技术方案所述的方法制备得到的光触媒产品。本发明提供的光触媒产品具有良好的抗菌杀菌、无异味、防辐射、可长时间免洗的效果。(The invention provides a preparation method of a photocatalyst product, which comprises the following steps: mixing nano titanium dioxide, noble metal and water to obtain a mixed solution; carrying out centrifugal separation on the mixed solution to obtain a photocatalyst solution; and spraying the photocatalyst liquid on the surface of a fiber fabric product, and then irradiating by ultraviolet light to obtain a photocatalyst product. The invention also provides a photocatalyst product prepared by the method of the technical scheme. The photocatalyst product provided by the invention has good effects of antibiosis, sterilization, no peculiar smell, radiation protection and long-time washing-free.)

1. A method for preparing a photocatalyst product comprises the following steps:

mixing nano titanium dioxide, noble metal and water to obtain a mixed solution;

carrying out centrifugal separation on the mixed solution to obtain a photocatalyst solution;

and spraying the photocatalyst liquid on the surface of a fiber fabric product, and then irradiating by ultraviolet light to obtain a photocatalyst product.

2. The method according to claim 1, wherein the nano titanium dioxide has a particle size of 8 to 10 nm.

3. The method of claim 1, wherein the noble metal is selected from one or more of platinum, rhodium and palladium.

4. The method according to claim 1, wherein the nano titanium dioxide is contained in the mixed solution in an amount of 0.01 to 99% by mass.

5. The method according to claim 1, wherein the noble metal is contained in the mixed solution in an amount of 0.01 to 60% by mass.

6. The method according to claim 1, wherein the rotation speed during the centrifugal separation process is 800 to 1800 r/min.

7. The method of claim 1, wherein the thickness of the spray coating is 4 to 8 microns.

8. The method according to claim 1, wherein the ultraviolet light is irradiated for 12 to 17 minutes.

9. The method according to claim 1, wherein the fibrous web product is selected from gloves, masks, handkerchiefs or socks.

10. A photocatalyst product prepared by the method of claim 1.

Technical Field

The invention relates to the technical field of photocatalyst, in particular to a photocatalyst product and a preparation method thereof.

Background

The fabric products belong to articles commonly used in life, such as clothes, gloves, socks, masks and the like, and have various styles, types and shapes, but the common fabric products only have basic wearing functions, have single functions and lack special use functions. Therefore, the prior art needs to be reasonably improved to have special functions of degrading toxic and harmful gases in the air, sterilizing and the like.

Disclosure of Invention

In view of the above, the present invention is directed to a photocatalyst product and a preparation method thereof, and the photocatalyst product provided by the present invention has good effects of antibacterial, sterilization, no odor, radiation protection, and long-term washing-free.

The invention provides a preparation method of a photocatalyst product, which comprises the following steps:

mixing nano titanium dioxide, noble metal and water to obtain a mixed solution;

carrying out centrifugal separation on the mixed solution to obtain a photocatalyst solution;

and spraying the photocatalyst liquid on the surface of a fiber fabric product, and then irradiating by ultraviolet light to obtain a photocatalyst product.

Preferably, the particle size of the nano titanium dioxide is 8-10 nm.

Preferably, the noble metal is selected from one or more of platinum, rhodium and palladium.

Preferably, the mass content of the nano titanium dioxide in the mixed solution is 0.01-99%.

Preferably, the mass content of the noble metal in the mixed solution is 0.01-60%.

Preferably, the rotating speed in the centrifugal separation process is 800-1800 r/min.

Preferably, the thickness of the spraying is 4-8 microns.

Preferably, the time of the ultraviolet irradiation is 12-17 minutes.

Preferably, the fibrous web product is selected from gloves, masks, handkerchiefs or socks.

The invention provides a photocatalyst product prepared by the method of the technical scheme.

The invention prepares the photocatalyst raw liquid with special formula and produces the photocatalyst product with the functions of antibiosis, sterilization, peculiar smell decomposition, ultraviolet radiation prevention and the like through a special process flow.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a diagram illustrating the odor removal detection effect of the photocatalyst glove prepared in example 1 of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a preparation method of a photocatalyst product, which comprises the following steps:

mixing nano titanium dioxide, noble metal and water to obtain a mixed solution;

carrying out centrifugal separation on the mixed solution to obtain a photocatalyst solution;

and spraying the photocatalyst liquid on the surface of a fiber fabric product, and then irradiating by ultraviolet light to obtain a photocatalyst product.

In the invention, the particle size of the nano titanium dioxide is preferably 8-10 nm.

In the present invention, the preparation method of the nano titanium dioxide preferably comprises:

the nano rutile titanium dioxide is prepared by using titanium liquid as a raw material, rutile titanium dioxide crystals as an accelerant, sodium dodecyl sulfate as a surfactant and urea as a precipitator.

In the present invention, the preparation method of the nano titanium dioxide is preferably a gas phase oxidation method:

mixing TiCl₄And carrying out gas phase oxidation reaction with oxygen to obtain the nano titanium dioxide.

In the present invention, the oxygen is preferably dry oxygen.

In the invention, the temperature of the gas-phase oxidation reaction is preferably 923-1023K.

In the present invention, the nano titanium dioxide is more preferably a product of model 7069 provided by NP corporation of japan.

In the present invention, the noble metal is preferably one or more selected from the group consisting of platinum, rhodium and palladium.

In the present invention, the mass content of the nano titanium dioxide in the mixed solution is preferably 0.01 to 99%, more preferably 0.1 to 90%, more preferably 1 to 80%, more preferably 5 to 70%, more preferably 10 to 60%, more preferably 20 to 50%, most preferably 30 to 40%, and most preferably 21%.

In the present invention, the mass content of the noble metal in the mixed solution is preferably 0.01 to 60%, more preferably 0.1 to 50%, more preferably 1 to 40%, more preferably 5 to 30%, more preferably 10 to 20%, most preferably 15%, and most preferably 4%.

In the invention, the mass content of the water in the mixed solution is one hundred percent minus the mass content of the nano titanium dioxide and the noble metal in the mixed solution.

In the invention, the rotation speed in the centrifugal separation process is preferably 800-1800 r/min, more preferably 1000-1600 r/min, and most preferably 1200-1400 r/min.

In the present invention, the centrifugal separation apparatus is preferably a ZK496 type apparatus available from Hermle, Germany

In the present invention, the purity of the photocatalyst liquid is preferably 20% or more.

In the invention, the spraying temperature is preferably 5-30 ℃, more preferably 10-25 ℃, and most preferably 15-20 ℃.

In the present invention, the spraying equipment is preferably a model SG 2500 equipment available from ABAC, germany.

In the invention, the fiber fabric product is a product prepared from the fiber fabric, and the fiber fabric product has an outer surface and an inner surface. In the present invention, the fibrous web product preferably comprises: gloves, masks, handkerchiefs or socks.

In the present invention, the surface of the sprayed fiber fabric product is preferably the inner surface and the outer surface of the sprayed fiber fabric product. In the invention, the spraying distance in the spraying process is preferably 20-30 cm, more preferably 23-27 cm, and most preferably 25 cm; in the spraying process, the surface of the fiber fabric product is preferably transversely sprayed and then longitudinally sprayed, and the surface of the transversely sprayed fiber fabric product is longitudinally sprayed after being dried completely. In the invention, the thickness of the spraying is preferably 4-8 microns, more preferably 5-7 microns, and most preferably 6 microns. In the present invention, the spraying is preferably performed in a dust-free environment, such as a dust-free shop.

In the invention, the time for irradiating the ultraviolet light is preferably 12 to 17 minutes, more preferably 13 to 16 minutes, and most preferably 15 minutes. In the present invention, the ultraviolet light irradiation is preferably performed in a dust-free environment such as a dust-free plant. In the invention, the temperature of the ultraviolet light irradiation is preferably 20-30 ℃, more preferably 23-27 ℃, and most preferably 25 ℃, and the ultraviolet light irradiation process is preferably kept at a constant temperature. In the invention, the ultraviolet radiation is preferably performed by adopting an ultraviolet lamp, more preferably, the ultraviolet lamps are arranged around the fiber fabric product, the number of the ultraviolet lamps is preferably 2, the distance between the ultraviolet lamps and the fiber fabric product is preferably 50cm, and the wavelength of the ultraviolet lamps is preferably 320-400 nm, more preferably 340-380 nm, and most preferably 350-360 nm. The photocatalyst material can be attached to the surface layer of a fiber fabric product and continuously hardened through ultraviolet irradiation, is not easy to clean and wipe off, and has a lasting effect.

In the present invention, after obtaining the photocatalyst product, the photocatalyst product is preferably sealed and packaged in a dust-free manner.

The photocatalyst product with the functions of resisting bacteria, sterilizing, decomposing peculiar smell, preventing ultraviolet radiation and the like is produced by preparing the photocatalyst liquid with a special formula and adopting a special process flow.

The invention provides a photocatalyst product prepared by the method of the technical scheme. In the present invention, the photocatalyst product includes:

a fibrous fabric product;

and the photocatalyst material is attached to the surface of the fiber fabric product.

In the invention, the fiber fabric product is the same as the fiber fabric product in the technical scheme, and is not described herein again.

In the invention, the photocatalyst material is a coating formed by spraying and ultraviolet irradiation of photocatalyst liquid in the preparation method of the photocatalyst product in the technical scheme. In the invention, the photocatalyst material can be attached to the inner surface of the fiber fabric product, can also be attached to the outer surface of the fiber fabric product, and can also be attached to the inner surface and the outer surface of the fiber fabric product simultaneously. In the invention, the thickness of the photocatalyst material is preferably 10 to 20 micrometers, more preferably 12 to 18 micrometers, and most preferably 14 to 16 micrometers.

The nano titanium dioxide adopted in the following embodiment of the invention is a 7069 model product provided by the company NP, the noble metal is platinum or rhodium, a 7166 model product provided by the company NP, the gloves are a sports II type golf product provided by the company Shibata-Yinyi sports development Co., Ltd, the centrifugal separation equipment is a ZK496 model equipment provided by the company Hermle, Germany, and the spraying equipment is an SG 2500 model equipment provided by the company ABAC, Germany.