阅读说明：本技术 一种利用稀土材料在玻璃上镀膜屏蔽有害紫外光的方法 (Method for shielding harmful ultraviolet light by coating film on glass with rare earth material ) 是由 董涛 于 2020-12-25 设计创作，主要内容包括：本发明公开了一种利用稀土材料在玻璃上镀膜屏蔽有害紫外光的方法,属于玻璃加工技术领域,包括如下步骤：(1)镀膜处理、(2)退火处理。本发明方法工艺简单,各步骤搭配合理,易于推广应用,处理后的玻璃具有很强的紫外线屏蔽能力,且综合品质好。(The invention discloses a method for shielding harmful ultraviolet light by coating a film on glass by using a rare earth material, which belongs to the technical field of glass processing and comprises the following steps: (1) coating treatment and (2) annealing treatment. The method has simple process, reasonable matching of all steps and easy popularization and application, and the treated glass has strong ultraviolet shielding capability and good comprehensive quality.)

1. A method for shielding harmful ultraviolet light by coating a film on glass by using a rare earth material is characterized by comprising the following steps:

(1) coating treatment:

carrying out vacuum sputtering coating treatment on the glass at the ambient temperature, wherein a composite coating material is adopted during the coating treatment;

(2) annealing treatment:

and (3) annealing the glass treated in the step (1), and taking out the glass after the annealing is finished.

2. The method for shielding harmful ultraviolet light by coating a film on glass with a rare earth material as claimed in claim 1, wherein the ambient temperature in the step (1) is-15 to 45 ℃.

3. The method for shielding harmful ultraviolet light by coating a film on glass with a rare earth material as claimed in claim 2, wherein the ambient temperature is 15-30 ℃.

4. The method for shielding harmful ultraviolet light by coating on glass with rare earth materials as claimed in claim 1, wherein the composite coating material in step (1) comprises hafnium oxide and zinc oxide.

5. The method for shielding harmful ultraviolet light by coating a film on glass with a rare earth material according to claim 4, wherein the mass ratio of hafnium oxide to zinc oxide is 4-7: 20 to 25.

6. The method for shielding harmful ultraviolet light by coating a film on glass with a rare earth material according to claim 1, wherein the annealing temperature in the annealing treatment in the step (2) is controlled to be 200-360 ℃, and the annealing time is 1-1.5 hours.

7. The method for shielding ultraviolet light by coating rare earth materials on glass as claimed in claim 6, wherein the annealing temperature is controlled to be 300 ℃ and the annealing time is 1.2 h.

8. The method for shielding ultraviolet light by coating rare earth materials on glass according to claim 1, wherein the annealing treatment in the step (2) is carried out by ultrasonic treatment.

9. The method for shielding harmful ultraviolet light by coating a film on glass with a rare earth material according to claim 8, wherein the ultrasonic wave is controlled to have a frequency of 900 to 1000kHz during the ultrasonic wave treatment.

Technical Field

The invention belongs to the technical field of glass processing, and particularly relates to a method for shielding harmful ultraviolet light by coating a film on glass by using a rare earth material.

Background

The TCO glass, namely Transparent conductive oxide coated glass, is formed by uniformly coating a layer of Transparent conductive oxide film on the surface of flat glass by a physical or chemical coating method, has wide application due to excellent Transparent and conductive properties, and can be applied to the fields of solar thin film batteries, displays, heat reflecting mirrors, Transparent surface heaters, flexible light emitting devices, radar shielding protection, automobiles, buildings and the like.

Particularly, when used in the fields of automobiles, buildings and the like, the TCO glass is required to have a special ultraviolet ray protection property in order to protect human bodies or articles and the like. The TCO glass prepared by the common processing method in the market at present has weak performance on shielding harmful ultraviolet light, and needs to be continuously improved.

Disclosure of Invention

The invention aims to provide a method for shielding harmful ultraviolet light by coating a film on glass by using a rare earth material, which can obviously improve the ultraviolet-proof capability of the glass.

The technical purpose of the invention is realized by the following technical scheme:

a method for shielding harmful ultraviolet light by coating a film on glass by using a rare earth material comprises the following steps:

(1) coating treatment:

carrying out vacuum sputtering coating treatment on the glass at the ambient temperature, wherein a composite coating material is adopted during the coating treatment;

(2) annealing treatment:

and (3) annealing the glass treated in the step (1), and taking out the glass after the annealing is finished.

Further, the ambient temperature in the step (1) is-15 to 45 ℃.

Preferably, the ambient temperature is 15-30 ℃.

Further, the composite coating material in the step (1) comprises hafnium oxide and zinc oxide.

Further, the mass ratio of the hafnium oxide to the zinc oxide is 4-7: 20 to 25.

Further, the annealing temperature in the annealing treatment in the step (2) is controlled to be 200-360 ℃, and the annealing time is 1-1.5 h.

Preferably, the annealing temperature is controlled to be 300 ℃ during the annealing treatment, and the annealing time is controlled to be 1.2 h.

Further, the annealing treatment in the step (2) is carried out by ultrasonic treatment.

Further, the frequency of the ultrasonic wave is controlled to be 900-1000 kHz during ultrasonic wave treatment.

Compared with the prior art, the invention has the following advantages:

the invention provides a method for shielding harmful ultraviolet light by coating a film on glass by using a rare earth material, wherein in the process, the glass is subjected to vacuum sputtering coating treatment, and a composite coating material prepared by compounding hafnium oxide and zinc oxide is used for coating the film to form a rare earth material composite film layer, so that the shielding efficiency of the glass on the harmful ultraviolet light with the wavelength of about 290nm can be obviously improved, then annealing treatment is carried out, ultrasonic treatment is carried out simultaneously, the influence of the surface temperature change of a glass substrate on the physical properties of TCO coated glass is effectively reduced under the synergistic action of the ultrasonic treatment and the annealing treatment, and the service performance of the glass is ensured. The method has simple process, reasonable matching of all steps and easy popularization and application, and the treated glass has strong ultraviolet shielding capability and good comprehensive quality and has great popularization and application values.

Detailed Description

Example 1

A method for shielding harmful ultraviolet light by coating a film on glass by using a rare earth material comprises the following steps:

(1) coating treatment:

carrying out vacuum sputtering coating treatment on the glass at the ambient temperature, wherein a composite coating material is adopted during the coating treatment;

(2) annealing treatment:

and (3) annealing the glass treated in the step (1), and taking out the glass after the annealing is finished.

The ambient temperature in step (1) was-15 ℃.

The composite coating material in the step (1) comprises hafnium oxide and zinc oxide, wherein the mass ratio of the hafnium oxide to the zinc oxide is 4: 20.

and (3) controlling the annealing temperature to be 200 ℃ and the annealing time to be 1h during the annealing treatment in the step (2).

Ultrasonic treatment is also carried out during the annealing treatment in the step (2), and the frequency of the ultrasonic wave is 900 kHz.

Example 2

A method for shielding harmful ultraviolet light by coating a film on glass by using a rare earth material comprises the following steps:

(1) coating treatment:

carrying out vacuum sputtering coating treatment on the glass at the ambient temperature, wherein a composite coating material is adopted during the coating treatment;

(2) annealing treatment:

and (3) annealing the glass treated in the step (1), and taking out the glass after the annealing is finished.

The ambient temperature in step (1) was 15 ℃.

The composite coating material in the step (1) comprises hafnium oxide and zinc oxide, wherein the mass ratio of the hafnium oxide to the zinc oxide is 4: 22.

in the annealing treatment in the step (2), the annealing temperature is controlled to be 280 ℃ and the annealing time is 1 h.

Ultrasonic treatment is also carried out during the annealing treatment in the step (2), and the frequency of the ultrasonic wave is 920 kHz.

Example 3

A method for shielding harmful ultraviolet light by coating a film on glass by using a rare earth material comprises the following steps:

(1) coating treatment:

carrying out vacuum sputtering coating treatment on the glass at the ambient temperature, wherein a composite coating material is adopted during the coating treatment;

(2) annealing treatment:

and (3) annealing the glass treated in the step (1), and taking out the glass after the annealing is finished.

The ambient temperature in step (1) was 20 ℃.

The composite coating material in the step (1) comprises hafnium oxide and zinc oxide, wherein the mass ratio of the hafnium oxide to the zinc oxide is 6: 23.

and (3) controlling the annealing temperature to be 3000 ℃ and the annealing time to be 1.2h during the annealing treatment in the step (2).

Ultrasonic treatment is also carried out during the annealing treatment in the step (2), and the frequency of the ultrasonic wave is 950 kHz.

Example 4

A method for shielding harmful ultraviolet light by coating a film on glass by using a rare earth material comprises the following steps:

(1) coating treatment:

carrying out vacuum sputtering coating treatment on the glass at the ambient temperature, wherein a composite coating material is adopted during the coating treatment;

(2) annealing treatment:

and (3) annealing the glass treated in the step (1), and taking out the glass after the annealing is finished.

The ambient temperature in step (1) was 30 ℃.

The composite coating material in the step (1) comprises hafnium oxide and zinc oxide, wherein the mass ratio of the hafnium oxide to the zinc oxide is 6: 23.

the annealing temperature in the annealing treatment in the step (2) is controlled to be 320 ℃, and the annealing time is 1.3 h.

The annealing treatment in the step (2) is also carried out with ultrasonic treatment, and the frequency of the ultrasonic is 980 kHz.

Example 5

A method for shielding harmful ultraviolet light by coating a film on glass by using a rare earth material comprises the following steps:

(1) coating treatment:

carrying out vacuum sputtering coating treatment on the glass at the ambient temperature, wherein a composite coating material is adopted during the coating treatment;

(2) annealing treatment:

and (3) annealing the glass treated in the step (1), and taking out the glass after the annealing is finished.

The ambient temperature in step (1) was 45 ℃.

The composite coating material in the step (1) comprises hafnium oxide and zinc oxide, wherein the mass ratio of the hafnium oxide to the zinc oxide is 7: 25.

and (3) controlling the annealing temperature to be 360 ℃ and the annealing time to be 1.5h during the annealing treatment in the step (2).

The annealing treatment in the step (2) is also carried out with ultrasonic treatment, and the frequency of the ultrasonic is 1000 kHz.

The shielding rate of the glass treated by the method of the invention to harmful ultraviolet light with the wavelength of about 290nm reaches more than 90%, the use quality is stable, the comprehensive performance is good, and the glass has great market competitiveness.