阅读说明：本技术 一种智能玻璃阳极电致变色层镀膜材料及其制备方法 (Intelligent glass anode electrochromic layer coating material and preparation method thereof ) 是由 李晓明 王海波 曾西平 靳世东 国星 于 2021-01-07 设计创作，主要内容包括：本发明涉及镀膜材制备技术领域,且公开了一种智能玻璃阳极电致变色层镀膜材料及其制备方法,配方重量配比为：镍粉40份；铬粉5-10份；氧化锂5-10份；氧化锆球65-70份；纯水29份；分散剂1.8份；氧化钛0.1-10份；氧化锌0.1-5份；氧化铝0.1-5份。该智能玻璃阳极电致变色层镀膜材料的制备方法,通过镍粉与铬粉和氧化锂的混合使用,使镀膜材料的质地变软,同时降低镀膜材料的导磁性,且不影响镀膜材料的透光性,提高了成膜效率。(The invention relates to the technical field of preparation of coating materials, and discloses an intelligent glass anode electrochromic layer coating material and a preparation method thereof, wherein the coating material comprises the following components in parts by weight: 40 parts of nickel powder; 5-10 parts of chromium powder; 5-10 parts of lithium oxide; 65-70 parts of zirconia balls; 29 parts of pure water; 1.8 parts of a dispersing agent; 0.1-10 parts of titanium oxide; 0.1-5 parts of zinc oxide; 0.1-5 parts of alumina. According to the preparation method of the intelligent glass anode electrochromic layer coating material, the nickel powder, the chromium powder and the lithium oxide are mixed for use, so that the texture of the coating material is softened, the magnetic permeability of the coating material is reduced, the light transmittance of the coating material is not affected, and the film forming efficiency is improved.)

1. An intelligent glass anode electrochromic layer coating material is characterized by comprising the following components in parts by weight:

40 parts of nickel powder;

5-10 parts of chromium powder;

5-10 parts of lithium oxide;

65-70 parts of zirconia balls;

29 parts of pure water;

1.8 parts of a dispersing agent;

0.1-10 parts of titanium oxide;

0.1-5 parts of zinc oxide;

0.1-5 parts of alumina.

2. The preparation method of the intelligent glass anode electrochromic layer coating material of claim 1, which is characterized by comprising the following steps:

s1, adding nickel powder, chromium powder and lithium oxide into a mixing device, and fully mixing for 20 hours;

s2, preparing the coating material in a hot pressing mode, wherein the hot pressing temperature is 780 ℃, the hot pressing pressure is 22MPa, and the pressure maintaining time is 38 min;

s3, adding the prepared coating material into grinding equipment and grinding into powder;

s4, adding titanium oxide, zinc oxide, aluminum oxide, zirconia balls, pure water and a dispersing agent, and fully grinding and mixing;

s5, drying for 24 hours, and demoulding to form an oxide low-density blank;

s6, pouring the formed slurry into a three-inch porous mold;

s7, sintering the blank in a vacuum sintering furnace at 1150-;

s8, putting the glass substrate to be coated into the sputtering blank, and pumping the background pressure of the sputtering blank to 0.65 × 10 by a vacuum pumping system^-5-0.85×10^-5After the torr, introducing mixed gas of argon and oxygen, wherein the volume ratio of the oxygen in the mixed gas is 3-5%;

s9, controlling the working pressure of the sputtering blank to 2 by the mixed gas through the throttle valve^-5×10^-3torr, proceed sputtering process with power 147-252W to obtain transparent oxide film with 150-300 nm.

3. The preparation method of the intelligent glass anode electrochromic layer coating material according to claim 2, wherein the preparation method comprises the following steps: the particle sizes of the nickel powder and the chromium powder are both 39 mu m.

4. The preparation method of the intelligent glass anode electrochromic layer coating material according to claim 2, wherein the preparation method comprises the following steps: the particle size of the lithium oxide was 402. mu.m.

Technical Field

The invention relates to the technical field of preparation of coating materials, in particular to an intelligent glass anode electrochromic layer coating material and a preparation method thereof.

Background

The electrochromic is a phenomenon that the optical properties (reflectivity, transmittance, absorptivity and the like) of the material generate stable and reversible color change under the action of an external electric field, the appearance of the material shows reversible change of color and transparency, the material with the electrochromic property is called electrochromic material, and the electrochromic intelligent glass is one of the electrochromic materials, and is a development direction of energy-saving building materials because the electrochromic intelligent glass can solve the problem of urban light pollution which is continuously worsened in modern times.

The existing coating material of the electrochromic intelligent glass anode electrochromic layer mainly adopts nickel, and in order to ensure industrial production, the thickness of the coating material is generally thinner, so that the consumption of the coating material is too high, the replacement frequency of the coating material is increased, and the production efficiency is reduced.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an intelligent glass anode electrochromic layer coating material and a preparation method thereof, and the intelligent glass anode electrochromic layer coating material has the advantages of convenience in production and high film forming speed.

The invention adopts the following technical scheme for realizing the technical purpose: an intelligent glass anode electrochromic layer coating material comprises the following components in parts by weight: 40 parts of nickel powder; 5-10 parts of chromium powder; 5-10 parts of lithium oxide; 65-70 parts of zirconia balls; 29 parts of pure water; 1.8 parts of a dispersing agent; 0.1-10 parts of titanium oxide; 0.1-5 parts of zinc oxide; 0.1-5 parts of alumina.

The preparation method of the intelligent glass anode electrochromic layer coating material comprises the following steps:

s1, adding nickel powder, chromium powder and lithium oxide into a mixing device, and fully mixing for 20 hours;

s2, preparing the coating material in a hot pressing mode, wherein the hot pressing temperature is 780 ℃, the hot pressing pressure is 22MPa, and the pressure maintaining time is 38 min;

s3, adding the prepared coating material into grinding equipment, and grinding into powder;

s4, adding titanium oxide, zinc oxide, aluminum oxide, zirconia balls, pure water and a dispersing agent, and fully grinding and mixing;

s5, drying for 24 hours, and demoulding to form an oxide low-density blank;

s6, pouring the formed slurry into a three-inch porous mold;

s7, sintering the blank in a vacuum sintering furnace at 1150-1430 ℃ for 4-5 hours under 390-3900mmHg to form a high-density target blank for sputtering, and cutting and grinding the blank into a three-inch target;

s8, placing the glass substrate to be coated into the sputtering blank, and pumping the background pressure of the sputtering blank to 0.65 × 10^-5-0.85×10^-5After the torr, introducing mixed gas of argon and oxygen, wherein the volume ratio of the oxygen in the mixed gas is 3-5%;

s9, controlling the working pressure of the sputtering blank to 2 by the mixed gas through the throttle valve^-5×10^-3torr, proceed sputtering process with power 147-252W to obtain transparent oxide film with 150-300 nm.

Preferably, the particle sizes of the nickel powder and the chromium powder are both 39 micrometers.

Preferably, the particle size of the lithium oxide is 402 μm.

The invention has the following beneficial effects:

1. according to the intelligent glass anode electrochromic layer coating material and the preparation method thereof, the nickel powder, the chromium powder and the lithium oxide are mixed for use, so that the texture of the coating material is softened, the magnetic permeability of the coating material is reduced, the light transmittance of the coating material is not influenced, and the film forming efficiency is improved.

2. According to the intelligent glass anode electrochromic layer coating material and the preparation method thereof, the coating material is mixed with titanium oxide, zinc oxide and aluminum oxide for use, so that the density of the coating material is higher and more uniform, and the service life of the coating material is prolonged.

Detailed Description

Example 1

An intelligent glass anode electrochromic layer coating material comprises the following components in parts by weight: 40 parts of nickel powder; 10 parts of chromium powder; 10 parts of lithium oxide; 68 parts of zirconia balls; 29 parts of pure water; 1.8 parts of a dispersing agent; 4 parts of titanium oxide; 3 parts of zinc oxide; and 5 parts of alumina.

The preparation method of the intelligent glass anode electrochromic layer coating material comprises the following steps:

s1, adding nickel powder, chromium powder and lithium oxide into a mixing device, and fully mixing for 20 hours;

s2, preparing the coating material by a hot pressing mode, wherein the hot pressing temperature is 780 ℃, the hot pressing pressure is 22MPa, and the pressure maintaining time is 38 min.

S3, adding the prepared coating material into grinding equipment, and grinding into powder;

s4, adding titanium oxide, zinc oxide, aluminum oxide, zirconia balls, pure water and a dispersing agent, and fully grinding and mixing;

s5, drying for 24 hours, and demoulding to form an oxide low-density blank;

s6, pouring the formed slurry into a three-inch porous mold;

s7, sintering the blank in a vacuum sintering furnace at 1150 ℃ for 4 hours with the vacuum degree of 390mmHg to form a high-density target blank for sputtering, and cutting and grinding the blank into three-inch targets;

s8, placing the glass substrate to be coated into the sputtering blank, and pumping the background pressure of the sputtering blank to 0.65 × 10^-5After the torr, introducing mixed gas of argon and oxygen, wherein the volume ratio of the oxygen in the mixed gas is 3%;

s9, controlling the working pressure of the sputtering blank by introducing the mixed gas through the throttle valve2^-5×10^-3Torr, a sputtering process is performed with a power supply of 147W to obtain a transparent oxide film of 150 nm.

The particle sizes of the nickel powder and the chromium powder are both 39 mu m.

The particle size of the lithium oxide was 402. mu.m.

Example 2

An intelligent glass anode electrochromic layer coating material comprises the following components in parts by weight: 40 parts of nickel powder; 8 parts of chromium powder; 7 parts of lithium oxide; 70 parts of zirconia balls; 29 parts of pure water; 1.8 parts of a dispersing agent; 3 parts of titanium oxide; 3 parts of zinc oxide; and 2 parts of alumina.

The preparation method of the intelligent glass anode electrochromic layer coating material comprises the following steps:

s1, adding nickel powder, chromium powder and lithium oxide into a mixing device, and fully mixing for 20 hours;

s2, preparing the coating material in a hot pressing mode, wherein the hot pressing temperature is 780 ℃, the hot pressing pressure is 22MPa, and the pressure maintaining time is 38 min;

s3, adding the prepared coating material into grinding equipment, and grinding into powder;

s4, adding titanium oxide, zinc oxide, aluminum oxide, zirconia balls, pure water and a dispersing agent, and fully grinding and mixing;

s5, drying for 24 hours, and demoulding to form an oxide low-density blank;

s6, pouring the formed slurry into a three-inch porous mold;

s7, sintering the blank in a vacuum sintering furnace at 1430 ℃ for 5 hours with the vacuum degree of 3900mmHg to form a high-density target blank for sputtering, and cutting and grinding the blank into a three-inch target;

s8, placing the glass substrate to be coated into the sputtering blank, and pumping the background pressure of the sputtering blank to 0.85 × 10^-5After the torr, introducing mixed gas of argon and oxygen, wherein the volume ratio of the oxygen in the mixed gas is 5%;

s9, controlling the working pressure of the sputtering blank to 2 by the mixed gas through the throttle valve^-5×10^-3torr, sputtering with a power of 252WThe process is carried out to obtain transparent oxide film with 300 nm.

The particle sizes of the nickel powder and the chromium powder are both 39 mu m.

The particle size of the lithium oxide was 402. mu.m.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.