Method for preparing self-cleaning high borosilicate glass rod

A high borosilicate glass, self-cleaning technology, applied in the coating and other directions, can solve the problems of affecting the service life of the glass rod, poor performance of the glass rod, easy to be contaminated with impurities, etc., to ensure super hydrophilic performance, prevent precipitation, improve The effect of uniformity

Inactive Publication Date: 2018-07-06
ANHUI DU HI TECH GLASS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The self-cleaning performance of the glass rods in the prior art is poor, and when the glass rods are used to stir some high-viscosity substances, the surface is easily contaminated with impurities and is not easy to remove, which seriously affects the service life of the glass rods

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A method for preparing a self-cleaning borosilicate glass rod, comprising the following steps:

[0019] (1) In parts by weight, mix 34 parts of aluminum isopropoxide, 1 part of ethylenediaminetetraacetic acid tripotassium salt, and 250 parts of deionized water evenly, heat the mixture to 40°C, and heat it for 2 hours. Prepare colloid A;

[0020] (2) In parts by weight, after dissolving 29 parts of tetrabutyl titanate in 150 parts of ethanol, slowly drop 60 parts of ammonia water with a mass fraction of 11% into it, let it stand for reaction for 2 hours, and pour Wherein 5 parts of potassium titanyl phosphate were added, after mixing and stirring evenly, colloid liquid B was obtained;

[0021] (3) After mixing the colloidal liquid A and the colloidal liquid B according to the mass ratio of 3:1, then adding polyethanolamine with 1% of the mass of the colloidal liquid B to it, after mixing and stirring evenly, a self-cleaning coating is obtained, and the high After the s...

Embodiment 2

[0028] A method for preparing a self-cleaning borosilicate glass rod, comprising the following steps:

[0029] (1) In parts by weight, mix 38 parts of aluminum isopropoxide, 2 parts of ethylenediaminetetraacetic acid tripotassium salt, and 280 parts of deionized water evenly, heat the mixture to 43°C, and heat it for 2.5 hours. Prepare colloid A;

[0030] (2) In parts by weight, after dissolving 31 parts of tetrabutyl titanate in 160 parts of ethanol, slowly drop 65 parts of ammonia water with a mass fraction of 13% into it, let it stand for 2.5 hours, and then pour Wherein 7 parts of potassium titanyl phosphate were added, after mixing and stirring evenly, colloid liquid B was obtained;

[0031] (3) After mixing the colloidal liquid A and the colloidal liquid B according to the ratio of mass ratio of 5:1, then adding polyethanolamine with 2% mass of the colloidal liquid B to it, after mixing and stirring evenly, a self-cleaning coating is obtained, and the high After the su...

Embodiment 3

[0038] A method for preparing a self-cleaning borosilicate glass rod, comprising the following steps:

[0039] (1) In parts by weight, mix 44 parts of aluminum isopropoxide, 2 parts of ethylenediaminetetraacetic acid tripotassium salt, and 300 parts of deionized water evenly, heat the mixture to 45°C, and heat it for 3 hours. Prepare colloid A;

[0040] (2) In parts by weight, after dissolving 33 parts of tetrabutyl titanate in 170 parts of ethanol, slowly drop 70 parts of ammonia water with a mass fraction of 15% into it, and let it stand for 3 hours to react. Wherein 9 parts of potassium titanyl phosphate were added, after mixing and stirring evenly, colloid liquid B was obtained;

[0041] (3) After mixing the colloidal liquid A and the colloidal liquid B according to the mass ratio of 6:1, then adding polyethanolamine with 3% of the mass of the colloidal liquid B to it, after mixing and stirring evenly, a self-cleaning coating is obtained, and the high After the surface o...

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Abstract

The invention discloses a method for preparing a self-cleaning high borosilicate glass rod. The method comprises the following operating steps: (1) uniformly mixing aluminum isopropoxide, ethylenediamine tetraacetic acid tripotassium salt and deionized water, heating the mixture, and performing insulation treatment so as to prepare a colloidal fluid A; (2) dissolving tetrabutyl titanate into ethanol, slowly dropping ammonium hydroxide into the solution, standing and reacting, adding potassium titanyl phosphate into the solution, uniformly mixing and stirring so as to prepare a colloidal fluidB; (3) mixing the colloidal fluid A and the colloidal fluid B, adding polyethylenimine into the mixture, uniformly mixing and stirring to prepare a self-cleaning coating, cleaning the surface of a high borosilicate glass rod, soaking the glass rod in the self-cleaning coating, taking out the glass rod, sintering the glass rod in a high-temperature furnace, so as to obtain the finished product. According to the glass rod prepared by the method disclosed by the invention, the self-cleaning film layer on the surface has a super-hydrophilic surface, and stains contaminated on the surface are easily removed under water erosion.

Description

technical field [0001] The invention belongs to the technical field of glass rod preparation, and in particular relates to a method for preparing a self-cleaning high borosilicate glass rod. Background technique [0002] A glass rod is a glass instrument that can be used to stir to accelerate the dissolution of a solute, to drain when filtering, and to evaporate and crystallize a small amount of solution. Most of the existing glass rods are made of high borosilicate glass. High borosilicate glass is made by utilizing the conductive properties of glass at high temperature. It is melted by heating inside the glass and processed by advanced production technology. It is a kind of Special glass material with low expansion rate, high temperature resistance, high strength, high hardness, high light transmittance and high chemical stability. The self-cleaning performance of the glass rods in the prior art is poor, and when the glass rods are used to stir some high-viscosity substan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C17/32C03C17/25C03C17/22
CPCC03C17/009C03C2218/111C03C2218/32
Inventor 乔业全
Owner ANHUI DU HI TECH GLASS
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