Unlock instant, AI-driven research and patent intelligence for your innovation.

A kind of preparation method of high refractive index glass microsphere

A technology of glass microspheres and high refractive index, applied in the field of glass microspheres, can solve problems such as failure to meet market requirements, reflective performance not meeting actual needs, unstable product performance, etc.

Active Publication Date: 2018-10-12
蚌埠格识知识产权运营有限公司
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, only a few manufacturers in my country have mastered the production technology of high refractive index glass beads, and the performance of their products is very unstable, and the reflective performance still cannot meet the actual needs and market requirements.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The preparation method of a kind of high refractive index glass microsphere that the present invention proposes, comprises the steps:

[0025] S1. After mixing 7 parts of aluminum nitrate, 15 parts of zirconium nitrate, 3 parts of cerium nitrate and 0.8 part of magnesium nitrate by weight, add water to dissolve to obtain a mixed solution, then add sodium hydroxide solution dropwise, filter, and wash the filter cake Put it in water for ultrasonic dispersion, the time of ultrasonic dispersion is 12min, the power of ultrasonic dispersion is 550w, the frequency of ultrasonic dispersion is 45kHz, then heated in water bath, the temperature of water bath heating is 75°C, during the process of water bath heating, nitric acid is added dropwise to pH = 3 to 4, to obtain sol a;

[0026] S2. Add 18 parts of tetraethyl orthosilicate to 6.3 parts of ethanol to dissolve in parts by weight, then add 0.2 parts of water dropwise, then adjust the pH value to 3-4, then add 8 parts of sol a...

Embodiment 2

[0031] The preparation method of a kind of high refractive index glass microsphere that the present invention proposes, comprises the steps:

[0032] S1. After mixing 10 parts of aluminum nitrate, 12 parts of zirconium nitrate, 5 parts of cerium nitrate and 0.5 part of magnesium nitrate in parts by weight, add water to dissolve to obtain a mixed solution, then add sodium hydroxide solution dropwise, filter, and wash the filter cake Put it in water for ultrasonic dispersion, the time of ultrasonic dispersion is 15min, the power of ultrasonic dispersion is 450w, the frequency of ultrasonic dispersion is 50kHz, then heated in water bath, the temperature of water bath heating is 72°C, during the process of water bath heating, nitric acid is added dropwise to pH = 3 to 4, to obtain sol a;

[0033] S2. Add 21 parts of tetraethyl orthosilicate to 5.8 parts of ethanol to dissolve in parts by weight, then add 0.5 parts of water dropwise, then adjust the pH value to 3-4, then add 5 part...

Embodiment 3

[0038] The preparation method of a kind of high refractive index glass microsphere that the present invention proposes, comprises the steps:

[0039] S1. After mixing 9 parts of aluminum nitrate, 13 parts of zirconium nitrate, 4.5 parts of cerium nitrate and 0.6 part of magnesium nitrate in parts by weight, add water to dissolve to obtain a mixed solution, then add dropwise sodium hydroxide solution, filter, and wash the filter cake Put it in water for ultrasonic dispersion, the time of ultrasonic dispersion is 14min, the power of ultrasonic dispersion is 480w, the frequency of ultrasonic dispersion is 48kHz, then heated in water bath, the temperature of water bath heating is 73°C, during the process of water bath heating, nitric acid is added dropwise to pH = 3 to 4, to obtain sol a;

[0040] S2. Add 20 parts of tetraethyl orthosilicate to 6 parts of ethanol to dissolve in parts by weight, then add 0.4 parts of water dropwise, then adjust the pH value to 3-4, then add 6 parts o...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
refractive indexaaaaaaaaaa
Login to View More

Abstract

The invention discloses a preparation method of high-refraction-index glass beads. The preparation method comprises the following steps: dissolving aluminium nitrate, zirconium nitrate, cerous nitrate and magnesium nitrate in water to obtain a mixed solution, dropwise adding sodium hydroxide solution, filtering, washing, placing in water for ultrasonic dispersion, heating in a water bath, and dropwise adding nitric acid during the water bath heating process to obtain sol a; adding ethyl alcohol to dissolve tetraethoxysilane, and dropwise adding water and the sol a to obtain sol b; adding ethyl acetoacetate in ethyl alcohol, and then adding tetrabutyl titanate to obtain sol c; adding zinc nitrate, chromic nitrate and boric acid in ethyl alcohol to obtain solution d; dropwise adding the solution d in the sol c, adding water, stirring, and standing to obtain sol e; stirring the sol b, and dropwise adding the sol e and water during the stirring process to obtain sol f; heating span-containing paroline in the water bath, dropwise adding the sol f in the paroline, stirring, filtering and drying to obtain sol particles; sintering the sol particles, and cooling the sol particles to obtain the reflective glass beads.

Description

technical field [0001] The invention relates to the technical field of glass microspheres, in particular to a method for preparing high refractive index glass microspheres. Background technique [0002] Glass microsphere is a new type of material with wide application and special performance developed in recent years. It is a hollow glass sphere with tiny size and belongs to inorganic non-metallic material. Glass beads are the main raw material for the manufacture of reflective materials, and can be widely used in reflective materials in roads, railways, airports, ports, ocean transportation, mines, tunnels, fire protection, urban construction and other fields. With the increase of my country's investment in infrastructure construction, the demand for glass beads is increasing, and the performance requirements for glass beads are also getting higher and higher. At present, only a few manufacturers in my country have mastered the production technology of high refractive inde...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C03C12/02
Inventor 谢安全黄承大
Owner 蚌埠格识知识产权运营有限公司