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Anti-aging highly-durable glass microspheres for reflective film and preparation method thereof

A glass microbead, anti-aging technology, applied in the field of glass microbead manufacturing, can solve the problems of poor anti-aging, poor durability, unstable quality and performance, etc., to improve anti-aging and durability, long service life, enhanced thermal Effects on stability and mechanical properties

Inactive Publication Date: 2015-09-23
HEFEI DINGLIANG OPTICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the quality and performance of glass microspheres produced by Chinese manufacturers are unstable, and there are still shortcomings such as poor aging resistance and poor durability. Compared with foreign glass microspheres, there is still a certain gap.

Method used

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Examples

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Embodiment Construction

[0016] A kind of anti-aging and high-durability glass microspheres for reflective film, which is made of the following raw materials in weight (kg): 35 dawsonite, 24 germanium stone, 29 silica fume powder, 36 albite feldspar, 18 titanium dioxide, and refractory bricks Slag 23, potassium fluoroborate 11, monocalcium phosphate 6, magnesium fluoride 8, cullet 40, beryl 38, zirconia 12, caustic soda 9, additive 11;

[0017] The additives are mixed from the following raw materials by weight (kg): bismuth oxychloride 10, cerium phosphate 13, cobalt chromate 8, barium peroxide 5, sodium selenate 6.5, indium tin oxide 4, yttrium oxalate 6, disilicide Molybdenum 12, strontium titanate 7.

[0018] A preparation method of anti-aging high-durability glass beads for reflective film, comprising the following steps:

[0019] (1) Mix dawsonite, germanite, albite, and beryl evenly, calcinate at 780-840°C for 1-2h, air-cool to room temperature, pulverize, pass through a 100-150 me...

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Abstract

The invention discloses an anti-aging highly-durable glass microspheres for a reflective film and a preparation method thereof. The glass microspheres are prepared by using the following raw materials in parts by weight: 29-44 parts of dawsonite, 15-27 parts of germanite, 22-36 parts of silica fume powder, 28-42 parts of albite, 16-22 parts of titanium dioxide, 18-26 parts of crumbled refractory bricks, 7-14 parts of potassium fluoroborate, 5-8 parts of monocalcium phosphate, 6-10 parts of magnesium fluoride, 35-45 parts of broken glass, 32-44 parts of beryl, 10-15 parts of zirconium oxide, 7-11 parts of caustic soda and 10-12 parts of an additive. According to the glass microspheres produced by using the method of the invention, in addition to broken glass, raw materials such as crumbled refractory bricks, dawsonite, germanite, and beryl are added, so as to improve the anti-aging properties and durability of the glass microspheres and enhance the thermal stability and mechanical properties of the glass microspheres. The glass microspheres prepared by using the method of the invention are high in strength and high in index of refraction, are resistant to high temperature, have anti-aging properties, are durable, and have broad application prospects.

Description

technical field [0001] The invention relates to an anti-aging high-durability glass microsphere for a reflective film and a preparation method thereof, belonging to the field of glass microsphere manufacture. Background technique [0002] Glass beads refer to solid or hollow glass beads with a diameter of several microns to hundreds of microns, which are divided into two types: colorless and colored. Those with a diameter of 0.8mm or more are called fine beads; those with a diameter of less than 0.8mm are called microbeads. Glass beads are a new type of silicate material, which are widely used because of their characteristics of transparency, adjustable refractive index, directional retroreflection, smooth surface, good fluidity, electrical insulation, stable chemical properties, heat resistance and high mechanical strength. Applied to reflective film. [0003] The reflective film is based on the principle of retro-reflective glass beads with high refractive index. It can...

Claims

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Application Information

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IPC IPC(8): C03C12/02C03C6/06
Inventor 范春平
Owner HEFEI DINGLIANG OPTICAL TECH
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