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Glass micro-beads for weather-resistant and wear-resistant reflective film and preparation method for glass micro-beads

A technology of glass beads and reflective film, which is applied in the field of glass beads manufacturing, can solve problems such as unstable quality and performance, achieve excellent mechanical properties, long service life, and improve overall performance

Inactive Publication Date: 2015-10-07
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 microsphere products produced by Chinese manufacturers are unstable, and there is still a certain gap compared with foreign glass microsphere products.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] A kind of glass beads for weather-resistant and wear-resistant reflective film, made of the following raw materials in weight (kg): quartz powder 54, apatite 36, gneiss 32, attapulgite 28, alunite 22, tungsten disulfide 12 , titanium diboride 14, silicon nitride 8, light burnt powder 23, erbium oxide 7, aluminum nitrate 8, sodium carbonate 9, additive 10;

[0017] The additives are mixed from the following raw materials by weight (kg): magnesium aluminate 10, barium chromate 8, lithium metaborate 7, zinc selenite 5, praseodymium chloride 3, niobium powder 4, barium selenate 5, Lithium zirconate 9, tellurium dioxide 5.

[0018] A method for preparing glass beads for weather-resistant and wear-resistant reflective film, comprising the following steps:

[0019] (1) Mix quartz powder and lightly burned powder evenly, add 5-7 times the amount of water, wet ball mill at 2000-3000r / min for 20-30min, spray dry into powder and mix with tungsten disulfide, titanium ...

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Abstract

The invention discloses glass micro-beads for a weather-resistant and wear-resistant reflective film and a preparation method for the glass micro-beads. The glass micro-beads are prepared from the following raw materials in parts by weight: 47 to 63 parts of quartz powder, 26 to 44 parts of apatite, 24 to 37 parts of gneiss, 18 to 34 parts of attapulgite, 12 to 26 parts of alunite, 8 to 14 parts of tungsten sulfide, 9 to 16 parts of titanium diboride, 5 to 10 parts of silicon nitride, 14 to 26 parts of light burning powder, 5 to 10 parts of erbium oxide, 5 to 10 parts of aluminum nitrate, 6 to 12 parts of sodium carbonate and 8 to 12 parts of an additive. According to the micro-beads, the advantages of the raw materials such as tungsten sulfide, titanium diboride and silicon nitride are combined, so that the comprehensive performance of conventional glass micro-beads is improved, and the glass micro-beads are endowed with high mechanical performance, weather and aging resistance, wear resistance and long service life, and can be applied to outdoor reflective films with higher requirements on weather resistance and wear resistance.

Description

technical field [0001] The invention relates to a glass microsphere for a weather-resistant wear-resistant 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 ind...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C12/00
Inventor 范春平
Owner HEFEI DINGLIANG OPTICAL TECH
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