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High-refractive-index micro glass bead for reflective fabric and preparation method thereof

A technology of glass beads and high refractive index, which is applied in glass manufacturing equipment, glass molding, optics, etc., can solve the problems affecting the use effect of reflective cloth, low refractive index, unstable quality and performance, etc., and achieve good reflective effect , high refractive index, excellent weather resistance and durability

Inactive Publication Date: 2015-11-18
BENGBU GAOHUA ELECTRONICS
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AI Technical Summary

Problems solved by technology

At present, the quality and performance of glass beads produced by Chinese manufacturers are unstable, and there are still shortcomings of low refractive index, which seriously affects the use effect of reflective cloth and cannot meet market requirements.

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0013] A kind of high refractive index glass beads for reflective cloth, made of the following raw materials (kg): 46 calcite, 35 spodumene, 27 blast furnace slag, 22 brucite, 25 fisheye, 21 fluorite , silver molybdate 16, light burnt powder 38, tantalum pentoxide 10, cesium carbonate 8, additive 16;

[0014] The preparation method of the additive is as follows: (1) Take the following raw materials by weight (kg): cryolite 25, yttrium fluorite 20, soda ash 14, Glauber’s salt 12, potassium nitrate 13, coal powder 8, rice husk ash 12, bone carbon Powder 8, white arsenic 7, jarosite 5, neodymium carbonate 7; (2) mix cryolite and yttrium fluorite, crush, pass through 80 mesh sieve, and set aside; (3) mix soda ash, mirabilite and potassium nitrate evenly , heated until completely melted, then added the powder obtained in step (1), kept stirring for 7 minutes, quenched with water to obtain broken particles, crushed, passed through a 120-mesh sieve, and then added water to beat to ma...

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Abstract

The invention discloses a high-refractive-index micro glass bead for reflective fabric and a preparation method thereof. The high-refractive-index micro glass bead is prepared from the following raw materials (by weight): 38-52 parts of calcite, 27-41 parts of spodumene, 22-36 parts of blast furnace water quenched slag, 16-28 parts of brucite, 15-30 parts of apophyllite, 19-27 parts of fluorite, 12-18 parts of silver molybdate, 24-46 parts of light burned powder, 8-14 parts of tantalum pentoxide, 5-10 parts of cesium carbonate, and 12-18 parts of additive. The micro glass bead prepared by the method of the invention has high retro-reflection coefficient, high refractive index (>=2.15), good reflective effect, and excellent weather resistance and durability, can be used to manufacture all kinds of reflective fabric, and can satisfy the application requirements of various occasions.

Description

technical field [0001] The invention relates to a high-refractive-index glass bead for reflective cloth and a preparation method thereof, belonging to the field of glass bead manufacturing. Background technique [0002] Reflective cloth is made of high refractive index glass beads on the surface of the cloth base by coating or filming process, so that ordinary cloth can reflect light under the irradiation of light. It is mainly used for products related to road traffic safety. Widely used in reflective clothing, all kinds of professional clothing, work clothes, fashion, shoes and hats, gloves, backpacks, personal protective equipment, outdoor products, etc., and can also be made into various reflective products and accessories. Among them, glass beads are an important raw material for making reflective cloth, and the performance of glass beads directly affects the use effect of reflective cloth. At present, the quality and performance of glass microspheres produced by Chine...

Claims

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Application Information

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IPC IPC(8): G02B5/128C03C12/02C03B19/10
Inventor 肖宪书
Owner BENGBU GAOHUA ELECTRONICS
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