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A kind of preparation method of polishing powder for onyx polishing

A technology of polishing powder and agate, which is applied in the direction of polishing compositions containing abrasives, etc., can solve the problems that the wear resistance cannot meet the requirements of emerald polishing, achieve good polishing effect, improve polishing friction hardness, and simple preparation process

Inactive Publication Date: 2017-07-25
UNIV OF JINAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compounding of several oxides can overcome the above-mentioned deficiencies. Chinese patent application CN101362925B discloses a compound polishing powder for polishing optical elements and its preparation method and polishing process. There are 0.5 to 3 parts of chromium trioxide and 1.0 Part of aluminum oxide, but the wear resistance of this composite polishing powder can not reach the polishing requirements of jade; Chinese patent CN103923569B discloses a kind of preparation method of jadeite polishing powder, which is characterized in that the mass percent Add 12%~26% cerium chloride, 20%~32% zirconium oxychloride in water, then add 15%~30% aluminum oxide, 8%~15% silicon nitride, 2%~ 6% chromium trioxide, 0.5%~3% dispersant,

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] (1) Preparation of liquid A: In the reactor, add deionized water: 56 mL, acetic acid: 8 mL, 8-hydroxyquinoline: 12 g, sodium tartrate: 1 g, stir and dissolve, then add nano-aluminum nitride: 12g, α-Al 2 o 3 : 13g, stirred and reacted for 3h to obtain liquid A;

[0024] (2) Preparation of liquid B: In the reactor, add deionized water: 65 mL, zirconium oxychloride: 25 g, ferric chloride: 4 g, cobalt chloride: 6 g, stir and dissolve to prepare liquid B;

[0025] (3) Preparation of the complex: under stirring, add 45 mL of liquid B to 50 mL of liquid A, continue to stir, add ammonia water to adjust the pH between 6.5 and 7.0, react for 1 h, separate solid and liquid, wash with water until medium Properties, after the solid is dried at 105°C, it is calcined at 850°C~900°C for 3 h, after cooling, it is crushed by air flow to obtain a composite, and the particle size of the composite is 1.0~5.0μm;

[0026] (4) Preparation of agate polishing powder: In the grinding machine, ...

Embodiment 2

[0028] (1) Preparation of liquid A: In the reactor, add deionized water: 52 mL, acetic acid: 5 mL, 8-hydroxyquinoline: 8 g, polysodium hexametaphosphate: 0.5 g, stir and dissolve, add nano Aluminum nitride: 18g, α-Al 2 o 3 : 17g, stirred and reacted for 2h to obtain liquid A;

[0029] (2) Preparation of liquid B: In the reactor, add deionized water: 60 mL, zirconium oxychloride: 30 g, ferric chloride: 6 g, cobalt chloride: 4 g, stir and dissolve to prepare liquid B;

[0030] (3) Preparation of the complex: under stirring, add 50 mL of liquid B to 50 mL of liquid A, continue to stir, add ammonia water to adjust the pH between 6.5 and 7.0, react for 2 h, separate solid and liquid, wash with water until medium Properties, after the solid is dried at 105°C, it is calcined at 850°C~900°C for 3 h, after cooling, it is crushed by air flow to obtain a composite, and the particle size of the composite is 1.0~5.0μm;

[0031] (4) Preparation of agate polishing powder: In the grinding ...

Embodiment 3

[0033](1) Preparation of liquid A: In the reactor, add deionized water: 60 mL, acetic acid: 6 mL, 8-hydroxyquinoline: 9 g, sodium tartrate: 0.5 g, stir and dissolve, then add nano-aluminum nitride : 13g, α-Al 2 o 3 : 12g, stirred and reacted for 4h to obtain liquid A;

[0034] (2) Preparation of liquid B: In the reactor, add deionized water: 70 mL, zirconium oxychloride: 20 g, ferric chloride: 5 g, cobalt chloride: 5 g, stir and dissolve to prepare liquid B;

[0035] (3) Preparation of the complex: under stirring, add 40 mL of liquid B to 50 mL of liquid A, continue to stir, add ammonia water to adjust the pH between 6.5 and 7.0, react for 1.5 h, separate solid and liquid, wash with water until medium Properties, after the solid is dried at 105°C, it is calcined at 850°C~900°C for 3 h, after cooling, it is crushed by air flow to obtain a composite, and the particle size of the composite is 1.0~5.0μm;

[0036] (4) Preparation of agate polishing powder: In the grinder, add le...

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Abstract

The invention discloses a method for preparing polishing powder for onyx polishing, which is characterized in that the method has the following process steps: in the reactor, add according to the following composition mass percentage concentration, lead powder: 5-8% , compound: 80~88%, tin oxide: 5~13%, the sum of each component is 100%, turn on the grinder, grind at a speed of 500 rpm for 30~60min, and obtain agate polishing powder, in which the compound Contains nano aluminum nitride, aluminum oxide, zirconium oxide, iron oxide, cobalt oxide. The preparation process is simple, the conditions are easy to control, the production cost is low, and the industrial production is easy. In the polishing process, it has good powder polishing effect, high gloss, no scratches, high flatness, and less powder consumption.

Description

technical field [0001] The invention relates to the technical field of preparation of polishing powder, in particular to a preparation process of polishing powder for onyx polishing and its use in agate polishing. Background technique [0002] Agate is a kind of chalcedony, which can be understood as the crystal mineral of unfinished jade. It has the texture of jade, but not strong. The surface of agate is smooth, while the surface of jade is frosted and smooth. Then you can look at the color. Agate is a crystal, and its light transmission is better than that of jade, so agate shows a bright light and has various colors. It is often a striped block mixed with opal and aphanitic quartz, with a hardness of 6.5-7 degrees, a specific gravity of 2.65, and a quite layered color. Available in translucent or opaque. The original form of trigonal crystal system. It is often dense and massive and forms various structures, such as breast-shaped, grape-shaped, nodular, etc., and th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09G1/02
CPCC09G1/02
Inventor 李慧芝裴梅山卢燕
Owner UNIV OF JINAN
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