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Polishing solution for barium fluoride crystals

A technology of polishing liquid and barium fluoride, which is applied in the field of polishing liquid, can solve problems such as poor polishing effect, loss of polishing ability, and high specificity of polishing powder, so as to avoid poor polishing effect, increase suspension effect, and stabilize suspension performance Effect

Inactive Publication Date: 2019-12-31
合肥嘉东光学股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the process of preparing the polishing liquid, due to the large proportion of the polishing powder, it is easy to precipitate and lose the polishing ability, thereby greatly affecting the polishing effect. In addition, barium fluoride is easy to deliquescence, which will also lead to poor polishing effect after polishing with the polishing liquid. Good; therefore, there is an urgent need to provide a polishing liquid suitable for barium fluoride crystals

Method used

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  • Polishing solution for barium fluoride crystals

Examples

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Effect test

Embodiment 1

[0016] A polishing solution for barium fluoride crystals, the raw materials of which include by weight: 140 parts of aluminum oxide, 35 parts of suspending agent, and 8000 parts of water; wherein, the suspending agent is glycerol and talcum powder.

Embodiment 2

[0018] A polishing solution for barium fluoride crystals, the raw materials of which include by weight: 160 parts of aluminum oxide, 25 parts of suspending agent, and 15,000 parts of water; wherein, the suspending agent is glycerol and talcum powder;

[0019] Wherein, the weight ratio of glycerol and talcum powder is 4:1;

[0020] The particle size of alumina is ≤0.5μm;

[0021] The density of the polishing liquid for barium fluoride crystal is 1.017g / cm 3 .

Embodiment 3

[0023] A polishing solution for barium fluoride crystals, its raw materials include by weight: 145 parts of aluminum oxide, 32 parts of suspending agent, and 13000 parts of water; wherein, the suspending agent is glycerol and talcum powder;

[0024] Wherein, the weight ratio of glycerol and talcum powder is 6:1;

[0025] The particle size of alumina is ≤0.5μm;

[0026] The density of the polishing liquid for barium fluoride crystal is 1.013g / cm 3 .

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Abstract

The invention discloses a polishing solution for barium fluoride crystals. The polishing solution comprises the raw materials in parts by weight: 140-160 parts of aluminum oxide, 25-35 parts of a suspending agent and 8000-15000 parts of water, wherein the suspending agent is glycerol and talcum powder. The proper suspending agent is selected, has strong suspending capacity on aluminum oxide, doesnot generate chemical reaction with barium fluoride, and does not block micropores of a polishing material, so that the polishing solution has good polishing capacity on the barium fluoride crystals.

Description

technical field [0001] The invention relates to the technical field of polishing fluids, in particular to a polishing fluid for barium fluoride crystals. Background technique [0002] The optical crystal barium fluoride is traditionally polished by the classical method, the polishing efficiency is low, and the upper and lower plates are prone to movement damage. Due to the characteristics of the equipment, high-speed polishing has a fast polishing speed and can be processed in a single piece, which can reduce the movement damage caused by the upper and lower plates and improve the polishing efficiency at the same time. However, barium fluoride crystals are different from glass materials. Soft and brittle, it is prone to fine scratches when processed by high polishing method. Appropriate polishing materials can avoid the above problems. [0003] In the process of preparing the polishing liquid, due to the large proportion of the polishing powder, it is easy to precipitate a...

Claims

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Application Information

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IPC IPC(8): C09G1/02
CPCC09G1/02
Inventor 胡卫东王海波杨利涛李远航
Owner 合肥嘉东光学股份有限公司
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