Efficient boron carbide grinding fluid and method for preparing same

A boron carbide and grinding fluid technology, which is applied in the field of high-efficiency boron carbide grinding fluid and its preparation, can solve the problems of long processing time of boron carbide grinding fluid, increased machine and labor costs, and high processing difficulty, so as to reduce processing costs and improve Service life, the effect of increasing the grinding rate

Inactive Publication Date: 2016-04-20
HUNAN HAOZHI TECH
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Problems solved by technology

[0003] In the sapphire processing industry, A-direction and M-direction sapphires are more difficult to process than C-direction sapphires. Generally, the processing time of boron carbide abrasives is long, the removal rate is low, and the mechanical loss is large, which increases the cost of machines and labor.

Method used

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  • Efficient boron carbide grinding fluid and method for preparing same

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Embodiment Construction

[0027] Below in conjunction with embodiment, the present invention will be further described. The following description is by way of example, but the protection scope of the present invention should not be limited thereto.

[0028] The following Table 1 provides 10 groups of examples, and the data in the table are parts by weight of raw materials used.

[0029] Each embodiment in table 1, its preparation steps are as follows:

[0030] A. First, clean the boron carbide micropowder with pure water for 2-3 times, wash away impurity ions, and filter dry to obtain boron carbide micropowder;

[0031] B. Mix the dried boron carbide micropowder with the base liquid evenly, filter with a 400-mesh sieve, remove large particles of impurities, and obtain a mixed liquid;

[0032] C. Add a dispersant and an anti-sedimentation agent to the mixed solution, put it into a closed high-speed dispersion tank, and disperse for 5 minutes at a speed of 1100 rpm to obtain an initial mixed solution; ...

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Abstract

The invention discloses efficient boron carbide grinding fluid and a method for preparing the same, and relates to the field of technologies for grinding sapphire. The efficient boron carbide grinding fluid comprises, by weight, 5-25 parts of boron carbide micro-powder, 1-2 parts of dispersing agents, 0.5-1 part of water-based thickeners, 0.5-1 part of anti-settling agents, 0.5-5 parts of synergists, 0.5-1 part of antirust agents and 65-92 parts of substrate fluid. The substrate fluid can be one of pure water, isopropyl alcohol and polyhydric alcohol or a mixture of the pure water, the isopropyl alcohol and the polyhydric alcohol, and various components of the substrate fluid have equal weight parts or other proportions when the substrate fluid comprises the mixture of the pure water, the isopropyl alcohol and the polyhydric alcohol. The efficient boron carbide grinding fluid and the method have the advantages that the efficient boron carbide grinding fluid is long in service life, good in stability and applicable to rough grinding for processing sapphire wafers, the A-direction and M-direction sapphire grinding rates can be increased, processed products are good in surface flatness, and the like.

Description

technical field [0001] The invention relates to the technical field of sapphire grinding, in particular to a high-efficiency boron carbide grinding liquid and a preparation method thereof. Background technique [0002] Sapphire glass, similar to corundum, has a hardness of 9. Its advantages are higher hardness than ordinary glass, good thermal properties, excellent electrical and dielectric properties, and chemical corrosion resistance. It is resistant to high temperature and conducts heat. Good, high hardness, infrared transmission, and good chemical stability. Therefore, it is often used to replace other optical materials to make optical elements, infrared optical windows, etc. It is widely used in infrared and far infrared military equipment, and is used to make high-grade The mirror of the watch and the touch screen of the mobile phone. [0003] In the sapphire processing industry, A-direction and M-direction sapphires are more difficult to process than C-direction sapp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09G1/02C09K3/14
CPCC09G1/02C09K3/1463C09K3/1472
Inventor 谢喜明彭付贵
Owner HUNAN HAOZHI TECH
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