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A kind of composite polishing liquid for blue glass filter and preparation method thereof

A compound polishing and optical filter technology, which is applied in the direction of polishing compositions containing abrasives, etc., can solve the problems of time-consuming and material-consuming, low pass-through rate of blue glass processing, and expensive machine investment, etc., to achieve high polishing efficiency, Improve polishing efficiency and surface quality, and the effect of polishing and cleaning

Active Publication Date: 2021-06-11
青岛福禄泰科表面材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally, a flat double-sided polishing machine is used for polishing. Since the Mohs hardness of rare earth oxides is usually between 4-6, and the hardness of blue glass is between 5-7, the processing is time-consuming and material-intensive, and because it is a two-step method, It needs to be fully cleaned in the middle, resulting in a very low pass rate of blue glass processing, and the investment in the machine is also expensive.

Method used

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  • A kind of composite polishing liquid for blue glass filter and preparation method thereof
  • A kind of composite polishing liquid for blue glass filter and preparation method thereof
  • A kind of composite polishing liquid for blue glass filter and preparation method thereof

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Embodiment Construction

[0033] The technical solutions in the embodiments of the present invention will be apparent from the drawings in the embodiment of the present invention.

[0034] The present invention provides a composite polishing solution for a blue glass filter comprising aluminum hydroxide, zirconium hydroxide, and silica sol, and liquid base, surfactant, defoamer, and water.

[0035] The present invention also provides a method for preparing a composite polishing fluid for a blue glass filter, comprising the steps of:

[0036] (1) Add mass ratio of 5% deionized water in the reaction kettle, adding mass ratio of 40% aluminum hydroxide (γ-Al (OH) 3 Or γ-AlOOH or α-Al (OH) 3 After stirring 20 min, the control specific gravity is between 1.1-1.2, and the mass ratio of 30% is slowly added, and the mass ratio is 20% silica sol after stirring, and the mass ratio is 5% carboxus. Methylcellulose and polyethylene glycol are used as a fusion agent, stirred, warmed to 50-80 ° C for 1 hour.

[0037] (2) ...

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Abstract

The invention discloses a composite polishing solution for blue glass filters and a preparation method thereof. The composite polishing solution includes aluminum hydroxide, zirconium hydroxide and silica sol, liquid caustic soda, surfactant, defoaming agent and water. The preparation method adopts aluminum hydroxide, zirconium hydroxide and silica sol through high-energy ball milling, drying granulation, calcining, high-energy ball milling, and high-energy dispersion to form dispersed materials, and then adds liquid caustic soda, surfactants, defoamers and water to make a stable composite polishing liquid system, the composite polishing liquid disclosed by the invention realizes the cutting rate of rough polishing and the surface quality of fine polishing while polishing in one step, the process is simple, the cost is saved, and the discharge of cleaning agent sewage can be reduced. Has very good environmental benefits.

Description

Technical field [0001] The present invention relates to a glass polishing liquid, and more particularly to a composite polishing liquid for a blue glass filter and a preparation method thereof. Background technique [0002] Blue glass infrared cut filter is widely used in high-pixel mobile phone camera modules, monitors digital imaging areas such as lenses, and is used to block infrared light on CCS / CMOS imaging, eliminate ghosts and spot. Compared to ordinary white glass infrared cutoff filters, the use of blue glass filter is more clear, and the photosensitive effective angle can reach 30 °. [0003] Blue glass is a blue glass material as a raw material (ordinary filter is general optical glass), and its efficacy is to filter infrared light by "absorbing". Since the blue wavelength has a higher penetration rate, there is better penetration than the red orange glass filter, which can be filtered with an infrared light of 630 nm or more (but allowed to pass the remaining light ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09G1/02
CPCC09G1/02
Inventor 颜刚杨金
Owner 青岛福禄泰科表面材料科技有限公司
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