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Preparation method of soft optical glass zirconium-based polishing solution

A technology of optical glass and polishing liquid, which is applied in the field of preparation of zirconium-based polishing liquid, can solve the problems of high price, gap, and performance that cannot reach precision glass polishing, etc., and achieve long service life, complete crystal lattice, and fine particle distribution control Effect

Active Publication Date: 2014-06-25
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] As far as the country is concerned, the polishing liquid used for the precision processing of optical instrument glass components is mainly zirconia polishing liquid, and most of them rely on imports, which are expensive
There are very few domestic zirconia polishing liquid products and manufacturers, and there is a considerable gap with foreign products in terms of product quality and market share, and the performance cannot meet the requirements of precision glass polishing.

Method used

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  • Preparation method of soft optical glass zirconium-based polishing solution

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment 1: the formula is shown in Table 1, and is completed by the following process steps during preparation:

[0030] 1. The zirconia polishing powder obtained by calcining zirconium oxychloride at 950°C for 5 hours, zirconium carbonate powder, ferric oxide powder, grinding aids triethanolamine, glycerol, and ethylene glycol are mixed according to the proportion, add water and stir Evenly, put it into a planetary gear ball mill, ball mill for 3.5 hours to become a uniform slurry, and use a particle size analyzer to measure its particle size up to the standard;

[0031] 2. Add anticoagulant polyacrylic acid to the ground slurry and stir it for 15 minutes to completely dissolve it;

[0032] 3. Adjust the pH of the polishing solution to 4.75 with dilute hydrochloric acid, and quantify the abrasive to a solid content of 25% with deionized water and stir evenly.

Embodiment 2

[0033] Embodiment 2: the formula is shown in Table 1, and is completed by the following process steps during preparation:

[0034] 1. The zirconia polishing powder obtained by calcining zirconium carbonate at 850°C for 4 hours, zirconium carbonate powder, ferric oxide powder, grinding aid triethanolamine, glycerol, polyethylene glycol are mixed according to the proportion, add water and stir well , put it into a planetary gear ball mill, ball mill for 4 hours to become a uniform slurry, and use a particle size analyzer to measure its particle size up to standard;

[0035] 2. Add the anticoagulant polyacrylamide to the ground slurry and stir it for 20 minutes to completely dissolve it;

[0036] 3. Use dilute hydrochloric acid to adjust the pH of the polishing solution to 5.5, and deionized water to quantify the abrasive to a solid content of 25% and stir evenly.

Embodiment 3

[0037] Embodiment 3: the formula is shown in Table 1, and is completed by the following process steps during preparation:

[0038] 1. The zirconia polishing powder obtained by calcining zirconium carbonate at 800°C for 4 hours, zirconium carbonate powder, ferric oxide powder, grinding aids triethanolamine, glycerin, ethylene glycol, and polyethylene glycol are mixed according to the ratio, Add water and stir evenly, put it into a planetary gear ball mill, ball mill for 4 hours to become a uniform slurry, and use a particle size analyzer to measure its particle size to meet the standard;

[0039] 2. Add anticoagulant acrylic acid to the ground slurry and stir it for 20 minutes to completely dissolve it;

[0040] 3. Adjust the pH of the polishing solution to 4.75 with dilute hydrochloric acid, and quantify the abrasive to a solid content of 27% with deionized water and stir evenly.

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Abstract

The invention discloses a soft optical glass zirconium-based polishing solution and belongs to the field of machining of high-grade optical instruments. The polishing solution provided by the invention mainly consists of a zirconium source polishing material, a red powder polishing material, a polishing aid, an anticoagulant, a pH regulating agent and deionized water. The polishing solution disclosed by the invention is acidic, high in polishing speed and good in polishing effect; the surface of polished glass is clean and bright; no scratches are left in the surface of the polished glass; no 'Arabi' phenomenon is generated to the surfaces of glass optical lenses; and the surface of the polished glass is free of stains and dirt residues. The polishing solution disclosed by the invention has low requirements on operability during use, is low in polishing cost, nontoxic or low-toxicity to environment, friendly to the environment and free of new pollution, does not causes excess resource consumption and is safe to use. The polishing liquid disclosed by the invention is high in polishing efficiency which is above 95% and can be used for replacing an imported ZOX-N zirconium oxide polishing solution, and the cost is only 1 / 3-1 / 5 of that of the imported polishing solution.

Description

technical field [0001] The invention belongs to the preparation technology of polishing materials, and in particular relates to a preparation technology of zirconium-based polishing liquid suitable for high-grade optical instrument processing field, which can be used for soft optical glass (with an abrasion degree of 200-450). Background technique [0002] Glass polishing refers to the use of chemical or physical methods to remove lines, scratches and some other defects on the glass surface, and to improve the transparency and refractive index of the glass. At present, the material of optical glass in the market is mainly soft material glass with high wear rate. If you want to use ordinary iron oxide, aluminum oxide, silicon oxide or rare earth polishing fluid, or the glass surface will be polished with low efficiency, leaving spots, The surface of the glass is grayed, the brightness is poor, the consequences of unclean polishing, or serious scratches and pits, etc., and the...

Claims

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Application Information

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IPC IPC(8): C03C15/02
Inventor 梅燕聂祚仁王文琮孙何甘延玲
Owner BEIJING UNIV OF TECH