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Aqueous diamond grinding fluid with continuously suspending abrasives and preparation method thereof

A diamond and grinding liquid technology, applied in the field of water-based diamond grinding liquid, can solve the problems of time-consuming and labor-intensive use, reduce the convenience of using the grinding liquid, and cumbersome processes, and achieve the effects of simple preparation process, enhanced bonding force, and improved use convenience

Active Publication Date: 2016-03-30
ZHENGZHOU RES INST FOR ABRASIVES & GRINDING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Before using the grinding liquid, it usually needs to be shaken again to disperse the diamond abrasive that has settled at the bottom of the container bottle. The process is cumbersome, time-consuming and laborious, and this process greatly reduces the convenience of using the grinding liquid.

Method used

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  • Aqueous diamond grinding fluid with continuously suspending abrasives and preparation method thereof
  • Aqueous diamond grinding fluid with continuously suspending abrasives and preparation method thereof

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Effect test

Embodiment 1

[0021] In the present embodiment, the water-based diamond grinding liquid in which the abrasive is continuously suspended is composed of the following components in parts by mass: 0.1 part of diamond abrasive (particle size M0 / 0.5, purity 99.5%), nonylphenol polyoxyethylene ether (surface modifier , 0.005 parts each of NP-6 and NP-9, analytically pure) 0.01 part, 1 part of N-methylpyrrolidone (suspension agent, purity 95%) of modified polyurea, N-methylpyrrolidone (analytical pure) 1 part Parts, 30 parts of ethylene glycol (analytical pure), 67.89 parts of deionized water (TDS value less than 0.03mg / L).

[0022] The preparation method of the water-based diamond grinding liquid in which the abrasive is continuously suspended comprises the following steps: accurately taking each component according to the mass fraction, adding nonylphenol polyoxyethylene ether into the diamond abrasive, stirring and ultrasonically dispersing for 10 minutes, ultrasonic power 500W, frequency 40KHz...

Embodiment 2

[0024] In the present embodiment, the water-based diamond grinding liquid in which the abrasive is continuously suspended is composed of the following components in parts by mass: 0.5 part of diamond abrasive (particle size M5 / 10, purity 99.5%), octylphenol polyoxyethylene ether (surface modifier , OP-6 and OP-9 each get 0.25 parts, analytically pure) 0.5 parts, modified polyurea N-methylpyrrolidone (suspending agent, purity 95%) 2 parts, N-methylpyrrolidone (analytical pure) 2 Parts, polyethylene glycol (analytical grade) 40 parts, deionized water (TDS value is less than 0.03mg / L) 55 parts.

[0025] The preparation method of the water-based diamond grinding liquid in which the abrasive is continuously suspended comprises the following steps: accurately taking each component according to the mass fraction, adding octylphenol polyoxyethylene ether to the diamond abrasive, stirring and ultrasonically dispersing for 15 minutes, ultrasonic power 600W, frequency 40KHz; then add pol...

Embodiment 3

[0027] The water-based diamond grinding liquid in which the abrasive is continuously suspended in the present embodiment is composed of the following components in parts by mass: 2 parts of diamond abrasive (particle size M20 / 30, purity 99.5%), nonylphenol polyoxyethylene ether (surface modifier , 0.5 parts each of NP-6 and NP-15, 1 part of analytically pure), 3 parts of N-methylpyrrolidone (suspending agent, purity 95%) of modified polyurea, 3 parts of N-methylpyrrolidone (analytical pure) Parts, polyethylene glycol (analytical grade) 50 parts, deionized water (TDS value is less than 0.03mg / L) 41 parts.

[0028] The preparation method of the water-based diamond grinding liquid in which the abrasive is continuously suspended comprises the following steps: accurately taking each component according to the mass fraction, adding nonylphenol polyoxyethylene ether into the diamond abrasive, stirring and ultrasonically dispersing for 10 minutes, ultrasonic power 800W, frequency 40KH...

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Abstract

The present invention discloses an aqueous diamond grinding fluid with continuously suspending abrasives and a preparation method thereof, and belongs to the technical field of precision and ultra precision grinding processing. The grinding fluid comprises the following components in parts by weight: 0.1-5 parts of diamond abrasives, 0.01-2 parts of alkylphenol polyoxyethylene ether, 1-5 parts of modified polyurea N-methylpyrrolidone, 1-5 parts of N-methylpyrrolidone, 30-60 parts of an organic solvent, and 23-67.89 parts of water. According to the preparation method disclosed by the present invention, by using a surface modifying method, the diamond abrasives are modified by the alkylphenol polyoxyethylene ether, the modified diamond abrasives can be stably adsorbed on a molecular chain of the modified polyurea N-methylpyrrolidone; the bonding force between two is enhanced; meanwhile, by using the spatial network structure of a modified polyurea N-methylpyrrolidone molecule, the diamond abrasives are prevented from settling and aggregating to realize continuous suspending of the diamond abrasives, so that uniformly mixing operation before using the grinding fluid is saved, and the convenience in use is improved.

Description

technical field [0001] The invention relates to a water-based diamond grinding liquid in which abrasives are continuously suspended, and a preparation method of the grinding liquid, belonging to the technical field of precision and ultra-precision grinding. Background technique [0002] In the water-based diamond grinding liquid, due to the joint action of its own gravity and van der Waals force, the diamond abrasive will quickly settle and gather at the bottom of the container in a short time. Before using the grinding liquid, it usually needs to be re-shaken to disperse the deposited diamond abrasive at the bottom of the container bottle. The process is cumbersome, time-consuming and laborious, and this process greatly reduces the convenience of using the grinding liquid. [0003] The patent of invention with the publication number CN101186804A discloses a water-based diamond grinding liquid, mainly composed of diamond micropowder, suspending agent, dispersion stabilizer, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09G1/02C09K3/14
Inventor 王志强方伟豁国燕
Owner ZHENGZHOU RES INST FOR ABRASIVES & GRINDING CO LTD
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