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Environmental-friendly diamond grinding liquid and preparation process thereof

A preparation process and diamond technology, applied in polishing compositions containing abrasives, etc., can solve the problems of difficult to achieve technological breakthroughs, and achieve the effects of high control accuracy, high grinding efficiency and good thermal stability

Inactive Publication Date: 2018-01-19
SHANDONG ZHONGSHAN PHOTOELECTRIC MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to problems in market space, technology and raw materials in China, it is difficult to achieve technological breakthroughs
And at present, due to insufficient technology accumulation and limitations of raw materials, domestic high-end abrasives still have a large gap in quality stability, environmental protection performance, etc., and continuous technological improvement is needed

Method used

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  • Environmental-friendly diamond grinding liquid and preparation process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Example 1: The weight percentage of each component of the grinding fluid is abrasive: solvent: emulsifier: thickener: suspending agent=0.4wt%: 86.9wt%: 4.3wt%: 4wt%: 4.3wt%; among them, diamond The powder is 6-12μm polycrystalline diamond micropowder; the solvent is isododecane: alkylbenzene=95.4wt%: 4.6wt%; the emulsifier system is SPAN65: lauryl alcohol polyoxyethylene ether=53.5wt%: 46.5wt %; thickener is polyisobutylene 2400; suspending agent is paraffin 98-103#: epoxy resin E51=45.5wt%: 54.5wt%.

Embodiment 2

[0033] Example 2: The weight percentage of each component of the grinding fluid is abrasive: solvent: emulsifier: thickener: suspending agent=0.5wt%: 87.2wt%: 4wt%: 5wt%: 3wt%; among them, diamond powder is 6-12μm polycrystalline diamond powder; solvent is dodecane: alkylbenzene=90.9wt%: 9.1wt%; emulsifier is SPAN65: polyoxyethylene laureth=87.5wt%: 12.5wt%; increase Thickening agent is polyisobutylene 2400; suspending agent is epoxy resin E51.

Embodiment 3

[0034] Example 3: The weight percentage of each component of the grinding fluid is abrasive: solvent: emulsifier: thickener: suspending agent = 0.5wt%: 87.1wt%: 4.37wt%: 5wt%: 2.83wt%; among them, diamond The powder is 6-12μm polycrystalline diamond micropowder; the solvent is isododecane: heat transfer oil KD320=96.2wt%: 3.8wt%; the emulsifier is SPAN65: DPMA=57.2wt%: 42.8wt%; the thickener is Polyisobutylene 2400; suspending agent is C9 petroleum resin: styrene butadiene rubber SBS=85.8wt%: 14.2wt%.

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Abstract

The invention relates to environmental-friendly diamond grinding liquid and a preparation process thereof. The environmental-friendly diamond grinding liquid is characterized by being prepared from the following components in percent by weight: 0.1-20wt% of grinding material, 60-99wt% of solvent, 1-20wt% of emulsifying agent, 1-20wt% of thickening agent and 1-20wt% of suspending agent, wherein thegrinding material contains at least one of polycrystalline diamond micropowder, polycrystalline-like diamond micropowder and monocrystalline diamond micropowder; the solvent contains at least one ofnaphtha, white oil, alkylbenzene and isoparaffin; the emulsifying agent contains at least one of an alkylphenol-series emulsifying agent, a benzenesulfonic-acid-series emulsifying agent, a polyoxyethylene-ether-series emulsifying agent and a sorbitol-series emulsifying agent; the thickening agent contains at least one of olefins polymer and silicon-alkane polymer; the suspending agent contains atleast one of paraffin series, epoxy resin, C9 petroleum resin and butadiene styrene rubber SBS. The environmental-friendly diamond grinding liquid is prepared by the steps of dissolving, stirring, dispersing, coating, emulsifying, disaggregating, reverse treatment, cooling and converting. The environmental-friendly diamond grinding liquid has the advantages of wide working-temperature range, longstability time and stable-controllable grinding speed and the like.

Description

Technical field [0001] The invention relates to the technical field of diamond grinding liquid, in particular to an environment-friendly diamond grinding liquid and a preparation process thereof. Background technique [0002] Diamond is the hardest material in nature. It is widely used in the cutting and grinding of ceramics, silicon single crystals, sapphire, titanium alloys, high-silicon aluminum alloys, carbon fibers and other difficult-to-machine materials. Diamond slurry is a way for diamond to be used in finishing. [0003] Diamond slurry is mainly used in the polishing process of LED / TFT / IC, advanced optical lens, optical fiber, hard disk head, etc. Diamond slurry of different particle size has different polishing efficiency and polishing effect. Large particles have high grinding efficiency, but the polishing effect is not good, leaving heavy scratches. The polycrystalline diamond powder synthesized by explosive method is an instantaneously synthesized polycrystalline fo...

Claims

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Application Information

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IPC IPC(8): C09G1/02
Inventor 杜曰强王本盼朱晓雅刘国栋方治文
Owner SHANDONG ZHONGSHAN PHOTOELECTRIC MATERIAL CO LTD
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