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The invention relates to an insulation material and a preparing method, in particular to a composite insulation material and a preparing method. The surface of a ceramic assembly is wrapped by a high-voltage insulation polytetrafluoroethylene layer with the wrapping thickness ranging from 10 micrometers to 50 micrometers. The composite insulation material and the preparing method have the advantages that super hydrophobicity is achieved, and the composite insulation material can withstand high temperature higher than 260 DEGC and is resistant to impact and the like; the hydrophobicity and the non-adhesion performance of the surface of insulation ceramic are improved so that liquid attached to the surface can be collected into liquid drops and drip, a liquid membrane cannot be formed, a conductive path is not broken off, and thus it is achieved that the short circuit phenomenon does not occur in electrifying tests of the insulation ceramic in the severe states of splashing water drops and the like, and the problem of equipment halt due to the short circuit of ceramic is solved.
The invention relates to an insulation material and a preparing method, in particular to a composite insulation material and a preparing method. The surface of a ceramic assembly is wrapped by a high-voltage insulation polytetrafluoroethylene layer with the wrapping thickness ranging from 10 micrometers to 50 micrometers. The composite insulation material and the preparing method have the advantages that super hydrophobicity is achieved, and the composite insulation material can withstand high temperature higher than 260 DEGC and is resistant to impact and the like; the hydrophobicity and the non-adhesion performance of the surface of insulation ceramic are improved so that liquid attached to the surface can be collected into liquid drops and drip, a liquid membrane cannot be formed, a conductive path is not broken off, and thus it is achieved that the short circuit phenomenon does not occur in electrifying tests of the insulation ceramic in the severe states of splashing water drops and the like, and the problem of equipment halt due to the short circuit of ceramic is solved.
High-voltage insulation polytetrafluoroethylene ceramic for electrostatic purifier and preparing method of high-voltage insulation polytetrafluoroethylene ceramic
CAI YUKUN (author)
2015-12-30
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
Method of preparing polytetrafluoroethylene articles
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