CORONA DISCHARGE-RESISTANT INSULATING VARNISH COMPOSITION COMPRISING SURFACE-TREATED SILICA AND INSULATED WIRE HAVING INSULATED LAYER FORMED USING THE SAME
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United States of America Patent
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Issued Date -
Oct 4, 2012
app pub date -
Mar 28, 2012
filing date -
Mar 31, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed is an insulating varnish composition including polyamideimide resin and 1 to 40 parts by weight of surface-treated silica in a sol state per 100 parts by weight of the polyamideimide resin. An insulated layer formed using the insulating varnish composition may have excellent corona discharge resistance, thereby preventing the insulation breakdown.
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