High-conductivity and breakdown-resistant capacitor and method for preparing same
A technology of breakdown resistance and capacitors, which is applied in the field of capacitors, can solve problems such as poor breakdown resistance and affect the service life of capacitors, and achieve the effects of improving breakdown resistance, heat resistance, and excellent chemical resistance
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Embodiment 1
[0023] The present invention of this embodiment provides a high-conductivity breakdown-resistant capacitor, including a dielectric base film, the dielectric base film is wound into an end face of a core, the end face of the core is covered with a breakdown-resistant film, and the capacitor is also Includes filler and shell.
[0024] The preparation method of the anti-puncture film of this embodiment is:
[0025] Step 1: Weighing of raw materials: 40 parts of cardanol glycidyl ether, 20 parts of high-density polyethylene, 10 parts of nano-modified diatomaceous earth, 5 parts of hydroxypropyl starch, 3 parts of poly(sebacic acid-glycerol) ester ;
[0026] In step 2, cardanol glycidyl ether, high-density polyethylene, and poly(sebacic acid-glycerol) ester are heated up to 105° C., kept for 35-45 minutes, and then nano-modified diatomaceous earth and hydroxypropyl starch are added thereto to The raw materials are fully mixed, the stirring speed is 110-1250r / min, the stirring tim...
Embodiment 2
[0035] The present invention of this embodiment provides a high-conductivity breakdown-resistant capacitor, including a dielectric base film, the dielectric base film is wound into an end face of a core, the end face of the core is covered with a breakdown-resistant film, and the capacitor is also Includes filler and shell.
[0036] The preparation method of the anti-puncture film of this embodiment is:
[0037] Step 1: Weighing of raw materials: 50 parts of cardanol glycidyl ether, 30 parts of high-density polyethylene, 20 parts of nano-modified diatomaceous earth, 9 parts of hydroxypropyl starch, 5 parts of poly(sebacic acid-glycerol) ester ;
[0038] Step 2: Raise the temperature of cardanol glycidyl ether, high-density polyethylene, and poly(sebacic acid-glycerol) ester to 115° C., keep it warm for 45 minutes, and then add nano-modified diatomite and hydroxypropyl starch to it until the raw materials are fully Mixing, stirring speed 1250r / min, stirring time 55min, to obt...
Embodiment 3
[0047] The present invention of this embodiment provides a high-conductivity breakdown-resistant capacitor, including a dielectric base film, the dielectric base film is wound into an end face of a core, the end face of the core is covered with a breakdown-resistant film, and the capacitor is also Includes filler and shell.
[0048] The preparation method of the anti-puncture film of this embodiment is:
[0049] Step 1: Weighing of raw materials: 45 parts of cardanol glycidyl ether, 25 parts of high-density polyethylene, 15 parts of nano-modified diatomaceous earth, 7 parts of hydroxypropyl starch, 4 parts of poly(sebacic acid-glycerol) ester ;
[0050] Step 2: Raise the temperature of cardanol glycidyl ether, high-density polyethylene, and poly(sebacic acid-glycerol) ester to 110°C, keep it warm for 40 minutes, and then add nano-modified diatomaceous earth and hydroxypropyl starch to it until the raw materials are fully Mixing, the stirring speed is 1200r / min, and the stirr...
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Abstract
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