Metallized film for ultrahigh square resistance capacitor
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A technology for metallized films and capacitors, applied in the field of capacitors, can solve the problems of cost waste, film-foil gap, and high scrap rate, and achieve the effects of long service life, stable performance and simple components
Inactive Publication Date: 2015-01-28
TONGLING XINTAI ELECTRIC APP & CAPACITOR
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Since the whole machine in the market is oriented towards ultra-thin and micro-miniature development, although the foil film composite material has a strong current-carrying and electric resistance capability, its disadvantage is that it is large in size and is not conducive to the use of the whole machine. Another disadvantage is that polypropylene film and aluminum foil Composite rolling and other processes ...
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Embodiment 1
[0016] A metallized film for an ultra-high square resistance capacitor, consisting of the following components in parts by weight: 30 parts of metallocene polyethylene, 4 parts of graphene, 4 parts of tetraacicular zinc oxide whiskers, and 4 parts of silicon carbide whiskers , 3 parts of magnesium borate whiskers, 5 parts of low-density polyethylene, 2 parts of hydrogen-containing polysiloxane, 4 parts of styrene-acrylonitrile copolymer, 2 parts of citric acid, 2 parts of polyamide, ethylene-vinyl alcohol copolymer 2 parts, 1.5 parts of tung oil, 2 parts of rare earth oxide, 1.5 parts of magnesium carbonate, 2 parts of hydrophobic white carbon black, 2 parts of epoxy soybean oil, 1.5 parts of di-tert-butyl hydroperoxide, 2 parts of brassin, Ketone 2 parts.
[0017] The preparation method is as follows:
[0018] 1) each component is weighed by the above-mentioned parts by weight;
[0023] A metallized film for an ultra-high square resistance capacitor, consisting of the following components in parts by weight: 35 parts of metallocene polyethylene, 3 parts of graphene, 5 parts of tetraacicular zinc oxide whiskers, and 3 parts of silicon carbide whiskers , 4 parts of magnesium borate whiskers, 4 parts of low density polyethylene, 3 parts of hydrogen-containing polysiloxane, 3 parts of styrene-acrylonitrile copolymer, 3 parts of citric acid, 1 part of polyamide, ethylene-vinyl alcohol copolymer 3 parts, 1 part of tung oil, 3 parts of rare earth oxide, 1 part of magnesium carbonate, 3 parts of hydrophobic silica, 1 part of epoxy soybean oil, 2 parts of di-tert-butyl hydroperoxide, 1 part of brassinolide, cyclohexanol 3 servings of ketones.
[0024] The preparation method is as follows:
[0025] 1) each component is weighed by the above-mentioned parts by weight;
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Abstract
The invention provides a metallized film for an ultrahigh square resistance capacitor. The metallized film is prepared from the following components in parts by weight: 25-35 parts of metallocene polyethylene, 3-5 parts of graphene, 3-5 parts of tetrapod zinc oxide whisker, 3-5 parts of silicon carbide whisker, 2-4 parts of magnesium borate whisker, 4-6 parts of low density polyethylene, 1-3 parts of hydrogen-containing polysiloxane, 3-5 parts of styrene-acrylonitrile copolymer, 1-3 parts of citric acid, 1-3 parts of polyamide, 1-3 parts of ethylene-vinyl alcohol copolymer, 1-2 parts of tung oil, 1-3 parts of rare earth oxide, 1-2 parts of magnesium carbonate, 1-3 parts of hydrophobic white carbon black, 1-3 parts of epoxy soybean oil, 1-2 parts of di-tert-butyl hydroperoxide, 1-3 parts of brassinolide and 1-3 parts of cyclohexanone. The metallized film is simple in the components, is low in cost and is nontoxic and non-corrosive; with the adoption of the metallized film, activity of a film is improved by adding active components such as the brassinolide and the rare earth oxide, and the film can be used for preparing the ultrahigh square metallized film with stable performance and long service life.
Description
technical field [0001] The invention relates to the technical field of capacitors, in particular to a metallized film for an ultra-high square resistance capacitor. Background technique [0002] Biaxially oriented polypropylene film for capacitors has high mechanical and electrical properties. Compared with capacitors made of ordinary films, capacitors made of polypropylene films have low thermal shrinkage, stable performance, high temperature resistance, High voltage resistance, breakdown prevention and other significant advantages make capacitors made of polypropylene film more and more widely used. [0003] The capacitor core is the heart of the capacitor, so the capacitor manufacturing core material must have high frequency resistance, high temperature resistance, and a high-molecular polypropylene film that can withstand the impact of high current as the medium, so as to ensure the long-term and stable operation of the whole machine. Most of the medium used in the prio...
Claims
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