High-wear-resistant transformer insulation paper
A transformer and insulating paper technology, applied in the field of transformers, to achieve the effect of simple preparation method, uniform distribution, and excellent wear resistance
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[0013] An insulating paper for high wear-resistant transformers, prepared from the following parts by weight (kg) of raw materials: nano titanium dioxide 10, nano silicon dioxide 3, phenolic resin 2, pulp board 500, sodium carboxymethyl cellulose 1, Mongolia De-stone 2.4, polypropylene fiber 4.5, trihydroxy polyether 0.5, 1,3 dimethyl imidazolinone 0.3, calcium molybdate 1.2, deionized water.
[0014] The insulating paper for high wear-resistant transformers is prepared by the following specific steps:
[0015] (1) Dry nano-titanium dioxide and nano-silica in an oven at 100°C for 30 minutes, add to 0.5Wt% silane coupling agent kh550 absolute ethanol solution after cooling, and then reflux and condense the solution, after taking it out Dry and mill for use;
[0016] (2) Mix the phenolic resin with a solid content of 15% and the product prepared in step (1) uniformly, and then stir and react for 0.5h when heated to 80°C, keep the temperature at a constant temperature, and add polyprop...
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