Resin-rich epoxy glass powder mica tape
A technology of adhesive epoxy glass, powder mica tape, applied in mica, winding insulation materials, insulators and other directions, can solve the problems of poor quality stability of less tape, complex process requirements, large one-time investment, etc., to improve the performance of cured products, The effect of improving processing efficiency and reducing energy consumption
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[0018] Example 1
[0019] 1. Preparation of adhesive
[0020] Combine 10 parts of bisphenol A epoxy resin (E44 of Bluestar Company), 5 parts of silicone modified epoxy resin (R-33 of Jiaxing Rongtai Plastic Company), and 15 parts of phenolic epoxy resin (F44 of Bluestar Company). Parts, 20 parts of bismaleimide tung oil acid anhydride, 10 parts of methylhexahydrophthalic anhydride, 0.6 parts of cerium acetylacetonate Ce salt, 20 parts of toluene, and 20 parts of acetone. Mix together and get it.
[0021] 2. The production of mica tape
[0022] Put two layers of alkali-free glass cloth for electricians (quantity 20g / m 2 ), the glue is applied by scraping or dipping at room temperature, and the middle compound 501 paper (the basis weight is 85g / m 2 ), control the glue content between 36-42wt% to obtain a three-in-one compound, bake the three-in-one compound at a temperature of 100-130℃ for about 5-10 minutes, and control the volatile content below 1.5% , After winding and cutting, the...
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[0023] Example 2
[0024] 1. Preparation of adhesive
[0025] Combine 15 parts of bisphenol A epoxy resin (DER337 of DOW), 5 parts of silicone modified epoxy resin (R-3 of Jiaxing Rongtai Plastic Company), 4 parts of phenolic epoxy resin (DER431 of DOW), 30 parts of bismaleimide tung oil anhydride, 6 parts of methylnadic anhydride, 0.5 parts of neodymium triacetylacetonate, 2 parts of diethoxydimethylsilane, 20 parts of toluene, and 20 parts of acetone. Mix together and get it.
[0026] 2. The production of mica tape
[0027] Put two layers of alkali-free glass cloth for electricians (quantity 18g / m 2 ), the glue is applied by scraping or dipping at room temperature, and the middle compound 501 paper (the basis weight is 85g / m 2 ), control the glue content between 36% and 42% to obtain a three-in-one composite, and bake the three-in-one composite at a temperature of 100-130℃ for about 5-10 minutes, and control the volatile content below 1.5% After winding and cutting, the low-temper...
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