Carbon nanotube containing PCB silver paste and preparation method thereof
A PCB circuit board and carbon nanotube technology, which is applied in the manufacture of circuits, printed circuit components, cables/conductors, etc., can solve the problems of scrapped conductive lines, falling off of conductive lines, melting of glass phase, etc., so as to save consumption and not easily break , easy sintering effect
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[0017] A silver paste for PCB circuit boards containing carbon nanotubes, made of the following raw materials in parts by weight (kg): ultrafine silver powder 60, silver-coated glass powder 15, aluminum stearate 1.5, glass powder 9, ethylene dioleic acid Amide 1.5, non-drying alkyd resin 9, polyurethane resin 2.5, ethyl acetate 5, diisobutyl ketone 4, butyl carbitol acetate 4, ethanol 4, linseed oil 0.6, carbon nanotubes 5, grape Seed oil 0.4, simethicone 0.4;
[0018] The glass powder is made of the following raw materials in parts by weight (kg): SiO2 11, V2O5 17, Sb2O3 6, fumed alumina 3, activated alumina 17, P2O5 5, anoxic cerium oxide 4, MgO2.5, Four-needle zinc oxide whisker 3; the preparation method is: mix SiO2, V2O5, Sb2O3, gas-phase aluminum oxide, activated alumina, P2O5, anoxic cerium oxide, and MgO, put them into a crucible, and heat and melt at 1300 ° C to form Liquid, then add four-needle zinc oxide whiskers, stir evenly, and then carry out vacuum defoaming, t...
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