A kind of method for preparing composite solid glue
A technology of solid glue and silica sol, which is applied in the direction of adhesives, adhesive types, adhesive additives, etc., can solve the problems of limited use, heat resistance, etc., and achieve strong reactivity, increased thermal performance, and good curing effects.
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[0018] According to the ratio in Table 1, react hydroxy acrylic resin and epoxy resin at 120°C for 30 minutes to obtain epoxy resin prepolymer; grind aluminum phosphate and mix it with talcum powder as filler.
[0019] Table 1 Raw material quality
[0020] Aluminum phosphate talcum powder Molybdenum oxide Hydroxy Acrylic Resin Bisphenol A type epoxy resin Novolac epoxy resin Embodiment one 100g 120g 20g 100g 480g Embodiment two 100g 130g 30g 100g 320g Embodiment Three 100g 160g 50g 100g 410g Embodiment four 100g 150g 60g 100g 360g Embodiment five 100g 180g 80g 100g 395g
[0021] According to the ratio in Table 2, mix the filler, ethylene glycol butyl ether, and silica sol (solid content is 45%; the particle size of silica is 150-430 nanometers) for 1 hour to obtain a mixture; sequentially mix sodium metaborate, sulfuric acid Add ester dispersant and succinic anhydride to the mixture, stir for ...
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