PBT material with epoxy resin cohesiveness for ignition coil and preparation method of PBT material
An epoxy resin and ignition coil technology, applied in the preparation of microspheres, microcapsule preparations, etc., can solve the problems of reduced encapsulation efficiency, difficult to control the curing process of epoxy resin viscosity changes, and achieve excellent interface bonding effect.
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[0024] Weighing: 70 kg of PBT, 18 kg of cardanolamine, 18 kg of polyvinyl alcohol microspheres, 6 kg of sodium dodecyl sulfonate, 6 kg of gelatin, 9 kg of carbon nanotubes, 2 kg of zinc stearate, antioxidant Agent 245 2 kg.
[0025] Specific steps are as follows:
[0026] (1), preparation of microcapsule curing agent:
[0027] ①. Under stirring conditions, add 0.5wt% gelatin aqueous solution and 0.5wt% sodium dodecylsulfonate aqueous solution, and disperse for 40 minutes under mechanical stirring at 800 rpm to obtain an aqueous phase;
[0028] 2. In the dichloromethane solvent, add cardanolamine and polyvinyl alcohol microspheres, and disperse evenly in an ultrasonic instrument to obtain an oil phase, and gradually add the water phase prepared in step 1 into the oil phase;
[0029] ③. Stir and emulsify the mixed solution for 60 minutes, raise the reaction temperature to 32°C and stir for 4 hours, then raise the temperature to 43°C and stir for more than 4 hours. After the so...
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