Epoxy mould material for ceramic forming and its preparation method
An epoxy resin and mold material technology, applied in the field of ceramic industry, can solve the problems of unsuitable molding, such as depression, side slope or small hole, opening ratio, pore size is difficult to control, and thermal process control is complicated, etc. Short molding cycle, no drying, and high surface finish
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Embodiment 1
[0040] Add 50 grams of E-51, 100 grams of glass beads, 0.1 grams of OP emulsifier, 0.15 grams of Tween 80 emulsifier, 0.05 grams of Spane 60 emulsifier, and 18 grams of T31 curing agent into a stainless steel container with an inner diameter of 10 cm and a height of 20 cm. , fully mixed under slow stirring, then added 60 grams of tap water, and stirred with a stirrer with an outer diameter of 8 blades at a speed of 400-500 for 20 minutes to obtain a W / O dispersion, and poured the material into an impermeable In a plastic mold, keep the temperature at 70°C for 8 hours, then raise the temperature to 120°C for post-curing for 2 hours.
Embodiment 2
[0042] Add 50 grams of E-51, 20 grams of quartz powder, 5 grams of glass beads, 1 gram of OP emulsifier, 1 gram of Tween 80 emulsifier, 1 gram of Span 60 emulsifier, 10 grams of T31 curing agent, 20 grams of polyamide 650 curing agent, fully mixed under slow stirring, then add 80 grams of tap water, and stir for 20 minutes with a stirrer with a paddle outer diameter of 8 at a speed of 500 to obtain W / For O-based dispersion, pour the material into a water-tight plastic mold, keep it warm at 70°C for 6 hours, then raise the temperature to 110°C for post-curing for 2 hours.
Embodiment 3
[0044] Add 25 grams of E-51, 25 grams of E-44, 150 grams of quartz powder, 0.5 grams of white carbon black, 1 gram of Tween 80 emulsifier, 0.5 grams of Siban 60 emulsifier, 9.5 grams of polyamide 650 curing agent, 0.5 grams of DMP-30 curing agent accelerator, fully mixed under slow stirring, then add 80 grams of tap water, and stir for 15 minutes with a stirrer with a blade outer diameter of 8 at 400 revolutions , to obtain a W / O dispersion, pour the material into a water-tight plastic mold, keep it warm at 70°C for 3 hours, and then raise the temperature to 110°C for post-curing for 3 hours.
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