Novel engineering plastic and preparation method thereof
A kind of engineering plastics, a new type of technology, applied in the field of engineering plastics, can solve the problems of engineering plastics that cannot be effectively recycled, poor thermal oxygen stability, complex production methods, etc., to achieve improved radiation resistance stability, good dispersion and compatibility, and realize The effect of waste utilization
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Embodiment 1
[0025] A new type of engineering plastics includes the following raw materials in parts by weight: 25 parts of waste polycarbonate, 24 parts of polyethylene, 16 parts of organic silicon solution, 8 parts of formaldehyde, 6 parts of lye, 13 parts of melamine, 15 parts of epoxy resin, 16 parts of toluene, 28 parts of modified calcium carbonate, 16 parts of crosslinking agent, 8 parts of flame retardant, 5 parts of antioxidant and 18 parts of deionized water.
[0026] A preparation method of novel engineering plastics, comprising the following preparation steps:
[0027] a. Pretreat the waste polycarbonate, mix it with polyethylene and xylene, import it into a mixer, heat and stir at 145°C, react for 2h, then add a crosslinking agent, cool down to 95°C, and keep warm for 60min , get material one;
[0028] b. Add organosilicon solution to material 1, stir for 20 minutes, heat at 90°C until the water is completely evaporated, then mix with modified calcium carbonate, oscillate and...
Embodiment 2
[0036] A new type of engineering plastics includes the following raw materials in parts by weight: 28 parts of waste polycarbonate, 19 parts of polyethylene, 14 parts of organic silicon solution, 8 parts of formaldehyde, 7 parts of lye, 7 parts of melamine, 11 parts of epoxy resin, two 18 parts of toluene, 23 parts of modified calcium carbonate, 15 parts of crosslinking agent, 10 parts of flame retardant, 7 parts of antioxidant and 15 parts of deionized water.
[0037] A preparation method of novel engineering plastics, comprising the following preparation steps:
[0038] a. Pretreat the waste polycarbonate, mix it with polyethylene and xylene, import it into a mixer, heat and stir at 120°C, react for 3 hours, then add a crosslinking agent, cool down to 95°C, and keep it warm for 40 minutes , get material one;
[0039] b. Add organosilicon solution to material 1, stir for 20 minutes, heat at 80°C until the water is completely evaporated, then mix with modified calcium carbona...
Embodiment 3
[0047] A new type of engineering plastics includes the following raw materials in parts by weight: 33 parts of waste polycarbonate, 21 parts of polyethylene, 16 parts of organic silicon solution, 8 parts of formaldehyde, 7 parts of lye, 11 parts of melamine, 14 parts of epoxy resin, 18 parts of toluene, 25 parts of modified calcium carbonate, 12 parts of crosslinking agent, 12 parts of flame retardant, 7 parts of antioxidant and 15 parts of deionized water.
[0048] A preparation method of novel engineering plastics, comprising the following preparation steps:
[0049] a. Pretreat the waste polycarbonate, mix it with polyethylene and xylene, import it into a mixer, heat and stir at 145°C, react for 3h, then add a cross-linking agent, cool down to 105°C, and keep warm for 60min , get material one;
[0050] b. Add organosilicon solution to material 1, stir for 30 minutes, heat at 90°C until the water is completely evaporated, then mix with modified calcium carbonate, oscillate ...
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