Slush molding PVC (Poly Vinyl Chloride) material for instrument panel covering and preparation method of slush molding PVC material
A PVC material and instrument panel technology, applied in the field of PVC material and its preparation, can solve the problems of low low-temperature impact, poor low-temperature resistance and poor compatibility of PVC materials, and achieve poor temperature resistance, excellent temperature resistance, and favorable powder The effect of slush molding
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[0048] 50 kg of MPVC resin, 5.5 kg of heat stabilizer, 0.5 kg of composite light stabilizer, and 0.5 kg of antioxidant are added to the high mixer for stirring and heating, and the temperature is raised to 90 ° C. Add 5 kg of silicone oil and 5 kg of epoxy soybean oil kg, stir for 2-3 minutes, heat up to 120°C, add 18.7 kg of plasticizer one after another, and continue stirring for 3-5 minutes, stop heating and stirring, lower the temperature to 100°C, and stir for 2-3 minutes at the same time, Then heat up to 130°C, add 6.3 kg of plasticizer one after another, and continue to stir for 3-5 minutes, stop heating and stirring, then cool down to 110°C, add 0.25 kg of carbon black, stir for 2-5 minutes, and heat up to 135°C , Stir at high speed for 3-5 minutes and discharge.
[0049] Then put the above-mentioned obtained material into another high mixer, cool down to 30°C, add 5 kg of dispersant, stir for 8-10 minutes, and then discharge the material to obtain the slush-molded PVC...
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