Polycarbonate composition of sulfur and nitrogen contained organic silicon flame retardant and preparation method
A polycarbonate and silicone technology, applied in the field of engineering plastics, can solve ecological problems and other problems, and achieve the effects of small optical performance, resource saving and production cost reduction
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[0023] Example 1
[0024] Take 0.5 parts of the above-mentioned silicone flame retardant, 0.3 parts of antioxidant 1010 and 99.2 parts of polycarbonate resin (LG Dow 201-22) in the extruder and mix and granulate for use (the temperature of each section is set to 200 ℃, 240℃, 245℃, 220℃, rotation speed is 90rpm), molded at 230℃ to prepare samples to test the flame retardant performance, measure the limiting oxygen index according to the national standard GB / T2406-93, and measure according to the national standard GB4609-84 Burn vertically.
Example Embodiment
[0025] Example 2
[0026] Take 1 part of the above-mentioned silicone flame retardant, 0.3 part of antioxidant 1010 and 98.7 parts of polycarbonate (LG Dow 201-22) in the extruder and mix and granulate for use (the temperature of each stage is set to 200℃) , 240℃, 245℃, 220℃, rotation speed is 90rpm), molded at 230℃, the limiting oxygen index is measured according to the national standard GB / T2406-93, and the vertical combustion is measured according to the national standard GB4609-84.
Example Embodiment
[0027] Example 3
[0028] Take 1.5 parts of the above-mentioned silicone flame retardant, 0.3 parts of antioxidant 1010 and 98.2 parts of polycarbonate in the extruder and mix and granulate for use (the temperature of each section is set to 200℃, 240℃, 245℃, 220℃, rotation speed is 90rpm), molded at 230℃, the limiting oxygen index is measured according to the national standard GB / T2406-93, and the vertical combustion is measured according to the national standard GB4609-84.
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