Polyphenylene oxide composition for LED display
A technology of LED display and polyphenylene ether, which is applied in the field of polymer alloys, can solve problems such as difficult processing and molding, unsuitable materials, high melt viscosity, etc., and achieve improved fluidity, good ink adhesion, and high temperature deformation resistance. Effect
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Example Embodiment
[0022] Example 1
[0023] The components of the composition of this embodiment are: 40 kg of polyphenylene ether, 25 kg of polystyrene resin, 3 kg of SBS / SEBS, 5 kg of flame retardant tris(2,4-dibromophenyl) phosphate, and rutile TiO 2 10 kg, 0.1 kg of calcium stearate lubricant, 0.2 kg of antioxidant 1010.
[0024] Among them, the viscosity of polyphenylene ether resin is 0.5 dl / g, produced by Asahi Kasei Corporation; the MFR of polystyrene resin (HIPS) is 3g / 10min, produced by BASF; the flame retardant tris (2,4-dibromophenyl) ) Phosphate esters are produced by Great Lake Company in the United States, antioxidants are produced by Ciba Company of Switzerland, and lubricants are produced by ICI Company.
[0025] The above components are mixed uniformly, and then extruded and pelletized with a twin-screw extruder, and the processing temperature is: 280°C (plasticizing section).
Example Embodiment
[0026] Example 2
[0027] The components of the composition of this embodiment are: 60 kg of polyphenylene ether resin, 30 kg of polystyrene resin, 4 kg of SBS-MAH (grafting rate 5%), 1,3,5-trimethyl-2,4 , 6-Tris(3,5-di-tert-butyl-4-hydroxybenzyl)benzene (antioxidant 330 for short) 0.3 kg, lubricant fatty acid 0.1 kg, halogenated phosphate flame retardant 6 kg, anatase type TiO 2 15 kg.
[0028] Among them, the viscosity of the polyphenylene ether resin is 0.35Pa·S, produced by General Motors of the United States; the MFR of the polystyrene resin is 5g / 10min, produced by Beijing Yanhua Company; the halogenated phosphate is tris(2,4-dibromobenzene) Base) phosphate, produced by FMC Corporation of the United States, and the antioxidant is Cytec Corporation of the United States.
[0029] The above components are mixed uniformly, and then extruded and granulated with a twin-screw extruder, and the processing temperature is: 260°C (plasticizing section).
Example Embodiment
[0030] Example 3
[0031] The components of the composition of this embodiment are: 50 kg of polyphenylene ether resin, 35 kg of polystyrene resin, 6 kg of SEBS-MAH (grafting rate 3%), tris(2,4-di-tert-butylphenyl) Phosphite (antioxidant 168 for short) 0.2 kg, lubricant zinc stearate 0.3 kg, rutile TiO 2 25 kg, 10 kg phosphorus oxide flame retardant.
[0032] Among them, the viscosity of the polyphenylene ether resin is 0.6Pa·S, produced by Mitsubishi Corporation of Japan; the MFR of the polystyrene resin is 8g / 10min; the phosphorus oxide flame retardant is phenylbis(carboxyphenyl) phosphorus oxide.
[0033] The above components are mixed uniformly, and then extruded and pelletized with a twin-screw extruder, and the processing temperature is: 280°C (plasticizing section).
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