Polyphenyl ether/high impact polystyrene composition and preparation method thereof
A technology of polystyrene and polystyrene resin, applied in the field of materials, can solve the problems of difficulty in obtaining processability and mechanical properties of PPO/HIPS composition, high glass transition temperature of pure PPO resin, and limited application range, etc. Color stability and melt stability, low equipment requirements, and the effect of improving dyeability
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Embodiment 1
[0069] In this embodiment, a polyphenylene ether / high-impact polystyrene composition is prepared from the following raw materials in parts by weight:
[0070] High viscosity polyphenylene ether resin (intrinsic viscosity 0.48dL / g) 35 parts,
[0071] Low viscosity polyphenylene ether resin (intrinsic viscosity 0.35dL / g) 25 parts,
[0072] High impact polystyrene resin (number average molecular weight is 23000) 40 parts,
[0073] The sum of parts by weight of high-viscosity polyphenylene ether resin, low-viscosity polyphenylene ether resin and high-impact polystyrene resin is 100 parts,
[0074]
[0075] The preparation method of the above-mentioned polyphenylene ether / high-impact polystyrene composition comprises the following steps:
[0076] (1) Dry the high-viscosity polyphenylene ether resin, low-viscosity polyphenylene ether resin and high-impact polystyrene resin at a temperature of 80°C for 8 hours, then cool, and the cooled high-viscosity polyphenylene ether resin,...
Embodiment 2
[0081] In this embodiment, a polyphenylene ether / high-impact polystyrene composition is prepared from the following raw materials in parts by weight:
[0082] High viscosity polyphenylene ether resin (intrinsic viscosity 0.48dL / g) 50 parts,
[0083] 40 parts of low viscosity polyphenylene ether resin (intrinsic viscosity 0.35dL / g),
[0084] 10 parts of high-impact polystyrene resin (number average molecular weight is 23000),
[0085] The sum of parts by weight of high-viscosity polyphenylene ether resin, low-viscosity polyphenylene ether resin and high-impact polystyrene resin is 100 parts,
[0086]
[0087] The preparation method of the above-mentioned polyphenylene ether / high-impact polystyrene composition comprises the following steps:
[0088](1) Dry the high-viscosity polyphenylene ether resin, low-viscosity polyphenylene ether resin and high-impact polystyrene resin at a temperature of 110°C for 4 hours, then cool, and the cooled high-viscosity polyphenylene ether ...
Embodiment 3
[0093] In this embodiment, a polyphenylene ether / high-impact polystyrene composition is prepared from the following raw materials in parts by weight:
[0094] High viscosity polyphenylene ether resin (intrinsic viscosity 0.48dL / g) 37 parts,
[0095] Low-viscosity polyphenylene ether resin (intrinsic viscosity 0.35dL / g) 27 parts,
[0096] 36 parts of high-impact polystyrene resin (number average molecular weight is 23000),
[0097] The sum of parts by weight of high-viscosity polyphenylene ether resin, low-viscosity polyphenylene ether resin and high-impact polystyrene resin is 100 parts,
[0098]
[0099]
[0100] The preparation method of the above-mentioned polyphenylene ether / high-impact polystyrene composition comprises the following steps:
[0101] (1) After drying the high-viscosity polyphenylene ether resin, low-viscosity polyphenylene ether resin and high-impact polystyrene resin at a temperature of 90°C for 6 hours, cooling, the cooled high-viscosity polypheny...
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Abstract
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