PC/ABS alloy and preparation method thereof
A technology of alloy and flame retardant synergist, which is applied in the field of PC/ABS alloy and its preparation, can solve the problems of limited development of halogen-based flame retardants, large amount of smoke, toxic gases, etc., and achieve excellent matt effect, resistance to The effect of good flammability and excellent processing performance
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[0053] Example 1:
[0054] Add halogen-free flame retardant 10%, flame retardant anti-dripping agent 1%, toughening agent 5%, compatibilizer 1%, low gloss treatment agent 1%, and antioxidant 1% into the high-speed batching mixer together, and then Drop 3% of the melted halogen-free flame retardant synergist into the mixer and stir for 5 minutes. The above components are all in mass percentage. Then add the baked 60% PC and 18% ABS, and then stir together for 5 minutes for use. The stirred mixture is placed in a twin-screw machine for melt extrusion and granulation. The process conditions are: the temperature of the first stage of the twin screw is 220~230℃, the temperature of the second stage is 230~240℃, the temperature of the third stage is 240~250℃, and the mold temperature is 60. ~100℃, residence time 1~2 minutes, pressure 10~15MPa.
[0055] In this embodiment, the toughening agent is a core-shell type ABS impact modifier with a rubber content of 60-80%. The said compatibili...
Example Embodiment
[0057] Example 2: Add 12% of halogen-free flame retardant, 0.1% of flame retardant and anti-dripping agent, 7.9% of toughening agent, 1% of compatibilizer, 2% of low gloss treatment agent, and 2% of antioxidants into high-speed ingredients In the blender, 1% of the melted halogen-free flame retardant synergist is then dropped into the blender and stirred for 5 minutes. Each of the above components is in mass percentage. Then add the baked 62% PC and 12% ABS, and then stir together for 7 minutes for use. The stirred mixture is placed in a twin-screw machine for melt extrusion and granulation. The process conditions are: the temperature of the first stage of the twin screw is 220~230℃, the temperature of the second stage is 230~240℃, the temperature of the third stage is 240~250℃, and the mold temperature is 60. ~100℃, residence time 1~2 minutes, pressure 10~15MPa.
[0058] In this embodiment, the toughening agent is a core-shell type ABS impact modifier with a rubber content of 6...
Example Embodiment
[0060] Example 3: Adding 7% of halogen-free flame retardant, 0.5% of flame retardant and anti-dripping agent, 3% of toughening agent, 3% of compatibilizer, 3% of low gloss treatment agent, and 1% of antioxidant are added to high-speed ingredients In the blender, 3% of the melted halogen-free flame retardant synergist is then dropped into the blender and stirred for 5 minutes. Each of the above components is in mass percentage. Then add the baked 67% PC and 12% ABS, and then stir together for 8 minutes for use. The stirred mixture is placed in a twin-screw machine for melt extrusion and granulation. The process conditions are: the temperature of the first stage of the twin screw is 220~230℃, the temperature of the second stage is 230~240℃, the temperature of the third stage is 240~250℃, and the mold temperature is 60. ~100℃, residence time 1~2 minutes, pressure 10~15MPa.
[0061] In this embodiment, the toughening agent is a core-shell type ABS impact modifier with a rubber conte...
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