Low CLTE (coefficient of linear thermal expansion) electroplating PC/ABS (Polycarbonate/Acrylonitrile Butadiene Styrene) alloy material and preparation method thereof
A technology of low linear expansion and alloy materials, which is applied in the fields of polymer blending and polymer molding processing, can solve the problems of failure to pass the cold and heat shock test, large difference in linear expansion coefficient, large shrinkage deformation, etc., to achieve easy implementation, surface Smooth, shrink cracking effect
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[0042] Example 1 Preparation of electroplated PC / ABS alloy material of the present invention (1)
[0043] a) According to parts by weight, add 80 parts of PC resin, 15 parts of ABS resin, 1 part of talc powder I, 0.1 part of antioxidant and 0.1 part of lubricant into the mixing mixer and mix;
[0044] b) The mixture obtained in step a) is blended and pelletized by a twin-screw extruder, where the barrel temperature of the twin-screw extruder is 200-260°C, and the screw speed is 200-600 rpm to obtain electroplated PC with low linear expansion coefficient / ABS alloy particles.
Example Embodiment
[0045] Example 2 Preparation of electroplated PC / ABS alloy material of the present invention (2)
[0046] a) According to parts by weight, add 30 parts of PC resin, 65 parts of ABS resin, 5 parts of talcum powder I, 0.4 parts of antioxidants and 0.3 parts of lubricants into the mixing mixer and mix;
[0047] b) The mixture obtained in step a) is blended and pelletized by a twin-screw extruder, where the barrel temperature of the twin-screw extruder is 200-260°C, and the screw speed is 200-600 rpm to obtain electroplated PC with low linear expansion coefficient / ABS alloy particles.
Example Embodiment
[0048] Example 3 Preparation of electroplated PC / ABS alloy material of the present invention (3)
[0049] a) According to parts by weight, add 50 parts of PC resin, 45 parts of ABS resin, 5 parts of talc powder I, 0.4 parts of antioxidants and 0.3 parts of lubricants into the mixing mixer and mix;
[0050] b) The mixture obtained in step a) is blended and pelletized by a twin-screw extruder, where the barrel temperature of the twin-screw extruder is 200-260°C, and the screw speed is 200-600 rpm to obtain electroplated PC with low linear expansion coefficient / ABS alloy particles.
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