Efficient anti-static PC/ABS (Polycarbonate/Acrylonitrile Butadiene Styrene) composite material and preparation method thereof

A composite material and antistatic technology, applied in the field of polymers, can solve the problems of difficult dispersion and no effective solution, and achieve the effects of high reactivity, high molecular weight, improved heat resistance and hydrolytic stability

Active Publication Date: 2016-12-07
FINE BLEND POLYMER SHANGHAI CO LTD
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Problems solved by technology

Therefore, adding a small amount of carbon nanotubes to the plastic can make the plastic have good antistatic properties; but the carbon material is extremely difficult to disperse due to the surface inertness and the strong

Method used

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  • Efficient anti-static PC/ABS (Polycarbonate/Acrylonitrile Butadiene Styrene) composite material and preparation method thereof
  • Efficient anti-static PC/ABS (Polycarbonate/Acrylonitrile Butadiene Styrene) composite material and preparation method thereof
  • Efficient anti-static PC/ABS (Polycarbonate/Acrylonitrile Butadiene Styrene) composite material and preparation method thereof

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Example

[0040] Examples 1 to 4 and Comparative Examples 1 to 3

[0041] In the described embodiment, the raw materials are weighed according to the following weight percentages:

[0042] Polycarbonate: 40~70%;

[0043] ABS: 5~40%;

[0044] Carbon nanotubes: 0.5-10%;

[0045] ST-AN-GMA terpolymer as compatibilizer: 0.5~5%;

[0046] ST-AN copolymer as dispersant: 5-25%.

[0047] Wherein, the average diameter of the carbon nanotubes <20nm, average length 1-20μm, average number of wall layers <15.

[0048] In the ST-AN-GMA terpolymer, the ST content is 70 wt%, the AN content is 25 wt%, and the GMA content is 5 wt%.

[0049] In the ST-AN copolymer, the number average molecular weight is 10,000 to 30,000, the melt index at 190° C. / 5 kg is 40 to 100 g / 10 min, the ST content is 75 wt%, and the AN content is 25 wt%. The specific components and weight percentages of each example and comparative example are shown in Table 1.

[0050] Use carbon nanotubes, ST-AN-GMA terpolymer as a compatibilizer, and ST-AN co...

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Abstract

The invention provides an efficiency anti-static PC/ABS (Polycarbonate/Acrylonitrile Butadiene Styrene) composite material and a preparation method thereof. The composite material is prepared from the following components in percentage by weight: 40-70 percent of polycarbonate, 5-40 percent of ABS, 0.5-10 percent of antistatic agent, 0.5-5 percent of compatilizer and 5-25 percent of dispersing agent. The preparation method comprises the following steps: firstly, mixing the antistatic agent, the compatilizer and the dispersing agent in the raw materials according to a certain proportion at the room temperature; performing melt extrusion through double screws to obtain antistatic master batch; extruding the composite material according to a certain proportion, extruding through the double screws, and granulating to obtain the efficient anti-static PC/ABS composite material. The composite material prepared by the method has superior antistatic performance, high chemical performance and attractive appearance.

Description

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Claims

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Application Information

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Owner FINE BLEND POLYMER SHANGHAI CO LTD
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