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
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 Examples 1 to 4 and Comparative Examples 1 to 3
 In the described embodiment, the raw materials are weighed according to the following weight percentages:
 Polycarbonate: 40~70%;
 ABS: 5~40%;
 Carbon nanotubes: 0.5-10%;
 ST-AN-GMA terpolymer as compatibilizer: 0.5~5%;
 ST-AN copolymer as dispersant: 5-25%.
 Wherein, the average diameter of the carbon nanotubes <20nm, average length 1-20μm, average number of wall layers <15.
 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%.
 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.
 Use carbon nanotubes, ST-AN-GMA terpolymer as a compatibilizer, and ST-AN co...
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