Abstract
A facile and rapid method is reported to effectively in synthesizing high performance graphene based mica-titania antistatic pearlescent pigment. Znic powder is firstly introduced to prepare the composite pearlescent pigment as a reduction catalyst. Through a comparative analysis with previous Argon annealing reduction method, it can obviously increase 100–4600 fold antistatic performance of mica-titania pearlescent pigment at room temperature in a short time. The minimum volume resistivity of as-prepared composite pigments is 12 kΩ cm and decreases about 104 times than that without graphene. The composite pearlescent pigment samples also remain the silver white pearlescent effect, as well as that of raw mica-titania pigment. The stability of titanium chemical state and reduced graphene oxide have been proved by Raman and X-ray photoelectron spectroscopy tests. Since the method is efficient, relatively environmental friendly and low cost, it could be expected to satisfy a large-area application of antistatic pearlescent pigment.
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