Preparation and Application of Hybrid Anti-Drip Agents for Polycarbonate
A hybrid anti-drip agent(X-PAD)was prepared using polytetrafluoroethylene(PTFE)as the core,carbon nanotubes as the mantle material,and styrene acrylonitrile copolymer(SAN)as the shell material.The effect of X-PAD on the flame retardancy and thermal stability of polycarbonate(PC)materials was studied.The results showed that based on the PC standard spline formula,the addition of X-PAD increased the limit oxygen index of the spline by 8.5%,and the flame retardant level was increased from V-1 to V-0.Moreover,the flame retardant ability and thermal stability of X-PAD were better than those of commercially available anti drip agents DB105.X-PAD is more suitable for electronic devices with more stringent application requirements in fields such as electric vehicles,charging stations,and data centers,and has broad prospects.
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