本研究討論添加不同市售導電碳黑(BP2000, Printex XE2B)於聚對苯二甲酸丁二酯(Polybutylene terephthalate, PBT),對於導電度的影響,原本PBT的表面電阻>1013(Ω/sq),再分別加入8%的市售導電性碳黑後,經由抽低壓,加熱至110℃的粉體複合式乾燥機與PBT高分子混合均勻,1小時烘乾後,將所得到的兩種不同具導電性之高分子複合材料,經低阻抗儀量測表面電阻,分別得到BP2000@PBT表面電阻約為104(Ω/sq)與Printex XE2B@PBT表面電阻約為103(Ω/sq)。所得到的兩種導電複合材料,分別以絕對黏度測定儀(I.V.)量測黏度,場發射掃描式電子顯微鏡(FE-SEM)觀察表面形貌,熱重損失分析儀(TGA)分析熱穩定性。
oly (butyleneterephthalate) (PBT) resin has been compounded with conductive carbon black (BP2000, Printex XE2B) and appropriate coupling agent using a twin-screw extruder. The composites of 8 wt% CB in PBT had a surface resistance of 10^4 (Ω/square) (BP2000) and 10^3 (Ω/square) (Printex XE2B), which were 10 orders lower than pure PBT. Morphology and thermal properties of these composites were studied by capillary viscometer, scanning electron microscopy (SEM) and thermogravimetric analysis (TGA).