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磺酸掺杂煤基聚苯胺/HDPE导电复合材料的制备 被引量:4

Preparation of HDPE/CBP Doped with Sulfonic Acids Conductive Composites
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摘要 采用热掺杂法制得十二烷基苯磺酸 (DBSA)掺杂态煤基聚苯胺 (CBP) ,并采用熔融共混工艺 ,制备出HDPE/CBP DBSA导电复合材料 ,研究了掺杂时间和掺杂温度对CBP电导率以及CBP DBSA用量对HDPE/CBP DBSA复合材料电阻率的影响。结果表明 :当m (DBSA)∶m (CBP) =1 6,70℃下退火 2h时 ,CBP DBSA的电导率可达0 179S/cm ;红外光谱说明DBSA对CBP起到了较好的掺杂作用。当CBP DBSA的质量分数为 13 %时 ,复合材料的体积电阻率达到 2 9× 10 7Ω·cm 。 CBP-DBSA was prepared by means of thermol doping method,and melt blends were applied to the preparation of HDPE/CBP-DBSA conductive composite.The effects of doping time and temperature on the conductivity of CBP and the effect of CBP-DBSA content on the conductivity of HDPE/CBP-DBSA composite were studied.The results showed when DBSA∶CBP=1.6(weight ratio)and annealed at 70 ℃ for 2 h,the conductivity of CBP-DBSA was 0.179 S/cm.Infrared spectrum showed DBSA had better doping effect on CBP.When the mass fraction of CBP in the composite system was 13%,the volume resistivity of the composite came up to 3.6×10 7 Ω·cm,and the mechanical properties of the composite were good.
出处 《塑料工业》 CAS CSCD 北大核心 2004年第9期5-7,共3页 China Plastics Industry
基金 教育部科学技术研究重点项目 ( 0 0 2 3 2 )
关键词 煤基聚苯胺 十二烷基苯磺酸 掺杂 高密度聚乙烯 共混 Coal-based Polyaniline DBSA Doping HDPE Blend
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