摘要
本文论述了聚苯胺的合成方法,掺杂和导电性以及应用前景。重点讨论因改变合成方法、溶液组成及反应条件,使结构和性能有较大差异;聚苯胺具有共轭π键,经化学和电化学氧化还原反应,特别是经酸碱中和反应进行摻杂,可使聚苯胺从绝缘体变成导电体,其导电率与掺杂度、电位、pH值有关:导电聚苯胺对气、水和稀酸介质都很稳定,能用作电极、传感器及微电子器件的材料,但目前要达到与金属相同的导电率或代替金属使用,差距甚大,有待进一步研究开发。
Method of synthesis and adulteration, electrical conductivity, as well as the prospect of actual applications of polyaniline have been described. Emphasis is given to the effect of changes in method of synthesis,composition of solution,and reaction conditions on the structure and properties of the product.Polyaniline possesses conjugated π-bonds; through chemical and electrochemical oxidation-reduction reactions, espectially through after adulterated through acid-base neutralization,polyaniline can be transformed from an insulator to an electrical conductor, its conductivity being related to the degree of adulteration,electrical potential and pH.Conductive polyaniline is very stable towards gases,water,and dilute acidic mediums, and can be used as a material for electrodes,sensors, and microelectronic elements. There is quite a distance, however, for polyaniline to reach the conductivity level of metals, and to be used as a substitute for metals; therefore, further research and development works are necessary.
出处
《合成树脂及塑料》
CAS
1990年第1期71-76,共6页
China Synthetic Resin and Plastics
