A kind of polyaniline particle and production method thereof

Abstract

The invention relates to a polyaniline particle. The surface of the particle is in coralline rough morphology; the particle has a specific surface area of 10 to 40 m2 / g and a particle size of 140 to 500 nm; and the conductivity of the polyaniline particle is 10<-2> to 10<2> S / cm. The invention also provides a production method for the polyaniline particle.

Description

Technical field [0001] The invention belongs to the field of high molecular polymers, and furthermore, relates to a submicron polyaniline microsphere with a very rough surface and a production method thereof. Background technique [0002] Since the discovery of structural conductive polymers in the late 1970s, they have received extensive attention from researchers. They overturned the previous concept that polymers are insulators. The first scientists who discovered them were Alan J. Heeger and Alan G. MacDiarmid. He and Hideki Shirakawa also won the Nobel Prize in Chemistry in 2000. Structural conductive polymers have many special properties. For example, although they have the molecular structure of polymers, their resistance can be adjusted between the insulator-semiconductor-conductor. The doping and dedoping of the molecules is a completely reversible process. The color can change correspondingly with the change of doping degree. Common structural conductive polymers incl...

AI Technical Summary

Problems solved by technology

The commonly used preparation methods of polyaniline include electrochemical method, chemical method, enzyme-catalyzed polymerization and radiation polymerization, etc. Among them, the electrochemical method is difficult to produce industrially due to the limitation of the electrode area, and the research on enzyme-catalyzed polymerization and radiation polymerization is currently It is still relatively small, and it is still in its infancy. At present, the preparation of polyaniline by chemical oxidation polymerization is more researched. The obtained product has low resistance and is easy to industrialize.

[0003] However, polyaniline, especially in its oxidized state, is usually neither soluble in most common solvents nor melt-processable, and these characteristics greatly limit its industrialization.

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