ANALYSIS AND CHARACTERIZATION OF MICROSCOPIC MORPHOLOGY AND ORIENTATION STRUCTURE OF POLYANILINE POLYMERIZED IN A CONSTANT MAGNETIC FIELD

Li Ma a; b; Wei Lu a; Ke-long Huang b; Meng-yu Gan a; Chao Chen a

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ANALYSIS AND CHARACTERIZATION OF MICROSCOPIC MORPHOLOGY AND ORIENTATION STRUCTURE OF POLYANILINE POLYMERIZED IN A CONSTANT MAGNETIC FIELD

Papers | Updated：2021-06-21

- ANALYSIS AND CHARACTERIZATION OF MICROSCOPIC MORPHOLOGY AND ORIENTATION STRUCTURE OF POLYANILINE POLYMERIZED IN A CONSTANT MAGNETIC FIELD
- Vol. 27, Issue 4, Pages: 487-492(2009)
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- Published：20 July 2009
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Li Ma a, b, Wei Lu a, et al. ANALYSIS AND CHARACTERIZATION OF MICROSCOPIC MORPHOLOGY AND ORIENTATION STRUCTURE OF POLYANILINE POLYMERIZED IN A CONSTANT MAGNETIC FIELD[J]. 2009, 27(4): 487-492.
DOI：

Li Ma a, b, Wei Lu a, et al. ANALYSIS AND CHARACTERIZATION OF MICROSCOPIC MORPHOLOGY AND ORIENTATION STRUCTURE OF POLYANILINE POLYMERIZED IN A CONSTANT MAGNETIC FIELD[J]. 2009, 27(4): 487-492. DOI：

摘要

Conductive polyaniline (PAn-M and PAn-O) doped with dodecylbenzene sulfonic acid (DBSA) was synthesized by using emulsion polymerization method in the presence of a constant magnetic field (0.4 T) and the absence of magnetic field

respectively. The effects of magnetic field on the microscopic morphology and orientation structure of PAn were generally analyzed and characterized by using transmission electron microscope (TEM)

X-ray diffraction (XRD) and through the conductivity anisotropy of unit resistance of the PAn/PVA(polyvinyl alcohol) composite film. The results showed that

compared with PAn-O

PAn-M had higher crystallinity and more obvious microscopic orientation structure: its particles were arranged orderly and piled into many banded aggregates with a certain length/diameter ratio

after magnetization treatment

it demonstrated a high degree of consistent orientation; PAn-M/PVA composite films showed conductivity anisotropy after magnetization in the film-forming process. The results all fully confirmed that PAn prepared in a magnetic field condition had a high degree of orientation.

Abstract

respectively. The effects of magnetic field on the microscopic morphology and orientation structure of PAn were generally analyzed and characterized by using transmission electron microscope (TEM)

X-ray diffraction (XRD) and through the conductivity anisotropy of unit resistance of the PAn/PVA(polyvinyl alcohol) composite film. The results showed that

compared with PAn-O

PAn-M had higher crystallinity and more obvious microscopic orientation structure: its particles were arranged orderly and piled into many banded aggregates with a certain length/diameter ratio

after magnetization treatment

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