Response of a biphasic poly( n ‐hexyl isocyanate)/ p ‐xylene solution to applied high electric fields | Zendy

Menna Todd J. | Zendy; Filisko Frank E. | Zendy

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Response of a biphasic poly( n ‐hexyl isocyanate)/ p ‐xylene solution to applied high electric fields

Author(s) -

Menna Todd J.,

Filisko Frank E.

Publication year - 2005

Publication title -

journal of polymer science part b: polymer physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.65

H-Index - 145

eISSN - 1099-0488

pISSN - 0887-6266

DOI - 10.1002/polb.20400

Subject(s) - electric field , elongation , polymer chemistry , isocyanate , materials science , liquid crystal , polymer , xylene , chemistry , benzene , composite material , physics , organic chemistry , polyurethane , ultimate tensile strength , optoelectronics , quantum mechanics

The effect of a high electric field on a solution of a lyotropic liquid‐crystalline polymer, poly( n ‐hexyl isocyanate) in p ‐xylene, was studied. The application of a high‐voltage alternating‐current electric field to the biphasic solution resulted in an elongation of the nematic domains in the field direction, the degree of elongation varying approximately with the square of the electric field. At a constant field, the extent of elongation decreased, varying inversely with the frequency in an exponential fashion. The domain structure and thus the molecular orientation were examined to explain these electric field effects. © 2005 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 43: 1124–1133, 2005

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