DETERMINATION OF THE DYNAMIC CHARACTERISTICS
OF LIQUID-CRYSTALLINE POLYMERIC SYSTEMS

V. B. Nemtsov,a E. V. Korobko,b A. V. Kondratenko, a  
I. I. Globa,a  P. A. Filipenkov,c  and E. B. Kaberdinaa 

UDC 532.135.531.212

A theoretical description of the dynamic phenomena in 
liquid-crystalline polymeric systems in periodic mechanical disturbances 
in terms of the shear modulus and the loss modulus has been given. 
The rheological characteristics (dynamic viscosity, accumulation modulus, 
loss modulus, and others) of a synthesized sample of a liquid-crystalline 
polymeric system - aromatic polyamide - and the critical concentration 
of its transition from the isotropic state to a liquid-crystalline 
phase have been determined experimentally.

a Belarusian State Technological 
University, Minsk, Belarus; bA. V. Luikov 
Heat and Mass Transfer Institute, National Academy of Sciences of 
Belarus, Minsk, Belarus; cInstitute of Applied 
Mechanics, Russian Academy of Sciences, Moscow, Russia. Translated 
from Inzhenerno-Fizicheskii Zhurnal, Vol. 76, No. 3, pp. 59-63, 
May-June, 2003. Original article submitted December 5, 2002.