HYDRODYNAMIC, DYNAMOOPTICAL, AND CONFORMA TIONAL PROPERTIES OF PARA-AROMATIC POLYESTERS WITH DIMETHYLSILOXANE LINKS IN BACKBONE CHAIN

Authors
BUSHIN SV TSVETKOV VN ANDREEVA LN ASTAPENKO EP BELYAEVA EV ASINOVSKAYA DN SKOROKHODOV SS
Citation
Sv. Bushin et al., HYDRODYNAMIC, DYNAMOOPTICAL, AND CONFORMA TIONAL PROPERTIES OF PARA-AROMATIC POLYESTERS WITH DIMETHYLSILOXANE LINKS IN BACKBONE CHAIN, Vysokomolekularnye soedinenia. Seria A, 39(8), 1997, pp. 1376-1381
Citations number
16
Categorie Soggetti
Polymer Sciences
Journal title
Vysokomolekularnye soedinenia. Seria A → ACNP
ISSN journal
05075475
Volume
39
Issue
8
Year of publication
1997
Pages
1376 - 1381
Database
ISI
SICI code
0507-5475(1997)39:8<1376:HDACTP>2.0.ZU;2-6
Abstract
The coefficients of translational diffusion, intrinsic viscosities, an d flow birefringence are investigated for the fractions of three aroma tic polyesters with dimethylsiloxane links in backbone chains. It was found that the Kuhn segment experiences certain increase with decreasi ng length of flexible link in the chains of the polyesters. Difference s in the mesogenic properties of the polymers studied are discussed. T he optical anisotropy of the monomeric units and anisotropy per unit l ength of the molecular chain are measured.