STRUCTURAL EFFECTS ON THE MESOPHASE FORMATION OF CERTAIN THERMOTROPICLIQUID-CRYSTALLINE RANDOM COPOLYESTERS

Authors
NAIDU EP ARUMUGASAMY E RAVICHANDRAN E KANNAPPAN V VARMA IK
Citation
Ep. Naidu et al., STRUCTURAL EFFECTS ON THE MESOPHASE FORMATION OF CERTAIN THERMOTROPICLIQUID-CRYSTALLINE RANDOM COPOLYESTERS, Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals, 287, 1996, pp. 1
Citations number
16
Categorie Soggetti
Crystallography
Journal title
Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals → ACNP
ISSN journal
1058725X
Volume
287
Year of publication
1996
Database
ISI
SICI code
1058-725X(1996)287:<1:SEOTMF>2.0.ZU;2-U
Abstract
Thermotropic random copolyesters containing 2,2'-biphenylene rings, di sclike mesogens in the polymer chain, were synthesised by the polycond ensation method and characterised by viscosity measurements, and spect ral analysis. Thermal properties of these polymers were investigated b y DTA and DSC studies. The LC behaviour of these polymers were studied by optical polarising microscopy in conjunction with WAXD studies. St ructural modifications introduced along the main chian changed the typ e of mesophase probably due to polar and interlocking effects.