Nanophase separation of small and large molecules

W Chen, B Wunderlich - Macromolecular Chemistry and …, 1999 - Wiley Online Library
Phase separation on a macroscopic scale is a basic phenomenon which is
thermodynamically well understood. A decrease in the size of the phases to micrometer …

On the structure and thermo-mechanical properties of a thermotropic liquid crystalline copolyester amide

A Romo-Uribe, BJ Maranzano - Polymer, 2024 - Elsevier
The microstructure at Å-and nm-scale of a thermotropic liquid crystal copolyester amide has
been studied by wide-angle and small-angle X-ray scattering (WAXS and SAXS …

Rheo-optical evidence of a flow-induced isotropic− nematic transition in a thermotropic liquid-crystalline polymer

PT Mather, A Romo-Uribe, CD Han, SS Kim - Macromolecules, 1997 - ACS Publications
A direct rheo-optical characterization of the flow-induced isotropic− nematic (I− N) transition
in a semiflexible thermotropic liquid-crystalline polymer (TLCP) was investigated, using a …

Physical and chemical microstructure of spider dragline: a study by analytical transmission electron microscopy

BL Thiel, DD Kunkel, C Viney - Biopolymers: Original Research …, 1994 - Wiley Online Library
We report the first direct observations of the physical and chemical microstructure of spider
dragline, revealed by analytical transmission electron microscopy. Individual crystallites …

“Log-Rolling” Alignment in Main-Chain Thermotropic Liquid Crystalline Polymer Melts under Shear:  An In-Situ WAXS Study

A Romo-Uribe, AH Windle - Macromolecules, 1996 - ACS Publications
This paper sets down in detail the observation, first announced as a note (Romo-Uribe, A.;
Windle, AH Macromolecules 1993, 26, 7100), of a strident and reversible orientation …

A transient mesophase on drawing polymers based on polyethylene terephthalate (PET) and polyethylene naphthoate (PEN)

GE Welsh, DJ Blundell, AH Windle - Journal of materials science, 2000 - Springer
This paper is centred around the identification of a transient mesophase during the drawing
of PET and PEN and their associated random copolymers. While the observation of the …

On the influence of thermal annealing on molecular relaxations and structure in thermotropic liquid crystalline polymer

A Romo-Uribe, A Reyes-Mayer, MC Rodriguez… - Polymer, 2022 - Elsevier
The influence of thermal annealing on mechanical relaxations and microstructure of a high
performance thermotropic copolyester was investigated using dynamic mechanical analysis …

Dynamics and shear orientation behavior of a main-chain thermotropic liquid crystalline polymer

WJ Zhou, JA Kornfield, VM Ugaz, WR Burghardt… - …, 1999 - ACS Publications
The dynamics and shear orientation behavior of a model thermotropic liquid crystalline
polymer (DHMS-7, 9) were characterized by mechanical rheometry and in situ wide angle X …

Phase transitions of bulk statistical copolymers studied by dynamic Monte Carlo simulations

W Hu, VBF Mathot, D Frenkel - Macromolecules, 2003 - ACS Publications
We report a numerical study of crystallization and melting in bulk statistical homogeneous
(random), homogeneous (slightly alternating), and heterogeneous (produced in a batch …

Processable poly (benzoxazole imide) s derived from asymmetric benzoxazole diamines containing 4-phenoxy aniline: synthesis, properties and the isomeric effect

LR Sidra, G Chen, N Mushtaq, K Ma, B Bashir… - Polymer …, 2018 - pubs.rsc.org
Two asymmetric diamine monomers, incorporating both aryl ether and non-linear
benzoxazole groups, namely 5-amino-2-(4-(4-aminophenoxy) phenyl) benzoxazole (p …