Study of the molecular mass dependence of the twist viscosity coefficient of a nematic thermotropic main-chain polymer

1989 ◽  
Vol 22 (9) ◽  
pp. 3731-3734 ◽  
Author(s):  
T. Klein ◽  
Hong Xi Jun ◽  
P. Esnault ◽  
A. Blumstein ◽  
F. Volino
Keyword(s):  
Molecular Mass ◽  
Main Chain ◽  
Viscosity Coefficient ◽  
Mass Dependence ◽  
Chain Polymer

Molecular Mass Dependence of Interfacial Tension in Complex Coacervation

2021 ◽  
Vol 126 (23) ◽  
Author(s):  
Debra J. Audus ◽  
Samim Ali ◽  
Artem M. Rumyantsev ◽  
Yuanchi Ma ◽  
Juan J. de Pablo ◽  
...  
Keyword(s):  
Interfacial Tension ◽  
Molecular Mass ◽  
Mass Dependence ◽  
Complex Coacervation

Phase Transitions in Smectic Bent-Core Main-Chain Polymer Networks Detected by Dielectric and Ultrasonic Techniques

2015 ◽  
Vol 479 (1) ◽  
pp. 76-81
Author(s):  
V. Samulionis ◽  
Š. Svirskas ◽  
J. Banys ◽  
A. Sánchez-Ferrer ◽  
N. Gimeno ◽  
...  
Keyword(s):  
Phase Transitions ◽  
Main Chain ◽  
Polymer Networks ◽  
Chain Polymer ◽  
Ultrasonic Techniques

scholarly journals Bis-Tridendate Ir(III) Polymer-Metallocomplexes: Hybrid, Main-Chain Polymer Phosphors for Orange–Red Light Emission

Polymers ◽  
2020 ◽  
Vol 12 (12) ◽  
pp. 2976
Author(s):  
Konstantinos Andrikopoulos ◽  
Charalampos Anastasopoulos ◽  
Joannis K. Kallitsis ◽  
Aikaterini K. Andreopoulou
Keyword(s):  
Main Chain ◽  
Light Emission ◽  
Red Light ◽  
Molecular Complexes ◽  
Hydroxyl Groups ◽  
Iridium Complexes ◽  
Light Emitters ◽  
Chain Polymer ◽  
Molecular Weights ◽  
Pyridine Moiety

In this work, hybrid polymeric bis-tridentate iridium(III) complexes bearing derivatives of terpyridine (tpy) and 2,6-di(phenyl) pyridine as ligands were successfully synthesized and evaluated as red-light emitters. At first, the synthesis of small molecular bis-tridendate Ir(III) complexes bearing alkoxy-, methyl-, or hydroxy-functionalized terpyridines and a dihydroxyphenyl-pyridine moiety was accomplished. Molecular complexes bearing two polymerizable end-hydroxyl groups and methyl- or alkoxy-decorated terpyridines were copolymerized with difluorodiphenyl-sulphone under high temperature polyetherification conditions. Alternatively, the post-polymerization complexation of the terpyridine-iridium(III) monocomplexes onto the biphenyl-pyridine main chain homopolymer was explored. Both cases afforded solution-processable metallocomplex-polymers possessing the advantages of phosphorescent emitters in addition to high molecular weights and excellent film-forming ability via solution casting. The structural, optical, and electrochemical properties of the monomeric and polymeric heteroleptic iridium complexes were thoroughly investigated. The polymeric metallocomplexes were found to emit in the orange–red region (550–600 nm) with appropriate HOMO and LUMO levels to be used in conjunction with blue-emitting hosts. By varying the metal loading on the polymeric backbone, the emitter’s specific emission maxima could be successfully tuned.

scholarly journals The Anomalies of Hyaluronan Structures in Presence of Surface Active Phospholipids—Molecular Mass Dependence

Polymers ◽  
2018 ◽  
Vol 10 (3) ◽  
pp. 273 ◽  
Author(s):  
Piotr Bełdowski ◽  
Tomasz Andrysiak ◽  
Aleksandra Mreła ◽  
Zenon Pawlak ◽  
Wayne Augé ◽  
...  
Keyword(s):  
Molecular Mass ◽  
Mass Dependence ◽  
Surface Active

The formation of a liquid crystalline main chain polymer by means of photopolymerization

1998 ◽  
Vol 24 (3) ◽  
pp. 375-379 ◽  
Author(s):  
J. LUB ◽  
D. J. BROER ◽  
M. E. MARTINEZ ANTONIO ◽  
G. N. MOL
Keyword(s):  
Liquid Crystalline ◽  
Main Chain ◽  
Chain Polymer
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