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Pregled bibliografske jedinice broj: 815965

Interplay between nematic ordering and thermomechanical response in a side-chain liquid single crystal elastomer containing pendant azomesogen units

Domenici, Valentina; Ambrožić, Gabriela; Čopič, Martin; Lebar, Andrija; Drevenšek Olenik, Irena; Umek, Polona; Zalar, Boštjan; Zupančič, Blaž; Žigon, Majda
Interplay between nematic ordering and thermomechanical response in a side-chain liquid single crystal elastomer containing pendant azomesogen units // Polymer, 50 (2009), 20; 4837-4844 doi:10.1016/j.polymer.2009.08.021 (međunarodna recenzija, članak, znanstveni)

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Naslov
Interplay between nematic ordering and thermomechanical response in a side-chain liquid single crystal elastomer containing pendant azomesogen units

Autori
Domenici, Valentina ; Ambrožić, Gabriela ; Čopič, Martin ; Lebar, Andrija ; Drevenšek Olenik, Irena ; Umek, Polona ; Zalar, Boštjan ; Zupančič, Blaž ; Žigon, Majda

Izvornik
Polymer (0032-3861) 50 (2009), 20; 4837-4844

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Liquid single crystal elastomer ; Orientational order ; Nuclear magnetic resonance

Sažetak
Photoactive materials based on azobenzene derivatives exhibit interesting properties related to the reversible photo-isomerisation between the trans and cis isomers of the azo-compound. In this work we report the preparation and physical-chemical characterization of Liquid Single Crystal Elastomers (LSCEs) containing azobenzene derivative side-chain mesogens as co-monomer. The interplay between the orientational ordering and mechanical response in the nematic phase is investigated by thermomechanical measurements as well as by deuteron NMR spectroscopy. We demonstrate that local nematic order can be reliably probed in azo-LSCEs using low molar mass deuterated cyanobiphenyl nematogen in low concentrations. No phase separation of the dopant is observed. The nematoelastic coupling e(av)(T)proportional to S-av(T) between the effective sample deformation and average nematic order parameter is present over a wide temperature range even in the systems with relatively large heterogeneity of the nematic order and misaligned nematic domains.

Izvorni jezik
Engleski

Znanstvena područja
Fizika, Kemija



POVEZANOST RADA

Profili:

Avatar Url Gabriela Ambrožić (autor)

Poveznice na cjeloviti tekst rada:

doi

Citiraj ovu publikaciju:

Domenici, Valentina; Ambrožić, Gabriela; Čopič, Martin; Lebar, Andrija; Drevenšek Olenik, Irena; Umek, Polona; Zalar, Boštjan; Zupančič, Blaž; Žigon, Majda
Interplay between nematic ordering and thermomechanical response in a side-chain liquid single crystal elastomer containing pendant azomesogen units // Polymer, 50 (2009), 20; 4837-4844 doi:10.1016/j.polymer.2009.08.021 (međunarodna recenzija, članak, znanstveni)
Domenici, V., Ambrožić, G., Čopič, M., Lebar, A., Drevenšek Olenik, I., Umek, P., Zalar, B., Zupančič, B. & Žigon, M. (2009) Interplay between nematic ordering and thermomechanical response in a side-chain liquid single crystal elastomer containing pendant azomesogen units. Polymer, 50 (20), 4837-4844 doi:10.1016/j.polymer.2009.08.021.
@article{article, author = {Domenici, Valentina and Ambro\v{z}i\'{c}, Gabriela and \v{C}opi\v{c}, Martin and Lebar, Andrija and Dreven\v{s}ek Olenik, Irena and Umek, Polona and Zalar, Bo\v{s}tjan and Zupan\v{c}i\v{c}, Bla\v{z} and \v{Z}igon, Majda}, year = {2009}, pages = {4837-4844}, DOI = {10.1016/j.polymer.2009.08.021}, keywords = {Liquid single crystal elastomer, Orientational order, Nuclear magnetic resonance}, journal = {Polymer}, doi = {10.1016/j.polymer.2009.08.021}, volume = {50}, number = {20}, issn = {0032-3861}, title = {Interplay between nematic ordering and thermomechanical response in a side-chain liquid single crystal elastomer containing pendant azomesogen units}, keyword = {Liquid single crystal elastomer, Orientational order, Nuclear magnetic resonance} }
@article{article, author = {Domenici, Valentina and Ambro\v{z}i\'{c}, Gabriela and \v{C}opi\v{c}, Martin and Lebar, Andrija and Dreven\v{s}ek Olenik, Irena and Umek, Polona and Zalar, Bo\v{s}tjan and Zupan\v{c}i\v{c}, Bla\v{z} and \v{Z}igon, Majda}, year = {2009}, pages = {4837-4844}, DOI = {10.1016/j.polymer.2009.08.021}, keywords = {Liquid single crystal elastomer, Orientational order, Nuclear magnetic resonance}, journal = {Polymer}, doi = {10.1016/j.polymer.2009.08.021}, volume = {50}, number = {20}, issn = {0032-3861}, title = {Interplay between nematic ordering and thermomechanical response in a side-chain liquid single crystal elastomer containing pendant azomesogen units}, keyword = {Liquid single crystal elastomer, Orientational order, Nuclear magnetic resonance} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus

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