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The thermal polymerisation of a diacetylenic liquid crystal (1992)

Tsibouklis, J. ; Campbell, C. ; Werninck, A. R. ; [et al.]

Springer

Polymer bulletin 29 (1992), S. 661-668

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ISSN: 1436-2449

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics

Notes: Summary In this paper, the polymerisation of a conjugated liquid crystalline diacetylene is reported. The structure of the polymer is discussed in relation to results from spectroscopic studies and molecular weight determinations. The polymer has a backbone structure analogous to that of other polydiacetylenes.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01041152

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Thermal and optical studies on some monomer and polymer diacetylenes (1990)

Milburn, G. H. W. ; Campbell, C. ; Shand, A. J. ; [et al.]

Springer

Journal of thermal analysis and calorimetry 36 (1990), S. 1669-1674

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ISSN: 1572-8943

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Description / Table of Contents: Zusammenfassung Es werden thermische und optische Studien einiger Diacethylene beschrieben, die zwecks der Senkung der Temperatur für das Auftreten von Mesophasen eigens gestaltet wurden. Ursprüngliche Untersuchungen an symmetrischen Molekülen wurden erweitert, um auch typische Flüssigkeitskristallmoleküle mit Diacethylenen mit Polymerhauptketten und unsymmetrisch substituierte Diacethylene wie Schiff-Basen mit langen Alkylketten einzubeziehen.

Notes: Abstract We describe the thermal and optical studies of some diacetylene molecules which were specially designed in an attempt to reduce the temperature at which the mesophase appears. Original studies were on symmetrical molecules and these were extended to include typical liquid crystal molecules with diacetylenes providing a polymeric backbone and unsymmetrically substituted diacetylenes including Schiffs bases with long alkyl chains.