Advances in Liquid Crystal Research and Applications. - download pdf or read online

By Lajos Bata

ISBN-10: 1483117758

ISBN-13: 9781483117751

Advances in Liquid Crystal examine and functions, quantity 2 covers the complaints of the 3rd Liquid Crystal convention of the Socialist international locations. The booklet discusses numerous papers in regards to the improvement and development of the examine and alertness points of liquid crystals.
The textual content is created from fifty two chapters which are prepared into 4 components explaining a facet of liquid crystal. half I covers amphiphilic, whereas half II discusses mesomorphic polymers. The 3rd half tackles synthesis and the fourth half talks in regards to the actual houses and purposes.
The publication can be of serious use to researchers and pros whose line of labor issues liquid crystals.

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Extra resources for Advances in Liquid Crystal Research and Applications. Proceedings of the Third Liquid Crystal Conference of the Socialist Countries, Budapest, 27–31 August 1979

Sample text

The molecules within a layer remaining coaxial with the Z-axis of the texture in re­ lation with the layer make an angle of 90-ω = 47 . 997 8 = 23 8. , v A - ' l(s) = _ I 12 n"l ml I—I 2 F I m is a cylindrically symmetrical component of the inr £ tensity scattering of an isolated molecule of 6-OBFD, I F I is a cylindrically symmetrical constituent of the structural amplitude of the 6-OBFD molecule. The appearance of the curve 2π^Ζ (t) is shown in Fig. 8. 5 8 characterize the most prob­ able intermolecular distances in the first and the second co- fr Ζ\*κ 9- 4 · The X-ray diagram of the smectic liquid crystal of the f irst modification t=167 C, its scheme and the molecular packing model.

Needle shaped single crystals of the homologues with n = 3 up to n = 8 were obtained by recrystallization from acetone. The crystals placed in thin glass capillaries and mounted on the Weissenberg goniometer were heated by a stream of hot air. The small angle equipment was used to precisely determine the layer spacing (accuracy about - 0 . 1 A ) as a function of temperature. RESULTS The crystalline state Crystal data obtained by evaluation of rotating crystal and Weissenberg photographs are listed in Table 1.

2·), is remarkable with respect to the sequence position of J between G and P. Comparing miscibility investigations with substances forming the sequence I P G are of interest. 2· Structures The great number of smectic phases which are characterized by miscibility measurements faces an increasing number of phases, which are characterized by structure investigations. These in­ vestigations possess different statements, according to diffe­ rent experimental and methodical conditions. A first summary can be given when some essential characteristics of the structures found are used.

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Advances in Liquid Crystal Research and Applications. Proceedings of the Third Liquid Crystal Conference of the Socialist Countries, Budapest, 27–31 August 1979 by Lajos Bata


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