Liquid crystal compounds having perfluoroether terminal portions

Details Liquid crystal compounds having perfluoroether terminal portions Liquid crystal compounds having perfluoroether terminal portions

1994-11-14

1996-01-09

Wu, Shean

Compositions

Liquid crystal compositions

25229961, 25229962, 25229963, 25229964, 25229966, 568681, C09K 1952, C09K 1934, C09K 1930, C07C 4300

Patent

active

054826500

ABSTRACT:
Fluorine-containing liquid crystal compounds comprise a fluorocarbon terminal portion having at least one catenary ether oxygen and a hydrocarbon terminal portion, the terminal portions being connected by a central core. The compounds have smectic or latent smectic mesophases.

REFERENCES:
patent: 4367924 (1983-01-01), Clark et al.
patent: 4411494 (1983-10-01), Crossland et al.
patent: 4419664 (1983-12-01), Crossland et al.
patent: 4528562 (1985-07-01), Crossland et al.
patent: 4886619 (1989-12-01), Janulis
patent: 5051527 (1991-09-01), Suzuki et al.
patent: 5062691 (1991-11-01), Tristani-Kendra et al.
patent: 5082587 (1992-01-01), Janulis
patent: 5087672 (1992-02-01), Babirad et al.
patent: 5132041 (1992-07-01), Cumming et al.
patent: 5196140 (1993-03-01), Poetsch et al.
patent: 5262082 (1993-11-01), Janulis et al.
patent: 5362919 (1994-11-01), Costello et al.
CA 69:2460 abstract, "Formation of fluorinated ethers in a modified halohskydrin reaction", 1968.
CA 68:12475 abstract "Fluorinated organic ethers", 1968.
Kahn, F. J., App. Phys. lett., vol. 22, p. 111 (1973).
Lagerwall et al.; 1st International Symposium on Ferroelectric Liquid Crystals, Bordeaux-Arcachon, France, 1987.
Pelzl, G. et al.; Kristall Technik, vol. 14, p. 817 (1979).
Pelzl, G. et al., Mol. Cryst. Liq. Cryst., vol. 53, p. 167 (1979).
Pelzl, G. et al., Liquis Crystals, vol. 2, p. 21, (1987).
Pelzl, G. et al., Liquid Crystals, vol. 2, p. 131 (1987).
Meyer, R. B. et al., J. Physique, vol. 36, pp. 1-69 (1975).
Clark, N. A. et al., Appl. Phys. Lett., vol. 36, p. 899 (1980).
Zaschke, H. and Stolle R, "Synthesis niedrigschmelzender, Kristallin-Flussiger Hetercyclen; 5-n-Alkyl-2-[4-n-alkanoyloxy-phenyl]pyrimidinr", Z. Chem., 15, pp. 441-443 (1975).
Partridge, M. W. and Short, W. F., J. Chem. Soc., p. 390 (1947).
Arnold, Z. and Storm F., Coll. Czech. Chem. Commun., 23, p. 452 (1958).
Reiffenrath, V. et al, "New Liquid Crystalline Compounds With Negative Dielectric Anisotrophy", Liquid Crystals, 5, pp. 159-170 (1989).
Holy, A. and Arnold Z., Coll. Czech. Chem. Commun., 38, p. 1372 (1973).
Hanack and Auchter, JACS 107 5238 (1985).
Y. Takanishi et al., "Spontaneous Formation of Quasi-Bookshelf Layer Structure in New Ferroelectric Liquid Crystals Derived from Naphthalene Ring", Mol. Cryst. Liq. Cryst., vol. 199, pp. 111-118 (1991).
C. G. Krespan in J. Org. Chem. 23, 2016 (1958).
P. M. Savu in Kirk-Othmer Encyclopedia of Chemical Technology, Fourth Edition, John Wiley & Sons, vol. 11, pp. 558-564, New York (1994).

Affiliated with

Also associated with

Rating

Liquid crystal compounds having perfluoroether terminal portions does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Liquid crystal compounds having perfluoroether terminal portions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Liquid crystal compounds having perfluoroether terminal portions will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1300620