Hostname: page-component-745bb68f8f-b95js Total loading time: 0 Render date: 2025-01-28T10:19:16.189Z Has data issue: false hasContentIssue false
  • English
  • Français

Prediction and Design of First Super-Strong Mostly-Rigid Polymers from Very Molecular Theories for Smectic and Nematic Polymers

Published online by Cambridge University Press:  26 February 2011

F. Dowell
F. Dowell*
Affiliation:
Theoretical Division, Los Alamos National Laboratory, University of California, Los Alamos, NM 87545
Get access

Abstract

This paper presents a unique microscopic molecular theory for backbone liquid-crystalline polymers (LCPs), side-chain LCPs, and combined LCPs in the nematic (N) and multiple smectic-A (SA) LC phases and the isotropic (I) liquid phase. There are no ad hoc or arbitrarily adjustable parameters in this theory. The agreement between the theoretical and experimental values for various thermodynamic and molecular ordering properties for existing LCPs is very good (relative deviations between 0% and less than 6.2%). This theory has been used by this author to predict and design (atom by atom, bond by bond) the first super-strong (SS) LCPs. This paper presents the design of SS mostly-rigid (MR) LCPs.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 134: Symposium J – Materials Science and Engineering of Rigid-Rod Polymers , 1988 , 33
Copyright
Copyright © Materials Research Society 1989

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

1. Liepins, R. et al. , unpublished chemical synthesis research (Los Alamos National Laboratory).Google Scholar
2. Benicewicz, B. C. et al. , unpublished chemical synthesis research (Los Alamos National Laboratory).Google Scholar
3. Dowell, F., Mol. Cryst. Liq. Cryst. 157, 203 (1988).Google Scholar
4. Dowell, F., Mol. Cryst. Liq. Cryst. 155, 457 (1988).Google Scholar
5. Dowell, F., Phys. Rev. A 38, 382 (1988).Google Scholar
6. Dowell, F., Phys. Rev. A 36, 5046 (1987).Google Scholar
7. Dowell, F., Phys. Rev. A 31, 3214 (1985).CrossRefGoogle Scholar
8. Dowell, F., Phys. Rev. A 31, 2464 (1985).Google Scholar
9. Dowell, F., Phys. Rev. A 28, 3526 (1983).Google Scholar
10. Dowell, F., Phys. Rev. A 28, 3520 (1983).Google Scholar
11. Dowell, F., companion paper in this same Proceedings volume.Google Scholar
12. Dowell, F., in research proposals and progress reports to the funding sources (with indicated years) in the Acknowledgments section of this paper. Dowell, F., in research reports in Los Alamos National Laboratory (1983-present).Google Scholar
13. Dowell, F., “Strong Liquid-Crystalline Polymeric Compositions,” patent application filed with U.S. Patent Office.Google Scholar
14. Reck, B. and Ringsdorf, H., Makromol. Chem., Rapid Commun. 6, 291 (1985); 7, 389 (1986). S. Berg, V. Krone, and H. Ringsdorf, Makromol. Chem., Rapid Commun. 7, 381 (1986).Google Scholar
15. Tsai, T. and Arnold, F. E., Am. Chem. Soc. Div. Polym. Preprints, 27, 221 (1986). J. Burkett and F. E. Arnold, Am. Chem. Soc. Div. Polym. Preprints, 28, 278 (1987).Google Scholar
16. Adams, W. W. and Eby, R. K., MRS Bulletin 12 (8), 22 (1987).CrossRefGoogle Scholar
17. Longman, G. W., Wignall, G. D., and Sheldon, R. P., Polymer 20, 1063 (1979).CrossRefGoogle Scholar
18. Hirschfelder, J. O., Curtiss, C. F. and Bird, R. B., Molecular Theory of Gases and Liquids (Wiley, New York, 1964), pp. 1110-1113 and 1212–1215.Google Scholar
19. Klement, W. Jr., and Cohen, L. H., Mol. Cryst. Liq. Cryst. 27, 359 (1974).Google Scholar
20. Blumstein, A., Polymer J. (Jpn.) 17, 277 (1985).CrossRefGoogle Scholar
21. Meurisse, P. et al. , Brit. Poly. J. 13, 55 (1981).CrossRefGoogle Scholar
22. Blumstein, R. B. et al. , Macromolecules 17, 177 (1984).Google Scholar
23. Samulski, E. T. et al. , Macromolecules 17, 479 (1984).Google Scholar