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Poly [Benzobis Thiazole] (PBT)/SOL-GEL Microcomposites

  • R. Ross Haghighat (a1), Robert F. Kovar (a1) and Ricahrd W. Lusignea (a1)

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The objective of this Small-Bus i ness Innovative Research (SBIR) effort is to expand on work reported previously [1] and further develop a new class of microcomposite materials which combine the outstanding properties of ordered polymers and the excellent compressive strength of glass. In Phase I we demonstrated adverse property changes in poly(p-phenylene benzobisthiazole) (PBT) ordered polymer films by infiltrating sol-gel glass reagents. During Phase II we have addressed the following areas: sol-gel infiltration process; effect of sol-gel glass composition; tensile strength characterization, microcomposite UV resistance, lamination process, compressive strength determination. The following subsections present the work conducted to date.

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1. Kovar, R.F., Lusignea, R.W., 3rd Int'1 Conf. on Ultrastruclures, San Diego, CA, February, 1987.
2. Allen, S.R., Filippov, A.G., Farris, R.J., Thomas, E.L., Wong, C.P., Berry, G.C., and Chemevey, E.C., Mac romolecules, 14, 1135 (1981).
3. Allen, S.R., Filippov, A.G., Farris, R.J., and Thomas, E.L., in: Zachariades, A.E. and Porter, R.S., Eds., The Stength and Stiffness of Polymers, Marcel Dekker, New York (1983).
4. Wolfe, J.F., Loo, BM.M., and Arnold, F.E., Macromolecules, 14, 915 (1981);
Mark, J.E. and Pan, S.J., Macromol. Rapid Commun. (3), 681685-(1982).
5. Ning, Y.P., Tang, M.Y., Jiang, C.Y. and Mark, J.E., J. Appl. Polym. Sci., V29, 3209, 3212 (1984).
6. Proceedings of the First International Workshop on Glasses and Glass Ceramics from Gels. J. Non-Cryst. Solids, 48(1–2)(1982).
7. Proceedings of the First International Workshop on Glasses and Glass Ceramics from Gels. J. Non-Cryst. Solids, 63 (102) (1984).
8. Rabinovich, E.M., et al., J. Am. Ceram. Soc. 66, 683699 (1983).
9. Scherer, G.W. and Luong, J.C., J. Non-Cryst. Solids, 63, 163172 (1984).

Poly [Benzobis Thiazole] (PBT)/SOL-GEL Microcomposites

  • R. Ross Haghighat (a1), Robert F. Kovar (a1) and Ricahrd W. Lusignea (a1)

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