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Polymers, Inorganic and Organometallic 695

(ROP) reactions. Thus polyferrocenes with alkyl, ester, ING • SILICONE (SILOXANE)SURFACTANTS • SOL-GEL
amide, urea, urethane, ether, sulfur, siloxyl, and other PROCESSING
functionalities between ferrocenyl units have been re-
ported. Some examples are given in Fig. 41. For exam-
ple, poly(ferrocenylmethylene) has been obtained with BIBLIOGRAPHY
MW 20 000.
High-MW, soluble, film-forming polymers as well as Laine,R.M.,Sanchez,C.,Brinker,C.J.,andGianneles,E.(eds.).(1998).
random and block copolymers with SiRR
units (R, “Organic–Inorganic Hybrid Materials,” Materials Research Society,
2

R = H, alkyl, aryl) bridging the ferrocenyl groups can Warrendale, PA.
Mark, J. E., Allcock, H. R., and West, R. (1992). “Inorganic Polymers,”
be prepared by anionic or ROP at moderate temperatures
Prentice Hall, Englewood Cliffs, NJ.
[Eq. (32)]: Mark, J. E., Lee, C. Y-C., and Bianconi, P. A. (eds.). (1995). “Hy-
brid Organic–Inorganic Composites,” American Chemical Society,
R
Washington, DC.
Si Pittman, C. U., Jr., Carraher, C. E., Jr., Zeldin, M., Sheats, J. E., and
n Fe SiR 2 Fe (32) Culbertson, B. M. (eds.). (1996). “Metal-Containing Polymeric Ma-
150 C R terials,” Plenum Press, New York.
n Sheats, J. E., Carraher, C. E., Jr., Pittman, C. U., Jr., Zeldin, M., and
Currell, B. (eds.). (1990). “Inorganic and Metal-Containing Polymeric
5
6
MW values ranging from 10 to 10 have been obtained. Materials,” Plenum Press, New York.
These polymers exhibit electrochromism, photoactivity, Wisian-Neilson, P., Allcock, H. R., and Wynne, K. J. (eds.). (1994).
and semiconductor behavior. “Inorganic and Organometallic Polymers II. Advanced Materi-
als and Intermediates,” American Chemical Society, Washington,
DC.
SEE ALSO THE FOLLOWING ARTICLES Zeldin, M., Wynne, K. J., and Allcock, H. R. (eds.). (1987). “Inor-
ganic and Organometallic Polymers,” American Chemical Society,
Washington, DC.
BIOPOLYMERS • MACROMOLECULES,STRUCTURE • Ziegler, J. M., and Fearon, F. W. (eds.). (1990). “Silicon-Based Polymer
ORGANOMETALLIC CHEMISTRY • POLYMER PROCESS- Science,” American Chemical Society, Washington, DC.