Synthesis of Copolymers Based on Benzene and Biphenyl and their Characterization by XRD and DSC
DOI:
https://doi.org/10.6000/1929-5995.2012.01.01.1Keywords:
Polyphenylenes, conducting polymers, XRD, DSCAbstract
In this work the crystalinity and the thermal transitions of soluble and insoluble in chlorobenzene polyphenylene copolymers (synthesized by oxidative cationic polymerization) were studied. All copolymers had a degree of crystallinity between 44.6 and 66.7 %. With Differential Scanning Calorimentry (DSC) measurements it was found that the copolymers exhibited endothermic peaks in the region 268 up to 286 oC. These peaks in the case of soluble polyphenylenes were attributed to the melting of their crystallites, whereas in the case of insoluble polyphenylenes were attributed to liquid crystal transitions.
References
Foot PJS, Kaiser AB. Conducting Polymers. In: Kirk-Othmer Encyclopedia of Chemical Technology, New York: J. Wiley 2004; Vol. 7: pp. 513-550. http://dx.doi.org/10.1002/0471238961.0512050318052514.a01.pub2 DOI: https://doi.org/10.1002/0471238961.0512050318052514.a01.pub2
Lacaze PC, Aeiyach S, Lacroix JC. Poly(p-phenylenes): Preparation Techniques and Properties. In: Nalwa HS, editor. Handbook of Organic Conductive Molecules and Polymers. New York: J. Wiley 1997; pp. 205-220.
Grimsdale AC, Müllen K. Polyphenylene-type Emis Mat. Adv Polym Sci 2006; 199: 1-82. http://dx.doi.org/10.1007/12_076 DOI: https://doi.org/10.1007/12_076
Cianga I, Yagci Y. New Polyphenylene-based Macromol Archit. Prog Polym Sci 2004; 29: 387-99. http://dx.doi.org/10.1016/j.progpolymsci.2004.01.005 DOI: https://doi.org/10.1016/j.progpolymsci.2004.01.005
Simitzis J, Soulis S, Triantou D. Benzene as a Precursor for Conducting Polymers. In Benzene: Structure, Uses and Health Effects. Nova Science: New York (in press).
Simitzis J, Triantou D, Soulis S. Synth Charact Electr Cond Copol Based on Benzene and Biphenyl. J Appl Polym Sci 2008; 110: 356-67. http://dx.doi.org/10.1002/app.28477 DOI: https://doi.org/10.1002/app.28477
Elias HG. Makromolekuele, Huething Verlag: Basel, 1981, pp. 321-324.
Baker KN, Fratini AV, Resch T, et al. Crystal struct phase trans Poly(p-phenylene) oligom. Polymer 1993; 34: 1571-87. http://dx.doi.org/10.1016/0032-3861(93)90313-Y DOI: https://doi.org/10.1016/0032-3861(93)90313-Y
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