Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Survey of Electrically Conducting Organic Materials
This article concentrates on the most important routes for synthesizing polymers containing conjugated -C=C- bonds. It begins with oxidative coupling, which at the start of the 60s developed through the different stages of polyaromatics and polyheteroaromatics to culminate in electrically conducting polymers. Subsequent chapters embrace Wittig reactions, cyclo-condensations and the formation of charge-transfer complexes, e.g. of polyaromatics. Complex formation has been found to dramatically increase electrical conductivity. Ziegler-Natta catalysts and other similar systems containing metals permit a very wide variety of polyenes to be synthesized. The application of, for example, metathesis reactions has led to soluble prepolymers and finally to characterized polymers. The article finishes by considering the synthesis of polymers that have been oriented by mechanical stretching, the direct preparation of oriented polymers by matrix polymerization and the preparation of transparent materials.
Survey of Electrically Conducting Organic Materials
This article concentrates on the most important routes for synthesizing polymers containing conjugated -C=C- bonds. It begins with oxidative coupling, which at the start of the 60s developed through the different stages of polyaromatics and polyheteroaromatics to culminate in electrically conducting polymers. Subsequent chapters embrace Wittig reactions, cyclo-condensations and the formation of charge-transfer complexes, e.g. of polyaromatics. Complex formation has been found to dramatically increase electrical conductivity. Ziegler-Natta catalysts and other similar systems containing metals permit a very wide variety of polyenes to be synthesized. The application of, for example, metathesis reactions has led to soluble prepolymers and finally to characterized polymers. The article finishes by considering the synthesis of polymers that have been oriented by mechanical stretching, the direct preparation of oriented polymers by matrix polymerization and the preparation of transparent materials.
Survey of Electrically Conducting Organic Materials
Brédas, J. L. (Herausgeber:in) / Chance, R. R. (Herausgeber:in) / Naarmann, H. (Autor:in)
01.01.1990
41 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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