Abstract
Vinyl-type polymers are attractive as precursor for carbon materials because of their high carbon content and good processability. If these polymers are exposed to a carbonization atmosphere, however a large mass loss and fusion usually take place. Thus, some additional treatment for enhancing the thermal stability of the polymers is required prior to carbonization, and this treatment is referred to as stabilization. Since most of vinyl-type polymers are thermally decomposed only at temperatures above their melting points, it is difficult to stabilize them with a low-temperature heat-treatment in air. It is known that the treatments with chemical agents can convert vinyl-type polymers to the thermal resistant polymers. The present authors have developed the novel production processes of carbon materials from various vinyl-type polymers by using a combination of chemical treatment and high-temperature heat-treatment. This paper reviews the structure and properties of viny-type polymer-based carbon materials.
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