1970
DOI: 10.1002/cite.330420915
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Glasartiger Kohlenstoff

Abstract: Es wird ein uberblick iiber den derzeitigen Stand der Kenntnis auf dem Gebiet des glasartigen Kohlenstoffes gegeben. Glasartiger Kohlenstoff, eine parakristalline Substanz geringer Dichte (= 1,5 g/cm3)), kann aus bestimmten organischen Polymeren durch Festkorper-Pyrolyse hergestellt werden. Die Kriterien fur die Auswahl geeigneter Ausgangssubstanzen werden genannt und die Eigenschaftsiinderungen dieser Substanzen wiihrend des Pyrolyse-Vorganges diskutiert . Das Endprodukt der Umwandlung, glasartiger Kohlenstof… Show more

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Cited by 11 publications
(4 citation statements)
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“…32 In general, this behaviour is rather typical for ''non-graphitizing'' highly cross-linked polymers (''Duroplaste'' or ''thermosets''). 35 Evolution of CO 2 was seen to be a favoured process which is interesting with respect to the formation of a pure C-N network.…”
Section: Discussionmentioning
confidence: 92%
“…32 In general, this behaviour is rather typical for ''non-graphitizing'' highly cross-linked polymers (''Duroplaste'' or ''thermosets''). 35 Evolution of CO 2 was seen to be a favoured process which is interesting with respect to the formation of a pure C-N network.…”
Section: Discussionmentioning
confidence: 92%
“…In fact, in a thermodynamic study concerning the pyrolysis of heterocarbons in the C-O-X system (X: heteroelements), it was shown that all of the oxygen leaving is bound effectively to carbon. 37 Complete oxygen removal from such samples is achieved by evolution of CO 2 . Most notably, this is not the case with sulfur.…”
Section: Discussionmentioning
confidence: 99%
“…Of these, glassy carbon (GC) exhibits an exceptional corrosion resistance which is of interest in many applications. GC is obtained by solid state pyrolysis of a phenol-containing resin, typically between 1500 and 2500 K. Although the actual structure of a GC sample depends on the resin precursor and the applied temperatures, several investigations have shown that GC consists of interlinked structurally disordered graphite fibrils, whose lengths and cross-sections are so small that GC can be classified as an amorphous solid [1][2][3]. The density of GC is rather small compared to the graphite density, 1.5 vs 2.25 g/cm 3 , due to closed voids of nm size in the material.…”
Section: Introductionmentioning
confidence: 99%