Process and apparatus for the manufacture of carbon microballoons

This invention provides a stepped heating cycle for the pre-treatment of phenolic microballoons prior to carbonization thereof, wherein the heating cycle comprises the steps of sequentially: gradually elevating the temperature of the microballoons to a temperature in the range 100° C.-170° C., holdi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Booker, Laurie, Walker, Terence
Format: Patent
Sprache:eng
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