초록 ▼

A process for producing graphite includes heat treating, in an inert gas or in vacuo, at least one polymer selected from the group consisting of a polyphenyleneoxadiazole, polybenzothiazoles, a polybenzobisthiazole, a polybenzoxazole, a polybenzobisoxazole and a polythiazole, at a temperature of at

A process for producing graphite includes heat treating, in an inert gas or in vacuo, at least one polymer selected from the group consisting of a polyphenyleneoxadiazole, polybenzothiazoles, a polybenzobisthiazole, a polybenzoxazole, a polybenzobisoxazole and a polythiazole, at a temperature of at least 1600°C., preferably at least 2000°C., for at least 30 minutes, preferably at least 60 minutes, to convert the polymer to a highly-graphitized graphite. The process produces almost perfect graphite in any shape, such as film-shaped for large-area graphite, fibrous or powdered.

대표청구항 ▼

A process for producing graphite, which comprises heat treating a film-shaped polymer selected from the group consisting of poly (m-phenylene-1,3,4-oxadiazole), poly (p-phenylene-1,3,4-oxadiazole), polybenzothiazoles, a polybenzobisthiazole, a polybenzoxazole, a polybenzobisoxazole and a polythiazol

A process for producing graphite, which comprises heat treating a film-shaped polymer selected from the group consisting of poly (m-phenylene-1,3,4-oxadiazole), poly (p-phenylene-1,3,4-oxadiazole), polybenzothiazoles, a polybenzobisthiazole, a polybenzoxazole, a polybenzobisoxazole and a polythiazole in an inert gas atmosphere or in vacuo, at a temperature of at least 2500 °C., for at least 30 minutes, and thereby converting the polymer to highly-graphitized graphite.