Method for reproducibly preparing a low-melting high-carbon yiel

Details Method for reproducibly preparing a low-melting high-carbon yiel Method for reproducibly preparing a low-melting high-carbon yiel

1977-06-21

1978-05-23

Lilling, Herbert J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

260 37R, 260 4243, 526280, C08F 202, C08F 3208, C08F13200

Patent

active

040911969

ABSTRACT:
The present invention is directed to a method for preparing a reproducible synthetic carbon precursor by the autoclave polymerization of indene (C.sub.9 H.sub.8) at a temperature in the range of 470.degree.-485.degree. C, and at a pressure in the range of about 1000 to about 4300 psi. Volatiles in the resulting liquid indene polymer are removed by vacuum outgassing to form a solid carbon precursor characterized by having a relatively low melting temperature, high-carbon yield, and high reproducibility which provide for the fabrication of carbon and graphite composites having strict requirements for reproducible properties.

REFERENCES:
patent: 2373714 (1945-04-01), Soday
patent: 3574653 (1971-04-01), Edstrom et al.

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