Graphite electrodes and their production
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United States of America Patent
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May 9, 1995
Grant Date -
N/A
app pub date -
Oct 22, 1985
filing date -
Oct 22, 1985
priority date (Note) -
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Importance
Abstract
A unitary composite structure having improved flexural strength and a reduced coefficient of thermal expansion comprising a heterogeneous combination of a carbonaceous reinforcing material interbonded with a matrix material, wherein the said matrix material is a poorly graphitizing carbonaceous pitch containing polymerized and cross-linked aromatic components is disclosed. Graphite electrodes comprised of the poorly graphitized pitch matrix material acting as a binder and/or an impregnant are also disclosed. Processes for the preparation of the poorly graphitizing pitch, the composite structure, and particularly the graphite electrodes are disclosed as well.
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