Cellular material

Details Cellular material Cellular material

1972-12-01

1976-06-29

Briggs, Sr,, Wilbert J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 2N, 260 2EP, 260 28R, 260 25S, 260 47EP, 260 47EA, 260 47EN, 260824EP, 260827, C08J 900, C08L 6300, C08L 9500

Patent

active

039666530

ABSTRACT:
Cellular materials based on epoxy resins are known but are difficult to manufacture because of high exotherm. The addition of coal pitch which may be coal tar pitch or coal digest mitigates this to an extent not related to the heat capacity of the coal pitch. Cellular materials having fine even cells can easily be made. Certain epoxy resins enable flexible cellular materials to be manufactured.

REFERENCES:
patent: 2739134 (1956-03-01), Parry et al.
patent: 3051665 (1962-08-01), Wismer et al.
patent: 3251786 (1966-05-01), Edmonds
patent: 3385802 (1968-05-01), Trieschock
patent: 3420794 (1969-01-01), May et al.
patent: 3749688 (1973-07-01), Mihelic
patent: 3772231 (1973-11-01), Enomoto et al.

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