Foamed thermoset articles and processes

Details Foamed thermoset articles and processes Foamed thermoset articles and processes

1975-06-13

1977-05-31

Anderson, Philip

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

264 453, 264 54, 264 55, 264DIG5, 264DIG17, B29D 2700

Patent

active

040268284

ABSTRACT:
Foamed thermoset articles are produced by introducing a thermosettable organic resin, a specific class of blowing agents, inorganic particulate filler, and glass fiber in a mold at a given temperature and pressure, and then lowering the mold pressure to a predetermined reduced pressure to cause foaming, and completing the foaming before gelation. The foamed thermoset articles are also disclosed.

REFERENCES:
patent: 2764566 (1956-09-01), Simon et al.
patent: 3215650 (1965-11-01), Julius et al.
patent: 3239424 (1966-03-01), Culk
patent: 3256218 (1966-06-01), Knox
patent: 3332895 (1967-07-01), Munn
patent: 3441523 (1969-04-01), Dwyer et al.
patent: 3802949 (1974-04-01), Brown et al.
patent: 3867495 (1975-02-01), Heller
patent: 3878278 (1975-04-01), Miller et al.
patent: 3896060 (1975-07-01), Plunguian et al.

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