Foams from phenolic resins and isocyanates, and process for the

Details Foams from phenolic resins and isocyanates, and process for the Foams from phenolic resins and isocyanates, and process for the

1976-09-27

1978-10-31

Ivy, C. Warren

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521165, 521167, 521901, 521902, C08G 1814, C08G 1850, C08K 322, C08K 308

Patent

active

041235991

ABSTRACT:
This invention relates to a process for the manufacture of foams based on phenolic resins, wherein phenolic resins are reacted, in the presence of metal powders and/or metal oxide powders, with organic diisocyanates and/or polyisocyanates.

REFERENCES:
patent: 2608536 (1952-08-01), Sterling
patent: 2806006 (1957-09-01), Proctor
patent: 2917384 (1959-12-01), Grandey
patent: 3385914 (1968-05-01), Hindersinn
patent: 3494966 (1970-02-01), Geering
patent: 3598771 (1971-08-01), Davis
patent: 3632531 (1972-01-01), Rush
patent: 3645923 (1972-02-01), Kan
patent: 3689440 (1972-09-01), Glaesmann
patent: 3751392 (1973-08-01), Olstowski
patent: 3943077 (1976-03-01), Bell
patent: 3948824 (1976-04-01), Robins
patent: 3951885 (1976-04-01), Thompson
patent: 3998766 (1976-12-01), Kan
Rose, The Condensed Chemical Dictionary, 5th Edition; Reinhold publishing Corp.; 1956; pp. 848-849.
Benning, Plastic Foams: The Physics and Chemistry of Product Performance and Process Tech., vol. 1; Wiley Intersci.; 1969; pp. 423-427.

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