Process for the production of flame-resistant phenolic resin foa

Details Process for the production of flame-resistant phenolic resin foa Process for the production of flame-resistant phenolic resin foa

1975-03-03

1977-01-04

Tillman, Murray

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 293, 260 334R, 260 336R, 260 338R, 260 342, 106 15FP, C08J 914, C08J 916

Patent

active

040011488

ABSTRACT:
Flame-resistant foam plastics are prepared by mixing with an aqueous alkaline condensed phenol-formaldehyde resin solution an expanding agent such as hexane and an acidic curing agent after which the mixture is foamed and permitted to cure. Useful acidic curing agents, comprise mixtures of a strong inorganic or organic acid, a glycol and phosphoric acid.

REFERENCES:
patent: 3779955 (1973-12-01), Wade
Benning, Plastic Foams I, pp. 424-429 (Wiley-Interscience, 1969).
Frisch et al., Plastic Foams I, part II, pp. 641-651, 668-673, (Marcel Dekker, 1973).
Chem. Abs. 66:P46779b.

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