Phenolic resin foam and process for producing the same

Details Phenolic resin foam and process for producing the same Phenolic resin foam and process for producing the same

1983-07-11

1984-07-24

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521128, 521136, 521181, 521177, C08G 1832, C08J 900

Patent

active

044618522

ABSTRACT:
A phenolic resin foam having excellent mechanical strength and flame resistance is obtained by letting a resinous mixture comprising a benzylic ether type phenolic resin, a blowing agent, an aromatic sulfonic acid, a polyisocyanate compound, and water to stand at room temperature or more so as to allow the mixture to foam and solidify.

REFERENCES:
patent: 3485797 (1969-12-01), Robins
patent: 4390641 (1983-06-01), Smith

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