Low-density, furfuryl benzylic phenolic thermosetting foam...

Details Low-density, furfuryl benzylic phenolic thermosetting foam... Low-density, furfuryl benzylic phenolic thermosetting foam...

C - Chemistry, Metallurgy

08

J

403/54

C08J 9/00 (2006.01) C08L 61/14 (2006.01)

Patent

CA 1197048

ABSTRACT A low-density, low-friability, furfuryl-phenol thermosetting foam product is prepared by reacting, in the presence of a blowing agent and an acid catalyst, a furfuryl-alcohol monomer or polymer and a benzylic-ether phenol- formaldehyde resin, having a mole ratio of benzylic-ether phenol to formaldehyde of from about 1:3 to 1:1, which reaction provides a closed-cell, thermosetting foam product having a foam density of 0.5 pound per cubic foot or less.

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