C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
403/56
C08G 59/24 (2006.01) C08G 59/06 (2006.01) C08G 59/62 (2006.01) C08J 9/00 (2006.01) C08J 9/02 (2006.01) C08J 9/08 (2006.01) C08L 63/00 (2006.01)
Patent
CA 1321674
72932-20 ABSTRACT OF THE DISCLOSURE Disclosed is a process for the production of an epoxy resin foam, in which a polyepoxy compound having at least two epoxy groups is crosslinked and simultaneously foamed by the aid of a carbonate oligomer having terminal phenolic hydroxyl groups. The product is highly flexible against compression, bending and warp. The process proceeds without using a conventional foaming agent, since the carbonate oligomer releases carbon dioxide which acts as a foaming agent.
579860
Harada Taira
Hashimoto Michio
Kaneko Isao
Kiso Yoshihisa
Suzuki Gorou
Mitsui Chemicals Incorporated
Smart & Biggar
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