Hard foam core for laminates

C - Chemistry – Metallurgy – 08 – J

Patent

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Details

403/66, 154/123.

C08J 9/00 (2006.01) B32B 5/18 (2006.01) C08J 9/14 (2006.01) C08K 3/00 (2006.01) C08K 3/04 (2006.01) C08L 33/24 (2006.01) H01B 1/24 (2006.01)

Patent

CA 1336737

Rigid foamed polymethacrylimide synthetic resins containing from 0.1 to 10 percent by weight of electrically conductive particles such as conductive carbon black exhibit improved properties when used in rapidly flowing streams of gases, are particularly suitable for use as a core material in laminates for aircraft construction, and are prepared by heating a copolymer of methacrylic acid and methacrylonitrile containing a blowing agent and conductive particles.

607595

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