C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 79/08 (2006.01) C08G 73/10 (2006.01)
Patent
CA 2042939
Abstract of the Invention A polyimide resin composition with outstanding heat resistance and mechanical properties is disclosed, along with a novel method of its preparation. A tetracarboxylic acid or its derivative and an aromatic diamine are dissolved in a solvent system of mixed phenols and are both polymerized and imidized on one step.
Gowling Lafleur Henderson Llp
W.r. Grace & Co.,-Conn.
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