Patent ID: 6689899
Filing Date: 2004-02-10
Classification: C07C,C08G,G03F

Abstract:
A novel diamine useful for synthesizing a polyimide having a cinnamoyl group in a main chain or a side chain, wherein said diamine is represented by the general formula (8), whereinp equals 1 to 3, q equals 1 to 3, V represents H, CH3, F, Cl, Br, or CH3Oâ€”, and Y represents a divalent organic group selected from the group consisting of: r equals 1 to 3, n equals 1 to 20, W represents â€”CH2â€” or â€”(CH2)mâ€”Oâ€” wherein m=1 to 15, and, V represents H, CH3, F, Cl, Br, or CH3Oâ€”.