Poly(amide-amide acids), polyamide acids, poly- (esteramide...

Details Poly(amide-amide acids), polyamide acids, poly- (esteramide... Poly(amide-amide acids), polyamide acids, poly- (esteramide...

C - Chemistry, Metallurgy

08

G

402/2, 402/297,

C08G 73/10 (2006.01) C08G 73/14 (2006.01) C08G 73/16 (2006.01)

Patent

CA 1257448

IMPROVED POLY(AMIDE-AMIDE ACIDS), POLYAMIDE ACIDS, POLY(ESTERAMIDE ACIDS), POLY(AMIDE-IMIDES), POLYIMIDES, POLY(ESTERIMIDES) ABSTRACT OF THE INVENTION Aromatic or aliphatic dianhydrides and/or acid anhydrides are reacted with certain aromatic diamines alone or in combination with other diamines to produce polyimides, polyamide acids, poly(amide-imides), poly(amide-amide acids), poly(esterimides) or poly(esteramide acids). These polymers are thermoplastic in nature and have improved processing characteristics and thermal stability. The polymers may be prepared by either melt or solution polymerization techniques. -i-

482769

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