Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1993-04-07
1993-12-07
Ramsuer, Robert W.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
548462, C07D40312
Patent
active
052684873
ABSTRACT:
Disclosed is a poly(amide-ether-imide) and the preparation of the same. An ether chain-containing aromatic diamine is subject to thermal condensation with trimellitic anhydride (TMA) in a polar solvent to obtain diimide dicarboxylic acid, followed by polycondensing the diimide dicarboxlic acid with diamine to form the poly(amide-ether-imide). The poly(amide-ether-imide) of the present invention has superior strength, heat resistance, and processability. The preparation of the present invention is simple and economic.
REFERENCES:
patent: 3461136 (1969-08-01), Pruckmayr et al.
patent: 3920612 (1975-11-01), Stevens
patent: 4048144 (1977-09-01), Stevens
patent: 4118392 (1978-10-01), Salle et al.
patent: 4145351 (1979-03-01), Schmidt et al.
Hsiao Sheng-Huei
Lin Jiun-Hung
Yang Chin-Ping
Haley Jacqueline
Liauh W. Wayne
National Science Council
Ramsuer Robert W.
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