Heat-stable polyimide resins

Details Heat-stable polyimide resins Heat-stable polyimide resins

1976-05-17

1977-08-02

Anderson, Harold D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 47CZ, 260 65, 260 78UA, C08L 7706, C08G 6926

Patent

active

040396282

ABSTRACT:
New heat-stable resins are provided having good mechanical and electrical properties combined with chemical inertness at temperatures of 200.degree. to 300.degree. C, which resins comprise three-dimensional recurring units of the general formula: ##STR1## in which, in any particular recurring unit: A IS ZERO OR AN INTEGER FROM 1 TO 5; ##STR2## denotes a radical of the general formula ##STR3## p1 in which Y represents H, CH.sub.3 or Cl; G denotes a monovalent aromatic radical; and

REFERENCES:
patent: 3562223 (1971-02-01), Bargain et al.
patent: 3652511 (1972-03-01), Vincent et al.
patent: 3679639 (1972-07-01), Bargain et al.

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