Polyimide laminates

Details Polyimide laminates Polyimide laminates

1988-12-14

1989-08-29

Cannon, James C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

1563074, 1563075, 1563077, 428252, 428272, 428273, 428285, 428287, 428288, 428290, 428408, 428435, 428458, 4284735, 4285428, 428901, B32B 2712, B32B 2718, B32B 2728

Patent

active

048616508

ABSTRACT:
Polyimide laminates are prepared from solutions of maleimide resins comprising a mixture of maleimides and maleamic acids, e.g., greater than about 45% bismaleimide and up to about 40% bis-maleamic acid and a stabilizing amount of polyamine. The bismaleimide is preferably derived from 2,2-bis[4-(4-aminophenoxy)phenyl] propane.

REFERENCES:
patent: 4816512 (1989-03-01), Dahms

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