Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
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
Blance R. Bruce
Cannon James C.
Farrington William J.
Kelley Thomas E.
Monsanto Company
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