Method for making N,N'-methylene bismaleimides and products made

Details Method for making N,N'-methylene bismaleimides and products made Method for making N,N'-methylene bismaleimides and products made

1974-05-28

1976-01-20

Rush, Raymond V.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D20744

Patent

active

039338509

ABSTRACT:
A method is provided for making a variety of N,N'-methylene bismaleimides by introducing boron trifluoride into a maleimide mixture containing either paraformaldehyde or methanol maleimide. The N,N'-methylene bismaleimides made by the subject method can be symmetrical or unsymmetrical and are useful for making polyimides.

REFERENCES:
patent: 2971944 (1961-02-01), Chow et al.

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