Nonaromatic dianhydride and polyimides from tricyclo[4.2.1.0.sup

Details Nonaromatic dianhydride and polyimides from tricyclo[4.2.1.0.sup Nonaromatic dianhydride and polyimides from tricyclo[4.2.1.0.sup

1982-06-10

1985-04-02

Lee, Lester L.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

549234, C07D30777

Patent

active

045086052

ABSTRACT:
Novel polyimides and molding compositions are prepared from novel tricyclo[4.2.1.0.sup.2,5 ] nonane-3,4-dimethyl-3,4,7,8-tetracarboxylic acid dianhydride. The dianhydride is useful for the manufacture of polyimides which are useful as engineering plastics.

REFERENCES:
patent: 3413316 (1968-11-01), Bradshaw
patent: 3423431 (1969-01-01), Starr et al.
patent: 3472749 (1969-10-01), Bradshaw
patent: 3929711 (1975-12-01), Cerefice et al.

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