Fibers and filled molding compositions from copolyimides and pol

Details Fibers and filled molding compositions from copolyimides and pol Fibers and filled molding compositions from copolyimides and pol

1981-07-24

1983-05-17

Jacobs, Lewis T.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

523223, 524492, 524494, C08L 7908

Patent

active

043840710

ABSTRACT:
Novel glass and graphite filled copolyimides and polyimides useful as engineering plastics are prepared. Also fibers and oriented fibers from the copolyimides and polyimides derived from tetramethycyclobutane 1,2,3,4-tetracarboxylic dianhydride and diamines are disclosed.

REFERENCES:
patent: 4014832 (1977-03-01), Suzuki et al.
patent: 4183835 (1980-01-01), Yamaguchi et al.
Nakanishi et al.; Polymers, 14, 440 (1973).

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