Copolymers of ethynyl terminated polyimides and diethynylbenzen

Details Copolymers of ethynyl terminated polyimides and diethynylbenzen Copolymers of ethynyl terminated polyimides and diethynylbenzen

1974-11-25

1978-07-04

Lee, Lester L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

260 336UA, 260 336R, 260 37N, 528178, 528221, 528333, 526285, 428435, 428474, C08G 7312

Patent

active

040987671

ABSTRACT:
A new class of copolymers obtained via copolymerizing diethynylbenzene with an ethynyl substituted polyimide oligomer has been developed. The copolymers are thermosetting in character and are particularly useful for the fabrication of composite structures such as glass fiber reinforced laminates and molding compounds and graphite fiber reinforced laminates and molding compounds having zero void content.

REFERENCES:
patent: 3845018 (1974-10-01), Bilow et al.
patent: 3864309 (1975-02-01), Bilow et al.

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