High performance blends of aromatic polyimides with aromatic pol

Details High performance blends of aromatic polyimides with aromatic pol High performance blends of aromatic polyimides with aromatic pol

1991-09-12

1994-02-15

Carrillo, Ana L.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525420, C08L 7908

Patent

active

052868125

ABSTRACT:
Thermoplastic compositions of an aromatic polyimide and an aromatic polyethersulfone. The compositions have high upper critical use temperatures, high moduli, high tensile strengths, and high impact strengths. Some of the compositions are miscible blends, which additionally possess significant advantages due to their ease of processing. The miscible blends can be processed into amorphous single phase compositions or phase-separated compositions, depending on the processing conditions. Preferred compositions are blends of VICTREX polyethersulfone with either of the polyimides XU-218 or PI-2080.

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