Films or sheets of blends of amorpous poly(aryl ether ketones) w

Details Films or sheets of blends of amorpous poly(aryl ether ketones) w Films or sheets of blends of amorpous poly(aryl ether ketones) w

1990-09-13

1992-06-23

Short, Patricia

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

Synthetic resins

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

525419, 525437, C08L 6703, C08L 6500

Patent

active

051244136

ABSTRACT:
A melt-processable, miscible or partially miscible blend of an amorphous, isotropic polyarylate with a poly(ether ketone ketone) that does not possess a sharp or well defined melting endotherm by differential scanning calorimetry when observed on second heating under defined conditions can be extruded into sheets useful in aircraft panels and in other applications that require high burn resistance and good melt processability.

REFERENCES:
patent: 4438236 (1984-03-01), Cogswell et al.
patent: 4704448 (1987-11-01), Brugel
patent: 4816556 (1989-03-01), Gay et al.
patent: 5011894 (1991-04-01), Robeson

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