Production of a thermoplastically processable, aromatic polyamid

Details Production of a thermoplastically processable, aromatic polyamid Production of a thermoplastically processable, aromatic polyamid

1990-01-31

1991-05-14

Morgan, Kriellion

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524153, 524414, 524710, 524718, 528336, 528337, 528341, 528348, C08K 5343.2, C08K 551, C08K 552, C08G 6928

Patent

active

050156802

ABSTRACT:
An aromatic polyamide, e.g., from isophthalic acid and 4,4'-bis(4-aminophenoxy)diphenylsulfone, is produced with a sufficient amount, e.g., 0.05-4 mol%, of 4-phenoxypyridine to improve resistance to thermal oxidation.

REFERENCES:
patent: 3531423 (1970-09-01), Stokes et al.
patent: 3703493 (1972-11-01), Holub
patent: 4720538 (1988-01-01), Bartmann
patent: 4749768 (1988-06-01), Finke et al.

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