Method of manufacturing thermoplastically processible aromatic p

Details Method of manufacturing thermoplastically processible aromatic p Method of manufacturing thermoplastically processible aromatic p

1986-12-30

1989-04-25

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

528171, 528173, 528176, 528185, 528337, 528352, 528362, C08G 6928

Patent

active

048249327

ABSTRACT:
The invention relates to aromatic polyamides and polyamidimides, and a method of manufacturing these by transamidation of aromatic biasmides of carboxylic acids, using aromatic di- and/or tricarboxylic acids or their anhydrides, in the melt, at temperatures between 220.degree. to 390.degree. C.

REFERENCES:
patent: 3503931 (1970-03-01), Radlmann et al.
patent: 3505288 (1970-04-01), Bodesheim et al.
patent: 3753948 (1973-08-01), Brode et al.
patent: 4003879 (1977-01-01), Lennox et al.
patent: 4018747 (1977-04-01), Malz et al.
patent: 4317902 (1982-03-01), Hinderer
patent: 4410684 (1983-10-01), Nelb et al.
patent: 4621134 (1986-11-01), Aritomi et al.
patent: 4727130 (1988-02-01), Bartmann
patent: 4749768 (1988-06-01), Finke et al.

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