Polyimides containing fluorinated aromatic diamine units

Details Polyimides containing fluorinated aromatic diamine units Polyimides containing fluorinated aromatic diamine units

1993-10-14

1995-08-15

Foelak, Morton

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

Synthetic resins

From carboxylic acid or derivative thereof

528125, 528128, 528172, 528173, 528174, 528176, 528183, 528220, 528229, 528350, 526242, C08G 7310

Patent

active

054420300

ABSTRACT:
Polyimides are made from the novel diamines 1,2-bis(3-aminophenyl)perfluorocyclobutane, 1,2-bis(3- or 4-aminophenyl)perfluorocyclobutene, -cyclopentene and -cyclohexene, by reaction with aromatic carboxylic anhydrides. The polyimides are useful for coatings and films.

REFERENCES:
patent: 5037917 (1991-08-01), Babb et al.
patent: 5091500 (1992-02-01), Lysenko et al.
patent: 5159038 (1992-10-01), Babb et al.
patent: 5225515 (1993-07-01), Lysenko et al.

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