Polyimides from diaminobenzotrifluorides

Details Polyimides from diaminobenzotrifluorides Polyimides from diaminobenzotrifluorides

1990-09-18

1991-06-04

Foelak, Morton

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

525436, 528353, C08G 6300

Patent

active

050215400

ABSTRACT:
Polyimides are made by imidization of the product of reaction of dianhydrides with diaminobenzotrifluoride and bis(trifluoromethyl) oxydianilines. In preferred embodiments the polyimides are end capped with monoanhydride or monoamine residues.

REFERENCES:
patent: 4690999 (1987-09-01), Numata et al.
patent: 4876329 (1989-10-01), Chiang et al.
patent: 4973661 (1990-11-01), Lee et al.

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