Bis-m-benzotrifluoride compounds

Details Bis-m-benzotrifluoride compounds Bis-m-benzotrifluoride compounds

1990-10-09

1996-03-12

Hightower, P. Hampton

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

Synthetic resins

From carboxylic acid or derivative thereof

528125, 528128, 528170, 528171, 528172, 528173, 528174, 528176, 528183, 528185, 528188, 528220, 528229, 528350, G08G 7310, G08G 6926

Patent

active

054986915

ABSTRACT:
Disclosed are bis-meta-benzotrifluoride compounds having the general formula ##STR1## where each A is independently selected from the group consisting of NO.sub.2, NH.sub.2, and NH.sub.3.sup.+ Z.sup.-, Z.sup.- is an anion and B is selected from the group consisting of O, CO, S, SO, and SO.sub.2. The diamine compounds are useful as monomers in making polyimides, polyamide-imides, and polyamides.

REFERENCES:
patent: 4876329 (1989-10-01), Chiang et al.
patent: 4912197 (1990-03-01), Hayes
patent: 4990670 (1991-02-01), Stults et al.
patent: 4996278 (1991-02-01), Lee
patent: 4997908 (1991-03-01), Lee
patent: 5003086 (1991-03-01), Stults et al.
patent: 5021540 (1991-06-01), Leone-Bay et al.

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