Polyimides containing meta-biphenylenedioxy moieties and article

Details Polyimides containing meta-biphenylenedioxy moieties and article Polyimides containing meta-biphenylenedioxy moieties and article

1993-12-16

1995-10-03

Hampton-Hightower, P.

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

Synthetic resins

From carboxylic acid or derivative thereof

528125, 528128, 528170, 528172, 528173, 528176, 528183, 528185, 528188, 528220, 528229, 528350, 524600, 524607, 4284111, 4284735, 10628732, C08G 6926, C08G 7310

Patent

active

054553270

ABSTRACT:
Two monomers containing meta-biphenylenedioxy moieties were prepared. One monomer, a diamine, is used to prepare polyimide, polyamide, and epoxy polymers. The other monomer, a dianhydride, was used to prepare polyimide polymers. These polymers are used to make films, coatings, and selective membranes.

REFERENCES:
patent: 4094862 (1978-06-01), Bell
patent: 4281100 (1981-07-01), Takekoshi
patent: 4293684 (1981-10-01), Takekoshi
patent: 4937317 (1990-06-01), Pratt et al.
patent: 5116939 (1992-05-01), Fletcher
patent: 5206340 (1993-04-01), Tsutsumi et al.
patent: 5278276 (1994-01-01), Ohta et al.

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