Polybenzazole polymer containing perfluorocyclobutane rings

Details Polybenzazole polymer containing perfluorocyclobutane rings Polybenzazole polymer containing perfluorocyclobutane rings

1990-09-21

1992-02-25

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528125, 528128, 528171, 528172, 528185, 528186, 528226, 528229, 528337, 528342, C08G 7306

Patent

active

050915002

ABSTRACT:
Polybenzazole polymers contain perfluorocyclobutane rings to provide a flexible moiety which is stable at high temperatures.

REFERENCES:
patent: 4064109 (1977-12-01), Evers
patent: 4115367 (1978-12-01), Evers
patent: 4147858 (1979-04-01), Evers
patent: 4533692 (1985-08-01), Wolfe
patent: 4533693 (1985-08-01), Wolfe
patent: 4533724 (1985-08-01), Wolfe
patent: 4703103 (1987-10-01), Wolfe
patent: 4772678 (1988-09-01), Sybert
patent: 4845183 (1989-07-01), Mueller
11 Ency. Poly. Sci. & Eng. Polybenzothiazoles and Polybenzoxazoles, 601 (J. Wiley & Sons 1988).

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