Poly 2,2'-dichloro-4,4'-biphenylene pyromellitimide film

Details Poly 2,2'-dichloro-4,4'-biphenylene pyromellitimide film Poly 2,2'-dichloro-4,4'-biphenylene pyromellitimide film

1984-11-02

1985-07-23

Lee, Lester L.

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

Synthetic resins

From carboxylic acid or derivative thereof

528188, 528189, 528229, 528352, C08G 7310

Patent

active

045309930

ABSTRACT:
Disclosed is a polyimide film consisting essentially of 2,2'-dichloro-4,4'-biphenylene pyromellitimide units. This film has high tensile characteristics and excellent heat resistance.

REFERENCES:
patent: 3410826 (1968-11-01), Endrey
patent: 3619461 (1971-11-01), Gay
patent: 4269968 (1981-05-01), Duran et al.
patent: 4473523 (1984-09-01), Sasaki et al.

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