Fluorinated carbon polymer composites

Details Fluorinated carbon polymer composites Fluorinated carbon polymer composites

1994-11-30

1996-09-17

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524600, 524606, 523307, 252502, 428244, C08J 518

Patent

active

055568998

ABSTRACT:
Disclosed is a process of effecting a change in the dielectric constant and coefficient of thermal expansion of a polyimide material, by forming a composite based on a dispersion of 2-60 wt. % of fluorinated particulate carbon material and a polyimide or polyimide precursor, and heating the dispersion to about 400.degree. C. at 65.degree.-200.degree. C./second.

REFERENCES:
patent: 4107125 (1978-08-01), Lovejoy
patent: 4612361 (1986-09-01), Peters
patent: 4861855 (1989-08-01), Bockrath et al.

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