Pyrolzed amine cured polymer of dithioether-linked phthalonitril

Details Pyrolzed amine cured polymer of dithioether-linked phthalonitril Pyrolzed amine cured polymer of dithioether-linked phthalonitril

1990-10-19

1993-04-13

Anderson, Harold D.

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

Synthetic resins

Treating polymer containing material or treating a solid...

525418, 525535, 528360, 528362, 528388, C08G 7302, C08G 7500

Patent

active

052024148

ABSTRACT:
Dithioether-linked phthalonitrile monomer are prepared by a substitution reaction between 4-nitrophthalonitrile and a dimercaptan and are polymerized to a high-temperature, oxidation-resistant polymer by heating them at a temperature above their melting point. The rate of polymerization is increased by the addition of an amine. Electrical conductivity of the polymer can be increased to the conductor range by heating the polymer above about 400.degree. C.

REFERENCES:
patent: 4226801 (1980-10-01), Keller et al.
patent: 4259471 (1981-03-01), Keller et al.
patent: 4409382 (1983-10-01), Keller
patent: 4587325 (1986-05-01), Keller
Teddy M. Keller "Phthalonitrile-Based Conductive Polymer" J. Poly Sci.: P A: Polymer Chemistry, vol. 25, 2569-2576 (1987).
Keller et al. "High Temperature Intrinsically Conductive Polymer", Polymer Communications, vol. 28, Dec. 1987, pp. 334-336.

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