Polymer of dithioether-linked phthalonitrile

Details Polymer of dithioether-linked phthalonitrile Polymer of dithioether-linked phthalonitrile

1988-11-21

1991-04-02

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

528176, 528180, 528183, 528362, 558388, C08G 8300

Patent

active

050048015

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
Keller et al., "High Temperature Intrinsically Conductive Polymer", Polymer ommunications, 1987, vol. 28, Dec., pp. 334-336.
Teddy M. Keller "Phthalonitrile-Based Conductive Polymer", J. Poly Sci: Part A: Polymer Chemistry, vol. 25, 2569-2576 (1987).

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