Polymerization of acetylene

Details Polymerization of acetylene Polymerization of acetylene

1978-11-03

1980-10-14

Wong, Jr., Harry

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 326R, 260 332R, 260 336UA, 525 1, 526170, 526285, C08F 476, C08F 3802, C08K 501, C08K 515

Patent

active

042280605

ABSTRACT:
A process is described for producing partially crystalline polyacetylene in the cis or trans configurations utilizing.mu.-(.eta..sup.1 :.eta..sup.5 -cyclopentadienyl)-tris(.eta.-cyclopentadienyl)dititanium(Ti-Ti) catalyst. The resulting polyacetylene when "doped" with halogen additives is useful as an electrical conductor or semiconductor. Also described are polyacetylene "gels," consisting essentially of a solid polyacetylene and gel-forming liquid therefor, also containing up to about 10 percent by weight of catalyst, per weight of acetylene, which is used for production of the polyacetylene. The gels are stable to phase separation at room temperature in a closed system, and are useful in preparing randomly and partially chain-aligned polyacetylene films and articles.

REFERENCES:
patent: 2922803 (1960-01-01), Kaufman
patent: 3046288 (1962-07-01), Sloan et al.
patent: 3051693 (1962-08-01), Leto
patent: 3119799 (1964-01-01), Natta et al.
patent: 3271378 (1966-09-01), Daniels
patent: 3505369 (1970-04-01), Deffner

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