Production of poly(p-phenylene) from 4,4'-dihalobiphenyl and lit

Details Production of poly(p-phenylene) from 4,4'-dihalobiphenyl and lit Production of poly(p-phenylene) from 4,4'-dihalobiphenyl and lit

1982-11-04

1986-03-18

Bleutge, John C.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

528397, 523300, 264 292, C08G 6110, C08F 256

Patent

active

045766886

ABSTRACT:
This invention provides a process for the production of poly(p-phenylene) which involves subjecting a liquid reaction medium containing 4,4'-dihalobiphenyl and alkali metal, e.g. lithium coupling reactants to activation with ultrasonic energy.

REFERENCES:
patent: 3320183 (1967-05-01), Brown
patent: 3340230 (1967-09-01), Hoyt
patent: 3876599 (1975-04-01), Attridge et al.
patent: 3926848 (1975-12-01), Wristers et al.
patent: 4034000 (1977-07-01), Schoenberg
patent: 4127730 (1978-11-01), Wulff et al.
patent: 4207405 (1980-06-01), Masler et al.
patent: 4302567 (1981-11-01), Bahadir et al.
Chemical Abstracts, vol. 96; 123373p (1982), Voronkov et al.
"Organic Sonochemistry-" Han et al., Tetrahedron Letters 22, pp. 2757-2758, 1981.

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