Polyphenylene resins

Details Polyphenylene resins Polyphenylene resins

1972-01-05

1978-06-06

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526158, 526159, 526285, C08F 3800

Patent

active

040937909

ABSTRACT:
A high molecular weight polymer characterized by chains of benzene rings comprising alternatively di-substituted rings and tri-substituted rings, wherein the di-substituted rings comprise a major part of 1,3 (meta)- and a minor part of 1,4 (para)- di-substituted rings, and the tri-substituted rings are members of the group consisting of 1,3,5-, 1,2,4- and mixtures of 1,3,5- and 1,2,4- tri-substituted rings, these tri-substituted rings being substituted by 1 to 3 chains of benzene rings, each of the other substituents being a benzene ring which is unsubstituted or is substituted by a radical of the group consisting of alkyl, aryl and halogen radicals.

REFERENCES:
patent: 3066119 (1962-11-01), Meriwether
patent: 3313787 (1967-04-01), Valvassori
patent: 3316233 (1967-04-01), Feay
patent: 3578626 (1971-05-01), Kornicker
patent: 3705131 (1972-12-01), Korshak et al.
patent: 3756982 (1973-09-01), Korshak et al.
Billmeyer, Journal of Polymer Science, Part C, No. 8., pp. 161-177 (1965)
Chemical Abstracts, vol. 66, 1967, 18979y, Electrical Conductivity in Some Polyyne Polymers
Chemical Abstracts, vol. 70, 1969, 4875g, Semiconducting Organic Polymers.

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