Process for preparing a polyphenylene polymer

Details Process for preparing a polyphenylene polymer Process for preparing a polyphenylene polymer

1992-06-16

1993-09-28

Kight, III, John

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253261, 5253321, 526308, 528481, 528503, C08F 800, C08F 1602, C08F 3206, C08L 4500

Patent

active

052487342

ABSTRACT:
Polyphenylene is prepared by exposing a poly(1,2-disubstituted-cyclohexa-3,5-diene) precursor to ultraviolet light in the presence of an acid catalyst. The acid catalyst is activated by the ultraviolet radiation and forms polyphenylene by aromatizing the cyclohexene rings of the poly(1,2-disubstituted-cyclohexa-3,5-diene).

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patent: 4524198 (1985-06-01), Ballard et al.
patent: 4536555 (1985-08-01), Ballard et al.
patent: 4661429 (1987-04-01), Molaire et al.
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patent: 4849504 (1989-07-01), Ballard et al.
CA 116 (22): 215072z "Acid-Catalyzed Photoaromatization of Poly(cyclohexadiene-1,2-diol) Derivatives into Poly(phenylene)", Kim et al.
D. G. H. Ballard, A. Courtis, I. M. Shirley, and S. C. Taylor, "Synthesis of Polyphenylene from a cis-Dihydrocatechol, a Biologically Produced Monomer", Macromolecules 21, 294-304 (1988).

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