Monomers of biscyclobutarenes bridged by at least one azo linkag

Details Monomers of biscyclobutarenes bridged by at least one azo linkag Monomers of biscyclobutarenes bridged by at least one azo linkag

1988-02-02

1992-09-08

Higel, Floyd D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

5262181, 526219, 5262191, 534659, 534805, 534806, 534809, 534821, 534829, 534832, 534833, 534840, 534849, 534850, 534573, 564328, C07C24508, C07C24510, C09B 2901

Patent

active

051459531

ABSTRACT:
A biscyclobutarene monomer is prepared having two cyclobutarene moieties bridged by a divalent radical having at least one azo linkage. The monomers can be polymerized to form polymers exhibiting outstanding thermooxidative stability at high temperatures for prolonged time periods.

REFERENCES:
patent: 4540763 (1985-09-01), Kirchhoff
patent: 4687823 (1987-08-01), Kirchhoff et al.
Brand et al, Chemical Abstracts, vol. 29, #2930.sup.9 to 2931.sup.5 (1935).

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