Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1986-01-16
1987-05-19
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
544353, C08F 2606
Patent
active
046670025
ABSTRACT:
Phenylquinoxaline monomers containing sterically hindered ethynyl groups are provided. These monomers can be crosslinked to provide thermoset resins of the general formula ##STR1## wherein Pq is a phenylquinoxaline linking unit. Ar is an aromatic ether or thioether, and n has a value between 2 and 3.
REFERENCES:
patent: 3852244 (1974-12-01), Heath
patent: 3966729 (1976-06-01), Kovar et al.
patent: 4147868 (1979-04-01), Arnold et al.
patent: 4375536 (1983-03-01), Hergenrother
Arnold Fred E.
Reinhardt Bruce A.
Unroe Marilyn R.
Bricker Charles E.
Michl Paul R.
Singer Donald J.
The United States of America as represented by the Secretary of
Walker Alex H.
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