Diethynylated phenylbenzimidazole compounds

Details Diethynylated phenylbenzimidazole compounds Diethynylated phenylbenzimidazole compounds

1984-09-26

1985-08-27

Wong, Jr., Harry

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

526247, 526248, C07D23504, C08F 1418

Patent

active

045379742

ABSTRACT:
A diethynylated phenylbenzimidazole compound having the formula: ##STR1## where Y is phenyl, cyclohexyl, adamantyl or phenoxylatedphenyl of the formula C.sub.6 H.sub.5 (OC.sub.6 H.sub.4)n (n=1 to 3) and where R1, R2 and R3 are ethynyl, phenoxyethynyl, phenylethynyl, or hydrogen, and further wherein at least one of said R1, R2 or R3 is not hydrogen. The compounds can be cured to form thermoset polymers which are stable at temperatures above 300.degree. C.

REFERENCES:
patent: 4327209 (1982-04-01), Schreiber

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