Phenylethynyl terminated reactive oligomer

Details Phenylethynyl terminated reactive oligomer Phenylethynyl terminated reactive oligomer

1994-05-16

1995-06-20

Reamer, James H.

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

Organic compounds

Oxygen containing

568 33, 568639, C07C 4976

Patent

active

054262348

ABSTRACT:
A composition of matter having the general structure: ##STR1## (wherein X is F, Cl, or NO.sub.2, and Y is CO, SO.sub.2 or C(CF.sub.3).sub.2) is employed to terminate a nucleophilic reagent, resulting in the exclusive production of phenylethynyl terminated reactive oligomers which display unique thermal characteristics. A reactive diluent having the general structure: ##STR2## (wherein R is any aliphatic or aromatic moiety) is employed to decrease the melt viscosity of a phenylethynyl terminated reactive oligomer and to subsequently react therewith to provide a thermosetting material of enhanced density. These materials have features which make them attractive candidates for use as composite matrices and adhesives.

REFERENCES:
patent: 5138028 (1992-08-01), Paul et al.
patent: 5268444 (1993-12-01), Jensen et al.

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