1,3-diethynyladamantane and methods of polymerization thereof

Details 1,3-diethynyladamantane and methods of polymerization thereof 1,3-diethynyladamantane and methods of polymerization thereof

1987-11-02

1989-07-18

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Compound or reaction product mixture

Alicyclic

585352, C07C 13615

Patent

active

048495654

ABSTRACT:
1,3-Diethynyladamantane and a method of forming same by brominating adamantane to yield 1,3-dibromoadamantane, subjecting vinyl bromide to Friedel-Crafts alkylation with the 1,3-bidromoadamantane to form 1,3-bis(2,2-dibromoethyl)adamantane and subjecting the 1,3-bis(2,2-dibromoethyl)adamantane to dehydrohalogenation to yield the 1,3-diethynyladamantane. 1,3-Diethynyladamantane can be polymerized to produce strong, thermally stable resins suitable for advanced aerospace structural applications, as matrices for carbon-carbon systems and as electrical insulators. It can also be co-polymerized with 1-ethynyladamantane to yield similarly useful resins.

REFERENCES:
patent: 3255268 (1966-07-01), Suld et al.
patent: 3437701 (1969-04-01), Capaldi
patent: 3655782 (1972-04-01), Moore

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