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

1986-07-21

1990-04-17

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

585 21, 585360, C08F 126

Patent

active

049181580

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-dibromoadamantane 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 copolymerized with 1-ethynyladamantane to yield similarly useful resins.

REFERENCES:
patent: 3342880 (1967-09-01), Reinhardt
patent: 3382288 (1968-05-01), Schneider
patent: 3518241 (1970-06-01), Dolling et al.
patent: 3533947 (1970-10-01), Dolling et al.
patent: 3639362 (1972-02-01), Dolling et al.
patent: 3655782 (1972-04-01), Moore

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