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Aromatic ether and alkynyl containing phthalonitriles

Patent image
NRL

Compounds having the formulas below. R is an aromatic-containing group. Each M is an alkali metal. Each m is a positive integer. The value of n is a positive integer. The value p is 0 or 1. If p is 0 then n is 1. A thermoset made by curing a composition containing the below phthalonitrile monomers. A method of reacting a diphenyl acetylene compound with an excess of an aromatic diol in the presence of an alkali metal carbonate to form the above oligomer. A method of reacting a phenoxyphthalonitrile with an acetylene compound to form the phthalonitrile monomer below.

Inventors: 
Laskowski, Matthew; Keller, Teddy M.
Patent Number: 
Technical domain: 
Materials and Coatings
FIle Date: 
2011-07-05
Grant Date: 
2013-09-10
Grant time: 
798 days
Grant time percentile rank: 
14
Claim count percentile rank: 
3
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
US NAVY