abstract |
A polyetherimide manufactured by reaction of an alkali metal salt of a dihydroxy aromatic compound of the formula n MO—Z—OMn n wherein M is an alkali metal salt and Z is an aromatic C 6-24 monocyclic or polycyclic moiety optionally substituted with 1 to 6 C 1-8 alkyl groups, 1 to 8 halogen atoms, or a combination thereof,n with a bis(halophthalimide) composition comprising, based on the weight of the bis(halophthalimide) composition,n from more than 45 to less than 75 weight percent of a 3,3′-bis(halophthalimide) of the formula n nn n n n n n n n n n n n less than 10 weight percent of a 3,4′-bis(halophthalimide) of the formula n n n n n n n n n n n n n n andn from more than 45 to less than 75 weight percent of a (4,4′-bis(halophthalimide) of the formula |