abstract |
Disclosed are self-assembling block copolymers including diblock copolymers of the formula (I): n n n n n n n n n n wherein R 1 is —(CHR—CH 2 —O) p —R′, p=2-6, R is H or methyl, and R′ is H, a C 1 -C 6 alkyl or C 3 -C 11 cycloalkyl, R 2 is C 6 -C 20 aryl or heteroaryl, one of R 3 and R 4 is C 6 -C 14 aryl and the other is C 1 -C 22 alkoxy, and n and m are independently 2 to about 2000, which find use in preparing self-assembled structures and porous membranes. Embodiments of the self-assembled structures contain the block copolymer in a cylindrical morphology. Also disclosed is a method of preparing such copolymers. |