| 摘要 |
Disclosed are self-assembling block copolymers including diblock copolymers of the formula (I):;;wherein R1 is —(CHR—CH2—O)p—R′, p=2-6, R is H or methyl, and R′ is H, a C1-C6 alkyl or C3-C11 cycloalkyl, R2 is C6-C20 aryl or heteroaryl, one of R3 and R4 is C6-C14 aryl and the other is C1-C22 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. |
| 主权项 |
1. A block copolymer of the formula (I) or (II):wherein:
R1 is a poly(alkyleneoxide) group of the formula, —(CHR—CH2—O)p—R′, wherein p=2-6, R is H or methyl, and R′ is H, a C1-C6 alkyl group, or a C3-C11 cycloalkyl group; R2 is a C6-C20 aryl group or a heteroaryl group, optionally substituted with a substituent selected from hydroxy, nitro, amino, halo, alkoxy, alkylcarbonyl, alkoxycarbonyl, amido, and nitro; one of R3 and R4 is a C6-C14 aryl group, optionally substituted with a substituent selected from hydroxy, halo, amino, and nitro, and the other of R3 and R4 is a C1-C22 alkoxy group, optionally substituted with a substituent selected from carboxy, amino, mercapto, alkynyl, alkenyl, halo, azido, and heterocyclyl; and n and m are independently 2 to about 2000; 0<x≦n and 0<y≦m. |
