Kinetically Enhanced Approach for Rapid and Tunable Self-Assembly of Rod-Coil Block Copolymers

被引：8
|
作者：
Ho, Chun-Chih [1 ,2 ]
Wu, Shang-Jung [1 ]
Lin, Shih-Hsiang [1 ]
Darling, Seth B. [2 ,3 ]
Su, Wei-Fang [1 ]
机构：
[1] Natl Taiwan Univ, Dept Mat Sci & Engn, Taipei 10617, Taiwan
[2] Argonne Natl Lab, Ctr Nanoscale Mat, Lemont, IL 60439 USA
[3] Univ Chicago, Inst Mol Engn, Chicago, IL 60637 USA
来源：
MACROMOLECULAR RAPID COMMUNICATIONS | 2015年 / 36卷 / 14期
关键词：
additives; block copolymers; kinetics; rod-coil; self-assembly; DIBLOCK COPOLYMER; ORDERED STRUCTURE; PHASE-BEHAVIOR; DIFFUSION; CRYSTALLIZATION; SOLUBILIZATION; HOMOPOLYMERS; SEPARATION; MIXTURES; BLENDS;
D O I：
10.1002/marc.201500161
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A facile approach is reported to process rod-coil block copolymers (BCPs) into highly ordered nanostructures in a rapid, low-energy process. By introducing a selective plasticizer into the rod-coil BCPs during annealing, both the annealing temperature and time to achieve thermodynamic equilibrium and highly ordered structures can be decreased. This process improvement is attributed to enhanced chain mobility, reduced rod-rod interaction, and decreased rod-coil interaction from the additive. The novel method is based on kinetically facilitating thermodynamic equilibrium. The process requires no modification of polymer structure, indicating that a wide variety of desired polymer functionalities can be designed into BCPs for specific applications.
引用
收藏
页码：1329 / 1335
页数：7
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