Fabrication of honeycomb-patterned porous films from PS-b-PNIPAM amphiphilic diblock copolymers synthesized via RITP

被引：15
|
作者：
Wang, Li-Ping [1 ]
Li, Yu-Chao [1 ]
Chen, Li-Feng [2 ]
Ban, Chao-Lei [1 ]
Li, Guang [1 ]
Ni, Jun-Jie [1 ]
机构：
[1] Liaocheng Univ, Coll Mat Sci & Engn, Liaocheng 252059, Peoples R China
[2] Liaocheng Univ Lib, Liaocheng 252059, Peoples R China
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2014年 / 420卷
关键词：
PS-b-PNIPAM; RITP; Porous films; AFM; Ag particles; IODINE TRANSFER POLYMERIZATION; N-BUTYL ACRYLATE; RADICAL POLYMERIZATION; BLOCK-COPOLYMERS; RAFT POLYMERIZATION; NANOPARTICLES; POLYSTYRENE; SURFACE; EMULSION; BRUSHES;
D O I：
10.1016/j.jcis.2014.01.004
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Poly(styrene)-b-poly(N-isopropylacrylamide) (PS-b-PNIPAM) amphiphilic diblock copolymers were synthesized via reverse iodine transfer polymerization (RITP) firstly. And then the honeycomb structured porous films were fabricated by drop the amphiphilic diblock copolymer solutions on glass substrates. The porous films were characterized using field emission scanning electron microscopy (FESEM) and atomic force microscopy (AFM), respectively. The results showed that the regular honeycomb patterned porous film was achieved successfully by employing the block copolymer with a significantly larger polystyrene block proportion into the solution and the pore diameter of the film decreases obviously with the polymer concentration increased. The effects of airflow speed and Ag particles on porous films are also discussed in this study. (C) 2014 Elsevier Inc. All rights reserved.
引用
收藏
页码：112 / 118
页数：7
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