Tunable Morphologies From Bulk Self-Assemblies of Poly(acryloxypropyl triethoxysilane)-b-poly(styrene)-b-poly(acryloxypropyl triethoxysilane) Triblock Copolymers

被引：7
|
作者：
Gamys, Ce Guinto [1 ]
Beyou, Emmanuel [1 ]
Bourgeat-Lami, Elodie [2 ]
David, Laurent [1 ]
Alcouffe, Pierre [1 ]
机构：
[1] Univ Lyon 1, Ingenierie Mat Polymeres CNRS UMR5223, F-69622 Villeurbanne, France
[2] CNRS, UMR 5265, LCPP Grp, Lab Chim Catalyse Polymeres & Proc C2P2, F-69616 Villeurbanne, France
来源：
MACROMOLECULAR CHEMISTRY AND PHYSICS | 2012年 / 213卷 / 01期
关键词：
block copolymers; gelable triblock copolymers; self-assembly; small-angle X-ray scattering; transmission electron microscopy; GELABLE BLOCK-COPOLYMERS; MEDIATED RADICAL POLYMERIZATION; ORGANIC/INORGANIC HYBRID; JANUS MICELLES; THIN-FILMS; MICROPHASE SEPARATION; CONTROLLED SHAPES; NANOSTRUCTURES; POLYSTYRENE; SILICA;
D O I：
10.1002/macp.201100507
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Reactive poly(acryloxypropyl triethoxysilane)-b-poly(styrene)-b-poly(acryloxypropyl triethoxysilane) (PAPTES-b-PS-b-PAPTES) triblock copolymers are prepared through nitroxide-mediated polymerization (NMP). The bulk morphologies formed by this class of copolymers cast into films are examined by small-angle X-ray scattering (SAXS) and transmission electron microscopy (TEM). The films morphology can be tuned from spherical structures to lamellar structures by increasing the volume fraction of PS in the copolymer. Thermal annealing at temperatures above 100 degrees C provides sufficient PS mobility to improve ordering.
引用
收藏
页码：10 / 18
页数：9
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