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In-situ preparation of poly(2-ethyl-2-oxazoline)/clay nanocomposites via living cationic ring-opening polymerization

被引：31
|
作者：
Ozkose, Umut Ugur [1 ,2 ]
Altinkok, Cagatay [3 ]
Yilmaz, Ozgur [2 ]
Alpturk, Onur [1 ]
Tasdelen, Mehmet Atilla [3 ]
机构：
[1] Istanbul Tech Univ, Fac Sci & Letters, Dept Chem, TR-34469 Istanbul, Turkey
[2] TUBITAK, Mat Inst, Marmara Res Ctr, TR-41470 Gebze, Kocaeli, Turkey
[3] Yalova Univ, Dept Polymer Engn, Fac Engn, TR-77100 Yalova, Turkey
来源：
EUROPEAN POLYMER JOURNAL | 2017年 / 88卷
关键词：
Cationic ring-opening polymerization; Living polymerization; Nanocomposites; Organoclay; Polyoxazolines; POLYMER/LAYERED SILICATE NANOCOMPOSITES; POLYMER/CLAY NANOCOMPOSITES; INTERCALATIVE POLYMERIZATION; POLY(2-OXAZOLINE)S; SURFACE; MONTMORILLONITE; STYRENE; 2-ETHYL-2-OXAZOLINE; 2-OXAZOLINES; COPOLYMERS;
D O I：
10.1016/j.eurpolymj.2016.07.004
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The present study reports for the first time the preparation of poly(2-ethyl-2-oxazoline)/clay nanocomposites. The tosyl-functionalized montmorillonite clay is utilized as initiator for the living cationic ring-opening polymerization of 2-ethyl-2-oxazoline, which triggers the delamination of silicate layers in the polymer matrix and leading to nanocomposite formation. The living nature of the polymerization has been confirmed by kinetic studies. The morphology and thermal properties of nanocomposite have been evaluated using X-ray diffraction, transmission electron microscopy, differential scanning calorimeter and thermogravimetric analysis. All nanocomposite samples have a mixed exfoliated/ intercalated silicate layers and an improved thermal stability compared to pure poly(2-ethyl-2-oxazoline). (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：586 / 593
页数：8
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