Polymer/Clay Nanocomposites Through Multiple Hydrogen-bonding Interactions

被引：27

作者：

Aydin, Muhammed ^{[1
]}

Uyar, Tamer ^{[2
]}

Tasdelen, Mehmet Atilla ^{[3
]}

Yagci, Yusuf ^{[1
,4
,5
]}

机构：

[1] Istanbul Tech Univ, Dept Chem, TR-34469 Istanbul, Turkey

[2] Bilkent Univ, UNAM Inst Mat Sci & Nanotechnol, TR-06800 Ankara, Turkey

[3] Yalova Univ, Dept Polymer Engn, Fac Engn, TR-77100 Yalova, Turkey

[4] King Abdulaziz Univ, CEAMR, Fac Sci, Jeddah 21589, Saudi Arabia

[5] King Abdulaziz Univ, Dept Chem, Fac Sci, Jeddah 21589, Saudi Arabia

来源：

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2015年 / 53卷 / 05期

关键词：

hydrogen bonding; nanocomposites; organoclay; ring-opening polymerization; self-assembly; IN-SITU SYNTHESIS; LAYERED SILICATE NANOCOMPOSITES; FREE-RADICAL POLYMERIZATION; POLYMER/MONTMORILLONITE NANOCOMPOSITES; INTERCALATED MONOMER; PART I; MONTMORILLONITE; STABILITY; CHEMISTRY; MECHANISM;

D O I：

10.1002/pola.27487

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

An 2-ureido-4[1H]pyrimidinone (UPy) motif with self-association capability (through quadruple hydrogen bonds) was successfully anchored onto montmorillonite clay layers. Polymer/clay nanocomposites were prepared by specific hydrogen bonding interactions between surface functionalized silica nanoclays and UPy-bonded supramolecular poly(ethylene glycol) or poly(-caprolactone). The mixed morphologies including intercalated layers with a non-uniform separation and exfoliated single layers isolated from any stack were determined by combined X-ray diffraction and transmission electron microscopic measurements. Thermal analyses showed that all nanocomposites had higher decomposition temperatures and thermal stabilities compared with neat polymer. The differential scanning calorimetric data implied that the crystallinity of polymers did not show essential changes upon introduction of organomodified UPy clays. (c) 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2015, 53, 650-658

引用

页码：650 / 658

页数：9

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