Correlation between Morphology and Mechanical Properties in Zn-Neutralized Sulfonated Polystyrene Ionomer/Poly(ethylene glycol) Blends: Contribution of EFTEM

被引：9
作者：
Dalmas, Florent [1 ]
Vonet, Jean-Francois [1 ]
Randriamahefa, Solo [1 ]
Gaillet, Christine [1 ]
机构：
[1] Univ Paris Est Creteil, Equipe Syst Polymeres Complexes, ICMPE, CNRS,UMR 7182, F-94320 Thiais, France
来源：
MACROMOLECULAR CHEMISTRY AND PHYSICS | 2010年 / 211卷 / 16期
关键词：
blends; EFTEM; ionomers; mechanical properties; morphology; TRANSMISSION ELECTRON-MICROSCOPY; X-RAY-SCATTERING; POLY(ALKYLENE OXIDE) SYSTEMS; ION DIPOLE INTERACTIONS; POLY(ETHYLENE OXIDE); IONOMER BLENDS; MISCIBILITY ENHANCEMENT; VISCOELASTIC PROPERTIES; MOLECULAR-WEIGHT; POLYMER BLENDS;
D O I：
10.1002/macp.201000111
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Relationships between microstructure and mechanical properties in SPS-Zn/PEG blends are investigated. Ion/dipole interactions induce the miscibility of both blend components for PEG content up to 10 wt-% as evidenced by DSC and TEM observations. Elemental mapping by EFTEM was used to investigate the ionic cluster microstructure and the phase structure in the blends. PEG chains do not hinder the formation of ionic multiplets but modify the microstructure of the clusters. Moreover, a PEG-rich layer is observed in the vicinity of the aggregates surface. As a consequence, no cluster glass transition is observed in DMA experiments for these blend systems and besides, the absence of ionic plateau is assigned to the decrease in the ionic clusters' stability.
引用
收藏
页码：1765 / 1774
页数：10
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