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Correlation between Morphology and Mechanical Properties in Zn‐Neutralized Sulfonated Polystyrene Ionomer/Poly(ethylene glycol) Blends: Contribution of EFTEM
Author(s) -
Dalmas Florent,
Vonet JeanFrançois,
Randriamahefa Solo,
Gaillet Christine
Publication year - 2010
Publication title -
macromolecular chemistry and physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.57
H-Index - 112
eISSN - 1521-3935
pISSN - 1022-1352
DOI - 10.1002/macp.201000111
Subject(s) - microstructure , miscibility , ionomer , ionic bonding , peg ratio , ethylene glycol , polystyrene , chemical engineering , materials science , morphology (biology) , polymer chemistry , chemistry , ion , copolymer , composite material , polymer , organic chemistry , finance , biology , economics , engineering , genetics
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.