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Crystal structure of poly(ethylene‐oxide) supramolecular assemblies
Author(s) -
Damman Pascal,
Paternostre Laurent,
Moulin JeanFrançois,
Dosière Marcel
Publication year - 1999
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/masy.19991380107
Subject(s) - lamellar structure , ethylene oxide , supramolecular chemistry , intermolecular force , intercalation (chemistry) , hydrogen bond , dissolution , molecule , materials science , oxide , crystal (programming language) , crystal structure , supramolecular assembly , crystallography , poly ethylene , ethylene , polymer chemistry , chemistry , copolymer , polymer , organic chemistry , catalysis , computer science , programming language , composite material , metallurgy
The formation of poly(ethylene oxide) (PEO) supramolecular complexes is discussed in terms of intermolecular interactions and molecular packing. On the basis of the different known crystal structures, several mechanisms are proposed. First, the PEO complexes can be formed by an Intercalation or Inclusion process, guest molecules diffusing into the PEO unit cell. On the other hand, molecular complexes based on hydrogen bonding cannot be obtained by such a way, their formation requires the complete removal of the initial PEO structure either by melting or dissolution. Finally the relations between the crystal lamellar morphology, the host‐guest interactions and the PEO chain mobility are discussed.