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Host-guest interactions between a nonmicellized amphiphilic invertible polymer and insoluble cyclohexasilane in acetonitrile.

Langmuir : the ACS journal of surfaces and colloids (2011-07-30)
Ananiy Kohut, Olena Kudina, Xuliang Dai, Douglas L Schulz, Andriy Voronov
ABSTRACT

Host-guest interactions between cyclohexasilane (Si(6)H(12)) and amphiphilic invertible macromolecules based on PEG and sebacic acid in acetonitrile (neither a solvent for cyclohexasilane nor a support for the micellization of amphiphilic invertible macromolecules) have been investigated. Despite the extended conformation of the macromolecules and the absence of self-assembled polymeric domains, a macromolecular amphiphilicity itself contributes to localizing Si(6)H(12) by AIP and thus enables Lewis acid-base interactions between Si(6)H(12) and the AIP carbonyl groups. The obtained results demonstrate an interesting phenomenon in that insoluble Si(6)H(12) can be localized by AIP macromolecules in a medium that does not support the formation of polymeric domains.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Sebacic acid, 99%
Sigma-Aldrich
Sebacic acid, ≥95.0% (GC)