7006-60-2Relevant articles and documents
Epoxy-layered silicate nanocomposites and their gas permeation properties
Osman, Maged A.,Mittal, Vikas,Morbidelli, Massimo,Suter, Ulrich W.
, p. 7250 - 7257 (2004)
The synthesis of epoxy-OM (organo-montmorillonite) nanocomposites was presented and their permeability to oxygen and water vapor was measured. The variation in the chemical structure of the organic monolayer ionically bonded to the montmorillonite surface was studied and its influence on the swelling, intercalation and exfoliation behavior of the OM was presented. The correlation of the gas permeation through the composites to the volume fraction of the impermeable inorganic part of OM was also described. It was shown that the transmission rate of water vapor through the composites was more influenced by the permeant-composite interactions and the hence the hydrophobicity of the monolayer cover the inclusions surface.
AMINATION OF CHLOROMETHYLATED POLYSTYRENE WITH AMINO ALCOHOLS.
Kawabe
, p. 2886 - 2892 (2007/10/02)
The amination of chloromethylated polystyrene (CMPS) and benzyl chloride (BC) with amino alcohols was investigated kinetically in dioxane, N,N-dimethylformamide (DMF), and dimethyl sulfoxide (DMSO). The amination rate was related mainly to the branching structure and partly to the pK of amino alcohols. The difference in the amination rate between CMPS and BC is discussed in terms of the activation parameters. The amination rate of the polymer partly containing quaternary ammonium groups (QCMPS) in DMSO was found to be greater than that of CMPS probably owing to the ion-dipole interaction.