Issue 10, 2003

Liquid–liquid phase behavior of toluene/polyethylene oxide/poly(ethylene oxide-b-dimethylsiloxane) polymer-containing ternary mixtures

Abstract

The experimental data of phase diagrams for both polyethylene oxide/poly(ethylene oxide-b-dimethylsiloxane) binary and toluene/polyethylene oxide/poly(ethylene oxide-b-dimethylsiloxane) ternary polymer-containing systems was obtained at atmosphere pressure by light scattering method. The critical points for some pre-selected compositions and the pressure effect on the phase transition behavior of ternary system were investigated by turbidity measurements. The chosen system is a mixture of ternary which is one of the very few abnormal polymer-containing systems exhibiting pressure-induced both miscibility and immiscibility. This unusual behavior is related to the toluene concentration in the mixtures. The effect of toluene on the phase transition behavior of the ternary polymer-containing mixture was traced. Such behavior can make it possible to process composite materials from incompatible polymers.

Article information

Article type
Paper
Submitted
22 Nov 2002
Accepted
25 Mar 2003
First published
07 Apr 2003

Phys. Chem. Chem. Phys., 2003,5, 2066-2071

Liquid–liquid phase behavior of toluene/polyethylene oxide/poly(ethylene oxide-b-dimethylsiloxane) polymer-containing ternary mixtures

S. Jiang, L. An, B. Jiang and B. A. Wolf, Phys. Chem. Chem. Phys., 2003, 5, 2066 DOI: 10.1039/B211559J

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