(139f) Solubilities of Blowing Agent Blends
AIChE Annual Meeting
2006
2006 Annual Meeting
Engineering Sciences and Fundamentals
Materials Synthesis and Processing with near and Supercritical Fluids III: Polymers
Monday, November 13, 2006 - 5:00pm to 5:21pm
The solubility of HFC 134a and HFC 152a in polystyrene melt was measured up to 800 psi at 150 oC and 190 oC. A magnetic suspension balance was used to experimentally measure the apparent solubility. The Simha-Somcynsky (SS) equation of state (EOS) was applied in the multi-components system to estimate the swollen volume. Consequently, the buoyancy compensation can be obtain to determine the solubility of the blowing agent blends in the polymer melt.
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