DRY CLEANING SYSTEM USING DENSIFIED CARBON DIOXIDE AND A SURFACTANT ADJUNCT

摘要

A system for dry cleaning soils from fabrics is described which contains densified carbon dioxide combined with a selected surfactant. The densified carbon dioxide is used in a temperature range of about -78.5 DEG C to about 100 DEG C and a pressure range of about 14.7 psi to about 10,000 psi. The surfactant is selected from one of two groups of compounds having formula (I) as described in the text or a second group of siloxane compounds having a formula [AB]y as described. A process for using the dry cleaning system is also described.