End functionalized polysiloxane surfactants in carbon dioxide formulations

A method for dry-cleaning articles such as fabrics and clothing in carbon dioxide comprises contacting an article to be cleaned with a liquid dry cleaning composition for a time sufficient to clean the fabric. The liquid dry-cleaning composition comprises a mixture of carbon dioxide, water, and an e...

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Bibliographische Detailangaben
Hauptverfasser: DEYOUNG JAMES P, STEWART GINA M, STOREY-LAUBACH BERNADETTE
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method for dry-cleaning articles such as fabrics and clothing in carbon dioxide comprises contacting an article to be cleaned with a liquid dry cleaning composition for a time sufficient to clean the fabric. The liquid dry-cleaning composition comprises a mixture of carbon dioxide, water, and an end-functional polysiloxane surfactant. After the contacting step, the article is separated from the liquid dry cleaning composition. The method is preferably carried out at ambient temperature.