Dry cleaning methods and compositions

Details Dry cleaning methods and compositions Dry cleaning methods and compositions

D - Textiles, Paper

06

L

D06L 1/04 (2006.01)

Patent

CA 2359837

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, a surfactant, and an organic co-solvent. After the contacting step, the article is separated from the liquid dry cleaning composition. The method is preferably carried out at ambient temperature. The surfactant is preferably one that does not contain a CO2-philic group. The organic co-solvent is preferably an alkane and has a flash point above 140 ~F.

L'invention se rapporte à un procédé de nettoyage à sec d'articles, de type tissus et vêtements, dans du dioxyde de carbone. Ledit procédé consiste à mettre en contact un article avec une composition liquide de nettoyage à sec pendant un laps de temps suffisant pour permettre le nettoyage du tissu. Ladite composition liquide de nettoyage à sec contient un mélange de dioxyde de carbone, d'un tensioactif et d'un co-solvant organique. Après la mise en contact, on retire l'article de la composition liquide de nettoyage à sec. Le procédé est de préférence mis en oeuvre à température ambiante. Le tensioactif utilisé est de préférence un tensioactif contenant un groupe ayant une affinité pour le groupement CO¿2?. Le co-solvant organique est de préférence un alcane et il possède un point d'éclair supérieure à 140 ·F.

Affiliated with

Also associated with

Rating

Dry cleaning methods and compositions does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Dry cleaning methods and compositions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dry cleaning methods and compositions will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1458993