Natural aqueous composition and machine for dry-cleaning...

D - Textiles – Paper – 06 – L

Patent

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Details

D06L 1/00 (2006.01) B08B 3/02 (2006.01) C11D 3/382 (2006.01) C11D 11/00 (2006.01) D06F 43/00 (2006.01) D06L 1/12 (2006.01)

Patent

CA 2524788

The invention relates to a natural, biodegradable aqueous composition for dry cleaning and/or removing grease from textiles and/or leathers. The inventive dry-cleaning composition comprises essential oils and surfactants, can be etherized and micronized and the ingredients thereof are exclusively of vegetal origin. The invention also relates to a method for dry-cleaning and/or removing grease from textiles and/or leathers, using said aqueous composition, comprising a series of successive phases in which the textiles and/or leathers are agitated in a tight area, characterized in that one of the phases consists in impregnating the textiels and/or leathers with a reduced amount of an aqueous composition by means of pneumatic atomization during a limited period of at least 50 ?m at a temperature of 35 - 45 ·C until a weight gain of 5 -70 %. The invention also relates to a machine for dry-cleaning and/or removing grease from textiles and/or leathers, wherein said method is performed.

La présente invention se rapporte à une composition aqueuse de nettoyage et/ou dégraissage à sec des textiles et/ou des peausseries, qui est naturelle et biodégradable. La composition de nettoyage à sec selon l'invention, comprenant notamment des huiles essentielles et des agents tensioactifs, est éthérisable et micronisable, et ses ingrédients sont exclusivement d'origine végétale. L'invention concerne également un procédé de nettoyage et/ou dégraissage à sec des textiles et/ou des peausseries mettant en oeuvre la composition aqueuse décrite, comprenant une succession de phases de brassage des textiles et/ou des peausseries dans une enceinte étanche, caractérisé en ce qu'une des phases consiste à effectuer une imprégnation des textiles et/ou des peausseries d'une quantité réduite d'une composition aqueuse, au moyen d'une atomisation pneumatique, pendant une durée limitée d'au plus 50 ~m, à une température de l'ordre de 35 à 45~C, jusqu'à une prise de poids de l'ordre de 5 à 70%. L'invention se rapporte également à une machine de nettoyage à sec et/ou dégraissage des textiles et/ou des peausseries mettant en oeuvr ledit procédé.

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