Processes for spray dyeing fabrics

D - Textiles – Paper – 06 – P

Patent

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D06P 5/02 (2006.01)

Patent

CA 2603011

Processes for dyeing fabric are provided. The process can include continuously moving the fabric in a machine direction; removing folds or creases from the fabric; spraying a first surface of the fabric with a dye; and exposing the fabric to atmospheric steam after spraying the dye on the first surface but prior to the dye drying on the first surface so that the dye migrates from the first surface to a second surface of the fabric and reacts with and affixes to a component of the fabric.

L'invention concerne des procédés de teinture par pulvérisation de tissus. Le procédé peut consister à déplacer en continu le tissu dans le sens d'une machine; à éliminer des plis ou des froissements du tissu; à pulvériser une première surface du tissu au moyen d'un colorant; et à exposer le tissu à une vapeur atmosphérique après la pulvérisation du colorant mais avant le séchage de celui-ci sur la première surface, de manière que le colorant migre de la première surface vers une seconde surface du tissu et réagisse avec un composant du tissu et se fixe sur celui-ci.

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