Fluorochemical-containing textile finishes that exhibit...

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 27/12 (2006.01) B32B 27/04 (2006.01) D01G 1/00 (2006.01)

Patent

CA 2512247

Wash-durable fluorochemical-containing textile and/or fiber treatments that simultaneously impart soil resistance (or soil-release) properties and moisture wicking characteristics to target fabric substrates are provided. Such treatments surprisingly impart these two simultaneous effects to target fabrics and/or fibers because fluorochemicals generally provide moisture repellency rather than moisture wicking capabilities. As prior soil release/moisture wicking treatments do not function properly, or, alternatively, compromise hand or other properties of certain target textiles after treatment application, a new, effective, soil release/moisture wicking formulation for such purposes was needed. The inventive treatment is extremely durable on such fabric substrates; after a substantial number of standard launderings and dryings, the treatment does not wear away in any appreciable amount and thus the substrate retains its soil release/moisture wicking properties. The method of adherence to the target yarn, fiber, and/or fabric may be performed any number of ways, most preferably through the utilization of a jet dyeing system or through a steam-transfer method. The particular methods of adherence, as well as the treated textile fabrics and individual fibers are also encompassed within this invention.

L'invention concerne des traitements de textile et/ou de fibres contenant un composé fluoré, qui résistent au lavage et confèrent simultanément des propriétés de résistance à la salissure (ou facilitant le lavage) et des caractéristiques de drainage de l'humidité à des substrats textiles voulus. Il est surprenant que ces traitements confèrent les deux effets simultanés à des tissus et/ou à des fibres voulus, car les composés fluorés confèrent généralement des propriétés hydrofuges plutôt que des caractéristiques de drainage de l'humidité. Les traitements actuels en matière de lavage/ drainage de l'humidité n'étant pas satisfaisants ou nuisant au toucher ou à d'autres propriétés de certains textiles après l'application du traitement, il s'agissait de trouver une nouvelle formulation efficace facilitant le lavage/ drainant l'humidité. Le traitement de l'invention est extrêmement durable sur des substrats textiles ; un nombre sensible de lavages et de séchages standard n'a pratiquement pas d'effet sur le traitement, ce qui permet au substrat de conserver ses propriétés facilitant le lavage/ de drainage de l'humidité. Le procédé de fixation du traitement au fil, à la fibre et/ou au tissu voulus peut être mis en oeuvre de multiples manières, idéalement au moyen d'un système de teinture par jet ou à l'aide d'un procédé de transfert de vapeur. L'invention concerne aussi des procédés particuliers de fixation ainsi que les textiles et les fibres individuelles traités.

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