Method for treating carpets with polycarboxylate salts to...

Details Method for treating carpets with polycarboxylate salts to... Method for treating carpets with polycarboxylate salts to...

D - Textiles, Paper

06

M

D06M 15/263 (2006.01) D06M 13/236 (2006.01) D06M 15/233 (2006.01) D06M 15/277 (2006.01) D06M 15/347 (2006.01)

Patent

CA 2261122

A method for imparting soil resistance to unscoured carpets, and a carpet treated in accordance with the method, are provided. In accordance with the method, a substrate comprising unscoured carpet fibers is treated with the ammonium salt of a polycarboxylic acid, such as an ammonium salt of a hydrolyzed styrene/maleic anhydride copolymer. The treated substrate is found to have enhanced water and oil repellency in both heat cured and room temperature drying conditions.

Procédé permettant de conférer une résistance à la salissure aux tapis n'ayant pas subi de désensimage, et tapis traité selon ce procédé, qui consiste à traiter un substrat composé de fibres de tapis n'ayant pas subi de désensimage avec le sel d'ammonium d'un acide polycarboxylique, tel que le sel d'ammonium d'un copolymère styrène/anhydride malique hydrolysé. On a découvert que ce substrat traité présente des propriétés hydrofuges et oléofuges améliorées tant dans des conditions de séchage à température ambiante que par durcissement à chaud.

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