D - Textiles – Paper – 06 – Q
Patent
D - Textiles, Paper
06
Q
8/91
D06Q 1/06 (2006.01)
Patent
CA 1310798
ABSTRACT This invention provides a process for sculpturing pile fabrics which comprises: (a) selectively contacting the surface of a pile fabric corresponding to a pattern a fiber degrading composition, said composition comprising a fiber degrading agent in a concentration sufficient to reduce the tensile strength of the fibers of the pile, said fiber degrading agent being selected from a compound of the formula: Image wherein R and R' are each independently selected from a lower alkyl group having from one to about five carbon atoms, dyes are optionally selectively applied in pattern form and in register with the fiber degrading composition; (b) heating the pile fabric to temperatures above 180°F but below 250°F, more specifically, heating with atmospheric steam to degradethe selected fibers of the pile and to provide fixation of the dyes; (c) the fiber degrading agent neutralizing with a solution of a base selected as a hydroxide, carbonate, or phosphate of group I and II metals; (d) washing the pile fabric with water, to remove any residual components of the fiber degrading composition from the pile fabric; (e) conventionally drying the pile fabric; and (f) removing said selected and degraded portion of the fibers of the pile by mechanical means to provide a sculptured pile fabric.
603252
Gregory Richard Victor
Mcbride Daniel Taylor
Morris Michael David
Gowling Lafleur Henderson Llp
Milliken & Company
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