Process for chemically sculpturing wool pile fabrics

Details Process for chemically sculpturing wool pile fabrics Process for chemically sculpturing wool pile fabrics

1982-03-11

1983-11-15

Massie, Jerome W.

Bleaching and dyeing; fluid treatment and chemical modification

Ornamental effects

With fiber destruction or removal

8128R, D06Q 102

Patent

active

044153317

ABSTRACT:
A process for sculpturing a pile fabric having pile fibers made from wool, or wool-nylon blends, which comprises: treating said wool by oxidizing its sulfide bonds accompanied by acid hydrolysis; contacting the pile surface of said fabric with 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 in the selected areas so that said pile fibers may be removed by mechanical action; said fiber degrading agent being an aromatic sulfonic acid having a pK.sub.a value of less than about 2; said fiber degrading composition further containing a diluent for said fiber degrading agent, heating said pile fabric to a temperature sufficient to cause the tensile strength of said fibers of said pile in the selected areas to be reduced sufficiently so that said fibers may be removed by mechanical means, but said temperature being low enough so as not to result in complete destruction of the fiber integrity prior to removal by mechanical means; and removing said degraded portion of said pile fibers by mechanical means to provide a sculptured pile fabric.

REFERENCES:
patent: 2499987 (1950-03-01), Clapham et al.
patent: 2701178 (1955-02-01), Fell
patent: 3236585 (1966-02-01), Chesner et al.
patent: 3994681 (1976-11-01), Hanekom et al.
patent: 4255231 (1981-03-01), Boba et al.
patent: 4353706 (1982-10-01), Burns et al.

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