Method for treatment of wool

Details Method for treatment of wool Method for treatment of wool

1999-02-23

2000-08-08

Liott, Caroline D.

Bleaching and dyeing; fluid treatment and chemical modification

Chemical modification of textiles or fibers or products thereof

Proteinaceous fibers

8 9414, 81275, 812751, 435263, D06M 1138, D06M 1144, D06M 1600

Patent

active

060995882

ABSTRACT:
The present invention provides a method of treating wool, wool fibers or animal hair an alkali-containing alcohol solution, followed by a proteolytic enzyme in aqueous solution. The described method results in improved shrink-resistance, and may result in improvements in handle, appearance, wettability, reduction of felting tendency, increased whiteness, reduction of pilling, improved softness, improved tensile strength, and improved dyeing characteristics such as dye uptake and dye washfastness.

REFERENCES:
patent: 4726522 (1988-02-01), Maue
patent: 5525509 (1996-06-01), Christner et al.
patent: 5529928 (1996-06-01), Ciampi et al.
patent: 5980579 (1999-11-01), Yoon
CAPLUS Abstract of Nolte et al's, "Effects of proteolytic enzymes on untreated and shrink-resist-treated wool," J. text Inst., Part 1, 87(1), p. 212-226, 1996, No month available.
CAPLUS Abstract of Levene et al, "Applying proteases to confer improved shrink-resistance to wool," J. Soc. Dyers Color, 112(1), p. 6-10, 1996, No month available.

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