Low temperature process for bleaching textiles

Details Low temperature process for bleaching textiles Low temperature process for bleaching textiles

1994-11-04

1996-06-18

Kalafut, Stephen

Bleaching and dyeing; fluid treatment and chemical modification

Bleaching

Chemical

25218628, D06L 302

Patent

active

055273610

ABSTRACT:
A rapid, low temperature bleaching process for cellulosic materials such as cotton and cotton blends. The bleaching liquor includes a mixture of hydrogen peroxide, potassium hydroxide and a stabilizer combined with controlled time and temperature to produce a rapid bleach in between about 12 and 16 minutes. The resulting textile goods are soft, absorbent, mote-free with a Hunter Scale Whiteness Value of about 100 and less than about 0.75% extractable solids.

REFERENCES:
patent: 4337060 (1982-06-01), Dalmas
patent: 4363699 (1982-11-01), DeCeuster et al.
patent: 4496472 (1985-01-01), Schafer et al.
patent: 5333475 (1994-08-01), Edmundson et al.
patent: 5482516 (1996-01-01), Sheppard

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