Methods of bleaching jeans

Details Methods of bleaching jeans Methods of bleaching jeans

1988-02-04

1994-03-29

Willis, Jr., Prince

Bleaching and dyeing; fluid treatment and chemical modification

Bleaching

Chemical

8102, 8111, D06L 306, D06L 308

Patent

active

052980278

ABSTRACT:
Jeans are bleached by rotating glass-expandable ceramics having a bulk specific gravity of 0.7 to 1.2, a 24 hour water absorption of not greater than 5% and the maximum diameter of not greater than 150 mm, water and jeans in a rotary tank. Further jeans are bleached by rotating an air-permeable ceramic porous material having a bulk specific gravity of 0.7 to 1.9, a 24 hour water absorption of 10 to 40% and the maximum diameter of not greater than 150 mm, water and jeans in a rotary tank. In this case, the air-permeable ceramic porous material may also be immersed in a bleaching agent solution.

REFERENCES:
patent: 4601845 (1986-07-01), Namnath
patent: 4740213 (1988-04-01), Ricci

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