Modified regenerated cellulose fiber and fiber product thereof

Details Modified regenerated cellulose fiber and fiber product thereof Modified regenerated cellulose fiber and fiber product thereof

2006-07-11

2006-07-11

Einsmann, Margaret (Department: 1751)

Bleaching and dyeing; fluid treatment and chemical modification

Dye or potential dye composition, additive, treatment,...

Azo, acridone, or quinone dye

C008S543000, C008S538000, C008S478000, C008S481000, C008S921000

Reexamination Certificate

active

07074245

ABSTRACT:
A modified regenerated cellulose fiber which enables dyeing in different colors by combining the modified regenerated cellulose fiber and other fibers by means of mixed spinning or union knitting/weaving.The modified regenerated cellulose fiber can be obtained by adding 0.5–3.0% by weight of a grounder of naphthol dye to the regenerated cellulose fiber in a matrix of the regenerated cellulose fiber, the grounder being selected from the group having a medium to high level of affinity to the regenerated cellulose fiber. A variety of dyed fiber products can be obtained by treating yarn or knitted/woven fabric made of the above modified regenerated cellulose fiber with a developer of naphthol dye.

REFERENCES:
patent: 2102789 (1937-12-01), Dreyfus et al.
patent: 3325470 (1967-06-01), Ribka
patent: 3802835 (1974-04-01), Prieto
patent: 785752 (1935-08-01), None
patent: 489727 (1938-08-01), None
patent: 489858 (1938-08-01), None
patent: 879071 (1961-10-01), None

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