Formaldehyde-untreated cellulose fiber articles and process for

Details Formaldehyde-untreated cellulose fiber articles and process for Formaldehyde-untreated cellulose fiber articles and process for

1995-06-01

1996-07-16

Willis, Jr., Prince

Bleaching and dyeing; fluid treatment and chemical modification

Chemical modification of textiles or fibers or products thereof

Cellulose fibers

81161, D06M 13192

Patent

active

055362761

ABSTRACT:
In treating a cellulose fiber article with 1,2,3,4-butanetetracarboxylic acid to improve properties, 1,2,3,4-butanetetracarboxylic acid containing up to 200 ppm of nitro radical is used, whereby the cellulose fiber article can be prevented from coloring to the utmost extent. The intended results of the invention can be achieved to a remarkable extent when using 1,2,3,4-butanetetracarboxylic acid containing up to 200 ppm of nitro radical and prepared by oxidizing tetrahydrophthalc acid and/or tetrahydrophthalic anhydride with hydrogen peroxide.

REFERENCES:
patent: 3526048 (1967-06-01), Rowland et al.
patent: 4820307 (1989-04-01), Welch et al.
patent: 4833272 (1989-05-01), Nakazawa et al.

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