Bleaching and dyeing; fluid treatment and chemical modification – Chemical modification of textiles or fibers or products thereof – Cellulose fibers
Patent
1990-10-17
1993-03-02
Willis, Jr., Prince
Bleaching and dyeing; fluid treatment and chemical modification
Chemical modification of textiles or fibers or products thereof
Cellulose fibers
81161, 8129, 811562, 1621576, D21H 1120, D06M 1300
Patent
active
051905639
ABSTRACT:
Disclosed is a process for making individualized, crosslinked fibers which includes the steps of providing cellulosic fibers, contacting the fibers with a solution containing a C.sub.2 -C.sub.9 polycarboxylic acid crosslinking agent, mechanically separating the fibers into substantially individual form, drying the fibers and reacting the crosslinking agent with the individualized fibers to form intrafiber crosslink bonds. Preferably, the crosslinking agent is citric acid, and preferably, between about 0.5 mole % and about 10.0 mole % of the crosslinking agent reacts to form the intrafiber crosslink bonds. The individualized, crosslinked fibers are useful in a variety of absorbent structure applications.
REFERENCES:
patent: 2759924 (1956-08-01), Touey
patent: 2971815 (1961-02-01), Bullock et al.
patent: 3294779 (1966-12-01), Bullock et al.
patent: 3472839 (1969-10-01), Tesoro
patent: 3526048 (1970-09-01), Rowland et al.
patent: 3776692 (1973-12-01), Franklin et al.
patent: 3854866 (1974-12-01), Franklin et al.
patent: 3971379 (1976-07-01), Chatterjee
patent: 4820307 (1989-04-01), Welch et al.
patent: 4822453 (1989-04-01), Dean et al.
patent: 4853086 (1989-08-01), Graef
patent: 4888093 (1989-12-01), Dean et al.
patent: 4889595 (1989-12-01), Herron et al.
patent: 4889596 (1989-12-01), Schoggen et al.
patent: 4889597 (1989-12-01), Bourbon et al.
patent: 4898642 (1990-02-01), Moore et al.
Gagliardi, D. D., "Crosslinking of Cellulose with Polycarboxylic Acids" American Dyestuff Reporter, pp. 300-303 (Apr. 1963).
B. A. Kottes Andrews et al. "Efficient Ester Crosslink Finishing for Formaldehyde-Free Durable Press Cotton Fabrics" American Dyestuff Reporter, vol. 78 pp. 15-23 (Jun. 1989).
Clark Welch "Tetracarboxylic Acids as Formaldehyde-Free Durable Press Ffinishing Agents", Textile Research Journal, 58, No. 8, pp. 480-486 (Aug. 1988).
Rowland and Brannan, "Mobile Ester Cross Links for Thermal Creasing of Wrinkle-Resistant cotton Fabrics", Textile Research Journal, pp. 634-643 (Jun. 1968).
Gagliardi and Shippee, "Crosslinking of Cellulose with Polycarboxylic Acids",American Dyestuff Reporter, pp. 300-303 (Apr. 15, 1963).
Cooper David J.
Hanser Thomas R.
Herron Carlisle M.
Hersko Bart S.
Braun Fredrick H.
Hersko Bart S.
McNally John F.
Schaeffer Jack D.
The Proctor & Gamble Co.
LandOfFree
Process for preparing individualized, polycarboxylic acid crossl does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for preparing individualized, polycarboxylic acid crossl, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing individualized, polycarboxylic acid crossl will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-124257