Modified cellulose fiber having improved curl

Details Modified cellulose fiber having improved curl Modified cellulose fiber having improved curl

1996-12-13

1998-01-06

Jordan, Charles T.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

C08B 500

Patent

active

H00017043

ABSTRACT:
Disclosed is a modified cellulose fiber having improved curl characteristics. Specifically, the present invention relates to oxidized or sulfonated cellulose fibers being highly curled, wherein such curl is highly stable. The oxidized or sulfonated curled cellulose fiber may be prepared by a process comprising treating the fibers in a high energy refiner effective to provide the desired curl properties to the fiber. The modified cellulose having improved curl characteristics may be used in disposable absorbent products.

REFERENCES:
patent: 4898642 (1990-02-01), Moore et al.
patent: 5522967 (1996-06-01), Shet
Neogi, A. N. and Jon R. Jensen, "Wet Strength Improvement Via Fiber Surface Modification," Tappi, vol. 63, No. 8, Aug. 1980, pp. 86-88.
TAPPI Official Test Method T237 om-93, "Carboxyl Content of Pulp," published by the TAPPI Press, Atlanta, Georgia, revised 1993, pp. 1-3.
TAPPI Official Test Method T430 om-94, "Copper Number of Pulp, Paper and Paperboard," published by the TAPPI Press, Atlanta, Georgia, revised 1994, pp. 1-3.

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