D - Textiles – Paper – 01 – F
Patent
D - Textiles, Paper
01
F
400/1338, 18/591
D01F 2/08 (2006.01) A61L 15/00 (2006.01) A61L 15/22 (2006.01)
Patent
CA 1082382
Abstract of the Disclosure An alloyed cellulosic fiber containing an alkali metal salt or ammonium salt of a copolymer or terpolymer of acrylic acid and/or methacrylic acid and an aliphatic ester of at least one of the acids is prepared by a process wherein the copolymer or terpolymer is mixed with a viscose solution and the mixture is extruded through a spinneret into a conventional spin bath and processed into staple fibers which are adapted to be used in absorbent articles and the like. The alloyed cellulosic fiber of the invention has increased fluid absor- bency characteristics over the fibers of the same cellulose composition without the alloying material. An unsaturated aliphatic dicarboxylic acid such as maleic acid or anhydride may be incorporated in the copolymer or terpolymer. Also, a copolymer ox terpolymer of acrylic acid or methacrylic acid and an aliphatic ester of acrylic acid or methacrylic acid contain- ing radicals obtained from acryloamidoalkane sulfonic acid or an unsaturated phosphorous acid or a polymer prepared by reacting an acryloamidoalkane sulfonic acid may be used.
287754
Akzona Incorporated
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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