Abstract: Aqueous cellulosic binder comprising modified cellulose (carboxymethylcellulose and/or sodium carboxymethylcellulose), water, and optionally binder modifier (crosslinking agent and/or wet strength agent); with a weight ratio of water modified cellulose of 99.9:0.1 to 1,000:500, with a weight ratio of binder modifier:modified cellulose of 1:2 to 1:1,000; wherein crosslinking agent comprises carboxylic acid having two or more carboxyl groups; and wherein wet strength agent comprises a reactive functional group (halide, chloride, fluoride, hydroxyl). A method of making aqueous cellulosic binder comprising contacting modified cellulose with water to form modified cellulose solution; and optionally contacting modified cellulose solution with binder modifier to form aqueous cellulosic binder. A nonwoven fabric comprising fiber web (85-99.9 wt. %); and cured cellulosic binder (0.1-15 wt. %). An article formed from the nonwoven fabric.

Abstract: A nonwoven fabric comprising a fiber web in an amount of 85-99.99 wt. %, and a cured natural binder in an amount of 0.01-15 wt. %; wherein the fiber web comprises natural fibers and synthetic fibers; wherein natural fibers are present in the nonwoven fabric in an amount of 70-90 wt. %; wherein synthetic fibers are present in the nonwoven fabric in an amount of from 10-30 wt. %; wherein the cured natural binder comprises modified cellulose and a strengthening agent in a weight ratio of strengthening agent to modified cellulose of 1:2 to 1:1,000, wherein modified cellulose comprises CMC and/or sodium CMC, wherein the strengthening agent comprises a crosslinking agent and/or a wet strength agent, wherein the crosslinking agent comprises a carboxylic acid having two or more carboxyl groups, and wherein the wet strength agent comprises a reactive functional group selected from the group consisting of halide, chloride, fluoride, hydroxyl, and combinations thereof.

Abstract: A nonwoven fabric comprising a fiber web in an amount of 85-99.99 wt. %, and a cured natural binder in an amount of 0.01-15 wt. %; wherein the fiber web comprises natural fibers and synthetic fibers; wherein natural fibers are present in the nonwoven fabric in an amount of 70-90 wt. %; wherein synthetic fibers are present in the nonwoven fabric in an amount of from 10-30 wt. %; wherein the cured natural binder comprises modified cellulose and a strengthening agent in a weight ratio of strengthening agent to modified cellulose of 1:2 to 1:1,000, wherein modified cellulose comprises CMC and/or sodium CMC, wherein the strengthening agent comprises a crosslinking agent and/or a wet strength agent, wherein the crosslinking agent comprises a carboxylic acid having two or more carboxyl groups, and wherein the wet strength agent comprises a reactive functional group selected from the group consisting of halide, chloride, fluoride, hydroxyl, and combinations thereof.

Abstract: Aqueous cellulosic binder comprising modified cellulose (carboxymethylcellulose and/or sodium carboxymethylcellulose), water, and optionally binder modifier (crosslinking agent and/or wet strength agent); with a weight ratio of water modified cellulose of 99.9:0.1 to 1,000:500, with a weight ratio of binder modifier:modified cellulose of 1:2 to 1:1,000; wherein crosslinking agent comprises carboxylic acid having two or more carboxyl groups; and wherein wet strength agent comprises a reactive functional group (halide, chloride, fluoride, hydroxyl). A method of making aqueous cellulosic binder comprising contacting modified cellulose with water to form modified cellulose solution; and optionally contacting modified cellulose solution with binder modifier to form aqueous cellulosic binder. A nonwoven fabric comprising fiber web (85-99.9 wt. %); and cured cellulosic binder (0.1-15 wt. %). An article formed from the nonwoven fabric.

Abstract: A chitosan-latex binder comprising chitosan and latex binder in a weight ratio of chitosan to latex binder of from about 1:10 to about 1:15,000. A method of making a chitosan-latex binder, the method comprising (a) contacting chitosan with an acidic solution to form a chitosan solution, and (b) contacting at least a portion of the chitosan solution with a latex binder to form the chitosan-latex binder, wherein the chitosan-latex binder is characterized by a chitosan to latex binder weight ratio of from about 1:10 to about 1:15,000.