Patent ID: 11993877

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.