Abstract: A building material product comprising a cementitious binder, an aggregate and cellulose reinforcing fibers wherein the cellulose reinforcing fibers have been treated with cationic or nonionic oil. The resulting fiber when included in a fiber cement composite results in improved deflection of the composite at peak loading as well as improved impact strength while maintaining overall board strength.

Abstract: A cement product incorporating nanocrystalline cellulose and cellulose fiber throughout the product and a method of making the product.

Abstract: Cellulose filtration products comprising nonwoven lyocell fiber webs in which the fibers have a diameter of from 3 to 12 microns, the largest pore diameter of less than about 300 microns and a mean flow pore diameter of less than about 150 microns are disclosed. Multilayer nonwoven lyocell fiber webs are also disclosed which have lower mean flow pore diameters and lower pore sizes.

Abstract: A building material product comprising a cementitious binder, an aggregate and cellulose reinforcing fibers wherein the cellulose reinforcing fibers have been treated with oil which is bound to the fiber by a retention aid. The resulting fiber when included in a fiber cement composite results in improved deflection of the composite at peak loading as well as improved impact strength while maintaining overall board strength.

Abstract: Artificial fire logs made from non-petrochemical based, renewable materials are described. These artificial fire logs perform substantially equivalent to existing commercial fire logs. The artificial fire logs are made from cellulosic materials, a lignin containing composition and a non-petroleum based wax where the lignin containing composition comprises lignin and 1,3-propanediol derived from a renewable resource.

Abstract: Particles comprising a combination of a carboxyalkyl cellulose and a starch, wherein the particles comprise a plurality of non-permanent metal crosslinks. The non-permanent intra-fiber metal crosslinks include multi-valent metal ion crosslinks formed with one or more metal ions selected from aluminum, boron, bismuth, titanium, and zirconium ions.

Abstract: The barrier properties of a water soluble gas barrier material are improved if the material is blended with a nanoparticle calcium carbonate having a size of from 10 to 250 nanometers. The barrier material is on a substrate to provide a substrate with gas barrier properties. A layer of heat sealable material may be applied to the exposed surface of the barrier material. A method for making the barrier coated substrate is disclosed.

Abstract: Cellulose fibers having particles attached thereto, the particles comprising a carboxyalkyl cellulose, a starch, and a plurality of non-permanent metal crosslinks. The non-permanent intra-fiber metal crosslinks include multi-valent metal ion crosslinks formed with one or more metal ions selected from aluminum, boron, bismuth, titanium, and zirconium ions.

Abstract: Absorbent structures with nonwoven meltblown lyocell fiber webs are described which have excellent liquid distribution properties. The absorbent structures comprise at least two nonwoven meltblown lyocell fiber webs with superabsorbent polymer intermediate the two webs. Methods for making the structures are also described. The structures are particularly useful for use in disposable hygienic products.

Abstract: A method for making mixed polymer composite fibers in which a carboxyalkyl cellulose and a starch are blended in water to provide an aqueous gel; the aqueous gel treated with a first crosslinking agent to provide a crosslinked gel; the crosslinked gel mixed with a water-miscible solvent to provide fibers; and the fibers treated with a second crosslinking agent to provide crosslinked mixed polymer composite fibers.

Abstract: A cellulose pulp particle having the shape of a general prismatoid having two parallel bases, the pulp particle comprising pulp fibers in a wet laid pulp sheet form, one of the bases having an area that is equal to or greater than the area of the other base, the area of the larger base being equal to or less than 35 mm2 and equal to or greater than 8 mm2, the distance between the bases being equal to or greater than 0.9 mm and equal to or less than 5 mm, the particle being treated with a material. In some embodiments the material can be a hydrophilic, hydrophobic or softening chemical or a film.

Abstract: A method for making fibers having particles attached thereto, comprising blending a carboxyalkyl cellulose and a starch in water to provide an aqueous gel; treating the aqueous gel with a first crosslinking agent to provide a crosslinked gel; drying the crosslinked gel to provide a solid; comminuting the solid to provide a plurality of particles; combining at least a portion of the plurality of particles with a aqueous dispersion comprising cellulose fibers and a first water-miscible solvent and, optionally, a second crosslinking agent, to provide a mixture comprising swollen particles and cellulose fibers; and adding a second water-miscible solvent to the mixture to provide fibers having particles attached thereto.

Abstract: A method for dissolving cellulose in which the cellulose based raw material is admixed with a mixture of a dipolar aprotic intercrystalline swelling agent and an ionic liquid at a temperature of 25° C. to 180° C. for a time sufficient to dissolve the cellulose based raw material. The molar ratio of dipolar aprotic intercrystalline swelling agent to ionic liquid is 0.05 to 1.5 moles of dipolar aprotic intercrystalline swelling agent to 1 mole of ionic liquid. Dipolar aprotic intercrystalline swelling agents do not include imidazole based agents or amine based agents.

Abstract: An acetylated softwood lignin fiber having a diameter of 5 to 100 microns.

Abstract: Particles comprising a combination of a carboxyalkyl cellulose and a galactomannan polymer or a glucomannan polymer, wherein the particles comprise a plurality of non-permanent metal crosslinks.

Abstract: A mixed polymer fiber, comprising a crosslinked polymer fiber comprising carboxyalkyl cellulose and a galactomannan polymer or a glucomannan polymer, and cellulose fiber.

Abstract: A method for making mixed polymer composite fibers containing cellulose fibers in which cellulose fibers are dispersed in an aqueous solution comprising a carboxyalkyl cellulose and a galactomannan polymer or a glucomannan polymer in water to provide an aqueous fiber dispersion; the aqueous dispersion treated with a first crosslinking agent to provide a gel; the gel mixed with a water-miscible solvent to provide composite fibers; and the composite fibers treated with a second crosslinking agent to provide crosslinked fibers.

Abstract: A method of making a carbon fiber from softwood alkaline black liquor lignin by acetylating the lignin to provide a meltable and drawable lignin.

Abstract: A method for making particles containing carboxyalkyl cellulose, comprising blending a carboxyalkyl cellulose and a galactomannan polymer or a glucomannan polymer in water to provide an aqueous solution; treating the aqueous solution with a crosslinking agent to provide a gel; drying the gel to provide a solid; comminuting the solid to provide a plurality of particles.

Abstract: A method for making a fibrous composite, comprising blending a carboxyalkyl cellulose and a galactomannan polymer or a glucomannan polymer in water to provide an aqueous solution; treating the aqueous solution with a first crosslinking agent to provide a gel; drying the gel to provide a solid; comminuting the solid to provide a plurality of particles; combining at least a portion of the plurality of particles with an aqueous suspension comprising cellulose treated with a galactomannan polymer or a glucomannan polymer, and optionally a second crosslinking agent, to provide a mixture; and mixing the mixture with a water-miscible solvent to provide a fibrous composite.