The present invention is directed to products, such as paper and paperboard products, comprising a substrate containing cellulose and top ply comprising microfibrillated cellulose and inorganic particulate, to methods of making such paper and paperboard products, and associated uses of such paper and paperboard products. The microfibrillated cellulose and inorganic particulate material are applied at the stage when the wet substrate is in the process of being formed on the wire of a papermaking machine, thereby avoiding the additional cost of more extensive equipment and machinery as well as in separate drying of a coating. The microfibrillated cellulose facilitates the application of inorganic particulate onto the surface of a wet paper or paperboard substrate when applied thusly, by trapping the inorganic particulate on the surface of the substrate and by giving the composite sufficient strength and a suitable pore structure to make it suitable for printing and other end-use demands.

The present disclosure relates to composite materials comprising a resin and at least one sheet that comprise optionally cellulose filaments (CF), fillers and optionally reinforcing fibers as well as methods for the preparation thereof. The methods comprise impregnating the sheets comprising the cellulose filaments, fillers and optionally the reinforcing fibers or a stack thereof with resin. The composite materials can optionally comprise at least one other sheet, the at least one other sheet being different from the at least one sheet and comprising fibers chosen from wood pulp, fiberglass, natural fibers and mixtures thereof. The sheet can also be in the form of a panel of a preform.

Layered, and optionally dispersible fibrous structures containing fibrous elements that exhibit different physical characteristics, such as different lengths, sanitary tissue products employing same, and methods for making same are provided.

Layered, and optionally dispersible fibrous structures containing two or more layers that exhibit different planar characteristics, sanitary tissue products employing such layered, optionally dispersible fibrous structures, and methods for making same are provided.

Layered, and optionally dispersible fibrous structures containing fibrous elements that exhibit different physical characteristics, such as different average diameters as measured by the Average Diameter Test Method described herein, different surface characteristics, different lengths, different sources (naturally occurring versus non-naturally occurring and/or spun versus non-spun), sanitary tissue products employing such layered fibrous structures, and methods for making same are provided.

Layered, and optionally dispersible fibrous structures containing fibrous elements that exhibit different physical characteristics, such as different average diameters as measured by the Average Diameter Test Method described herein, different surface characteristics, different lengths, different sources (naturally occurring versus non-naturally occurring and/or spun versus non-spun), sanitary tissue products employing such layered fibrous structures, and methods for making same are provided.

Layered, and optionally dispersible fibrous structures containing fibrous elements that exhibit different physical characteristics, such as different average diameters as measured by the Average Diameter Test Method described herein, different surface characteristics, different lengths, different sources (naturally occurring versus non-naturally occurring and/or spun versus non-spun), sanitary tissue products employing such layered, dispersible fibrous structures, and methods for making same are provided.

Provided is a moisturized tissue excellent in strength and snot wiping property.

In the moisturized tissue paper, a paper thickness is 220 to 330 μm, a basis weight is 15 to 18 g/m.sup.2 per ply, a proportion of NBKP in the pulp combination is more than 70 mass %, a chemical solution content is 26 to 32 mass %, an arithmetic mean curvature at a peak point of an outer surface in an unpressurized state (Spc (1)) is 4.0 to 4.8 (1/mm), and a developed area ratio at an interface on the outer surface (Sdr) is 0.020 to 0.030 (−).

Provided is a moisturized tissue excellent in strength and snot wiping property.

In the moisturized tissue paper, a paper thickness is 220 to 330 μm, a basis weight is 15 to 18 g/m.sup.2 per ply, a proportion of NBKP in the pulp combination is more than 70 mass %, a chemical solution content is 26 to 32 mass %, an arithmetic mean curvature at a peak point of an outer surface in an unpressurized state (Spc (1)) is 4.0 to 4.8 (1/mm), and a developed area ratio at an interface on the outer surface (Sdr) is 0.020 to 0.030 (−).

Compositions and methods related to new wet strength resins are provided. By using functionally-symmetrical cross-linkers and mono-functional modifiers, and separating the steps of reacting a prepolymer with the cross-linkers from the reaction of intermediate cross-linked prepolymer with epichlorohydrin, new wet strength resin products are provided having improved properties.