A method to produce dried single-layer or multi-layer paper is disclosed. The method comprises, for a single-layer paper, preparing and spraying a partially dehydrated first fibrous web with a spray solution or suspension to give a sprayed partially dehydrated first fibrous web, and dehydrating the sprayed partially dehydrated first fibrous web by applying heat to form a dried single-layer paper; or, for a multi-layer paper, preparing and spraying a partially dehydrated layer compound with a spray solution or suspension to form a sprayed layer compound, and dehydrating the sprayed layer compound by applying heat to form a dried multi-layer paper. The spray solution or suspension comprises water and at least one water-soluble polymer P, which is obtained by polymerizing: (i) a monomer of formula H.sub.2CCHNHC(0)R.sup.1, where R.sup.1 is H or C.sub.1-C.sub.6- alkyl; and (ii) one or more ethylenically unsaturated monomers different from monomer (i).

Methods for forming multi-layer substrates including top and bottom surface layers and a melt softened thermoplastic material layer between the exterior surface layers, where the thermoplastic material includes polyethylene or has a tan delta value of 0.2 to 0.4 within the temperature range of 100° F.−350° F. The 3 (or more) layers are assembled, and heated, melt softening the thermoplastic material, causing bonding of the thermoplastic layer to the exterior surface layers. A cleaning composition may be loaded onto the multi-layer substrate, where a fluid pathway through the melted thermoplastic material allows the cleaning composition to travel between the surface layers. Adhesion between the surface layers and the thermoplastic layer is provided by the thermoplastic material itself, which bonds to groups of fibers in the surface layers. The process does not require chemical adhesives, any processing water, drying, or the like, so as to be possible with low capital investment.

A method for dielectrically heating foamable composition to foam and set the composition is described. In particular, radio frequency (RF) heating is used to heat the foamable composition to provide insulation in the manufacture of an article.

A method for dielectrically heating foamable composition to foam and set the composition is described. In particular, radio frequency (RF) heating is used to heat the foamable composition to provide insulation in the manufacture of an article.

A germ-repellent paper product contains a paper substrate and a germ-repellent overprint varnish. The germ-repellent overprint varnish contains a varnish and a germ-repellent agent. The germ-repellent overprint varnish is coated onto the paper substrate to form a germ-repellent paper product. A method for manufacturing such a germ-repellent paper product is also provided.

A coated paperboard container includes a paperboard substrate and an aqueous barrier coating on the paperboard substrate. The coated paperboard container has a repulpability yield of 75% accepts or greater, a sidewall seam bond strength of 30 pounds per inch or greater, and a wet rigidity loss of 50% or less.

A coated paperboard container includes a paperboard substrate and an aqueous barrier coating on the paperboard substrate. The coated paperboard container has a repulpability yield of 75% accepts or greater, a sidewall seam bond strength of 30 pounds per inch or greater, and a wet rigidity loss of 50% or less.

The present invention relates to a method for hydrophobizing a cellulose substrate (1), which comprising a first side and a second side, which faces away from the first side, the method comprising the steps of: —drying the cellulose substrate to a dry content above 80%, preferably above 85%; —providing a fatty acid halide in spray form; —converting said fatty acid halide in spray form into vaporized fatty acid halide; and —guiding said vaporized fatty acid halide to contact the first side of the cellulose substrate, and at least partially penetrate the cellulose substrate.

Cellulose-based composite material comprising an electrically conductive material dispersed in a matrix comprising at least one plant-derived protein and a polymer of aleuritic acid, said composite material being obtainable by a process comprising the steps of dissolving at least one plant-derived protein and aleuritic acid in a dissolving solution to achieve a first mixture, dispersing an electrically conductive material in said first mixture to achieve a conductive ink, distributing said conductive ink on at least one side of a cellulose substrate to achieve a coated cellulose substrate, hot-pressing said coated cellulose substrate to obtain i) impregnation of the cellulose substrate with said conductive ink and ii) polymerization of aleuritic acid.

Cellulose-based composite material comprising an electrically conductive material dispersed in a matrix comprising at least one plant-derived protein and a polymer of aleuritic acid, said composite material being obtainable by a process comprising the steps of dissolving at least one plant-derived protein and aleuritic acid in a dissolving solution to achieve a first mixture, dispersing an electrically conductive material in said first mixture to achieve a conductive ink, distributing said conductive ink on at least one side of a cellulose substrate to achieve a coated cellulose substrate, hot-pressing said coated cellulose substrate to obtain i) impregnation of the cellulose substrate with said conductive ink and ii) polymerization of aleuritic acid.