Patent classifications
D21H17/36
Flushable wipe and method of forming the same
A multi-ply flushable wipe includes a ply having first and second exterior layers and a middle layer disposed therebetween. Each of the exterior layers includes at least 50% by weight natural fibers. When foam-formed, the middle layer includes at least 25% by weight natural fibers. In embodiments, the middle layer may include at least 75% by weight natural fibers. The middle layer also includes synthetic fibers that have a length within the range of 1 mm and 20 mm. The wipe may have a length weight weighted average fiber length of less than 4 mm and a wet CD strength of greater than 20 N/m. Each ply of the wipe may be formed by wetlaying the first and second exterior layers and a foam formed middle layer to form a web, imprinting the web with a structured fabric, and drying the web. The plies are then attached using a binder.
PAPERBOARD AND LAMINATE COMPRISING A BIO-BARRIER
The present invention relates to a paper or paperboard substrate having barrier properties, which substrate comprises a single or multiply structure with e.g. a top ply, a middle ply and a bottom ply, wherein at least one of said top ply and said bottom ply is provided with a high-density bio-barrier layer, and wherein said top or bottom ply provided with the high-density bio-barrier layer and said top or bottom ply not provided with the high-density bio-barrier layer have both been subjected to grafting with a fatty acid halide.
STARCH-CELLULOSE COMPOSITE MATERIAL
A composite can include cellulose fiber; and foam binding the cellulose fiber. A method for manufacturing a composite can comprise mixing a plurality of ingredients to form a pre-foam mixture; foaming the pre-foam mixture to produce a foam; mixing the foam with cellulose fiber to form a composite material; and curing the composite material.
STARCH-CELLULOSE COMPOSITE MATERIAL
A composite can include cellulose fiber; and foam binding the cellulose fiber. A method for manufacturing a composite can comprise mixing a plurality of ingredients to form a pre-foam mixture; foaming the pre-foam mixture to produce a foam; mixing the foam with cellulose fiber to form a composite material; and curing the composite material.
CREPED MULTI-PLY TISSUE PRODUCT
Disclosed are multi-ply tissue products comprising a non-crosslinked binder that are durable, smooth and with low levels of Slough. In certain instances the creped tissue product have a geometric mean tensile (GMT) from about 700 to about 1,500 g/3″ a basis weight from about 45 to about 60 gsm and a Slough less than about 2.00 mg, more preferably less than about 1.50 mg, such as from about 0.10 to about 2.00, such as from about 0.25 to about 1.50 mg. The inventive tissue products also have good durability, such as a Durability Index from about 10.0 to about 20.0, smooth surfaces, such as a TS750 value from about 15.0 to 40.0 and low stiffness, such as a Stiffness Index less than about 10.0.
CREPED MULTI-PLY TISSUE PRODUCT
Disclosed are multi-ply tissue products comprising a non-crosslinked binder that are durable, smooth and with low levels of Slough. In certain instances the creped tissue product have a geometric mean tensile (GMT) from about 700 to about 1,500 g/3″ a basis weight from about 45 to about 60 gsm and a Slough less than about 2.00 mg, more preferably less than about 1.50 mg, such as from about 0.10 to about 2.00, such as from about 0.25 to about 1.50 mg. The inventive tissue products also have good durability, such as a Durability Index from about 10.0 to about 20.0, smooth surfaces, such as a TS750 value from about 15.0 to 40.0 and low stiffness, such as a Stiffness Index less than about 10.0.
METHOD FOR MANUFACTURING INJECTION MOLDING MATERIAL AND INJECTION MOLDING MATERIAL
A method for manufacturing an injection molding material includes: an imparting step of imparting a water-soluble high molecular weight material to a cellulose raw material; a defibrating step of defibrating the cellulose raw material to which the water-soluble high molecular weight material is imparted to form a defibrated material; and a mixing step of mixing the defibrated material with a starch in a gas atmosphere.
METHOD FOR MANUFACTURING INJECTION MOLDING MATERIAL AND INJECTION MOLDING MATERIAL
A method for manufacturing an injection molding material includes: an imparting step of imparting a water-soluble high molecular weight material to a cellulose raw material; a defibrating step of defibrating the cellulose raw material to which the water-soluble high molecular weight material is imparted to form a defibrated material; and a mixing step of mixing the defibrated material with a starch in a gas atmosphere.
POLYMER AND METHODS FOR MANUFACTURING IT
The invention relates to a polymer having a main chain which is obtained by free radical emulsion polymerisation of a monomer mixture, which comprises at least one optionally substituted styrene, at least one C1-C4 alkyl (meth) acrylate and at least one ethylenically unsaturated monomer. The monomer mixture is polymerised in a reaction mixture comprising a natural and/or synthetic polymeric stabilator. According to the invention the polymer main chain further comprises a reaction product of silica sol and an unsaturated organosilicon compound. The invention relates also to methods of making such polymer.
Yankee adhesive compositions and methods of using these compositions
The invention relates to a method of transferring a tissue web with residual moisture to a Yankee cylinder and final removal of the dried tissue web from the Yankee cylinder using a doctor blade and collecting the dried web on a reel-up machine forming a tissue reel. The invention also relates to the Yankee adhesive composition per se. The method involves preparation of a water solution of a Yankee adhesive composition with less than 10% final solids content to be applied on the surface of the Yankee cylinder ahead of transferring the tissue web with residual moisture to the Yankee cylinder. The inventive method applies an aqueous PVOH solution with a very high molecular weight polyvinyl alcohol as a part of the solid content of the Yankee adhesive in an amount ranging from 20-65% of the final solids content of the Yankee adhesive. The aqueous PVOH solution with the very high molecular weight polyvinyl alcohol establish a viscosity ranging from 90 cP to 300 cP.