An object of the present invention is to provide, in particular, flame-resistant paper for a radio wave absorber member, the flame-resistant paper being unlikely to break during the production process and having favorable producibility in addition to being suitable for a radio wave absorber member and having high flame resistance. The flame-resistant paper for a radio wave absorber member according to the present invention contains pulp, aluminum hydroxide, guanidine phosphate, a binder, and a conductive substance, in which the content of the pulp is 5 to 20 mass%, the content of the aluminum hydroxide is 40 to 70 mass%, the content of the guanidine phosphate is 10 to 20 mass%, the content of the binder is 5 to 10 mass%, and the content of the conductive substance is 0.1 to 12 mass%.

An object of the present invention is to provide, in particular, flame-resistant paper for a radio wave absorber member, the flame-resistant paper being unlikely to break during the production process and having favorable producibility in addition to being suitable for a radio wave absorber member and having high flame resistance. The flame-resistant paper for a radio wave absorber member according to the present invention contains pulp, aluminum hydroxide, guanidine phosphate, a binder, and a conductive substance, in which the content of the pulp is 5 to 20 mass%, the content of the aluminum hydroxide is 40 to 70 mass%, the content of the guanidine phosphate is 10 to 20 mass%, the content of the binder is 5 to 10 mass%, and the content of the conductive substance is 0.1 to 12 mass%.

The invention relates to a method for producing paper, board or the like. The method comprises obtaining a fibre stock comprising lignocellulosic fibres and adding a retention agent system comprising a cationic synthetic polymer to the fibre stock and forming a fibrous web from the fibre stock and drying the web. Microfibrillated non-wood cellulose is added to the fibre stock as a component of the retention agent system and sequentially with the cationic synthetic polymer.

The invention relates to fibrous structures having desirable physical properties, such as good tensile strength, low stiffness and high bulk, manufactured using a fiber furnish comprising cellulosic fibers having a pH of 5.0 or less and at least one strength resin. Not only do structures prepared with acidic fibers have desirable physical properties, they may also be manufactured in an energy efficient manner. To achieve the greatest energy savings it is generally desirable that acidic fibers not be subjected to mechanical treatment, such as by refining, prior to forming the fiber into a fibrous structure. Further, it may be desirable to subject the remainder of the fiber furnish to a minimal degree of mechanical treatment, such as by refining, so as to produce a furnish having a freeness greater than about 550 mL.

The invention relates to a thickening agent P for an aqueous composition, in particular for a hydro-alcoholic composition. The thickening agent P is prepared in the absence of acrylamide by a polymerisation reaction using N-methylol acrylamide or one of the derivatives thereof, an acid and an acid ester. A specific condensate of (meth)acrylic acid and N-methylol acrylamide are part of the invention. The invention also provides a hydro-alcoholic composition, the viscosity of the hydro-alcoholic composition being controlled.

The invention also provides a hydro-alcoholic composition, the viscosity of the hydro-alcoholic composition being controlled.

Disclosed herein are sheets or webs of a resin-impregnated fibrous material, including an impregnating resin, which includes a combination of a) at least one resin component A, which is selected from the group consisting of aminoplast resins and phenoplast resins and mixtures thereof; and b) at least one resin component B, which is an oligomer or polymer having ethylenically unsaturated double bonds, where at least 40 mol % of the ethylenically unsaturated double bonds are selected from the group consisting of allyl groups, acryl groups and methacryl groups. Further disclosed herein is a process for producing a resin-impregnated fibrous material, which includes impregnating a fibrous material in the form of a sheet or a web with a liquid resin composition including a combination of a) the resin component A; and b) the resin component B.

Disclosed herein are sheets or webs of a resin-impregnated fibrous material, including an impregnating resin, which includes a combination of a) at least one resin component A, which is selected from the group consisting of aminoplast resins and phenoplast resins and mixtures thereof; and b) at least one resin component B, which is an oligomer or polymer having ethylenically unsaturated double bonds, where at least 40 mol % of the ethylenically unsaturated double bonds are selected from the group consisting of allyl groups, acryl groups and methacryl groups. Further disclosed herein is a process for producing a resin-impregnated fibrous material, which includes impregnating a fibrous material in the form of a sheet or a web with a liquid resin composition including a combination of a) the resin component A; and b) the resin component B.

A multi-ply through air dried structured tissue having a bulk softness of less than 10 TS7 and a lint value of 5.0 or less. Each ply of the tissue has a first exterior layer that includes a wet end temporary wet strength additive in an amount of approximately 0.25 kg/ton and a wet end dry strength additive in an amount of approximately 0.25 kg/ton, an interior layer that includes a first wet end additive comprising an ionic surfactant, and a second wet end additive comprising a non-ionic surfactant, and a second exterior layer.

A multi-ply through air dried structured tissue having a bulk softness of less than 10 TS7 and a lint value of 5.0 or less. Each ply of the tissue has a first exterior layer that includes a wet end temporary wet strength additive in an amount of approximately 0.25 kg/ton and a wet end dry strength additive in an amount of approximately 0.25 kg/ton, an interior layer that includes a first wet end additive comprising an ionic surfactant, and a second wet end additive comprising a non-ionic surfactant, and a second exterior layer.

A method for manufacturing a multi-layered fibrous web is disclosed, which includes at least two fibrous layers, where each layer is formed from one or more fibre stocks. The fibrous layers are combined prior to subjecting the multilayered fibrous web to wet-pressing and drying. At least one layer of the multi-layered fibrous web is formed from a fibre stock including at least 50 weight-% of a chemi-thermomechanical pulp (CTMP), a hardwood kraft pulp and/or a recycled fibre material calculated from a thick stock applied to a particular layer approach system. A first strength component and a second strength component are added to the fibre stock. The first strength component includes a cationic strength agent and the second strength component includes a synthetic amphoteric polymer composition having a net charge from −3 to +1 meq/g (dry), at a pH of 7.