The present invention relates to a coated article, comprising a carrier material and a resin composition, preferably a B-stage resin composition. The invention further relates to the method of preparing said coated article and in particular to the use of said coated articles for the manufacture of shuttering boards.

Provided is a method of producing a structure for producing a casting, including: a process (I) of obtaining a slurry composition containing an organic fiber, an inorganic fiber, a thermosetting resin, and water; a process (II) of obtaining a fiber laminate by subjecting the slurry composition to papermaking; and a process (III) of dehydrating the fiber laminate and thereafter drying the resultant, in which the process (I) includes a process (I-1) of beating a mixture containing the organic fiber and water, a process (I-2) of mixing the mixture obtained in the process (I-1) and water, and a process (I-3) of mixing the mixture obtained in the process (I-2) and the inorganic fiber, the thermosetting resin is mixed in at least any of the process (I-1), the process (I-2), and the process (I-3), and an average fiber length of the inorganic fiber in the structure for producing a casting is 1 mm or longer and 5 mm or shorter.

Provided is a method of producing a structure for producing a casting, including: a process (I) of obtaining a slurry composition containing an organic fiber, an inorganic fiber, a thermosetting resin, and water; a process (II) of obtaining a fiber laminate by subjecting the slurry composition to papermaking; and a process (III) of dehydrating the fiber laminate and thereafter drying the resultant, in which the process (I) includes a process (I-1) of beating a mixture containing the organic fiber and water, a process (I-2) of mixing the mixture obtained in the process (I-1) and water, and a process (I-3) of mixing the mixture obtained in the process (I-2) and the inorganic fiber, the thermosetting resin is mixed in at least any of the process (I-1), the process (I-2), and the process (I-3), and an average fiber length of the inorganic fiber in the structure for producing a casting is 1 mm or longer and 5 mm or shorter.

A method for producing a thermal insulating paper includes producing the thermal insulating paper in a classic paper production process from a raw material having materials with good thermal properties and materials with electrically insulating properties in a paper matrix. A thermal insulating paper produced using the above method may include inorganic fibers, electrical insulators, aramid fibers, or binders.

A method for producing a thermal insulating paper includes producing the thermal insulating paper in a classic paper production process from a raw material having materials with good thermal properties and materials with electrically insulating properties in a paper matrix. A thermal insulating paper produced using the above method may include inorganic fibers, electrical insulators, aramid fibers, or binders.

A method for manufacturing a carbon fiber sheet, the method including a carbon fiber forming step of heating a resin sheet to a carbonization temperature at a heating rate of 15,000° C./sec or higher, thereby forming a carbon fiber from the resin sheet. In the carbon fiber forming step, the resin sheet is preferably irradiated with an energy ray having an output density of 130 W/mm.sup.2 or higher and an amount of irradiation energy of 0.05 J/mm.sup.2 or more.

A method for manufacturing a carbon fiber sheet, the method including a carbon fiber forming step of heating a resin sheet to a carbonization temperature at a heating rate of 15,000° C./sec or higher, thereby forming a carbon fiber from the resin sheet. In the carbon fiber forming step, the resin sheet is preferably irradiated with an energy ray having an output density of 130 W/mm.sup.2 or higher and an amount of irradiation energy of 0.05 J/mm.sup.2 or more.

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 method for producing a wet-running friction paper includes providing a fiber portion with a fiber, providing a filler portion with a filler, providing a binder portion with a phenol-resin-based binder, dissolving the binder portion to form a phenolate, and processing the fiber portion, the filler portion and the phenolate in a paper production process to form the wet-running friction paper.