A resin composition having favorable heat stability while capable of primary curing at 140° C or lower, and having excellent heat resistance after curing, and a pre-preg having excellent heat resistance while a molded product after molding maintains mechanical characteristics are provided. The resin composition of the present invention comprises a constituent element (A): a cyanate ester resin, a constituent element (B): an imidazole compound, and a constituent element (C): silica, in which an average particle size of the silica is 0.4 μm or less. The pre-preg of the present invention comprises carbon fibers, and the resin composition of the present invention.

The present invention relates to a biocidal coating composition for a surface, comprising overlapping flat lamellar metallic nanoparticles and/or microparticles having a diameter of less than 45 microns, in suspension in a binder comprising an epoxy resin, a thixotropic agent and a natural diluent selected from among water, preferably demineralized water, and/or ethylene glycol and/or denatured alcohol. Moreover, the invention also relates to a coating process comprising a step of applying said composition, and to the use of the coating composition according to the invention for coating a surface.

The invention relates to an acrylic alloy composition that can be 3-D printed by a material extrusion additive manufacturing process, to an acrylic filament that has a very uniform diameter useful in the extrusion additive manufacturing process, to acrylic articles made from the acrylic alloy composition by a material extrusion additive process, and to a material extrusion additive manufacturing process for producing the acrylic articles. The acrylic alloy composition is an alloy of an acrylic polymer, and a low melt viscosity polymer, such as polylactic acid. The alloy may optionally be impact modified, preferably with hard core core-shell impact modifiers.

A method for producing a thermally conductive sheet S includes a step of obtaining a thermally conductive composition by mixing a reactive liquid resin, which forms a rubbery or gelatinous matrix when crosslinked, a volatile liquid having a boiling point 10° C. or more higher than a curing temperature of the reactive liquid resin, and a thermally conductive filler; a step of forming a molded body by crosslinking and curing the reactive liquid resin at a temperature 10° C. or more lower than the boiling point of the volatile liquid; and a step of evaporating the volatile liquid by heating the molded body, in which these steps are performed sequentially.

A method for producing a thermally conductive sheet S includes a step of obtaining a thermally conductive composition by mixing a reactive liquid resin, which forms a rubbery or gelatinous matrix when crosslinked, a volatile liquid having a boiling point 10° C. or more higher than a curing temperature of the reactive liquid resin, and a thermally conductive filler; a step of forming a molded body by crosslinking and curing the reactive liquid resin at a temperature 10° C. or more lower than the boiling point of the volatile liquid; and a step of evaporating the volatile liquid by heating the molded body, in which these steps are performed sequentially.

A method for producing a thermally conductive sheet S includes a step of obtaining a thermally conductive composition by mixing a reactive liquid resin, which forms a rubbery or gelatinous matrix when crosslinked, a volatile liquid having a boiling point 10° C. or more higher than a curing temperature of the reactive liquid resin, and a thermally conductive filler; a step of forming a molded body by crosslinking and curing the reactive liquid resin at a temperature 10° C. or more lower than the boiling point of the volatile liquid; and a step of evaporating the volatile liquid by heating the molded body, in which these steps are performed sequentially.

There is provided herein a process of integrating electrically conductive material into a surface layer of an electrically conductive polymer, comprising the steps of including an electrically conductive material in a polymerisation mixture capable of forming an electrically conductive polymer, such that the material is provided across an uppermost and/or a lowermost region of the polymerisation mixture; and subsequently polymerising the polymerisation mixture. Also provided is an electrically conductive polymer and a supercapacitor formed using the process.

There is provided herein a process of integrating electrically conductive material into a surface layer of an electrically conductive polymer, comprising the steps of including an electrically conductive material in a polymerisation mixture capable of forming an electrically conductive polymer, such that the material is provided across an uppermost and/or a lowermost region of the polymerisation mixture; and subsequently polymerising the polymerisation mixture. Also provided is an electrically conductive polymer and a supercapacitor formed using the process.

A wet friction material includes a base including a matrix of fibers and filler particles embedded in the matrix of fibers; a binder embedded in an interior of the base; and a quaternary ammonium salt containing coating on an outer surface of the base. The quaternary ammonium salt containing coating can include a quaternary ammonium salt and a solution binder.

A wet friction material includes a base including a matrix of fibers and filler particles embedded in the matrix of fibers; a binder embedded in an interior of the base; and a quaternary ammonium salt containing coating on an outer surface of the base. The quaternary ammonium salt containing coating can include a quaternary ammonium salt and a solution binder.