Abstract: A wire sealer having sufficient sealing properties and satisfactory workability of sealing treatment is provided. The wire sealer is radiation-curable, and contains the following components (A) to (C): (A) urethane (meth)acrylate; (B) a compound having one ethylenically unsaturated group and not having an anion dissociative group; and (C) a radiation polymerization initiator, wherein a cured film obtained from the radiation-curable wire sealer shows an oil absorptivity of 7% by mass or more, a water absorptivity of 10% by mass or less, and a Young's modulus of 2 to 500 MPa.

Abstract: A photocurable resin composition for three-dimensional photofabrication operations, including stereolithography, comprising (A) a cationically polymerizable compound having two or more bisphenol structures and one or more hydroxyl groups, (B) a cationically polymerizable compound other than the component (A), (C) a cationic photoinitiator, (D) a radically polymerizable compound, (E) a radical photoinitiator, and (F) multilayer polymer particles having a core and a shell layer, the shell layer containing functional group-modified rubber polymer particles having at least one reactive functional group.

Abstract: A radiation curable resin composition, containing (A) urethane oligomer containing the reactants of an aliphatic polyester or polyether diol and a diisocyanate and a monohydric alcohol, or urethane oligomer obtained by reacting the reactants of an aliphatic polyester or polyether diol and a diisocyanate with a monohydric alcohol and then reacting a hydroxyl group-containing (meth)acrylate, and (B) monofunctional acrylic monomer, and the contained quantity of (C) polyfunctional acrylic monomer is 2 mass % or less is described and claimed.

Abstract: A photocurable resin composition for three-dimensional photofabrication operations, including stereolithography, comprising (A) a cationically polymerizable compound having two or more bisphenol structures and one or more hydroxyl groups, (B) a cationically polymerizable compound other than the component (A), (C) a cationic photoinitiator, (D) a radically polymerizable compound, (E) a radical photoinitiator, and (F) multilayer polymer particles having a core and a shell layer, the shell layer containing functional group-modified rubber polymer particles having at least one reactive functional group.

Abstract: The invention relates to a radiation curable resin composition for forming a coating layer for electrical wire; wherein the electrical wire is destined for use as automotive electrical wire. In addition, this invention relates to a radiation curable resin composition for forming a coating layer for telephone cable and electrical wire for connecting between electronic devices and inside electronic devices. The resin composition includes the following: (A) a urethane (meth)acrylate having a hard segment derived from an aromatic polyol and a soft segment derived from an aliphatic polyol in a single molecule; (B) a compound with a cyclic structure and one ethylenic unsaturated group; and (C) a radiation polymerization initiator.

Abstract: A process for producing a polymer includes mixing (A) a polysiloxane compound and (B) a polycarbosilane compound in the presence of a catalyst, water, and an organic solvent, and heating the mixture.

Abstract: A radiation curable resin composition, containing (A) urethane oligomer containing the reactants of an aliphatic polyester or polyether diol and a diisocyanate and a monohydric alcohol, or urethane oligomer obtained by reacting the reactants of an aliphatic polyester or polyether diol and a diisocyanate with a monohydric alcohol and then reacting a hydroxyl group-containing (meth)acrylate, and (B) monofunctional acrylic monomer, and the contained quantity of (C) polyfunctional acrylic monomer is 2 mass % or less is described and claimed.

Abstract: A method of forming an organic silica film includes forming a coating including a silicon compound having an —Si—O—Si— structure and an —Si—CH2—Si— structure on a substrate, heating the coating, and curing the coating by applying ultraviolet radiation.

Abstract: A resin composition for wire coatings that has excellent adhesion with the center conductor as well as having excellent manufacturing efficiency for the coating layer and sufficient strength is described and claimed. This radiation curable resin composition for wire coating comprises the following ingredients (A), (B) and (D): (A) a urethane(meth)acrylate having two or more structural parts derived from an aliphatic polyol (B) a compound having a cyclic structure and one ethylenically unsaturated group, (D) a compound given by the following Formula (4a), wherein, R8 is a monovalent organic group having an ethylenically unsaturated group, and R9 is a hydrogen atom or a monovalent organic group that may have an ethylenically unsaturated group.

Abstract: This invention is a radiation curable resin composition for wire coatings that have excellent adhesion with the center conductor as well as having excellent manufacturing efficiency for the coating layer and sufficient strength. This radiation curable resin composition for wire coating comprising the following ingredients (A), (B) and (D): (A) a mixture of a urethane (meth)acrylate having a structure derived from an aliphatic polyol and a urethane (meth)acrylate not having a structure derived from a polyol, (B) a compound having a cyclic structure and one ethylenically unsaturated group, (D) a compound given by the following formula (4a) wherein, R8 is a monovalent organic group having an ethylenically unsaturated group, and R9 is a hydrogen atom or a monovalent organic group that may have an ethylenically unsaturated group.

Abstract: A kit for preparing a water-sealing agent, a water-sealing material for an electrical wire, a water-sealed electrical wire, and a water-sealing method, which are used for insulated wires and the like. A kit for preparing water-sealing material for electrical wire comprising compositions (I) and (II), wherein the water-sealing material for electrical wire is prepared by mixing them in an arbitrary ratio. (I): a liquid composition containing one or more components selected from the following components (A) to (C), and (D), without containing (E). (II): a liquid composition containing one or more components selected from the following components (A) to (C), and (E), without containing (D).

Abstract: An insulating-film-forming composition includes: a hydrolysis-condensation product obtained by hydrolyzing and condensing a hydrolyzable-group-containing silane monomer (A) in the presence of a polycarbosilane (B) and a basic catalyst (C); and an organic solvent.

Abstract: A photocurable resin composition for three-dimensional photofabrication operations, including stereolithography, comprising (A) a cationically polymerizable compound having two or more bisphenol structures and one or more hydroxyl groups, (B) a cationically polymerizable compound other than the component (A), (C) a cationic photoinitiator, (D) a radically polymerizable compound, (E) a radical photoinitiator, and (F) multilayer polymer particles having a core and a shell layer, the shell layer containing functional group-modified rubber polymer particles having at least one reactive functional group.

Abstract: A process for producing a polymer includes mixing (A) a polysiloxane compound and (B) a polycarbosilane compound in the presence of a catalyst, water, and an organic solvent, and heating the mixture.

Abstract: An insulating-film-forming composition including an organic solvent and a hydrolysis-condensation product which is obtained by hydrolysis and condensation of a component (A) in the presence of a component (B).

Abstract: The present invention is a radiation curable resin composition comprising: (A) a urethane (meth) aerylate which is a reaction product of a polyol, a polyisocyanate, and a hydroxyl group-containing (meth) aerylate; (B) a compound having a cyclic structure and one ethylenically unsaturated group; (C) from about 0 to about 5 mass % of a compound having two or more ethylenically unsaturated group; and (D) a polyol having a number average molecular weight of about 1500 or more. In another embodiment of the invention component (A) must include a polyester polyol and the polyol of component (D) must have a number average molecular weight of from about 500 to about 1500. The composition is useful for coating electric wire.

Abstract: A laminate including: a first silica-based film; a second silica-based film; and an organic film, wherein the second silica-based film includes an organic group containing a carbon-carbon double bond or a carbon-carbon triple bond. A method of forming the laminate includes: forming a first coating for a first silica-based film on a substrate; forming a second coating for a second silica-based film on the first coating, the second coating including an organic group containing a carbon-carbon double bond or a carbon-carbon triple bond; forming a third coating for an organic film on the second coating; and curing a multilayer film including the first to third coatings.

Abstract: A method of producing a polymer includes hydrolyzing and condensing a hydrolyzable-group-containing silane monomer (B) in the presence of one or more polycarbosilanes (A), at least one of the polycarbosilanes (A) being a polycarbosilane (I) having a weight average molecular weight of 500 or more and obtained by reacting a compound of the following general formula (1) in the presence of at least one of an alkali metal and an alkaline earth metal, R1mY3-mSiCR2nX3-n??(1) wherein R1 and R2 individually represent a monovalent organic group or a hydrogen atom, X represents a halogen atom, Y represents a halogen atom or an alkoxy group, and m and n individually represent integers from 0 to 2.

Abstract: A method of forming an organic silica film includes forming a coating including a silicon compound having an —Si—O—Si— structure and an —Si—CH2—Si— structure on a substrate, heating the coating, and curing the coating by applying ultraviolet radiation.

Abstract: A polycarbosilane, having a main chain in which silicon atoms and carbon atoms are alternately repeated, includes a repeating unit shown by a following general formula (1), a repeating unit shown by a following general formula (2), and a repeating unit shown by a following general formula (3).