The present invention provides a synthetic leather including at least a base (i), an adhesive layer (ii), and a skin layer (iii). The adhesive layer (ii) and the skin layer (iii) are both formed of a urethane resin composition including a urethane resin and water, the urethane resin being produced using an aromatic polyisocyanate as a raw material. The urethane resin composition forming the adhesive layer (ii) preferably includes a urethane resin (A) and water (B), the urethane resin (A) being produced using an aromatic polyisocyanate (a1) as a raw material. The aromatic polyisocyanate (a1) preferably includes toluene diisocyanate. It is preferable that the urethane resin (A) include an anionic group and the concentration of the anionic group in the urethane resin (A) be 0.35 mmol/g or less.

A curable composition including: a component (a): a polycarbonate polyol having a hydroxyl value of 40 to 75 mgKOH/g; a component (b): a polycarbonate polyol having a hydroxyl value of 100 to 280 mgKOH/g; and a component (c): a polyisocyanate having an average number of functional groups per molecule, of 2 to 6.

The present invention provides a method for producing synthetic leather using a silicone rubber coating liquid; and synthetic leather produced by the method.

In the present invention, there is provided an urethane resin composition containing an urethane resin (A), water (B), and a surfactant (C) having no aromatic ring, and having a hydrophobic portion having 10 or more carbon atoms, wherein the urethane resin composition has a carbonate structure (X) and an oxyalkylene structure (Y) derived from the urethane resin (A). Further, the present invention provides a foamed urethane sheet which is formed from the urethane resin composition, wherein the foamed urethane sheet has a density of 200 to 1,000 kg/m.sup.3. The urethane resin composition according to claim 1, wherein the mass ratio of the carbonate structure (X) to the oxyalkylene structure (Y) [X/Y] is in the range of from 10/90 to 90/10.

The present invention provides a synthetic leather including at least a base (i), an adhesive layer (ii), and a skin layer (iii). The adhesive layer (ii) and the skin layer (iii) are both formed of a urethane resin composition including a urethane resin and water, the urethane resin being produced using an aromatic polyisocyanate as a raw material. The urethane resin composition forming the adhesive layer (ii) preferably includes a urethane resin (A) and water (B), the urethane resin (A) being produced using an aromatic polyisocyanate (a1) as a raw material. The aromatic polyisocyanate (a1) preferably includes toluene diisocyanate. It is preferable that the urethane resin (A) include an anionic group and the concentration of the anionic group in the urethane resin (A) be 0.35 mmol/g or less.

Conductive, lightweight, corrosion-resistant fiber mats are described herein. More particularly a metalized fiber mat of non-woven fibers has a conductive metal coating of a uniform thickness and a corrosion-resistant metal coating of a uniform thickness. Methods of producing such fiber mats are also provided.

An electrically conductive filler comprises particles having a base substrate and a conductive coating. In some embodiments, the base substrate is a metal, plastic, glass, natural or synthetic graphite, carbon, ceramics, fiber or fabric. In some embodiments, the coating provides improved electrical conductivity, and the coated particle has lower electrical resistance than the uncoated base particle. Other embodiments and methods of making and using the electrically conductive filler are also disclosed.

The present invention provides a method for producing synthetic leather using a silicone rubber coating liquid; and synthetic leather produced by the method.

The present invention provides a synthetic leather including at least a substrate (i), an adhesive layer (ii), and a skin layer (iii), in which the adhesive layer (ii) and the skin layer (iii) are formed from respective specific urethane resin compositions. The adhesive layer (ii) is formed from a urethane resin composition including an anionic urethane resin (X) and water (Y). The skin layer (iii) is formed from a urethane resin composition including an anionic urethane resin (S) and water (T), in which the anionic urethane resin (S) is produced using, for example, a polycarbonate polyol (A-1) produced using biomass-derived decanediol.

The present invention provides an aqueous urethane resin composition including: a urethane resin (A) that is a reaction product of essential ingredients including a polyol (a1), a reactive silicone (a2) having a number average molecular weight of 4,000 or more and having a functional group reactive with an isocyanate group, and a polyisocyanate (a3); and an aqueous medium (B). The present invention also provides a synthetic leather including a skin layer formed from the aqueous urethane resin composition and/or a surface-treated layer formed from the aqueous urethane resin composition. An object of the present invention is to provide an aqueous urethane resin composition excellent in wear resistance and hydrolysis resistance. The aqueous urethane resin composition of the present invention can be suitably used for a skin layer of a synthetic leather and its surface-treated layer.