The present invention provides a bio-electrode composition including: a resin containing a urethane bond in a main chain and a siloxane bond in a side chain; and an electro-conductive material, wherein the electro-conductive material is a polymer compound having one or more repeating units selected from fluorosulfonic acid salts shown by the following formulae (1)-1 and (1)-2, sulfonimide salts shown by the following formula (1)-3, and sulfonamide salts shown by the following formula (1)-4. This can form a living body contact layer for a bio-electrode that is excellent in electric conductivity and biocompatibility, light in weight, manufacturable at low cost, and free from large lowering of the electric conductivity even when it is wetted with water or dried. The present invention also provides a bio-electrode in which the living body contact layer is formed from the bio-electrode composition, and a method for manufacturing the bio-electrode. ##STR00001##

A photopolymerizable composition including: a polymer matrix or a precursor thereof containing a reaction product of an acrylate-based polyol and a compound containing at least one isocyanate group; a photoreactive monomer; and a non-reactive fluoro compound and a photoinitiator; a hologram recording medium produced from the composition; an optical element including the hologram recording medium; and a method of recording a hologram using the photopolymerizable composition.

A process of: providing a polyfunctional compound selected from polyisocyanate, polyacrylate, and polyepoxy; and reacting the polyfunctional compound with a hydroxyl- or amine-terminated silyl-containing compound. The polyfunctional compound and the silyl-containing compound are at least difunctional. A thermoset made by this process.

The present invention provides a system comprising an allophanate composition comprising a neutralized polyol, a polyuretdione resin, a tertiary amine catalyst, an additive package, and a reducer; and a neutralized basecoat comprising an inorganic salt and a pigment. The present invention further provides a method of making an allophanate system comprising combining a neutralized polyol with a polyuretdione resin in the presence of a tertiary amine catalyst, an additive package, and a reducer to produce an allophanate composition, and contacting the allophanate composition with a neutralized basecoat comprising an inorganic salt and a pigment. The system may be used to make coatings, adhesives, castings, composites, and sealants in which clear-coating on neutralized pigmented basecoats is much improved in comparison to coating on non-neutralized basecoats.

A composition includes a capsules having an improved solvent and heat resistance. The capsules are prepared via interfacial polymerization between a polyisocyanate including at least one substituted or unsubstituted arylene or heterearyl group and a compound including an active hydrogen. The capsules include a leuco dye and may be used in laser markable compositions.

The present invention relates to a new process for preparing polyisocyanates containing isocyanurate groups and being flocculation-stable in solvents from (cyclo)aliphatic diisocyanates.

The present invention provides an optically clear adhesive sheet preventing whitening and delay bubbles during storage in a high-humidity environment using a heat-cured polyurethane that has excellent flexibility and is capable of giving a thick film. The optically clear adhesive sheet of the present invention contains a heat-cured polyurethane, the heat-cured polyurethane being a cured product of a thermosetting polyurethane composition containing a polyol component and a polyisocyanate component, the polyisocyanate component containing both a polyisocyanate having a hydrophilic unit and a polyisocyanate having no hydrophilic unit, the optically clear adhesive sheet showing a moisture absorption coefficient of 3600 ppm or lower after being subjected to a test in which the sheet is left in a high-temperature, high-humidity environment with a temperature of 85 C. and a humidity of 85% for three hours.

A polyether having a functional group that is reactive to isocyanate with at least one polyisocyanate, which has an average isocyanate functionality in the range of 2.4 to 3.5, and at least one vinyl compound, which has a functional group that is reactive to isocyanate, wherein the molar ratio of polyether to vinyl compound lies in the range of 3:1 to 1:3 and the ratio of the sum of the molar quantities of polyether and vinyl compounds to isocyanate groups lies in the range of 1.5:1 to U.5. Corresponding vinylterminated prepolymers have the advantage of low visocity together with good water solubility and therefore can be used advantageously for applications as injection agents.

The present disclosure relates to two-component coating material compositions including a paint base component A and a curing component B. The paint base component A includes one or more polyols A1 selected from the group of polyols containing ester groups and which possess a hydroxyl number of 300 to 500 mg KOH/g and have a hydroxyl group functionality of greater than 2. The curing component B includes one or more polyisocyanates B1 having on average 2.4 to 5 NCO groups. The two-component coating material composition possesses a solids content of at least 96 wt %, and the molar ratio of the NCO groups in the curing component B to the acidic hydrogen atoms in the paint base component A is from 1:1.15 to 1:0.95. The disclosure further relates to a method for coating fiber-reinforced plastics and to a method for producing coated fiber-reinforced plastics, and to coating fiber-reinforced plastics.

A photocatalyst according to the present invention has a structure in which the titanium dioxide doped with the transition metals is supported on the support such that a band gap thereof is low and a specific surface area thereof is high, thereby exhibiting an excellent photocatalytic activity even in a visible light region and providing an excellent effect of adsorbing an organic compound and removing the same even under a condition in which light is not emitted.