An object of the present invention is to provide a urethane adhesive composition having excellent initial adhesiveness and excellent adhesion durability. The present invention is a urethane adhesive composition containing a urethane prepolymer (A) having an isocyanate group, an isocyanate compound (B) having an isocyanurate structure and an isocyanate group, and an adduct of a compound represented by Formula (X) below (in Formula (X), R.sup.11 and R.sup.12 each independently represent a hydrocarbon group) and a phenol compound.

##STR00001##

A process and composition is described for the inclusion of polyether polyols in concentrations greater than 10% loading on the B-side formulation with a catalyst package less than 1% loading on the B-side formulation. In one specific example, the use of glycerin as a fluorine ion scavenger is utilized to improve performance of the polyurethane systems through a twelve-month shelf life.

Methods of using a curable composition, the curable composition including at least one polyether having blocked hydroxyl groups as the plasticizer on at least one alkaline substrate. The curable composition is storage-stable, easy to handle and highly elastic after curing, and does not show any tendency to separate or migrate. It enables elastic bonding, sealing or coating of alkaline substrates, such as, in particular, fresh or green concrete or cement mortar, without occurrence of troublesome odors triggered by plasticizer hydrolysis.

The present disclosure relates to an adhesive composition comprising a urethane polymer; an acryl-based polymer; and a curing agent, wherein the acryl-based polymer comprises a (meth)acrylate monomer comprising silicone; and a (meth)acrylate monomer comprising a hydroxyl group as a monomer unit, a surface protective film, and a method for manufacturing an organic light emitting electronic device.

A synthetic leather article comprising a top coating derived from an internally emulsified PUD, a barrier layer derived from an externally emulsified PUD and a 2K non-solvent PU foam layer is provided. The leather article exhibits high delamination resistance while retaining superior mechanical properties and appearance comparable with those derived from the organic solvent-based PU. A method for preparing the synthetic leather article is also provided.

The present disclosure relates to a surface protective film and a method for manufacturing an organic light emitting electronic device.

A hydrophilic polyurethane comprising polymerized units of: (a) a water-soluble polyol having hydroxyl functionality from two to four and a weight-average molecular weight from 800 to 16,000; and (b) an aliphatic polyisocyanate having isocyanate functionality from two to six; wherein polymerized ethylene oxide units comprise at least 85 wt % of said hydrophilic polyurethane; and wherein a product of weight fraction of polymerized ethylene oxide units and polyethylene oxide mean molecular weight is from 4,200 to 16,000.

A basecoat coating composition includes an aromatic polyurethane pre-polymer having isocyanate terminal end groups, a first solvent and optionally a second VOC-exempt solvent, in which the total composition formulation has a VOC content of less than 97 g/L. A topcoat coating composition includes an aliphatic polyurethane pre-polymer having isocyanate terminal end groups, a first solvent and optionally a second VOC-exempt solvent, in which the total composition formulation has a VOC content of less than or equal to 95 g/L. The total composition formulations of the basecoat and/or topcoat may have a VOC content of less than 50 g/L. A membrane system may include an optional primer coating, and the above described basecoat and topcoat coating compositions.

Disclosed herein are thermal interface materials based on two-part polyurethane resins comprising a polyurethane resin and a thermally conductive filler dispersed throughout the polyurethane resin, wherein the polyurethane resin is formed from two parts comprising: a first part comprising a triol, and a second part comprising an isocyanate-functionalized component, wherein at least one of the first part and the second part comprises a thermally conductive filler material.

To provide a polyurethane prepolymer whereby a pressure-sensitive adhesive having excellent moisture permeability and also having both low adhesion to skin and high adhesion to a substrate can be obtained, a pressure-sensitive adhesive, an adhesive skin patch, a pressure-sensitive adhesive tape, a wearable device and a wearable device kit.

A hydroxy group-terminated polyurethane prepolymer which is obtained by reacting an oxyalkylene polymer A having an average number of hydroxy groups per molecule of from 2.1 to 3, an oxyalkylene polymer B having one hydroxy group per molecule, and a diisocyanate compound, wherein the number average molecular weight of the oxyalkylene polymer B is at least 5,000, and the content of ethylene oxide units in the hydroxy group-terminated polyurethane prepolymer is more than 10 mass %, a pressure-sensitive adhesive, an adhesive skin patch, a pressure-sensitive adhesive tape, a wearable device and a wearable device kit.