Expandable polystyrene-based resin particles may include a styrene-based monomer, a polysiloxane-containing macro monomer, and a coating composition having a melting point of 40 C. or greater. A coefficient of static friction of a foamed molded product, obtained by pre-expanding the expandable polystyrene-based resin particles and molding the pre-expanded expandable polystyrene-based resin particles, may be 4.0 or less. The expandable polystyrene-based resin particles may have a surface layer part that contains polysiloxane as a main component.

A photochromic polyrotaxane compound which comprises an axial molecule and a plurality of cyclic molecules clathrating the axial molecule, wherein at least one side chain containing a photochromic moiety is bonded to at least one of the cyclic molecules, and a curable composition comprising the photochromic polyrotaxane compound and a polymerizable compound.

The present invention relates to an adhesive composition and an organic electronic device comprising the same, and provides an adhesive composition which can form a encapsulating structure capable of effectively blocking moisture or oxygen introduced from the outside into the organic electronic device, thereby securing the lifetime of the organic electronic device, and can improve processability by being easily applied in the process of forming the encapsulating structure of the organic electronic device, thereby preventing problems that air bubbles flow into the inside of the encapsulating structure or application nozzles are clogged, and an organic electronic device comprising the same.

The transfer film includes a temporary support and a photosensitive transparent resin layer formed on the temporary support, in which the photosensitive transparent resin layer includes a binder polymer, a photopolymerizable compound having an ethylenic unsaturated group, a photopolymerization initiator, and a blocked isocyanate, the binder polymer is a carboxyl group-containing acrylic resin having an acid value of 60 mgKOH/g or more, and the transfer film is to protect electrodes in electrostatic capacitance-type input devices.

The transfer film includes a temporary support and a photosensitive transparent resin layer formed on the temporary support, in which the photosensitive transparent resin layer includes a binder polymer, a photopolymerizable compound having an ethylenic unsaturated group, a photopolymerization initiator, and a blocked isocyanate, the binder polymer is a carboxyl group-containing acrylic resin having an acid value of 60 mgKOH/g or more, and the transfer film is to protect electrodes in electrostatic capacitance-type input devices.

Provided is a resin composition for VaRTM (vacuum assisted resin transfer molding), which includes a radically curable resin (A), an unsaturated monomer (B) having a boiling point of 200 C. or higher under atmospheric pressure, and a polymerization initiator (C). This resin composition for VaRTM is advantageous not only in that the productivity for a molded article is excellent, but also in that a molded article having excellent appearance and various physical properties, such as a flexural strength and a flexural modulus, can be obtained, and therefore can be advantageously used in a molding material and a molded article.

Highly active, recoverable and recyclable transition metal-based metathesis catalysts and their organometallic complexes including dendrimeric complexes are disclosed, including a Ru complex bearing a 1,3-dimesityl-4,5-dihydroimidazol-2-ylidene and styrenyl ether ligand. The heterocyclic ligand significantly enhances the catalytic activity, and the styrenyl ether allows for the easy recovery of the Ru complex. Derivatized catalysts capable of being immobilized on substrate surfaces are also disclosed. The present catalysts can be used to catalyze ring-closing metathesis (RCM), ring-opening (ROM) and cross metatheses (CM) reactions, and promote the efficient formation of various trisubstituted olefins at ambient temperature in high yield.

Highly active, recoverable and recyclable transition metal-based metathesis catalysts and their organometallic complexes including dendrimeric complexes are disclosed, including a Ru complex bearing a 1,3-dimesityl-4,5-dihydroimidazol-2-ylidene and styrenyl ether ligand. The heterocyclic ligand significantly enhances the catalytic activity, and the styrenyl ether allows for the easy recovery of the Ru complex. Derivatized catalysts capable of being immobilized on substrate surfaces are also disclosed. The present catalysts can be used to catalyze ring-closing metathesis (RCM), ring-opening (ROM) and cross metatheses (CM) reactions, and promote the efficient formation of various trisubstituted olefins at ambient temperature in high yield.

Embolic compositions comprising macromers having a backbone comprising a polymeric backbone comprising units with a 1,2-diol or 1,3-diol structure, such as polyvinyl alcohol, and pendant chains bearing crosslinkable groups and, optionally, other modifiers. When crosslinked, the macromers form hydrogels having many properties advantageous for use as embolic agents to block and fill lumens and spaces. The embolic compositions can be used as liquid embolic agents and crosslinked in situ or as preformed embolic articles, such as microspheres.

A three-dimensional-forming photo-curable composition includes a (meth)acrylic compound having a (meth)acryloyl group; a photo-radical generator; and a polyrotaxane having a plurality of cyclic molecules having at least one of a (meth)acryloyl group and a hydroxyl group.