Abstract: The present invention provides an ink composition containing: a radical polymerizable compound; a photopolymerization initiator, and a chain transfer agent; and the radical polymerizable compound includes a monofunctional monomer at a ratio of 85% by weight or more in the total weight of the radical polymerizable compound.

Abstract: The present invention provides a fluorine-based compound and a coating composition and a film including the same. By using the fluorine-based compound according to the present invention, a film having excellent functionalities of water repellency, oil repellency, weatherability and contamination resistance can be provided.

Abstract: A novel monomer, 1,1,1-tri-[4-(methacryloxyethylaminocarbonyloxy)-phenyl]ethane (MPE) can be used in preparing dental compositions The MPE monomer can be combined into a dental adhesive with hydroxyethyl methacrylate (HEMA) and BisGMA (bisphenol A dimethacrylate). The MPE polymer can be polymerized with a photoinitiator system, such as a system that includes an iodonium salt. The iodonium salt can be diphenyliodonium hexafluorophosphate.

Abstract: To provide a polymerizable fluorine-containing compound useful for producing a treated substrate having a hydrophilic region and a water repellent region, of which the contrast is high on its surface, without requiring a special apparatus, high energy light, or irradiation with light for a long time. A polymerizable fluorine-containing compound, which is a derivative of a polyhydric alcohol and comprises at least one following structure (A) and at least one following structure (B) in its molecule: structure (A): a structure wherein a compound having a fluoroalkyl group and a carboxyl group is bonded to one hydroxyl group of a polyhydric alcohol by an ester linkage, structure (B): a structure wherein a compound having an ethylenic double bond and a carboxyl group is bonded to one hydroxyl group of a polyhydric alcohol by an ester linkage or a structure wherein a compound having an ethylenic double bond and an isocyanate group is bonded to one hydroxyl group of a polyhydric alcohol by a urethane bond.

Abstract: The main goal of the present invention is the development of a polymerizable material for isolation and protection of the gums and generally the soft tissues of the oral cavity. For better protection during various procedures of the dental surfaces. The composition of the material can contain many other substances that strengthen its qualities and protective action. Such substances can be various substances that have antioxidative, sedative, anti-inflammatory, analgesic, anti-irritant action etc.

Abstract: The invention relates to radiation-curable formulations which contain adhesion promoters containing phosphoric acid and which in the cured state afford a particular degree of corrosion control for metallic substrates, and to a process for preparing them.

Abstract: To provide a photocurable material which can form a cured product having a high transparency and a high refractive index, a process for producing the material easily, and an article having a high transparency and a high refractive index.

Abstract: Nanosize titanium dioxide having supported thereon metallic platinum are efficient hydrosilylation catalysts whose hydrosilylation activity may be increased by irradiation. The catalysts are prepared by depositing soluble platinum compounds on a titanium dioxide sol or titanium dioxide pigments followed by drying, calcining, and reduction to platinum metal. The catalysts are particularly useful in preparing addition-curable organopolysiloxane elastomers.

Abstract: A photocurable pressure-sensitive adhesive (PSA) composition includes an acrylic PSA binder, the acrylic PSA binder including at least one fluoro group in an amount of about 6 mol % to about 30 mol % based on a total amount of the acrylic PSA binder, a thermal curing agent, and a photoinitiator.

Abstract: The use of hindered phenol containing anti-oxidants enable arylcyclobutene-based formulations to be cured in oxygen containing environments such as air without unacceptable degradation in key properties of dielectric constant, water uptake, or transmittance.

Abstract: The present invention discloses an acrylate nanocomposite material which can apply to optoelectronic device encapsulation, dental restorations and light waveguide. The acrylate nanocomposite material comprises an inorganic nano-particle, an acrylate monomer with at least one acrylate group, an imidized acrylate oligomer and a photo-initiator. The acrylate nanocomposite material photopolymerizes to form an organic/inorganic 3D network wherein the absorption (%) is 0.01 to 5.00 and the permeability (g mm/m2 day) is 0.01 to 10.00 thereof. In addition, the transmittance of the nanocomposite is over 90%.

Abstract: The present invention relates to a method for radiation grafting a compound by irradiation, that can be grafted onto a fluoropolymer, so as to prevent destabilization of the fluorinated polymer. Said method comprises the following steps: a) the fluoropolymer is mixed in the melted state thereof with a graftable compound; b) the mixture obtained in a) is converted into films, plates, granulates or powder; c) the products from step b) are subjected to photonic (?) or electronic (?) irradiation in a dose of between 0.5 and 15 Mrad; and d) optionally, the products from step c) are washed and/or a degassed. According to said method, a stabilizing agent is added to the fluorinated polymer. Said stabilizing agent can be an antioxidant, a graftable metal salt, or a combination of the two. The invention also relates to structures comprising at least one layer of said mixtures and at least one layer of another material, and to the use of said structures to obtain a barrier effect.

Abstract: An object of the present invention is to provide an energy ray-curable ink composition which is excellent in curability and adhesion, and is also excellent in storage stability. The present invention relates to an energy ray-curable ink composition comprising a coloring material; a polyfunctional monomer having three or more ethylenical double bonds in one molecule as a polymerizable compound; an ?-aminoalkylphenone-based compound and a thioxanthone-based compound as photopolymerization initiators; and a hindered amine-based compound having a 2,2,6,6-tetramethylpiperidinyl group as an antigelling agent.

Abstract: A radiation-curable coating composition is provided. The composition comprises a) an amino-functional polyaspartate; b) a (cyclo) aliphatic polyisocyanate; c) an acrylate-functional compound; and d) a photoinitiator. Substrates coated with the coating compositions are also provided.

Abstract: A process is disclosed for producing a polyester in powder form, which process comprises: (a) rendering a polyester comminutable by (i) chemical pre-treatment of the polyester, or (ii) irradiating the polyester; and (b) comminuting the polyester produced in step (a) to form a powder.

Abstract: A multilayer body 20 formed by applying a layer between sheet-like bases 2 and 3 using an application portion 5 is conveyed at a predetermined speed by a conveying roll 11, and a polymerization reaction is induced in the layer of photoreactive product 8 by irradiating the multilayer body 20 that has been conveyed in an irradiation chamber 10 with ultraviolet rays emitted from ultraviolet ray emitting LEDs 25, and furthermore, low temperature air is blown out from cooling apparatuses 17, and thus, the multilayer body 20, which becomes of a high temperature state as a result of the polymerization reaction of the layer of photoreactive product 8, is cooled in the configuration.

Abstract: An oxime ester compound represented by the following general formula (I): (the symbols of which are defined in the specification) is used as the photopolymerization initiator in a photosensitive resin composition.

Abstract: This invention describes an adhesive used for bonding dental and medical biomaterials to hard tissues via a molecular bridge formed from calcium-reactive amines and acrylic or methacrylic ester monomers to hard tissues such as enamel, dentin, and bone. This formulation consists of an acid-stable polymerizable compound with multi-functional acrylate cross-linkers. This formula provides good self-adherence without prior preparation of the hard tissue substrates. The formulation can contain chemical- and/or light-activated free-radical initiators.

Abstract: Coating composition comprising a liquid first phase comprising one or more polymer binder components having functional groups capable of cross-linking by electron pair exchange, and a second phase which is a powder material, such as sand, comprising one or more compounds capable of activating crosslinking of the binder components in the liquid phase after the second phase is exposed to the first phase. The activating compound in the second phase may include a Lewis acid or Lewis base. Alternatively, the liquid phase comprises a compound which is reactive with the activating compound in the powder phase to form a Lewis base or Lewis acid. Method of applying a coating composition curable by cross-linking chemistry based on electron pair exchange, wherein after application of a layer of the coating composition on a substrate, a powder material comprising one or more cross-linking activating compounds is sprinkled over the wet layer.

Abstract: The present invention relates to UV-curable polyurethane dispersions, to a process for preparing them, and to their use.