Abstract: Means of solution: Optical protrusions 23 of nano-size for restricting reflection of light and protection columns 24 for preventing crushing of the optical protrusions 23 are provided on a surface of a film substrate 22. The protection columns 24 have a frustum shape. When a ratio of a projection area in which all of lateral surfaces of a single protection column 24 are projected on a surface of the film substrate 22 from a direction that is perpendicular to the surface of the film substrate 22 to a divided area on the surface of the film substrate 22 with respect to the single protection column 24 is defined to be a lateral surface projection occupying area rate, the lateral surface projection occupying area rate of the antireflection film is not more than 0.25% and not less than 0.01%.

Abstract: A preparation process for a cyclic conjugated polymer, includes the steps of deprotonating a monohalogenated cyclic conjugated compound of a 5- to 7-membered ring using a deprotonation catalyst comprising secondary amine represented by R1NHR2 (R1 and R2 are the same or different and are each a branched or cyclic alkyl group of 1 to 15 carbon atoms or a phenyl group) and a Grignard reagent represented by R3MgX (X is a halogen atom selected from chlorine, bromine and iodine, and R3 is a straight-chain or branched alkyl group of 1 to 6 carbon atoms) and polymerizing the deprotonated monohalogenated cyclic conjugated compound.

Abstract: A bonding method of a resin mold is disclosed comprising a step of butting the end parts of resin molds that is provided with a formed reversal pattern of a fine concave convex pattern that is desired to each other for bonding the resin molds, wherein a detachable resin is filled in a gap of the butted part between the end parts of the resin mold and the end parts of the resin molds are bonded to each other in an integrated manner by the hardening of the detachable resin. Also included is a roll-to-roll continuous mold composition produced thereby.

Abstract: A pressure-sensitive adhesive sheet used for integrally immobilizing an imprint mold to a pressure application unit in an imprint apparatus for transferring a profile of a fine pattern formed on the imprint mold to a transfer-receiving body by pressing the imprint mold having the fine pattern thereon against the transfer-receiving body, having a substrate, a pressure-sensitive adhesive layer (A) provided on one surface of the substrate and a pressure-sensitive adhesive layer (B) provided on the other surface of the substrate. The adhesive strength of the pressure-sensitive adhesive layer (B) at 23° C. is higher than the adhesive strength of the pressure-sensitive adhesive layer (A) at 23° C., the pressure-sensitive adhesive layer (A) has an adhesive strength of 1 to 10 N/25 mm at 23° C. and an adhesive strength of 1 to 30 N/25 mm after allowed to stand for 7 hours at 80° C. and a humidity of 65%, and the pressure-sensitive adhesive layer (B) has an adhesive strength of 3 to 30 N/25 mm at 23° C.

Abstract: The present invention provides a resin composition for producing an optical component in which resin composition respective of a (meth)acrylic equivalent and a content of a repeating unit represented by the general formula (1) are adjusted to given ranges, an optical component which is made of the resin composition, and an image display device. The resin composition of the present invention for producing an optical component is arranged such that the resin composition contains at least one kind of compound whose molecule contains the repeating unit represented by the general formula (1) and at least one (meth)acryloyl group and the (meth)acrylic equivalent and the content of the repeating unit meet the given ranges.

Abstract: A preparation process for a cyclic conjugated polymer, includes the steps of deprotonating a monohalogenated cyclic conjugated compound of a 5- to 7-membered ring using a deprotonation catalyst comprising secondary amine represented by R1NHR2 (R1 and R2 are the same or different and are each a branched or cyclic alkyl group of 1 to 15 carbon atoms or a phenyl group) and a Grignard reagent represented by R3MgX (X is a halogen atom selected from chlorine, bromine and iodine, and R3 is a straight-chain or branched alkyl group of 1 to 6 carbon atoms) and polymerizing the deprotonated monohalogenated cyclic conjugated compound.

Abstract: A nanoimprint mold for a curved surface is provided and includes a silicone rubber elastic body having an Hs rubber hardness, in the case of a thickness of 250 ?m, of 10 to 55 and includes fine depressions and protrusions formed on the surface. According to the nanoimprint mold for a curved surface, a nanoimprint can be formed even on a curved surface.

Abstract: An anti-reflection sheet includes a transparent substrate; and a resin layer formed on a surface of a transparent substrate. The resin layer includes a first surface that faces the surface of the transparent substrate; a second surface that faces away from the surface of the transparent substrate; and a plurality of projections arranged on the second surface of the resin layer so as to form a projection layer. Each of the plurality of projections has a cross section that includes an entire center axis perpendicular to the surface of the transparent substrate. Each of the plurality of projections has a cross section that is in a shape of quadratic function. An arranged pitch of each of the plurality of projections is not more than half of a wavelength of incident light. An aspect ratio of each of the plurality of projections is 1 or less. A difference between a refractive index n1 of the transparent substrate and a refractive index n2 of the resin layer satisfies the following expression: |n1?n2|?0.05.

Abstract: Provided is a resin mold which is free from separation from another resin mold at the joined portions and does not impair appearance or function. Thus provided is a resin mold which is preferable for forming a large-area mold, a production process therefor, and uses thereof. The resin mold has a mold constituent to constitute one half of the resin mold having a fine depression-protrusion pattern formed on the surface by transferring, a mold constituent to constitute the other half thereof, and a connecting section between the mold constituent to constitute one half of the resin mold and the mold constituent to constitute the other half thereof, wherein the connecting section comprises an inclined plane, a production process for this resin mold, and uses of the resin mold.

Abstract: A pressure-sensitive adhesive composition for an optical member is obtained by blending 100 parts by weight of an acrylic polymer, which contains 80 to 98.7 parts by weight of (a) a monomer constituted of an alkyl acrylate monomer having an alkyl group of 1 to 12 carbon atoms and/or an aromatic ring-containing acrylic monomer, 0.2 to 1.5 parts by weight of (b) an amide group-containing acrylic monomer and 1 to 5 parts by weight of (c) a hydroxyl group-containing acrylic monomer, with 0.12 to 1 part by weight of (d) an isocyanate-based curing agent having an isocyanurate skeleton as a curing agent, and is characterized by substantially containing no metal chelate-based curing agent. Accordingly, a pressure-sensitive adhesive composition, which has excellent heat resistance and wet heat resistance and whose aging time can be particularly shortened, is provided.

Abstract: A resin mold includes a resin layer having a depressions and protrusions pattern formed in the surface thereof, and a release layer including a mold release agent and formed of uniform thickness on at least the depressions and protrusions pattern of the aforementioned resin layer. The aforementioned resin layer has a solvent soluble resin, and an additive that has bleeding ability with respect to the solvent soluble resin, has a substituent group capable of coupling with the aforementioned mold release agent, and has a substituent group having compatibility with the aforementioned solvent soluble resin. The aforementioned additive is localized in the vicinity of the aforementioned resin layer surface. The group of the additive capable of coupling with the mold release agent condenses with the aforementioned mold release agent so that the aforementioned resin layer and release layer are bonded together.

Abstract: Disclosed is a resin mold for nanoimprinting, which has a resin layer having fine depressions and protrusions formed on the surface and is characterized in that the resin layer is formed from 1 to 49 parts by weight of a silicone-based macromonomer and/or a fluorine-based macromonomer and 99 to 51 parts by weight of at least one polymerizable monomer selected from the group consisting of a (meth)acrylic monomer, a styrene-based monomer, an epoxy-based monomer, an olefin-based monomer and a polycarbonate-based resin-forming monomer, the silicone-based macromonomer and/or the fluorine-based macromonomer has a molecular weight of 600 to 10000 and has, at an end of molecule, a reactive group copolymerizable with the polymerizable monomer, and when the reactive group is copolymerized with the polymerizable group, silicone-based units or fluorine-based units that constitute the macromonomer form side chains on a trunk polymer formed from the polymerizable monomer and the macromonomer.

Abstract: A resin mold for nanoimprinting of the has a substrate, a resin layer formed upon the substrate and having a depressions and protrusions pattern on a surface, an inorganic substance layer formed of uniform thickness on at least the surface having the depressions and protrusions pattern of the resin layer, and a mold release agent layer formed of uniform thickness on at least the surface having the depressions and protrusions pattern of the inorganic substance layer. The resin of the resin layer includes constituent units derived from an epoxy group-containing unsaturated compound at a concentration of 1 to 50 percent relative to total constituent units, and the epoxy value is 7.0×10?4 to 4.0×10?2.

Abstract: A pressure-sensitive adhesive composition for PDP front filters includes 100 parts by weight of a high molecular weight acrylic polymer A having a COOH or OH group, a weight average molecular weight (Mw) of 400,000 to less than 800,000, a molecular weight distribution (Mw/Mn) of not more than 5 and a glass transition temperature (Tg-A) of ?40 to ?10° C., and 5 to 20 parts by weight of a low molecular weight acrylic polymer B having a weight average molecular weight (Mw) of 10,000 to 50,000, a molecular weight distribution (Mw/Mn) of not more than 5 and a glass transition temperature (Tg-B) of 40 to 120° C.; and is crosslinked to a gel fraction of 50 to 90% and has a 90° peel strength of 5 to 15 N/25 mm. The pressure-sensitive adhesive composition does not cause bonding failures such as lifting even when exposed to thermal cycles.

Abstract: The laminate of an embodiment is a laminate including an antireflection film and a protection film bonded onto the antireflection film, wherein the surface of the antireflection film includes a plurality of protrusions; the protection film includes a supporting film and an adhesive layer; the adhesive layer includes an adhesive agent, a copolymer, and a carboxyl group-containing monomer; the weight average molecular weight of the copolymer is 1000000 or more and 2000000 or less; the copolymer includes the (meth)acrylic acid alkyl ester with the alkyl group having 4 or less carbon atoms in the largest weight proportion among the monomer components; the acid number of the copolymer is 16 mg KOH/g or more and 120 mg KOH/g or less; and the mixing amount of the epoxy cross-linking agent in relation to 100 parts by weight of the copolymer is 1.5 parts by weight or more.

Abstract: Provided is a novel polyazomethine which is soluble in relatively versatile organic solvents including hydrophobic solvents such as toluene, alcohol solvents such as methanol and ethanol, glycol solvents such as propylene glycol monomethyl ether, and ester solvents such as methyl lactate, while securing carrier mobility sufficient for a semiconductor material. The polyazomethine is a repeating unit that contains a divalent aromatic ring-containing conjugated group wherein an azomethine group and a divalent aromatic group which may have a substituent are alternately bonded and conjugated and a divalent hydrocarbon group which may have a group that is not conjugated with the azomethine group and has an oxygen atom, a sulfur atom or a cycloalkylene group, with the aromatic ring-containing conjugated group and the hydrocarbon group being bonded with each other via the azomethine group.

Abstract: A twist ball type electronic paper having a transparent electrode side base material having a first base material including a film having transparency, and a transparent electrode formed on one side surface of the first base material; a counter electrode side base material having a second base material including a film with an insulation property, and a counter electrode formed on one side surface of the second base material; and a twist ball layer comprising a twist ball and a low polarity solvent layer including a low polarity solvent, wherein the twist ball layer is sealed with the first base material and the second base material, and that the counter electrode side base material is disposed in such a way that the counter electrode is disposed on an opposite side with respect to the twist ball layer.

Abstract: Provided are resin particles having an inorganic dispersing agent adhering to their surfaces and having a volume mean particle diameter of 1 to 1000 ?m. The amount of the inorganic dispersing agent adhering to the resin particle surfaces is in the range of 0.0001 to 0.02 g/m2, said amount being determined by the following equation (I): Amount of inorganic dispersing agent adhering to resin particle surfaces=(amount of inorganic dispersing agent (part(s) by weight)/amount of polymerizable monomer (part(s) by weight))/resin particle specific surface area as measured by Mastersizer 2000 manufactured by Malvern Instruments Ltd. (I) (wherein the amount of the inorganic dispersing agent and the amount of the polymerizable monomer in the right-hand member of the equation (I) are each an amount introduced in the production of resin particles, and the amount of the polymerizable monomer is 100 parts by weight).

Abstract: Provided is a resin mold for imprinting which is free from transfer defects, has excellent releasability from a resin subjected to imprinting, and does not cause any defect by imprinting. The resin mold for imprinting includes a resin layer having a recessed and projected pattern surface, an inorganic material layer formed with a uniform thickness on at least the recessed and projected pattern surface of the resin layer, and a release agent layer formed with a uniform thickness on at least the recessed and projected pattern surface of the inorganic material layer.

Abstract: An adhesive composition for polarizing plates in which an acrylic polymer, a tin compound having a dialkyl group and serving as a cross-linking accelerator and an isocyanate cross-linker are dissolved in an organic solvent, the acrylic polymer being formed by copolymerization of monomers containing an alkyl (meth)acrylate, a hydroxyl group containing monomer and/or a carboxyl group containing monomer, wherein preferably, a solution containing 30% by weight of the acrylic polymer which constitutes the adhesive composition, dissolved in 70% by weight of ethyl acetate has a viscosity in the range of 0.5 to 10.0 Pa·s measured at 23° C., and the acrylic polymer has a weight-average molecular weight in the range of 300,000 to 700,000.