The present invention provides: a reaction injection molding liquid mixture comprising a norbornene-based monomer, a metathesis polymerization catalyst that includes tungsten as a center metal, an activator, and an ether compound represented by a formula (1), wherein R.sup.1 to R.sup.4 are independently an alkyl group having 1 to 6 carbon atoms, the reaction injection molding liquid mixture comprising the activator and the ether compound in a molar ratio (ether compound/activator) of 0.7/1 to 30/1; a method for producing a reaction injection molded product comprising a reaction injection molding step that includes subjecting the reaction injection molding liquid mixture according to any one of claims 1 to 4 to bulk polymerization inside a mold; a reaction injection molded product obtained using the method for producing a reaction injection molded product. Consequently, the present invention provides: a reaction injection molding liquid mixture that makes it possible to obtain a reaction injection molded product that has an excellent surface (surface state) and exhibits excellent strength while preventing a situation in which the resin remains on the surface of the mold when the resin is removed from the mold, a method for producing a reaction injection molded product using the same, and a reaction injection molded product obtained using the method.

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A method for facilitating demolding of a substrate from an imprint template, the method comprising: providing (S510) the template and the substrate in a sandwich arrangement with a structured surface of the template in contact with a target surface of the substrate; applying heat (S520) to soften a molding layer on the target surface, wherein said molding layer is a thermoplastic material having a minimum glass transition temperature, T.sub.g>50? C. and Young's modulus>1000 MPa, and wherein the molding layer is heated above T.sub.g; pressing (S530) the sandwich arrangement together to imprint a pattern of the structured surface into the heated molding layer; submerging (S550) the sandwich arrangement in a cooling liquid to harden the molding layer; and separating (S560) the template from the patterned substrate.

An electroconductive film including a substrate film, and an organic electroconductive layer disposed on the substrate film, wherein the substrate film is formed of a resin containing an alicyclic structure-containing polymer having crystallizability, a thickness of the substrate film is 5 m or more and 50 m or less, and a crystallization degree of the alicyclic structure-containing polymer having crystallizability is 30% or more. The alicyclic structure-containing polymer having crystallizability is preferably a hydrogenated product of a ring-opening polymer of dicyclopentadiene.

A method for producing a cut optical film comprising a step of irradiating an optical film with CO.sub.2 laser light to cut the optical film is provided. The optical film includes an olefin resin layer that contains a cyclic olefin polymer and an ester compound. The ratio of the ester compound in the olefin resin layer is 0.1% by weight to 10% by weight. An average light absorbance of the optical film in a wavelength range of 9 m to 11 m is 0.1% or more.

The present disclosure is directed to processes for producing ultrasonic sealable film structures and flexible containers with ultrasonic seals. The film structure includes a first multilayer film and a second multilayer film. Each multilayer film includes a backing layer and a seal layer. Each seal layer includes an ultrasonic sealable olefin-based polymer (USOP) having the following properties: (a) a heat of melting, Hm, less than 130 J/g, (b) a peak melting temperature, Tm, less than 125 C., (c) a storage modulus in shear (G) from 50 MPa to 500 MPa, and (d) a loss modulus in shear (G) greater than 10 MPa.

The multilayer films are arranged such that the seal layer of the first multilayer film is in contact with the seal layer of the second multilayer film. The seal layers form an ultrasonic seal having a seal strength from 30 N/15 mm to 80 N/15 mm when ultrasonically sealed at 4 N/mm seal force.

The present disclosure is directed to processes for producing ultrasonic sealable film structures and flexible containers with ultrasonic seals. The film structure includes a first multilayer film and a second multilayer film. Each multilayer film includes a backing layer and a seal layer. Each seal layer includes an ultrasonic sealable olefin-based polymer (USOP) having the following properties: (a) a heat of melting, Hm, less than 130 J/g, (b) a peak melting temperature, Tm, less than 125 C., (c) a storage modulus in shear (G) from 50 MPa to 500 MPa, and (d) a loss modulus in shear (G) greater than 10 MPa.

The multilayer films are arranged such that the seal layer of the first multilayer film is in contact with the seal layer of the second multilayer film. The seal layers form an ultrasonic seal having a seal strength from 30 N/15 mm to 80 N/15 mm when ultrasonically sealed at 4 N/mm seal force.

A method for producing a composite material molded article, including laminating a fibrous filler on a mold; pressure-reducing inside an airproof space, the airproof space being formed with the mold laminated with the fibrous filler and an airproof film covering thereon; and impregnating a resin material in the fibrous filler, the formation of the airproof space including bonding the mold and the airproof film with a seal material containing a (meth)acrylic polymer as an adhesive. The composite resin molded article obtained by the method of the present invention can be suitably used in fields in which composite materials of fibrous fillers such as glass fibers and carbon fibers are generally used, for example, housings, structural members, and the like for moving objects or movable objects.

A flow cell and a method for connecting components of a microfluidic flow cell, in particular for integrating component parts into a carrier structure of the flow cell, in which a gap is formed between the components to be connected. The gap is filled with a solvent. The material of at least one component bordering the gap dissolves in the solvent and the material completely fills the width of the gap and partially fills the height thereof after evaporation of the solvent.

A flow cell and a method for connecting components of a microfluidic flow cell, in particular for integrating component parts into a carrier structure of the flow cell, in which a gap is formed between the components to be connected. The gap is filled with a solvent. The material of at least one component bordering the gap dissolves in the solvent and the material completely fills the width of the gap and partially fills the height thereof after evaporation of the solvent.

An optical part includes a lens and a holder having the lens fixed thereto. The holder is a cylindrical member including a front surface, a back surface, an outer peripheral surface, and an inner peripheral surface. The back surface contacts the lens, and part of the inner peripheral surface penetrates the lens.