Abstract: A liquid chromatograph, comprising a first analysis column, which separates a component in a sample guided by a first mobile phase; first detection device for detection of the component; a fractionation flow path, which fractionates and holds in an isolation portion the component detected by the first detection device; a trap flow path, which sends the component held in the isolation portion into a trap column, and causes capture and concentration of the component in the trap column; a second analysis column, which separates the component which has been captured and concentrated in the trap column and is eluted from the trap column by a second mobile phase; and second detection device for detection of the component separated in the second analysis column, wherein the first and second detection devices have a detector selected from a group consisting of a photodiode array detector, an infrared detector, a radioisotope detector, and a fluorescence detector.

Abstract: The present invention provides an ethylene polymer that has excellent fluidity and moldability as well as gives a molded product having excellent mechanical strength. The ethylene polymer of the present invention contains 0.02 to 1.50 mol % of a constitutional unit derived from ?-olefin having 6 to 10 carbon atoms, and has the density of 945 to 975 kg/m3, which satisfies both of the following requirements [1] and [2] simultaneously: [1] in CFC, all the components having a molecular weight of 100,000 or more are eluted at a temperature of 85° C. or higher; and [2] the components eluted at a temperature of 80° C. or lower account for up to 5% of all the components eluted in CFC.

Abstract: A composition having excellent transparency, flexibility, rubber elasticity, thermal resistance, impact resistance, abrasion resistance and the like, a composition having excellent rigidity and impact resistance as well as excellently balanced in whitening resistance, abrasion resistance and heat sealability, and a composition having excellent rubbery properties, thermal resistance, abrasion resistance and flexibility are provided. A composition comprising a specific propylene•?-olefin copolymer for which, in a signal chart measured by 13C-NMR and predetermined such that the peak present at the highest magnetic field among the signals originating from CH (methine) of the constituent unit derived from an ?-olefin having 4 to 20 carbon atoms is to be at 34.4 ppm, an absorption intensity A at about 22.0 to 20.9 ppm and an absorption intensity B at about 19.0 to 20.6 ppm satisfy the following relational expressions (i) and (ii) with respect to an absorption intensity C at about 19.0 to 22.

Abstract: Monolayer and multilayer polypropylene-based films are provided which are excellent in not only heat resistance but also all of transparency, flexibility and impact resistance. The polypropylene-based monolayer film has a thickness of 100 to 400 ?m and satisfies Requirements (1) to (4) below all together. The multilayer film includes the monolayer film as the base layer. (1) The Young's modulus measured in accordance with JIS K6781 is 500 MPa or less. (2) The tensile impact strength measured at 0° C. is 100 to 1000 kJ/m2. (3) The light transmittance is 85 to 99%, and the reduction rate of light transmittance after hot-water treatment at 120° C. for 30 minutes is less than 15% of the light transmittance before the treatment. (4) The film is composed of 5 to 60 wt % of a component soluble in n-decane at room temperature (Dsol) and 40 to 95 wt % of a component insoluble in n-decane at room temperature (Dinsol).

Abstract: An ethylene polymer containing 0.01 to 1.20 mol % of a constitutional unit derived from ?-olefin having 6 to 10 carbon atoms, wherein with respect to cross fractionation chromatography (CFC), either (1) the weight average molecular weight (Mw) of the components eluted at 73 to 76° C. does not exceed 4,000, or (2) the ethylene polymer satisfies the following relationship (Eq-1), provides a molded product having excellent moldability and therefore excellent mechanical strength and appearance: Sx/Stotal?0.1??(Eq-1) wherein Sx is the sum of the total peak areas related to the components eluted at 70 to 85° C., and Stotal is the sum of the total peak areas related to the components eluted at 0 to 145° C.

Abstract: A polarizing optical composite equipped with a polarizing plate holding a polarizer sheet layer between two protective sheet layers, wherein the polarizing sheet layer has on one side thereof at least two layers, in a body, constructed of materials different each other. The polarizing optical composite has high impact resistance and high degree of polarization, and is used as, for example, goggles, sunglasses, and spectacles, which have high impact resistance, has more safety, and can prevent dazzling light.

Abstract: The invention has an object to obtain a polarizing and dimming transparent optical product having both a polarizing function and a dimming function, for example, polarizing and dimming sunglasses, goggles and lenses.

Abstract: The invention has an object to obtain a polarizing and dimming transparent optical product having both-a polarizing function and a dimming function, for example, polarizing and dimming sunglasses, goggles and lenses. The transparent optical product according to the invention has a lamination structure including one polarizer sheet layer, and at least one layer other than the polarizer sheet having the dimming function. Moreover, a plurality of sheets including one polarizer sheet and at least one sheet other than the polarizer sheet are mutually bonded with an adhesive or a binder to constitute a composite sheet, and at least one of the non-polarizer sheets and adhesive or binder layers in the composite sheet has the dimming function.

Abstract: A polarizing optical composite equipped with a polarizing plate holding a polarizer sheet layer between two protective sheet layers, wherein the polarizing sheet layer has on one side thereof at least two layers, in a body, constructed of materials different each other. The polarizing optical composite has high impact resistance and high degree of polarization, and is used as, for example, goggles, sunglasses, and spectacles, which have high impact resistance, has more safety, and can prevent dazzling light.

Abstract: A method of manufacturing a lens having a lens body integral with a functional sheet on one side thereof, includes an insert molding process including the steps of: placing the functional sheet as an insert in position in a mold defining a suction hole therein; and while attracting the functional sheet against a molding surface of the mold by a peripheral portion thereof by suction through the suction hole, supplying to the mold a molten plastic material for forming the lens body, to form the lens.

Abstract: A composite molded article including a polarizer of polycarbonate is provided which is excellent in impact resistance and allows for the manufacture of an eyesight-corrective polarizing lens for eyeglasses, and which comprises a protective layer 2 formed of an annealed or stretched polycarbonate material, a layer to be polished 4 including an untreated layer 6 formed of a polycarbonate material as injection-molded which is not annealed or stretched, and a polarizing film 3 which are superposed one on another in stack with the polarizing film 3 interposed between the protective layer 2 and the layer to be polished 4, the layer to be polished 4 being greater in thickness than the protective layer 2.