Abstract: In a polyester resin composition according to the present invention, processing stability, resistances to hydrolysis and bleeding are improved by the addition of an epoxy compound having lactone chains to a thermoplastic polyester resin, and stability in melt molding and processing can be improved, generation of gas or odor can be improved, and improvements as for bleeding of stabilizers or the epoxy compound from a molded article allowed to stand at high temperature can be attained by virtue of its low volatile content.

Abstract: An epoxidized granular thermoplastic polymer which comprises a shell-like surface layer insoluble in toluene at 25° C.

Abstract: A process for producing an epoxidized diene polymer includes: dispersing or suspending a diene polymer (C) having a ball-reduced particle size of 0.05-20 mm in a medium (A) in the presence of powder particles (B) insoluble in the medium (A), or in an aqueous medium in the presence of a phenol-based stabilizer and/or a phosphorus-based stabilizer; and epoxidizing the diene polymer (C) by an epoxidizing agent, therefore, problems associated with epoxidation performed by dissolving diene polymer in a solvent are eliminated; an economical method for epoxidizing, producing, and purifying a diene polymer (C) in a solid form is provided; and the epoxidized diene polymer having an excellent heat stability can be obtained.

Abstract: A coated molding comprising a molding of a thermoplastic resin composition including a thermoplastic resin and an epoxidized diene based block copolymer, and a coating layer formed on a surface of the molding, the thermoplastic resin composition including a thermoplastic resin and an epoxidized diene based block copolymer obtained by epoxidizing a diene based block copolymer or a partially hydrogentated diene based block copolymer, wherein prior to epoxidizing, the diene based block copolymer or partially hydrogenated diene based block copolymer consists of a polymer block consisting of a vinyl aromatic hydrocarbon compound, and a polymer block consisting of a conjugate diene compound or a partially hydrogenated conjugate diene compound. The thus obtained coating layer is thereby firmly adhered to a molding of the thermoplastic resin composition.

Abstract: A process for producing an epoxidized diene polymer includes: dispersing or suspending a diene polymer (C) having a ball-reduced particle size of 0.05-20 mm in a medium (A) in the presence of powder particles (B) insoluble in the medium (A), or in an aqueous medium in the presence of a phenol-based stabilizer and/or a phosphorus-based stabilizer; and epoxidizing the diene polymer (C) by an epoxidizing agent, therefore, problems associated with epoxidation performed by dissolving diene polymer in a solvent are eliminated; an economical method for epoxidizing, producing, and purifying a diene polymer (C) in a solid form is provided; and the epoxidized diene polymer having an excellent heat stability can be obtained.

Abstract: The present invention pertains to a transparent conductive layered structure having a transparent substrate and a transparent 2-layer film consisting of a transparent conductive layer and a transparent coating layer formed in succession on this substrate, that is used for instance, in the front panel of displays, such as CRTs, etc. The above-mentioned transparent conductive layer has as its main components noble metal microparticles with a mean particle diameter of 1 to 100 nm composed of gold and/or platinum and silver and containing 5 to 95 wt % gold and/or platinum, colored pigment microparticles with a mean particle diameter of 5 to 200 nm, and binder matrix. The noble metal microparticles are mixed at a ratio of 1 to 40 parts by weight per 1 part by weight colored pigment microparticles. Moreover, it is characterized in that the transparent 2-layer film has a surface resistance of 10 to 5000 &OHgr;/□, reflectance of 0 to 2.

Abstract: The present invention is directed to an epoxidized block copolymer (E) obtained by epoxidizing a block copolymer (C) comprising a polymer block (A) composed mainly of a vinyl aromatic hydrocarbon compound and a polymer block (B) composed mainly of a conjugated diene compound or a product (D) of hydrogenation of the block copolymer (C). The epoxidized block copolymer (E) meets at least one of the following requisites: (1) having a molar ratio (R) of contained hydroxyl to epoxy ranging from 0.001 to 0.

Abstract: An optical spectrum slicer capable of converting and outputting discontinuous spectrum lights having spectral components at a desired wavelength spacing from a broad band continuous spectrum light, with a simple constitution and at a reduced cost, the slider comprising a birefringent device having two polarization axes each orthogonal to an optical axis (z) and linear polarizers disposed at the light incident end and the light emission end thereof, with the direction of polarization being inclined by about 45° relative to each of polarization axes, and a heat generator for controlling the temperature of the birefringent device thereby variably controlling each of wavelengths while maintaining the wavelength spacing of the discontinuous spectrum lights.

Abstract: An epoxidized granular thermoplastic polymer which comprises a shell-like surface layer insoluble in toluene at 25° C.

Abstract: The present invention is directed to an epoxidized block copolymer composition comprising an epoxidized block copolymer (E) obtained by epoxidizing a block copolymer (C) comprising a polymer block (A) composed mainly of a vinyl aromatic hydrocarbon compound and a polymer block (B) composed mainly of a conjugated diene compound or a product (D) of hydrogenation of the block copolymer (C). The epoxidized block copolymer (E) meets at least one of the following requisites: (1) having a molar ratio (R) of contained hydroxyl to epoxy ranging from 0.001 to 0.

Abstract: A coated molding comprising a molding of a thermoplastic resin composition including a thermoplastic resin and an epoxidized diene based block copolymer, and a coating layer formed on a surface of the molding, the thermoplastic resin composition including a thermoplastic resin and an epoxidized diene based block copolymer obtained by epoxidizing a block copolymer consisting of a polymer block mainly including a vinyl aromatic hydrocarbon compound and a polymer block mainly including a conjugate diene compound, or a partially hydrogenated matter of the block copolymer, and thus obtained coating layer is firmly adhered to the molding of the thermoplastic resin composition.

Abstract: A multichannel optical spectrum slicer is able to convert a broad-band continuous spectral light into discontinuous multiple wavelength lights. This spectrum silcer comprise a birefringent device (F1) and linear polarizers (P0, P1). A birefringent device (F1) such as a birefringent single-mode optical fiber or uniaxial single crystal has two polarization axes (x, y) each orthogonal to an optical axis (z). Linear polarizers (P0, P1) are disposed at the input and the output ends of the birefringent device (F1) with the direction of polarization (A) being inclined by about 45° relative to each of the polarization axes (x, y). Further, when birefringence devices (F1, F2) are disposed in plurality between each polarizer (P0-P2), the spectrum separation is enhanced more.

Abstract: A low-transmission transparent layered structure made of a transparent substrate and a low-transmission transparent layer formed on the transparent substrate, wherein the low-transmission transparent layer is constituted of black pigment fine particles having a mean particle size of from 10 to 150 nm and a binder matrix as the main constituents, the black pigment fine particles are composite oxide fine particles of iron, manganese, and copper, or are carbon fine particles and black titanium compound fine particles, the visible light transmittance of the low-transmission transparent layer is from 40 to 90%, and the standard deviation of the transmittance of the low-transmission transparent layer in each wavelength every 5 nm of a visible light wavelength region (380 to 780 nm) is 5% or lower. The low-transmission transparent layer structure has a flat transmission profile, can impart a low reflectance and antistatic and electric field shielding functions, and is used for a display device.

Abstract: A lubricating oil for freezers, which is made of a polyether represented by the general formula (1): R1 —[X—OR4]5, wherein R1 represents an s-valent group having an aromatic nucleus, X represents a divalent group consisting of —OR2— and —OR3— groups (the numbers of which are q and r, respectively, on average), R2 represents an ethylene group which may have a methyl group or ethyl group, R3 represents an ethylene group having an alkoxymethyl group in which the alkoxyl group has 1 to 4 carbon atoms, and R4 represents an alkyl group having 1 to 10 carbon atoms, s is an integer of 1 to 6, q is 0 to 6, r is at least 0.5, and (q+r)×s is 3 to 80, and which has a high compatibility with HFC refrigerant, a high stability to the hydrolisis and a high volume resistivity.

Abstract: The present invention is the following invention which provides a cement admixture which satisfies fluidity of fresh concrete and high strength of the hardened product of concrete simultaneously.

Abstract: An optical spectrum slicer capable of converting and outputting discontinuous spectrum lights having spectral components at a desired wavelength spacing from a broad band continuous spectrum light, with a simple constitution and at a reduced cost, the slider comprising a birefringent device having two polarization axes each orthogonal to an optical axis (z) and linear polarizers disposed at the light incident end and the light emission end thereof, with the direction of polarization being inclined by about 45° relative to each of polarization axes, and a heat generator for controlling the temperature of the birefringent device thereby variably controlling each of wavelengths while maintaining the wavelength spacing of the discontinuous spectrum lights.

Abstract: A blended composition consisting of a thermoplastic olefin resin (Comp. A) with an acrylonitrile-styrene-alkyl acrylate copolymer (Comp. B) was attempted to create substitution for vinyl chloride compound prepared from vinyl chloride resin proper and a plasticizer, but resulted in inferior interdispersibility. Incorporation of an epoxy resin (Comp. C) has brought definite improvement in the interdispersibility. A resinous composition including the components A, B, and C has the utility of substitution for vinyl chloride compounds as well as its products. (Comp. C) is selected from the group consisting of epoxidized diene block copolymers including, in their molecules, a block prepared by polymerization from a vinyl aromatic monomer and another block prepared by polymerization from a conjugated diene monomer, wherein remnant diene groups after the polymerization have been epoxidized or further partially hydrogenated.

Abstract: A coated molding comprising a molding of a thermoplastic resin composition including a thermoplastic resin and a compound having a functional group, and a coating layer formed on a surface of the molding, the thermoplastic resin composition including a thermoplastic resin and an epoxidized diene based block copolymer obtained by epoxidizing a block copolymer consisting of a polymer block mainly including a vinyl aromatic hydrocarbon compound and a polymer block mainly including a conjugate diene compound, or a partially hydrogenated matter of the block copolymer, and thus obtained coating layer is firmly adhered to the molding of the thermoplastic resin composition.

Abstract: The present invention is directed to a method for producing fluorine-containing oxyalkylene compounds used in a cement admixture represented by the formula (4), which comprises ring opening polymerization of at least one cyclic ether represented by the formula (3) in the presence of an acid catalyst and a fluorine-containing hydroxyl compound represented by the formula (2): Rf—Q2—OH  (2)  Rf—Q2—O—(A2—O)k—H  (4) wherein Rf is a C1-22 polyfluoroaliphatic hydrocarbon group which may contain ethereal oxygen atoms or thioethereal sulfur atoms, Q2 is a C3-5 linear or branched alkylene group, k is an integer of from 1 to 100, and A2 is a C2-4 linear alkylene group or a group having at least one hydrogen atom of said alkylene group substituted by a hydrocarbon group which may contain ethereal oxygen atoms.

Abstract: The present invention is the following invention which provides a cement admixture which satisfies fluidity of fresh concrete and high strength of the hardened product of concrete simultaneously.