Abstract: Disclosed is a hydrogenated copolymer obtained by hydrogenating an unhydrogenated copolymer comprising conjugated diene monomer units and vinyl aromatic monomer units, the unhydrogenated copolymer having at least one polymer block (H) of vinyl aromatic monomer units, wherein the hydrogenated copolymer has the following characteristics (1) to (5): (1) a content of the vinyl aromatic monomer units of from more than 60% by weight to less than 90% by weight, based on the weight of the hydrogenated copolymer; (2) a content of the polymer block (H) of from 1 to 40% by weight, based on the weight of the unhydrogenated copolymer; (3) a weight average molecular weight of from more than 100,000 to 1,000,000; (4) a hydrogenation ratio of 85% or more, as measured with respect to the double bonds in the conjugated diene monomer units; and (5) substantially no crystallization peak observed at ?50 to 100° C. in a differential scanning calorimetry (DSC) chart obtained with respect to the hydrogenated copolymer.

Abstract: An object of the present invention is to provide a block copolymer having the excellent improving characteristics. Specifically, the block copolymer is a hydrogenated block copolymer capable of obtaining a molded product, as a polyolefin based resin composition, having excellent physical property balance between impact resistance, in particular, low temperature impact resistance and rigidity, and molding processability, and further, capable of providing, as a viscous adhesive composition, a composition having an excellent balance between adhesion characteristics such as adhesive power and retentivity, and having excellent melt viscosity stability under heating at a high temperature.

Abstract: A modified block copolymer composition comprising (1) 100 parts by weight of a modified block copolymer consisting of vinyl aromatic hydrocarbons and conjugated dienes, containing a functional group having at least one group selected from the group consisting of a hydroxide group, an epoxy group, an amino group, a silanol group and an alkoxysilane group, or a hydrogenation product of the copolymer, and (2) 0.5 to 50 parts by weight at least one of fillers selected from the group consisting of silica-based inorganic fillers, metal oxides and metal hydroxides is disclosed. This modified block copolymer composition is excellent in heat resistance, mechanical strength, transparency, abrasion resistance, and processability.

Abstract: A second-order modified block copolymer which can be obtained by reacting a first-order modified block copolymer with a second-order modifier, wherein the first-order modified block copolymer comprises a base block copolymer and a functional group-containing first-order modifier group bonded to the base block copolymer, wherein the base block copolymer comprises at least one polymer block comprised mainly of vinyl aromatic hydrocarbon monomer units and at least one polymer block comprised mainly of conjugated diene monomer units, and wherein the second-order modifier has a specific functional group which is reactive to the functional group of the first-order modifier group of the first-order modified block copolymer. A second-order modified block copolymer-containing polymer composition comprising the second-order modified block copolymer as well as a thermoplastic resin and/or a rubbery polymer.

Abstract: A hydrogenated polymer obtained by hydrogenating a conjugated diene polymer having an average vinyl bond content of 20% by weight or more and less than 40% by weight to a degree such that 85% or more of double bond residues in the conjugated diene unit portion are hydrogenated, wherein (1) the crystallizing peak temperature and the hydrogenated vinyl bond content satisfy the formula: −2.8V+100<T<−2.8V+130 wherein T is the crystallizing peak temperature (° C.) measured by DSC; and V is the hydrogenated vinyl bond content (%), (2) the molecular weight is 60,000 to 600,000, and (3) the molecular weight distribution is 1.55 to 5.0. The hydrogenated polymer is excellent in mechanical strength, heat resistance, weatherability and processability and, when blended with other thermoplastic resins or rubbery polymers, provides molded articles with well-balanced physical properties such as impact resistance and moldability.

Abstract: Disclosed is a hydrogenated copolymer obtained by hydrogenating an unhydrogenated copolymer comprising conjugated diene monomer units and vinyl aromatic monomer units, the unhydrogenated copolymer having at least one polymer block (H) of vinyl aromatic monomer units, wherein the hydrogenated copolymer has the following characteristics (1) to (5): (1) a content of the vinyl aromatic monomer units of from more than 60% by weight to less than 90% by weight, based on the weight of the hydrogenated copolymer; (2) a content of the polymer block (H) of from 1 to 40% by weight, based on the weight of the unhydrogenated copolymer; (3) a weight average molecular weight of from more than 100,000 to 1,000,000; (4) a hydrogenation ratio of 85% or more, as measured with respect to the double bonds in the conjugated diene monomer units; and (5) substantially no crystallization peak observed at −50 to 100° C. in a differential scanning calorimetry (DSC) chart obtained with respect to the hydrogenated copolymer.

Abstract: The present invention relates to a hydrogenated polymer which is a hydrogenation product of a conjugated diene polymer having an average vinyl bond content of 20% by weight or more and less than 50% by weight and a weight average molecular weight of 60,000 to 600,000 to a degree such that 85% or more of the residual double bonds in the conjugated diene units are hydrogenated, and which has a molecular weight and a number of terminal methyl group carbons as measured by GPC/FTIR analysis satisfying relationship (1):

Abstract: A hydrogenated polymer obtained by hydrogenating a conjugated diene polymer having an average vinyl bond content of 20% by weight or more and less than 40% by weight to a degree such that 85% or more of double bond residues in the conjugated diene unit portion are hydrogenated, wherein

Abstract: An object of the present invention is to provide a block copolymer having the excellent improving characteristics. Specifically, the block copolymer is a hydrogenated block copolymer capable of obtaining a molded product, as a polyolefin based resin composition, having excellent physical property balance between impact resistance, in particular, low temperature impact resistance and rigidity, and molding processability, and further, capable of providing, as a viscous adhesive composition, a composition having an excellent balance between adhesion characteristics such as adhesive power and retentivity, and having excellent melt viscosity stability under heating at a high temperature.

Abstract: A semiconductor device having a current mirror circuit composed of a first transistor element Q11 and a second transistor element Q12 is used as a single transistor TD. A plurality of transistor elements for composing the first transistor element Q11 on the current referring side and a plurality of transistor elements for composing the second transistor element Q12 on the current reference side are dispersedly disposed to provide a uniform distribution density on a semiconductor substrate possibly.

Abstract: A low-cost, high-performance coin sorting machine is provided by providing a plurality of coils which sense coins concurrently and using a simple oscillation circuit to provide oscillation signals at different frequencies, thereby reducing the size of the coin sorting machine. Right and left pairs of sensor coils are composed of inner and outer coils. When either of the connections between one inner coil and other inner coil, and between one outer coil and the other outer coil, is made in a cumulative mode, the other connection is made in a differential mode. The relationship between the oscillation frequencies is set so that one of the frequencies is greater than twice the other.

Abstract: The present invention provides a resin composition comprising:(A) at least one thermoplastic resin not having halogen selected from the group consisting of a polyphenylene ether resin, a polycarbonate resin, a polystyrene resin, a polyolefin resin, a polyamide resin and a thermoplastic elastomer; and(B) a phosphoric acid ester compound represented by general formula I: ##STR1## wherein Q.sub.1, Q.sub.2, Q.sub.3 and Q.sub.4 independently represent an alkyl group having 1 to 6 carbon atoms; R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently represent a methyl group or a hydrogen atom; n represents an integer of 1 or more; n1 and n2 independently represent an integer of 0 to 2; and m1, m2, m3 and m4 independently represent an integer of 1 to 3.According to the present invention, a resin composition excellent in flame retardance can be obtained.