Abstract: A styrene resin having a syndiotactic structure, with an endothermic amount in a range of 175 to 260° C. of less than 30% based on the total endothermic amount, and a styrene resin composition containing 50 to 95% by mass of a thermoplastic resin composition and 5 to 50% by mass of a glass filler, the thermoplastic resin composition containing 100 parts by mass containing 80 to 100% by mass of a styrene resin having a syndiotactic structure and 0 to 20% by mass of a rubbery elastic material, 0.2 to 2.0 parts by mass of at least one kind of an antioxidant selected from a phenol-based antioxidant and a sulfur antioxidant, 1.5 to 5.0 parts by mass of at least one kind of a compound selected from a polyphenylene ether or a modified polyphenylene ether, and at least one kind selected from a nucleating agent or a release agent.

Abstract: The present invention relates to a saturated aliphatic hydrocarbon compound composition having an evaporation loss of 4% by mass or less as determined by the Noack method, a kinetic viscosity at 100° C. of 6.5 mm2/s or less, and an average carbon number of 36 to 44, to a lubricating oil composition containing the saturated aliphatic hydrocarbon compound composition, and to a method for producing a saturated aliphatic hydrocarbon compound composition, including: a step 1 of oligomerizing an olefin to obtain an olefin oligomer; a step 2 of isomerizing the olefin oligomer to obtain an isomer; and a step 3 of hydrogenating the isomer.

Abstract: A styrene resin having a syndiotactic structure, with an endothermic amount in a range of 175 to 260° C. of less than 30% based on the total endothermic amount, and a styrene resin composition containing 50 to 95% by mass of a thermoplastic resin composition and 5 to 50% by mass of a glass filler, the thermoplastic resin composition containing 100 parts by mass containing 80 to 100% by mass of a styrene resin having a syndiotactic structure and 0 to 20% by mass of a rubbery elastic material, 0.2 to 2.0 parts by mass of at least one kind of an antioxidant selected from a phenol-based antioxidant and a sulfur antioxidant, 1.5 to 5.0 parts by mass of at least one kind of a compound selected from a polyphenylene ether or a modified polyphenylene ether, and at least one kind selected from a nucleating agent or a release agent.

Abstract: To provide a method for producing a styrene resin having a syndiotactic structure, including performing addition polymerization of one or more of a vinyl aromatic monomer in the presence of a catalyst containing a half metallocene transition metal compound (A) having at least one kind selected from metals of groups 3 to 5 of the periodic table and lanthanoid transition metals as a central metal, a compound (B) represented by the general formula (1), and a compound (C) selected from at least one kind of an oxygen-containing compound (c1) and a compound (c2) capable of forming an ionic complex through reaction with a transition metal compound, the styrene resin produced having a transition metal content derived from the half metallocene transition metal compound (A) of 1.5 to 12 ppm by mass.

Abstract: The present invention relates to a petroleum resin having the content of a volatile organic compound component of less than 100 wt ppm; and a hydrogenated petroleum resin having the content of a volatile organic compound component of less than 100 wt ppm.

Abstract: To provide a method for producing a styrene resin having a syndiotactic structure, including performing addition polymerization of one or more of a vinyl aromatic monomer in the presence of a catalyst containing a half metallocene transition metal compound (A) having at least one kind selected from metals of groups 3 to 5 of the periodic table and lanthanoid transition metals as a central metal, a compound (B) represented by the general formula (1), and a compound (C) selected from at least one kind of an oxygen-containing compound (c1) and a compound (c2) capable of forming an ionic complex through reaction with a transition metal compound, the styrene resin produced having a transition metal content derived from the half metallocene transition metal compound (A) of 1.5 to 12 ppm by mass.

Abstract: Provided is a method of producing an ?-olefin polymer including a step of polymerizing one or more kinds of ?-olefins each having 6 to 20 carbon atoms with a catalyst obtained by using a specific transition metal compound. By the method, an ?-olefin polymer having a viscosity suitable for use in a lubricating oil can be produced on an industrial scale with ease, and further, the characteristics of the product can be widely changed through the control of reaction conditions.

Abstract: Disclosed is a method for producing an unsaturated hydrocarbon compound wherein an ?-olefin is dimerized by using a catalyst system composed of a metallocene compound (A) and an oxygen-containing organometallic compound modified with a halogen-containing compound (B). By this method, an unsaturated hydrocarbon compound having unsaturated double bonds in a high ratio, in particular the one having a terminal vinylidene group can be produced efficiently.

Abstract: Disclosed is a method for producing an unsaturated hydrocarbon compound wherein an ?-olefin is dimerized by using a catalyst system composed of a metallocene compound (A) and an oxygen-containing organometallic compound modified with a halogen-containing compound (B). By this method, an unsaturated hydrocarbon compound having unsaturated double bonds in a high ratio, in particular the one having a terminal vinylidene group can be produced efficiently.

Abstract: Provided is a method of producing an ?-olefin polymer including a step of polymerizing one or more kinds of ?-olefins each having 6 to 20 carbon atoms with a catalyst obtained by using a specific transition metal compound. By the method, an ?-olefin polymer having a viscosity suitable for use in a lubricating oil can be produced on an industrial scale with ease, and further, the characteristics of the product can be widely changed through the control of reaction conditions.

Abstract: A method of producing an ?-olefin oligomer composition of the present invention is a method of producing an ?-olefin oligomer composition, the method including the step of causing the molecules of an ?-olefin to react with each other with a specific catalyst in the presence of hydrogen.

Abstract: Disclosed is a method for producing an unsaturated hydrocarbon compound wherein an ?-olefin is dimerized by using a catalyst system composed of a metallocene compound (A), an ionizing agent (B) and hydrogen. By this method, an unsaturated hydrocarbon compound having unsaturated double bonds in a high ratio, in particular the one having a terminal vinylidene group can be produced efficiently.

Abstract: Disclosed is a method for producing an unsaturated hydrocarbon compound wherein an ?-olefin is dimerized by using a catalyst system composed of a metallocene compound (A) and an oxygen-containing organometallic compound modified with a halogen-containing compound (B). By this method, an unsaturated hydrocarbon compound having unsaturated double bonds in a high ratio, in particular the one having a terminal vinylidene group can be produced efficiently.

Abstract: A carbonyl compound represented by the following formula [1], wherein X is hydrogen, a hydroxy group, an alkoxy group or a group derived from a polyol, and n, which is the same in each instance, is 4 to 30. Compositions comprising the compound, and method for making the compound.

Abstract: A long-chain branched alkyl group-containing primary carbonyl compound which excels in low temperature fluidity and biodegradability and possesses a high boiling point, and a synthetic lubricant are provided. The carbonyl compound represented by the following formula [1] excels in low temperature fluidity and biodegradability and possesses a high boiling point, wherein X is hydrogen, a hydroxy group, an alkoxy group or a group derived from a polyol, and n is 4 to 30. The compound is suitably used in lubricating oils.

Abstract: The ?-olefin-aromatic vinyl compound copolymer of the present invention is obtained by using a transition metal compound represented by the following Formula (1) and a promoter component to carry out copolymerization, and it is a novel ?-olefin-aromatic vinyl compound copolymer having a low alternating property and a high blocking property, particularly a high blocking property related to the aromatic vinyl compound: wherein A1 and A2 represent a cyclopentadienyl group, a substituted cyclopentadienyl group or the like; Y1 and Y2 represent a substituted or unsubstituted alkylene group or the like, and at least one of them is the substituted or unsubstituted alkylene group; M1 represents titanium or the like; X1 and X2 represent a hydrogen atom, a halogen atom or the like.

Abstract: Catalysts for copolymerization of olefins and styrenes, comprising (A) a transition metal compound, (B) an oxygen-containing compound and/or a compound capable of reacting with a transition metal compound to form an ionic complex, (C) a specific compound such as a reaction product of triphenylmethyl alcohol and triisobutylaluminium, and optionally (D) an alkylating agent, and methods for producing olefin-styrene copolymers in the presence of such catalysts, which catalysts have the advantages of enhancing the copolymerization activity and reducing the amount of the promoter such as oxygen-containing compounds, etc, and using them, olefin-styrene copolymers can be produced efficiently and inexpensively.

Abstract: Disclosed are (1) a polyolefin-based composite resin obtained using a catalyst comprising a silane-treated product of a layered compound such as clay and a transition metal complex, (2) a polyolefin-based composite resin comprising a polyolefin-based resin composition obtained using a catalyst comprising the layered compound and the transition metal complex each described above and a specific compound, (3) a production process for a high rigidity composite molded article, comprising subjecting the polyolefin-based composite resin obtained using the catalyst described above to shearing treatment during heating, (4) a production process for an olefin/polar vinyl monomer copolymer, using the catalyst described above and (5) a vinyl compound-polymerizing catalyst comprising a layered compound treated with a specific silane compound and a transition metal complex.

Abstract: Provided is a novel olefin copolymer comprising [A] a cyclic olefin, [B] an aromatic vinyl compound and [C] an aliphatic &agr;-olefin having from 2 to 20 carbon atoms. (1) the component [A] therein accounts for from 0.1 to 30 mol %, the component [B] for from 0.1 to 49.9 mol %, and the total of the components [A] and [B] for from 0.2 to 50 mol %; and (2) the copolymer has a glass transition temperature Tg of lower than 60° C. Having a suitable modulus of elasticity, the copolymer can be a substitute for soft polyvinyl chloride as a soft resin, and it has good elastic recovery and transparency.

Abstract: The &agr;-olefin-aromatic vinyl compound copolymer of the present invention is obtained by using a transition metal compound represented by the following Formula (1) and a promoter component to carry out copolymerization, and it is a novel &agr;-olefin-aromatic vinyl compound copolymer having a low alternating property and a high blocking property, particularly a high blocking property related to the aromatic vinyl compound: 1