Catalyst composition for hydrogenation and method for hydrogenation using the same

A catalyst composition for hydrogenation including (A) to (D), in which a mass ratio ((C)/(A)) is 0.1 to 4.0 and a mass ratio ((D)/(A)) is 0.01 to 1.00, (A): a titanocene compound represented by formula (1), (wherein R5and R6are any group selected from hydrogen, a hydrocarbon group having 1 to 12 carbon atoms, an aryloxy group, an alkoxy group, a halogen group, and a carbonyl group. R1and R2are any group selected from the group consisting of hydrogen and a hydrocarbon group having 1 to 12 carbon atoms, and R1and R2are not all hydrogen atoms or all a hydrocarbon group having 1 to 12 carbon atoms), (B): a reductant formed from a compound containing an element selected from the elements Li, Na, K, Mg, Zn, Al, and Ca, (C): an unsaturated compound having a molecular weight of 400 or less, and (D): a polar compound.

HYDROGENATED BLOCK COPOLYMER

A hydrogenated block copolymer which is made up of at least two polymer blocks A consisting mainly of vinylaromatic hydrocarbon compound units and at least two polymer blocks B consisting mainly of hydrogenated butadiene units and in which the polymer blocks B each has a degree of hydrogenation of 90 % or higher, wherein at least one of the terminal blocks is a polymer block B, all the terminal polymer blocks B account for 0.1 to 9.1 wt%, excluding 9.1 wt.%, of the whole copolymer, the vinylaromatic hydrocarbon compound units account for 25 to 80 wt.%, excluding 80 wt%, of the whole copolymer, and the polymer blocks B before hydrogenation had a 1,2-bond content of 60 to 99 mol%, excluding 99 mol%, on the average. A resin composition is also provided which comprises the copolymer and either a polypropylene resin/a polyphenylene ether resin or a polystyrene resin. © KIPO & WIPO 2007 ...

STYRENIC RESIN COMPOSITION HAVING EXCELLENT WEATHERABILITY

PROBLEM TO BE SOLVED: To provide a styrenic resin composition having excellent weatherability and color producing ability. SOLUTION: This styrenic thermoplastic resin composition comprises (A) 5 to 95 pts.wt. of a styrenic resin and (B) 5 to 95 pts.wt. of multi-layer structured acrylic polymer, where the styrenic resin (A) is a copolymer comprising at least a vinylaromatic monomer component and an unsaturated nitrile monomer component. COPYRIGHT: (C)2002,JPO ...

RESIN COMPOSITION AND MOLDED PRODUCT THEREOF

PROBLEM TO BE SOLVED: To obtain a resin composition excellent in flexibility, oil resistance and moldability and processability. SOLUTION: The resin composition comprises (A) ≥0.1 and $40 pts.wt. styrene-based block copolymer having a functional group, (B) ≥1 and ≤50 pts.wt. crystalline resin containing a polymer chain having a component reacting with the functional group at the terminal and having >150°C crystallization- starting temperature and (C) ≥10 and ≤98.9 pts.wt. styrene-based resin. In the resin composition, the component C has a continuous phase and the crystallization enthalpy (ΔHc1) of the component B at >150°C and the enthalpy (ΔHm1) of melting of the component B satisfy the formula: X=ΔHc1/ΔHm1 and the formula: 0≤X≤0.7 and the melting point of the component B is >150°C. COPYRIGHT: (C)2003,JPO ...

Hydrierte Blockcopolymere, diese enthaltende Zusammensetzungen und Formkörper

Hydrogenation catalyst composition and hydrogenation method using said hydrogenation catalyst composition

本發明之氫化用觸媒組合物包含(A)~(D)，且質量比(D)/(A)為0.01~2.00，(A)：式(1)之二茂鈦化合物□(R5、R6選自由氫、C1~C12之烴基、芳氧基、烷氧基、鹵基、及羰基所組成之群，R1、R2選自氫、C1~C12之烴基)(B)：含有選自Li、Na、K、Mg、Zn、Al、Ca之元素之化合物(C)：側鏈之烯烴性不飽和雙鍵量相對於總體之烯烴性不飽和雙鍵量之分率為0.25~1.0的不飽和聚合物(D)：極性化合物。

Method for producing catalyst composition for hydrogenation and catalyst composition for hydrogenation

A method for producing a catalyst composition for hydrogenation, wherein: (A): a titanocene compound represented by following general formula (1): wherein R5and R6represent a group selected from the group consisting of hydrogen, a hydrocarbon group having 1 to 12 carbon atoms, an aryloxy group, an alkoxy group, a halogen group and a carbonyl group, and may be the same or different, and R1and R2represent a group selected from the group consisting of hydrogen and a hydrocarbon group having 1 to 12 carbon atoms, and may be the same or different, provided that R1and R2represent are not all hydrogens or all hydrocarbon groups having 1 to 12 carbon atoms; (B): a compound containing at least one element selected from the group consisting of elements Li, Na, K, Mg, Zn, Al, and Ca; and (C): an unsaturated compound are used, and the method has: a force application step of applying a shearing force at a shearing rate of 1000 (1/s) or more to at least component (A); and a step of mixing components ...

Method of producing hydrogenation catalyst composition and hydrogenation catalyst composition

This method of producing a hydrogenation catalyst composition uses (A) a titanocene compound shown in general formula (1) (In formula (1), R5 and R6 represent groups selected from the set consisting of hydrogen, C1-C12 hydrocarbon groups, aryloxy groups, alkoxy groups, halogen groups, and carbonyl groups, and R5 and R6 may be the same or different. The R1s and R2s represent groups selected from the set consisting of hydrogen and C1-C12 hydrocarbon groups, and the R1s and R2s may be the same or different. However, the R1s and R2s may not all be hydrogens or all be C1-C12 hydrocarbon groups.), (B) a compound containing one or more elements selected from the set consisting of Li, Na, K, Mg, Zn, Al and Ca, and (C) an unsaturated compound, and involves a force applying step for applying a shear force with a shear velocity of at least 1000(1/s) to at least (A), and a step for mixing (A), (B) and (C).

RESIN COMPOSITION AND ITS MOLDED PRODUCT

PROBLEM TO BE SOLVED: To obtain a resin composition which excels in transparency, heat sealability, gas barrier properties, recycling properties, and mold processing properties. SOLUTION: The resin composition comprises (A) 0.1-20 pts.wt. thermoplastic polymer having a functional group (f), (B) 1-70 pts.wt. crystalline resin containing a polymer chain having a component which reacts with the functional group (f) at the terminal, and (C) 10-98.9 pts.wt. olefin based resin, and the component (C) is a continuous phase; the enthalpy (ΔHc1) of crystallization of the crystalline resin component of the component (B) having a crystallization initiation temperature of >150°C and the enthalpy (ΔHm1) of fusion of the crystalline resin component of the component (B) meet the formulae: X=ΔHc1/ΔHm1 and 0≤X≤0.7; and the melting point of the crystalline resin component of the component (B) is >150°C. COPYRIGHT: (C)2003,JPO ...

METHOD FOR PRODUCING CATALYST COMPOSITION FOR HYDROGENATION AND CATALYST COMPOSITION FOR HYDROGENATION

RESIN COMPOSITION AND ITS MOLDED PRODUCT

PROBLEM TO BE SOLVED: To provide a resin composition excellent in gas barrier properties, heat resistance, oil resistance and molding processability. SOLUTION: The resin composition satisfies the following conditions (1), (2), (3) and (4): (1) The resin composition comprises 1-99 pts.wt. of a thermoplastic polymer (A) bearing a functional group (f) and 1-99 pts.wt. of a crystalline resin (B) containing a polymer chain bearing on its end a component reactive with the functional group (f) and having a crystallization initiation temperature higher than 150°C. (2) The component (A) constitutes a continuous phase. (3) The crystallization enthalpy (ΔHc1) of the crystalline resin component (B) and the melting enthalpy (ΔHm1) of the crystalline resin component (B) each at a temperature higher than 150°C satisfy the following equations, X=ΔHc1/ΔHm1 and 0≤x≤0.7. (4) The melting point of the crystalline resin component (B) is higher than 150°C. COPYRIGHT: (C)2003,JPO ...

HEAT SENSITIVE REPEATING RECORDING MATERIAL

PURPOSE: To impart excellent stability with the elapse of time to a written printed character and to avoid the lowering of readability due to discoloration by using a polymer containing a crystalline olefin chain and a crystalline org. compound. CONSTITUTION: 100 pts. of a hydrogenerated styrene/butadiene block copolymer as crystalline olefin and 40 pts.wt. of behenic acid as a crystalline org. compound are dissolved in p-xylene to prepare a 30wt.% solution mixture. This solution mixture is applied to a sheet with 0.08mm-thickness composed of polyglycol terephthalate and the solvent is volatilized to obtain a film with 0.1nm-thickness. The film thus obtained is cloudy and shows low light transmissivity but shows high light transmissivity when it is heated to about 100°C and subsequently quenched in cold water. COPYRIGHT: (C)1992,JPO&Japio ...

Method for producing polymer

A method for producing a polymer has: a polymerization step of polymerizing at least a conjugated diene monomer in a hydrocarbon solvent using an organolithium compound as a polymerization initiator, and obtaining a polymer; and, following steps (1) to (4), successively performing after the polymerization step: (1) a step of mixing an acid and water of 20 to 300 parts by mass into the solution containing the polymer of 100 parts by mass, (2) a step of adjusting an amount of the water to 10 parts by mass or less based on 100 parts by mass of the solution containing the polymer, (3) a step of adding a carbon oxide gas and/or a compound to be decarboxylated to the solution containing the polymer, and (4) a step of removing a solvent from the solution containing the polymer until a concentration of the polymer reaches 95 mass % or more.

Hydrogenated block copolymer and composition of the same

A hydrogenated block copolymer comprising: at least two polymer blocks A mainly comprising vinylaromatic hydrocarbon compound monomer units; and at least two polymer blocks B mainly comprising hydrogenated conjugated diene compound monomer units, in which at least 90% of the olefinically unsaturated double bonds contained in the unhydrogenated polymer block mainly comprising the conjugated diene compound monomer units is hydrogenated, wherein at least one of the terminal blocks is a polymer block B, the proportion of the terminal polymer block B in the hydrogenated block copolymer being 0.1% by weight or higher and lower than 9.1% by weight, and wherein the content of the vinylaromatic hydrocarbon compound units in the hydrogenated block copolymer is 12% by weight or higher and lower than 25% by weight. Also disclosed are a resin composition containing the hydrogenated block copolymer, and a molded article of the resin composition.

Method for producing hydrogenated conjugated diene copolymer

The present invention relates to a method for producing a hydrogenated conjugated diene copolymer including a polymerization step and a hydrogenation step, wherein in the polymerization step, a conjugated diene copolymer having a high vinyl bond amount of a conjugated diene block moiety and a narrow molecular weight distribution can be produced, and in the hydrogenation step, the rate of hydrogenation is high and productivity is excellent.

CATALYST COMPOSITION FOR HYDROGENATION AND METHOD FOR HYDROGENATION USING THE SAME

Catalyst composition for hydrogenation, method for producing same, hydrogenated polymer and method for producing hydrogenated polymer

The purpose of the present invention is to provide a catalyst composition for hydrogenation, which has high hydrogenation activity; and the present invention provides a catalyst composition for hydrogenation, which contains titanocene dichloride, an organic metal compound containing one or more elements selected from the group consisting of Li, Na, K, Mg, Zn, Al and Ca, an unsaturated compound and a polar compound. This catalyst composition for hydrogenation is configured such that: the content ratio of the unsaturated compound to the titanocene dichloride is from 0.1 to 8.0 (inclusive); and the content ratio of the polar compound to the titanocene dichloride is from 0.01 to 2.0 (inclusive).

CATALYST COMPOSITION FOR HYDROGENATION AND METHOD FOR HYDROGENATION USING THE SAME

Hydrogenated block copolymers for use in resin moulding material(s)

Hydrogenated block copolymers (I), comprising (a) at least two polymer blocks (A) containing mainly vinyl-aromatic hydrocarbon monomer units; and (b) at least two polymer blocks (B) containing mainly hydrogenated conjugated diene units, in which (i) \- 90% of the diene double bonds in the unhydrogenated block (B) are hydrogenated, (ii) at least one of the terminal blocks is a (B) block, (iii) the content of terminal (B) blocks in (I) is \- 0.1 and <= 9.1 wt%, and (iv) the content of vinylaromatic units in (I) is \- 12 and <= 25 wt%. Also claimed are (i) resin compositions (II) containing 1-99 wt.% polyolefin resin and 1-99 wt.% (I); and (ii) moulded products obtained by forming compositions (II) at a temperature which is not below the order-disorder transition point (ODT) of (I).

Method for producing polymer

A method for producing a polymer, which comprises carrying out a polymerization step of polymerizing at least a conjugated diene monomer in a hydrocarbon solvent using an organic lithium compound as a polymerization initiator to produce a polymer and, subsequent to the polymerization step, carrying out steps (1) to (4) as mentioned below sequentially: (1) a step of mixing an acid and 20 to 300 parts by mass of water with 100 parts by mass of a solution containing the polymer; (2) a step of reducing the amount of water to 10 parts by mass or less relative to 100 parts by mass of the solution containing the polymer; (3) a step of adding a carbon dioxide gas and/or a compound capable of decarbonation to the solution containing the polymer; and (4) a step of desolvating the solution containing the polymer until the concentration of the polymer becomes 95 mass% or more.

POLYSTYRENE RESIN SHEET AND FOAMED SHEET

PROBLEM TO BE SOLVED: To provide a polystyrene resin sheet and a foamed sheet having excellent heat-resistance and oil resistance, durable to almost all food materials and usable in a microwave oven. SOLUTION: The polystyrene resin sheet and foamed sheet are produced by forming a resin composition composed of a polystyrene resin and a crystalline polyamide resin and containing a crystallization retarding agent for the crystalline polyamide resin. COPYRIGHT: (C)2002,JPO ...

HYDRIERTES BLOCKCOPOLYMER

Method for Producing Hydrogenated Conjugated Diene Copolymer

The present invention relates to a method for producing a hydrogenated conjugated diene copolymer including a polymerization step and a hydrogenation step, wherein in the polymerization step, a conjugated diene copolymer having a high vinyl bond amount of a conjugated diene block moiety and a narrow molecular weight distribution can be produced, and in the hydrogenation step, the rate of hydrogenation is high and productivity is excellent. 2. The method for producing the hydrogenated conjugated diene copolymer according to claim 1 , wherein in the polymerization step claim 1 , a molar ratio of the alkali metal alkoxide (B) to the ether compound (A) having two or more oxygen atoms is 0.01 or more and 0.1 or less.3. The method for producing the hydrogenated conjugated diene copolymer according to or claim 1 , wherein the ether compound (A) having two or more oxygen atoms is glycol dialkyl ether or 2 claim 1 ,2-bis(2-oxolanyl)propane.4. The method for producing the hydrogenated conjugated diene copolymer according to or claim 1 , wherein an alkali metal of the alkali metal alkoxide (B) is sodium or potassium.5. The method for producing the hydrogenated conjugated diene copolymer according to or claim 1 , wherein in the hydrogenation step claim 1 , a titanocene compound is used as a hydrogenation catalyst. The present invention relates to a method for producing a hydrogenated conjugated diene copolymer.Styrenic block copolymers of conjugated diene monomers and vinyl aromatic monomers have been widely used in the fields of footwear, plastic modifiers, asphalt modifiers, adhesives, and the like, and as packaging materials for home products, household appliances and industrial components, and the like, toys and the like because even when the styrenic block copolymers are not vulcanized, the copolymers have the same elasticity as vulcanized natural rubber and synthetic rubber at room temperature and also have the same excellent processability as thermoplastic resins at high ...

Hydrogenation catalyst composition and hydrogenation method using said hydrogenation catalyst composition

This hydrogenation catalyst composition contains (A) to (D), and has a mass ratio (D)/(A) of 0.01-2.00. (A) is the titanocene compound of formula (1) (R5 and R6 being selected from the group consisting of hydrogen, a hydrocarbon group having 1-12 carbon atoms, an aryloxy group, an alkoxy group, a halogen group, and a carbonyl group; and R1 and R2 being selected from hydrogen and a hydrocarbon group having 1-12 carbon atoms). (B) is a compound containing an element selected from Li, Na, K, Mg, Zn, Al, and Ca. (C) is an unsaturated polymer having a fraction of the amount of olefinic unsaturated double bonds in side chains to the amount of olefinic unsaturated double bonds in the entirety thereof of 0.25-1.0. (D) is a polar compound.

STYRENIC RESIN COMPOSITION HAVING EXCELLENT WEATHERABILITY

PROBLEM TO BE SOLVED: To provide a styrenic resin composition which excels in weatherability, impact resistance, and adhesion to PS and HIPS. SOLUTION: The styrenic thermoplastic resin composition comprises (A) 4-98 pts.wt. styrenic resin, (B) 1-48 pts.wt. ethylenic copolymer, and (C) 1-48 pts.wt. hydrogenated block copolymer. COPYRIGHT: (C)2002,JPO ...

STYRENE RESIN COMPOSITION HAVING EXCELLENT WEATHER RESISTANCE

PROBLEM TO BE SOLVED: To provide a styrene resin composition having well-balanced weather resistance, impact resistance, rigidity and tensile elongation, and excellent in adhesivity to PS and HIPS. SOLUTION: The styrene thermoplastic resin composition is composed of (A) 10-98 pts.wt. of a styrene resin, (B) 1-45 pts.wt. of a thermoplastic elastomer consisting of a partially or totally crosslinked saturated rubbery polymer and a thermoplastic resin, (C) 1-45 pts.wt. of a styrene-based hydrogenated block copolymer having a molecular weight of 100,000-600,000 reduced to styrene and a styrene content of 10-55 wt.% and (D) 0.1-30 pts.wt. (based on 100 pts.wt. of A+B+C) of a process oil. COPYRIGHT: (C)2002,JPO ...

CATALYST COMPOSITION FOR HYDROGENATION, METHOD FOR PRODUCING SAME, HYDROGENATED POLYMER AND METHOD FOR PRODUCING SAME

CATALYST COMPOSITION FOR HYDROGENATION, METHOD FOR PRODUCING SAME, HYDROGENATED POLYMER AND METHOD FOR PRODUCING SAME The present invention, with the purpose of providing a catalyst composition for hydrogenation having high hydrogenation activity, provides a catalyst composition for hydrogenation, comprising: a titanocene dichloride; an organometal compound comprising one or two or more elements selected from the group consisting of Li, Na, K, Mg, Zn, Al and Ca; an unsaturated compound; and a polar compound, wherein a content ratio of the unsaturated compound to the titanocene dichloride is 0.1 or more and 8.0 or less, and a content ratio of the polar compound to the titanocene dichloride is 0.01 or more and 2.0 or less.

Method for manufacturing hydrogenated conjugated diene copolymer

To provide a method for manufacturing a hydrogenated conjugated diene copolymer that can produce a conjugated diene copolymer having a high number of vinyl bonds in a conjugated diene block moiety and a narrow molecular weight distribution in a polymerization step, and a fast hydrogenation rate and excellent productivity in a hydrogenation step. [Solution] A method for manufacturing a hydrogenated conjugated diene copolymer, having a polymerization step for copolymerizing a conjugated diene monomer and a vinyl aromatic monomer using an initiator comprising an organic lithium compound, and a hydrogenation step for hydrogenating the conjugated diene copolymer obtained in the polymerization step. The organic lithium compound, an ether compound having two or more oxygen atoms (A), and an alkali metal alkoxide (B) are jointly present in the molar ratio shown below in the polymerization step. (A)/organic lithium compound ratio is 0.2 or higher and less than 3.0 (B)/organic lithium compound ratio ...

METHOD OF PRODUCING BRANCHED-AND-MODIFIED CONJUGATED DIENE-BASED POLYMER, AND BRANCHED-AND-MODIFIED CONJUGATED DIENE-BASED POLYMER COMPOSITION

PROBLEM TO BE SOLVED: To provide a method of producing a branched-and-modified conjugated diene-based polymer, wherein the method can simultaneously perform the formation of branching and the introduction of a functional group, and can achieve high branching degree and high modification ratio. SOLUTION: The method of producing the branched-and-modified conjugated diene-based polymer includes: a step of polymerizing a conjugated diene-based monomer by using a lanthanum-series metal compound as an initiator to obtain the conjugated diene-based polymer; and a step of reacting the conjugated diene-based polymer with an amino group-containing compound having a specific structure. COPYRIGHT: (C)2012,JPO&INPIT ...

Hydrogenated block copolymer

A hydrogenated block copolymer has at least two polymer blocks A each having an aromatic vinyl hydrocarbon compound monomer unit and at least two hydrogenated polymer blocks B each having a hydrogenated butadiene monomer unit. At least 90% of olefinically unsaturated double bonds in the polymer blocks mainly having a butadiene monomer unit before hydrogenation have been hydrogenated. At least one of the locks at the terminal of the hydrogenated block copolymer is the polymer block B. The proportion of the terminal polymer blocks B in the hydrogenated block copolymer is 0.1 wt % to 9.1 wt %. The proportion of the aromatic vinyl hydrocarbon compound in the hydrogenated block copolymer is 25 wt % to 80 wt %. The 1,2-bond content of the polymer blocks having a butadiene monomer unit before hydrogenation averages 60 mol % to 99 mol %. The resulting resin composition improves the balance among the appearance of its molded article, tensile elongation at break and moldability.

Method of producing hydrogenation catalyst composition and hydrogenation catalyst composition

This method of producing a hydrogenation catalyst composition uses (A) a titanocene compound shown in general formula (1) (In formula (1), R5 and R6 represent groups selected from the set consisting of hydrogen, C1-C12 hydrocarbon groups, aryloxy groups, alkoxy groups, halogen groups, and carbonyl groups, and R5 and R6 may be the same or different. The R1s and R2s represent groups selected from the set consisting of hydrogen and C1-C12 hydrocarbon groups, and the R1s and R2s may be the same or different. However, the R1s and R2s may not all be hydrogens or all be C1-C12 hydrocarbon groups.), (B) a compound containing one or more elements selected from the set consisting of Li, Na, K, Mg, Zn, Al and Ca, and (C) an unsaturated compound, and involves a force applying step for applying a shear force with a shear velocity of at least 1000(1/s) to at least (A), and a step for mixing (A), (B) and (C).

THERMOPLASTIC RESIN COMPOSITION

PURPOSE: To produce a thermoplastic resin composition having low orientation in the dispersed phase in injection molding, hardly causing delamination and good in heat resistance, rigidity and toughness after thermal hysteresis by blending a polyphenylene ether with two specific types of polypropylene-based resins and a hydrogenated block copolymer. CONSTITUTION: This thermoplastic resin composition comprises 100 pts.wt. in total of a blend of (A) 70-10wt.% polyphenylene ether with (B) 30-90wt.% polypropylene-based resin in which the weight ratio of a highly crystalline resin component to a moderately crystalline resin component ranges from (95/5) to (10/90), and (C) 5-30 pts.wt. copolymer obtained by hydrogenating, in a range of 65 to <80%, a copolymer of polymer blocks composed mainly of an aromatic vinyl compound and other polymer blocks composed mainly of a conjugated diene compound having 65-75% contents of 1, 2 or 3,4-vinyl bonds. The ratio of the crystalline phase of homopolypropylene ...

METHOD FOR PRODUCING POLYMER

Catalyst composition for hydrogenation and hydrogenation method using catalyst composition for hydrogenation

A catalyst composition for hydrogenation, which contains components (A)-(D), with the mass ratio ((C)/(A)) being 0.1-4.0 and the mass ratio ((D)/(A)) being 0.01-1.00. (A) a titanocene compound represented by formula (1) (In formula (1), each of R5 and R6 represents one group selected from among a hydrogen atom, a C1-C12 hydrocarbon group, an aryloxy group, an alkoxy group, a halogen group and a carbonyl group; and each of R1 and R2 represents one group selected from among a hydrogen atom and a C1-C12 hydrocarbon group, excluding the cases where both R1 and R2 are hydrogen atoms or C1-C12 hydrocarbon groups.) (B) a reducing agent which is composed of a compound containing an element that is selected from among Li, Na, K, Mg, Zn, Al and Ca (C) an unsaturated compound having a molecular weight of 400 or less (D) a polar compound.

Method for producing polymer

A method for producing a polymer, which comprises carrying out a polymerization step of polymerizing at least a conjugated diene monomer in a hydrocarbon solvent using an organic lithium compound as a polymerization initiator to produce a polymer and, subsequent to the polymerization step, carrying out steps (1) to (4) as mentioned below sequentially: (1) a step of mixing an acid and 20 to 300 parts by mass of water with 100 parts by mass of a solution containing the polymer; (2) a step of reducing the amount of water to 10 parts by mass or less relative to 100 parts by mass of the solution containing the polymer; (3) a step of adding a carbon dioxide gas and/or a compound capable of decarbonation to the solution containing the polymer; and (4) a step of desolvating the solution containing the polymer until the concentration of the polymer becomes 95 mass% or more.

Catalyst composition for hydrogenation and method for hydrogenation using the same

A catalyst composition for hydrogenation including (A) to (D), in which a mass ratio (D)/(A) is 0.01 to 2.00. (A): a titanocene compound represented by following formula (1), (wherein R 5 and R 6 are selected from the group consisting of hydrogen, a hydrocarbon group having 1 to 12 carbon atoms, an aryloxy group, an alkoxy group, a halogen group, and a carbonyl group, and R 1 and R 2 are selected from hydrogen and a hydrocarbon group having 1 to 12 carbon atoms) (B): a compound containing an element selected from Li, Na, K, Mg, Zn, Al, and Ca, (C): an unsaturated polymer having a fraction of an olefinic unsaturated double bond content of side chains based on a total olefinic unsaturated double bond content of 0.25 to 1.0, and (D): a polar compound.

WEATHERABLE IMPACT-RESISTANT STYRENE-BASED RESIN COMPOSITION

PROBLEM TO BE SOLVED: To obtain a resin composition excellent in weatherability and impact resistance using a specific styrene-based resin. SOLUTION: This styrene-based resin composition contains (A) 95-5 pts.wt. of a styrene-based resin having as a comonomer at least one of an acrylic acid alkyl ester monomer and a methacrylic acid alkyl ester monomer and (B) 5-95 pts.wt. of a multicomponent copolymer obtained by graft polymerizing at least one or more monomers selected from the group consisting of a methacrylic acid alkyl ester, an aromatic vinyl and an unsaturated nitrile to an acrylic rubbery polymer composed mainly of an acrylic acid alkyl ester monomer wherein the sum of (A) and (B) components is 100 pts.wt. COPYRIGHT: (C)2003,JPO ...

HEAT-RESISTANT THERMOPLASTIC RUBBER COMPOSITION

PROBLEM TO BE SOLVED: To provide a thermoplastic rubber composition which is excellent in heat resistance, appearance and mechanical strength. SOLUTION: A crosslinked thermoplastic rubber composition comprises a crosslinkable rubber polymer (A) and an olefinic resin (B), wherein the crystallization temperature of (B) in the above composition measured by differential scanning calorimetry (DSC) is in a range of 110-150°C, and the quantity of heat of crystallization of (B) is in a range of 30-200 J/g. COPYRIGHT: (C)2004,JPO ...

CATALYST COMPOSITION FOR HYDROGENATION, METHOD FOR PRODUCING SAME, HYDROGENATED POLYMER AND METHOD FOR PRODUCING SAME

The present invention, with the purpose of providing a catalyst composition for hydrogenation having high hydrogenation activity, provides a catalyst composition for hydrogenation, comprising: a titanocene dichloride; an organometal compound comprising one or two or more elements selected from the group consisting of Li, Na, K, Mg, Zn, Al and Ca; an unsaturated compound; and a polar compound, wherein a content ratio of the unsaturated compound to the titanocene dichloride is 0.1 or more and 8.0 or less, and a content ratio of the polar compound to the titanocene dichloride is 0.01 or more and 2.0 or less. 1. A catalyst composition for hydrogenation comprising:a titanocene dichloride;an organometal compound comprising one or two or more elements selected from the group consisting of Li, Na, K, Mg, Zn, Al, and Ca;an unsaturated compound; anda polar compound,wherein a content ratio of the unsaturated compound to the titanocene dichloride is 0.1 or more and 8.0 or less, anda content ratio of the polar compound to the titanocene dichloride is 0.01 or more and 2.0 or less.2. The catalyst composition for hydrogenation according to claim 1 , wherein a ratio of an olefinically unsaturated double bond content of a side chain comprised in the unsaturated compound to a total olefinically unsaturated double bond content of the unsaturated compound is 0.25 or more and 1.00 or less.3. The catalyst composition for hydrogenation according to claim 1 , wherein the unsaturated compound comprises a molecular weight of 400 or less.4. The catalyst composition for hydrogenation according to claim 1 , wherein the titanocene dichloride comprises a chlorine concentration of 28.29% by mass or more and 28.51% by mass or less.5. The catalyst composition for hydrogenation according to claim 1 , wherein a content of a filtration residue is 0.1% by mass or more and less than 0.6% by mass.6. A method for producing the catalyst composition for hydrogenation according to claim 1 , comprising:a force ...

IMPACT-RESISTANT POLYSTYRENE RESIN

PURPOSE: To obtain the subject resin useful as mechanical parts, etc., having excellent luster, injection moldability, cold flow characteristics, comprising a specific rubber composition and a polystyrene in a specific ratio. CONSTITUTION: The objective resin comprises 2-20wt.% rubber composition consisting of (A) 60-99 pts.wt. high cis-polybutadiene obtained by using a rare earth metal-based catalyst, having physical properties of ≥90wt.% butadiene segment content and (B) 40-1 pts.wt. high trans-polybutadiene obtained by using a rare earth metal-based catalyst, having physical properties of ≥5wt.% crystallinity at 25°C and 98-80wt.% polystyrene. COPYRIGHT: (C)1994,JPO&Japio ...

STYRENE-BASED RESIN COMPOSITION EXCELLENT IN WEATHERABILITY

PROBLEM TO BE SOLVED: To obtain a styrene-based resin composition excellent in weatherability and color development. SOLUTION: This styrene-based resin composition excellent in weatherability comprises 5-95 pts.wt. of (A) a styrene-based resin and 5-95 pts.wt. of (B) an acrylic polymer having a multilayer structure. The styrene-based resin (A) is a copolymer comprising at least a vinyl aromatic compound monomer component and an unsaturated carboxylic acid alkyl ester monomer component. COPYRIGHT: (C)2002,JPO ...

MULTILAYERED MOLDED OBJECT EXCELLENT IN WEATHERABILITY

PROBLEM TO BE SOLVED: To provide a multilayered molded object strongly bonded to a base material and excellent in weatherability. SOLUTION: The multilayered molded object is obtained by bonding a styrenic resin (a), which is reinforced by a diene polymer, becoming a base material and a styrenic resin (b), which is reinforced by a saturated rubbery polymer, becoming an outer surface layer. COPYRIGHT: (C)2002,JPO ...

HYDROGENATED BLOCK COPOLYMER AND ITS COMPOSITION

PROBLEM TO BE SOLVED: To obtain a copolymer having a polymer block which mainly comprises a specific hydrogenated conjugated diene monomer, capable of giving a thermoplastic elastomer excellent in, e.g. resistance to heat, and excellent in, e.g. resistance to shock. SOLUTION: This copolymer is composed of a polymer block A mainly composed of at least 2 vinyl aromatic hydrocarbon monomer units, and a polymer block B mainly composed of at least 2 hydrogenated conjugated diene compound monomer units, at least 90% of the olefinic unsaturated double bonds present in the unhydrogenated polymer block mainly composed of conjugated diene compound monomer units being hydrogenated, wherein at least one of the terminal blocks is the polymer block B, the polymer block B accounts for 0.1 to 9.1 wt.% of the hydrogenated block copolymer, and 12 to 25% of the vinyl aromatic hydrocarbon compounds are bound in the hydrogenated block copolymer. COPYRIGHT: (C)1999,JPO ...

CATALYST COMPOSITION FOR HYDROGENATION AND METHOD FOR HYDROGENATION USING THE SAME

A catalyst composition for hydrogenation including (A) to (D), in which a mass ratio (D)/(A) is 0.01 to 2.00. 2. The catalyst composition according to claim 1 , wherein a mass ratio of the compound (C) to the compound (A) (the compound (C)/the compound (A)) is in a range of 0.3 to 8.0.3. The catalyst composition according to claim 1 , wherein the compound (C) is an unsaturated polymer having a fraction of the olefinic unsaturated double bond content of the side chains based on the total olefinic unsaturated double bond content of 0.40 to 1.0.4. The catalyst composition according to claim 1 , wherein a total olefinic unsaturated double bond of the side chains of the compound (C) based on 1 mol of the compound (A) is 0.3 mol or more to 30 mol or less.5. The catalyst composition according to claim 1 , wherein the compound (B) is an organic lithium compound.6. A method of hydrogenating a compound claim 1 , comprising bringing an olefinic unsaturated double bond-containing compound into contact with hydrogen in an inert organic solvent claim 1 , in the presence of the catalyst composition according to .7. The method according to claim 6 , wherein the olefinic unsaturated double bond-containing compound is a conjugated diene polymer claim 6 , or a copolymer formed of a conjugated diene and a vinyl aromatic hydrocarbon.8. The catalyst composition according to claim 2 , wherein the compound (C) is an unsaturated polymer having a fraction of the olefinic unsaturated double bond content of the side chains based on the total olefinic unsaturated double bond content of 0.40 to 1.0.9. The catalyst composition according to claim 8 , wherein the compound (B) is an organic lithium compound.10. The catalyst composition according to claim 1 , wherein the compound (A) is selected from the group consisting of bis(η(5)-methylcyclopentadienyl)titanium dichloride claim 1 , bis(η(5)-n-butylcyclopentadienyl)titanium dichloride claim 1 , bis(η(5)-methylcyclopentadienyl)titanium diphenyl ...

CATALYST COMPOSITION FOR HYDROGENATION AND METHOD FOR HYDROGENATION USING THE SAME

A catalyst composition for hydrogenation including (A) to (D), in which a mass ratio ((C)/(A)) is 0.1 to 4.0 and a mass ratio ((D)/(A)) is 0.01 to 1.00, 2. The catalyst composition for hydrogcnation claim 1 , according to claim 1 , wherein the compound (C) has an unsaturated group content of 2 mol or more based on 1 mol of the compound (C).3. The catalyst composition for hydrogcnation claim 1 , according to claim 1 , wherein the compound (B) is an organic lithium compound.4. A method of hydrogenating a compound claim 1 , comprising bringing an olefinic unsaturated double bond-containing compound into contact with hydrogen in an inert organic solvent claim 1 , in the presence of the catalyst composition according to .5. The method claim 4 , according to claim 4 , wherein the olefinic unsaturated double bond-containing compound is a conjugated diene polymer or a copolymer formed of a conjugated diene and a vinyl aromatic hydrocarbon.6. The catalyst composition according to claim 2 , wherein the compound (B) is an organic lithium compound.7. The catalyst composition according to claim 1 , wherein the compound (A) is selected from the group consisting of bis(η(5)-methylcyclopentadienyl)titanium dichloride claim 1 , bis(η(5)-n-butylcyclopentadienyl)titanium dichloride claim 1 , bis(η(5)-methylcyclopentadienyl)titanium diphenyl claim 1 , bis(η(5)-n-butylcyclopentadienyl)titanium diphenyl claim 1 , bis(η(5)-methylcyclopentadienyl)titanium di(p-tolyl) and bis(η(5)-n-butylcyclopentadienyl)titanium di(p-tolyl).8. The catalyst composition according to claim 1 , wherein the compound (A) is selected from the group consisting of bis(η(5)-cyclopentadienyl)titanium di(p-tolyl) claim 1 , bis(η(5)-cyclopentadienyl)titanium di(phenyl) claim 1 , bis(η(5)-cyclopentadienyl)titanium di(3 claim 1 ,4-xylyl) and bis(η(5)-1 claim 1 ,3-dimethylcyclopentadienyl)titanium dichloride.9. The catalyst composition according to claim 1 , wherein the compound (B) is triethylaluminum or sec-butyllithium ...

METHOD FOR PRODUCING CATALYST COMPOSITION FOR HYDROGENATION AND CATALYST COMPOSITION FOR HYDROGENATION

A method for producing a catalyst composition for hydrogenation, wherein: 2. The method of producing the catalyst composition for hydrogenation according to claim 1 , wherein the (C) is an unsaturated polymer (C1) having a fraction of an olefinic unsaturated double bond content of the side chains based on a total olefinic unsaturated double bond content of 0.25 to 1.0.3. The method of producing the catalyst composition for hydrogenation according to claim 1 , wherein the (C) is an unsaturated compound (C2) having a molecular weight of 400 or less.4. The method of producing the catalyst composition for hydrogenation according to claim 1 , wherein a mass ratio of the (C) to the (A) ((C)/(A)) is set in a range of 0.1 to 8.5. The method of producing the catalyst composition for hydrogenation according to claim 1 , wherein a mass ratio of the (C) to the (A) ((C)/(A)) is set in a range of 0.1 to 4.6. The method of producing the catalyst composition for hydrogenation according to claim 1 , whereinthe (C) is an unsaturated polymer (C1) having a fraction of an olefinic unsaturated double bond content of the side chains based on an olefinic unsaturated double bond content of 0.25 to 1.0, anda mass ratio of the (C1) to the (A) ((C1)/(A)) is set in a range of 0.3 to 8.7. The method of producing the catalyst composition for hydrogenation according to comprising:the step of mixing the (A) and the (B) after the force application step.8. The method of producing the catalyst composition for hydrogenation according to :the step of mixing after the (B) is added to a mixture of the (A) and the (C), after the force application step.9. The method of producing the catalyst composition for hydrogenation according to comprising:the step of mixing the (A), the (B), and the (C) after the (B) is added to the mixture of the (A) and the (C), after or during the force application step of applying a shearing force at a shearing rate of 1000 (1/s) or more to a mixture of the (A) and the (C).10. The ...

Method for Producing Polymer

A method for producing a polymer has: a polymerization step of polymerizing at least a conjugated diene monomer in a hydrocarbon solvent using an organolithium compound as a polymerization initiator, and obtaining a polymer; and, following steps (1) to (4), successively performing after the polymerization step: (1) a step of mixing an acid and water of 20 to 300 parts by mass into the solution containing the polymer of 100 parts by mass, (2) a step of adjusting an amount of the water to 10 parts by mass or less based on 100 parts by mass of the solution containing the polymer, (3) a step of adding a carbon oxide gas and/or a compound to be decarboxylated to the solution containing the polymer, and (4) a step of removing a solvent from the solution containing the polymer until a concentration of the polymer reaches 95 mass % or more. 1. A method for producing a polymer comprising: a polymerization step of polymerizing at least a conjugated diene monomer in a hydrocarbon solvent using an organolithium compound as a polymerization initiator , and obtaining a polymer; and , following steps (1) to (4) , successively performing after the polymerization step:(1) a step of mixing an acid and water of 20 to 300 parts by mass into the solution containing the polymer of 100 parts by mass,(2) a step of adjusting an amount of the water to 10 parts by mass or less based on 100 parts by mass of the solution containing the polymer,(3) a step of adding a carbon oxide gas and/or a compound to be decarboxylated to the solution containing the polymer, and(4) a step of removing a solvent from the solution containing the polymer until a concentration of the polymer reaches 95 mass % or more.2. The method for producing the polymer according to claim 1 , wherein the solution containing the polymer contains a titanium compound and a lithium compound.3. The method for producing the polymer according to claim 2 , wherein a molar ratio of titanium in the titanium compound to the acid mixed in ...

Catalyst composition for hydrogenation and hydrogenation method using catalyst composition for hydrogenation

A catalyst composition for hydrogenation including (A) to (D), in which a mass ratio ((C)/(A)) is 0.1 to 4.0 and a mass ratio ((D)/(A)) is 0.01 to 1.00, (A): a titanocene compound represented by formula (1), (wherein R 5 and R 6 are any group selected from hydrogen, a hydrocarbon group having 1 to 12 carbon atoms, an aryloxy group, an alkoxy group, a halogen group, and a carbonyl group. R 1 and R 2 are any group selected from the group consisting of hydrogen and a hydrocarbon group having 1 to 12 carbon atoms, and R 1 and R 2 are not all hydrogen atoms or all a hydrocarbon group having 1 to 12 carbon atoms), (B): a reductant formed from a compound containing an element selected from the elements Li, Na, K, Mg, Zn, Al, and Ca, (C): an unsaturated compound having a molecular weight of 400 or less, and (D): a polar compound.

Method for producing polymer

Catalyst composition for hydrogenation, method for producing same, hydrogenated polymer and method for producing hydrogenated polymer

Hydrogenation catalyst composition and hydrogenation method using said hydrogenation catalyst composition

A catalyst composition for hydrogenation including (A) to (D), in which a mass ratio (D) / (A) is 0.01 to 2.00. (A): a titanocene compound represented by following formula (1), (wherein R 5 and R 6 are selected from the group consisting of hydrogen, a hydrocarbon group having 1 to 12 carbon atoms, an aryloxy group, an alkoxy group, a halogen group, and a carbonyl group, and R 1 and R 2 are selected from hydrogen and a hydrocarbon group having 1 to 12 carbon atoms) (B): a compound containing an element selected from Li, Na, K, Mg, Zn, Al, and Ca, (C): an unsaturated polymer having a fraction of an olefinic unsaturated double bond content of side chains based on a total olefinic unsaturated double bond content of 0.25 to 1.0, and (D): a polar compound.

Hydrogenated block copolymer

A hydrogenated block copolymer which comprises at least two polymer blocks A each mainly comprising an aromatic vinyl hydrocarbon compound monomer unit and at least two hydrogenated polymer blocks B each mainly comprising a hydrogenated butadiene monomer unit, at least 90% of olefinically unsaturated double bonds in the polymer blocks mainly comprising a butadiene monomer unit before hydrogenation having been hydrogenated, wherein at least one of the block at the terminal of the hydrogenated block copolymer is the polymer block B, wherein the proportion of the terminal polymer blocks B in the hydrogenated block copolymer is at least 0.1 wt% but less than 9.1 wt%, wherein the proportion of the aromatic vinyl hydrocarbon compound in the hydrogenated block copolymer is at least 25 wt% but less than 80 wt%, and wherein the 1,2-bond content of the polymer blocks mainly comprising a butadiene monomer unit before hydrogenation is, on average, at least 60 mol% but less than 99 mol%. By the incorporation of such a hydrogenated block copolymer having a specific structure to an alloy of a polypropylene resin with a polyphenylene ether resin or a polystyrene resin, the resulting resin composition is improved in the balance among the appearance of its molded article, tensile elongation at break and moldability and, in addition, has characteristics of both the polypropylene resin and the polyphenylene ether resin or polystyrene resin in combination.

変性共役ジエン系重合体、それを含む靴用ゴム組成物、及びアウトソール

【課題】引張強度に優れ、且つ、グリップ性と耐摩耗性のバランスに優れる変性共役ジエン系重合体、靴用ゴム組成物、及びアウトソールを提供することを目的とする。【解決手段】下記のＩ）～Ｖ）の条件を満たす、変性共役ジエン系重合体。Ｉ）ガラス転移温度が－８０℃～－３０℃II）１，２－ビニル結合量が１３ｍｏｌ％～３０ｍｏｌ％III）ＪＩＳ Ｋ６３００（ＩＳＯ ２８９－１）の条件で測定をしたムーニー粘度が３０～７０IV）変性率が、３０質量％以上Ｖ）結合芳香族ビニルの量が４０質量％以下【選択図】なし

熱可塑性エラストマーペレットの製造方法

【課題】ブロッキング防止効果に優れ、良好な状態に造粒された熱可塑性エラストマーペレットを得る。【解決手段】ビニル芳香族炭化水素単量体単位と共役ジエン単量体単位とを含む重合体又はその水添物である熱可塑性エラストマーペレットの製造方法であって、（１）熱可塑性エラストマーをホットカットする工程と、（２）熱可塑性エラストマー１００質量部にブロッキング防止剤Ａを０．００１〜０．５質量部、添加する工程と、（３）熱可塑性エラストマーを解砕する工程と、（４）熱可塑性エラストマーを乾燥する工程と、（５）熱可塑性エラストマー１００質量部に、ブロッキング防止剤Ｂを０．０１〜２．０質量部、添加する工程と、を、有する、熱可塑性エラストマーペレットの製造方法。【選択図】なし