Abstract: A silane-containing compound having a cyclic structure in a molecular structure; a modified hydrogenated petroleum resin in which a bromine value, a silicon element content, a weight average molecular weight, and a molecular weight distribution are specific values; a modified hydrogenated petroleum resin obtained by subjecting the modified hydrogenated petroleum resin to a condensation reaction; an adhesive composition including the modified hydrogenated petroleum resin; an asphalt composition containing the silane-containing compound or the modified hydrogenated petroleum resin.

Abstract: The present invention relates to a thermoplastic resin composition containing a base polymer containing a propylene-based polymer (A) in which a melting endotherm (?H-D) is 0 J/g or more and 60 J/g or less, and a melting point (Tm-D) is not observed or is 0° C. or higher and 120° C. or lower; and a propylene-based polymer (C) in which a melting endotherm (?H-D) is 20 J/g or more and 120 J/g or less, and a melting point (Tm-D) is higher than 120° C., the content of the propylene-based polymer (C) being 0.5 parts by mass or more and 100 parts by mass or less relative to 100 parts by mass of the content of the propylene-based polymer (A).

Abstract: A polypropylene-based adhesive containing a polypropylene-based resin (A?) prepared by reducing the weight-average molecular weight of a polypropylene-based resin (A) by decomposition, in which the melting endotherm (?H-D) of the polypropylene-based resin (A) is 0 J/g or more and 80 J/g or less, as obtained from a melting endothermic curve drawn by holding a sample at ?10° C. for 5 minutes in a nitrogen atmosphere followed by heating it at 10° C./min using a differential scanning calorimeter (DSC).

Abstract: A polypropylene-based resin composition containing a polypropylene-based resin (A) which has a melting endotherm (?H-D) of 0 J/g or more and 40 J/g or less and which does not exhibit an observable melting point (Tm-D) or has a melting point (Tm-D) of 0° C. or higher and lower than 90° C., and a polypropylene-based resin (B) which has a melting endotherm (?H-D) of more than 40 J/g and 125 J/g or less.

Abstract: A resin composition containing at least one selected from the group consisting of an amorphous polyolefin resin (A-1) having a melt endotherm (?H-D) of less than 3 Jig and a high-viscosity oil (A-2), and a polypropylene resin (B) having a melt endotherm (?H-D) of 3 to 80 J/g, wherein, relative to the total amount 100% by mass of the the amorphous polyolefin resin (A-1), the high-viscosity oil (A-2) and the polypropylene resin (B), the total of the amorphous polyolefin resin (A-1) and the high-viscosity oil (A-2) is 5.0 to 99.5% by mass, and the amount of the polypropylene resin (B) is 0.5 to 95.0% by mass.

Abstract: A polypropylene-based resin composition containing a polypropylene-based resin (A) which has a melting endotherm (?H-D) of 0 J/g or more and 40 J/g or less and which does not exhibit an observable melting point (Tm-D) or has a melting point (Tm-D) of 0° C. or higher and lower than 90° C., and a polypropylene-based resin (B) which has a melting endotherm (?H-D) of more than 40 J/g and 125 J/g or less.

Abstract: Provided is a crimped fiber constituted of the following first component and second component, wherein the first component is a propylene-based resin composition containing a propylene-based polymer (1-A) in which a melting point (Tm?D) obtained under a specified condition exceeds 120° C. and a propylene-based polymer (1-B) satisfying the conditions that (a) a weight average molecular weight (Mw) is 10,000 to 200,000, (b) a molecular weight distribution (Mw/Mn) is less than 4.0, and (c) a melting point (Tm?D) obtained under a specified condition is 0 to 120° C.; and the second component is a propylene-based polymer (2) in which a melt flow rate (MFR) under the foregoing measurement condition is 1 g/10 min or more and 2,000 g/10 min or less, and a melting point (Tm?D) observed under the foregoing measurement condition by using a differential scanning calorimeter (DSC) exceeds 120° C., or a propylene-based resin composition containing the propylene-based polymer (2).

Abstract: Provided are an adhesive composition which has high holding strength and leaves no residual glue by using a polyolefinic polymer, and an adhesive tape using the same. A polyolefin which satisfies the following conditions (a-1), (b1), and (b2):(a-1) the relationship between the limiting viscosity and the stereoregularity is represented by the formula (i): ?20×?+56?mmmm??20×?+64 (wherein ? represents the limiting viscosity measured in tetralin at 135° C., and mmmm represents the meso pentad fraction (mol %)); (b1) the meso pentad fraction (mmmm) is from 20 to 60 mol %; and (b2) the limiting viscosity [?] measured in tetralin at 135° C. is from 0.01 to 2.0 dL/g.

Abstract: Provided are an adhesive composition which has high adhesive strength and holding strength and leaves no residual glue by using a polyolefinic polymer, and an adhesive tape using the same. The adhesive composition contains (1) 5 to 95% by mass of a polyolefin having a melting point which is lower than 20° C. or is not observed by a differential scanning calorimeter (DSC) and having a ?H of less than 5 J/g, and (2) 5 to 95% by mass of a polyolefin having a melting point of 20° C. or higher and 160° C. or lower and having a ?H of 5 J/g or more and 100 J/g or less, wherein the storage elastic modulus of the composition at 25° C. obtained from the solid viscoelasticity measurement of the composition is 1 MPa or more and 200 MPa or less, and the storage elastic modulus thereof at 50° C. is 1 MPa or more and 100 MPa or less.

Abstract: Provided are an adhesive composition which has high holding strength and leaves no residual glue by using a polyolefinic polymer, and an adhesive tape using the same. A polyolefin which satisfies the following conditions (a-1), (b1), and (b2):(a-1) the relationship between the limiting viscosity and the stereoregularity is represented by the formula (i): ?20×?+56?mmmm??20×?+64 (wherein ? represents the limiting viscosity measured in tetralin at 135° C., and mmmm represents the meso pentad fraction (mol %)); (b1) the meso pentad fraction (mmmm) is from 20 to 60 mol %; and (b2) the limiting viscosity [?] measured in tetralin at 135° C. is from 0.01 to 2.0 dL/g.

Abstract: A functionalized ?-olefin polymer having an ?-olefin polymer main chain and an alkoxysilyl group and satisfying the following (a) to (d): (a) The meso-pentad fraction [mmmm] is less than 20 mol %, or the meso-diad fraction [m] is less than 95 mol %. (b) The weight-average molecular weight (Mw) is from 1,000 to 500,000. (c) The alkoxysilyl group concentration in all the monomer units is from 0.01 to 50 mol %. (d) The ?-olefin polymer is a propylene homopolymer, a 1-butene homopolymer or a propylene-1-butene copolymer.

Abstract: The invention provides a polymerization catalyst produced by bringing components (A) to (D) into contact with one another in a hydrocarbon solvent at 30 to 60° C., wherein the component (A) is a transition metal compound, the component (B) is a solid boron compound capable of forming an ion pair with component (A), the component (C) is an organoaluminum compound, and the component (D) is one or more unsaturated hydrocarbon compounds selected from among an ?-olefin, an internal olefin, and a polyene; and the amounts of component (B) and component (C) are 1.2 to 4.0 mol and 5.0 to 50.0 mol, respectively, on the basis of 1 mol of component (A), which catalyst exhibits high activity and can be readily supplied to a polymerization reaction system. The invention also provides a method of storing the polymerization catalyst at 0 to 35° C.

Abstract: An ?-olefin polymer satisfying the following (1) to (4): (1) the average carbon-atom number of ?-olefins constituting the polymer is 6.0 or more and 14 or less; (2) the molecular weight distribution (Mw/Mn)?2.0; (3) 3000?weight average molecular weight (Mw)?600000; and (4) (Log10 Mp-Log10M1)?(Log10M2-Log10Mp)?0.2; wherein, in a chart measured by gel permeation chromatography, M1 is the molecular weight at the starting point of the peak, Mp is the molecular weight at the peak top; and M2 is the molecular weight at the end point of the peak.

Abstract: A highly crystalline higher ?-olefin polymer that is excellent in compatibility with a thermoplastic resin, particularly a polyolefin, compatibility with a lubricant oil, a fuel oil and wax, mixing property with an inorganic filler, and secondary working property, and a process for production thereof are provided. The highly crystalline higher ?-olefin polymer is obtained by polymerizing a monomer containing 80% by mol or more of a higher ?-olefin having from 22 to 40 carbon atoms, and satisfies the following items (1) and (2). (1) The melting point (Tm), which is observed, by using a differential scanning calorimeter (DSC), from a melting endothermic curve obtained by maintaining a specimen at 190° C. for 5 minutes under a nitrogen atmosphere, cooling the specimen to ?10° C. at a rate of 5° C./min, maintaining at ?10° C. for 5 minutes, and then elevating a temperature thereof to 190° C. at a rate of 10° C./min, is from 55 to 100° C.

Abstract: The present invention provides a catalyst composition and a method for producing an olefin polymer using the catalyst composition. The catalyst composition is prepared by bringing (A) a transition metal compound, (B) a solid boron compound capable of forming an ion pair with the component (A), (C) an organometallic compound and (D) a compound represented by the following general formula (XIV) and/or the following general formula (XV) into contact with each other in a hydrocarbon solvent, and enables a high catalyst concentration. Z5R14R15??(XIV) Z6R14R15R16??(XV) [In the formulae, Z5 represents an oxygen atom, etc.; Z6 represents a nitrogen atom, etc.; R14 to R16 each independently represent an organic group, and at least one of those organic groups is an organic group having at least 3 carbon atoms, and R14 to R16 may bond to each other to form a ring.

Abstract: The invention provides a polymerization catalyst produced by bringing components (A) to (D) into contact with one another in a hydrocarbon solvent at 30 to 60° C., wherein the component (A) is a transition metal compound, the component (B) is a solid boron compound capable of forming an ion pair with component (A), the component (C) is an organoaluminum compound, and the component (D) is one or more unsaturated hydrocarbon compounds selected from among an ?-olefin, an internal olefin, and a polyene; and the amounts of component (B) and component (C) are 1.2 to 4.0 mol and 5.0 to 50.0 mol, respectively, on the basis of 1 mol of component (A), which catalyst exhibits high activity and can be readily supplied to a polymerization reaction system. The invention also provides a method of storing the polymerization catalyst at 0 to 35° C.

Abstract: Provided is an ?-olefin polymer having an excellent balance between a molecular weight and a melting point, which is a polymer of one or more kinds of ?-olefins having 20 to 40 carbon atoms, and which meets the following requirements (1) to (4): (1) the ?-olefin polymer has a molecular weight distribution (Mw/Mn) determined from its weight average molecular weight (Mw) and number average molecular weight (Mn) in terms of polystyrene measured by a GPC method of 2 or less, and has an Mw of 5,000 or less; (2) measurement of a melting point (Tm) of the ?-olefin polymer with DSC shows one melting peak, a melting heat absorption (AH) calculated from an area of the melting peak is 20 J/g or more, and the melting peak has a half value width of 10° C. or less; (3) when the Mw falls within a range of 1,000 to 5,000 and an average number of carbon atoms (Cn) of the ?-olefins falls within a range of 20 to 40, the Mw, the Cn, and the Tm measured with the DSC satisfy the relationship, 0.0025×Mw+(Cn×3.3812?29.5)?Tm?0.

Abstract: A 1-butene polymer satisfying the following (1), (2) and either (3) or (3?): a process for producing the polymer; a resin modifier comprising the polymer; and a hot-melt adhesive containing the polymer. (1) The intrinsic viscosity [?] as measured in tetralin solvent at 135° C. is 0.01 to 0.5 dL/g. (2) The polymer is a crystalline resin having a melting point (Tm-D) of 0 to 100° C., the melting point being defined as the top of the peak observed on the highest-temperature side in a melting endothermic curve obtained with a differential scanning calorimeter (DSC) in a test in which a sample is held in a nitrogen atmosphere at ?10° C. for 5 min and then heated at a rate of 10° C./min. (3) The stereoregularity index {(mmmm)/(mmrr+rmmr)} is 30 or lower. (3?) The mesopentad content (mmmm) determined from a nuclear magnetic resonance (NMR) spectrum is 68 to 73%.

Abstract: A water dispersible resin composition capable of forming a flat and smooth coating film with a solidified surface upon application to a base material and excellent in storage stability is provided. It is a water dispersible resin composition comprising 0.01 to 5 parts by mass of a surfactant (C) relative to 100 parts by mass of a combination of 5 to 70% by mass of a side-chain crystalline resin (A) with 95 to 30% by mass of water (B) as well as a water dispersible polyolefin-based resin composition comprising a combination of 5 to 80% by mass of a modified side-chain crystalline polyolefin-based resin with 95 to 20% by mass of water, in which for example, a side-chain crystalline olefin-based polymer (G) obtained by polymerization of one kind or more of higher ?-olefins having 10 or more carbon atoms is modified with a radical initiator and an organic acid, organic acid anhydride or organic acid ester.

Abstract: Provided is a water dispersible polyolefin resin composition which is capable of forming a coating film having a smooth solidified surface when applied onto a substrate and which has excellent storage stability. The water dispersible polyolefin resin composition contains (C) a surfactant, (D) a water-soluble polymeric compound and (E) a water-insoluble organic solvent in amounts of 0.01 to 1.00 part by mass, 0.01 to 1.00 part by mass and 2 to 200 parts by mass, respectively, per 100 parts by mass of a combination of 5 to 70% by mass of (A) a poly(1-butene) resin having (i) a mesopentad fraction [mmmm] of 20 to 80 mole % and (ii) a weight average molecular weight (Mw) measured by gel permeation chromatography (GPC) of 10,000 to 1,000,000 or 5 to 70% by mass of (A?) polypropylene resin having (i) a mesopentad fraction [mmmm] of 20 to 60 mole % and (ii) an intrinsic viscosity [?] measured at 135° C. in tetralin of 0.1 to 15 dl/g with 95 to 30% by mass of (B) water.