Patent application number | Description | Published |
20090076195 | RESIN COMPOSITION, PROCESS FOR PRODUCING THE SAME AND MOLDING OF THE RESIN COMPOSITION - The present invention provides a resin composition including 100 parts by mass of a resin component containing to 99 mass % of a thermoplastic resin (A) and 20 to 1 mass % of a side-chain crystalline polymer (B), and 0.1 to 30 parts by mass of carbon nanotube (C). The composition has a stabilized thermoplastic resin/side-chain crystalline polymer phase structure, is free from laminar peeling, and is excellent in conductive (antistatic) property, solvent resistance, flow characteristics, flame retardancy, impact resistance, molding appearance, etc. | 03-19-2009 |
20090082532 | MODIFIED ALPHA-OLEFIN POLYMER AND PROCESS FOR PRODUCTION OF CROSS-LINKED PRODUCT THEREOF - The present invention provides a modified α-olefin polymer obtained by reacting (i) an α-olefin polymer obtained by homopolymerization or copolymerization of one kind or two kinds or more of an α-olefin having 3 or more carbon atoms and having (1) a mesopentad fraction of 40 to 75 mol % or a stereo-regularity index M4 of 75 mol % or less, (2) a molecular weight distribution converted to polystyrene equivalent of 3.0 or less determined by a GPC method and (3) an intrinsic viscosity [η] (in tetralin, at 135° C.) of 0.01 to 5.0 dL/g, (ii) a radical initiator and (iii) a monomer having a silane group and an ethylenic unsaturated group or silane coupling agent as well as a process for production of a cross-linked product of the modified α-olefin polymer. The modified α-olefin polymer in the present invention has appropriate molecular weight distribution and composition distribution, is good in low temperature coating performance required for a reactive hot melt adhesive because of low melting temperature, has high reactivity, compatibility and adhesiveness as compared to conventional unmodified α-olefin polymers, and also it generates no decomposed gas because of a polyolefin-based material and has good adhesiveness to polyolefins. | 03-26-2009 |
20090240016 | HIGHLY CRYSTALLINE HIGHER ALPHA-OLEFIN POLYMER AND PROCESS FOR PRODUCTION THEREOF - A highly crystalline higher α-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 α-olefin polymer is obtained by polymerizing a monomer containing 80% by mol or more of a higher α-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. (2) Standards weight average molecular weight (Mw) measured by a gel permeation chromatography (GPC) based on polystyrene is from 1,000 to 5,000,000, and the molecular weight distribution (Mw/Mn) measured thereby is 5.0 or less. | 09-24-2009 |
20100036066 | ALPHA-OLEFIN POLYMER AND PROCESS FOR PRODUCTION THEREOF - Provided is an α-olefin polymer having an excellent balance between a molecular weight and a melting point, which is a polymer of one or more kinds of α-olefins having 20 to 40 carbon atoms, and which meets the following requirements (1) to (4): (1) the α-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 α-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 α-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≦0.0025×Mw+((Cn+1)×3.3812−29.5); and (4) a stereoregularity index [M | 02-11-2010 |
20100076146 | GRAFT COPOLYMER, THERMOPLASTIC RESIN COMPOSITION COMPRISING THE GRAFT COPOLYMER, AND THOSE PRODUCTION METHOD - Provided is a production process for a graft copolymer or a thermoplastic resin composition containing the above graft copolymer, which comprises graft-polymerizing 100 parts by mass of a combination of 20 to 100% by mass of a reactive polyolefin and 0 to 80% by mass of a polyolefin other than the reactive polyolefin with 0.2 to 300 parts by mass of at least one specific monomer under the presence of a radical initiator and which is useful as a sealant, a modifier for polyolefins, a surface treating agent, a primer treating agent, a coating agent component and the like. | 03-25-2010 |
20100324242 | HIGHLY PURE, TERMINAL-UNSATURATED OLEFIN POLYMER AND PROCESS FOR PRODUCTION THEREOF - Provided are a highly-pure, terminal-unsaturated olefin polymer which is produced through homopolymerization or copolymerization of one or more α-olefins having from 3 to 28 carbon atoms, or copolymerization of at least one α-olefin having from 3 to 28 carbon atoms and ethylene, in the presence of a catalyst, and which satisfies the following (1) to (4); and a method of efficiently producing the olefin polymer having a high degree of terminal unsaturation degree and containing little catalyst residue.
| 12-23-2010 |
20110015338 | POLYOLEFIN GRAFT COPOLYMER AND ADHESIVE COMPOSITION - A graft copolymer is provided that is useful as an adhesive composition that is excellent in adhesion strength between polyolefins and between a polyolefin and another member (for example, a metal, a resin, and an inorganic material, such as glass), is excellent in flowability at a low temperature and in melting property in a low temperature range, and is excellent in heat resistance after adhesion, i.e., a graft copolymer satisfying the following items (a) to (e): | 01-20-2011 |
20110104503 | AQUEOUS DISPERSION CONTAINING POLYOLEFIN GRAFT COPOLYMER - According to the present invention, an aqueous dispersion containing a graft copolymer satisfying (a) to (e) shown below and water is provided, and it is an aqueous dispersion containing a graft copolymer which shows an excellent dispersibility even in a state of reducing a surfactant and which is excellent in an affinity with a binder resin, a pigment and the like: | 05-05-2011 |
20110305983 | Release Agent for Toner, and Toner - The objectives of the present invention are attained with a release agent for toner that is obtained by grafting styrene compounds to an α-olefin polymer that conforms to the following conditions (a) and (b), wherein 70 mass % or more of the release agent is insoluble in 2-butanone when the release agent is dispersed at 25° C. into 2-butanone so that the mass ratio of the release agent to the dispersion is 15%. (a) The α-olefin polymer is to be produced by polymerization of at least one α-olefin monomer that has 16 or more to 36 or less carbon atoms. (b) The α-olefin polymer is to have a melting point between 30° C. or higher and 80° C. or lower, and has one peak temperature whose peak has the half-height width of 15° C. or less in a measurement of the melting behavior of the α-olefin polymer by means of differential scanning calorimetry. | 12-15-2011 |
20120129683 | POLYMERIZATION CATALYSTS AND METHOD FOR PRESERVATION OF SAME - 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 α-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. | 05-24-2012 |
20130102745 | CATALYST COMPOSITION AND PROCESS FOR PRODUCTION OF OLEFIN POLYMERS USING THE CATALYST COMPOSITION - 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. | 04-25-2013 |
20140194637 | A-OLEFIN OLIGOMER AND PRODUCTION METHOD THEREOF - An α-olefin oligomer having the following features (1) to (6), and a method for producing the α-olefin oligomer using a particular double-crosslinked meso complex provide an α-olefin oligomer that contains a smaller amount of a dimer component while having a low viscosity, not in accordance with the Schulz-Flory distribution, and a method for producing the same:
| 07-10-2014 |