| UBE MATERIAL INDUSTRIES, LTD. Patent applications |
| Patent application number | Title | Published |
| 20120029123 | Fibrous Basic Magnesium Sulfate-Containing Pellets and Production of Molded Propylene Polymer Products - Fibrous basic magnesium sulfate-containing pellets comprising an olefin polymer and fibrous basic magnesium sulfate in a weight ratio of 80:20 to 20:80 and further comprising a nucleating agent in an amount of 0.3 to 8 weight parts based on 100 weight parts of the olefin polymer and in an amount of 0.2 to 4 weight parts based on 100 weight parts of the fibrous basic magnesium sulfate are favorably employable for producing molded fibrous basic magnesium sulfate-containing propylene polymer products which show high flexural modulus, high flexural strength and high yield strength in tension as well as excellent thermal stability. | 02-02-2012 |
| 20110275745 | MODIFIED MAGNESIUM OXYSULFATE FIBROUS PARTICLES AND POLYOLEFIN COMPOSITION CONTAINING THE SAME - A modified magnesium oxysulfate fibrous particles in which the magnesium oxysulfate fibrous particles are treated on their surfaces with a nucleating agent such as a phosphoric acid compound, an organic acid compound or a sorbitol compound can be favorably employed as fillers for polyolefin composition. | 11-10-2011 |
| 20110237709 | PRODUCTION OF MOLDED FIBROUS BASIC MAGNESIUM SULFATE FILLER-CONTAINING OLEFIN POLYMER COMPOSITION PRODUCTS - A molded fibrous basic magnesium sulfate filler-containing olefin polymer composition product is produced by a process comprising the steps of preparing a fibrous basic magnesium sulfate filler-containing master batch composition which comprises an olefin polymer, a fibrous basic magnesium sulfate filler, an elastomer, a fatty acid metal salt and a hydrocarbon or silicone oil or a hydrocarbon or silicone wax; mixing the master batch composition and a propylene polymer-containing diluent resin; kneading the resulting mixture in a molten state; and molding the molten mixture to give the molded product. | 09-29-2011 |
| 20110230608 | PRODUCTION OF MOLDED FIBROUS BASIC MAGNESIUM SULFATE FILLER-CONTAINING OLEFIN POLYMER COMPOSITION PRODUCTS - A molded fibrous basic magnesium sulfate filler-containing olefin polymer composition product is produced by a process comprising the steps of preparing a fibrous basic magnesium sulfate tiller-containing master batch composition which comprises an olefin polymer, a fibrous basic magnesium sulfate filler, an elastomer, a specific lubricant and a specific filler-surface treating agent; mixing the master batch composition and a propylene polymer-containing diluent resin; kneading the resulting mixture in a molten state; and molding the molten mixture to give the molded product. | 09-22-2011 |
| 20110077336 | PROCESS FOR PRODUCING MOLDED PROPYLENE POLYMER PRODUCT CONTAINING FIBROUS INORGANIC FILLER - A molded propylene polymer product improved in flexural properties and/or impact resistance is prepared by a process comprising the steps of blending fibrous inorganic filler-containing pellets with a propylene polymer-containing matrix resin composition, in which the pellets comprises 35-80 wt. % of a fibrous inorganic filler, 1-45 wt. % of an olefin polymer, 5-45 wt. % of an elastomer, and 0.3-10.0 wt. % of a specific lubricant; kneading the blended product under molten condition; and molding the kneaded product. | 03-31-2011 |
| 20110042297 | BASIC MAGNESIUM SULFATE GRANULE, AND PROCESS FOR PRODUCTION THEREOF - Basic magnesium sulfate granules having a bulk density of 0.5-1.0 g/cm | 02-24-2011 |
| 20110014116 | PROCESS FOR CONTINUOUS PRODUCTION OF FIBROUS BASIC MAGNESIUM SULFATE PARTICLE - Fibrous basic magnesium sulfate particles are continuously produced by the process comprising the following steps: (1) placing in a reaction vessel a seed particle-containing aqueous dispersion comprising fibrous basic magnesium sulfate seed particles dispersed in an aqueous medium; (2) supplying magnesium hydroxide and magnesium sulfate continuously into the reaction vessel under heating and stirring the seed particle-containing aqueous dispersion, whereby depositing basic magnesium sulfate produced by the reaction between the magnesium sulfate and magnesium hydroxide in the presence of water on the surfaces of the fibrous basic magnesium sulfate seed particles, to give an aqueous dispersion containing an increased amount of fibrous basic magnesium sulfate particles; (3) taking the aqueous dispersion obtained in the step (2) continuously out of the reaction vessel; and (4) recovering fibrous basic magnesium sulfate particles from the aqueous dispersion taken out of the reaction vessel. | 01-20-2011 |
| 20100294657 | POLYCRYSTALLINE MgO SINTERED BODY, PRODUCTION METHOD THEREFOR, AND MgO SPUTTERING TARGET - Provided is a polycrystal MgO sintered body which is capable of having a sintered density close to a theoretical density thereof, and exhibiting excellent mechanical properties and heat conductivity, while reducing contamination of an atmosphere due to gas generation, and a production method for the sintered body. The polycrystal MgO sintered body has a unique crystalline anisotropy in which (111) faces are oriented along a surface applied with a uniaxial pressure at a high rate. The polycrystalline MgO sintered body is obtained by a method which comprises the steps of: sintering an MgO raw material powder having a particle size of 1 μm or less, under a uniaxial pressure; and then subjecting the sintered powder to a heat treatment under an atmosphere containing 0.05 volume % or more of oxygen, at a temperature of 1273 K or more for 1 minute or more. | 11-25-2010 |
| 20100055460 | HIGHLY DISPERSIBLE FINE POWDER OF ALKALINE EARTH METAL CARBONATE AND PROCESS FOR PRODUCING THE SAME - A fine alkaline earth metal carbonate powder showing high dispersibility, in which the alkaline earth metal carbonate is selected from the group consisting of strontium carbonate and barium carbonate, can be prepared by a process comprising the steps of pulverizing a powder of strontium carbonate or barium carbonate in an aqueous medium using ceramic beads having a mean diameter of 10 to 1,000 μm in the presence of a polymer comprising a polycarboxylic acid or anhydride thereof having a side chain of a polyoxyalkylene group, and drying the pulverized powder. | 03-04-2010 |
| 20100040885 | HIGHLY DISPERSIBLE FINE POWDER OF ALKALINE EARTH METAL CARBONATE - A fine powder of an alkaline earth metal carbonate selected from the group consisting of barium carbonate, strontium carbonate and calcium carbonate, in which a primary particle of the powder has a mean diameter of 30 to 90 nm, in which the mean diameter is measured on a circle obtained from a projected area of the primary particle, and in which an accumulated volume of micropores having a pore size in the range of 10 to 20 nm is not less than 5×10 | 02-18-2010 |
| 20090292047 | MODIFIED MAGNESIUM OXYSULFATE FIBROUS PARTICLES AND POLYOLEFIN COMPOSITION CONTAINING THE SAME - A modified magnesium oxysulfate fibrous particles in which the magnesium oxysulfate fibrous particles are treated on their surfaces with a nucleating agent such as a phosphoric acid compound, an organic acid compound or a sorbitol compound can be favorably employed as fillers for polyolefin composition. | 11-26-2009 |
| 20090246524 | POROUS CALCIUM OXIDE PARTICULATE AND POROUS CALCIUM HYDROXIDE PARTICULATE - Granular calcium oxide and calcium hydroxide which are highly reactive with a halide gas and its decomposition products and favorably employable for filling a gas-fixing unit ( | 10-01-2009 |
| 20090215616 | GRANULAR MATERIAL COMPRISING POROUS PARTICLES CONTAINING CALCIUM AND/OR MAGNESIUM - A granular material having a high strength and a large BET specific surface area composed of porous particles comprising calcium oxide and calcium hydroxide wherein the calcium oxide is contained in an amount of 30 to 80 weight % based on a total amount of the calcium oxide and calcium hydroxide and the porous particles have a BET specific surface area of 40 m | 08-27-2009 |