Patent application number | Description | Published |
20110009508 | EXPANDABLE POLYSTYRENE RESIN PARTICLES, METHOD FOR PRODUCTION THEREOF, AND MOLDED FOAM PRODUCT - There are provided expandable polystyrene resin particles formed by granulating a polystyrene resin containing an expanding agent, wherein the weight-average molecular weight Mw of the polystyrene resin is in the range of 120,000 to 270,000, and the expanding agent contains, as an essential component, pentane at a proportion of 3 to 8 parts by mass based on 100 parts by mass of the polystyrene resin, while the composition of the pentane is in the range of isopentane:normal pentane=10:90 to 80:20 by mass ratio. These expandable polystyrene resin particles can utilize a recycled raw material, and can produce a molded foam product having sufficient mechanical strength, while the expandable polystyrene resin particles have a long bead life and excellent low pressure moldability. | 01-13-2011 |
20120214885 | FOAMABLE POLYSTYRENE RESIN PARTICLES AND PROCESS FOR PRODUCTION THEREOF, POLYSTYRENE RESIN PREFOAMED PARTICLES, POLYSTYRENE RESIN FOAM-MOLDED ARTICLE, HEAT-INSULATING MATERIAL FOR BUILDING MATERIAL, BANKING MEMBER, AND VEHICLE INTERIOR MATERIAL - In foamable polystyrene resin particles that are obtained by granulating a polystyrene resin containing a flame retardant and a foaming agent, the flame retardant has a bromine atom in a molecule, contains less than 70% by mass of bromine, has a benzene ring in a molecule, and has a 5% by mass decomposition temperature in a range of from 200° C. to 300° C., and a ratio (B/A) between (A) the amount of the flame retardant contained in the total foamable polystyrene resin particles and (B) the amount of the flame retardant contained in the surface of the resin particles is in a range of from 0.8 to 1.2. By pre-foaming the foamable polystyrene resin particles and then foaming the particles in a mold, a polystyrene resin foam-molded article having flame retardancy is obtained. According to the invention, it is possible to provide a the polystyrene resin foam-molded article that uses a flame retardant which is highly safe for the environment and living organisms, has a sufficient flame-retarding performance, and is excellent in mechanical strength, moldability, and exterior. | 08-23-2012 |
Patent application number | Description | Published |
20090035678 | MIXED CYCLIC PHENOL SULFIDES, AND CHARGE CONTROL AGENTS AND TONERS USING THE SAME - The present invention discloses a mixed cyclic phenol sulfide which is a mixture of the cyclic phenol sulfide wherein m is 8 and the cyclic phenol sulfide wherein m is an integer other than 8, the cyclic phenol sulfide being represented by the following formula (1): | 02-05-2009 |
20090042120 | OXIDIZED MIXED CYCLIC PHENOL SULFIDES, AND CHARGE CONTROL AGENTS AND TONERS USING THE SAME - The present invention discloses an oxidized mixed cyclic phenol sulfide which is a mixture of the oxidized cyclic phenol sulfide wherein in is 8 and the oxidized cyclic phenol sulfide wherein m is an integer other than 8, the oxidized cyclic phenol sulfide being represented by the following formula (1): | 02-12-2009 |
20090239169 | OXIDIZED MIXED CYCLIC PHENOL SULFIDES, AND CHARGE CONTROL AGENTS AND TONERS USING THE SAME - The present invention discloses an oxidized mixed cyclic phenol sulfide which is a mixture of the oxidized cyclic phenol sulfide wherein m is 8 and the oxidized cyclic phenol sulfide wherein m is an integer other than 8, the oxidized cyclic phenol sulfide being represented by the following formula (1): | 09-24-2009 |
20090264661 | METHODS FOR PRODUCING CYCLIC PHENOL SULFIDES - The object of the present invention is, in methods for producing cyclic phenol sulfides, to provide methods for producing a number of more macrocyclic products, which comprise the steps of producing a mixture of cyclic phenol sulfides from an inexpensive raw material in one step without inducing the reduction in yield of a cyclic quatromer; and easily separating and purifying a single component from the mixture of cyclic phenol sulfides. | 10-22-2009 |
20090275783 | METHODS FOR PRODUCING OXIDIZED CYCLIC PHENOL SULFIDES - A method for producing an oxidized cyclic phenol sulfide which comprises the step of oxidizing a cyclic phenol sulfide of the following formula (1) as a raw material: | 11-05-2009 |
20110036829 | PLANAR HEATING ELEMENT OBTAINED USING DISPERSION OF FINE CARBON FIBERS IN WATER AND PROCESS FOR PRODUCING THE PLANAR HEATING ELEMENT - [Problems] To produce planar heating elements having high exothermic efficiency and provide energy-saving electric carpets, floor heating, wall surface heating appliances and heaters for thawing on roads and/or roofs or antifogging for mirrors. | 02-17-2011 |
20110198543 | AQUEOUS DISPERSION OF FINE CARBON FIBERS, METHOD FOR PREPARING THE AQUEOUS DISPERSION, AND ARTICLES USING THEREOF - Upon dispersing fine carbon fibers into water, by using an anionic surfactant having a high electrostatic repulsion effect, an nonionic surfactant having a high stereoscopic repulsion effect, and an anionic surfactant having high electrostatic and stereoscopic repulsion effects, in combination, an aqueous dispersion of fine carbon fibers which shows a high dispersibility without causing significant cohesion of mutual fine carbon fibers, and maintains a mean particle diameter (d | 08-18-2011 |
20120253054 | METHODS FOR PRODUCING OXIDIZED CYCLIC PHENOL SULFIDES - A method for producing an oxidized cyclic phenol sulfide which comprises the step of oxidizing a cyclic phenol sulfide of the following formula (1) as a raw material: | 10-04-2012 |
20130309926 | THERMOSETTING RESIN-CONTAINING SOLUTION IN WHICH FINE CARBON FIBERS ARE DISPERSED AND THERMOSETTING RESIN FORMED ARTICLES THEREOF - In dispersing a fine carbon fiber in a thermosetting resin, the invention disperses and disentangles the fine carbon fiber being aggregates form in the thermosetting resin solution, maintains the stable dispersed state, lowers the viscosity of the thermosetting resin solution in which the fine carbon fiber is dispersed, and provides a thermosetting resin formed article containing the fine carbon fiber by curing the fine carbon fiber dispersion solution and a production method thereof. | 11-21-2013 |