| JSP CORPORATION Patent applications |
| Patent application number | Title | Published |
|---|
| 20120135173 | HOLLOW FOAMED BLOW-MOLDED ARTICLE - A hollow foamed blow-molded article has a polypropylene-based resin foam layer, wherein the polypropylene-based resin foam layer has an equilibrium compliance Je | 05-31-2012 |
| 20120115968 | THERMOPLASTIC RESIN COMPOSITE BEAD PRODUCTION METHOD, EXPANDABLE THERMOPLASTIC RESIN COMPOSITE BEAD, EXPANDED THERMOPLASTIC RESIN COMPOSITE BEAD, AND FOAMED MOLDED ARTICLE FORMED FROM EXPANDED THERMOPLASTIC RESIN COMPOSITE BEADS - A seed beads dispersing disperse system is obtained by dispersing olefin resin seed beads | 05-10-2012 |
| 20120100376 | EXPANDED POLYPROPYLENE RESIN BEADS AND EXPANDED BEAD MOLDING - Multilayer expanded polypropylene resin beads that are heat moldable at low steam pressure and can provide an expanded mold with sufficient rigidity and heat resistance. The beads are formed from a polypropylene resin and a coating layer formed from a different polypropylene resin. The multilayer expanded resin beads can be molded in-mold at a steam pressure lower than the steam pressure for molding single-layer expanded beads made from the polypropylene resin which forms the core layer. The coating layer to core layer resin weight ratio in the multi-layer resin beads is not less than 0.001 and not greater than 0.040 and the expansion ratio of the expanded beads, the average value of the thickness of the coating layer of the expanded beads, calculated based on the coating weight ratio of the multi-layer resin beads, is not less than 0.1 μm and not greater than 3.0 μm. | 04-26-2012 |
| 20110319512 | POLYVINYLIDENE FLUORIDE RESIN EXPANDED BEADS, AND MOLDED ARTICLES OF POLYVINYLIDENE FLUORIDE RESIN EXPANDED BEADS - Provided are polyvinylidene fluoride resin expanded beads which can be molded by in-mold molding and thus stably provide, without impairing excellent characteristics inherent in polyvinylidene fluoride resin, molded articles having excellent mechanical properties. Polyvinylidene fluoride resin expanded beads, characterized in that when 1 to 3 mg of the expanded beads are subjected to heat-flux type differential scanning calorimetry (DSC) wherein the beads are heated from 25° C. to 200° C. at a temperature rise rate of 10° C./min, the obtained DSC curve (of first heating) has both an inherent endothermic peak which is inherent in polyvinylidene fluoride resin and one or more higher-temperature endothermic peaks which appear on the higher-temperature side of the inherent endothermic peak, the quantity of heat of melting of the higher-temperature endothermic peaks being at least 0.5 J/g. | 12-29-2011 |
| 20110250421 | EXTRUDED THERMOPLASTIC RESIN FOAM - The present invention relates to an extruded thermoplastic resin foam, particularly relates to a board extruded thermoplastic resin which has low heat conductivity, an excellent heat insulating property over a long period of time, high flame retardancy, and excellent mechanical strength. | 10-13-2011 |
| 20110147974 | Method for producing foamed polyolefin resin beads - Foamed polyolefin resin beads having antistatic properties obtained by a process, which includes dispersing polyolefin resin beads into an aqueous medium, injecting a blowing agent, stirring and allowing the polyolefin resin beads to foam and expand. The polyolefin resin beads are composite resin beads comprising a core layer of a core layer polyolefin resin and a covering layer of a covering layer polyolefin resin. | 06-23-2011 |
| 20100279087 | Polyethylene-based resin foamed blow molded article - A polyethylene resin foamed blow molded article obtained by extruding a foamable resin melt to form a foamed parison, subsequently inserting the foamed parison in a mold, and blow molding the foamed parison,
| 11-04-2010 |
| 20100209689 | EXPANDED STYRENE RESIN BEADS AND MOLDED ARTICLE FORMED FROM EXPANDED STYRENE RESIN BEADS - Expanded styrene resin beads are made of a styrene resin as the base resin and have an average bead diameter of 0.5-10 mm and an apparent density of 0.013-0.15 g/cm | 08-19-2010 |
| 20100137466 | POLYPROPYLENE RESIN FOAMED BEAD AND MOLDED ARTICLE THEREFORM - Improved polypropylene resin foamed beads that without detriment to the excellence in properties, such as compression properties and heat resistance, characterizing the polypropylene resin foamed beads, can provide a polypropylene resin foamed bead molded article with equal properties by an molding conducted at low heating temperature. There are disclosed polypropylene resin foamed beads composed of a polypropylene resin of 115 to 135° C. melting point and 500 MPa or higher Olsen flexural modulus. The amount of ash at the surface of the foamed beads is 3000 wt. ppm or less (including 0). With respect to the foamed beads, in the first DSC curve obtained by heating 1 to 3 mg of polypropylene resin foamed beads from room temperature to 200° C. at a temperature elevation rate of 10° C./min by the use of a differential scanning calorimeter, there appear not only one or more endothermic peak (Pa) having the peak temperature within a temperature zone not higher than the melting point of the resin but also one or more endothermic peak (Pb) having the peak temperature within a temperature zone exceeding the melting point of the resin and not lower than 130° C. The total calorific value of the endothermic peak (Pb) is in the range of 2 to 12 J/g. Further, there is disclosed a foamed bead molded article obtained by molding the above foamed beads. | 06-03-2010 |
| 20100105787 | POLYPROPYLENE RESIN FOAM PARTICLE AND MOLDING THEREOF - A polypropylene resin foamed bead from which a foamed bead molded article excelling in appearance, heat resistance and mechanical properties can be obtained at the molding temperature lower than that for conventional polypropylene resin foamed beads; and a foamed bead molded article obtained by molding the same. The polypropylene resin foamed bead is characterized by having such a crystal structure that in the first DSC curve obtained when the temperature of the foamed bead sample is raised from ordinary temperature to 200° C. at a temperature rising rate of 2° C/min by a differential scanning calorimetry, there appear a main endothermic peak of 100° to 140° C. endothermic peak apex temperature exhibiting 70 to 95% endothermic peak calorific value based on the total endothermic peak calorific value and two or more endothermic peaks exhibited on the high temperature side with respect to the main endothermic peak. | 04-29-2010 |
| 20100086758 | FOAMED SHEET OF POLYLACTIC ACID RESIN, FOAM MOLDING OF POLYLACTIC ACID RESIN AND METHOD OF PREPARING FOAM MOLDING - A foamed sheet of a base resin containing 50 to 100% by weight of a polylactic acid resin and having an apparent density of 63 to 630 kg/m | 04-08-2010 |
| 20100028654 | Multi-Layerd Polylactic Acid Resin Foamed Body And Multi-Layered Polylactic Acid Resin Foamed Molded Article - An object of the present invention is to provide a multi-layered polylactic acid resin foamed body of a crystalline polylactic acid resin which has good appearance and excellent mechanical strength such as bending strength and compressive strength and which is capable of being imparted with excellent heat resistance, and to provide a multi-layered polylactic acid resin foamed molded article having excellent appearance, heat resistance and mechanical strength. | 02-04-2010 |
| 20090169895 | Foamed polyolefin resin beads - The present invention relates to foamed polyolefin resin beads. Further, the present invention provides foamed resin beads obtained by foaming and expanding composite resin beads which include a core layer constituted by a polyolefin resin and a covering layer which covers the core layer constituted by a polyolefin resin, wherein (a) the polyolefin resin constituting the core layer is a crystalline polyolefin resin, (b) the polyolefin resin constituting the covering layer is a crystalline polyolefin resin which has a lower melting point (B) than a melting point (A) of the polyolefin resin constituting the core layer, wherein a temperature difference [(A)−(B)] between the melting point (B) and the melting point (A) is more than 0° C. and 80° C. or less, or a noncrystalline polyolefin resin which has a softening point (C) lower than the melting point (A) of the polyolefin resin constituting the core layer, wherein a temperature difference [(A)−(C)] between the softening point (C) and the melting point (A) is more than 0° C. and 100° C. or less, and 10% by weight or more and less than 50% by weight of polymer type antistatic agent is contained in the covering layer. The foamed polyolefin resin beads of the present invention provide foamed polyolefin resin beads are excellent in fusion properties between beads at the time of molding in a mold, capable of providing a molded foamed article which is excellent antistatic performance, has no deterioration of the antistatic performance with age, whose antistatic performance is not humidity dependent, does not contaminate packaging products, has a good molded foamed article surface, and has excellent mechanical properties. | 07-02-2009 |
| 20090156700 | Expanded polypropylene resin beads and foamed molded article thereof - Expanded polypropylene resin beads having a melting point of not less than 120° C. but less than 140° C., the melting point being determined from a DSC curve obtained by heat flux differential scanning calorimetry in accordance with JIS K7121-1987 in which a sample of 1 to 3 mg of the expanded polypropylene resin beads is heated to 200° C. at a heating rate of 10° C./minute, then cooled to 30° C. at a rate of 10° C./minute, and again heated from 30° C. to 200° C. at a heating rate of 10° C./minute to obtain the DSC curve. The expanded polypropylene resin beads has an apparent density ρ | 06-18-2009 |
| 20090069455 | Extruded styrenic resin foam and method for producing the same - The present invention relates to an extruded styrenic resin foam and a method for producing the same, wherein a base resin composing the extruded styrenic resin foam is a styrenic resin mixture of a styrene-(meth)acrylic ester copolymer, or a combination of a styrene-(meth)acrylic ester copolymer and polymethyl methacrylate, and a styrenic resin except the styrene-(meth)acrylic ester copolymer, and the styrenic resin mixture contains a (meth)acrylic ester component at a ratio of 4 to 45% by weight with reference to the styrenic resin mixture. The present invention provides an extruded styrenic resin foam having an apparent density of 20 to 60 kg/m | 03-12-2009 |
| 20080275148 | Skin-covered propylene resin foamed molded article - The present invention pertains to a skin-covered foamed molded article of expanded propylene resin beads having excellent lightness in weight, mechanical properties and appearance. | 11-06-2008 |
| 20080213607 | Antistatic multilayer sheet and production method thereof - The present invention provides a transparency antistatic multilayer sheet prepared by extrusion sheet molding that is favorable in appearance and retains its antistatic action consistently, and a production method of producing a thick antistatic multilayer sheet reliably by extrusion sheet molding, while preventing generation of contamination of the polishing roll surface and also damage of the sheet appearance. Specifically, it relates to an antistatic multilayer sheet, comprising coat layers constituted of a transparent resin A, said coat layers substantively do not contain a polymeric antistatic agent, and at least one antistatic layer constituted of a transparent resin B and a polymeric antistatic agent, wherein the antistatic layer is in contact with the inside of the coat layer and the coat layers are placed on the outermost faces of the multilayer sheet, wherein the multilayer sheet has a distinctness of image of 60% or higher and an initial electrostatic potential in electrostatic half-life measurement of 2.5 kV or lower, and a production method thereof. | 09-04-2008 |
