Abstract: A resin molded body according to the present invention is a resin molded body to be provided on an outer periphery of one or more lithium-ion secondary battery cells including a safety valve or an exhaust hole such that at least the safety valve or the exhaust hole is covered, in which a thermal conductivity (measurement temperature: 50° C.) of the resin molded body measured by a steady state comparative-longitudinal heat flow method based on JIS H7903:2008 is less than 1.0 W/m·K, a thickness of a part of the resin molded body, the part covering the safety valve or the exhaust hole, is 0.5 mm or more and 10.0 mm or less, and a hardness of a surface of the resin molded body measured by Type D durometer based on JIS K7215 is 50 or more and 90 or less.

Abstract: A rubber molded body is provided that is attachable to an outer circumference of one or more lithium ion secondary battery cells each having a safety valve or an exhaust hole in a manner that the safety valve or the exhaust hole is at least covered with the rubber molded body. The rubber molded body is further characterized in that a thermal conductivity measured by a unidirectional heat flux stationary comparison method pursuant to JIS H7903: 2008 (measured at 33° C.) is less than 1.0 W/m·K, a portion that covers the safety valve or the exhaust hole has a thickness greater than or equal to 0.3 mm and less than-or equal to 10.0 mm, and a surface hardness measured with a type A durometer pursuant to JIS K6253 is greater than or equal to 50 and less than or equal to 90.

Abstract: A suspension type electrodeposition coating composition containing, as a resin component, block copolyimide having a siloxane bond in a molecular structure and an anionic group in a molecule. Preferably, the above-mentioned block copolyimide contains, as one of the diamine components, diamine having a siloxane, bond in a molecular structure. In addition, preferably, the above-mentioned anionic group is a carboxylic acid group or a salt thereof and/or a sulfonic acid group or a salt thereof. The electrodeposition coating composition has superior heat resistance, which does not easily develop peeling and cracks in the electrodeposited body, and is capable of efficiently forming a high-insulation electrodeposited film superior in the uniformity of film property.

Abstract: An insulated probe pin 10 includes a conductor probe pin 11 and an insulator coating 12 covering a periphery of the conductor probe pin 10 such that a sensing-side end portion of the conductor probe pin 10 is exposed. An end portion 12a of the insulator coating 12 toward the sensing-side end of the conductor probe pin 11 has a thickness larger than that of an end portion of the insulator coating 12 toward a connection-side end of the conductor probe pin 11 in an entire periphery of the insulator coating 12.

Abstract: A suspension type electrodeposition coating composition containing, as a resin component, block copolyimide having a siloxane bond in a molecular structure and an anionic group in a molecule. Preferably, the above-mentioned block copolyimide contains, as one of the diamine components, diamine having a siloxane, bond in a molecular structure. In addition, preferably, the above-mentioned anionic group is a carboxylic acid group or a salt thereof and/or a sulfonic acid group or a salt thereof. The electrodeposition coating composition has superior heat resistance, which does not easily develop peeling and cracks in the electrodeposited body, and is capable of efficiently forming a high-insulation electrodeposited film superior in the uniformity of film property.

Abstract: A porous element containing a fluoropolymer comprising vinylidene fluoride as a main unit and having a density of 0.55–1.30 g/cm3 and a Gurley value of not more than 150 sec/100 cc is used as a polymer substrate of a solid electrolyte to be placed between a positive electrode and a negative electrode. As a result, the solid electrolyte layer shows fine ion conductivity and an ion polymer secondary battery having strikingly improved low temperature characteristics, cycle characteristics and high-rate discharge characteristics as compared to conventional batteries can be obtained.

Abstract: A porous element containing a fluoropolymer comprising vinylidene fluoride as a main unit and having a density of 0.55-1.30 g/cm3 and a Gurley value of not more than 150 sec/100 cc is used as a polymer substrate of a solid electrolyte to be placed between a positive electrode and a negative electrode. As a result, the solid electrolyte layer shows fine ion conductivity and an ion polymer secondary battery having strikingly improved low temperature characteristics, cycle characteristics and high-rate discharge characteristics as compared to conventional batteries can be obtained.

Abstract: Using a crystal (lithium cobaltate) having a crystallite size in the direction of (003) plane of not less than 800 angstrom and a coordination number of a cobalt atom to a different cobalt atom of not less than 5.7 as a positive electrode active material, a lithium ion secondary battery is formed. As a result, the rate characteristic, low temperature characteristic, cycle characteristic and the like of the lithium ion secondary battery can be improved. In addition, by combining a preferable embodiment of the positive plate such as (an embodiment wherein not more than 50% of the surface of a positive electrode active material is covered with a conductive material), (an embodiment wherein two kinds of conductive materials having a particle size of not less than 3 &mgr;m and a particle size of not more than 2 &mgr;m are used, or one kind of a conductive material having a particle size of not more than 10 &mgr;m is used and the porosity of the positive electrode coating layer is 0.08 cc/g-0.

Abstract: The present invention relates to a positive electrode active material, a negative electrode active material and an electrolyte that are used alone or in combination to improve charge and discharge cycle characteristic, low temperature characteristic and safety of a non-aqueous electrolyic secondary battery, particularly a lithium ion secondary battery. Specifically, a particulate Li-transition metal composite oxide having an average particle size of not less than 10 &mgr;m, wherein [20/(specific surface area×average particle size)]=7-9, is used as a positive electrode active material.

Abstract: An insulating material for coaxial cables, made at least in part with a polyolefin resin capable of heat-melt extrusion and a fluororesin powder as a nucleator, which material being capable of foam extrusion in the presence of a foaming agent; a coaxial cable made at least in part with a foam insulating layer prepared from the insulating material; and a method for producing a coaxial cable, by extruding, on a conductor, the insulating material to form a foam insulating layer. The insulating material for coaxial cables of the present invention containing a fluororesin powder such as PTFE as a nucleator provides a foamed article having fine and uniform cells, and a high expansion ratio. Such foamed article is superior in electric properties, and the coaxial cable having such insulating layer is superior in attenuation property. The material of the invention can obviate drying of the insulating layer, which contributes to an improved production efficiency of the coaxial cable and reduced production cost.

Abstract: A foamable organic composition comprising a compound foamable to 50% or more comprising an organic polymer and a chemical foaming agent, and, as a physical foaming agent, at least one member selected from the group consisting of rare gases and carbon dioxide; and a method for producing a foamed article having a high expansion ratio by using said composition. According to the present invention, a foamed article having a uniform and fine foam structure and a high expansion ratio of not less than 75% (which is as high as when freon gas is used) can be obtained without causing environmental problems such as depletion of the ozon layer. When applied, in particular, to a foamed layer for an insulated conductor, such as foam-insulated electric wire which is required to have high performance insulation and is occasionally installed under severe conditions, the composition of the present invention advantageously provides an insulated conductor with no potential buckling.

Abstract: A method for producing a silica glass optical fiber, which comprises coating carbon on the optical fiber with the use of the remaining heat of not less than 800.degree. C. possessed by the optical fiber just after heat wire drawing, for thermal decomposition of a carbon coat-forming gas comprised of one or more members selected from the group of halogenated hydrocarbons, hydrocarbons, and halogen molecules, which has 5 to 15 hydrogen atoms per 10 halogen atoms, and a reaction apparatus for coating carbon, wherein the area of the outer end of an exhaust region is greater than the transverse sectional area of a coating region, and the outer end is outwardly opened.

Abstract: Polymer compositions for molding in the presence of a foaming agent which comprise at least a polyolefin resin as a base resin and low polarity boron compound powder which is not decomposed at a foaming temperature, such as boron nitride powder as a nucleator. Polymer compositions of the invention are useful for formation of a foamed insulating layer on a conductive material by way of foam molding. By using said polymer composition, a foamed insulating layer excellent in insulation properties which has small dielectric loss factor, tan .delta., at high frequency and high extent of foaming of not less than 70% can be obtained.