Abstract: An electrically conductive composition capable of making specific volume resistivity control easier, is a carbonaceous material produced by burning plant material including soybean hulls, rapeseed meal, sesame meal, cotton seed meal, cotton hulls, rice hulls, rice bran, soybean chaffs, rice straws, cereal hulls or the like by adjusting any of the carbon content, burning temperature and median diameter. The burned and carbonized plant material is ground and sieved to give a median diameter of approx. 80 ?m or below. The burned plant material is obtained by burning at a temperature of 700° C. or higher.

Abstract: An ultrasonic flowmeter includes a measurement pipe through which a fluid flows, and two ultrasonic transceivers mounted on two transmitting bodies, respectively. The transmitting bodies are provided on outer side portions of the measurement pipe so as to be spaced from each other in an axis direction, and the measurement pipe and the two transmitting bodies are formed integrally with each other. The measurement pipe has a length, an inner diameter uniform in a length direction, and an arithmetic mean roughness Ra of an inner peripheral surface. The inner diameter is equal to or less than 5 mm, and the length of the measurement pipe is equal to or more than 30 mm. The arithmetic mean roughness Ra satisfies a relation of 0 ?m<Ra?0.2 ?m.

Abstract: Providing a process for advantageously producing spherical particles of furfuryl alcohol resin using only furfuryl alcohol without using a harmful aldehyde as a starting material. In the process, furfuryl alcohol is subjected to a self-condensation reaction in the presence of an acid catalyst, whereby a fluidic condensation resin of furfuryl alcohol is obtained. The condensation resin of furfuryl alcohol is granulated and cured using water as a reaction medium in the presence of a dispersion stabilizer and an acid catalyst having a pKa of not more than 1.5, whereby spherical cured resin particles are formed.

Abstract: Provided is a process for advantageously producing spherical particles of furfuryl alcohol resin without irradiating the reaction system with ultrasonic waves and without using a harmful aldehyde as a starting material. In the process, furfuryl alcohol is subjected to resinification and curing to form spherical fine particles of furfuryl alcohol resin. More specifically, the furfuryl alcohol is subjected to a self-condensation with an acid catalyst having a pKa of less than 1.5 in the presence of a protective colloid and then heated for curing to form spherical particles of furfuryl alcohol resin.

Abstract: A foamable composition for polyurethane foam is provided which advantageously improves heat insulating properties, a long-term stability, and a dimensional stability of a polyurethane foam that is produced by using carbon dioxide as a blowing agent. Further, a polyurethane foam which has excellent heat insulating properties is provided by foaming and curing the foamable composition for polyurethane. In the production of the polyurethane foam in which carbon dioxide is used in the foaming, a polyol component is used which includes a phenolic resin polyol that is obtained by adding at least one alkylene oxide to a phenolic novolak resin, and an aromatic amine polyol that is obtained by adding at least one alkylene oxide to an aromatic diamine such that the total amount thereof is 60% or more by mass, based on the total polyol component.

Abstract: PROBLEM To effectively utilize plant residue such as soybean hulls, rapeseed meal, rice bran, rice husk, and cacao husk. SOLUTION When forming sheet material from a mixture of burned plant material and fibrous material by a wet-process sheet production method, the burned plant material is one of a burned material of rice husk, a burned material of rice bran, a burned material of soybean hulls, a burned material of inner skin of peanut, a burned material of conduit side wall portion of seed plant or a burned material of cacao husk, and the fibrous material is one of a organic fiber derived from thermoplastic resin including polyolefin consisting of polyethylene and polypropylene, polyester, polyamide, vinyl chloride, polyacrylonitrile, polyvinyl chloride and aramid, a fiber derived from thermosetting resin including kynol, a natural fiber including cotton, wool, etc.

Abstract: An orally administered adsorbent which has a high ability of adsorbing indoxylsulfuric acid, indoleacetic acid, and indole, a method permitting easy and advantageous production of the same, and a drug using the same. The orally administered adsorbent is obtained from spherical particles of activated carbon by carbonizing and activating spherical particles of a furfuryl alcohol resin obtained by resinifying furfuryl alcohol through a self-condensation reaction and curing the resinified furfuryl alcohol.

Abstract: A valve has a valve body provided on its inner peripheral surface with a seat ring, a stem arranged to extend in a direction substantially perpendicular to the axis of a flow passage defined in the valve body, and a valve element rotatably supported through a bush attached to the stem, and opens or closes the flow passage by pressing or separating the valve element against or from the seat ring in the valve body in accordance with the rotation of the valve element. The valve body is molded after the valve element, the seat ring, the stem, and the bush are placed in predetermined positions in a mold.

Abstract: To provide a light-weight resin member, for a valve, which has high strength and can be used in a high-temperature atmosphere, and is also excellent in chemical resistance and corrosion resistance. A resin member for a valve, which is produced by molding a molding material having a tensile strength of 80 to 400 MPa at normal temperature, and a resin member for a valve, which is produced by molding a molding material having a tensile strength of 75 to 350 MPa at 120° C. are disclosed. There is also disclosed a resin member for a valve, which is produced by molding a molding material comprising a resin composition containing an epoxy acrylate resin (A) having a hydroxyl value of 60 to 100, a polyisocyanate compound (B) having 0.1 to 1.5 isocyanate groups per one hydroxyl group of the epoxy acrylate resin (A), a curing agent (C) and an internal mold release agent (D), and 20 to 70% by weight of a fiber reinforcing material (E).

Abstract: Disclosed are a piping member formed by using a propylene-based resin composition comprising 100 parts by mass of a propylene-ethylene random copolymer (A) having an ethylene content of 2 to 5%, a crystallization temperature of 86 to 105° C., a melt flow rate of 0.01 to 2.00 g/10 min and a molecular weight distribution of 3 to 8, and 1 to 15 parts by mass of a styrene-butadiene-base rubber (B) having a styrene content of 10 to 40% and a weight average molecular weight of 200,000 or more as essential components, a melt flow rate after kneading being from 0.01 to 2.00 g/10 min, characterized in that the propylene-based resin composition further comprising a hindered amine-based light stabilizer (C) having a weight average molecular weight of 2,000 or more in the amount of 0.1 to 1.

Abstract: A fluid mixer includes a main flow path comprised of a first flow path and a second flow path, spiral flow paths formed around the second flow path in shapes substantially concentric with the second flow path and offset in position from each other in a circumferential direction, the spiral flow paths having first ends communicated with the first flow path, branch flow paths branched from a plurality of locations of the second flow path in a flow direction, the branch flow paths being communicated with the spiral flow paths at a plurality of locations of the spiral flow paths in the flow direction, a fluid inlet at an open end of either of the first flow path and the second flow path, and a fluid outlet at an open end of the other of the first flow path and the second flow path.

Abstract: An in-line-type fluid mixer is provided, which includes a first channel-forming part defining a first inlet channel from a first inlet portion to a first passage portion; a second channel-forming part defining a second inlet channel from a second inlet portion to a second passage portion; a third channel-forming part defining an outlet channel having a sectional area that increases from a narrower portion through a flaring portion to an outlet portion, and being communicated with the first inlet channel and the second inlet channel, respectively, at an end of the narrow portion; and a whirling stream-generating part for generating a whirling stream in at least one of the first inlet channel and the second inlet channel.

Abstract: A propylene resin composition which contains as essential components thereof (A) an ethylene-propylene random copolymer having an ethylene content of 0.5 to 3.0 parts by mass; (B) an elastomer having an average particle diameter of 10 to 800 nm in an amount of 1 to 10 parts by mass based on 100 parts by mass of the ethylene-propylene random copolymer; and (C) a crystalline nucleating agent, and in which after kneading thereof, the kneaded propylene resin composition exhibit a melt flow rate (MFR) of 0.01 to 1.00 g/10 min. The propylene resin composition is suitable for the production of a wide variety of molded articles.

Abstract: The object of the present invention is to provide an expandable or foamable resol-type phenolic resin forming material that gives a phenolic resin foamed material or article which is excellent in strength and improved in brittleness and which has a high pH as compared with conventional materials or articles and has an excellent anti-corrosion property against a contact member, and a phenolic resin foamed material or article having the above properties, obtained by foaming the same, which are a foamable resol type phenolic resin forming material comprising a liquid resol type phenolic resin, a blowing agent, a foam stabilizer, an additive and an acid curing agent, said blowing agent comprising an organic non-reactive blowing agent and said additive comprising a nitrogen-containing bridged cyclic compound, and a phenolic resin foamed material or article obtained by foaming this forming material.

Abstract: A valve includes a valve body (1, 2), a tube (3) made of an elastomer extending through the inside of the valve body, and a roller (23) and a pressing surface (14) disposed facing each other across the tube (3). The roller (23) can be brought close to the pressing surface (14) to collapse the tube (3) between the roller (23) and pressing surface (14) and close the flow passage in the tube (3), and the roller (23) can be moved along the tube (3) to make a collapsed position where the tube (3) is collapsed by the roller (23) and the pressing surface (14) move along the flow passage axis of the tube (3) while maintaining the flow passage in the closed state.

Abstract: An object of the invention is to provide an anthracene derivative having characteristics peculiar to anthracene such as e.g., high carbon density, high melting point, high refractive index and fluorescent properties for ultraviolet rays, etc., and reaction diversity that results from the bisphenol structure, and a process for producing the same. Disclosed is an anthracene derivative represented by the following general formula (1): in the formula (1), X and Y each independently represent a hydroxyaryl group. The aforementioned X and Y are preferably a hydroxyphenyl group. In addition, the anthracene derivative can be produced by a process including allowing at least one compound selected from phenols and anthracene-9-carboaldehyde to react in the presence of an oxygen-containing inert organic solvent and an acid catalyst.

Abstract: Provided is a process for advantageously producing spherical particles of furfuryl alcohol resin without irradiating the reaction system with ultrasonic waves and without using a harmful aldehyde as a starting material. In the process, furfuryl alcohol is subjected to resinification and curing to form spherical fine particles of furfuryl alcohol resin. More specifically, the furfuryl alcohol is subjected to a self-condensation with an acid catalyst having a pKa of less than 1.5 in the presence of a protective colloid and then heated for curing to form spherical particles of furfuryl alcohol resin.

Abstract: The present invention relates to a duct connector for working fluid, that is durable and corrosion resistant, and a valve with the duct connector. The duct connector has a head portion with an internal fitting portion that fluidly communicates with the inside of a cylinder housing of the valve. It is affixed to the housing in such a manner that the head portion protrudes from the outer surface of the housing with the fitting portion being positioned outside the outer surface of the housing. Duct connectors may be formed by insert molding using a resin with a tensile elongation ratio of 50%-400% and tensile strength of 50 Mpa -200 MPa.

Abstract: A base plate 1 for fixing an object 2 to an installation surface, comprising a plate-like base body 11 having a mounting portion 11a on its upper surface for mounting the object 2, and a fixing piece 12 having bolt-fastened portions 15 which are to be fastened onto the installation surface by means of fixing bolts. Portions to be fitted 13 are provided on side surfaces of the base body 11, a fitting portion 16 is provided at an end of the fixing piece 12 to detachably fit to the portion to be fitted 13, and the fixing piece 12 is detachably attached to the side surface of the base body 11. The base plate 1 has various uses, and also allows for easily fixing of the object even in a narrow and tight place.

Abstract: Provided are a phenolic resin composition for shell molding that has low thermal expansion properties and high flexibility, a resin coated sand for shell molding obtained by using the same, and a shell mold formed of the same. The phenolic resin composition for shell molding that is capable of exhibiting advantageous mold characteristic is obtained by a combination of a phenolic resin that is obtained by a reaction of a phenol, a naphthol, and an aldehyde, and a fatty acid amide.