Abstract: The object of the present invention is to provide an industrial two-layer fabric which exhibits excellent air permeability with good wear resistance to prevent the wire mark or the hydration mark, while exhibits high rigidity. The present invention includes at least one upper surface side fabric constituted by upper surface side warps and upper surface side wefts, at least one lower surface side fabric constituted by lower surface side warps and lower surface side wefts, and lower surface side warps serving as binding weft yarns, and includes three upper surface side warps arranged to be adjacent to each other in the upper surface side fabric, whereby the upper surface side wefts pass over three consecutive upper surface side warps, and then, pass under one upper surface side warp to pass over another upper surface side warp, and then, passes under three consecutive upper surface side warps.

Abstract: A metal adsorbent which can adsorb a wide variety of metals, can conform to various uses, and adsorbs metals in large amounts. Metal adsorbents in various forms, which have the property of highly efficiently adsorbing metals, are produced by (a) a method in which a polyamine polymer is chemically bonded and immobilized to a porous support, (b) a method in which a polyamine polymer is blended into a solution of a raw material for fibers and the mixture is formed into fibers by wet-spinning or dry spinning, and (c) a method in which a polyamine polymer is blended into a solution of a film-forming polymer and the mixture is formed into a film by a method of film formation from solution.

Abstract: A metal adsorbent which can adsorb a wide variety of metals, can conform to various uses, and adsorbs metals in large amounts. Metal adsorbents in various forms, which have the property of highly efficiently adsorbing metals, are produced by (a) a method in which a polyamine polymer is chemically bonded and immobilized to a porous support, (b) a method in which a polyamine polymer is blended into a solution of a raw material for fibers and the mixture is formed into fibers by wet-spinning or dry spinning, and (c) a method in which a polyamine polymer is blended into a solution of a film-forming polymer and the mixture is formed into a film by a method of film formation from solution.

Abstract: The present invention provides a polymer of the compound represented by formula [1]: and the compound represented by formula [2]: to a glycidyl group of which an anion exchanging group is introduced; a filler for measuring an acidic group binding to a perfluoro compound at a terminal, which comprises the polymer; a column filled with the filler; a method for measuring said perfluoro compound having an acidic group at a terminal by using the column; a filler or a column filled with the filler comprising the polymer for measuring a drug; and a method for measuring a drug by using the column.

Abstract: Provided is a fibrous adsorbing material used for the adsorption and recovery of metals in a solution, which is a fibrous metal-adsorbing material that can be produced using existing production facilities without using special facilities or complicated operations, has high durability, is easy to diversify, and can be processed into various forms. The fibrous metal-adsorbing material is produced by a) a step of preparing an acrylate polymer having a large number of glycidyl groups in the molecule, b) a step of kneading a low-melting-point fiber matrix polymer therewith, c) a step of making the resulting mixture into a fibrous form by an melt-blend spinning method, and d) a step of allowing a long-chain ligand having an amino group or an imino group to react with glycidyl groups on the fiber surface to introduce a metal-adsorbing functional group. The fibrous metal-adsorbing material has high durability, is easy to diversify, and has various forms.

Abstract: An industrial two-layer fabric has an inner space between an upper side fabric and a lower side fabric. Some or all of upper side wefts or lower side wefts are secondary wefts interwoven with upper side warps or lower side warps so as to make the number of warps passing on an upper surface of the upper side fabric or passing on a lower surface of the lower side fabric larger than that on an inner space side of the upper or lower side fabric and a long crimp in the inner space is formed by the secondary weft.

Abstract: Problem The present invention provides, in a metal-adsorbing material used for the removal and recovery of a wide range of heavy metals in treated solutions such as industrial waste water, service water, and environmental water, a gel-like metal-adsorbing material having a large amount of metal adsorption and capable of meeting various demands; and also provide a metal adsorbent having a gel-like metal-adsorbing material supported on a porous carrier. Means for Resolution A metal-adsorbing polymer selected from polyethyleneimine and polyallylamine is crosslinked with a polyglycidyl ether, whereby a gel-like metal-adsorbing material having a large amount of metal adsorption and capable of meeting various demands is produced.

Abstract: A metal adsorbent which can adsorb a wide variety of metals, can conform to various uses, and adsorbs metals in large amounts. Metal adsorbents in various forms, which have the property of highly efficiently adsorbing metals, are produced by (a) a method in which a polyamine polymer is chemically bonded and immobilized to a porous support, (b) a method in which a polyamine polymer is blended into a solution of a raw material for fibers and the mixture is formed into fibers by wet-spinning or dry spinning, and (c) a method in which a polyamine polymer is blended into a solution of a film-forming polymer and the mixture is formed into a film by a method of film formation from solution.

Abstract: A multilayer fabric is joined by engaging joining loops formed at both ends of a disjoined industrial multilayer fabric having wefts and warps in layers. The joining loops are formed by folding back some or all the end portions of warps. The both ends of the fabric are joined by engaging the loops to form a common hole and inserting a core wire into the common hole. At least one upper side weft remains while a lower side weft below the remaining upper side weft is removed at the both ends of the fabric. The common hole and the core wire inserted therein are located below the remaining upper side weft. The folded portions of the warps are interwoven with wefts of a normal portion of the fabric.

Abstract: Problem To provide a method for easily producing an adsorbing material used for the removal and recovery of metals and ions in a solution, which is highly durable and has various adsorptive functional groups and forms applicable for various purposes.

Abstract: An industrial two-layer fabric includes a first warp set and a second warp set that are placed alternately and form a weave design of the upper side fabric. The first warp set contains two upper side warps. At least one of the upper side warps of the first warp set functions as a warp binding yarn that binds the upper side fabric and the lower side fabric. The second warp set contains one of upper side warps and one of lower side warps placed below the one of the upper side warps. At a position where two adjacent lower side warps are woven with one of the lower side wefts, the warp binding yarn placed between the two adjacent lower side warps is woven with the same one of the lower side wefts.

Abstract: An industrial two-layer fabric includes an upper side fabric and a lower side fabric. The upper side warps of the upper side fabric comprise a first warp set and a second warp set. The first warp set contains two upper side warps and a warp binding yarn that binds the upper side fabric and the lower side fabric. The two upper side warps are woven with the same upper side wefts. The second warp set contains one upper side warp. At a position where the warp binding yarn passes above one of the upper side wefts, the warp binding yarn is placed between the two upper side warps of the first warp set and pass below the same one of the upper side wefts, whereby the two upper side warps and the warp binding yarn of the first warp set form the upper side warp design.

Abstract: It is a subject of the present invention to provide a novel polymer; a filler for measuring a perfluoro compound having an acidic group at terminal which comprises said polymer; a column filled with said filler; and a measuring method for a perfluoro compound having an acidic group at terminal by using said column; as well as a filler for measuring a drug comprising the above-described polymer; a column filled with said filler; and a measuring method for a drug by using said column.

Abstract: An industrial two-layer fabric has an inner space between an upper side fabric and a lower side fabric. Some or all of upper side wefts or lower side wefts are secondary wefts interwoven with upper side warps or lower side warps so as to make the number of warps passing on an upper surface of the upper side fabric or passing on a lower surface of the lower side fabric larger than that on an inner space side of the upper or lower side fabric and a long crimp in the inner space is formed by the secondary weft.

Abstract: A multilayer fabric is joined by engaging joining loops formed at both ends of a disjoined industrial multilayer fabric having wefts and warps in layers. The joining loops are formed by folding back some or all the end portions of warps. The both ends of the fabric are joined by engaging the loops to form a common hole and inserting a core wire into the common hole. At least one upper side weft remains while a lower side weft below the remaining upper side weft is removed at the both ends of the fabric. The common hole and the core wire inserted therein are located below the remaining upper side weft. The folded portions of the warps are interwoven with wefts of a normal portion of the fabric.

Abstract: A polyamide filament is disclosed. The filament includes a polyamide resin. The resin is obtained from mixing crystalline polyamide (A) with another polyamide (B). Crystalline polyamide (A) is obtained by a polycondensation reaction of metaxylenediamine and adipic acid. Crystalline polyamide (A) comprises from 5 to 50 wt. % of the resin. Polyamide (B) comprises from 50 to 95 wt. % of the resin. The filament is heated to 160 to 200° C. under a constant length condition at an initial load of 20 mg/d. After heating, a thermal contraction stress of the filament is not reduced in a cool-down region not greater than 80° C.

Abstract: An industrial two-layer fabric constituted by at least one upper surface side warp to be woven with at least one upper surface side weft, at least one lower surface side warp to be woven with at least one lower surface side weft, and at least one warp binding yarn to be woven with the at least one upper surface side weft and the at least one lower surface side weft having at least one pair of upper and lower warps in which the upper and lower surface side warps are located to be upper and lower, respectively, and at least one pair of warp binding yarns in which at least one yarn constitutes a warp binding yarn.

Abstract: An industrial two-layer fabric includes a first warp set and a second warp set that are placed alternately and form a weave design of the upper side fabric. The first warp set contains two upper side warps. At least one of the upper side warps of the first warp set functions as a warp binding yarn that binds the upper side fabric and the lower side fabric. The second warp set contains one of upper side warps and one of lower side warps placed below the one of the upper side warps. At a position where two adjacent lower side warps are woven with one of the lower side wefts, the warp binding yarn placed between the two adjacent lower side warps is woven with the same one of the lower side wefts.

Abstract: An industrial two-layer fabric includes an upper side fabric and a lower side fabric. The upper side warps of the upper side fabric comprise a first warp set and a second warp set. The first warp set contains two upper side warps and a warp binding yarn that binds the upper side fabric and the lower side fabric. The two upper side warps are woven with the same upper side wefts. The second warp set contains one upper side warp. At a position where the warp binding yarn passes above one of the upper side wefts, the warp binding yarn is placed between the two upper side warps of the first warp set and pass below the same one of the upper side wefts, whereby the two upper side warps and the warp binding yarn of the first warp set form the upper side warp design.

Abstract: It is a subject of the present invention to provide a novel polymer; a filler for measuring a perfluoro compound having an acidic group at terminal which comprises said polymer; a column filled with said filler; and a measuring method for a perfluoro compound having an acidic group at terminal by using said column; as well as a filler for measuring a drug comprising the above-described polymer; a column filled with said filler; and a measuring method for a drug by using said column.