Abstract: An object of the present invention is to provide a three-dimensional network structure which has high hydrolysis resistance and thus degradation of resin due to moisture in the air is prevented in long-term use. The three-dimensional network structure includes a three-dimensional random loop shaped and bonded structure including a linear continuous fiber, wherein the linear continuous fiber includes a resin composition, and the resin composition includes a polyester-based thermoplastic elastomer and a phosphate glass. The phosphate glass preferably contains P2O5, SiO2, ZnO, and at least one selected from the group consisting of an alkali metal oxide and an alkaline earth metal.

Abstract: Provided is a hot-melt adhesive composition improving workability and productivity, and having excellent adhesion to olefin substrates, such as polypropylene, and also excellent adhesion to highly polar substrates, such as PVC and PET, and further having excellent mechanical properties. Provided is a hot-melt adhesive composition comprising an acid-modified polyolefin and a copolymerized polyester, and satisfying the following (1) to (5): (1) the copolymerized polyester comprises a dicarboxylic acid component and a glycol component, and has a melting point (T1), as determined by a differential scanning calorimeter (DSC), in the range of 80 to 150° C.; (2) the acid-modified polyolefin has a melting point (T2), as determined by a differential scanning calorimeter (DSC), in the range of 60 to 150° C.; (3) |T1?T2|?40° C.; (4) when an acid value of the acid-modified polyolefin is defined as AV (eq/ton), and a hydroxy value of the copolymerized polyester is defined as OHV (eq/ton), 0.5?AV/OHV?4.

Abstract: A polyester resin composition including: 30 to 55 parts by mass of a polybutylene terephthalate resin (A), 8 to 38 parts by mass of a polyethylene terephthalate resin (B), 3 to 20 parts by mass of a copolymerized polyester resin (C), 0 to 8 parts by mass of a polycarbonate-based resin (D), and 4 to 23 parts by mass of a carbon fiber-based reinforcement (E), and 0 to 2 parts by mass of an transesterification inhibitor (F) with respect to 100 parts by mass of a total amount of (A), (B), (C), (D), and (E), wherein (C) is a copolymerized polyethylene terephthalate resin (C1) and/or a copolymerized polybutylene terephthalate resin (C2). The polyester resin composition has a flexural modulus of 5.8 GPa or more, and a molded article formed of the polyester resin composition is highly rigid, has reduced defects, and may be decorated by hot-stamping.

Abstract: The present invention aims to provide a thermoplastic polyester elastomer having particularly excellent extrusion moldability and extrusion molding stability, from which a hollow and long molded article can be stably produced with a uniform thickness for a long time. A polyester elastomer comprising a hard segment made of a polyester constituted of an aromatic dicarboxylic acid and an aliphatic or alicyclic diol and a soft segment made of an aliphatic polycarbonate, wherein the hard segment and the soft segment are bonded to each other, wherein the polyester elastomer is at least partially end-capped with a reactive compound, wherein the reactive compound comprises a polycarbodiimide, wherein the polyester elastomer has an acid value of 15 eq/ton or less, and wherein, under a condition of 230° C.

Abstract: The problem of the present invention is to provide a substrate with high versatility, a method for producing the substrate, and a method for producing a unit cell using the substrate. The problem is solved by providing a substrate comprising a plurality of alkali metal azide spots on a substantially flat surface.

Abstract: An object of the present invention is to provide a biodegradable three-dimensional network structure having excellent compression durability and high compression recovery after heat compression. The biodegradable three-dimensional network structure includes a linear fiber including a polybutylene adipate terephthalate resin having a weight average molecular weight of 35000 or more, wherein the biodegradable three-dimensional network structure has an apparent density of from 0.005 g/cm3 to 0.30 g/cm3 and a thickness of from 10 mm to 100 mm, and the linear fiber has a fiber diameter of from 0.2 mm to 2.0 mm and a crystalline melting enthalpy of 16 J/g or more.

Abstract: The present invention aims to provide a flexographic printing original plate which exhibits improved sustainability of the ability of preventing the plate surface from staining. According to the present invention, there is provided a water-developable flexographic printing original plate including at least a support and a photosensitive resin layer provided on the support, in which the photosensitive resin layer contains a water-dispersible latex, a photopolymerizable unsaturated compound, a photopolymerization initiator, and a silicone compound. When the water-dispersible latex is one or more latex rubbers selected from the group consisting of polybutadiene rubber and poly(nitrile-butadiene) rubber, the silicone compound is a silicone compound having an amino group in the molecule and has a refractive index of 1.44 to 1.60. When the water-dispersible latex is poly(styrene-butadiene) rubber, the silicone compound is a silicone compound having an amino group in the molecule and has a refractive index of 1.

Abstract: An activated carbon fiber is obtained by activating: a polyphenylene ether fiber that contains a polyphenylene ether component having a rearrangement structure connected by a bond at an ortho-position in a repeating unit continuously bonded at a para-position; an infusibilized polyphenylene ether fiber obtained by infusibilizing the polyphenylene ether fiber; a flameproofed polyphenylene ether fiber obtained by flameproofing the polyphenylene ether fiber or the infusibilized polyphenylene ether fiber; or a carbon fiber obtained by carbonizing any of the polyphenylene ether fibers.

Abstract: It is provided that a polyester resin and a polyester resin composition that allow reduction of harmful outgas and can form a coating film having excellent characteristics such as curability, retort resistance, and processability. A polyester resin composition comprising polyester resin (A), wherein the polyester resin composition satisfies the following requirements (i) to (iii), (i) the polyester resin (A) has an acid value of 100 eq/ton or more, (ii) the polyester resin composition substantially contains no curing agent, and (iii) the polyester resin (A) includes, as a polyol component constituting the polyester resin (A), a diol (a) having two primary hydroxy groups and having no alicyclic structure, and, furthermore, one or both of a diol (b) having an alicyclic structure, and a diol (c) having one primary hydroxy group and one secondary hydroxy group and having no alicyclic structure.

Abstract: The present concentration device includes a membrane module having a first and a second flow paths that are separated by a semipermeable membrane, the module including a U-shaped tube in which the semipermeable membrane is disposed, a first flow-path-inlet and a first flow-path-outlet connection parts, and a second flow-path-inlet and a second flow-path-outlet connection parts, the device including an introducing unit for introducing a subject solution with a predetermined pressure into the first flow path from the first flow-path-inlet connection part, separating the subject solution into a concentrate and a permeate through the semipermeable membrane, passing the permeate through the second flow path, draining the concentrate from the first flow-path-outlet connection part, introducing the subject solution with a pressure lower than the predetermined pressure into the second flow path from the second flow-path-inlet connection part, and draining a diluent diluted with the permeate, from the second flow-path

Abstract: An object of the present invention is to provide a polyester resin excellent in moldability, surface smoothness, transparency, mechanical characteristics, and heat-resistance, with reduced generation of gel. The present invention relates to a polyester resin comprising a constituent moiety derived from dicarboxylic acid component and a constituent moiety derived from alcohol component, wherein a content of a compound represented by Formula (I) is 0.0002 to 5.9% by weight in 100% by weight of the alcohol component. In the Formula (I), m and n each represent 1 to 1000, 1 represents 0 to 1000, R1 represents an aromatic hydrocarbon group having 6 to 20 carbon atoms, and R2, R3, and R4 each represent a hydrogen atom or an alkyl group having 1 to 10 carbon atoms.

Abstract: It is provided that a polyester resin and a polyester resin composition that allow reduction of harmful outgas and can form a coating film having excellent characteristics such as curability, retort resistance, and processability. A polyester resin composition comprising polyester resin (A), wherein the polyester resin composition satisfies the following requirements (i) to (iii), (i) the polyester resin (A) has an acid value of 100 eq/ton or more, (ii) the polyester resin composition substantially contains no curing agent, and (iii) a content of tetrahydrofuran-insoluble matter is 10 mass % or more when the polyester resin composition has been heated at 240° C. for one hour.

Abstract: A hollow fiber membrane element, comprising: a core tube comprising a side face having a plurality of pores; and a hollow fiber membrane group consisting of a plurality of hollow fiber membranes disposed around the core tube, the hollow fiber membrane element being a both open-ended type hollow fiber membrane element in which both ends of the core tube and the plurality of hollow fiber membranes are open. The hollow fiber membrane group includes a first hollow fiber membrane layer composed of a plurality of first hollow fiber membranes disposed so as to surround the core tube and a second hollow fiber membrane layer composed of a plurality of second hollow fiber membranes disposed so as to surround the first hollow fiber membrane layer, and a permeability coefficient of the plurality of first hollow fiber membranes is smaller than a permeability coefficient of the plurality of second hollow fiber membranes.

Abstract: The present invention aims to provide a thermoplastic polyester elastomer resin composition capable of providing a molded product having good appearance and really excellent abrasion resistance.

Abstract: An activated carbon fiber is obtained by activating: a polyphenylene ether fiber that contains a polyphenylene ether component having a rearrangement structure connected by a bond at an ortho-position in a repeating unit continuously bonded at a para-position; an infusibilized polyphenylene ether fiber obtained by infusibilizing the polyphenylene ether fiber; a flameproofed polyphenylene ether fiber obtained by flameproofing the polyphenylene ether fiber or the infusibilized polyphenylene ether fiber; or a carbon fiber obtained by carbonizing any of the polyphenylene ether fibers.

Abstract: A developer composition for a water-developable photosensitive flexographic printing original plate is disclosed, containing (a) a nonionic surfactant composed of monoalkyl ether and/or monoalkyl ester of polyethylene glycol, wherein a number of carbon atoms of the alkyl group therein is 8 to 19, and wherein an HLB value thereof is 11 to 16; and (b) one or more anionic surfactants selected from the group consisting of oleic acid metal salt, lauric acid metal salt, dodecylbenzene sulfonic acid metal salt and lauryl sulfate metal salt, wherein a content ratio of (a):(b) is 25:75 to 75:25 (mass ratio), and wherein a brushing friction coefficient on a surface of a printing original plate is 0.60 to 0.75[?], when measured in an aqueous developer containing 1% by mass of the developer composition and 99% by mass of water.

Abstract: A method is disclosed for producing a recycled developer from a waste developer generated by development of a water-developable flexographic printing original plate that has a photosensitive resin layer made from a photosensitive resin composition containing a water-dispersible resin. The method includes: leaving the waste developer to stand still in a tank so as to emerge and flocculate the photosensitive resin composition dispersed in the waste developer and thus form a solid-liquid mixed phase containing a resin flocculate beneath a liquid surface of the waste developer; and discharging the solid-liquid mixed phase containing the resin flocculate from an outlet formed on a side surface of the tank and obtaining, as a recycled developer, a liquid left in the tank, characterized in that a level of the waste developer in the tank at the time of starting the discharge is higher than the lowest position of an aperture of the outlet.

Abstract: It is provided that a polyester resin and a polyester resin composition that allow induction of harmful outgas and can form a coating film having excellent characteristics such as curability, retort resistance, and processability. A polyester resin composition comprising polyester resin (A), wherein the polyester resin composition satisfies the following requirements (i) to (iii), (i) the polyester resin (A) has an acid value of 100 eq/ton or more, (ii) the polyester resin (A) includes, as a polyol component constituting the polyester resin (A), a diol (a) having two primary hydroxy groups and having no alicyclic structure, and, furthermore, one or both of a diol (b) having an alicyclic structure, and a diol (c) having one primary hydroxy group and one secondary hydroxy group and having no alicyclic structure, and (iii) the polyester resin (A) has unsaturated dicarboxylic acid (d) as a polycarboxylic acid component constituting the polyester resin (A).

Abstract: The present invention aims to provide a thermoplastic polyester resin composition which has characteristic resin viscosity properties necessary for extrusion moldability, has excellent extrusion stability and extrusion moldability, and has flexibility optimal for in-vehicle tubes and hoses. According to the present invention, there is provided a thermoplastic polyester resin composition containing, relative to 100 parts by mass of a polyester resin component containing a polyester elastomer (a), 0.2 to 1.0 part by mass of a compound (b) having two epoxy groups, wherein the thermoplastic polyester resin composition has a z-average molecular weight Mz of 250000 or more and a Shore D hardness of 60 to 85.

Abstract: A decorated molded body includes a decorated layer B and a support layer A, wherein the support layer A is any of a non-woven fabric (a) including at least two types of thermoplastic resin fibers, a non-woven fabric (b) including a thermoplastic resin fiber and an inorganic fiber, or a thermoplastic resin composition layer (c) having a thermoplastic resin in which an inorganic fiber is contained, the decorated layer B includes a thermoformable thermoplastic resin and is any of an easily-moldable polyester film (d), a non-woven fabric (e) including a composite fiber made from at least two types of thermoplastic resins having different melting points, the non-woven fabric (e) having a surface with projections and recesses, or a synthetic leather (f) having an organic fiber as a base material, and the decorated layer B and the support layer A are combined with each other via a heat-bonding resin.