Abstract: An aerosol-generating article is provided, including an aerosol-forming substrate; a combustible heat source; at least one layer of ceramic paper circumscribing at least a portion of a length of the combustible heat source; one or more airflow pathways along which air may be drawn through the aerosol-generating article for inhalation; and one or more non-combustible, substantially air impermeable barriers between the combustible heat source and the aerosol forming substrate.

Abstract: Methods and hydrogels for preventing or reducing cellular adhesion and protein adsorption to a tissue (e.g. cardiac tissue) are disclosed. The hydrogels generally include at least three component polymers, a first polymer including an aminooxy group, a second polymer including a reactive oxo group, that are cross-linked by oxime bonds and a third polymer including a catechol group, that causes better retention on the cardiac tissue. The hydrogels are suitable for binding to and coating a tissue or cell. The hydrogels operate to reduce cellular adhesions and protein adsorption to the tissue or cell.

Abstract: A tailings-reclaimed green stone paper processing method, which treats the tailings to meet the pH 7 pH requirement of the paper standard, grinds the treated tailings after drying, modifies the powdered tailings, implements a modified granulation process with the use of a modification aid, and then implements plastic granule stirring, heating mixing, filament spinning, cutting, papermaking and surface treatment processes to form an environmentally friendly stone fiber paper product, achieving the effects of tailings reuse, pollution-free, moisture-proof, anti-mite and low cost.

Abstract: A thermoplastic composite article comprising a porous core layer and an open cell skin disposed on a first surface of the core layer is described. The composite article comprises a noise reduction coefficient of at least 0.5 as tested by ASTM C423-17 and a flame spread index of less than 25 and a smoke development index of less than 150 as tested by ASTM E84 dated 2009.

Abstract: The present invention relates to a multilayer composite, comprising at least three superimposed plies of fibre composite which are defined relative to one another as two outer plies of fibre composite and at least one inner ply of fibre composite, wherein each of these at least three plies of fibre composite comprises endless fibres, the endless fibres being unidirectionally aligned within the respective ply and embedded in a polycarbonate-based plastic, wherein the polycarbonate is selected from homopolycarbonate or copolycarbonate, the inner plies of fibre composite essentially have the same orientation and their orientation relative to the outer plies of fibre composite is rotated by 30° to 90° , wherein the orientation of a ply of fibre composite is determined by the orientation of the unidirectionally aligned fibres present therein.

Abstract: The problem of the present invention is to offer a nonwoven fabric for reinforcing foam molded articles that enables cushion materials to be efficiently foam molded by improving adhesiveness of the reinforcing nonwoven fabric to a mold. The present invention is a nonwoven fabric for reinforcing foam molded articles, having a reinforcing nonwoven layer and at least one resin layer, wherein the reinforcing nonwoven layer and the at least one resin layer are laminated, the reinforcing nonwoven layer has a discontinuous part including a magnetic material, the at least one resin layer has a resin having softening point A of 20° C. or higher and 60° C. or lower, and the nonwoven fabric has an air permeability of 30 cc/cm2/sec or more and 300 cc/cm2/sec or less.

Abstract: A pressure-sensitive adhesive composition is disclosed making it possible that even when a polarizing film and a transparent conductive layer are laminated over each other to interpose a pressure-sensitive adhesive layer there between, this pressure-sensitive adhesive layer is formed as a pressure-sensitive adhesive layer capable of restraining the transparent conductive layer from being corroded, and further restraining a rise in the surface resistance of the transparent conductive layer, and a deterioration in the external appearance of this layer. Also disclosed are a pressure-sensitive adhesive layer made from the pressure-sensitive adhesive composition, a pressure-sensitive-adhesive-layer-attached polarizing film, and an image display device using the pressure-sensitive-adhesive-layer-attached polarizing film. The pressure-sensitive adhesive composition includes a (meth)acryl-based polymer (A) and a conductive agent (B) having a molecular weight of 380 or more.

Abstract: A pressure-sensitive adhesive composition is disclosed making it possible that even when a polarizing film and a transparent conductive layer are laminated over each other to interpose a pressure-sensitive adhesive layer there between, this pressure-sensitive adhesive layer is formed as a pressure-sensitive adhesive layer capable of restraining the transparent conductive layer from being corroded, and further restraining a rise in the surface resistance of the transparent conductive layer, and a deterioration in the external appearance of this layer. Also disclosed are a pressure-sensitive adhesive layer made from the pressure-sensitive adhesive composition, a pressure-sensitive-adhesive-layer-attached polarizing film, and an image display device using the pressure-sensitive-adhesive-layer-attached polarizing film. The pressure-sensitive adhesive composition includes a (meth)acryl-based polymer (A) and a conductive agent (B) having a molecular weight of 380 or more.

Abstract: The present invention relates to a touch sensor in which a sensor pattern is irregularly formed, and a touch screen panel using the same. The touch sensor includes a plurality of channels including a plurality of first sensor lines extending in a horizontal direction and a plurality of second sensor lines extending in a vertical direction and in contact with the plurality of first sensor lines at a plurality of contact points to form a mesh pattern. Therefore, occurrence of a moiré phenomenon is prevented, and the contact points between the sensor lines are distributed so as not to be concentrated in any one region, such that generation of a foreign material sensation may be minimized. Therefore, it is possible to prevent a decrease in visibility due to the generation of the foreign material sensation.

Abstract: A moisture holding material for blending with fill to form an engineered surface. The moisture holding material includes a first non-woven fabric coated in an aqueous superabsorbent polymer (SAP); a second non-woven fabric; fiber; and a fluff material that are chopped and applied topically within a surface, on various substrates including, but not limited to, rubber, sand, wood chippings, grass, soil, fiber, textile, clay or rock. A portion of the non-woven material is coated with SAP.

Abstract: In one aspect, methods of making a carbon coating are described herein. In some implementations, a method of making a carbon coating comprises applying a first adhesive material to a substrate surface to provide an adhesive surface; rolling a carbon source over the adhesive surface to provide a carbon layer on the adhesive surface; and rolling an adhesive roller over the carbon layer to remove some but not all of the carbon of the carbon layer to provide the carbon coating.

Abstract: An improved tubular openwork fabric or net for food products, the openwork fabric including a plurality of filament assemblies. Each filament assembly is formed from one or more filaments and the filament assemblies are knitted as alternating conjoined and intermediate members. Each intermediate member includes a single filament assembly and each conjoined member includes a pair of filament assemblies that are worked together. The openwork fabric further includes an extension limiting member to limit a longitudinal extension of the openwork fabric.

Abstract: The present invention provides a fiber-reinforced resin intermediate material, including not only a thermoplastic resin but also a thermosetting resin, in which defects such as voids are difficult to be generated and which is excellent in shaping ability; and a method for manufacturing the same. The fiber-reinforced resin intermediate material according to the present invention is a fiber-reinforced resin intermediate material formed by attaching a resin to an outer surface part of a reinforcing fiber substrate formed of reinforcing fibers subjected to opening and heating the resin to a temperature equal to or higher than the melting point of the resin to impregnate the reinforcing fiber substrate with the resin, wherein the reinforcing fiber substrate has void space that is opened on an outer surface thereof and the resin is in a semi-impregnated state.

Abstract: A method of forming end-form structures from recycled plastics includes i) providing molten agglomerated plastics in noodle form; ii) delivering the molten agglomerated plastics to a shaper; iii) forming an end-form of agglomerated plastics in the shaper by controlling movement and/or position of the shaper, the end-form comprising the agglomerated plastics welded together with voids therebetween; and iv) cooling at least an outer profile of the end-form to form the structure.

Abstract: The invention relates to storage-stable one-component (1K) polyurethane prepregs and to shaped bodies produced therefrom.

Abstract: The present invention is a carbon nanotube aggregate having a three-dimensional shape. The carbon nanotube aggregate having a three-dimensional shape includes a first surface, a second surface and a side surface, wherein a carbon nanotube of the first surface has a Herman orientation coefficient greater than ?0.1 and smaller than 0.2, a carbon nanotube of the second surface has a Herman orientation coefficient greater than ?0.1 and smaller than 0.2, and a carbon nanotube of the side surface has degree of orientation in which a Herman orientation coefficient is 0.2 or more and 0.99 or less, and the first surface and second surface are mutually arranged in parallel and the side surface is perpendicular with respect to the first surface and second surface.

Abstract: A method for making a first ply for laying up a fibrous preform on a tool. An attachment zone is made on the laying up surface of the tool. The zone is integral with the laying up surface of the tool. A polymer is deposited by additive manufacturing on the surface of the tool. The polymer deposit passes on the attachment zone. The first ply is laid up by activating the tackiness of the polymer deposited using additive manufacturing, so as to make the deposited fibers adhere to the material deposited by additive manufacturing.

Abstract: A fire barrier laminate including: at least one non-fibrous fire barrier layer directly or indirectly coated onto at least one first polymeric flame propagation resistant film layer; at least one second film layer proximate to the non-fibrous fire barrier layer opposite the first polymeric flame propagation resistant film layer; at least one scrim layer disposed: (i) between the non-fibrous fire barrier layer and the first polymeric flame propagation resistant film layer; and/or (ii) between the non-fibrous fire barrier layer and the second film layer; and/or (iii) proximate to the first polymeric flame propagation resistant film layer opposite the non-fibrous fire barrier layer; and/or (iv) proximate to the second film layer opposite the non-fibrous fire barrier layer. Also, a method of making the fire barrier laminate.

Abstract: A low-stress line workpiece and a method for integrally forming the same is disclosed. Firstly, an in-mold injection molding mold is provided, wherein a function film, a 3D curved-surface plastic material, and an anti-rainbow stripe combination layer are placed in the in-mold injection molding mold. The in-mold injection molding mold is used to mold the function film, the plastic material and the combination layer into a low-stress line workpiece integrally formed by in-mold forming. The low-stress line workpiece includes the function film, the plastic layer and the combination layer, wherein the plastic layer is located between the function film and the combination layer. The present invention provides a low-stress line workpiece with high surface hardness and a method for forming the same to reduce lamination fabrication processes and improve lamination yield.

Abstract: Fiber-reinforced nonwoven composites having a wide variety of uses (e.g., leisure goods, aerospace, electronics, equipment, energy generation, mass transport, automotive parts, marine, construction, defense, sports and/or the like) are provided. The fiber-reinforced nonwoven composite includes a plurality of carbon fibers and a polymer matrix. The plurality of carbon fibers have an average fiber length from about 50 mm to about 125 mm. The fiber-reinforced nonwoven composite comprises a theoretical void volume from about 0% to about 10%.

Abstract: According to one embodiment, an insulation blanket for insulating a structure includes a first facer layer and a second facer layer. A plurality of intermeshed non-woven glass fibers are disposed between the first and second facer layers and a fumed silica insulating powder is also disposed between the first and second facer layers. The fumed silica insulating powder has an average particle size of between about 2 and 20 nanometers. The insulation blanket includes at least one exposed edge having a cauterized face that forms a barrier on the exposed edge to encase the fumed silica insulating powder within the interior of the insulation blanket, which minimizes degradation of the insulating value due to loss or shedding of the fumed silica insulating powder through the exposed edge. The cauterized edge has a depth of cauterized material of between about 0.05 mm and 3 mm.

Abstract: The present invention relates to a cosmetic composition applicator including an anti-contamination layer including an impermeable sheet. The applicator, according to the present invention, can prevent contamination and discoloration by a cosmetic composition or external influences caused by germs and the like, and thus is easy to use and hygienic.

Abstract: In one embodiment, an apparatus may include a first mesh of conductive material covering an area corresponding to at least a portion of the touch sensor. The first mesh includes a number of mesh cells. Each of the mesh cells has a number of vertices. Each of the vertices has a substantially randomized location within an inner portion of one of a number of polygons. The polygons collectively and contiguously covers the area corresponding to at least a portion of the touch sensor. One or more dimensions of the polygons is based at least in part on a pre-determined distance threshold between one or more pairs of opposing vertices. The apparatus also includes a computer-readable non-transitory storage medium coupled to the touch sensor and embodying logic that is configured when executed to control the touch sensor.

Abstract: A knit fabric containing a stitch yarn set containing pairs of stitch yarns, a warp yarn set containing in-lay warp yarns, and a weft yarn set containing weft inserted yarns. Each pair of stitch yarns comprises a first stitch yarn and a second stitch yarn, where the first stitch yarn has a two bar first stitch pattern comprising repeating pattern of at least one tricot stitch optionally followed by at least one pillar stitch and the second stitch pattern comprises a mirror image to the first stitch pattern. The first stitch yarn and the second stitch yarn within each pair of stitch yarns are interlinked together, but the first stitch yarn and second stitch yarn of one pair of stitch yarns are not interlinked with first stitch yarn and second stitch yarn of adjacent pairs of stitch yarns.

Abstract: A strip-form toilet cleaning product comprising a width (B), a height (H) and a thickness (S), wherein the ratio between width (B), height (H) and thickness (S) is between 1:1:0.01 and 1:0.1:0.2, a first extruded phase and at least one second extruded phase, wherein at least the contour of a contact surface (4, 4a, 4b) along the center axis (8) takes the form of a sine wave which has an amplitude of A1,O, wherein the ratio of amplitude to width (B) A1,O:B amounts to between 1:10 and 1:25 and the periodic length of the sine wave corresponds to 0.1-1 times the width (B) of the toilet cleaning product.

Abstract: Disentangled high or ultrahigh molecular weight polyethylene ((U)HMWPE) being produced with a Ziegler-Natta catalyst, characterized by (i) a factor for the normalized elastic modulus G?0/G?P of less than 0.95 determined in a dynamic time sweep measurement at 180° C. with constant strain of 0.5% at fixed frequency of 10 rad/s for at least 3600 s, whereby G?0 is the elastic shear modulus measured at t0 directly after melting the sample and G?p is the maximum plateau modulus.

Abstract: The object of the invention is a cover device (1) for moving system or machine parts such as e.g. machine bellows, axle boots etc., the cover device (1) having a reinforcing element, the reinforcing element having a plurality of threads or yarns, the threads or yarns featuring a reticulated silicone-rubber.

Abstract: The present disclosure provides a fabric structure for manufacturing water sports garments. The foamed rubber sheet has a first surface and a second surface opposite to the first surface. The inner fabric layer includes a draining fabric layer attached to the first surface of the foamed rubber sheet, an elastic fabric layer attached to the draining fabric layer, and a water repellent fabric layer attached to the elastic fabric layer. The outer fabric layer is attached to the second surface of the foamed rubber sheet. Water may directly pass into the draining fabric layer, through the water repellent fabric layer and the elastic fabric layer, and be drained out of the fabric structure. Therefore, the user wearing the water sports garment made of the fabric structure may feel comfortable and warm while water is drained out.

Abstract: A method for making a lightweight surgical mesh, having the steps of applying a first set of filaments in a first wale direction and forming a first series of loops at each of a plurality of courses. Applying a second set of filaments in the first wale direction and forming a second series of loops at a first adjacent wale to the first wale direction and a third series of loops at a second adjacent wale opposite the first adjacent wale along the plurality of courses. Further, applying a third set of filaments in the first wale direction so that the second series of loops are formed at the second adjacent wale and the third series of loops are formed at first adjacent wale along the plurality of courses. Additionally, applying a fourth set of filaments that interlace repeatedly with the first set of filaments along the first wale direction.

Abstract: Dimensionally stable nonwoven fibrous webs include a multiplicity of continuous fibers formed from one or more thermoplastic polyesters and polypropylene in an amount greater than 0% and no more than 10% by weight of the web. The webs have at least one dimension which decreases by no greater than 10% in the plane of the web when heated to a temperature above a glass transition temperature of the fibers. A spunbond process may be used to produce substantially continuous fibers that exhibit molecular orientation. A meltblown process may be used to produce discontinuous fibers that do not exhibit molecular orientation. In some embodiments, the fibers comprise a viscosity modifier and/or an anionic surfactant. The webs may be used as articles for filtration, sound absorption, thermal insulation, surface cleaning, cellular growth support, drug delivery, personal hygiene, medical apparel, or wound dressing.

Abstract: The present invention relates to a fibre sheet material and method of laying up fibre sheet material to manufacture wind turbine blades. The invention further comprises a blade manufactured by the method as well a use of such a blade. One aspect relates to an oblong fibre sheet material (26) for wind turbine blades, where a surface layer (14) is having a width, which in the lateral direction is broader than a lateral, unidirectional layer (10), and lengthwise side faces of at least the surface layer is provided with a thinning of a thickness of the layer to obtain favourable joints. Another aspect concerns manufacturing a wind turbine blade shell comprising laying fibre sheet (26) materials in a blade mould (20), where the sheet materials lengthwise are positioned in a direction corresponding to a chordwise direction of a turbine blade direction of the mould and overlapping in a spanwise direction.

Abstract: The present invention relates to a copolymer composition comprising 5-95 pphwm of vinyl acetate and 95-5 pphwm of vinyl 3,5,5-trimethylhexanoate, wherein the corresponding 3,5,5-trimethylhexanoic acid has a content of the 3,5,5-trimethylhexanoic acid isomer of at least 88% by weight. Said copolymer is composed and synthesized so as to be useful in the formulation of binders for fibrous substrates such as woven or nonwoven products, paints, adhesives for porous or non-porous substrates, construction cementitious compositions, redispersible powders.

Abstract: A marking tape for application on pavement which comprises a core layer and an adhesive layer outside the core layer. The core layer is formed of a combination of a conforming layer of a thermoplastic material, a marking layer of a cross-linked material, and a fibrous layer. The conforming layer and the marking layer are contiguous and/or directly interconnected with each other. The marking tape is preferably relatively light weight and relatively inexpensive.

Abstract: A cytokine adsorption sheet comprises a nanofiber web formed by electrospinning a spinning solution prepared by mixing an adsorbent material capable of adsorbing cytokine and an electrospinnable polymer material. Thus, the dissolution of the adsorbent material by blood can be prevented.

Abstract: A multipurpose mesh, and the mesh includes a plurality of main frames; and a mesh fabric surrounding the main frames, in which each of the plurality of main frames includes a first frame and a second frame, a first end of the first frame and a first end of the second frame are rotatably coupled with each other, and a second end of the first frame and a second end of the second frame are rotatably coupled with each other, and each of the plurality of main frames is spaced apart from each other is disclosed.

Abstract: An adhesive tape comprising a fragrance and a method of making the same. The adhesive tape may be a duct tape, for example.

Abstract: Prepregs, cores and composite articles are described that comprise lighter weight materials and/or lower amounts of adhesive than commonly used. In some instances, one or more components of the articles may comprise a repellent material or repellent treatment to reduce the overall absorption rate of adhesive into the components of the article.

Abstract: A cement board includes grain material, sand grains, fiber material, fiber glass, cement, plastic cement, glue, and ammonium dichromate. The grain material includes aluminum silicate grain, bones, shells, dry stall pumice, perlite, coral, and coal ash. The fiber material includes straws, hemp, reeds, bamboo tree, plastic threads, and chaffs processed with wood preservative and fire deterrant. The the grain material, the fiber material, the fiber glass, the cement, the plastic cement, the glue, and the ammonium dichromate are mixed substantially evenly and formed into a board. The ratio of the cement and the plastic cement to the grain material, the sand grains, and the fiber material may be about 10% to 20%. The ratio of the cement to the plastic cement may be about 50% of both in total. The volume ratio of the grain material to the fiber material may be about 50% to 70% of both in total.

Abstract: A flexible textile or cloth is provided that can be hardened to a rigid or semi-rigid condition. The textile can incorporate reinforcement fibers to provide improved mechanical properties. The reinforcement fibers can be added in a various configurations without unnecessarily increasing the weight of the textile. Further, the textile can include at least one flap to facilitate readily joining the textile with another component such as another textile to create a composite construction.

Abstract: The invention relates to a yarn comprising polymeric filaments and/or polymeric staple fibers containing a filler, wherein said filler is a plurality of fibrils having an average length of between 50 ?m and 200 ?m.

Abstract: A method of thermally insulating an object that requires a Class A standard insulation material, said method comprising suitably locating a metallized polymeric reflective insulation material adjacent said object, wherein said polymeric material is selected from a closed cell foam, polyethylene foam, polypropylene foam, expanded polystyrene foam, multi-film layers assembly and a bubble-pack assembly. The object is preferably packaging, a vehicle or a residential, commercial or industrial building or establishment. The polymeric material may contain a fire-retardant and the bright surface of the metallized layer has a clear lacquer coating to provide anti-corrosion properties, and which meets commercial reflectance criteria.

Abstract: A recombinant fusion protein comprising the moieties Band CT is provided. B is a non-spidroin moiety which provides the capacity of selective interaction with an organic target. CT is a moiety of from 70 to 120 amino acid residues and is derived from the C-terminal fragment of a spider silk protein. The fusion protein is not comprising any moiety derived from the repetitive fragment of a spider silk protein.

Abstract: Unique blends of fibers that incorporate synthetic cellulosic fibers to render fabrics made with such blends more durable than fabrics made with natural cellulosic fibers such as cotton. While more durable than cotton, the synthetic cellulosic fibers used in the blends are still inexpensive and comfortable to the wearer. Thus, the benefits of cotton (affordability and comfort) are still attained while a drawback of cotton—low durability—is avoided. In one embodiment, the fiber blend includes FR modacrylic fibers and synthetic cellulosic fibers, preferably, but not necessarily non-FR lyocell fibers such as TENCEL™ and TENCEL A100™. Other fibers may be added to the blend, including, but not limited to, additional types of inherently FR fibers, anti-static fibers, anti-microbial fibers, stretch fibers, and/or high tenacity fibers. The fiber blends disclosed herein may be used to form various types of FR fabrics.

Abstract: Filter media, as well as related assemblies, systems and methods. Filter media may contain one or more layers formed of a meltblown material.

Abstract: The present invention provides a cosmetic product and a method for producing same, wherein the cosmetic product comprising a screen mesh includes: one or more materials selected from a group consisting of polyurethane, thermoplastic elastomer (TPE), polyester, polyether, acryl and olefin; and an absorbing material adjacent to the screen mesh. The cosmetic product of the present invention enables a user to appropriately adjust the degree of discharge of contents during use of the contents and to use the residual quantity of the carried contents as much as possible by means of the elasticity of the absorbing material. The cosmetic product of the present invention provides a wide variety of choices of absorbing materials compared with conventional cosmetics in which choices of absorbing materials are restricted by the types and pore sizes of the absorbing materials.

Abstract: A cloth includes a scrim backing and an aluminized coating heat pressed to either or both sides of the scrim, preferably between rollers which apply pressure to the scrim and the coating at a temperature selected to cause the coating to adhere to the scrim. If the scrim is dimpled, the heated aluminized plastic flows into the dimples, enhancing the bonding of the coating to the scrim and also at least partially filling the dimples to provide a smoother reflective finish than the uncoated surface of the scrim. If the scrim is not already dimpled, the surface of the pressing rollers can be selected to provide the desired dimpling. The scrim strengthens the cloth against tearing, stretching and distortion. The coating provides a radiant barrier. The resulting cloth is thin, lightweight, easily manipulated, thermally efficient, extremely “quiet” and especially well suited to hunting or other natural-environment activities.

Abstract: The disclosure provides a transparent conductive structure. The transparent conductive structure includes a transparent substrate, a first mesh structure and a second mesh structure. In which, the transparent substrate has a top surface and a bottom surface opposite to the top surface. The first mesh structure is positioned on the top surface of the transparent substrate, and includes a first dielectric layer, a first metal layer positioned on the first dielectric layer and a first anti-reflective layer positioned on the first metal layer. The second mesh structure is positioned on the bottom surface of the transparent substrate, and includes a second dielectric layer, a second metal layer positioned on the second dielectric layer and a second anti-reflective layer positioned on the second metal layer.

Abstract: A lightweight cementitious panel formed from a core mix is disclosed. The lightweight cementitious panel comprises one or more lightweight aggregate filler in the amount of 0.5 to 5 weight percent of the core mix, one or more binders in the amount of 35 to 75 weight percent of the core mix, rheological admixture in the amount of about 0.5 to 5 weight percent of the core mix, surfactant in the amount of 0 to 0.1 weight percent of the core mix, one or more normal weight aggregate filler in the amount of 5 to 50 weight percent of the core mix, and water in the amount of 5 to 20 weight percent of the core mix.

Abstract: A fiber mat comprising a first fiber layer, the first fiber layer formed by combining 45-55% by weight of synthetic polymer fibers; 35-45% by weight of natural fibers; and 5-15% by weight of carbon fibers, as well as a formed article comprising a molded substrate formed from a fiber mat, the fiber mat comprising a first fiber layer formed by combining 45-55% by weight of synthetic polymer fibers; 35-45% by weight of natural fibers; and 5-15% by weight of carbon fibers.

Abstract: The objective of the present invention is to provide a porous ultra-thin polymer film, and a method for producing said porous ultra-thin polymer film. The present invention provides a porous ultra-thin polymer film with a film thickness of 10 nm-1000 nm. In addition, the present invention provides a method for producing a porous ultra-thin polymer film, comprising the steps of: dissolving two types of mutually-immiscible polymers in a first solvent in an arbitrary proportion to obtain a solution; applying the solution onto a substrate and then removing the first solvent from the solution applied onto the substrate to obtain a phase-separated ultra-thin polymer film that has been phase-separated into a sea-island structure; and immersing the ultra-thin polymer film in a second solvent which is a good solvent for the polymer of the island parts but a poor solvent for a polymer other than the island parts to remove the island parts, thereby obtaining a porous ultra-thin polymer film.