Abstract: Disclosed are a separator for a lithium secondary battery and a lithium secondary battery comprising same. The separator for a lithium secondary battery comprises: a porous substrate; and a coating layer disposed on at least one side of the porous substrate, wherein the coating layer contains heat-resistant organic particles, an organic heat-resistant binder, and an organic adhesive binder, wherein the heat-resistant organic particles have a thermal decomposition temperature of 150° C. or higher and a particle diameter of 100 nm to 300 nm, the organic heat-resistant binder is a first organic material having a glass transition temperature of 130° C. to 200° C., the organic adhesive binder is a second organic material having a glass transition temperature of ?40° C. or lower, and the mixing weight ratio of the organic heat-resistant binder and the organic adhesive binder is 7:3 to 9:1.

Abstract: We have discovered that heating PFAS in the presence of silica resulted in destruction of over 90% of PFAS under surprisingly mild conditions. Experimental results are presented showing that the reaction occurs along with etching of the silica glass, presumably caused by HF created during the reaction or in previous reactions. The methods of destroying PFAS are especially effective for treating relatively concentrated solutions such as those commonly encountered in AFFF waste stock and cleanup near fire-fighting training sites, as well as concentrated waste solutions from industrial sites involving the manufacture or application of PFAS.

Abstract: A secondary battery includes: an electrode plate including a main body portion and an electrode terminal portion protruding from the main body portion along a first direction; and a separator adhered to the electrode plate, wherein the main body portion of the electrode plate includes a central region located in a vicinity of a center in the first direction, a first region located on a side close to the electrode terminal portion with respect to the central region in the first direction, and a second region located on a side opposite to the first region with respect to the central region in the first direction, and adhesion strength per unit area between the electrode plate and the separator in the first region is higher than adhesion strength per unit area between the electrode plate and the separator in the second region.

Abstract: The present invention relates to cerium oxide particles that have excellent heat resistance and/or pore volume especially useful for catalysts, functional ceramics, solid electrolyte for fuel cells, polishing, ultraviolet absorbers and the like, and particularly suitable for use as a catalyst or cocatalyst material, for instance in catalysis for purifying vehicle exhaust gas. The present invention also relates to a method for preparing such cerium oxide particles, and a catalyst, such as for purifying exhaust gas, utilizing these cerium oxide particles.

Abstract: A method of making an oil repellent sheet material according to an embodiment of the present disclosures includes a step of applying to a porous sheet a composition for forming an oil repellent layer, the composition containing a solvent and an amorphous fluorine resin dispersed therein, and a step of swaging the porous sheet after the step of applying, wherein the porous sheet has a fibrous skeleton composed mainly of polytetrafluoroethylene, the method of making an oil repellent sheet material further comprising a heat treatment step of heating the porous sheet to which the composition for forming an oil repellent layer is applied, before or after the step of swaging.

Abstract: A functional binder and a separator including the functional binder, in which the separator includes a porous polyolefin substrate and an organic-inorganic hybrid porous coating layer formed on at least one surface of the substrate and configured to include a mixture of inorganic particles and a binder compound, thus increasing binder-inorganic material adhesion and substrate-binder adhesion while preventing internal shorting from occurring by performing self-healing of damage to the separator, enhancing the adhesion of the separator to a cathode and an anode, and withstanding the dissolution of a transition metal of a cathode material. The binder contains 10 wt % or more of a hydroxyl group per molecule thereof.

Abstract: A partially degradable polymeric fiber includes a thermally degradable polymeric core and a coating surrounding at least a portion of the core. The thermally degradable polymeric core includes a polymeric matrix including a poly(hydroxy-alkanoate), and a metal selected from the group consisting of an alkali earth metal and a transition metal, in the core polymeric matrix. The concentration of the metal in the polymeric matrix is at least 0.1 wt %. The partially degradable polymeric fiber may be used to form a microvascular system containing one or more microfluidic channels.

Abstract: Microporous sheet product and methods of making and using the same. In one embodiment, the microporous sheet product is made by a process that includes melt-extruding a sheet material using an extrusion mixture that includes a thermoplastic polymer, a superabsorbent polymer, and a compatibilizing agent. After extrusion, the compatibilizing agent may be removed from the sheet material. When the sheet product is imbibed with a polar or ion-containing liquid, the superabsorbent polymer swells, causing a reduction in the pore size of the sheet product. The exposure also causes some of the superabsorbent polymer to migrate to the exterior of the microporous sheet product. The microporous sheet product may be used, for example, as a battery separator, as a food packaging material, as a diffusion barrier in the ultrafiltration of colloidal matter, and in disposable garments.

Abstract: Polymeric multilayer film comprising a layer comprising a first pressure sensitive adhesive and exhibiting a random network of strands and connective regions. The polymeric multilayer films are useful, for example, for tape and graphic articles.

Abstract: Polymeric multilayer film comprising a layer exhibiting a random network of strands and connective regions that is separable from the remaining polymeric multilayer film. The polymeric multilayer films are useful, for example, for tape and graphic articles.

Abstract: Polymeric multilayer film comprising at least two adjacent layers each exhibiting a random network of strands and connective regions. The polymeric multilayer films are useful, for example, for tape and graphic articles.

Abstract: A polyurethane elastomer composition of (a) an organic diisocyanate, (b) a polyester resin; (c) a chain extender comprised of a polyhydric alcohol, (d) a crosslinker, (e) a plasticizer, (f) a surfactant, (g) a blowing or foaming agent, and (h) an optional dye; and where the elastomer has, for example, a hardness value of, for example, from about 20 Asker C to about 60 Asker C, a tensile strength of, for example, from about 1 MPa to about 10 MPa, a resilience of, for example, from about 30 percent to about 60 percent, an elongation at break of from about 150 percent to about 700 percent, and a tear strength of, for example, from about 2 Newtons/millimeters2 to about 4 Newtons/millimeters2.

Abstract: A polyurethane elastomer composition of (a) an organic diisocyanate, (b) a polyester resin; (c) a chain extender comprised of a polyhydric alcohol, (d) a crosslinker, (e) a plasticizer, (f) a surfactant, (g) a blowing or foaming agent, and (h) an optional dye; and where the elastomer has, for example, a hardness value of, for example, from about 20 Asker C to about 60 Asker C, a tensile strength of, for example, from about 1 MPa to about 10 MPa, a resilience of, for example, from about 30 percent to about 60 percent, an elongation at break of from about 150 percent to about 700 percent, and a tear strength of, for example, from about 2 Newtons/millimeters2 to about 4 Newtons/millimeters2.

Abstract: Polymer matrix composite comprising a porous polymeric network; and a plurality of intumescent particles distributed within the polymeric network structure; wherein the intumescent particles are present in a range from 15 to 99 weight percent, based on the total weight of the intumescent particles and the polymer (excluding the solvent); and wherein the polymer matrix composite volumetrically expands at least 2 times its initial volume when exposed to at least one temperature greater than 135° C.; and methods for making the same. The polymer matrix composites are useful, for example, as fillers, thermally initiated fuses, and fire stop devices.

Abstract: The present disclosure provides an aromatic polyamide porous membrane having a uniform internal structure. The internal structure of the membrane is a three-dimensional network porous structure with micron-sized pores. The aromatic polyamide porous membrane of the present disclosure has good thermal stability and is especially suitable for a high energy density lithium-ion power battery, and greatly improves the thermal runaway temperature of the battery. The present disclosure further provides a method for preparing the membrane and a lithium secondary battery having the membrane.

Abstract: An electrochemical device of the present invention includes a positive electrode, a negative electrode, a non-aqueous electrolyte, and a separator. The separator includes a first porous layer composed mainly of a thermoplastic resin and a second porous layer composed mainly of insulating particles with a heat-resistant temperature of 150° C. or higher. The first porous layer is disposed to face the negative electrode.

Abstract: A treated vapor permeable microporous membrane includes: a microporous membrane having a first side and a second side opposite the first side. The membrane includes a thermoplastic organic polymer having a polyolefin. The membrane defines a network of interconnecting pores communicating substantially throughout the membrane. The treated membrane further includes finely divided, particulate filler distributed throughout the membrane and a first hydrophobic/oleophobic material over at least a portion of the first side. A method of preparing the treated vapor permeable microporous membrane is also disclosed.

Abstract: Provided are a negative electrode, a method for preparing the negative electrode, and an electrochemical device. The negative electrode includes a current collector and a negative electrode active material layer disposed on at least one surface of the current collector and comprising a negative electrode active material. A porous inorganic dielectric layer is provided on a surface of the at least one negative electrode active material layer away from the current collector; a thickness of the porous inorganic dielectric layer is 20 nm-2000 nm, and the porous inorganic dielectric layer contains no binder. The negative electrode can alleviate lithium precipitation on negative electrode surface during large-current charging, stabilize negative electrode interface, and alleviate side reaction between the negative electrode and the electrolyte, thereby improving the cycle life of the battery, reducing short-circuit risk in the battery and improving high-temperature life of the battery.

Abstract: Polymer matrix composite comprising a porous polymeric network; and a plurality of thermally insulating particles distributed within the polymeric network structure, wherein the thermally insulating particles are present in a range from 15 to 99 weight percent, based on the total weight of the thermally insulating particles and the polymer (excluding the solvent); and wherein the polymer matrix composite has a density not greater than 3 g/cm3; and methods for making the same. The polymer matrix composites are useful, for example, in electronic devices.

Abstract: This disclosure provides a unique approach for the synthesis of non-stoichiometric, mesoporous metal oxides with nano-sized crystalline wall. The as-synthesized mesoporous metal oxide is very active and stable (durability >11 h) electocatalyst in both acidic and alkaline conditions. The intrinsic mesoporous metal oxide serves as an electrocatalyst without the assistant of carbon materials, noble metals, or other materials, which are widely used in previously developed systems. The as-synthesized mesoporous metal oxide has large accessible pores (2-50 nm), which are able to facilitate mass transport and charge transfer. The as-synthesized mesoporous metal oxide requires a low overpotential and is oxygen deficient. Oxygen vacancies and mesoporosity served as key factors for excellent performance.

Abstract: Provided herein are biodegradable poly(ester amide) elastomers, methods of making the elastomers, and methods of using the elastomers, for example for tissue engineering. The elastomers can be used for preparation of tissue prostheses, such as a heart valve leaflet, a heart valve, cartilage, myocardium, blood vessels, smooth muscle, skeletal muscle, or other tissues. Also provided herein are semiquantitative FTIR methods for determining structure of a poly(ester amide) elastomer.

Abstract: The present disclosure provides a separator for an electrochemical device, comprising: a porous polymer film; and a porous coating layer formed on one or both surfaces of the porous polymer film and comprising at least one of inorganic particles and organic particles, and a binder polymer, wherein fibrils in the surface of the porous polymer film are entangled with the particles in the porous coating layer in the contact surface between the porous polymer film and the porous coating layer, and the separator has an air permeability of 100 to 800 sec/100 cc, an electrical resistance of 0.5 to 1.5?, and a heat-shrinkage rate of 8% or less in each of machine and transverse directions, and an electrochemical device having the same.

Abstract: An airbag comprises a textile substrate and a coating on at least a portion of the surface of the textile substrate. The coating comprises a polyurethane polymer and a phosphorous compound. The phosphorous compound can be selected from the group consisting of esters of phosphoric acid, esters of phosphonic acid, esters of phosphinic acid, and mixtures thereof. An airbag module comprises the above-described airbag, a gas generator, and a cover at least partially enclosing the airbag and gas generator.

Abstract: A helmet having two layers that slide with respect to each other is provided. The surface of one or both layers includes a sliding facilitator to improve slidability between the two layers. The sliding facilitator includes at least one of (i) an organic polymer, a polysiloxane and surfactant; (ii) an organic polymer and a copolymer based on a polysiloxane and an organic polymer; or (iii) a non-elastomeric cross-linked polymer obtained or obtainable by subjecting a polysiloxane and an organic polymer to a cross-linking reaction.

Abstract: The present disclosure provides methods for forming asymmetric membranes. More specifically, methods are provided for applying a polymerizable species to a porous substrate for forming a coated porous substrate. The coated porous substrate is exposed to an ultraviolet radiation source having a peak emission wavelength less than 340 nm to polymerize the polymerizable species forming a polymerized material retained within the porous substrate so that the concentration of polymerized material is greater at the first major surface than at the second major surface.

Abstract: The invention relates to a liquid (meth)acrylic syrup for impregnating a fibrous substrate. The invention especially relates to a viscous liquid syrup mainly containing methacrylic or acrylic components. The invention also relates to a method for producing such a syrup. The invention relates further to a method for impregnating a fibrous substrate or long fibers with said viscous liquid syrup. The invention also relates to a fibrous substrate pre impregnated with said syrup, which is useful for the production of mechanical or structured parts or products. The invention also relates to a production method for producing mechanical or structured parts or items and to three-dimensional mechanical or structured parts produced by said method. The invention allows significant reduction of the exothermic peak during the polymerization of the syrup, reduction of the residual monomer content at the end of the polymerization, and production of parts in a composite material without defects or with few defects.

Abstract: Microporous material having a spherulitic matrix made from ethylene chlorotrifluoroethylene copolymer has a plurality of pores having an average pore size greater than about 0.01 micrometer. The material is made by thermally induced phase separation (TIPS) process that includes melt mixing ethylene chlorotrifluoroethylene copolymer, diluent and nucleating agent to provide a melt mixed composition; shaping the melt mixed composition; cooling the shaped melt mixed composition to induce phase separation of the ethylene chlorotrifluoroethylene copolymer to provide a phase separated material; and stretching the phase separated material to provide the microporous material. The microporous material may be incorporated into articles and the articles may include one, two or more layers of microporous material.

Abstract: A method for preparing a resin-treated microporous membrane by electrodeposition is disclosed.

Abstract: A printable recording media containing a substrate and a coating layer including a mixture of a first polymer selected from the group consisting of a polymer comprising ethylene residues and vinyl alcohol residues and a polymer comprising vinyl alcohol residues and a second polymer comprising ethylene residues, ethyl acrylate or acrylic ester residues and maleic anhydride residues wherein the amount of first polymer, in the mixture, is about 50% to about 95% by weight. Also disclosed herein is a method for making such printable recording media.

Abstract: Provided herein are biodegradable poly(ester amide) elastomers, methods of making the elastomers, and methods of using the elastomers, for example for tissue engineering. The elastomers can be used for preparation of tissue prostheses, such as a heart valve leaflet, a heart valve, cartilage, myocardium, blood vessels, smooth muscle, skeletal muscle, or other tissues. Also provided herein are semiquantitative FTIR methods for determining structure of a poly(ester amide) elastomer.

Abstract: Disclosed is a laminated polyolefin microporous membrane having a two-type three-layer structure in which first polyolefin microporous layers are surface layers and a second polyolefin microporous layer is an intermediate layer which is different from the first polyolefin microporous layer, in which at least one of the first polyolefin microporous layers and the second polyolefin microporous layer comprises a polypropylene-based resin in which a mass ratio of polypropylene to propylene copolymer is 0 or more and 2.29 or less, and a melting point of the polypropylene copolymer is 120° C. or higher and 145° C. or lower. Also disclosed is a method of making the same.

Abstract: A modified poly(arylene ether) resin composition includes a mixed resin that includes a poly(arylene ether) resin, a styrene-based resin and a polyolefin resin; a flame retardant; and mineral oil. A weight-average molecular weight of the mineral oil is 460 to 1,000 g/mol. A wire is manufactured using the modified poly(arylene ether) resin composition.

Abstract: A luminescent product 100, a lamp and a light source are provided for converting light of a first color into light of a second color. The luminescent product 100 comprises a matrix polymer 108 and another material 106. The matrix polymer 108 comprises a luminescent material which converts light of a first color into light of a second color. The another material 106 is light transmitting. The luminescent product 100 is at least partially light transmitting and the matrix polymer has a three dimensional structure which has multiple surfaces being an interface between the matrix polymer and the another material to allow, in use, a light beam 104, which impinges on a side 102 of the luminescent product 100, to pass at least four times an interface between the matrix polymer 108 and the another material 106 before at least a part of the light beam 104 leaves the luminescent product 100 at another side 110 of the luminescent product 100.

Abstract: Methods for making wet gels and dried gels therefrom are provided. The method for making a wet gel can include combining a hydroxybenzene compound, an aldehyde compound, and an additive to produce a reaction mixture. The additive can include a carboxylic acid, an anhydride, a homopolymer, a copolymer, or any mixture thereof. At least the hydroxybenzene compound and the aldehyde compound can be reacted to produce a wet gel. The reaction mixture can include about 10 wt % to about 65 wt % of the hydroxybenzene compound, about 5 wt % to about 25 wt % of the aldehyde compound, up to about 85 wt % of the carboxylic acid, up to about 40 wt % of the anhydride, up to about 40 wt % of the homopolymer, and up to about 40 wt % of the copolymer, where weight percent values are based on the combined weight of the hydroxybenzene compound, the aldehyde compound, and the additive.

Abstract: A system for providing a force to a desired area on a curved body part of a person includes a dressing assembly shaped and configured to be placed on the desired area of the person, a releaseable circumferential member surrounding the curved body part that holds the dressing assembly against the desired area, a sealing subsystem for providing a fluid seal over the dressing assembly and the person's skin, and a reduced-pressure subsystem for providing a reduced pressure to the dressing assembly. When reduced pressure is supplied, the system generates the force against the desired area on the curved body part.

Abstract: The disclosure provides a laminated polyolefin microporous membrane having propylene-?-olefin copolymer and methods of producing the same. The laminated polyolefin microporous membrane has a two-type three layer structure in which first polyolefin microporous layers are surface layers and a second polyolefin microporous layer is an intermediate layer which is different from the first polyolefin microporous layer.

Abstract: A ridge vent comprising: (a) a first filter clothe layer extending along a predetermined width and a predetermined length; (b) a first entangled net layer extending along the predetermined width and the predetermined length; and, (c) a second entangled net layer operatively coupled to the first entangled net layer, the second entangled net layer extending along the predetermined length and a first portion and a second portion of the predetermined width so as to provide an air void in a widthwise direction within the second entangled net layer that extends along the predetermined length.

Abstract: The present invention relates to a polyurethane which is the reaction product of a polyisocyanate and polyester, wherein said polyester is formed from a dimer fatty acid, a C2 to C4 diol, and a C8 to C16 dicarboxylic acid or C6 to C12 lactide. The inventions also relates to a polyester for use in forming the polyurethane of the first aspect, said polyester formed from a dimer fatty acid, a C2 to C4 diol, and a C8 to C16 dicarboxylic acid or C6 to C12 lactide.

Abstract: The invention provides processes for the manufacture of conductive transparent films and electronic or optoelectronic devices comprising same.

Abstract: An electronic device includes a first molded product integrated with an electronic component, and a second molded product secondarily molded outside of the first molded product. The first molded product includes a thermosetting resin, and a first additive contained in the thermosetting resin, and the second molded product includes a thermoplastic resin, and a second additive contained in the thermoplastic resin and having a reactive group that chemically bonds with the first additive. At an interface between the first molded product and the second molded product, the first additive and the second additive are joined to each other by one or more joint actions selected from covalent bonding, ionic bonding, hydrogen bonding, intermolecular forces, dispersion force, and diffusion. As a result, the adhesion between both the molded products can be firmly secured through the molding technique such as the transfer molding method or the compression molding method.

Abstract: A fluid treatment arrangement may include a fluid treatment unit having a multilayer structure. The multilayer structure may include at least one feed layer, at least one permeate layer, and at least one layer of a permeable fluid treatment medium between the feed layer and the permeate layer. The fluid treatment unit may further include a thermoset which holds the layers together and forms at least a portion of a first end surface of the fluid treatment unit. The fluid treatment arrangement may also include a thermoplastic sheet which overlies the first end surface of the fluid treatment unit. The thermoset directly bonds to the thermoplastic sheet.

Abstract: A tool including a tool body, the tool body including a substrate having a tool-side surface, an intermediate layer positioned over the tool-side surface, and an outer layer positioned over the intermediate layer, the outer layer including a metallic material.

Abstract: Disclosed is a bio resin composition, a bio molded article, and a method of manufacturing the same. The bio resin composition is environmentally friendly and provides at least a predetermined level of physical properties, such as hardness, strength, and the like, by including a bio polyethylene resin, a thermoplastic olefin resin, a polypropylene resin, and an inorganic filter and by further including a thermoplastic rubber. The present composition reduces the generation of volatile organic compounds, and may increase the diversity of its use through injection molding.

Abstract: A method of making nanostructures includes following steps. A carbon nanotube structure is suspended, wherein the carbon nanotube structure includes a number of carbon nanotubes orderly aligned. A carbon nanotube composite structure is formed by applying a precoated layer on the carbon nanotube structure, wherein a thickness of the precoated layer on an outer surface of each of the number of carbon nanotubes ranges from about 2 nanometers to about 10 nanometers. The carbon nanotube composite structure is transferred on a substrate and treating the carbon nanotube composite structure with a solution. The carbon nanotube structure is removed by annealing the carbon nanotube composite structure in an annealing temperature from about 500° C. to about 700° C., wherein the precoated layer is softened and contracted.

Abstract: Methods for making wet gels and dried gels therefrom are provided. The method for making a wet gel can include combining a hydroxybenzene compound, an aldehyde compound, and an additive to produce a reaction mixture. The additive can include a carboxylic acid, an anhydride, a homopolymer, a copolymer, or any mixture thereof. At least the hydroxybenzene compound and the aldehyde compound can be reacted to produce a wet gel. The reaction mixture can include about 10 wt % to about 65 wt % of the hydroxybenzene compound, about 5 wt % to about 25 wt % of the aldehyde compound, up to about 85 wt % of the carboxylic acid, up to about 40 wt % of the anhydride, up to about 40 wt % of the homopolymer, and up to about 40 wt % of the copolymer, where weight percent values are based on the combined weight of the hydroxybenzene compound, the aldehyde compound, and the additive.

Abstract: A shaft of a laparoscopic instrument, having a ceramic tube which extends over the main length of the shaft and has a sheath which encloses the ceramic tube in at least some regions, is situated to cover those regions of the ceramic tube that are at risk of breakage and is designed to prevent the splinters of ceramic from penetrating through the sheath. The ceramic tube forms a predetermined breaking point in the region of the sheath.

Abstract: A liquid transfer connector comprises an enclosure holding a transfer needle and an exhaust needle. A container of donor liquid may be attached to an inlet end of the transfer needle and a container holding a recipient liquid may be attached to an outlet end of the transfer needle and an inlet end of an exhaust needle. The exhaust needle has an outlet end within the connector which releases displaced fluid into an absorbent mass which sequesters the fluid to prevent leakage.

Abstract: A multi-layer, microporous polyolefin membrane having at least three layers, which comprises first microporous layers made of a polyethylene resin for constituting at least both surface layers, and at least one second microporous layer comprising a polyethylene resin and polypropylene and disposed between both surface layers, the heat of fusion (?Hm) of the polypropylene measured by differential scanning calorimetry being 90 J/g or more, and the polypropylene content in the second microporous layer being 50% or less by mass based on 100% by mass of the total of the polyethylene resin and the polypropylene.

Abstract: Superhydrophobic paints and epoxies comprising superoleophilic particles and surfaces and methods of making the same are described. The superoleophilic particles can include porous particles having a hydrophobic coating layer deposited thereon. superoleophilic particles.

Abstract: An adhesive tie layer includes a binder including a multifunctional acrylate and a polyurethane, surface treated nanoparticles dispersed in the binder, and a plurality of interconnected voids. A volume fraction of interconnected voids in the adhesive tie layer is not less than about 10%.