Abstract: The present application relates to microcarrier particles for cell culture, a method for preparing the particles, and a cell culture medium composition including the particles. According to the present application, a microcarrier having a high degree of uniformity in shape or form, having porosity, and advantageous for cell attachment and isolation of cultured cells is provided.

Abstract: A method for obtaining an object, such as an interior design object or a piece of furniture, includes the steps of producing a base structure of the object, and applying a coating to at least part of the base structure. The step of applying the coating includes distributing, onto the base structure, a material castable in a mold or producing one or more preformed blocks of this castable material in a mold to be joined to the base structure, and subsequently machining the coating using machine tools to generate a final shape.

Abstract: Described is a polyurethane foam use as a wound pad or wound pad layer, wherein the polyurethane foam has an antimicrobial salt. Also described is a wound pad and a wound dressing that includes the polyurethane foam, a method for manufacturing a wound pad or wound pad layer and to a method for manufacturing a wound dressing.

Abstract: Provided by the inventive concept are aerogel foams as solid materials including hierarchical porosity created by a foam-like structure embedded in the skeletal framework of a regular aerogel, methods of preparing the same without the presence and/or use of added chemical foaming agents, prefabricated templates, supercritical fluids and/or sacrificial chemicals, and methods of using the same.

Abstract: Process for the removal of particulate matter from an aqueous stream containing a concentrated acid, preferably concentrated sulfuric acid, the process including mechanical filtration by passing the aqueous stream through a filter unit, the filter unit including a metallic, ceramic or polymeric filter, or a filter including a filter aid on a septum. The aqueous stream is the exit stream of a sulfuric acid condenser, optionally the exit stream of a sulfuric acid concentrator arranged downstream the sulfuric acid condenser.

Abstract: An aerosol can configuration includes an outer can, an inner container and a spray head with a discharge element. The spray head has an outlet valve connected to the interior of the outer can and an outlet valve connected to the interior of the inner container. The two outlet valves are opened jointly by pressing on the spray head, so that the contents of the outer can and the contents of the inner container jointly enter the discharge element. To form a foam, the outer can contains at least 30-70% by weight isocyanate, in particular diphenylmethane 4,4?-diisocyanate, 3-15% by weight polyol with an OH number of less than 300, and 5-30% by weight liquid gas at a critical temperature of ?+70° C. At least 5-30% by weight polyol with an OH number of more than 300, and 1-10% by weight liquid gas with a critical temperature of +70° C. are contained in the inner container.

Abstract: There is provided a laminate having excellent resistance to print removal and excellent abrasion resistance required in BS5609: 1986 and also providing the excellent ink dryness. The laminate includes a substrate layer (A) and a formed resin layer (B) including a first porous sub-layer (B1) and a second porous sub-layer (B2). The substrate layer (A), the second porous sub-layer (B2), and the first porous sub-layer (B1) are laminated in this order. The first porous sub-layer (B1) contains a propylene-based polymer (d1), an ethylene-based polymer (PE resin) or acrylonitrile-butadiene-styrene copolymer (ABS resin), and a filler (e1). The second porous sub-layer (B2) contains a propylene-based polymer (d2) and a filler (e2), and is free of a PE resin and an ABS resin. The content of the filler (e1) or (e2) in each porous sub-layer is 50 to 75 mass %.

Abstract: A method for the preparation of a composite article containing aerogel particles and ceramic fibers, as well as to a composite article obtained by this method, are described.

Abstract: In some embodiments, the invention provides a multiple-pane insulating glazing unit having a between-pane space. An aerogel layer is located in the between-pane space. Further, some embodiments of the invention provide a method of manufacturing such a multiple-pane insulating glazing unit. Still further, some embodiments provide a glazing assembly comprising a frame and a multiple-pane insulating glazing unit that includes an aerogel layer and is mounted in the frame. Finally, some embodiments provide a method of handling an aerogel sheet.

Abstract: A method for the preparation of a composite article containing aerogel particles and ceramic fibers, as well as to a composite article obtained by this method, are described.

Abstract: A product includes a polymer aerogel. The aerogel is physically characterized by having a transparency greater than or equal to 90% transmission of visible light through a 3 mm thickness of the aerogel. The aerogel includes at least one oligomer selected from the group consisting of: a polyamide, a polyimide, a polyacrylate, a polyvinyl, and a polythioether. A method includes dissolving at least one monomer in at least one solvent to form a mixture and causing polymerization of the at least one monomer to form at least one oligomer. The method also includes causing crosslinking of the at least one oligomer, initiating gelation of a product of the crosslinking and the at least one solvent to form an aerogel precursor; and forming an aerogel from the aerogel precursor.

Abstract: A method for obtaining an object, such as an interior design object or a piece of furniture, includes the steps of producing a base structure of the object, and applying a coating to at least part of the base structure. The step of applying the coating includes distributing, onto the base structure, a material castable in a mold or producing one or more preformed blocks of this castable material in a mold to be joined to the base structure, and subsequently machining the coating using machine tools to generate a final shape.

Abstract: An aerogel that includes an open-cell structure and a polymer matrix is disclosed. The polymer matrix can include a branched polyimide polymer having a degree of branching of at least 0.5. The polymer matrix can contain less than 5% by weight of crosslinked polymers.

Abstract: A ventilation port maintains the humidity range within a sealed or partially sealed enclosure maintaining a level of atmospheric moisture such as a greenhouse. The port is comprised of a polymer blend film made of a hydrophilic component serving as the water-absorbing material and substrate component serving as the mechanical backbone. The film is designed to bend and open the port when the humidity within the enclosure exceeds a predetermined level outside the humidity range, allowing for the venting of excess humidity. Once the humidity falls back within the desired range, the film returns to its original state and closes the port. A humidity sensing device is also disclosed including the film with a piezoresistive material layer, electrodes in electrical communication with the layer, and an electrical measurement device to measure resistivity or capacitance.

Abstract: The present invention relates to silica aerogels with a high to very high loading (55-90% w/w) of encapsulated biocidal and/or biorepellant compounds, high porosity and low thermal conductivity and to methods of making and using such aerogels in antifouling compositions, which are especially suitable for both onshore and offshore coatings (marine paints, coatings, sealants, lacquers, wood protection or similar controlled leaching systems) that are naturally exposed to humid conditions and/or water, including sea water, and thus prone to fouling.

Abstract: A crosslinked microporous membrane (crosslinked polymer) composition useful in gas separation, the membrane comprising: (i) an aromatic polymer containing a multiplicity of benzene rings; and (ii) a multiplicity of fluorinated aromatic moieties, each fluorinated aromatic moiety containing at least two separate methylene (—CH2—) linkages connected to benzene rings on the aromatic polymer; wherein the cross-linked microporous membrane possesses micropores having a pore size of up to 2 nm. Also described are methods for producing the crosslinked polymer and a microporous carbon material produced by pyrolysis of the crosslinked polymer membrane. Also described are methods for using the crosslinked polymer and microporous carbon material for gas or liquid separation, filtration, or purification.

Abstract: Methods of forming porous media (e.g., membranes for liquid separations or parts thereof) via polymerization, and related articles, are generally described. In some instances, two components are combined such that a polymerization (e.g., interfacial polymerization) reaction occurs, resulting in the formation of polymer layer (e.g., an active layer). In some instances, the two components include a first solution including water and a relatively low concentration of a first monomer (e.g., an amine-containing monomer such as optionally-substituted m-phenylenediamine) and a second solution including a nonpolar organic liquid and a relatively low concentration of a second monomer (e.g., an acid halide-containing monomer such as an optionally-substituted trimesoyl chloride).

Abstract: The present disclosure provides a method for preparing an aerogel or a foam, the method comprising: forming a reaction mixture comprising a cellulose nanofibril gel, a first solvent, and one or more crosslinking agents under conditions sufficient to crosslink the gel; and contacting the crosslinked gel with a second solvent under conditions sufficient to dry the crosslinked gel, thereby forming an aerogel or foam.

Abstract: Configurable absorbent articles with improved bodily exudate visualization when viewing a wearer-facing surface are provided. The absorbent articles include a liquid permeable topsheet forming a portion of a wearer-facing surface of the absorbent article, a liquid permeable backsheet, and an absorbent core positioned at least partially intermediate the liquid permeable topsheet and the liquid permeable backsheet. The wearer-facing surface exhibits a Delta C* of greater than about 24 and less than about 50 when the absorbent article is subjected to a Bodily Exudate Visualization Test.

Abstract: The invention relates to a microcapsule comprising a hollow or porous core, the hollow or porous core being composed of a polymeric material and containing a component of a redox-initiator system, a shell, the shell being composed of a pH-sensitive material. The microcapsule can be used for formulating dental materials.

Abstract: A polyethylene terephthalate aerogel. There is provided a polyethylene terephthalate (PET) aerogel comprising a porous network of cross-linked recycled PET fibers, wherein the PET aerogel has a thermal conductivity of 0.030-0.050 W/m K. There is also provided a method of forming the PET aerogel.

Abstract: The present invention discloses a film comprising porous, amorphous polybenzimidazole (PBI) and at least one filler for use as a separator in a lithium ion battery and a process for preparation thereof.

Abstract: Disclosed are surface retarder composition and method for etching cementitious materials which achieve a desirable light “acid etch” look without using muriatic (hydrochloric) acid or sand blasting, removing the human health and environmental concerns. Formulations in accordance with embodiments disclosed herein are easier to remove from formwork or molds after demolding than conventional retarder paints. Surface retarders prevent the hydration of cement particles, which allows the uncured layer of paste next to the form to be removed such as by washing with water or other fluids, or by brushing, revealing aggregates. Also disclosed are molded cement and concrete materials or articles exhibiting such light etch.

Abstract: Open-cell foam having a structure of interconnected struts formed of polymeric material and defining open cells, resulting from polymerization of a continuous phase of a high internal phase water-in-oil emulsion, the struts comprising the polymeric material with clay nanoparticles at least partially captured therewithin, is disclosed. The clay nanoparticles may be present in combination with a surface modifier. Methods for making the open-cell foam are also disclosed. Absorbent articles including the open cell foam are also disclosed.

Abstract: The present disclosure provides an artificial leather structure, comprising a woven layer, a porous elastomer layer disposed on the woven layer and a nonwoven layer disposed on the porous elastomer layer. The porous elastomer layer is adhered to the woven layer and the nonwoven layer.

Abstract: According to an example aspect of the present invention, there is provided a method for foam assisted drying of nano- and microfibrillated cellulose, which is easily up-scalable and cost-efficient.

Abstract: A method of manufacturing a core for a production process and to a core manufactured in accordance with the method are provided. The method includes providing a mold containing a soluble substance and one or more fibers and causing the soluble substance to solidify around the one or more fibers.

Abstract: A composite material for use, for example, as an orthopedic implant, that includes a porous reinforced composite scaffold that includes a polymer, reinforcement particles distributed throughout the polymer, and a substantially continuously interconnected plurality of pores that are distributed throughout the polymer, each of the pores in the plurality of pores defined by voids interconnected by struts, each pore void having a size within a range from about 10 to 500 nm. The porous reinforced composite scaffold has a scaffold volume that includes a material volume defined by the polymer and the reinforcement particles, and a pore volume defined by the plurality of pores. The reinforcement particles are both embedded within the polymer and exposed on the struts within the pore voids. The polymer may be a polyaryletherketone polymer and the reinforcement particles may be anisometric calcium phosphate particles.

Abstract: Provided is a synthetic leather including a fibrous substrate, a porous resin layer provided on the fibrous substrate, and a non-porous resin layer provided on the porous resin layer. The synthetic leather has a thickness of 800 ?m or more, and a vertical cross-section of the porous resin layer has a pore area ratio of 25% or more.

Abstract: Disclosed are cellulose-based 5 flexible aerogels and xerogels containing bacterial cellulose nanorods, ribbons, fibers, and the like, wherein the gels have tunable optical, heat transfer, and stiffness properties. Further disclosed are highly transparent and flexible cellulose nanofiber-polysiloxane composite aerogels featuring enhanced mechanical robustness, tunable optical anisotropy, and low thermal conductivity.

Abstract: Disclosed are hollow polymer spheres prepared from one or more hydrophilic ethylenically unsaturated monomers containing acid functionality, one or more nonionic hydrophilic ethylenically unsaturated monomers, and one or more hydrophobic ethylenically unsaturated monomers. Disclosed is a process for preparing such hollow spheres. The hollow spheres exhibit controlled particle size, which can have larger particle sizes, narrow particle size distributions and high void volume percentages.

Abstract: An absorbent structure comprising one or more absorbent layers wherein the absorbent structure exhibits a first cycle Peak Force compression between about 30 grams and about 150 grams. The absorbent structure further exhibits a fifth cycle dry recovery energy between 0.1 mJ and 2.8 mJ.

Abstract: The present invention describes a method for preparing graphene by mixing graphite and carbon nanofibrils. The prepared graphene can be used to form nanopaper. The present invention also provides a method of preparing nanopaper by suspending cellulose nanofibrils and graphene, followed by vacuum filtering of the suspension.

Abstract: The present disclosure relates to a preparing method of a super absorbent polymer sheet and a super absorbent polymer sheet prepared therefrom. The preparing method of a super absorbent polymer sheet of the present disclosure may prepare a porous flexible super absorbent polymer sheet exhibiting high flexibility and fast absorption rate.

Abstract: In a method of measuring parameters of superabsorbents, the absorption capacity of superabsorbents is determined under pressure, by reducing the pressure applied to a sample of the superabsorbent stepwise and determining the absorption capacity at each pressure. In addition, the rise in absorption capacity after a reduction in pressure is measured as a function of time and this is used to calculate the swelling constant k or the characteristic swelling time ?. Swelling constant or characteristic swelling time or the magnitude of the difference in absorption capacity at two different pressures are used to determine further parameters of the superabsorbent.

Abstract: The present disclosure discloses a method of preparing a Ni active site-loaded C—Si aerogel catalyst, and a product and use thereof, belonging to the technical field of catalyst preparation. The method includes the following steps: (1) dissolving absolute ethanol, trimethoxymethylsilane, cetyltrimethylammonium bromide and HCl in deionized water, conducting hydrolysis to obtain a hydrolyzate, followed by adjusting a pH value of the hydrolyzate to 7 to 8.5, and drying to obtain a C—Si aerogel; and (2) in the absolute ethanol, mixing NiCl2.6H2O with the C—Si aerogel obtained in step (1) uniformly, and conducting ultrasonication, impregnation and drying, followed by calcination to obtain the Ni active site-loaded C—Si aerogel catalyst. In the present disclosure, the prepared Ni active site-loaded C—Si aerogel catalyst is capable of conducting catalytic degradation of aromatic volatile organic compounds (VOCs) at room temperature.

Abstract: The present application discloses a method for preparing porous glass for an electronic cigarette, comprising the following steps: heating quartz glass to a molten state for granulation; mixing boron-silicon powder and quartz glass granules, and heating a mixture to a temperature between 600° C. to 900° C. to cover peripheries of the quartz glass granules with the boron-silicon powder; and sintering the quartz glass granules covered with boron-silicon in a preset mold to obtain the porous glass for the electronic cigarette. The technical solution according to the present application can greatly improve the smoking taste of the electronic cigarette.

Abstract: The present invention relates to citrus pectin characterized by a low degree of methyl esterification yet a high intrinsic viscosity, a process for producing pectin using citrus peel and use of an enzyme endogenous to citrus peel to produce pectin.

Abstract: Provided is a hydrophobic silica aerogel precursor, and a hydrophobic silica aerogel produced using the same. In the methods, a linear silane crosslinking agent containing a PEG-derived unit is introduced when preparing a hydrophobic aerogel precursor, resulting in the production of a hydrophobic silica aerogel having improved high-temperature thermal stability and improved physical properties.

Abstract: A method for manufacturing a patterned polyimide aerogel film on a substrate includes: dispensing a polyimide prepolymer sol onto a first portion of a surface of a substrate, a second portion of the surface of the substrate being substantially free of the polyimide prepolymer sol; forming a patterned film of a polyimide prepolymer gel on the substrate from the polyimide prepolymer sol; drying the polyimide prepolymer gel to form a patterned film of a polyimide prepolymer aerogel on the substrate; and curing the polyimide prepolymer aerogel on the substrate to form the patterned polyimide aerogel film on the first portion of the surface of the substrate, the second portion of the surface of the substrate being substantially free of the patterned polyimide aerogel film.

Abstract: A process of making a synthetic leather includes (i) first, contacting a textile with an aqueous solution containing a cationic hydroxyethylcellulose polymer to form a modified textile component; (ii) subsequently, impregnating the modified textile component with an aqueous polyurethane dispersion externally stabilized with an anionic surfactant; and (iii) precipitating the polyurethane in the modified textile component. And a synthetic leather formed by the process.

Abstract: A series of particles, in which each particle contains at least 3 wt. % of pigment(s) in relation to the weight of the particle, a method for producing the series of particles, and uses thereof in cosmetic compositions, particularly in make-up for keratinous materials.

Abstract: Non-aqueous emulsion methods for producing polymeric or polymer-coated microparticles are provided. One method produces a sustained release microparticle composition by combining protein powder and a polymer into a hydrocarbon solvent to form a non-aqueous first solution and adding the first solution to a second solution, wherein the second solution comprises a fluorocarbon liquid and a fluorosurfactant to form a non-aqueous emulsion comprising multiple emulsion hydrocarbon droplets in the fluorocarbon liquid. The subsequent microparticle hardening process includes the steps of removing the hydrocarbon solvent from the formed emulsion droplets, which can be achieved through evaporation the hydrocarbon at ambient condition under stirring, or accelerated hardening through vacuum, or through adding hydrofluoroester into the fluorocarbon as a cosolvent.

Abstract: A method of producing a cryogel-based multicompartment 3D scaffold is herein disclosed. The method comprises the steps of: a) providing a first frozen polymeric layer on a refrigerated support kept at subzero temperature; b) providing subsequent polymeric layers to obtain a stack of polymeric layers by possibly modulating the subzero temperature of the refrigerated support; c) optionally incubating the final polymeric structure at subzero temperature; and d) placing the produced cryogel at a temperature above 0° C., the method being characterized in that each subsequent layer i) is deposited on the previous one after freezing of this latter; ii) is deposited on the previous one before the complete polymerization of this latter; and iii) is deposited with a temperature higher than the freezing temperature of the previously deposited layer. Cryogel scaffolds obtained from the method of the invention are also disclosed.

Abstract: An aerogel and drying method, the aerogel having a larger size, good productivity, and high transparency. The aerogel has a silsesquioxane structure and exhibits two exothermic peaks observed in a temperature range of 300 to 600° C. as measured by TG-DTA (thermogravimetry-differential thermal analysis) under an inert gas atmosphere containing 80% by volume of an inert gas and 20% by volume of oxygen. A method for producing aerogel includes a drying step including a first step in which an aerogel which has undergone condensation of a hydrolysate is placed in a liquid phase system having a first liquid phase and a second liquid phase; a second step in which a first solvent constituting the first liquid phase is evaporated from the first liquid phase at a temperature greater than room temperature; and a third step in which heating is still continued after the first liquid phase is evaporated off.

Abstract: A molded body is produced from a molding material including a continuous phase and a dispersed phase by a three-dimensionalization step, a curing step, and a peeling step. The continuous phase of the molding material is a water phase containing a curable compound. In the three-dimensionalization step, the molding material is placed in a container. In the curing step, the curable compound is cured to form a cured product after the three-dimensionalization step. In the peeling step, the container and the cured product are separated after the curing step. In the dispersed phase removal step, the dispersed phase of the cured product is removed after the curing step.

Abstract: An active energy ray curable liquid contains an unsaturated acid monomer and a metal salt.

Abstract: Mesoporous poly (aryl ether ketone) articles are formed from blends of poly (aryl ether ketones) with pore forming additives by melt processing, and can be in the form of a monofilament, disc, film, microcapillary or other complex shapes. The method of formation provides for preparation of poly (aryl ether ketone) articles with high degree of surface area and uniform nanometer pore size. The preferred poly (aryl ether ketone)s are poly (ether ketone) and poly (ether ether ketone). The mesoporous articles formed by the method of the present invention are useful for a broad range of applications, including molecular separations and organic solvent filtration.

Abstract: An electrospun nanofiber membrane and a method for preparing the electrospun nanofiber membrane are provided to solve problems of poor mechanical properties, short service life, poor uniformity and consistency of orientation of fibers and poor stability of fiber networks in current electrospun composite nanofiber materials. The electrospun nanofiber membrane is prepared by spinning solution through a high-voltage electrospinning device. The spinning solution is blending solution of regenerated silk fibroin:polyvinyl alcohol:polylactic acid with a mass ratio being 75-85:10-20:5 dissolved in a mixed solvent of trifluoroacetic acid and dichloromethane with a volume ratio being 7:3. The method establishes a reasonable mass ratio parameter of the regenerated silk fibroin, the polyvinyl alcohol and the polylactic acid to blending spinning to improve spinnability of silk fibroin, as well as prepare the electrospun composite nanofiber membrane with good mechanical properties.

Abstract: The invention provides an olefin-olefinic alcohol copolymer and a preparation method thereof, said copolymer comprising a spherical and/or spherical-like polymer. The copolymer provided by the invention exhibits a good morphology and has good prospects in industrial use.