Abstract: An implantable acellular polymeric scaffold device functionalized with aggrecan is provided. Also provided are methods of fabricating a polymeric scaffold device, including methods of fabricating the scaffold device via 3D printing. Methods of treating a cartilage defect in a subject in need thereof comprise application of the disclosed scaffold device in combination with microfracture procedures. A specialized lid for a centrifugation well plate is also provided.

Abstract: Disclosed a preparation method of a green, biodegradable, and multifunctional collagen-based nanocomposite film, and overcomes the problems of difficult biodegradation, poor barrier property, and single function of food packaging materials in the existing technologies. The present invention includes the following steps: adding silicate nanosheet into deionized water for ultrasonic dispersion; then adding polyphenolic acid into the mixture, wherein a mass ratio of the polyphenolic acid to the silicate nanosheet is 1:(0.2˜1); and adjusting the pH value to 3.0˜4.0 to obtain a solution A; adding collagen with a concentration of 5 g/L into an acetic acid solution, and fully dissolving the collagen to obtain a solution B; isovolumetrically mixing the solution A with the solution B, stirring at room temperature, and adjusting the pH value to 4.5˜5.5 to obtain a casting solution; and pouring the casting solution into a polytetrafluoroethylene mold, and naturally drying to obtain a nanocomposite film.

Abstract: Disclosed are a PVC foam processing aid, a method for preparing the same, and a polyvinyl chloride resin composition comprising the same. More specifically, provided are a PVC foam processing aid and a polyvinyl chloride resin composition exhibiting superior aggregation property and improving foam moldability of polyvinyl chloride (PVC) resins, prepared therefrom.

Abstract: The present invention provides a vinyl chloride resin composition having an improved resistance to warm-water bleaching. The vinyl chloride resin composition according to the present invention is characterized by comprising, with respect to 100 parts by mass of a vinyl chloride-based resin, 0.01 to 10 parts by mass of (a) a zinc-modified hydrotalcite and 0.01 to 10 parts by mass of (b) an acrylic processing aid having a weight-average molecular weight of 200,000 to 7,000,000. The above-described (a) zinc-modified hydrotalcite is preferably a compound represented by the following Formula (I): Mgx1Znx2Al2(OH)2(x1+x2)+4.CO3.mH2O??(I) (wherein, x1 and x2 each represent a number satisfying the conditions of the following equations; and m represents a real number: 0.1?x2/x1<10, 2?x1+x2<20).

Abstract: The present invention includes the use of anhydride compositions, including alkyl and aryl anhydrides, for use as a demulsifier in resolving water external emulsions of water and oil and complex emulsions of water and oil. In particular, the anhydride composition can be used alone or in a blend with other demulsifiers. Suitable anhydrides suitable for the present invention include acetic and propionic, with acetic anhydride being preferred. The anhydride composition can be added directly to crude oil emulsions or other compositions to be resolved. As such, the demulsifier composition includes an anhydride, such as acetic anhydride, alone or in combination with other demulsifiers. The anhydride can be used in an amount ranging between trace and 100% by weight of the demulsifier composition.

Abstract: A polyurethane foam, a polyurethane/polyorganosiloxane foam, and a polyurethane foam polyurethane/polyorganosiloxane foam material are disclosed and described herein. The materials are formed in the presence of a polymerization reaction initiator (an isoprenoid compound), and a polymerization reaction accelerator. The polyurethane foam is formed from an isocyanate and a polyol. The polyurethane foam polyurethane/polyorganosiloxane foam material comprises the polyurethane foam which is cross-linked to the polyurethane backbone to a polyurethane/polyorganosiloxane foam. Optional gelling agents, emulsification control agents, reinforcement fillers, cross-linkers, reinforcement polymers, rubber reinforcers, silk proteins, emollients, stabilizers and colorants are also described. The polyurethane and polyurethane-polyorganosiloxane foam materials exhibit a high degree of flexibility, resilience and excellent impact absorption.

Abstract: A sodium bicarbonate product comprises particles containing sodium bicarbonate and an organic material that is a solid at ambient temperature. The particles have a structure comprised of individual crystallites of sodium bicarbonate attached together in the particle. More than 95% by volume of the particles have a size less than 200 ?m. Particles of the product are hollow and are formed of an outer shell of the crystallites. The product may be used, for example, as a leavening agent in the production of cooked foods. The product may be produced by spray drying a solution or slurry dissolved organic material and dissolved sodium bicarbonate. The sodium bicarbonate may be present as a suspension.

Abstract: A frothed polymer foam including a highly crystalline polyolefin dispersion, a cross-linkable binder and a surfactant. A process of manufacturing a frothed polymer foam including a highly crystalline polyolefin dispersion, a cross-linkable binder and a surfactant.

Abstract: The present disclosure provides a modified starch composition. The modified starch composition includes starch with a terminal siloxane having 100 parts by weight, water having 30-70 parts by weight, and a polyol having 5-35 parts by weight. The present disclosure also provides a starch composite foam material and method for preparing the same.

Abstract: A resin foam composition comprises, at least, a resin emulsion and cellulose nanofibers.

Abstract: Porous organic polymeric films having multiple discrete cavities can be prepared using a water-in-oil emulsion that includes a cavity stabilizing hydrocolloid on the inner walls of the multiple discrete cavities. The multiple discrete cavities can also include organic catalytic materials for various catalytic reactions, markers materials for security applications, or the multiple discrete cavities can be used to increase opacity, hydrophobicity, or other desirable properties compared to nonporous organic polymeric films composed of the composition and dry thickness.

Abstract: A composite material in the form of a continuous structure comprises an intrinsically conducting polymer (ICP) layer coated on a substrate, the composite material having a surface area of at least 0.1 m2/g, at least 1 m2/g, or at least 5 m2/g. Methods of manufacturing the composite material comprise coating the substrate with a layer of the intrinsically conducting polymer. Electrochemical or electrical devices comprise at least one component formed of the composite material.

Abstract: Biocomposite compositions and compositions, which include dried distillers solubles, and which can be used in making biocomposite compositions are described. Methods for preparing the compositions are also described.

Abstract: A foam containing 30 to 95% by weight of a polyolefin-based resin and 5 to 70% by weight of a hydrophilizing agent composed of a cellulose-based powder, the surface of the foam being in a melt fractured state.

Abstract: Biocomposite compositions and compositions, which include dried distillers solubles, and which can be used in making biocomposite compositions are described. Methods for preparing the compositions are also described.

Abstract: A method includes mixing a filler including silica and a bio-based oil including a soy polyol to form a filler mixture, and mixing the filler mixture with an elastomer to form an elastomeric composition. The weight ratio of silica to the soy polyol is 1.5 to 2.5. The elastomer is present in an amount less than 25 weight percent of the elastomeric composition.

Abstract: Provided is a urethane resin composition by which an electrically conductive roller which has a higher elasticity than ever and in which an air bubble in an elastic layer is fine can be obtained when the urethane resin composition is used for the elastic layer of the electrically conductive roller, and an electrically conductive roller using the same. The urethane resin composition comprises: a urethane resin having a carboxyl group on a side chain; a cross-linking agent having an epoxy group; and an ester composed of a sugar and an unbranched saturated fatty acid having 16 to 24 carbon atoms as a foaming agent. The saturated fatty acid is preferably a stearic acid. The urethane resin composition preferably further contains a foaming auxiliary. The sugar is preferably a sucrose.

Abstract: The present disclosure relates generally to compositions for nail coatings, and particularly, but not by way of limitation, to polymerizable compositions. The disclosure further relates to methods of making a polymerizable, protective and scratch resistant topcoat layer that can be easily removed.

Abstract: To provide a urethane foam molded product having high thermal conductivity and electric insulation and a method for producing the same. A urethane foam molded product includes a base material made of a polyurethane foam and composite particles that are blended in the base material and oriented in a mutually connected state, in which each of the composite particles includes a thermally conductive particle made of a non-magnetic body, and a magnetic particle and an insulating inorganic particle that are adhered to the surface of the thermally conductive particle through a binder. A powder of the composite particles can be produced by stirring a powder raw material containing a powder of the thermally conductive particle, a powder of the magnetic particle, a powder of the insulating inorganic particle, and the binder using a stirring granulator.

Abstract: The invention relates to particulate aminoplastic material composed of at least one aminoplastic, where the specific surface area of the particles is from 1 to 500 m2/g, and the average diameter of the particles is from 5 to 500 ?m. The invention further relates to a process for producing said particulate aminoplastic material, to a molding which comprises particulate aminoplastic material, and also to a production process for the molding, and to the use of the particulate aminoplastic material and of the molding, for example as plastics membrane in batteries.

Abstract: Polyolefin dispersions, froths, and foams and articles manufactured therefrom are disclosed. Also disclosed is a method for generating a thermoplastic foam from an aqueous dispersion. The aqueous dispersion may include a thermoplastic resin, water, and a stabilizing agent. The method may include adding at least one frothing surfactant to the aqueous dispersion to form a mixture, adding a flame retardant and/or a phase change material, frothing the mixture to create a froth, and removing at least a portion of the water to produce the foam.

Abstract: A building material composite that includes a building substrate at least partially lined with a urethane material. The urethane material of the present invention is typically the reaction product of an A-side that includes an isocyanate and a B-side that typically includes: a blown vegetable oil, a cross-linking agent, and a catalyst; a blown vegetable oil and a multifunctional alcohol; or an esterified polyol and a catalyst where the esterified polyol is typically the reaction product of a first polyol and a blown vegetable oil.

Abstract: The present invention relates to an open-celled foam comprising: (a) an aqueous-based polymer dispersion, said polymer dispersion comprising a polyethylene copolymer and an ethylene-acrylic acid copolymer; and (b) from about 5% to about 15% of a foaming composition, said foaming composition comprising at least a foaming agent and a stabilizing agent; further comprising a particulate superabsorbent polymer material within the voids and pores of said open-celled foam and the method of making the same.

Abstract: The present teachings disclose a composite. The composite includes a cellulose material dispersed in a fluoropolymer. The cellulose material is present in an amount of from about 1 weight percent to about to about 30 weight percent of the composition. A method of manufacturing a composite article and coating is described.

Abstract: A battery electrode or separator surface protective agent composition having fluidity and being capable of being solidified by hot melt, and comprising at least two types of organic particles comprising organic materials, wherein the organic particles of types different from each other are substantially incompatible with each other, wherein when the composition is solidified by hot melt, the organic particles of the same type thermally fuse with one another to form a continuous phase.

Abstract: A biodegradable starch film is provided. The biodegradable starch film includes a starch which is cross-linked by means of a cross-linking agent. The cross-linking agent comprises glycidyl methacrylate (GMA), octenyl succinic anhydride (OSA), or dodecyl succinic anhydride (DDSA) or combinations thereof. The cross-linking agent is 1 to 10 weight parts based on the starch of 100 weight parts. Furthermore, a method for manufacturing starch foam is also provided.

Abstract: The present invention relates to foam comprising thermoplastic starch, polyolefin, polyolefin wax, ethylene vinyl alkanoate copolymer, and ethylene acrylic copolymer, and also to a method of preparing the same.

Abstract: In one embodiment, a filler composition includes a filler including silica; and a bio-based oil contacting the filler and including at least one soy polyol, wherein an elastomer, if present, is less than 25 weight percent of the total weight of the filler composition. The filler composition does not contain appreciable amount of petroleum oil, which if present, is less than 25 weight percent of the filler composition. The filler composition does not contain appreciable amount of epoxidized oil which, if present, is less than 25 weight percent of the total weight of the filler composition. The soy polyol may include a hydroxyl number of from 10 to 350 KOH/g. The bio-based oil may further include soy oil.

Abstract: Foam products are provided including starch in combination with a small amount of a superabsorbent polymer. Also provided are expandable compositions (e.g., foam precursors) and methods of making a foam product in which a small quantity of a superabsorbent polymer is present.

Abstract: A biocompatible controlled release form of complexed iodine is achieved by a complexation of polyvinyl alcohol based foam and characterized by a residual starch component to optimize iodine release profiles. The resulting iodine complexed polyvinyl alcohol foam may be utilized locally as an antimicrobial agent that releases controlled amounts of iodine sufficient to kill microbes for extended durations without excessive bulk and rigidity.

Abstract: An ester of a sugar and a brominated fatty acid is a useful FR additive for combustible polymers. The brominated FR additives unexpectedly are stable at the extrusion temperatures, and provide excellent flame retardancy to the combustible polymers.

Abstract: Disclosed are porous, low density nanoclay composites that exhibit highly homogeneous microcellular morphology and methods for forming the nanocomposites. The nanocomposites include a three-dimensional matrix having a non-lamellar, generally isotropic cellular structure with little or no macroscopic pores. The nanocomposites also include a gel that may be a noncovalently cross-linked, thermoreversible gel. The nanocomposites may include a binder and/or fibrous reinforcement materials. The nanocomposites may be formed according to a freeze-drying process in which ice crystal growth is controlled to prevent formation of macroscopic pores in the composite materials.

Abstract: A flexible polyurethane foam prepared by reacting, in the presence of a blowing agent, a polyisocyanate with an active hydrogen-containing composition that includes a modified vegetable oil-based polyol. The foams exhibit good load-bearing properties, relatively high sag factors, and/or good color retention upon exposure to light.

Abstract: A process for the production of a resilient foam by foaming a mixture, comprising from 50 to 97% by weight of an aqueous dispersion A) of SiO2 particles which have a mean particle diameter in the range from 1 to 100 nm, from 1 to 45% by weight of a polymer B) dissolved in water from 1 to 50% by weight of a blowing agent C) from 1 to 5% by weight of an emulsifier D) from 0 to 5% by weight of a crosslinking agent E) reactive with the polymer B), and the foam obtainable by the process and the use thereof.

Abstract: A process for the production of a light lignocellulose-containing substance having an average density in the range from 200 to 600 kg/m3, in which, in each case based on the lignocellulose-containing substance: A) from 30 to 95% by weight of lignocellulose particles; B) from 1 to 25% by weight of expanded plastics particles having a bulk density in the range from 10 to 100 kg/m3; C) from 3 to 50% by weight of a binder selected from the group consisting of aminoplast resin, phenol-formaldehyde resin and organic isocyanate having at least two isocyanate groups and, if appropriate D) additives are mixed and then pressed at elevated temperature and under elevated pressure, wherein the expanded plastics particles are obtained from expandable plastics particles by expansion and the expanded plastics particles thus obtained are further used without further intermediate steps for the production of the light lignocellulose-containing substance.

Abstract: A process for the production of a light lignocellulose-containing substance having an average density in the range from 200 to 600 kg/m3, in which, in each case based on the lignocellulose-containing substance: A) from 30 to 95% by weight of lignocellulose particles; B) from 1 to 25% by weight of expanded plastics particles having a bulk density in the range from 10 to 100 kg/m3; C) from 3 to 50% by weight of a binder selected from the group consisting of aminoplast resin, phenol-formaldehyde resin and organic isocyanate having at least two isocyanate groups and, if appropriate D) additives are mixed and then pressed at elevated temperature and under elevated pressure, wherein the expanded plastics particles are obtained from expandable plastics particles with a content of blowing agent in the range from 0.01 to 4% by weight, based on the expandable plastics particles.

Abstract: The present invention relates to a biocompatible, resorbable polyurethane foam wound cover with open pores and an adjustable resorption rate having improved properties when used on skin or connective tissue wounds as well as a method of production of such a polyurethane foam wound cover.

Abstract: Crosslinkable compositions containing a crosslinkable organosilicon compound; a silica filler; a silicate or halogen analog thereof, a non-silicate resin-forming monomer; and a solid blowing agent containing intercalated liquid or liquid of crystallization, produce uniform foams of good pore structure, with firm adhesion to substrates, with water repellency and water vapor permeability, and with high elongation and low compression set, and are suitable for use in applications where foamed chloroprene rubber has been used, and in other applications as well.

Abstract: Disclosed is a molding material for extrusion foam molding from which woody molded foam of high quality can be obtained. From the molding material, woody molded foam of high quality with no defects is efficiently produced. Constituent materials comprising woodmeal and a thermoplastic resin as major components and containing 1-5 wt % alkane having a molecular weight of 300-1,000 g/mol are melt-kneaded until the components come into an evenly dispersed state, and the resultant mixture is molded into pellets having a given diameter to obtain a molding material. Subsequently, this molding material is extrusion-molded into a given shape together with a blowing agent by means of an extrusion molding device, thereby obtaining woody molded foam.

Abstract: The present invention relates to a pump and pumping system for a microfluidic lab-on-a-chip, and a fabricating method thereof. An exemplary embodiment of the present invention provides a method of fabricating a pump for microfluidic lab-on-a-chips, the method including: infiltrating PDMS (polydimethylsiloxane) solution into a porous lump of water-soluble material; performing soft baking of the porous lump of water-soluble material containing the PDMS solution; and dissolving the porous lump of water-soluble material via water to obtain a porous PDMS structure.

Abstract: A porous polymeric matrix containing at least one natural polymer and at least one synthetic polymer and optionally at least one cation. Furthermore, a method of making a porous polymeric matrix involving mixing at least one natural polymer and inorganic salts with a solution comprising at least one solvent and at least one synthetic polymer to form a slurry, casting the slurry in a mold and removing the solvent to form solid matrices, immersing the solid matrices in deionized water to allow natural polymer cross-linking and pore creation to occur simultaneously, and drying the matrices to create a porous polymeric matrix; wherein the matrix contains a cation.

Abstract: A method for producing a bio-based polymeric shoe component includes: preparing a blend from a composition including 5˜50 weight parts of a modified starch, 50˜95 weight parts of an ethylene vinyl acetate copolymer, 5˜30 weight parts of a filler, 1˜50 weight parts of a polyolefin, 2.0˜8.0 weight parts of a foaming agent, 0.5˜3.0 weight parts of a foaming aid, 0.5˜2.0 weight parts of a lubricant, and 0.4˜1.2 weight parts of a crosslinking agent, the modified starch being obtained by hydrolyzing and esterifying a predetermined amount of a raw starch to form a hydrolyzed and esterified starch, followed by drying the hydrolyzed and esterified starch; processing the blend into a foamable product; and forming the foamable product into the shoe component.

Abstract: A method for producing a biodegradable plastic material includes: hydrolyzing starch to form a hydrolyzed starch; esterifying the hydrolyzed starch to form a hydrolyzed and esterified starch; drying the hydrolyzed and esterified starch to obtain a dried modified starch; and mixing the dried modified starch with a plastic material, such as an EVA copolymer.

Abstract: The foamable resin composition of the present invention is characterized by comprising starch, a synthetic resin, an alkaline compound, and water in an amount of 10 to 40 parts by weight with respect to 100 parts by weight of the starch, wherein the synthetic resin content is 0.02 to 10 wt %. The alkaline compound is preferably at least one selected from the group consisting of an alkali metal hydrogen carbonate, an alkali metal carbonate, an alkali earth metal hydrogen carbonate, and an alkali earth metal carbonate. The foam obtained by using the foamable resin composition of the present invention is free from a practical problem such as cushioning properties and the like, and has a cost advantage as an amount of a synthetic resin is extremely small.

Abstract: A foamable resin composition according to the present invention comprises starch, an aliphatic polyester and water, and wherein 10 to 40 parts by mass of the water and 10 to 80 parts by mass of the aliphatic polyester are included with respect to 100 parts by mass of the starch. The foamable resin composition preferably comprises 3 to 60 parts by mass of a glycerin with respect to 100 parts by mass of the starch. The whole composition of the foamable resin composition is made of a biodegradable raw material, and the molded product of the composition has excellent water resistance and favorable moldability, is free from problems in mechanical characteristics such as strength, and also has a cost advantage.

Abstract: Provided herein are bimodal porous polymer microspheres comprising macropores and micropores. Also provided herein are methods and apparatus for fabrication such microspheres. Further provided herein are methods of using bimodal porous polymer microspheres.

Abstract: A bone defect filler for implantation in a bone defect of a patient includes a particulate polymer distributed within a polymeric binder. The particulate polymer includes a plurality of particles, which may have substantially the same material composition as the polymeric binder. The particles of the particulate polymer may be formed in a variety of shapes and/or sizes to provide the bone defect filler with improved pore interconnectivity, material expansion and contamination characteristics, while maintaining sufficient mechanical strength and handling characteristics for bone repair applications. The bone defect filler also provides the flexibility to be molded or shaped in situ to fill the bone defect.

Abstract: Polyolefin dispersions, froths, and foams and articles manufactured therefrom are disclosed. Also disclosed is a method for generating a thermoplastic foam from an aqueous dispersion. The aqueous dispersion may include a thermoplastic resin, water, and a stabilizing agent. The method may include adding at least one frothing surfactant to the aqueous dispersion to form a mixture, adding a flame retardant and/or a phase change material, frothing the mixture to create a froth, and removing at least a portion of the water to produce the foam.

Abstract: The present invention provides a porous bone cement containing a powder mixture and an aqueous solution, in which the aqueous solution is water or an inorganic salt solution and the powder mixture contains: (a) two or more bone substitution materials having different average particle sizes and independently selected from the group consisting of calcium phosphate salts, polymers and metals or salts thereof, provided that at least one of the bone substitution materials is calcium phosphate salts; (b) calcium sulfate; and (c) a bioresorbable molecule which is soluble in the aqueous solution and has higher biological resorption or degradation rate than calcium sulfate. The porous bone cement of the present invention is applicable in treating dental and bone defects and in plastic surgery.

Abstract: A composition comprises a polyvinylchloride homopolymer, a biodegradable plasticizer and either a swelling agent or a carbohydrate coupled to the polyvinylchloride homopolymer or a combination thereof. The composition may further comprise a blowing agent. A coated fabric comprises a textile substrate and a biodegradable coating at least partially coating the textile substrate, wherein the biodegradable coating degrades at least 60% after 28 days under the ASTM D584 standard. A method of making a biodegradable coating comprises providing a polymer and blending a biodegradable plasticizer with the polymer to form a blend. A method of making a coated textile comprises providing a textile and a composition comprising a polymer, a biodegradable plasticizer, and at least one other component; applying the composition to the textile; and curing the composition, thereby making a coated textile.