Abstract: Provided are a polyol composition in which hard caking does not occur when stored for a long period of time, and a polyurethane foam using the same. The polyol composition comprises a polyol compound, a foaming agent, a filler, and a metal oxide fine particle, the foaming agent including a hydrofluoroolefin, and the metal oxide fine particle having a count number ratio of OH ions of a metal constituting the metal oxide fine particle with respect to a total count number of all ions measured using time-of-flight secondary ion mass spectrometry of 0.1 or less.

Abstract: Thermally treated aerogel compositions that include polyamic amides in an amount less than the aerogel compositions that include polyamic amides prior to thermal treatment, and articles of manufacture that include or are manufactured from the aerogel compositions are described.

Abstract: The disclosed latex system comprises a one-component, closed-cell, semi-foam, mastic sealant using gas-filled, flexible, organic microspheres to create a product that is elastic and compressible under pressure without protruding in an outward direction when compressed, thereby allowing the applied sealant to compress in an enclosed, maximum-filled channel unlike typical mastic sealants (while retaining the ability to rebound). This allows the sealant to function as a gasket, and, once fully cured, to have properties including vibration damping, insulating, and condensation resistance. The sealant can be formulated as an air barrier or a vapor barrier and at various degrees of moisture resistance. It may be applied by different packaging variations including aerosol can (bag in can or bag on valve), airless sprayer, cartridge tubes, foil tubes, squeeze tubes, and buckets to be applied using a brush, trowel, spatula, etc.

Abstract: A method for producing porous particles of a cross-linked polymer, and porous particles that can be produced according to the method are disclosed. The porous particles of a crosslinked hydroxy- or amino-group-containing polymer have a relatively low swelling factor. A composite material contains the porous particles dispersed in a continuous aqueous phase. The porous particles, or the composite material, are used for purifying organic molecules and for bonding metals from solutions. A filter cartridge contains the porous particles of a cross-linked polymer or the composite material.

Abstract: A fiber reinforced plastic material is provided. The fiber reinforced plastic material includes a plurality of carbon fibers, and a vinyl ester resin or unsaturated polyester resin containing at least one low coefficient of linear thermal expansion (CLTE) filler.

Abstract: Combinations of open cell flexible foams with polyurethane gel particles, and methods of making the combinations are described using a variety of procedures. The open cell flexible foam may partially or wholly comprise polyurethane foam and latex foam.

Abstract: An air-permeable sponge composition and a method for preparing an air-permeable sponge by using the same belong to the field of articles for daily use. An air-permeable sponge composition includes a sponge body and an air-permeable coating, and an outer surface layer of the sponge body being coated with the air-permeable coating. A method for making the air-permeable sponge utilizes the composition of the air-permeable sponge, wherein the air-permeable sponge is made from the air-permeable sponge composition under specific process parameters. The sponge body and air-permeable coating have the same or similar contents of isocyanate, polyether polyol and polymeric polyol and a similar porous structure.

Abstract: Combinations of open cell flexible foams with polyurethane gel particles, and methods of making the combinations are described using a variety of procedures. The open cell flexible foam may partially or wholly comprise polyurethane foam and latex foam.

Abstract: The present invention discloses a form-in-place conductive and waterproof colloid, being composed of: dimethyl siloxane or dimethylvinyl-terminated or vinyl terminated polydimethylsiloxane; hydroxy terminated polydimethylsiloxane; dispersant; dimethyl, methylhydrogen siloxane crosslinking agent; adhesion promoter; Pt catalyst; forming agent; hydrocarbon solvent; Nickel Graphite; thickening agent; Trimethylated silica; and inhibitor. With the implementation of the present invention, no production mold or die cutter is required to simplify the process of applying the colloid and reduce the cost of applying, and with the characteristics of being providing waterproof and dustproof capability for enclosures, providing excellent adhesion capability, providing excellent compressibility and resilience, isolating EMI and providing EMI shielding capability at the same time.

Abstract: Dewatering agents and methods of dewatering wastewater slurries are provided. Also disclosed are methods for improving the separation of solids from water. The water may be produced water, raw water, or wastewater, for example. The dewatering agents can be in solutions and the dewatering agent solutions may include various components in addition to soy protein, soy flour or a combination of soy flour and soy protein.

Abstract: This invention relates to a novel polyol composition and a process for preparing these polyol compositions. These novel polyol compositions comprise (a) an in-situ formed polyol blend which comprises (i) one or more polyether monols and (ii) one or more polyether polyols; and (b) a polyether polyol. This invention also relates to a process for preparing an open celled, flexible polyurethane foam in which the isocyanate-reactive component comprises this novel polyol composition, and to a viscoelastic polyurethane foam wherein the isocyanate-reactive comprise the novel polyol composition.

Abstract: The invention relates to a composition for preparing (poly)urethane from an allophanate and from a hydrophobic resin. The invention also relates to the use of this composition as a replacement for poly(methylene diphenyl diisocyanate) (pMDI), in particular for the preparation of a material for encapsulating an electrical device.

Abstract: Crosslinked silicone foams are provided that can be substantially free of chemical blowing agents or byproducts thereof. These foams can be prepared from polymerizable silicone compositions that include an MQ-water cluster including a silicate MQ resin and a quantity of water dispersed in the silicate MQ resin and a silicone fluid, wherein the MQ-water cluster and silicone fluid collectively provide a inverted emulsion having a continuous and a discontinuous phase, the continuous phase including the silicone fluid and the discontinuous phase including the MQ-water cluster.

Abstract: Process for making a flexible polyurethane foam by reacting a polyisocyanate and a polyol composition in the presence of water, a reactive amine catalyst and a specific metal salt. The foams have a low level of volatile organic compounds (VOCs) and a desirable combination of mechanical and durability properties.

Abstract: The present invention relates to a cleaning implement based on melamine formaldehyde foams comprising, abrasive particles and to a method of cleaning a hard surface with said cleaning implement.

Abstract: The invention relates to a silicon dioxide dispersion that comprises a) an outer flowable phase containing 1) polymerizable monomers, oligomers and/or prepolymers that can be converted to polymers by non-radical reaction; and/or 2) polymers, and b) a disperse phase containing amorphous silicon dioxide. The inventive dispersion is characterized in that the average particle size dmax of the silicon dioxide as measured by small angle neutron scattering (SANS) is between 3 and 50 nm at a maximum half-width of the distribution curve of 1.5 dmax. Such a silicon dioxide dispersion can be easily manufactured even at higher concentrations of the disperse phase and can be used to produce polymer materials that have advantageous properties, especially advantageous mechanical properties.

Abstract: The subject matter of the present application is a thermally expandable preparation that can be pumped at application temperatures below 70° C., containing (a) at least one first epoxy resin E1 that has an epoxy equivalent weight of at most 280 g/eq and a viscosity of at most 1250 Pa*s at 25° C., (b) at least one second epoxy resin E2 that has an epoxy equivalent weight of at least 300 g/eq and a viscosity of at most 250 Pa*s at 25° C., (c) at least one hardener that can be thermally activated, (d) at least one propellant that can be thermally activated, and (e) at least 1 wt. % of organic fibres having a fibre length of 0.2 mm to 10 mm.

Abstract: The object of the invention is a method for producing polyurethane and/or polyisocyanurate insulating foam based on foaming reaction mixtures containing polyisocyanates, compounds having reactive hydrogen atoms, propellants, stabilizers, nucleation agents, and optionally further additives, which is characterized in that porous solids, in particular silicates having a zeolite structure, are used as the nucleation agents.

Abstract: Disclosed herein are polyisocyanurate and/or polyurethane foams containing non-porous silica particles derived from mesoporous cellular foams, wherein the polyisocyanurate and/or polyurethane foams have enhanced heat and/or fire resistance. Processes for making such foams and methods of using them are also disclosed.

Abstract: Disclosed and claimed herein are hybrid silica aerogels containing non-polymeric, functional organic materials covalently bonded at one or both ends to the silica network of the aerogels through a C—Si bond between a carbon atom of the organic material and a silicon atom of the aerogel network. Methods of their preparation are also disclosed.

Abstract: Process for producing silica-comprising dispersions comprising a polyetherol or a polyether amine, which comprises the steps of (i) admixing an aqueous silica sol (K) having an average particle diameter of from 1 to 150 nm and a silica content, calculated as SiO2, of from 1 to 60% by weight and a pH of from 1 to 6 with at least one polyetherol (b1) and/or polyether amine (b2) based on ethylene oxide and/or propylene oxide and having an average OH or amine functionality of from 2 to 6 and a number average molecular weight of from 62 to 6000 g/mol, (ii) distilling off at least part of the water, (iii) admixing the dispersion with at least one compound (S) having at least one at least monoalkoxylated silyl group and at least one alkyl, cycloalkyl or aryl substituent, where this substituent may have groups which are reactive toward an alcohol, an amine or an isocyanate in an amount of from 0.

Abstract: A low volatile organic emission method for making a door using a liquid hardenable flowable material. The liquid hardenable flowable material expands upon contact with a blowing agent forming a foam, wherein the liquid material is formed from plant materials, and a door formed from the method. The method forms a door with sound deadening qualities, increased impact resistance, and resistance to burning and capable of sustaining at least hurricane force winds without deforming.

Abstract: An object of the present invention is to provide a coating composition capable of being easily formed by coating or the like, and a porous membrane and a light scattering layer which are excellent in heat resistance, surface smoothness and flexibility and have a high refractive index, a high light scattering property, and a high light transmittance, and further an organic electroluminescent element having the light scattering layer. It has been found that voids are formed inside a cured product obtained by curing a composition containing a polysilane, a metal oxide, and a solvent. The cured product having the voids formed therein has a light scattering property and therefore is applicable as a light scattering membrane.

Abstract: There are provided a composition for silicone rubber foam, a manufacturing method of a silicone rubber foam, and a silicone rubber foam in which it is possible to control the foaming states. The composition for silicone rubber foam contains: (A) 100 parts by mass of polyorganosiloxane having a degree of polymerization of 4,000 to 10,000 and having two or more alkenyl groups at a content of 0.001 mmol/g or more and less than 0.3 mmol/g; an amount of polyorganohydrogensiloxane having an average of two or more Si-atom-bonded hydrogen atoms so that a molar ratio of the hydrogen atoms to the alkenyl groups in the (A) component is 0.001 to 5; 0.1 to 10 parts by mass of an organic foaming agent with a decomposition temperature of 50 to 250° C.; 5 to 200 parts by mass of silica powder; and a catalyst amount of a platinum-based metal catalyst activated with ultraviolet rays.

Abstract: Composite materials and methods for their preparation are described herein. The composite materials include a polyurethane made from the reaction of an isocyanate and a mixture of polyols, and coal ash (e.g., fly ash). The mixture of polyols comprises at least two polyols including a high hydroxyl number polyol having a hydroxyl number greater than 250 and comprising from about 1% to about 25% by weight of the total polyol content used to form the polyurethane, and a low hydroxyl number polyol having a hydroxyl number of 250 or lower. The coal ash is present in amounts from about 40% to about 90% by weight of the composite material. Also described is a method of preparing a composite material, including mixing an isocyanate, a mixture of at least two polyols, coal ash (e.g., fly ash), and a catalyst.

Abstract: Disclosed and claimed herein is a formulation for packaging an electronic device and assemblies made therefrom.

Abstract: The invention provides a foamable composition comprising a foam pre-cursor and man-made vitreous fibres produced with a cascade spinner or a spinning cup, wherein at least 50% by weight of the man-made vitreous fibres have a length of less than 100 micrometres.

Abstract: Disclosed is an antimicrobial bio polyurethane foam, and more specifically abio polyurethane foam: which is polyurethane foam comprising a reaction product of a resin premix, which comprises biopolyol of about 5 to 20 wt %, and isocyanate; applied to a car seat and the like; and which is enhanced in an antimicrobial property through use of the biopolyol.

Abstract: Disclosed is a multi-functional bio polyurethane foam, and more specifically a multi-functional bio polyurethane foam which is polyurethane foam comprising a reaction product of a resin premix, which comprises about 5 to 20 wt % biopolyol, and isocyanate. The multi-functional bio polyurethane foam may be applied to a car seat and the like, and shows the same level of physical properties as the conventional polyurethane foam manufactured from the petroleum-based polyol, and further provides enhanced antimicrobial function and minimized vibration transmissivity.

Abstract: A polyurethane foam composition that includes polyol, isocyanate, a catalyst, a surfactant, a physical blowing agent, a chemical blowing agent, a nucleating agent and a silsesquioxane compound is provided.

Abstract: Aqueous cold-cure flexible foam stabilizer including the following components: a) from ?0.1 to ?80% by weight of at least one water-insoluble polysiloxane compound having a molecular weight of from ?300 g/mol to ?10 000 g/mol, b) ?2% by weight of water, c) ?0.1% by weight of surfactant, d) from ?0 to 10% by weight of additives selected from the group consisting of thickeners, antifreezes, organic solvents and biocides, e) ?0% by weight of water-soluble siloxane(s), with the proportion by weight of the abovementioned components being selected so that the sum of the proportions by weight of the components is not more than 100% by weight, based on the aqueous cold-cure flexible foam stabilizer formulation.

Abstract: Disclosed are bowing agent compositions, foamable compositions, foams, foaming methods and/or foamed articles comprising one or more C2 to C6 fluoroalkenes, more preferably one or more C3 to C5 fluoroalkenes, and even more preferably one or more compounds having Formula I as follows: XCFzR3-z??(I) where X is a C1, C2, C3, C4, or C5 unsaturated, substituted or unsubstituted radical, each R is independently Cl, F, Br, I or H, and z is 1 to 3, it generally being preferred that the fluoroalkene of the present invention has at least four (4) halogen substituents, at least three of which are F and even more preferably none of which are Br.

Abstract: Described herein are methods of making open celled foams including a matrix of interconnected spheres. The open celled foams are silicone based materials and can be used to coat implants, such as breast implants, and function to encourage tissue ingrowth and reduce capsular formation.

Abstract: Polyurethane/polyisocyanurate foams having a NFPA 101 Class A rating (ASTM E-84) are produced from a foam-forming reaction mixture that includes: an organic polyisocyanate, an isocyanate-reactive composition that includes at least one polyether polyol or polyester polyol with a nominal hydroxyl functionality of at least 2.0, a blowing agent composition and at least one halogen-free flame retardant. The blowing agent composition includes: (1) up to 5% by weight, based on total weight of the foam-forming composition, of one or more hydrocarbons having an LEL less than 2% by volume in air; and/or (2) a hydrocarbon having an LEL greater than 2% by volume in air; and (3) up to 1% by weight, based on total weight of foam-forming composition, of water.

Abstract: There are provided a composition for silicone rubber foam, a manufacturing method of a silicone rubber foam, and a silicone rubber foam in which it is possible to control the foaming states. The composition for silicone rubber foam contains: (A) 100 parts by mass of polyorganosiloxane having a degree of polymerization of 4,000 to 10,000 and having two or more alkenyl groups at a content of 0.001 mmol/g or more and less than 0.3 mmol/g; an amount of polyorganohydrogensiloxane having an average of two or more Si-atom-bonded hydrogen atoms so that a molar ratio of the hydrogen atoms to the alkenyl groups in the (A) component is 0.001 to 5; 0.1 to 10 parts by mass of an organic foaming agent with a decomposition temperature of 50 to 250° C.; 5 to 200 parts by mass of silica powder; and a catalyst amount of a platinum-based metal catalyst activated with ultraviolet rays.

Abstract: Methods of forming an insulating material comprising combining a polysilazane, a cross-linking compound, and a gas-generating compound to form a reaction mixture, and curing the reaction mixture to form a modified polysilazane. The gas-generating compound may be water, an alcohol, an amine, or combinations thereof. The cross-linking compound may be an isocyanate, an epoxy resin, or combinations thereof. The insulating material may include a matrix comprising one of a reaction product of a polysilazane and an isocyanate and a reaction product of a polysilazane and an epoxy resin. The matrix also comprises a plurality of interconnected pores produced from one of reaction of the polysilazane and the isocyanate and from reaction of the polysilazane and the epoxy resin. A precursor formulation that comprises a polysilazane, a cross-linking compound, and a gas-generating compound is also disclosed.

Abstract: Combinations of gelatinous elastomer containing one or more phase change materials, known as “phase change gel”, and polyurethane foam may be made by introducing at least partially cured phase change gel particles comprising plasticized triblock copolymer resin and/or diblock copolymer resin and one or more phase change materials, into a mixture of polyurethane foam-forming components including a polyol and an isocyanate. The phase change gel can be crosslinked to form a cured gelatinous gel, which is then reduced in size before introduction. After the foam-forming components polymerize to make polyurethane foam, the phase change gel particles are discrete visible particles dispersed throughout the foam. The polyurethane reaction is exothermic and can generate sufficient temperature to at least partially melt the styrene-portion of the triblock copolymer resin thereby extending the crosslinking.

Abstract: Combinations of open cell flexible foams with polyurethane gel-like polymers, in forms such as layers of different forms and shapes, solid sheets, perforated sheets, and particles, and methods of making the combinations are described using a variety of procedures. Alternatively, the resin to make the polyurethane gel-like polymers may be infused into the polyurethane foams. The open cell flexible foam may partially or wholly comprise polyurethane foam and latex foam.

Abstract: Provided are methods for making textured implantable materials made from two part RTV silicone foams and having a desired color or tone without the need for dyes or colorants.

Abstract: The present invention relates to a composition and process for preparing fine-celled polyurethane foam obtained from frothing a polyurethane foam-forming composition possessing a synergistic combination of silicone surfactants.

Abstract: A foamable polymeric composition can comprise a polymer, a blowing agent cage material, and a blowing agent. The blowing agent cage material is selected from the group consisting of zeolite imidazolate framework, metal organic framework, carbon cage structure, and combinations comprising at least one of the foregoing. In one embodiment, the composition can be formed by mixing the polymer with the blowing agent cage material to form a mixture, introducing a blowing agent to the mixture, and forming the mixture into pellets.

Abstract: Disclosed herein is a method for making polyimide articles that are suitable for high temperature applications. The articles disclosed herein are rigid, oxidatively stable, wear-resistant, and permeable to heated moisture and gases, and comprise co-polymer based polyimide, and at least one additive or filler, and are made using 20,000 to 50,000 psi of compression pressure.

Abstract: Disclosed herein is a method for making polyimide articles that are suitable for high temperature applications. The articles disclosed herein are rigid, oxidatively stable, wear-resistant, and permeable to heated moisture and gases, and comprise co-polymer based polyimide, and at least one additive or filler, and are made using 20,000 to 50,000 psi of compression pressure.

Abstract: A flexible polyurethane foam excellent in the vibration characteristics and the load-deflection characteristics, a process for producing the flexible polyurethane foam stably and inexpensively, and a seat for an automobile excellent in posture-stability performance and supported feeling with little bottom-hitting feeling, are provided. When a polyoxyalkylene polyol and a polyisocyanate compound are reacted in the presence of a urethane-forming catalyst, a blowing agent and a foam stabilizer, a predetermined amount of a compound of the following formula (1) is used: wherein the average of n is from 13 to 2,100.

Abstract: Methods of forming an insulating material comprising combining a polysilazane, a cross-linking compound, and a gas-generating compound to form a reaction mixture, and curing the reaction mixture to form a modified polysilazane. The gas-generating compound may be water, an alcohol, an amine, or combinations thereof The cross-linking compound may be an isocyanate, an epoxy resin, or combinations thereof The insulating material may include a matrix comprising one of a reaction product of a polysilazane and an isocyanate and a reaction product of a polysilazane and an epoxy resin. The matrix also comprises a plurality of interconnected pores produced from one of reaction of the polysilazane and the isocyanate and from reaction of the polysilazane and the epoxy resin. A precursor formulation that comprises a polysilazane, a cross-linking compound, and a gas-generating compound is also disclosed.

Abstract: A gradient optical film and an optical construction including the gradient optical film are described. The gradient optical film includes a binder, a plurality of particles, and a plurality of interconnected voids having a local volume fraction. The local volume fraction of the plurality of interconnected voids varies along a thickness direction of the gradient optical film. The refractive index of the gradient optical film can also varies along a thickness direction of the gradient optical film, as the refractive index can also depend upon the local volume fraction of the plurality of interconnected voids.

Abstract: Disclosed are compositions-of-matter composed of a continuous elastomeric matrix and a liquid; the matrix entrapping the liquid therein in the form of closed-cell droplets dispersed throughout the matrix. The disclosed compositions-of-matter are characterized by a low tensile/compressive modulus and are capable of retaining the liquid for exceedingly long periods of time. Further disclosed are processes for forming the compositions-of-matter and uses thereof.

Abstract: The invention relates to a method for producing a flameproof polyurethane (PUR) spray foam, especially a rigid PUR spray foam, to a spray foam body so produced and to the use thereof for heat insulation.

Abstract: Low density, buoyant materials, in particular hydrophobic aerogels, may be used to absorb hydrophobic liquids. The materials are adapted to float on aqueous solutions and can absorb oils or other hydrophobic liquids from the surface of the solution without absorbing appreciable amounts of the aqueous solution. Methods for creating and using the materials are disclosed.

Abstract: A microcellular urethane composition, comprising a polyol component, an isocyanate component having an isocyanate index ratio of from about 65 to about 145; and up to about 50% by weight of a nano-scale filler dispersed throughout the composition. Methods for producing a reinforced microcellular urethane component are also provided.