Abstract: Prepare a polymer foam having cells defined by cell walls having an average thickness and carbon nano-tubes having a length that exceeds the average thickness of the cell walls by incorporating the carbon nano-tubes into expandable polymer beads in a suspension polymerization process and then expanding the expandable polymer beads into a polymer foam.

Abstract: A method for preparing an open pourous polymer material, comprises forming of a polymer solution, addition of a porogen to the polymer solution and precipitation with water of polymer from the polymer solution, and the method then comprises removal of solvent and porogen from the polymer material wherein the precipitation is homogenous through that the water is in form of crystal water and that the crystal water is bonded to the porogen, wherein the porogen is a sugar hydrate. An open porous polymer material, a mixture comprising a sugar hydrate and a polymer solution, and a designed material, and uses thereof are also disclosed.

Abstract: An infusion pump and method of its manufacture according to the present invention are provided. The infusion pump has a pump casing made from a first material and defining a keypad assembly area. Disposed within the keypad assembly area and electrically coupled to the infusion pump is a flexible circuit. The keypad assembly is hermetically sealed over the flexible circuit to the keypad assembly area. The keypad assembly includes a frame made from a second material and defining a perimeter sized to mate with the keypad assembly area, the frame having an adhesive surface and an overmold surface, and a keypad made from a third material and in direct contact with the overmold surface of the frame.

Abstract: Strengthened thermoplastic materials use fly ash or cinders as extenders. The extended materials use fly ash or cinders that preferably contain no more than about 2% by weight of moisture. The thermoplastic materials are preferably foamed and extruded to form extruded closed cell foam articles, for example a window blind slat, shutter louver, shutter stile, or shutter frame. Thermoplastic materials formed with the fly ash or cinders can also be formed into non-foamed products or into pellets for use in later extruding to form products.

Abstract: Expandable vinylaromatic polymers which comprise: a) a matrix obtained by polymerizing 50-100% by weight of one or more vinylaromatic monomers and 0.50% by weight of a copolymerizable monomer; b) 1-10% by weight, calculated with respect to the polymer (a), of an expanding agent englobed in the polymeric matrix; c) 0.05-25% by weight, calculated with respect to the polymer (a), of an inorganic filler homogeneously distributed in the polymeric matrix with a substantially spherical granulometry, an average diameter ranging from 0.01 to 100 ?m, a refraction index higher than 1.6 and a white index, as defined in “Colour Index” (third edition published by the Society of Dyers and Colourists, 1982), equal to or lower than 22.

Abstract: The present invention relates to a method for the continuous mixing of at least one polyol component and at least one isocyanate component and optionally additives to form a polyurethane reaction mixture in a stirrer mixer with an axially conveying stirrer.

Abstract: The invention relates to a foam for purifying and filtrating air, particularly filtrating toxic compounds, such as for instance tar and polycyclic aromatic hydrocarbons (PAHs) from tobacco smoke, and to a method to prepare this foam. The foam according to the invention is a foam comprising cavities and interstitial spaces situated outside of the cavities, the cavities being defined by walls, the walls of the cavities being composed of a crosslinked polymer and possible additives, the average largest dimension of the cavities being in the range of 30–350 ?m, a considerable part of the cavities comprising two or more perforations in their walls, the perforations having an average diameter in the range of 5–300 ?m, a considerable part of the perforations of adjacent cavities being positioned with respect to each other such that a continuous, non-linear path is formed, the foam having a porosity of at least 45 vol.

Abstract: A preparation process of polyimide aerogels that composed of aromatic dianhydrides and aromatic diamines or a combined aromatic and aliphatic diamines is described. Also descried is a process to produce carbon aerogels derived from polyimide aerogel composed of a rigid aromatic diamine and an aromatic dianhydride. Finally, the processes to produce carbon aerogels or xerogel-aerogel hybrid, both of which impregnated with highly dispersed transition metal clusters, and metal carbide aerogels, deriving from the polyimide aerogels composed of a rigid aromatic diamine and an aromatic dianhydride, are described. The polyimide aerogels and the polyimide aerogel derivatives consist of interconnecting mesopores with average pore size at 10 to 30 nm and a mono-dispersed pore size distribution. The gel density could be as low as 0.008 g/cc and accessible surface area as high as 1300 m2/g.

Abstract: A binder which is a graft polymer bearing at least two alkoxysilyl groups of the formula —Si(R1)m(OR2)3-m in which R1 and R2 are independently linear or branched alkyl groups containing 1 to 6 carbon atoms and m is an integer of 0 to 2. The graft polymer has graft branches on a graft base. The graft polymer contains at least 0.5% by weight, based on the graft base, of graft branches.

Abstract: Devices and processes (e.g., improved Plasticized Melt Flow processes (PMF) or improved Phase Separation Polymer Concentration (PSPC), etc.) used to make resorbable and non-resorbable structures for treating and/or healing of tissue defects are disclosed. Among the advantages of using these improved processes are the preservation of molecular weight and the broadening of the processing conditions for temperature sensitive polymers and therapies This reduction in processing temperature, pressure and time can help to preserve the molecular weight and/or integrity of the final product or any additive incorporated therein. The present invention relates to an improved porous implant wherein the pores of the implant present a second modeling material on their surfaces. This second material provides a textured or roughened face to the internal surfaces of pores.

Abstract: A method of producing an open, porous structure having an outer surface defining a shape having a bulk volume and having interconnecting openings extending throughout said volume and opening through said surface, and products resulting from the method. The method comprises preparing a viscous mixture comprising a sinterable powder dispersed in a sol of a polymer in a primary solvent, replacing the primary solvent with a secondary liquid in which the polymer is insoluble to produce a gel comprising an open polymeric network having the sinterable powder arranged therein, removing the secondary liquid from the gel; removing the polymer network, and sintering the sinterable powder to form the open, porous structure. Also disclosed are shaped, porous products resulting from methods of the invention.

Abstract: The present invention relates to foam components comprising polymeric material and an active ingredient, such as detergent ingredients, which are to be delivered to aqueous environment. Highly preferred active ingredients include enzymes. The foam component is stable upon contact with air but dissolves, disintegrates or disperses in water. The invention also relates to compositions containing the foam components and methods for making the foam components.

Abstract: The present invention relates to a thermoplastic elastomer composition having a three-dimensional network structure which is not formed by a chemical crosslinking and having an excellent elasticity recovery and flexibility, a foam having a highly closed cell, an uniform cell shape, an excellent elasticity recovery, flexibility and appearance, and a process for producing the same. A thermoplastic elastomer of the invention is obtained by mixing in a predetermined ratio an EPDM (1), a crystalline polyethylenic resin (2) and a block copolymer (3) having a crystalline ethylenic polymeric block and a block which is more compatible with said EPDM than with said crystalline polyethylenic resin together with an anti-aging agent followed by kneading in a pressurized kneader. A foam of the invention is obtained by adding 1 part by mass of a wetting agent to 100 parts by mass of the thermoplastic elastomer composition described above together with a foaming agent, agitating and then performing an extrusion foaming.

Abstract: An electroconductive silicone rubber sponge composition comprising: 100 parts by weight of a polyorganosiloxane, 1 to 100 parts by weight of all electroconductive filler such as carbon black, 0.01 to 50 parts by weight of a hollow thermoplastic resin powder, 0.1 to 10 parts by weight of a liquid compound that has a boiling point above room temperature, preferably water or an alcohol and a curing agent in an amount sufficient to cure the composition. An optional reinforcing filler may be added. The composition is capable of forming an electroconductive silicone rubber sponge having uniform and microfine foam cells.

Abstract: A static dissipative flexible polyurethane foam is formed under free rise expansion conditions from a polyether graft polyol and an isocyanate, wherein one or more anti-static additives are incorporated into the reaction mix in an amount from 0.10 to 20 parts by weight. Water is added in an amount of from 0.2 to 1.0 parts per weight. Upon curing, the foam has a density in the range of 6 to 20 pounds per cubic foot, a surface resistivity below 1×1011 ohms/square, and a pore size in the range of 100 to 250 pores per inch. The foam may be fabricated (cut or shaped) to form a shaped article, such as a roller, a clean room wipe, a cosmetic applicator or a packaging element.

Abstract: A method for making a one-component epoxy resin system comprises reacting (A) an epoxy resin and (B) an amine solidifying system present in insufficient quantities to cause gelation in the presence of a latent hardener (C) and an expanding agent (E), each of which remains unreacted under the reaction conditions for (A) and (B), to yield a product with a Kofler Heat Bank melting point of less than 55° C. and a melting point stability of at least six months at normal workshop temperatures.

Abstract: A non-halogenated, fire retardant, expanded poly (arylene ether)/polystyrene blends is produced by the method comprising, in a first step, forming a fire retardant mixture comprising a non-halogenated fire retardant, poly(arylene ether) resin and polystyrene resin by intimately mixing in melt; and in a second step, forming the non-halogenated, fire retardant, expandable poly (arylene ether)/polystyrene blend by intimately mixing in melt the fire retardant mixture with a blowing agent and in a third step expanding the non-halogenated, fire retardant, expandable poly (arylene ether)/polystyrene blend.

Abstract: Styrenic polymer foams, especially XPS and EPS, are flame retarded by use of one or more flame retardant bis(bromoalkyl)bromophthalate additives, most preferably bis(2,3-dibromopropyl)tetrabromophthalate. Surprisingly, the distribution of EPS beads in the desired commercial size range was increased by the use of bis(2,3-dibromopropyl)tetrabromophthalate.

Abstract: Prepare a multimodal thermoplastic polymer foam having a distribution of large and small cells in a substantial absence of water by using a blowing agent stabilizer. Multimodal foams of the present invention have blowing agent stabilizer predominantly located proximate to large cells. The resulting multimodal foams have particular utility as thermal insulating materials.

Abstract: A preparation process of polyimide aerogels that composed of aromatic dianhydrides and aromatic diamines or a combined aromatic and aliphatic diamines is described. Also descried is a process to produce carbon aerogels derived from polyimide aerogel composed of a rigid aromatic diamine and an aromatic dianhydride. Finally, the processes to produce carbon aerogels or xerogel-aerogel hybrid, both of which impregnated with highly dispersed transition metal clusters, and metal carbide aerogels, deriving from the polyimide aerogels composed of a rigid aromatic diamine and an aromatic dianhydride, are described. The polyimide aerogels and the polyimide aerogel derivatives consist of interconnecting mesopores with average pore size at 10 to 30 nm and a mono-dispersed pore size distribution. The gel density could be as low as 0.008 g/cc and accessible surface area as high as 1300 m2/g.

Abstract: The invention discloses methods for making foams by photopolymerizing emulsions comprising a reactive phase and a phase immiscible with the reactive phase components. Foams made from water-in-oil emulsions, including high internal phase emulsion are disclosed. Articles and uses for the foams are also described.

Abstract: The present invention provides a composition for preparing porous dielectric then films containing pore-generating material, said composition comprising gemini detergent, and/or a quaternary alkyl ammonium salt, a thermo-stable organic or inorganic matrix precursor, and solvent for dissolving the two solid components. There is also provided an interlayer insulating film having good mechanical properties such as hardness, modulus and hydroscopicity, which is required for semiconductor devices.

Abstract: The present invention provides a resin composition for paint, which contains a thermo-decomposition type foaming agent and polyester resin for paint, a laminate obtainable by applying said composition to a substrate, an article containing said laminate, and a method for recovering a substrate from a laminate comprising heating said laminate. And the paint in the laminate obtainable from said resin composition and the substrate is adhered firmly to the substrate until recycled and the paint layer can easily be peeled off from the substrate by heating the laminate. The resulting substrate can be reused.

Abstract: An extruded thin sheet foam is disclosed prepared from a polyolefin resin in which the blowing agent comprises a blend of from about 1 to 25% by weight of carbon dioxide and the balance of C3 to C4 VOCs. Thin foam sheets produced with the blowing agent age about twice as fast as foams prepared with VOCs, are remarkably stable, and can be produced at high throughputs.

Abstract: Disclosed are formulations adapted to form a foamed cementitious composition, the foamed cementitious composition itself, a method of forming a hydraulic binder foam, and a method of conveying and applying the resulting foam to a substrate. A pumpable cementitious slurry is formed, the slurry is mixed with a gas such as air, and is subjected to mechanically created turbulence to generate gas bubbles and create a foam, which preferably is stabilized by a foam stabilizing agent such as polyvinyl alcohol present in the slurry. The foam is then conveyed to a nozzle or other suitable dispense point from which it is applied, for example sprayed, preferably uniformly, onto a substrate to be coated. Prior to dispensing, a set accelerator is preferably injected, which causes the foam to gel, which in turn improves the hangability of the product on a substrate. The spray material adheres to the substrate and hardens to form an insulative coating on the substrate.

Abstract: The present invention provides a process for manufacturing a cross-linked expanded safety support having a cellular structure comprising closed cells. The process involves kneading by thermomechanical working a rubber composition comprising a diene elastomer having a molar ratio of diene units (defined as units resulting from dienes) of less than 15%, water in an amount of from 3 to 6 phr (phr=parts by weight per 100 parts elastomer), a blowing agent, such as azobisformamide, that provides for formation of the cellular structure and a vulcanization system. The rubber composition so prepared is then formed, e.g. by injection or extrusion, into cross-linkable blank, which is then cured in a mold and then demolded. The demolded blank is then expanded by decomposition of the blowing agent and vulcanized to produce the cross-linked expanded elastomeric support.

Abstract: The use of an adduct of an isocyanate resin and an isocyanate-reactive epoxy resin in an expandable thermosettable composition helps to reduce the tackiness of the composition and also increases its dimensional stability, as compared to compositions in which only non-adducted epoxy resins are present.

Abstract: The present invention relates to a method for preparing an open pourous polymer material, wherein said method comprises forming or a polymer solution, addition of a porogen to said polymer solution and precipitation with water of polymer from said polymer solution, and said method then comprises removal of solvent and porogen from said polymer material wherein said precipitation is homogenous through that said water is in form of crystal water and that said crystal water is bonded to said porogen, wherein said porogen is a sugar hydrate. It further relates to an open porous polymer material, a mixture comprising a sugar hydrate and a polymer solution. and a designed material, and uses thereof.

Abstract: There is provided a foamable poly(vinyl chloride) resin composition which can remarkably improve an expansion ratio. There is used a foamable poly(vinyl chloride) resin composition comprising 100 parts by weight of (A) a poly(vinyl chloride) resin, 0.5 to 30 parts by weight of (B) a processing aid, and 0.

Abstract: A method for forming microcellular foams that causes the material to expand uniaxially during the foaming process, and a method for forming objects from the foam. Liquid crystal polymers or polymers having a planar crystalline structure are saturated with a fluid, normally a gas such as carbon dioxide. The ambient conditions are changed such that the fluid is in a supersaturated state, and the material is brought to near its glass transition temperature to induce the formation of nonspherical elongated gas-filled cells. A process for making objects, such as transducer diaphragms, from microcellular foams includes the step of forming the objects prior to the foaming process.

Abstract: The invention relates to a method for producing an absorbent material for water, aqueous solution and bodily fluid. The absorbent material consists of at least two components Q and B, namely of component Q containing 100 parts by weight of particles and of component B containing between 2 and 250 parts by weight of water. A homogeneous blending of the components produces an absorbent material in flake form, which forms cavities as a result of the mutual adhesion of the particles and/or covalent and/or ionic bonding. Directly after blending, the bulk and/or cavity volume has increased by at least 1% by volume in relation to the sum of the individual volumes of the components used, which correspond to 100% by volume.

Abstract: This invention relates to latent foamable compositions for use in or as adhesives, sealants and/or coatings. The compositions include a curable component or a thermoplastic component, together with a latent foaming agent. In curable versions of the inventive compositions, a cure initiator or catalyst may also be included.

Abstract: The present invention relates to a process for preparing a foam component, said process comprises the steps of extruding a viscous mixture from a rotating extrusion plate onto a receiving surface. Said process provides a convenient, efficient, simple means of preparing foam components, especially foam components suitable for use in cleaning compositions. The present invention also provides a foam component obtainable therefrom.

Abstract: The invention discloses an electromagnetic energy adaptation material, which can absorb electromagnetic energy, the material including a mixture of at least one liquid with at least one surfactant. The liquid may be a dipolar molecular liquid, and may be pressurised by means of a gas. Further the use of an electromagnetic energy adaptation material in the form of a foam for covering an object to prevent detection thereof by an electromagnetic energy detection apparatus, such as radar equipment, is disclosed. Finally a method of minimising or altering detection of an object by means of electromagnetic energy detection apparatus is suggested, which includes the steps of coating such an object or a zone spaced away from such an object at least partially by means of a foam of an electromagnetic energy adaptation material.

Abstract: The invention relates to EPS particles that contain graphite particles or carbon black particles and, as expanding agents, 2.2 to 6 wt. % pentane and 1 to 10 wt. % water.

Abstract: The invention relates to expanded polypropylene beads having a density of from 5 to 200 g/l and a bead diameter of from 1 to 10 mm which comprise from 0.002 to 20% by weight of graphite particles.

Abstract: Methods for making foamed elastomer gels are disclosed. Chemical foaming agents may be incorporated or gas may be injected into a molten gel and then using heating and cooling techniques and/or additives, gas bubbles are formed and preserved in the cooled and solidified elastomer gel.

Abstract: The invention relates to flame resistant rigid foams and formulations useful for the production thereof. The polyol formulation must include at least one substance which is inert with respect to isocyanates, does not deplete the ozone layer and has a boiling point below 55° C. and a reaction product of at least one compound with an aromatic ring, at least one aldehyde or ketone and at least one primary or secondary amine. This polyol formulation is reacted with an isocyanate, optionally with other commonly used additives, to produce rigid flame resistant foams.

Abstract: An extruded styrene resin foam which is produced by using a blowing agent imposing a reduced load on the environment and has outstandingly excellent thermal insulating property and flame retardant property adapted for construction use.

Abstract: Granulated hydrophilic urethane polymer foam products with controlled release or contact of agents and additives, formed from the reaction product of an aqueous formulation comprising limited quantities of an absorbent polymer, an agent or additive from the group of detergents, soaps, abrasives, waxes, polishes, drugs, cosmetics, biologicals, volatiles, chemicals, water emulsions, water mixture with solid particles and optionally selective additives with adequate water and a predetermined ratio of hydrophilic urethane prepolymer to provide the polymerized solid. The agents and additives if any, are homogenously incorporated strands, fibers and intercellular structures of the matrix for the formed urethane polymer foam product to materially increase mass transfer between the agents and additives and a target in the effluent. The hydrophilic urethane polymer will allow intimate contact between agent/additive and effluent target.

Abstract: A scorch inhibitor composition for use an additive in the manufacture of polyurethane foams is based on a derivatized phenol, 4-tertbutyl catechol, and optionally, phenothiazine. The derivatized phenol is a di-tert-butyl phenol, preferably a 2,6 tert-butyl phenol substituted at least at the 4-position with an aliphatic, aromatic or aliphatic-aromatic moiety, of C2 or greater. Preferably, the phenol is a liquid, and is chosen from among 2,6 di-tert-butyl-4-isobutyl phenol; 2,6 di-tert-butyl-4-nonyl phenol; and benzenepropanoic acid, 3,5-bis(1,1-dimethyl-ethyl)-4-hydroxy-.C7-C9 branched alkyl esters. The phenol may optionally possess combinations of heteroatoms, such as O, N, P or S, and may be dimerized.

Abstract: Microporous materials and articles are disclosed. The microporous materials contain a crystallizable propylene-containing polymer, a beta-nucleating agent, and a diluent that is miscible with the polymer at a temperature above the melting temperature of the polymer and that phase separates from the polymer at a temperature below the polymer crystallization temperature. The invention is also directed to methods of forming the microporous material using thermal induced phase separation and subsequent processing.

Abstract: Polyurethane foam products with controlled release of agents and additives, if any, are formed from the reaction products of an aqueous formulation of a limited quantity of superabsorbent polymer, an agent or agents from the group of detergents, abrasives, waxes, polishes, drugs, cosmetics, biologicals, volatiles, odor absorbing and controlling compositions and water soluble chemicals, optionally selective additives, and water with a predetermined ratio of hydrophilic urethane prepolymer to provide a polymerizing mixture. The agents and additives, if any, are incorporated directly into the matrix of the formed foam product to increase the number of times that the formed foam products can be used. The products and methods include a formed foam product with an abrasive material uniformly dispersed therein and/or formed on at least one exterior face of the products. Sized granular formed foam product can be comminuted to provide filters materials and animal litter.

Abstract: Methods of forming crosslinked hyaluronic acid anti-adhesion barriers, crosslinked hyaluronic acid anti-adhesions barriers, methods for preventing or inhibiting adhesions, and methods of promoting healing of a wound are provided. The method of forming the crosslinked hyaluronic acid anti-adhesion barrier includes freeze-drying a solution including hyaluronic acid to form a hyaluronic acid foam, which is then reacted with a crosslinking agent to form a crosslinked hyaluronic acid foam. The crosslinked hyaluronic acid foam is mixed with a solution containing hyaluronic acid to form an anti-adhesion barrier.

Abstract: A molding prepared from a composition that includes (a) wood particles and/or cellulose-containing material; (b) at least one polyisocyanate; (c) at least one polyol and/or polyamine; and, (d) at least one carboxylic acid-containing blowing agent is provided. Processes for producing the molding are also provided.

Abstract: The invention concerns a fire-resistant polyolefin comprising between 5 and 90% of chlorinated polyethylene, a method for preparing them and their use for making foams or thermoformed products. The invention also concerns the resulting foams and thermoformed products and the use of the resulting foams.

Abstract: A method of producing an open, porous structure having an outer surface defining a shape having a bulk volume and having interconnecting openings extending throughout said volume and opening through said surface, and products resulting from the method. The method comprises preparing a viscous mixture comprising a sinterable powder dispersed in a sol of a polymer in a primary solvent, replacing the primary solvent with a secondary liquid in which the polymer is insoluble to produce a gel comprising an open polymeric network having the sinterable powder arranged therein, removing the secondary liquid from the gel; removing the polymer network, and sintering the sinterable powder to form the open, porous structure. Also disclosed are shaped, porous products resulting from methods of the invention.

Abstract: A method of forming a cellular material or “core” by immersing the core in water until it is sufficiently flexible to be molded around a tool into the required shape and then drying the formed core such that the core then retains that shape.

Abstract: An isocyanate-based polymer foam comprising an isocyanate-based polymer foam matrix having disposed therein a particulate material having an enthalpy of endothermic phase transition of at least about 50 J/g. A process for producing the foam is also described. During the process, the particulate material acts as a heat sink and will undergo an endothermic phase change by absorbing a significant portion of the heat of reaction liberated during the process. This improves the safety of the process by lowering the maximum exotherm experienced by the foam and/or improves product properties.

Abstract: The invention relates to 2,7-substituted-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers. The fluorenes, oligomers and polymers are substituted at the 9-position with two hydrocarbyl moieties which may optionally contain one or more of sulfur, nitrogen, oxygen, phosphorous or silicon heteroatoms; a C5-20 ring structure formed with the 9-carbon on the fluorene ring or a C4-20 ring structure formed with the 9-carbon containing one or more heteroatoms of sulfur, nitrogen or oxygen; or a hydrocarbylidene moiety. In one embodiment, the fluorenes are substituted at the 2- and 7-positions with aryl moieties which may further be substituted with moieties which are capable of crosslinking or chain extension or a trialkylsiloxy moiety. The fluorene polymers and oligomers may be substituted at the 2- and 7′-positions. The monomer units of the fluorene oligomers and polymers are bound to one another at the 2- and 7′-positions.