Abstract: A membrane comprises a sheet of expanded polytetrafluoroethylene. The sheet includes a first extrudate made from a first PTFE fine powder resin mixed with processing lubricant at a first lube rate. A second extrudate is made from the first PTFE fine powder resin mixed with processing lubricant at the first lube rate. The first and second extrudates combined into an integrated tape structure that is stretched in first and second directions. The sheet is porous and has a gas permeability of at least 0.1 CFM according to ASTM D737. The sheet has an average Mullen Hydrostatic Burst pressure in the range of 135 psi to 175 psi according to ASTM D751.

Abstract: Provided herein are scaffolds and methods useful to promote the formation of functional clusters on a tissue, for example, motor endplates (MEPs) or a component thereof on skeletal muscle cells or tissue, as well as the use of scaffolds so produced for repairing a tissue injury or defect.

Abstract: The present invention relates to an apparatus and method for manufacturing a fine porous film to be used as a separation film of a secondary battery. The apparatus for manufacturing the fine porous film of the present invention includes: a T-shaped die (20) for molding a precursor film by extruding a molten resin generated by melting a partially crystalline resin through the front end of a nozzle; a guide roller (50) arranged at a downstream side of the extrusion direction of the T-shaped die (20) so as to move and guide the precursor film (F1) at a predetermined draft ratio; a precursor film cooling unit (40) for providing, in the moving direction of the precursor film, a flow of cooling air over either or both of the front and back surfaces of the precursor film so as to cool the precursor film; and a film stretching unit for applying a tensile force, in an axial direction or in biaxial directions, to the cooled film while same is passing through the precursor film cooling means (40).

Abstract: A process for preparing a reverse osmosis membrane that includes: (A) providing a polyamine, a polyfunctional acid halide, and a flux increasing additive having the formula Z+B? where Z+ is an easily dissociable cation and B? is a beta-diketonate; (B) combining the polyamine, polyfunctional acid halide, and flux increasing additive on the surface of a porous support membrane; and (C) interfacially polymerizing the polyamine and the polyfunctional acid halide, and flux increasing additive on the surface of the porous support membrane to form a reverse osmosis membrane comprising (i) the porous support membrane and (ii) a discrimination layer comprising a polyamide. The reverse osmosis membrane is characterized by a flux that is greater than the flux of the same membrane prepared in the absence of the flux increasing additive.

Abstract: A method for forming an isoporous graded film comprising multiblock copolymers and isoporous graded films. The films have a surface layer and a bulk layer. The surface layer can have at least 1×1014 pores/m2 and a pore size distribution (dmax/dmin)) of less than 3. The bulk layer has an asymmetric structure. The films can be used in filtration applications.

Abstract: Ultra high molecular weight polyethylene (UHMWPE) polymers that have an average molecular weight of at least 500,000 g/mol and an enthalpy of at least 190 J/g is provided. The UHMWPE polymer may include at least one comonomer. The UHMWPE polymer is used to form a membrane, that, when expanded, has a node and fibril structure. The UHMWPE membrane has an endotherm of about 150° C. associated with the fibrils in the membrane. The membrane has a percent porosity of at least 25%, and in exemplary embodiments, the percent porosity is at least 60%. Additionally, the UHMWPE membrane has a thickness less than 1 mm. An UHMWPE membrane may be formed by lubricating the UHMWPE polymer, subjecting the lubricated polymer to pressure at a temperature below the melting point of the UHMWPE polymer to form a tape, and expanding the tape at a temperature below the melting temperature of the UHMWPE polymer.

Abstract: A mold release agent having an extended life and methods for making and using the same are provided. The extended life mold release agent may include a first material configured to be placed in direct physical contact with a surface of a mold cavity to seal the surface. The extended life mold release agent may also include a second material configured to coat the first material to protect the first material during a foam production process performed within the mold cavity. The second material includes a siloxane oil.

Abstract: Provided is a PTFE skived film capable of exhibiting, with a single layer, sliding properties, barrier properties with regard to a liquid contact surface, and excellent tear resistance during injection molding. This skived film is characterized by being obtained by cutting a polytetrafluoroethylene block or a modified polytetrafluoroethylene block subjected to a thermal fusion treatment under reduced pressure or subjected to a pressurized thermal fusion treatment after being subjected to fusion under reduced pressure.

Abstract: A noncrosslinked polyethylene resin expanded particle is provided having a bulk density BD in a range of 10 g/L to 100 g/L, the particle being obtained by expanding a polyethylene resin particle whose density is in a range of 0.920 g/cm3 to 0.940 g/cm3, the noncrosslinked polyethylene resin expanded particle having a shrinkage factor in a range of 2% to 30%, the shrinkage factor being obtained by the following formula (1): Shrinkage Factor =(BD?VBD)×100/VBD??(1), wherein: the BD of the noncrosslinked polyethylene expanded particle is a bulk density at 23° C. and at 0.1 MPa (at a normal atmospheric pressure); and the VBD of the noncrosslinked polyethylene expanded particle is a bulk density at 23° C. and at a reduced pressure of 0.002 MPa or less.

Abstract: The present invention relates to a heat-insulating material, in particular in the form of a solid foam, based on mineral particles of submicron porosity, this material incorporating two different ranges of porosities, advantageously including a first range consisting of (macro)pores with diameters of between 10 microns and 3 mm, and a second range consisting of submicron pores with diameters greater than 4 nm and less than 1 ?m, the pore volume of said submicron pores being at least 0.5 cm3/g and the mass per unit volume of said insulating material being less than 300 kg/m3.

Abstract: An antenna and a method of manufacturing the antenna are provided. The antenna may include an antenna surface, a ground plane, and an air layer comprising a porous structure.

Abstract: A ball joint prosthesis can include a shell, having an outer articular surface of a first material and an open distal end, configured to receive a sealing receptacle. A volume of a second material, within the shell, can be more compressible than the first material. The ball joint prosthesis can have an effective compressibility that is intermediate between a compressibility of the first material and a compressibility of the second material.

Abstract: A prepreg composite that contains a porous substrate impregnated with an aromatic polyester is provided. In addition to possessing a high degree of heat and moisture resistance, the present inventors have also discovered that the nature of the aromatic polyester can be selectively controlled so that it is soluble in a solvent. This allows for the formation of polymer solutions that can be readily employed to impregnate the porous substrate. The nature of the polyester and its relative concentration in the solution can also be tailored to achieve polymers that not only adhere well to the substrate, but also possess good thermal and mechanical properties for use in a wide variety of potential applications.

Abstract: A method of forming a porous sol gel, including a dried porous sol gel, is provided comprising forming a sol gel from a sol gel-forming composition comprising a silane solution and a catalyst solution; and non-supercritically drying the sol gel to provide a dried porous sol gel having no springback. The dried porous sol gel can include dried macroporous or mesoporous sol gels or dried hybrid aerogels. The materials may contain open or filled pores.

Abstract: A continuous forming apparatus for molding foam material into foam products that includes a first endless belt and a second endless belt that cooperates with the first endless belt to mold the foam material. The continuous forming apparatus may also include a first plurality of cleats and a second plurality of cleats opposed to the first plurality of cleats that support the first endless belt and the second endless belt respectively. The first plurality of cleats may include a three-dimensional abutment surface that provides transverse and lateral support to the first endless belt. Additionally, the continuous forming apparatus may include a first frame disposed to support the first plurality of cleats, a second frame disposed to support the second plurality of cleats, and a drive mechanism for imparting motion to the first endless belt, the second endless belt, the first plurality of cleats, and the second plurality of cleats.

Abstract: Described herein are pharmaceutical compositions according to aspects of the present invention which include one or more hydrophilic antineoplastic chemotherapeutics, such as vinca alkyloid antineoplastic chemotherapeutics, encapsulated in ceramide anionic liposomes. Methods of treatment of a subject having cancer using the pharmaceutical compositions are described, along with methods of making ceramide anionic liposomes which encapsulate one or more hydrophilic antineoplastic chemotherapeutics in the aqueous interior of the ceramide anionic liposomes.

Abstract: A porous polyimide is obtained by pulverizing a foam product of a polyimide precursor. Particularly, the foam product of the polyimide precursor is a product of heating the polyimide precursor for foaming with microwave radiation and has the imidization ratio of 10 to 90%, and is preferably a foam product including a tetracarboxylic acid component, which contains 50 mol % or more of biphenyltetracarboxylic acids and is monoesterified and/or diesterified in parts with a lower aliphatic primary alcohol with the number of carbon atoms of 4 or less, and a diamine component containing 90 mol % or more of an aromatic diamine, and being a monomer salt of which the ratio of the tetracarboxylic acid component and the diamine component is approximately 2:1 and in a solid form dispersed at molecular level.

Abstract: A layer of cellular material forms a running layer (14A) of a tread (14) in which tread pattern elements (20, 22, 26) are made. In order to form the cellular material, an uncured blank is provided with a mass of material comprising p,p?-oxybis(benzenesulphonyl hydrazide) that forms a pore-forming agent. The uncured blank is placed in a vulcanization mold (28) comprising molding elements (30, 32, 34). At least 95% of the molding elements (30, 32, 34) each satisfy the following two conditions: a) the molding element (30, 32, 34) is separated from at least one other molding element (30, 32, 34) by a distance, expressed in millimetres, of less than or equal to DM=6.85+0.

Abstract: An aqueous emulsion resin for producing memory foam and a method for manufacturing memory foam products are revealed. The emulsion resin mainly includes 38˜58% hydrophilic polyurethane(PU) prepolymer, 8˜22% aqueous emulsion polymer and 8˜20% polyether polyol. The PU prepolymer includes 40˜70% polyether polyol and 30˜60% isocyanate while the molecular weight of polyether polyol is ranging from 60 to 1800. The polyether polyol contains at least 40 mol % amount of ether group and the amount of ether group is 18˜99.9%. The hydrophilic emulsion resin features on good vibration absorption, even pressure relief, moisture absorption, heat absorption, and low temperature resistance. While in contact with bodies, users feel cool and dry. Moreover, the resin will not become rigid at the temperature lower than 10° C. The comfort of the foam is improved and the applications of the foam are increased.

Abstract: The present invention pertains to a process for the manufacture of a porous membrane, said process comprising the following steps: (i) providing a composition [composition (F)] comprising: —at least one fluoropolymer [polymer (F)] comprising recurring units derived from at least one (meth)acrylic monomer (MA) having formula (I) wherein: —R1, R2 and R3, equal to or different from each other, are independently selected from a hydrogen atom and a C1-C3 hydrocarbon group, and —RX is a hydrogen atom or a C1-C5 hydrocarbon moiety comprising at least one functional group selected from a hydroxyl, a carboxyl, an epoxide, an ester and an ether group, and —at least one poly(alkylene oxide) (PAO); (ii) processing said composition (F) to provide a film; (iii) treating the film so obtained with an aqueous composition to provide said porous membrane.

Abstract: A method comprises disposing, on a porous support membrane, an aqueous mixture comprising a crosslinkable polymer comprising a poly(meth)acrylate and/or poly(meth)acrylamide backbone, thereby forming an initial film layer, wherein the crosslinkable polymer comprises a side chain nucleophilic amine group capable of interfacially reacting with a multi-functional acid halide crosslinking agent to form a crosslinked polymer; contacting the initial film layer with a mixture comprising i) the multi-functional acid halide crosslinking agent, ii) an optional accelerator, and iii) an organic solvent, the organic solvent being a non-solvent for the crosslinkable polymer; and allowing the crosslinkable polymer to interfacially react with the crosslinking agent, thereby forming a composite filtration membrane comprising an anti-fouling selective layer comprising the crosslinked polymer.

Abstract: To provide a process for producing a flexible polyurethane foam having a higher biomass degree than a conventional flexible polyurethane foam and excellent in foam physical properties and its appearance. A polymer-dispersed polyol obtained by polymerizing a vinyl monomer in the presence of the following polyol (a1) derived from a natural fat/oil and/or the following polyoxyalkylene polyol (a2) is used: Polyol (a1) derived from a natural fat/oil: a polyol derived from a natural fat/oil, which is obtained by providing a natural fat/oil with hydroxy groups by chemical reaction, and which has a hydroxy value of from 20 to 250 mgKOH/g and a molecular weight distribution of at least 1.

Abstract: A method for making foamed thermoplastic materials includes processing a composition that contains (a) at least one thermoplastic material selected from one or more polyhydroxyalkanoates (PHAs), poly(lactic acid) (PLA), or combinations thereof; and (b) at least one organic peroxide under conditions effective to permit the composition to foam. The foamed thermoplastic materials provide a low density and lightness in weight, can be used in a variety of useful articles spanning many industries, and can have, depending on the choice of thermoplastic materials, excellent biodegradability compared to foamed polymers derived from non-renewable resources.

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: A method of fabricating a foamed, injection-molded component is provided. The method includes the step of introducing a liquid, a nucleating agent and a polymer into an injection barrel of an injection molding machine. The liquid, the nucleating agent and the polymer are injected into a mold corresponding in shape to the component and the component is released from the mold.

Abstract: A hydrophilic filtration membrane having high chemical resistance, high strength, high water permeability and high blocking performance, and being superior in fouling resistance is provided. A hydrophilic filtration membrane containing a hydrophilic polyethersulfone having a contact angle of 65 to 74 degree, a molecular weight of 10,000 to 100,000, and the number of hydroxy groups of 0.6 to 1.4 per 100 polymerization repeating units. The hydrophilic filtration membrane may additionally contain a polyvinylpyrrolidone having a molecular weight of 10,000 to 1,300,000.

Abstract: Devices and methods of manufacturing a polyolefin microporous film are disclosed. An exemplary device includes a movement mechanism having a constraining means capable of mechanically constraining both widthwise edge parts of the strip-like and film-like microporous film precursor in the drying chamber; a drying means and a liquid seal tank. An exemplary method includes a step for mechanically constraining both widthwise edge parts of the strip-like and film-like microporous film precursor and a step for conveying the foregoing film precursor into the drying chamber. Another exemplary method includes a step for mechanically constraining both widthwise edge parts of the strip-like and film-like microporous film precursor at an entrance side of the drying chamber, a step for commencing extracting of the plasticizer from the film-like microporous film precursor, and a step for conveying the strip-like and film-like microporous film precursor into the drying chamber and for heating the foregoing film precursor.

Abstract: Disclosed is a composite semipermeable membrane, which comprises a separation functional layer on a microporous support, and in which the separation functional layer is made of a condensation product of a polymer that has acidic groups and a trialkoxysilane groups having an imidazolium structure in side chains. The composite semipermeable membrane has excellent selective separation performance for divalent ions over monovalent ions, while exhibiting excellent long-term durability. Also disclosed is a method for producing the composite semipermeable membrane. The composite semipermeable membrane is suitable for uses in various water treatment fields such as the desalination of seawater and the production of drinking water. In addition, the composite semipermeable membrane does not deteriorate as much as conventional composite semipermeable membrane even in cases where the membrane is sterilized by having chlorine-containing raw water permeate therethrough continuously or intermittently.

Abstract: The present invention relates to a process for preparing a separator for an electrochemical device, including the steps of: applying a slurry including at least cellulose fibers and a hydrophilic pore former with a boiling point of 180° C. or more onto a substrate; drying the slurry to form a sheet on the substrate; and separating the sheet from the substrate to obtain a separator, wherein the separator has a volume resistivity of 1500 ?·cm or less determined by alternate current with a frequency of 20 kHz in which the separator is impregnated with a 1 mol/LiPF6/propylene carbonate solution. The present invention can provide a separator for electrochemical devices which has superior separator properties such as low inner resistivity for electrochemical devices, has high lithium shielding properties that cannot be exerted by non-woven fabrics, paper or the like, and can be prepared at a reasonable cost.

Abstract: A method for forming a membrane includes a step of dissolving a lithium salt in a solution including an ionomer that includes protogenic groups to form a modified solution. A membrane is formed from the solution containing the lithium salt and the ionomer that includes protogenic groups. The membrane is dried and then contacted with water to form a plurality of pores therein.

Abstract: Novel bioabsorbable polymeric blends are disclosed. The blends have a first component that is a polylactide polymers or a copolymer of lactide and glycolide and a second component that is poly(p-dioxanone) polymer. The novel polymeric blends provide medical devices having dimensional stability. Also disclosed are novel bioabsorbable medical devices made from these novel polymer blends, as well as novel methods of manufacture.

Abstract: To provide a thermoplastic resin microporous film being difficult in longitudinal tearing and excellent in tear resistance; a microporous film comprising a thermoplastic resin, wherein a melt flow rate of the thermoplastic resin in the microporous film is in the range of 0.1 to 2.0 g/10 min, tensile strength in a cross-machine direction is in the range of 5 to 10 MPa and tensile elongation in the cross-machine direction is 300% or more.

Abstract: A method for producing a porous film is described, including a solidification step for solidifying a film-forming starting solution in a solidification solution. In the method, the temperature of the solidification solution used in the solidification step is controlled by transferring the solidification solution, which is temperature-controlled by a temperature control means, to a solidification means for solidifying the film-forming starting solution. An apparatus for executing the method is also described. The method and apparatus for producing a porous film are capable of stably controlling the temperature of the solidification solution to control the fluctuation in the quality of the obtained porous film. In addition, an apparatus for producing a porous film, which is capable of producing a hollow-fiber film without causing defects thereto, is also described.

Abstract: An object of the present invention is to provide a composite semipermeable membrane which has excellent chemical resistance, separation performance, and water permeability, and the composite semipermeable membrane has the following structure. The present invention provides a composite semipermeable membrane in which an separation function layer is formed on a microporous supporting membrane, wherein the separation function layer is formed from (A) a silicon compound in which a reactive group having an ethylenically unsaturated group and a hydrolyzable group are directly bonded to silicon atoms, and (B) a compound having an ethylenically unsaturated group other than the silicon compound, by condensation of the hydrolyzable group of the silicon compound (A) and polymerization of the ethylenically unsaturated group of the silicon compound (A) and the ethylenically unsaturated group of the compound (B) having the ethylenically unsaturated group.

Abstract: There is provided a foamed resin molded article having many microscopic foamed cells formed therein. The foamed resin molded article (1) of the present invention has its surface formed of a skin layer (2) and has its interior formed of a foamed layer (3). The foamed layer (3) has a plurality of first foamed cells (4) and a plurality of second foamed cells (5) formed therein, the plurality of second foamed cells (5) being formed between the first foamed cells (4) and being smaller than the first foamed cells (4).

Abstract: The invention relates to a heat and/or moisture exchange element, such as a heat and/or moisture exchange plate for plate heat and/or moisture exchangers, a storage mass layer for rotation heat and/or moisture exchangers and the like, wherein a greater and more precisely adjustable efficiency in transferring thermal energy and/or moisture is enabled without noticeable increase to the technical design complexity for production. According to the invention, the heat and/or moisture exchange element is designed from a structure penetrated by a plurality of hollow points and designed to be selectively permeable to water and water vapor and/or capable of storage.

Abstract: A heat-resistant material based on an amorphous thermoplastic polymer that is resistant to, but highly compatible with electrolyte solutions is disclosed. In an aspect, the heat-resistant material is used to form a separator for a battery cell and/or an electrolytic capacitor cell.

Abstract: A process for the manufacture of a fiber or foil comprising at least one optionally functionalized polymer with a high Tg selected from the group consisting of poly(aryl ether sulfone) (PAES), poly(aryl ether ketone) (PAEK) and aromatic polyimide, comprising the steps of (aa) providing a solution comprising at least 45 wt. % of the polymer, and at least 20 wt. %, of at least one halogen-free organic solvent (S1) for the polymer, both wt % based upon the weight of the solution; (bb) pushing the solution through a nozzle; and (cc) introducing the solution into a coagulation bath comprising: (cc1) at least one liquid (L1) in which the polymer is insoluble, and optionally (cc2) at least one organic solvent (S2) for the polymer, identical to or different from the organic solvent (S1), to form a fiber or foil. A fiber or foil obtained by this process as well as to fibers or foils with specific porosity features and/or mechanical properties.

Abstract: Process for the production of nanoporous foamed active substance-containing preparations, wherein the active substance is present embedded in a pharmaceutically acceptable polymer, wherein, in stage a) loading of a polymeric molding composition or a polymer melt with a propellant is effected at a pressure and at a temperature at which the propellant is in the supercritical state, in stage b) heating of the laden polymer molding compound or melt is carried out under pressure at a temperature which lies in the range from ?40 to +60° C., preferably ?20 to +55° C., and especially preferably 0 to +50° C. around the glass transition temperature of the unladen (prior to loading) polymeric molding compound and in stage c) a depressurization of the polymeric molding compound or melt laden in stage a) and heated under pressure in stage b) is effected out with a depressurization rate in the range from 15,000 to 200,000 MPa/sec.

Abstract: A method for altering the melt characteristics of a polyester, such as the melt strength, the method comprising the step of melt mixing the polyester, with a tetracarboxylic dianhydride; across-linker and chain extender comprising at least two groups being able to react with a carboxy group and a phenolic hydroxyl group; and a poly functional compound comprising at least two groups selected from the group consisting of non-sterically hindered phenolic hydroxyl groups, and carboxy groups.

Abstract: A system for making carbon foam anodes including a digestion vessel in communication with a coal feedstock unit for producing a digested coal; a mold having an interior for accepting the digested coal to produce an ungraphitized carbon foam anode having a desired shape; a pressure unit in communication with the mold for producing an increased pressure within the interior of said mold; a heating element in communication with the mold to provide heat to the mold sufficient to convert the digested coal into the ungraphitized carbon foam anode; and a graphitization oven for graphitizing the ungraphitized carbon foam anode to produce the carbon foam anode. The present invention further includes methods for making carbon foam anodes.

Abstract: A carbon monolith includes a robust carbon monolith characterized by a skeleton size of at least 100 nm, and a hierarchical pore structure having macropores and mesopores.

Abstract: The variable hydraulic preform slurry electrolyte carbon extrusion high wear-heat resistant parts press is utilized process specified scientific formula liquid or gas Nano particle dispersion preform slurry electrolyte extrusion carbon nanofoam CNFs, with or without ionic suspension element 1. preform slurry electrolyte carbon nanofoam CNFs extrusion high wear-heat resistant parts electronic component composite coils, composite windings, brushes, inductors, antinode couplers, electric rheostats, starters, motors, alternators, generators, ionic suspension element enhanced composite coils, composite windings, brushes, capacitors, battery cells, rheostats, electronic resistors, transformers, transducers, rectifiers, power supplies, or heat sinks 2. Preform slurry electrolyte carbon nanofoam CNFs extrusion high wear-heat resistant parts aerospace, automotive, and transportation brake calipers, rotors, pads, and bushings 3.

Abstract: A method includes dispensing a first polymer or predominantly polymer material foam precursor and allowing the precursor to rise and at least partially set to form a foam core layer for an insulation board, the foam core layer having a first density. The method further comprises dispensing a second polymer or predominantly polymer material foam precursor and allowing the second precursor to rise and set to form a core layer for a cover board, the core layer for the cover board having a second density greater than the first density. The second foam precursor may include polyisocyanurate. The method may also include feeding facer materials over the precursors to form facers on the core layers. Such insulation boards and cover boards may be cut to length and installed on a roof.

Abstract: A vascular model includes at least one microchannel perfusable by at least one fluid and in a form of a hollow structure having a wall thickness in a range from 0.1 ?m to 1000 ?m, a concave inner surface with a cross-section which is circular in part and at least one pore having a diameter in a range from 1 nm to 100 ?m. The at least one microchannel has a width in a range from 0.01 ?m to 10 mm and a depth in a range from 0.01 ?m to 10 mm. At least one chamber is perfusable by a same and/or different fluid and surrounds the at least one microchannel over an entire length and width or over parts thereof. The at least one chamber adjoins the at least one microchannel. At least one connector is configured to receive and/or discharge the at least one fluid.

Abstract: A polymer foam layer is disclosed, comprising a polymer foam and a plurality of electrically conductive particles dispersed within the polymer foam, polymer foam layer having an unabraded first surface and an opposite, second surface, wherein the electrically conductive particles essentially continuously span the polymer foam layer, and a portion of the electrically conductive particles are exposed at the first surface of the layer and another portion of the electrically conductive particles are exposed at the second surface. The foams are useful as gaskets for electromagnetic shielding, grounding pads, battery contact conductive spring elements, and the like.

Abstract: A method for producing a polyolefin-based porous film includes an (A) step: a raw fabric forming step for forming a non-porous raw fabric from a polyolefin-based resin composition, a (B) step: an MD cold stretching step for cold stretching the non-porous raw fabric obtained in the (A) step at a temperature of ?20° C. to (Tm?30)° C. (Tm is a melting point (° C.) of the non-porous raw fabric) in an extruding direction (MD) of the raw fabric to make the raw fabric porous; a (D) step: a TD cold stretching step for cold stretching a film processed in the (B) step in a direction (TD) perpendicular to the MD, and an (H) step: a thermal fixing step, in the above order.

Abstract: A process is described for producing an injection moulding (300) with the aid of an injection moulding device (100), where a charge (301) is injected into a cavity (200) of the injection moulding device (100) and is foamed with the aid of a ventilation cycle (132, 142, 152). In this process, a displacer element (130, 140, 150) restricted to a selected section (220, 240, 260) of the cavity (200) is introduced into the cavity (200), and the charge (301) is injected into the cavity (200) with the displacer element (130, 140, 150) arranged therein. In a subsequent ventilation cycle (132, 142, 152), the displacer element (130, 140, 150) is then moved out from the cavity (200) in order to foam the charge (301) in the selected section (220, 240, 260) of the cavity (200).

Abstract: A fire-resistant polyurethane foam is provided. A hydroxyl-containing inorganic fire retardant is premixed with a polyisocyanate and a polyol, respectively, to form two premixtures. Then, the two premixtures are mixed for reaction to form a fire-resistant polyurethane foam. Preferably, a combination of different particle sizes of the fire retardant is employed to maximize the amount of the fire retardant and increase the fire resistance of the foam.

Abstract: A forming device includes a closure and an exterior face. The closure is sized and shaped to substantially close off an opening of a select space, and the exterior face is configured to confront and shape insulation. The forming device may further include a plurality of lip members extending away from the closure, the lip members being contiguous with the closure and generally surrounding the closure. The lip members may be curved.