Abstract
European Patent Office
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Japanese Patent Office
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U.S. Patent and Trademark Office
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EP—European Patent Office
JP—Japanese Patent Office
No Designation—U.S. Patent and Trademark Office
WO—World Intellectual Property Organization
Polyisocyanurate Composition
Document Number: 20130137791
Inventor(s): Golini, Paolo; Bian, Kai-Sheng
Assignee: Dow Global Technologies LLC
Polyisocyanurate foam composition, articles comprising the composition and a method of making the composition are described. The polyisocyanurate foam composition comprises the reaction product of a polyisocyanate compound; and a first polyester polyol comprising the residue of orthophthalic acid; a second polyester polyol comprising the residue of terephthalic acid; at least one polyether polyol having a functionality of at least 3 and a hydroxyl number greater than 200; and a physical blowing agent, wherein the isocyanate index is greater than 250.
Impact-Resistant Foam Composition
Document Number: 20130137790
Inventor(s): Hu, Cheng
Assignee: Nike, Inc.
A foam composition is provided. An exemplary foam composition comprises a polymer of styrene, ethylene, and butylene. The exemplary foam composition further comprises additional agents that enhance the foam composition's stability during industrial laundering and usage. As characterized by a peak tangent .delta. value around 19 degrees Celsius and a specific gravity below 0.16 g/cc, the foam composition is impact-resistant, lightweight, and resistant to shrinkage. Examples of the foam composition may be incorporated into garments as part of impact-resistant athletic attire.
Polyol, Polyol Composition, and Flexible Polyurethane Foam Using the Same
Document Number: 20130131208
Inventor(s): Matsufuji, Mikio; Kunihiro, Tamotsu; Miyata, Atsushi; Matsumoto, Shinsuke; Sano, Koichi; Hiraide, Toru
Assignee: Mitsui Chemicals, Inc.
Disclosed are a polyol with a molecular weight distribution Mw/Mn of 4 or more, obtained by reacting a compound comprising an alkylene oxide compound (II) having a hydroxyl group in a base polyol (I) with a molecular weight of 2000 or more; and a polyol composition for a flexible polyurethane foam, comprising a polyol compound and a crosslinker, wherein the crosslinker comprises a polyol (a) with a hydroxyl value of 50 to 1100 mgKOH/g and with a primary hydroxylate ratio of 25% or more and 60% or less, which is obtained by an addition of a compound comprising alkylene oxide compound (ii) having a hydroxyl group to active hydrogen compound (i).
Method for Producing Flat, Hydrophilic, Aliphatic Polyurethane Foams
Document Number: 20130131206
Inventor(s): Niesten, Meike; Dorr, Sebastain; Kramer, Thorsten
Assignee: Unavailable
The invention relates to a method for producing flat, hydrophilic, aliphatic polyurethane foams. The invention also relates to a flat, hydrophilic, aliphatic polyurethane foam obtained according to said method and to the use thereof as a wound dressing, incontinence product or cosmetic article. According to the invention, a prepolymer-component and a carbonic acid or carboxylate component containing water is produced, said components are combined and mixed, and the obtained mixture is applied to a flat substrate as a layer which has an even thickness. Directly after application, a perforated separation element is applied in a flat manner to the layer. Said applied layer then expands with the applied perforated separation element to form the flat polyurethane foam.
Unitary Composite/Hybrid Cushioning Structure(s) and Profile(s) Comprised of a Thermoplastic Foam(s) and a Thermoset Material(s)
Document Number: 20130119574
Inventor(s): Allman, Michael; Cao, Bangshu; Yiannaki, Andrew Costas; Sobran, Ivan; Henderson, Randal Lee
Assignee: Unavailable
Embodiments disclosed in the detailed description include a unitary or monolithic composite or hybrid cushioning structure(s) and profile(s) comprised of a cellular thermoplastic foam and a thermoset material. The thermoset material may also be provided as cellular foam as well. In one embodiment disclosed herein, the unitary composite cushioning structure is formed from a cellular thermoplastic foam and a thermoset material. The cellular thermoplastic foam provides support characteristics to the unitary composite cushioning structure. The thermoset material provides a resilient structure with cushioning characteristics to the cushioning structure. A stratum is disposed between at least a portion of the cellular thermoplastic foam and at least a portion of the thermoset material to secure the at least a portion of the thermoset material to the at least a portion of the cellular thermoplastic foam to provide a unitary composite cushioning structure.
Flame Retardant Foam Polystyrene Bead and Method for Manufacturing the Same
Document Number: 20130119327
Inventor(s): Kim, Sang Hyuk; Cho, Sa Eun; Lee, Don Keun
Assignee: Cheil Industries Inc.
A flame retardant foam polystyrene bead comprises: (A) a mixed resin including (a1) about 90 wt % to about 99 wt % of a styrene resin and (a2) about 1 wt % to about 10 wt % of a char-generating thermoplastic resin; (B) inorganic foam particles dispersed in the mixed resin; and (C) a foaming agent impregnated into the mixed resin containing the dispersed inorganic foam particles. The foam produced using the flame retardant foam polystyrene bead can have good flame retardancy, insulation, and mechanical strength properties.
Gelled Foam Compositions and Methods
Document Number: 20130118748
Inventor(s): Miquilena, Emilio Jose; Arangath, Roberto; Milne, Arthur; Saldungaray, Pedro; Hutchins, Richard Donald; Ali, Syed A.; Quintero, Baudel William; Li, Leiming
Assignee: Schlumberger Technology Corporation
The invention provides a method made of steps of injecting into a wellbore, a composition comprising a solvent, a surfactant, a foaming gas, a foam enhancer, a crosslinkable polymer, and a crosslinking agent capable of crosslinking the polymer, wherein the foam enhancer increases the foam half-life of the gel composition compared to the gel composition without the foam enhancer; and allowing viscosity of the composition to increase and form a gel.
Durable Foam of Olefin Polymers, Methods of Making Foam and Articles Prepared from Same
Document Number: 20130116356
Inventor(s): Strandburg, Gary M.; VanSumeren, Mark W.; Wu, Shaofu; Stockton, Luther E.
Assignee: Dow Global Technologies LLC
Olefin polymer-based, durable, open-cell foam compositions, structures and articles derived from same; methods for preparation of such foams; and use of the dry durable foams in various applications are disclosed. Further described is use of the foams and structures and articles made of same in absorption, filtration, insulation, cushioning and backing applications, and in particular for odor removal, hygiene and medical applications due to, among other properties, good absorption capabilities, softness and/or flexibility of the foams and their recyclable nature.
High Performance Foam and Composite Foam Structures and Processes for Making Same
Document Number: 20130116354
Inventor(s): Rohatgi, Aashish; Addleman, Raymond S.; Busche, Bradley J.
Assignee: Battelle Memorial Institute
Methods are disclosed for making liquid crystalline polymer (LCP) foams and foam structures of various shapes and forms. LCP foams of the invention have a high compression strength suitable for high performance energy-absorption and energy-impact applications and devices.
Composition for Porous Plastics for Intake Housings
Document Number: 20130116353
Inventor(s): Jang, Young Hak; Jun, Je Hui; Chang, Hee-Sok
Assignee: Kopla Co., Ltd.
Disclosed is a porous plastic resin composition including a polypropylene-based resin, a polyamide-based resin, or an alloy resin made by alloying the two resins to each other with a compatibilizer, reinforced with an inorganic filler or a short glass fiber, and further including a porous inorganic filler and a special inorganic low blowing agent. When the disclosed porous plastic resin composition is used to make an intake housing part, it reduces the weight and cost of an automobile intake housing part.
Mat of Polymer Fibers Containing a Dihydrazide and Use Thereof
Document Number: 20130115447
Inventor(s): Blanchard, Benjamin; Jaffrennou, Boris; Chuda, Katarzyna
Assignee: Saint-Gobain Adfors
The present invention relates to a mat of polymer fibers capable of trapping formaldehyde which contains at least one dihydrazide. Another subject of the invention is the use of said mat, in particular as a surface covering for thermal and/or sound insulation products, in particular based on mineral wool, polystyrene or on an organic or inorganic foam.
Composites
Document Number: 20130115440
Inventor(s): Hoevel, Bernd; Rousse, Martine M.; Sagnard, Alain M.; Dettloff, Marvin L.; Karunakaran, Radhakrishnan
Assignee: Unavailable
Embodiments include methods of forming a composite. The methods can include providing a foam core, wherein the foam core includes a foam having a softening point of 90.degree. C. to 110.degree. C., covering a portion of the foam core with a prepreg, contacting the prepreg that covers the portion of the foam core with a curable composition, and curing the prepreg and the curable composition to form the composite, wherein the prepreg insulates the foam core during the curing so that the foam maintains a temperature that is below the softening point. Embodiments include a composite obtained by curing the prepreg and the curable composition. Embodiments include B-stageable formulation having a resin component and a hardener component.
Composition, Foam and Article Made Therefrom
Document Number: 20130101826
Inventor(s): Haug, Matthias M.; Kenens, Leander
Assignee: Unavailable
The present invention discloses a composition comprising a) a thermoplastic vulcanizate and b) a thermo-expandable microsphere comprising a polymer shell and a propellant encapsulated in said polymer shell based on the total weight of the composition. The composition is suitable for making foam with balanced load deflection and elasticity, including soft touch, reduced to low deflection, improved relaxation performance and low water absorption, replacing either soft paint or assembled constructions with foam sheets and meeting requirements in soft touch applications.
Method for the Production of a Textile-Reinforced Rigid Foam Supporting Element, and Rigid Foam Supporting Element
Document Number: 20130097954
Inventor(s): Sigmund, Peter; Semlinger, Thomas
Assignee: Construction Research & Technology GmbH
The fabric-reinforced rigid foam supporting element claimed having a total thickness of <10 mm is characterized in that it has been produced completely by machine. As a result of the specific features and the preferred production process, supporting elements which have a low thickness and do not differ in terms of their stiffness and strength from supporting elements having thicknesses above 10 mm are obtained. They are therefore outstandingly suitable as insulation materials in building and construction, in particular for constructions, and also for thermal and and/or acoustic insulation.
High Air Flow Polyurethane Viscoelastic Foam
Document Number: 20130085200
Inventor(s): Aou, Kaoru; Gamboa, Rogelio R.; Obi, Bernard E.; Shafi, Asjad
Assignee: Dow Global Technologies LLC
Polyurethane foams and methods for making polyurethane foams are provided. The method may comprise forming a reaction mixture including a toluene diisocyanate (TDI) component, an isocyanate reactive component comprising one or more propylene oxide rich (PO-rich) polyols, one or more ethylene oxide rich (EO-rich) polyols having a combined number average equivalent weight from 100 to 500 comprising from 10% to 28% by weight of the total isocyanate reactive component, water, and a catalyst component comprising at least one catalyst, and subjecting the reaction mixture to conditions sufficient to result in the reaction mixture to expand and cure to form a viscoelastic polyurethane foam having a resilience of less than 25%, as measured according to ASTM D3574 Test H.
Method for Producing Rigid Foam Synthetic Resin
Document Number: WO2013058341
Inventor(s): Miyagawa, Norihito; Shimizu, Katsuhiko; Sasaki, Takayuki
Assignee: Asahi Glass Co Ltd
Provided is a method for producing a rigid foam synthetic resin, whereby it is possible to produce a lighter rigid foam while achieving good storage stability of a polyol system liquid and suppressing shrinkage deformation. A method for producing a rigid foam synthetic resin by reacting a polyether polyol (P) and a polyisocyanate compound (Y) in the presence of a foaming agent, a flame retardant, a foam stabilizer and a catalyst, wherein the method is characterized in that the polyether polyol (P) contains a polyether polyol (A) which has a random polymer chain of oxyethylene groups and oxypropylene groups, has a hydroxyl group number of 2 to 8, has a hydroxyl group value of 10 to 100 mg KOH/g and has an oxyethylene group content of 20 to 60 mass%, and a polyether polyol (B) which has a hydroxyl group number of 3 to 8 and has a hydroxyl group value of 200 to 700 mg KOH/g.
Emulsion Polymerization Method Using Reactive Emulsifying Agent, Aqueous Polymer Dispersion Obtained by Same, and Polymer Film
Document Number: WO2013051205
Inventor(s): Ogasawara, Asako; Hashimoto, Masayuki
Assignee: Dai Ichi Kogyo Seiyaku Co Ltd
Provided is an emulsion polymerization method wherein emulsion polymerization of a monomer is carried out using a reactive emulsifying agent in an aqueous medium in the presence of a polymerization initiator, said emulsion polymerization method capable of solving problems such as improvement of copolymerization ratio of the reactive emulsifying agent with the monomer, elimination of the foam trouble and further improvement of the water resistance of a coating film. Emulsion polymerization is carried out using: one or more kinds of polymerizable unsaturated monomers (X) which have at least one carbon-carbon double bond in each molecule; one or more kinds of reactive emulsifying agents (Y) which have at least one polymerizable group in each molecule; and one or more kinds of polyfunctional monomers (Z1) which have two or more polymerizable unsaturated groups in each molecule, while having a molecular weight of less than 150 per one functional group, or one or more kinds of hydrophilic monomers (Z2) which have one polymerizable unsaturated group and a hydrophilic group in each molecule, while having an average molecular weight of less than 250. The mass ratio of the total amount of the polyfunctional monomers (Z1) or the hydrophilic monomers (Z2) used therein relative to the total amount of the reactive emulsifying agents (Y) used therein is within the range of Z1/Y = 1/3-1/30 or Z2/Y = 1/1-1/30.
Method for Preparing Flexible Polyurethane Foam with Hydrolysable Silane Compounds
Document Number: WO2013048999
Inventor(s): Kuhlman, Roger L; Witham, Cole A; Poindexter, Michael K; Jones, Raymond M; Combs, Nathan Kyle; Watters, Jeffrey T; Watters, Larry T
Assignee: Dow Global Technologies LLC; Kuhlman, Roger L; Witham, Cole A; Poindexter, Michael K; Jones, Raymond M; Combs, Nathan Kyle; Watters, Jeffrey T; Watters, Larry T
Flexible polyurethane foams are made using certain hydrolysable silane compounds in the foam formulation. The hydrolysable silane compounds contain at least one isocyanate-reactive group and at least one hydrolysable silane group. The presence of the hydrolysable silane compound in the foam formulation leads to improved tensile, tear and elongation properties without an adverse effect on other important foam properties such as resiliency and hysteresis loss.
Polymeric Nanofoam
Document Number: WO2013048761
Inventor(s): Costeux, Stephane; Bunker, Shana P; Jeon, Hyun K; Jog, Prasanna K
Assignee: Dow Global Technologies LLC; Costeux, Stephane; Bunker, Shana P; Jeon, Hyun K; Jog, Prasanna K
A polymeric nanofoam has a continuous polymer phase containing at least one (meth)acrylic-free acrylonitrile-containing copolymer and at least one (meth)acrylic polymer where the concentration of (meth)acrylic polymer is in a range of 5-90 weight-percent of the total continuous polymer phase while the amount of methacrylic copolymer is 50 weight-percent or less of the total continuous polymer phase; the polymeric foam having a porosity of at least 50%, an absence of nano-sized nucleating additives and at least one of the following: (a) a number average cell size of 500 nanometers or less; and (b) an effective nucleation site density of at least 1 x 1014 sites per cubic centimeter of prefoamed material. The total weight of copolymerized acrylonitrile is in a range of 3-28 weight-percent based on total continuous polymer phase weight. At least one (meth)acrylic-free acrylonitrile-containing copolymer has a higher glass transition temperature than all of the (meth)acrylic polymers.
Process for Preparing a Synthetic Foam Having a Controlled Particle Distribution
Document Number: WO2013048253
Inventor(s): Chandrashekhar-Bhat, Bhushan; Tooren, Martin Franke; De Graaf, Robbert Arnold; Ribbels, Romke Stephan, Rudolf
Assignee: Polyganics BV
The invention relates to processes for preparing a synthetic foam having present therein particles with a controlled particle distribution and the use of said foam, as well as to foams as such. Accordingly the invention is directed to a process for preparing a synthetic foam having present therein particles, wherein the distribution of said particles is controlled by the following steps of dissolving at least one synthetic polymer in one or more solvents to form a solution; contacting particles with said solution to form a polymer/particles mixture; and freeze-drying the polymer/particles mixture by: freezing the polymer/particles mixture; and subsequently subliming the one or more solvents to form a synthetic foam comprising said particles.
Viscoelastic Foam
Document Number: WO2013045336
Inventor(s): Corinti, Elisa; Benvenuti, Andrea; Sabadini, Alessio; Masy, Jean-Paul; Casati, Francois M; Dickie, Brian
Assignee: Dow Global Technologies LLC; Corinti, Elisa; Benvenuti, Andrea; Sabadini, Alessio; Masy, Jean-Paul; Casati, Francois M; Dickie, Brian
Embodiments of the invention provide for viscoelastic polyurethane foams. The foams are made from reaction system which includes (a) an isocyanate reactive component, (b) a isocyanate component, (c) one or more blowing agents, (d) a catalyst component, and (e) a silicone based surfactant. The isocyanate reactive component includes at least (i) from 25 to 80% by weight of at least one polyoxyethylene capped polyoxypropylene/polyoxyethylene polyol having a combined number average equivalent weight from 1300 to 1700, a polyoxyethylene percentage of between 75% and 95% by weight of the combined amounts of polyoxypropylene and polyoxyethylene, and a primary OH percentage of between 80 and 95 % of the total number of OH groups of the polyoxyethylene capped polyoxypropylene/polyoxyethylene polyol, and (ii); from 5 to 30% by weight of the isocyanate reactive component of at least one low functionality polyol having a functionality of between 1.5 and 2.5, a combined number average equivalent weight from 500 to 1500 and an OH number of 40 to 70.
Polyurethane Composite System Having High Compressive Strength and Rigidity
Document Number: NZ600956
Inventor(s): Prissok, Frank; Balbo, Block Marco; Felix, Florian
Assignee: BASF SE
Disclosed herein is a polyurethane composite system comprising a rigid polyurethane foam and a coating material composed of a compact polyurethane or a compact polyurea, wherein the rigid polyurethane foam comprises a porous three dimensional reinforcing material which forms a network, where the network encloses at least 50% of the volume of the rigid polyurethane foam, or at least two layers of a porous, at least two-dimensional reinforcing material, wherein the maximum distance between two adjacent layers among one another or between the upper layer and the upper side of the foam or between the lower layer and the underside of the foam differs from the minimum distance between two layers among one another or between the upper layer and the upper side of the foam or between the lower layer and the underside of the foam by a factor of not more than 4. The polyurethane composite system according to claim 1 or 2, wherein the rigid polyurethane foam can be produced by mixing polyisocyanates compounds having groups which are reactive toward isocyanates blowing agent comprising water a catalyst mixture comprising tertiary amines and optionally further additives, to form a reaction mixture, applying the reaction mixture to a reinforcing material and curing the reaction mixture.
Method for Continuously Producing Nanoporous Polymer Foam Materials
Document Number: WO2013075994
Inventor(s): Sommer, Maria-Kristin; Gehr, Alexander; Hingman, Roland; Hahn, Klaus; Merkel, Peter; Schaeffner, Peter; Schall, Herbert; Khazova, Elena
Assignee: BASF SE; Sommer, Maria-Kristin; Gehr, Alexander; Hingman, Roland; Hahn, Klaus; Merkel, Peter; Schaeffner, Peter; Schall, Herbert; Khazova, Elena
The invention relates to a method for continuously producing nanoporous polymer foam materials, involving the following steps: a) producing a polymer melt from thermoplastic polymer and building up pressure in a single-screw extruder with a grooved barrel or in a twin-screw extruder with a downstream-connected gear pump to a pressure in the range of 20 to 200 MPa; b) loading the polymer melt with a blowing agent in a zone down-stream of the pressure build-up, which zone comprises mixing elements, at a temperature and at a pressure at which the blowing agent is in the supercritical state; c) controlling the temperature of the loaded polymer melt using cooling elements to a temperature in the range of 40oC below to 40oC above the glass transition temperature of the unloaded polymer melt, the glass transition temperature being determinable by means of DSC in accordance with DIN-ISO 11357-2 at a heating rate of 20 K/min; d) releasing the pressure of the polymer melt that was loaded in step b) and the temperature of which was controlled in step c) using a nozzle or nozzle plate at a pressure release rate in the range of 15,000 to 2,000,000 MPa/sec. The method also relates to the nanoporous polymer foam materials that can be obtained according to the method and have a cell count in the range of 1,000 to 100,000 cells/mm and a density in the range of 10 to 500 kg/m3.
Method for Producing Nanoporous Polymer Foam Materials
Document Number: WO2013075991
Inventor(s): Khazova, Elena; Hahn, Klaus; Sandler, Jan Kurt Walter; Sommer, Maria-Kristin; Hingman, Roland
Assignee: BASF SE; Khazova, Elena; Hahn, Klaus; Sandler, Jan Kurt Walter; Sommer, Maria-Kristin; Hingman, Roland
The invention relates to a method for producing nanoporous polymer foam materials, having the steps of a) loading a polymer melt, which consists of thermoplastic polymers and a CO2-philic additive that is soluble in polymer, with a blowing agent at a pressure and at a temperature at which the blowing agent is in the supercritical state, b) controlling the temperature of the loaded polymer melt to a temperature that ranges from 40° C below to 40℃ above the unloaded polymer melt glass transition temperature, which can be ascertained by means of DSC at a heating rate of 20 K/min in accordance with DIN-ISO 11357-2, and c) depressurizing the polymer loaded in step a) and temperature-controlled in step b) at a depressurization rate ranging from 15,000 to 2,000,000 MPa/sec. The invention also relates to the nanoporous polymer foam materials which can be obtained according to the method, said foam materials having a cell count ranging from 1,000 to 100,000 cells/mm3 and a density ranging from 10 to 500 kg/m3, and to the use thereof in vacuum insulated panels.
Polyurethane Microcellular Elastomer, the Preparation Process and the Use Thereof
Document Number: WO2013045405
Inventor(s): Zhang, Yuedong John; Xu, Jianfeng; Zhao, Fei
Assignee: Bayer IP GmbH
The present invention provides a polyurethane microcellular elastomer comprising a reaction product obtained by reacting components comprising: (a) one or more isocyanate prepolymer, (b) one or more polyol, and(c) one or more blowing agent. The isocyanate prepolymer (a) is obtained by reacting the components comprising: (a1) one or more isocyanate, and (a2) one or more polymer polyether polyol. At least one of the components of the prepolymer and the component (b) comprises one or more polyester polyol. The present invention also provides the preparation method and use of the polyurethane microcellular elastomer.
Flame-Retardant Polymer Foams with Halogen-Free Flame-Retardant Agents Containing Phosphorous on a Sugar Basis
Document Number: EP2574614
Inventor(s): Bellin, Ingo Dr; Denecke, Hartmut; Fuchs, Sabine Dr; Fleckenstein, Christoph Dr; Deglmann, Peter Dr; Hofmann, Maximilian Dr; Spies, Patrick Dr; Hahn, Klaus Dr; Massonne, Klemens Dr; Janssens, Geert Dr
Assignee: BASF SE
Flame retardant system comprises (a) at least one flame protection component comprising phosphorylated di-, oligo- or poly-saccharide compound with 0.5-40 wt.% of phosphorus content, and (b) at least one flame protection component comprising elemental sulfur or organic sulfur compound with a sulfur content of 5-80 wt.%, and an organic peroxide. Independent claims are included for: (1) a method for flame retardant finishing of foamed or unfoamed polymers, comprising mixing a melt of the polymers or the monomers from which the polymer is produced, with the flame protection system; (2) a polymer composition comprising one or more polymers and the flame protection system; (3) preparing an expandable styrene polymer comprising mixing a blowing agent and the flame protection system and optionally further auxiliary additives by static and/or dynamic blender at a temperature of 150[deg] C into a styrene polymer melt, cooling the styrene polymer melt to a temperature of 120[deg] C, discharging the styrene polymer melt by a nozzle plate with holes, whose diameter of a nozzle exit is 1.5 mm, and granulating the melt directly behind the nozzle plate under water with a pressure of 1-20 bar; and (4) preparing a styrene extrusion foam material comprising (a) heating a polymeric component containing the styrene polymer to form the polymer melt, (b) introducing a blowing agent component into the polymer melt for the formation of a foamable melt, (c) extruding the foamable melt in a low pressure range under foaming to an extrusion froth, and (d) adding the flame protection system and the optionally further auxiliary additives into the steps of (a) and (b).