Abstract: The present invention relates to the technical field of polymer composite materials, and specifically, to a shear thickening composite material, a preparation method therefor, and use thereof. According to the present invention, a solid composite material with shear thickening performance is prepared by limiting the types and contents of all components in raw materials. This composite material is kept soft and has a proper elastic shape under a normal state, and can be rapidly subjected to strain enhancement through local density increase when being rapidly and violently impacted or extruded, so that a significant shear thickening phenomenon is presented, namely this material is a hard solid when being impacted by an external force, then this material has an increasing strength with the increase of the external force, and this material restores to an original relaxed, soft, and elastic state when the external force is removed.

Abstract: Provided are a two-component curable composition, for manufacture of a thermoplastic polyurethane resin, that exhibits low mixing viscosity and high glass transition temperature after curing, a thermoplastic polyurethane resin that is a cured product thereof, and a fiber-reinforced resin including the thermoplastic polyurethane resin. The two-component curable composition for manufacture of a thermoplastic polyurethane resin is a two-component curable composition including a polyol component including a diol (A) and a polyisocyanate component including a diisocyanate (B). The diol (A) includes a diol (A-1) having an aromatic ring and having a molecular weight of 200 to 700 and a diol (A-2) having no aromatic ring and having a molecular weight of 500 or less. The ratio ((A-1)/((A-1)+(A-2))) of the mass of the diol (A-1) to the total mass of the diol (A-1) and the diol (A-2) is (10/100) to (75/100).

Abstract: A method of making a roadbed, including paving an area with foamed glass bodies to define a bed and covering the bed with a layer of cementitious material to define a composite bed. The composite bed is at least 85 percent foamed glass bodies. The composite bed has a cementitious surface.

Abstract: A polyurethane foam may include a base polyol component, a phosphorous polyol component, an expandable graphite, and melamine. The polyurethane foam may have a VO rating based on a UL94 flame retardancy test performed at a polyurethane foam thickness of 3.5 mm and a polyurethane foam density of 380 kg/m3.

Abstract: A patient turning sheet includes a flexible rectangular bottom sheet that has a surface area sized to support the majority of the body of a person lying on the patient turning sheet. A flexible rectangular top sheet is sewn to the bottom sheet and has a surface area less than the surface area of the bottom sheet. The top sheet is sewn to the bottom sheet, offset toward the head end of the turning sheet to be positioned at the area of maximum contact and load of the patient on the turning sheet. A foam pad is disposed between the bottom sheet and the top sheet that is relatively less flexible than the bottom or top sheets.

Abstract: A thermoset foam comprises from 0.2 to 4.0 wt. % of at least one aliphatic brominated polyether polyol, from 2.0 to 7.0 wt. % of at least one aromatic brominated polyester polyol, and from 2.0 to 7.5 wt. % of at least one flame retardant comprising organo-phosphate, organo-phosphonate, or organo-phosphite, wherein the ratio of the amount of aliphatic bromine expressed as a percentage of total bromine to the amount of aromatic bromine expressed as a percentage of total bromine is from 10:90 to 50:50.

Abstract: The present invention relates to specific translucent, preferably lightfast, polyurethane foams which have a high light transmission and are therefore suitable e.g. for producing translucent polyurethane foams or multilayer composite elements, for example for producing structural components, more particularly as roof elements such as strip lights and light domes, as wall elements such as a panel, in vehicles, in lamps, as furniture, as partitions and in sanitary facilities.

Abstract: The present invention relates to a flexible, pressure-sensitively adhesive sheetlike structure for improved structural bonding, more particularly for clearance compensation, of diverse materials, such as metal, wood, glass and/or plastic, for example.

Abstract: Provided is a polyurethane foam having excellent heat resistance and the like. The polyurethane foam is obtained from a material that contains a polyol and a polyisocyanate, in which the polyol contains a polyester polyol, the polyisocyanate contains a diphenylmethane diisocyanate-based isocyanate, it is preferable that the polyester polyol has one or more side chains composed of an alkyl group, and the polyurethane foam may be used as a soundproof material for vehicles.

Abstract: The present disclosure relates to compositions comprising Z-1,1,1,4,4,4-hexafluoro-2-butene and additional compounds that may be useful as refrigerants, heat transfer compositions, aerosol propellants, foaming agents, blowing agents, solvents, cleaning agents, carrier fluids, displacement drying agents, buffing abrasion agents, polymerization media, expansion agents for polyolefins and polyurethane, gaseous dielectrics, power cycle working fluids, extinguishing agents, and fire suppression agents in liquid or vapor form.

Abstract: The invention relates to a process for the preparation of a triaryl phosphate ester composition comprising a. reacting a phosphorous oxyhalide with a (C1-C15-alkyl)phenol to obtain a first product; b. reacting the first product with phenol to obtain a triaryl phosphate ester composition; wherein in step a., for every mol of phosphorous oxyhalide 1.3 to 1.6 mols of (C1-C15-alkyl)phenol are used. The invention also relates to a triaryl phosphate ester composition obtainable according to the process of the invention.

Abstract: The polyisocyanate cured product according to the present invention has an isocyanurate structure, which comprises at least one diisocyanate selected from the group consisting of an aliphatic diisocyanate and an alicyclic diisocyanate, as a unit structure, the polyisocyanate cured product having an allophanate group, and the molar ratio of the isocyanurate group to the allophanate group (isocyanurate group/allophanate group) is 99/1 to 20/80.

Abstract: A device for insertion into an open end of a length of pipe to prevent mosquitoes from entering the pipe is provided. The device includes a piece of flexible foam material having a front face, a rear face and one or more edges joining the front face to the rear face. A plurality of indentions, preferably three, are formed in the front face of the piece of flexible foam material to allow a user to quickly and easily grip the device to insert or remove it from the pipe. The piece of flexible foam material preferably comprises open cell foam sized to permit water to flow through while preventing insects from passing through. The device may be used in connection with a system to prevent mosquitoes from entering into a rain gutter drain extension or a rain barrel system.

Abstract: The invention relates to a method for the production of a rigid PIR foam composite containing man-made vitreous fibres (MMVF), the method comprising: providing MMVF, wherein at least 50% of the fibres by weight have a length of less than 250 ?m; providing a polyol component; mixing the MMVF and polyol component in a ratio such that the amount of MMVF is at least 10% by weight based on total weight of polyol component; emulsifying pentane with the mixture of polyol component and MMVF; inducing foam formation by addition of a further component which comprises isocyanate.

Abstract: The present invention relates to a process for producing flame-retarded polyurethane foams, in particular flexible polyurethane foams, using halogen-free flame retardants, wherein the resulting flame-retarded polyurethane foams exhibit low emission values coupled with good mechanical properties. The present invention further relates to halogen-free flame retardants.

Abstract: A one component spray polyurethane foam formulation containing a polymeric isocyanate with nominal functionality of 2.5 to 3.5, a polyol component that is at least 85 percent aliphatic and having a mole ratio of polyol with three or more functionality to total polyol of 0.2 to 0.75, 15-30 wt % of a plasticizer, 1.5-3.5 wt % phosphorous, 5.5 to 11.5 halogen and 1.5 to 5 millimoles of blowing agent per gram of formulation and that is free of expandable graphite achieves a B2 rating in DIN 4102 testing.

Abstract: A process for producing a polyurethane-coated conduit element includes mixing a) a mixture of aromatic and aliphatic polyisocyanate with, b) at least one polymeric compound having at least two hydrogen atoms which are reactive toward isocyanate, c) at least one chain extender, d) a catalyst, and e) optionally at least one other auxiliary, additive, or both, to form a reaction mixture; applying the reaction mixture to a conduit element; and allowing the reaction mixture to react to form a polyurethane layer. The polyurethane-coating conduit element is suitable for maritime applications in the oil and gas industry, which polyurethane has improved hydrolysis stability at high temperatures and nevertheless satisfies the high mechanical demands in the oil and gas industry.

Abstract: Disclosed herein is a thermally curable mixture, comprising at least one phosphonic diester (A), at least one diphosphonic diester (A), or at least one phosphonic diester and at least one diphosphonic diester (A); and at least one compound (B) which can be reacted by transesterification, transamidation, self-condensation of N-hydroxyalkylamino groups, self-condensation of N-alkoxyalkylamino groups, transacctalization of N-alkoxyalkylamino groups, acctalization of N-hydroxyalkylamino groups, or a combination thereof. Also disclosed is a process for making the thermally curable mixture, and a cured material comprising the product of thermally curing the mixture.

Abstract: An in-situ foaming system for forming a flame-retardant polyurethane foam in situ comprising a first liquid containing a polyisocyanate (A), a second liquid containing a polyol (B), a trimerization catalyst (C), a foaming agent (D), a foam stabilizer (E), and additives (F) comprising red phosphorus and at least one member selected from the group consisting of phosphoric acid esters, phosphate-containing flame retardants, bromine-containing flame retardants, boron-containing flame retardants, antimony-containing flame retardants, and metal hydroxides.

Abstract: The present invention provides dialkyl phosphorus-containing compounds, namely reactive mono-hydroxyl-functional dialkyl phosphinates, serving as highly efficient reactive flame retardants in flexible polyurethane foams. The invention further provides fire-retarded polyurethane compositions comprising said the reaction product of the mono-hydroxyl-functional dialkyl phosphinates with polyol and isocyanate foam forming components.

Abstract: The present invention relates to ash recycling and use in thermal insulation (decrease of thermal transmission from inside buildings into outside, and vice versa). Ash insulation panels are made of the following basic materials: ash and Polystyrene (PS) and/or waste plastics made of Polystyrene and chemical bond. These panels have many advantages beside thermal insulation such as lightweight and low water absorption rate. They are produced by mixing the mentioned basic materials, casting the mixture into molds of variable size and shape depending on the desired product, pressing the mold, and treating the final product thermally.

Abstract: Flame retardant compositions for polyurethanes may include hydroxyl-containing poly(alkylene phosphates) that have 5 mol % or less of phosphorus from phosphorus-containing compounds having a 31P NMR resonance signal at a chemical shift in the range from 13 ppm to 18 ppm relative to 85 wt % phosphoric acid.

Abstract: The present invention relates to flame retardant thermoplastic polyurethane (TPU) compositions, and more particularly to flame retardant thermoplastic polyurethane compositions comprising non-halogen flame retardants. The TPU compositions are useful for applications where high flame performance, and optionally low smoke properties, as well as high tensile strength are desirable, such as wire and cable applications, film applications, molding applications, and the like. This invention also relates to processes to produce the non-halogen flame retardant TPU compositions and processes to produce wire and cable jacketing from such compositions.

Abstract: A method for continuously preparing solvent-free open-cell and closed-cell polyimide foams, firstly, one or a few of dianhydrides dissolve in or suspend in the polyhydric alcohol and form the precursor A. All kinds of additives dissolve in the polyhydric alcohol and form the precursor B. The aromatic isocyanates with different structure mix well and form the precursor C. Finally the three precursors are mixed foaming by one-step, after solidify, the polyimide foams are obtained with advantage performance. The method does not utilize the volatile solvent that does not participate in the reaction, therefore not existing the process of removing the solvent, it can continuously produce with the double-side heat conveyor belt. CO2, the main gas producing in the reaction, causes the system to foam, thus there is no cost on the solvent recovery and it reduces the environment contamination.

Abstract: The present invention provides trimerization catalyst compositions and methods to produce a polyisocyanurate/polyurethane foam using such trimerization catalyst compositions. The catalyst composition is the contact product of at least one ?,?-unsaturated carboxylate salt and at least one second carboxylate salt.

Abstract: A method for producing a connecting part (28) uses an injection foam molding process. In a first step, a fastening part with adhesive and/or hooking elements (18), forming a component of a contact fastener, is produced and introduced into an injection mold (2) as an insert part (16). A support part (26) is formed in the mold in a second step using a foamed synthetic material (22). The support part is connected to the insert part to form the connecting part (28).

Abstract: According to one embodiment, a polyisocyanurate foam board is described. The foam board includes a polyisocyanurate core that is produced from: an isocyanate, a polyol, and a phosphorous containing non-halogenated fire retardant. The foam board also includes a facer material that is applied to at least one surface of the polyisocyanurate core. The polyisocyanurate core has an isocyanate index greater than about 200 and is able to forms a sufficiently stable char when exposed to flame conditions to enable the polyisocyanurate core to pass the ASTM E-84 test. The foam board has an initial R-value of at least 6.40 and exhibits an ASTM E1354-11b test performance that is equivalent with or better than a similar foam board having a halogenated fire retardant, such as tris(2-chloroisopropyl)phosphate (TCPP).

Abstract: An organophosphorus compound useful in a phosphorus containing flame retardant and a flame retardant polyurethane foam, where the organophosphorus compound is shown in Formula (I) where Y is selected from the group consisting of an —OH group, an —NH2 group, an —NHR3 group, and an —SH group, where R3 is a monovalent hydrocarbyl group having 1 to 10 carbon atoms; R is a divalent hydrocarbyl group; X is a heteroatom group; and R1 and R2 are each independently a substituted or unsubstituted hydrocarbyl group, wherein R1 and R2 can be optionally joined to form a ring.

Abstract: Polymerizable liquid compositions containing three components (A), (B) and (C) are provided, wherein component (A) contains at least one cycloaliphatic diisocyanate monomer wherein the weight percentage of free isocyanate groups in component (A) ranges from about 20% to about 50% by weight with respect to the total weight of component (A); component (B) contains at least one polythiol having a molecular weight ranging from 50 to 1,200 g/moles and a functionality ranging from 2 to 5, the components (A) and (B) being present in a weight ratio varying from 0.5:1 to 2:1; and component (C) being a defined polymerization catalyst. A process for the production of organic glass using the polymerizable liquid composition is further provided.

Abstract: An embodiment of a closed-cell polymeric rigid foam may be made using a one-shot method and a reaction system that includes a hydrofluoroalkene physical blowing agent and a polyol mixture having an aminic polyol. The hydrofluoroalkene blowing agent has 3 to 5 carbon atoms and a boiling point between 10° C. and 40° C. at 1 atmosphere pressure. Embodiments of rigid foams may have high closed cell content and are particularly well suited for thermal insulation.

Abstract: Prepare a thermoset polyurethane foam containing a brominated polymer with aliphatic bromine as a flame retardant.

Abstract: An adhesive composition which lacks functional groups containing reactive hydrogen moieties and contains no post-polymerization chemical crosslinker finds use in transdermal drug delivery systems. The invention enables the administration of drugs containing a reactive functional group, which drugs have heretofore not been able to be administered by the transdermal route using conventional acrylic adhesives.

Abstract: A method of encapsulating and safely transporting hazardous waste is disclosed. The method comprises the steps of: first, providing a waste object at a first location; second, covering the waste object with a closed cell polymer foam; third, allowing a sufficient time for the closed cell polymer foam to cure; and fourth, transporting the covered waste object to a second location. In another embodiment the method comprises the steps of: first, providing a waste object at a first location; second, treating the waste object to decontaminate or neutralize the hazardous waste; third, covering the waste object with a closed cell polymer foam; fourth, allowing a sufficient time for the closed cell polymer foam to cure; and fifth, transporting the covered waste object to a second location.

Abstract: The present invention relates to phosphoric ester preparations with reduced hygroscopicity, to use of these as flame retardants and hydraulic fluids, and to polyurethanes which comprise the phosphoric ester preparations of the invention.

Abstract: The present invention relates to polyurethane rigid foams formulations. More particularly, the present invention relates to polyurethane rigid foams formulations, prepared from aromatic polyester polyols, which show improved compressive strength. The formulations include an isocyanate reacting mixture, at least one polymeric diphenylmethane diisocyanate, having a functionality of at least 2.7, and at least one blowing agent; such that the stoichiometric index of the polyisocyanate to the isocyanate reacting mixture is 1.0-1.8.

Abstract: There is provided herein a method of making hydroxymethylphosphonate comprising reacting paraformaldehyde, at least one dialkyl phosphite and at least one trialkyl phosphite, in the presence of at least one amine catalyst.

Abstract: A liquid flame retardant composition which comprises one or more flame retarding agents, which are the epoxides obtainable by reacting tetrabromobisphenol A with epichlorohydrin and their end-capped derivatives represented by Formula (1) is provided. The liquid composition is especially useful in the preparation of rigid polyurethane foams.

Abstract: A method for improving the thermal stability of polyurethane-modified polyisocyanurate (PU-PIR) foams is provided. Moreover, a process for producing the PU-PIR foams exhibiting improved thermal stability is provided. The foams have incorporated therein a high molecular weight ammonium polyphosphate (APP). APP is employed as a partial or complete substitute for flame retardants conventionally employed in PU-PIR foams. The foams of the invention exhibit excellent and improved thermal stability characteristics as compared to foams to which no APP has been added.

Abstract: A method of making hydroxymethylphosphonate comprising heating paraformaldehyde in a solvent to a desired reaction temperature, wherein the solvent is present in at least an amount necessary to solvate or suspend the paraformaldehyde; adding at least one alkyl phosphite to the heated paraformaldehyde, to provide hydroxymethylphosphonate, the alkyl phosphite being added to the heated paraformaldehyde at a rate which will avoid or inhibit the production of a significant exotherm and resulting high/significant level of acid by-product(s), there being present in the reaction medium at least one hindered amine catalyst in which the nitrogen in the amine is directly bound to a secondary and/or tertiary carbon of an organic group; and, optionally, following the completion of the addition, heating the reaction mixture to an elevated temperature.

Abstract: A one component precursor for the polymeric foam (OCF) composition comprising a very low amount of free monomeric MDI. The present OCF composition may be obtained without any free MDI removal step, and without the addition of extra solvent to compensate for the substantially lower amount of free MDI, compared with traditional compositions. The present composition comprises a source of free NCO of functionality of at least 2.6, a tri- or higher functional alcohol, all polyols being characterized by a rather low molecular weight and at least a specific mono-functional alcohol as well as an isocyanate end-capped prepolymer of toluene diisocyanate (=end capped TDI). The OCF composition is suitable for being dispensed from a pressurized can with a blowing agent.

Abstract: There is described an isocyanate-based polymer foam having improved anti-yellowing properties. The foam produced from a formulation comprising an isocyanate, a blowing agent, a first active hydrogen-containing compound and a second active hydrogen-containing compound different than the first active hydrogen-containing compound. The second active hydrogen-containing compound comprises an active hydrogen-containing phosphite compound. A process for producing such a foam is also described.

Abstract: The present invention relates to the use of low triphenyl phosphate, high phosphorous content aryl phosphates with high ortho alkylation as flame retardants in polyurethane or polyisocyanurate foams or polyurethane or polyisocyanurate foam formulations.

Abstract: The use of at least one diphosphine of formula (I), wherein X is S or O; n is 0 or 1; R1, R2, R3, R4 are independently C1-C10-alkyl, C1-C10-hydroxyalkyl, C1-C10-alkoxy, C1-C10-hydroxyalkoxy, C3-C10-cycloalkyl, C3-C10-cycloalkoxy, C6-C10-aryl, C6-C10-aryloxy, C6-C10-aryl-C1-C4-alkyl, C6-C10-aryl-C1-C4-alkoxy, C6-C10-hydroxy-aryl, C6-C10-hydroxy-aryloxy, C1-C10-thioalkyl, C6-C10-thioaryl or C1-C4-thioalkyl-C6-C10-aryl, NR5R6, COR2, COOR5 or CONR5R6; R5, R6 are H, C1-C10-alkyl, C3-C10-cycloalkyl, C6-C10-aryl or C6-C10-aryl-C1-C4-alkyl; as a flame retardant in a polyurethane material is provided.

Abstract: A catalyst composition including a solution of at least one member selected from the group consisting of an alkali metal carboxylate and an alkaline earth metal carboxylate in a solvent which is nonreactive with the isocyanate groups of a polyisocyanate.

Abstract: Polyurethane foams having a NFPA 101 Class B rating (ASTM E-84) which pass the FM 4450 calorimeter Test are produced by reacting: (a) an organic polyisocyanate, (b) at least one polyether polyol or polyester polyol with a nominal hydroxyl functionality of at least 2.0, (c) a blowing agent composition and (d) at least one halogen-free flame retardant. The blowing agent composition includes: (1) no more than 10% 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: A process for producing rigid polyurethane foams or rigid polyisocyanurate foams is provided. The process contains the reaction of polyisocyanate, fatty acid modified polyetherpolyol, polyetherpolyol, optionally flame retardant, blowing agent, catalyst, and optionally further auxiliary and/or admixture agent, wherein the polyetherpolyol is obtained by a process containing reacting orthotolylenediamine and optionally further co-starters with alkylene oxide containing ethylene oxide wherein the ethylene oxide content is more than 20 wt %, and then reacting the reaction product with alkylene oxide containing propylene oxide wherein the 1,2-propylene oxide content is more than 20 wt %, in the presence of a catalyst.

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: A flexible polyurethane foam with improved resistance to discoloration from oxidation is disclosed. Such discoloration may be due to exposure to oxides of nitrogen, for example, the oxides commonly found in burnt gas fumes. The foam may be used for applications such as intimate apparel and other consumer products that need extended term color stability. The foam composition includes high levels of reactive and non-reactive phosphite esters that improve color stability without disadvantage to the foam's physical and aesthetic properties during and after production.

Abstract: The invention relates to a foamable mixture which contains at least one alkoxysilane-terminated prepolymer and which can be produced of a) at least one alkoxysilane that was functionalized with isocyanate groups and that can be produced of at least one hydroxyfunctional and/or aminofunctional alkoxysilane and at least one diisocyanate or polyisocyanate, and b) at least one compound that contains at least one OH group, and at least one blowing agent, characterized in that the foamable mixture has a dynamic viscosity of 100 to 25,000 mPas, preferably 500 to 10,000 mPas, at 23° C. The invention further relates to a method for producing said foamable mixture. The foamable mixtures according to the invention are suitable for sealing, insulating and mounting joints, roof surfaces, windows and doors or for filling hollow spaces.

Abstract: The invention relates to a formulation suitable to provide polyurethane, the formulation comprising (a) at least one polyurethane forming mixture; (b) at least one phosphate component selected from the group consisting of ammonium polyphosphate (APP) and melamine phosphates, and mixtures thereof, and; (c) at least one metal or metalloid oxide particle having a maximum particle size of less than 300 ?m, wherein the metal or metalloid is selected from the group consisting of Mg, and Al, and wherein said at least one phosphate component is present in an amount ranging from 20 to 45% by weight based on 100% by weight of the formulation.