|| List of recent Polyurethane-related patents
| Multiple-component variable hardness polyurethane system|
A multi-component variable hardness polyurethane system and method of creating a thermosetting composition having a particular hardness. In the preferred embodiment a polyurethane compound can be created having any desired hardness between 10 and 90 shore a, by mixing the same two curative components in different proportions, according to the hardness desired, along with a stoichiometrically determined amount of isocyanate as a hardener..
| Polyfunctional polyglycerine initiated polyether polyols and high resilience polyurethane slabstock therefrom|
A polyglycerine initiated polyether polyol exhibiting a final functionality less than the nominal functionalities of the polyol initiator wherein the initiator is a polyglycerine formed by the polymerization of glycerin having an hew less than about 35 and exhibiting a nominal functionality between 2 and 16 is provided. Also provided is a process for producing a polyfunctional polyurethane by the reaction of a mixture containing a polyol based on polyglycerine initiator wherein between 5 wt % and 100 wt % of the total initiator is polyglycerine having a nominal functionality between 2 and 16, at least one organic isocyanate, an amine and/or a metal salt catalyst, and optionally a blowing agent.
| Use of trialkyl phosphate as a smoke suppressant in polyurethane foam|
Described is a method for using a trialkyl phosphate as a smoke suppressant in a polyurethane foam. The trialkyl phosphate having at least one alkyl group with two carbon atoms is included in the polyurethane foam, which has an absence of halogenated flame retardants..
| Polyurethane resin composition for support pad and polyurethane support pad using the same|
The present invention relates to a polyurethane resin composition for a support pad including a polyurethane resin, a dmf solvent, an anionic surfactant, and polyethylene glycol (peg), and a polyurethane support pad including the polyurethane resin composition for a support pad. According to the present invention, long and large pores may be uniformly formed therein, and thus a support pad having an excellent compression rate and compression recovery rate may be provided..
| Aqueous coating composition comprising polyurethanes and vinyl polymers|
An aqueous coating composition comprising (i) a polyurethane obtained by the reaction of (a) an isocyanate-terminated pre-polymer obtained from the reaction of components comprising at least one polyisocyanate of which at least 50 wt % is at least one aliphatic polyisocyanate; in an nco/oh ratio in the range of from 1.75 to 1.05; and (b) an active-hydrogen chain-extending compound; and (ii) a vinyl polymer having a tg below ambient temperature.. .
| Bioresorbable microparticles|
Polyurethane microparticles are derived from structural units comprising poly(alkylene oxide) moieties, caprolactone moieties and urethane moieties. The microparticles may include an active agent and have a particle size from 0.1 to 100 microns.
| Antimicrobial colloidal silver and gold products and method of making same|
Gelatinous foam, coated paper, fabric, and polymer materials combined with the colloidal silver or gold additive to formulate products with antimicrobial surfaces. Some embodiments of the present invention can include gelatinous materials selected from a group consisting of thermosetting polymer, styrene-ethylene-butadiene-styrene polymer (sebs), thermoplastic elastomer (tpe), and polyurethane (pu) gelatin with and without a raised geometry on an outer surface and in any shape.
| Rig mat sprayed with polyurea systems|
A containment mat generally including matting tiles and a polyuria/polyurethane coating. Matting tiles are preferably formed from composite recycled rubber and are arranged in a first layer and a second layer with overlapping edges forming a shiplap design.
| Sheet feeding member|
A sheet feeding member is provided, which is made of a thermoplastic elastomer composition comprising: a base polymer including a polyurethane thermoplastic elastomer and a polyester thermoplastic elastomer; and at least one ion conductive agent selected from the group consisting of a quaternary ammonium salt and a lithium salt/polyol, wherein the ion conductive agent is present in a proportion of 0.2 to 4 parts by mass based on 100 parts by mass of the base polymer in the thermoplastic elastomer composition.. .
| Multi-layered fuel tubing|
The invention describes a flexible tubular article for transport of volatile hydrocarbons comprising: (a) an inner layer of a polyvinylidene difluoride (pvdf) polymer or a polyvinylidene difluoride copolymer; (b) an intermediate thermoplastic polyurethane (tpu) layer extruded in tubular form over the inner pvdf layer, and (c) a polyvinyl chloride polymer extruded in tubular form over the outside surface of the intermediate layer and being coextensive therewith. The tubular articles of the invention have a maximum permeation rating of 15 g/m2/day under sae j1737 test conditions..
| Refractive body panels (vehicle refractive panels)|
Refractive body panels replace traditional metal or fiberglass panels and consist primarily of dyed and moldable plastic in a prism configuration under clear polycarbonate; a bi-layer unit working in concert to scatter and/or change the direction of light to illuminate the exterior and increase safety and performance; the bi-layer unit works together to reduce the weight of a vehicle; the dyed prism allows for panels in various colors: the panels attach to a vehicle's frame as a direct pre-market or post-market replacement (including polyurethane bumpers) and require minimal modifications to the structural design of foot-powered vehicles, motorcycles, cars, trucks, boats, etc.. .
| Two-component polyurethane compositions that are especially suitable for use as structural adhesives|
The invention relates to two-component polyurethane compositions that are especially suitable for use as structural adhesives. Said compositions are constituted of a polyol component k1 and a polyisocyanate component k2, the polyol component k1 comprising at least one alkoxylated aromatic diol a1 and at least one aliphatic triol a2 and the polyisocyanate component k2 comprising at least one polyisocyanate b1..
| Insulated wall module|
The construction of a wall module of superior insulation properties required for passive buildings, the method of its industrial production for easy to install at erection site as technical design of the load bearing steel truss of the defined height, width and thickness, made of appropriate shaped steel elements, of appropriate dimensions, positioned appropriately to form the structure and fixed in compliance with all relevant requirements of the professional building practice and regulations. Steel elements are mostly c elements, horizontal (1.1) and vertical (1.2) c elements with fastening mechanisms fastened on the outside horizontally (2.1) and vertically (2.2) with internal (1.3) and external (1.4) spacers positioned on their sides of low thermal conductivity, on which internal (6.2) and external (6.3) lining panels are placed of the appropriate thickness defining in such manner the total thickness of the wall.
|Production of polyols using distillers grains and proteins and lignin extracted from distillers grains|
Processes for the production of polyols from sources such as dried distillers grains plus solubles (ddgs) make use of a two-stage reaction scheme. In the first stage, the proteinaceous starting material is reacted with an aminating agent, such as diethanolamine (deoa), to generate amino-amides and amides.
|Microencapsulated curing agent|
A microencapsulated curing agent for use in curing a thermosetting resin is provided. The microencapsulated curing agent includes an organic peroxide curing agent and a polyurethane resin encapsulating the organic peroxide curing agent.
|Microfluidic module and uses thereof|
Described herein are microfluidic modules and methods for making the same, wherein the microfluidic modules include a substrate comprising at least one ether-based, aliphatic polyurethane, and at least one fluidic element disposed therein. The ether-based aliphatic polyurethane can be either the substrate of the microfluidic modules or a coating of another substrate material, such that at least a portion of the ether-based, aliphatic polyurethane is in fluid communication.
|Composite elements composed from thermoplastic polymers and polyurethanes, and process for production thereof|
The invention relates to composite elements comprising a thermoplastic polymer and an adjacent polyurethane bonded thereto, to a process for production thereof and to the use thereof.. .
|Thermal insulating material|
A thermal insulating material that is superior to blown-in polyurethane foam that has vertical insulating properties and lateral thermal conducting properties, and is made of alternating layers of aluminum metal foil and insulating foam that causes the temperature of a cold spot to increase at least 3 degrees f. When compared to an equivalent amount of blown-in polyurethane foam.
|Polyurethanes, articles and coatings prepared therefrom and methods of making the same|
The present invention provides polyurethanes including a reaction product of components including: (a) at least one isocyanate functional prepolymer including a reaction product of: (1) about 1 equivalent of at least one polyisocyanate; and (2) about 0.01 to about 0.5 equivalent of at least one polycarbonate polyol; and (b) about 0.01 to about 1 equivalent of at least one branched polyol having at least 3 hydroxyl groups; compositions, coatings and articles made therefrom and methods of making the same.. .
|Antimicrobial polymer systems using multifunctional organometallic additives for polyurethane hosts|
Described are antimicrobial polymer products made from mixtures of antimicrobial organometallic additives dispersed throughout a polymer host matrix.. .
|Composite material for making articles out of polyurethane doped with polymeric gel and the procedure for making it|
A standard polyurethane doped with a polymeric gel uniformly diffused in the body, where the polyurethane acquires the properties of the gel without any change to its structure in a durable stable manner.. .
Described in this application for patent is a cover for treating the hoof or leg of a hooved animal. The cover includes a hoof shoe and a sock joined at a seam.
|Water-dispersible amphoteric polyurethane, preparation method therefor, and use thereof in reinforcing concrete|
A water-dispersible amphoteric polyurethane and a preparation method therefor. The water-dispersible amphoteric polyurethane is prepared from a polyisocyanate compound, a polyol compound, a dial compound having an anionic group or a potential anionic group, a compound having a tertiary or quaternary amine cationic group at least having two active h functional groups and a polyamine compound having a polyoxyethylene group.
|Accelerated cure of isocyanate terminated prepolymers|
A method for preparing a polyurethane elastomer, the method comprising mixing an isocyanate terminated prepolymer and a nitrogen-containing organic salt to form a prepolymer mixture and reacting the prepolymer in the prepolymer mixture with a methylenedianiline metal salt coordination complex chain extender to form the polyurethane elastome. The nitrogen-containing organic salt is selected from the group consisting of an ammonium salt, an imidazolium salt, a pyridinium salt, a pyrrolidinium salt, a piperidinium salt, and a morpholinium salt..
|Hollow core golf ball having a hardness gradient|
A golf ball including a hollow core formed from a spherical inner core shell layer including a stiff thermoplastic composition. The shell layer has an outer surface, an inner surface, and an inner diameter to define a hollow center.
|Golf ball having a hollow center|
A golf ball includes a thermoset spherical inner core shell layer having an outer surface, an inner surface, and an inner diameter to define a hollow center; a thermoset outer core layer formed about the shell layer; and an inner and outer cover layer formed about the outer core layer. The inner cover includes an ionomeric material and the outer cover layer includes a polyurea or a polyurethane having a hardness less than the inner cover layer.
|Golf ball having a hollow center|
A hollow golf ball includes a spherical inner core shell layer formed from a first thermoplastic composition, the shell layer having an outer surface, an inner surface, and an inner diameter to define a hollow center. An outer core layer is formed about the shell layer and includes a thermoset rubber composition.
|Golf ball having a hollow center|
A golf ball including a spherical inner core shell layer formed from a thermoset rubber composition, the shell layer having an outer surface, an inner surface, and an inner diameter to define a hollow center. A thermoplastic outer core layer is formed about the shell layer.
The present invention relates to a polyurethane foam obtained from a polyurethane raw material containing polyol, isocyanate, a foam stabilizer, a catalyst and a foam-forming gas by a mechanical froth method, wherein the polyol contains a castor oil-based polyol having a viscosity at 25° c. Of 2,000 mpa·s or less, and a polyether-based polyol, the castor oil-based polyol is contained in an amount of from 20 to 80 parts by weight per 100 parts by weight of the polyol, the polyether-based polyol is contained in an amount of from 20 to 80 parts by weight per 100 parts by weight of the polyol, the polyurethane foam has an apparent density of from 100 to 700 kg/m3, and compressive residual strain at 100° c.
|Systems and methods for processing and dispensing filled multi-component materials|
Multi-component materials are substantially homogeneous and fully curable and comprise an elastic filler, an isocyanate curing agent, and a polyol resin ingredient that when combined produce a polymeric matrix, polyurethane and/or polyurea, having the filler dispersed therein. The material has a variation in polyisocyanate weight ratio of up to 350%.
|Door structure for floating flap gate|
To make it possible to raise a door body even if it is damaged by an impact of vehicle traffic or falling objects when it is in a lowered state, and to keep the door body in a raised state even if it is damaged by a water pressure of a tsunami or a high tide when it is in a raised state. A door body 2 of a floating flap gate 1 is disposed at an opening or at an access way.
|Polyurethane foam for concrete applications|
A two-part polyurethane foam for lifting concrete. The two parts are mixed at a 1:1 ratio where the first part is isocyanate (“part a”), and second part (“part b”) is a polyol.
|Image forming method and image forming apparatus|
An image forming method includes discharging an inkjet ink including a water-dispersible colorant, a wetter, a surfactant, a penetrant water-dispersible polyurethane resin having a median diameter of from 0.01 to 0.10 μm water and at least one of a polyethylene wax and a paraffin wax on the surface of the recording medium on which the inkjet ink is discharged.. .
|Corrosion resistant emi shielding assembly for a stuffing tube and a method for making a gasket for use therewith|
An elongated, flexible composite gasket member having a knitted wire mesh rope at least partly impregnated with a soft, tacky, flowable, pre-cured polyurethane gel for use in a stuffing tube assembly. The stuffing tube assembly is used in a deck or bulkhead of a ship.
The present invention relates to polyurethane polymers, a process for their preparation and their use as binders for adhesives, coatings or foams.. .
|Flexible, adherent, and non-polyurethane film wound drape cover|
A system for treating a tissue site includes a reduced-pressure source to apply reduced pressure, a manifold in fluid communication with the pressure source to provide reduced pressure to the tissue site, and a drape for adhering to the tissue site to cover the tissue site and the manifold. The drape includes an adhesive layer for sealing the drape to the tissue site to create a sealed space having the manifold therein, and a non-adhesive layer formed from a portion of the adhesive layer.
|Drug delivery using a sacrificial host|
Implantable drug-doped component, e.g., a cochlear implant, including host material, a host-embedded drug, a sacrificial material integrated with the host. Sacrificial material facilitates release of drug from the component.
|Virbration-damping material and production method therefor|
A highly durable vibration-damping material is provided. The inventive vibration-damping material comprises a thermoplastic polyurethane elastomer as a major component, and carbon black, wherein the carbon black is dispersed essentially only in a soft segment of the thermoplastic polyurethane elastomer..
|Adhesives for bonding polyurethane and vulcanized rubber|
Disclosed is an adhesive for bonding polyurethane and vulcanized rubber, and more specifically to an adhesive for bonding polyurethane and vulcanized rubber, which comprises: a first prepolymer, which is a reaction product of hydroxy-terminated polybutadiene polyol and isocyanate; a second prepolymer, which is a reaction product of polyether polyol, polyester polyol or a combination thereof, and isocyanate; and a radical initiator. The adhesive demonstrates excellent adhesive property even under harsh traveling conditions by using a chemical covalent-bond reaction of a body of a polyurethane tire and a vulcanized rubber tread material..
|Multi-piece solid golf ball|
A multi-piece solid golf ball has a core, at least one intermediate layer and an outer layer. The core is formed of a single layer or of two or more layers.
|Golf ball compositions|
A golf ball is disclosed which includes a central core; one or more mantle layers and an outer cover layer and where one or more of the core and one or more mantle layers is coated with a coating composition which includes one or more of the following components; a polysulfide silane; a waterborne polyurethane resin composition; a waterborne urethane modified acrylic resin composition; or an epoxy resin composition.. .
|Multi-piece solid golf ball|
A multi-piece solid golf ball has a core, at least one intermediate layer and an outer layer. The core is formed of a single layer or of two or more layers.
|Post crosslinkable thermoplastic polyurethane (tpu) compositions used for golf balls|
A golf ball having a core including a center, an outer cover layer and one or more intermediate layers, where at least one or more of the core, outer cover layer or one or more intermediate layers comprises a crosslinked polyurethane that is the reaction product of (i) a hydroxy-functionalized crosslinkable thermoplastic polyurethane have a nco:oh ratio of less than 1, more preferably less than 0.95, and most preferably less than 0.9, and (ii) at least one crosslinking agent.. .
|Siloxane-urethane foul release coatings|
A two-part moisture curable coating compositions capable of forming polyurethane-polysiloxane networks is provided. The coating compositions which are useful in marine antifouling coatings provide a two-part moisture curable composition comprising: (a) a first part comprising at least one multifunctional polyol; (b) a second part comprising: (i) at least one polysiloxane polymer with at least two isocyanate or mercapto functional groups and (ii) at least one isocyanate functional organic compound; and (c) solvent.
|Fiber-and-plastic composite and method for making same|
A fiber-and-plastic composite includes a fiber composite, a plastic part, and a silane coupling agent layer and an adhesive layer formed between the fiber composite and the plastic parts. The silane coupling agent layer directly bonds with the fiber composite.
|Increasing the heat flow of flexible cellular foam through the incorporation of highly thermally conductive solids|
Methods and combinations of mattress support surfaces comprising one or more flexible polyurethane foam layers containing highly thermally-conductive solids, such as diamond or silicon carbide, and said layer combination is capable of transferring heat from a warm surface, such as a person sleeping on a bed, to a cooler region at a faster rate throughout the mattress than the thermal dissipation rate obtained from flexible polyurethane foam without highly thermally-conductive solids.. .
|Two-liquid process for synthesizing polyurethane with high heat-resistance and high abrasion-resistance|
A two-liquid process for synthesizing polyurethane with high heat-resistance and high abrasion-resistance is disclosed, which utilizes a semi-reactive polymer a solution containing hydroxyl groups and a semi-reactive polymer b solution containing poly-isocyanate groups. The polymer a and b solution are mixed for performing a second reaction and then coated on a substrate by a coating machine, and the coating layer is cured to form a polyurethane film.
|Silk covered prosthesis|
Disclosed herein are polyurethane polymer matrices with a porosity of from about 20 microns to about 90 microns that are useful in promoting closure and protection of incision sites; supporting the lower pole position of breast implants; and providing a partial or complete covering of breast implants to provide a beneficial interface with host tissue and to reduce the potential for malpositioning or capsular contracture. The disclosed matrices can be seeded with mammalian cells..
|Polyethers, methods of making same, and uses thereof|
Isotactic polyethers, methods of making polyethers, and uses of polyethers. The polyethers have a chain transfer group formed from a chain transfer agent.
|Powdered polyurethane urea resin composition for slush molding and manufacturing process therefor|
Provided are: a powdered material for slush molding; and a manufacturing process therefor. The powdered material is less odorous, exhibits excellent powder fluidity, and does not suffer from troubles resulting from the sliding-down or agglomeration of a pigment even when the resin particles have been pigmented on the surfaces thereof.
|Method for preparing flexible polyurethane foam with hydrolysable silane compounds|
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.
|Sugar-based polyurethanes, methods for their preparation, and methods of use thereof|
Polyurethane foams which are highly flame resistant are described, as well as the production of such polyurethane foams by the reaction between a natural polyol, such as sucrose or a blend of mono- or disaccharides in place of the standard hydrocarbon-based polyol component, a polyisocyanate and water in the presence of a suitable polyurethane forming catalyst and a non-halogenated flame retardant, and optionally one or more components such as surfactants and/or emulsifiers. The resultant polyurethane foam has a bio-based solid content ranging from about 17% to 30%, may be formulated in a variety of foam densities for a variety of applications, and exhibits a high degree of fire and burn resistance, as exhibited by the flame spread index, flash over resistance determination, and the smoke spread values..
|Low-monomer polyurethane foams|
Cross-linkable foamable composition with low content of monomeric isocyanates, containing a pre-polymer of polyester diols and/or polyether dials reacted i) with asymmetric aromatic diisocyanates to form a reaction product with oh and nco groups, ii) subsequent addition of and reaction with symmetric aromatic diisocyanate in a quantity at least equivalent to the available oh-groups, 0.1 to 30 wt % additives, at least one propellant, wherein the polyols have a molar mass (mn) of less than 5000 g/mol, and the reaction product has a content of less than 0.1 wt % monomeric asymmetric isocyanate and less than 2 wt % monomeric symmetric isocyanate.. .
|Rigid polyurethane foam|
A rigid polyurethane foam includes the reaction product of an isocyanate and an isocyanate reactive component in the presence of a blowing agent. The isocyanate reactive component includes an aromatic polyester polyol, a rigid polyol, and an aliphatic polyester polyol.
|Use of low triphenylphosphate, high phosphorous content isopropyl phenyl phosphates as flame retardants in polyurethane or polyisocyanurate foams|
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.. .
|Roll-up thermal barrier|
A thermal barrier configured to be rolled and unrolled while providing a thermal value of greater than about r=3. The thermal barrier comprises multiple layers including a first layer comprising a fiber mesh core and material selected from the group comprising: polyurethane, rubber, and polyvinylchloride, a second layer bonded to the first layer, the second layer comprising material selected from the group comprising: polyolefin foam, polyurethane foam and rubber based foam, and a third layer bonded to the second layer, the third layer comprising a thin film or fabric material selected from the group comprising: polyester, polyolefin, polyurethane and nylon, wherein the composite material maintains a consistent linear dimension within about 1% of total length in a coiled configuration compared with a linear configuration..