|
Match
|
Document |
Document Title |
|
|
7619014 |
Rigid polyurethane foams for insulation and process for producing same
A rigid polyurethane foam having lose density without an increased k-factor can be produced by adding small amounts of butyl alcohol to a polyurethane composition containing an isocyanate, at least...
|
|
|
H002233 |
Catalysts which stabilize hydrofluorocarbon blowing agents in polyurethane foam compositions
A composition comprising a polyisocyanate, a polyol, a hydrofluorocarbon blowing agent, optionally water, a surfactant, and at least one catalyst for the reaction of the polyisocyanate with the...
|
|
|
7612120 |
Insulation boards and methods for their manufacture
A method for producing polyisocyanurate insulation foams, the method comprising contacting an A-side stream of reactants that includes an isocyanate with a B-side stream of reactants that include a...
|
|
|
7601762 |
Polyvinylchloride/polyurethane hybrid foams with improved burn properties and reduced after-glow
The present invention provides a rigid polyurethane foam comprising the reaction product, at an isocyanate index of from about 90 to about 400, of a polyisocyanate and a polyol component...
|
|
|
7601761 |
Rigid polyurethane foams with increased heat performance
The present invention provides a rigid polyurethane foam made from the reaction product, at an isocyanate index of from about 90 to about 400, of a polyisocyanate, and a polyol component containing...
|
|
|
7473716 |
Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and hydrocarbons
Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and at least one hydrocarbon selected from the group n-pentane, iso-pentane, cyclopentane, n-hexane and iso-hexane are provided. The...
|
|
|
7449438 |
Foam premixes having improved processability
A method for improving the processability of foam premixes containing HFC and/or pentane-based blowing agents in polyols is provided, which method comprises adding trans-1,2-dichloroethylene to...
|
|
|
7435762 |
Fire resistant foam and foam products, method and dispersions for making same
A synthetic polymer foam is produced which incorporates fine particles of expandable graphite which surprisingly impart excellent fire resistant properties to the foam, particularly to foam made...
|
|
|
7432312 |
Polyurethane foam having deodorization property or antibacterial effect
The purpose of the present invention is to provide a polyurethane foam that is excellent in adsorption property of odor and humidity and antibacterial property. Further, the purpose of the present...
|
|
|
7388036 |
Flexible polyurethane foam, process for its production, and seat for automobile employing it
A novel flexible polyurethane foam having good vibration characteristics and being excellent in occupant posture stability, is provided. A flexible polyurethane foam obtainable by reacting a high...
|
|
|
7388037 |
Low-resilience flexible polyurethane foam and process for producing the same
A flexible polyurethane foam whereby exceedingly low resilience can be obtained without using a plasticizer and the hardness change due to a temperature change is little; and a process for its...
|
|
|
7338983 |
Low density polyurethane foam, method of producing, and articles comprising the same
A method for producing a cured, low-density polyurethane foam, the method comprises frothing a reactive polyurethane-forming composition comprising an isocyanate-containing component, an active...
|
|
|
7326738 |
Composition and process for forming a flexible polyurethane foam sealing device
The subject invention provides a composition and a process for forming a flexible polyurethane foam sealing device having improved compression set properties at increased temperatures. The sealing...
|
|
|
7309459 |
Azeotropic compositions of cyclopentane
This invention relates to compositions of cyclopentane, and a compound selected from the group consisting of hydrofluorocarbons, hydrofluoroethers, or fluorinated sulfur compounds. Specifically...
|
|
|
7300961 |
Polyol compositions useful for preparing dimensionally stable, low density water-blown rigid foams and the processes related thereto
The present invention relates to polyol compositions which can be used to produce dimensionally stable, low density water-blown rigid foams which have acceptable compressive strengths and...
|
|
|
7294654 |
Method of making thermally regenerable salt sorbent resins
A heterogenous hybrid thermally regenerable salt sorbent resin is formed from a hybrid precursor resin. The hybrid precursor resin is formed by intimately mixing a dry, solid crosslinked...
|
|
|
7288211 |
Hydrofluorocarbon blown foam and method for preparation thereof
The invention relates to the addition of α-methyl styrene, isobutanol and/or isopropanol to reduce vapor pressure, improve k-factor, enhance the solubility of the blowing agent in the premix...
|
|
|
7285577 |
Method for producing rigid polyurethane foam
A method to produce a rigid polyurethane foam includes emulsifying a nucleating agent by mixing the nucleating agent with a polyol and a foam stabilizer, preparing a polyol mixture by mixing water,...
|
|
|
7262227 |
Process for producing synthetic resin foam, blowing agent and premix
The present invention relates to a process for producing a synthetic resin foam which comprises reacting at least one polyol with at least one polyisocyanate compound in the presence of an organic...
|
|
|
7230036 |
Foam insulation made with expandable microspheres and methods
A polyurethane and/or polyisocyanurate foam is made using expandable microspheres which encapsulate a primary blowing agent. By expanding during the foam making process, the microspheres function...
|
|
|
7223801 |
Joint fill composition and method
A composition and method for protecting pipeline joints is disclosed. A mold covers the exposed pipeline joint. A reaction composition including a polyol, an isocyanate, and an ester, preferably...
|
|
|
7214294 |
Azeotrope-like compositions of pentafluoropropane and water
This invention provides azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and water that are environmentally desirable for use as refrigerants, aerosol propellants, metered dose inhalers,...
|
|
|
7195726 |
Internal mold release for low density reaction injection molded polyurethane foam
A method for preparing a molded polyurethane foam article using an internal mold release composition is provided. More specifically, a method using an IMR agent and an IMR-enhancer compound to...
|
|
|
7183331 |
Method for producing a rigid polyurethane foam
A method for producing a rigid polyurethane foam, which comprises reacting a polyol with a polyisocyanate in the presence of an amine catalyst and a blowing agent, wherein as the amine catalyst, at...
|
|
|
7183330 |
Silicone surfactants for rigid polyurethane foam made with hydrocarbon blowing agents
A method for making a rigid polyurethane foam by reacting a polyisocyanate and a polyol in the presence of a urethane catalyst, a blowing agent and a silicone surfactant characterized by employing...
|
|
|
7179845 |
Elastomeric latex foams
The invention relates generally to a stable flexible latex foam. The latex foam will contain at least one polymer having a plurality of hard domains and a plurality of soft domains, a micelle...
|
|
|
7160930 |
Water blown polyurethane spray foam system
A composition and a method for producing primarily water blown polyurethane foams is provided. The composition uses isocyanate ratios greater than conventional foam system to provide a water blown...
|
|
|
7144926 |
Blowing agent blends
Foam blowing agent blends containing trans-1,2-dichloroethylene and one or more hydrofluorocarbons are provided, as are foam compositions containing such blends. The resulting foams exhibit...
|
|
|
7141613 |
Flame resistant rigid foams and formulations for the production thereof
The invention relates to flame resistant rigid foams and formulations useful for the production thereof. The polyol formulation must include at least one substance which is inert with respect to...
|
|
|
7105578 |
Blowing agent blends
Foam blowing agent blends of trans-1,2-dichloroethylene and one or more pentanes are provided, as are polyol premixes and foam compositions containing such blends. The resulting foams exhibit...
|
|
|
7098254 |
Foam premixes having improved processability
A method for improving the processability of foam premixes containing HFC and/or pentane-based blowing agents in polyols is provided, which method comprises adding trans-1,2-dichloroethylene to...
|
|
|
7098255 |
Process for producing polyurethane foam
A process for producing a finely cellular polyurethane foam by mixing a first ingredient comprising an isocyanate compound and a second ingredient comprising a compound containing an active...
|
|
|
7078443 |
Viscoelastic foam layer and composition
A viscoelastic foam is provided having an amine-based polyol system to impart strength, recoverability and endurance to the foam, and an appropriately selected trifunctional non-amine-based polyol...
|
|
|
7078442 |
Method of consolidating sand or gravel into a solid mass
A composition and method for consolidating aggregate material is disclosed. The method includes introducing a reaction composition into the aggregate material and allowing it to reach on form a...
|
|
|
7066724 |
Apparatus for flatproofing a tire and wheel assembly
An apparatus is disclosed for flatproofing a tire and wheel assembly with a flexible, lightweight foam-fill by supplying at least two polyurethane reactive materials to a static mixer. The static...
|
|
|
7060736 |
Blowing agent solubility in polymers
The selection of additives to improve the solubility of blowing agents may be facilitated by using a method that involves determining and comparing the activity coefficients of prospective...
|
|
|
7053132 |
Blowing agent blends
Foam blowing agent blends of trans-1,2-dichloroethylene and one or more pentanes are provided, as are polyol premixes and foam compositions containing such blends. The resulting foams exhibit...
|
|
|
7008974 |
Composition for preparing rigid polyurethane foam having good demolding property
Disclosed is a composition for preparing a rigid polyurethane foam having a good demolding property by defining polyol component and catalyst component. The polyol component comprises 40˜60 wt. %...
|
|
|
6921779 |
Blowing agent enhancers for polyurethane foam production
Rigid polyurethane blowing agent enhancers, methods for using them, and the products produced by these methods are disclosed. The enhancers are low molecular weight alcohols and/or ethers that...
|
|
|
6878752 |
Method for making one-container rigid foam
A method of making a one-container foam by dissolving a polymer in liquified gas at a pressure greater than the vapor pressure of the liquified gas and than rapidly decreasing the pressure within...
|
|
|
6861454 |
Raw materials for anti-cracking polyurethane foams and method for preparing the same
Raw materials for anti-cracking polyurethane foams comprises: a mixed polyol 100 weight parts; an isocyanate 140˜180 weight parts; a catalyst 1.0˜3.0 weight parts; water 1˜2.5 weight parts; a...
|
|
|
6861452 |
Composition for production of flame-retardant flexible polyurethane foams
The present invention provides a composition for flame-retardant flexible polyurethane foam comprising: (i) a polyol component; (ii) a polyisocyanate component; (iii) a halogen-free phosphate ester...
|
|
|
6855742 |
Agents for reducing the force-to-crush (FTC) of high support flexible foams
The present invention provides a high support (HS) and high support-high resilience (HS-HR) flexible polyurethane foams prepared by catalyzed reaction of one or more di- or polyisocyanates at an...
|
|
|
6849667 |
Foam of thermoplastic urethane elastomer composition and process for producing the foam
The method of the present invention for producing a urethane-based thermoplastic elastomer composition foam comprises the steps of:
adding and mixing 0.1 to 30 parts by weight of carbon...
|
|
|
6846850 |
Rigid polyurethane foams with improved properties
In the process of the present invention, an organic polyisocyanate is reacted with a sorbitol-based polyether polyol having a number average molecular weight of from about 400 to about 1500, in the...
|
|
|
6846792 |
Hydrofluorocarbon compositions
Refrigerant compositions include mixtures of difluoromethane and isobutane, butane, propylene or cyclopropane; pentafluoroethane and propylene or cyclopropane; 1,1,2,2-tetrafluoroethane and...
|
|
|
6822011 |
Water-blown foams of low apparent density
The invention relates to foam having an apparent density of less than 100 kg/m 3 , in which water is predominantly used as the blowing agent, and to products that contain such foams. The mentioned...
|
|
|
6818675 |
Process for preparing polyurethane foam
A process for preparing a polyurethane foam is provided which comprises reacting a polyisocyanate and an active hydrogen-containing component, including water and an organic polyol, in the presence...
|
|
|
6815047 |
Foamed thermoplastic resin sheet and manufacturing method of the same
A foamed thermoplastic resin sheet has a foaming ratio of not less than 2.5, and cells, existing in an interior part which extends inward from a depth of 20 percent a whole thickness of the sheet...
|
|
|
6790820 |
Compositions of hydrofluorocarbons and trans-1,2-dichloroethylene
The present invention provides compositions comprising an HFC component and a non-HFC component consisting essentially of methanol, having boiling points that are unexpectedly low and relatively...
|