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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...
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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...
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7511082 |
Polyurethane foam and method of manufacturing the same
The invention provides a polyurethane foam manufactured from a polyisocyanate and a polycarbonate polyol. Moreover, the invention provides a method of manufacturing the polyurethane foam...
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7414080 |
Polyurethane polishing pad
The polishing pad is suitable for planarizing at least one of semiconductor, optical and magnetic substrates. The polishing pad includes a cast polyurethane polymeric material formed with an...
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7393879 |
High resilient silicone foam and process for preparing same
A method for producing a novel silicone foam by reaction of a polyisocyanate with a silicone oligomer having a plurality of functional end groups with active hydrogens, optionally in the presence...
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7390867 |
Isocyanate adducts
The invention relates to isocyanate adducts which can be prepared by reacting at least one polyisocyanate with compounds having at least two hydrogen atoms which are reactive toward isocyanate...
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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...
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7378454 |
Polyurethane composition and polishing pad
A polyurethane composition containing solid beads dispersed therein, is formed of a microcellular polyurethane foam, and the composition has a storage modulus of elasticity at 40° C. of 270 MPa or...
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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...
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7273894 |
Compositions for the preparation of void-containing articles
Disclosed are novel compositions for the preparation of void-containing articles comprising a polymer matrix and a voiding agent The voiding agent comprises at least one first polymer and at least...
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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...
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7202284 |
Foamed thermoplastic polyurethanes
Process for the preparation of foamed thermoplastic polyurethanes characterized in that the foaming of the thermoplastic polyurethane is carried out in the presence of thermally expandable...
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7179882 |
Low viscosity polymer polyols
The present invention relates to low viscosity polymer polyols and to a process for the preparation of these low viscosity polymer polyols. These polymer polyols comprise the free-radical...
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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...
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7169824 |
Process for preparing a flexible polyurethane foam
Process for preparing flexible polyurethane foam by reacting an MDI-based polyisocyanate and a polyether polyol with a high oxyethylene content in a mold.
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7160975 |
Methacrylates as stabilizers for polymer polyols
This invention relates to ethylenically unsaturated macromers which contain reactive unsaturation, and to a process for preparing these ethylenicallly unsaturated macromers which contain reactive...
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7138437 |
Polyurethane composition containing a property-enhancing agent
A composition comprising at least a part A and a part B is disclosed. The part A comprises at least one polyol and the part B comprises at least one isocyanate. At least one part further comprises...
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7115673 |
Photosensitive resin composition, porous resin, circuit board, and wireless suspension board
The present photosensitive resin composition 2 comprises a polyamic acid resin 4 , a photosensitive agent, a dispersible compound 3 dispersible in the polyamic acid resin 4 , and a solvent....
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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...
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7091341 |
Catalyst and a method for the trimerization of isocyanates
A method is described of preparing (poly)isocyanurate polyisocyanates by catalytic cyclotrimerization of isocyanates. A catalytic system is used which includes a cyclotrimerization catalyst based...
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7005458 |
Static dissipative polyurethane foams
A static dissipative flexible polyurethane foam is formed under free rise expansion conditions from a polyether graft polyol and an isocyanate, wherein one or more anti-static additives are...
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6919384 |
Process for preparing a flexible polyurethane foam
Process for preparing flexible polyurethane foam by reacting an MDI-based polyisocyanate terminated prepolymer and a polyether polyol with a high oxyethylene content and foams produced by such...
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6908951 |
Expandable coating composition, coated product, and production method for expanded coating film
An expandable coating composition, yields a coating film having elasticity, a soft feeling, and strength which are sufficient for an instrument panel of an automobile by simple processes. An...
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6887913 |
Method for producing a rigid foamed synthetic resin
A method for producing a rigid foamed synthetic resin, which comprises reacting a polyol with a polyisocyanate compound in the presence of water, a catalyst and a fluorine-containing compound of...
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6884825 |
Process for making a flexible polyurethane foam
Process for preparing a flexible polyurethane foam comprising reacting at an isocyanate index of 70 to 130, 1) 40-65 parts by weight of a polyisocyanate composition comprising a) 80-100% by weight...
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6884507 |
Use of high modulus, impact resistant foams for structural components
The present invention provides tough, high modulus, low density thermoset polyurethane compositions which are useful in general as, for example, cast structural materials and in a preferred...
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6881763 |
Plastic material
A material comprising the reaction product of an A-side having an isocyanate and a B-side having a cross-linker comprising a multifunctional alcohol, a vegetable oil, preferably a blown/oxidized...
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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...
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6852763 |
Polyurethane foam compound for ink holder, ink holder, and method for ensuring close contact for ink holder
A polyurethane foam compound for an ink holder, characterized in that it comprises a polyol and an isocyanate as main components, and also a crosslinking agent; an ink holder, characterized in that...
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6846849 |
Saccharide-based resin for the preparation of foam
An embodiment of the present invention includes a foam prepared from a resin comprising: one or more saccharides; one or more isocyanates; one or more resin polyols; and water. The foam may be for...
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6833390 |
Process for preparing closed-cell water-blown rigid polyurethane foams having improved mechanical properties
The present invention is directed to a process for preparing water-blown rigid polyurethane foams having at least an 80% closed-cell content which involves reacting a) at least one polyol mixture...
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6831112 |
Polyether, active-hydrogen ingredient, resin-forming composition, and process for producing foam
The present invention relates to polyether compounds, active hydrogen compounds and resin-forming compositions composed of the polyols, and methods for producing foams by employing the active...
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6822042 |
Saccharide-based resin for the preparation of composite products
A novel resin for binding composite lignocellulosic, cellulosic and non-cellulosic products is disclosed. The resin is comprised of one or more isocyanates, one or more saccharides, one or more...
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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...
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6803390 |
Rigid polyurethane foams
Polyurethane foams are made using a prepolymer that is the reaction product of an organic polyisocyanate, a hydroxy-functional acrylate or methacrylate, and a polyol. This prepolymer is reacted at...
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6790870 |
Methods of making foamed materials of blended thermoplastic polymers using carbon dioxide
A method of producing a foamed material comprises contacting a mixture comprising a first thermoplastic polymer and a second thermoplastic polymer with a blowing agent, wherein the first...
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6784217 |
Process for making high resilience foams
A prepolymer process for preparing a high resilience flexible polyurethane foam by reacting a polyisocyanate composition comprising at least 80% by weight of 4,4′-MDI and having an NCO value...
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6777455 |
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...
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6774153 |
Process for preparing a free rise or slabstock flexible polyurethane foam
Process for making free rise or slabstock flexible polyurethane foams with high resilience using diphenylmethane diisocyanate and a polyol composition comprising: (a) a...
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6759443 |
Polyurethane foam composition and additive useful in shoe sole applications and methods of making same
The invention is directed to polyurethane foam shoe soles containing an additive comprising a mixture of polyethylene wax and PTFE (polytetrafluoroethylene), and to polyol components containing the...
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6759363 |
Activators for the production of polyurethane foams
Activators with reduced volatility that are liquid at room temperature are obtained as the reaction product of (A) a secondary amine or primary alcohol having at least one tertiary amine group, (B)...
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6756414 |
Polymer polyol composition, process for producing the same, and process for producing polyurethane resin
This invention provides a polymer polyol composition (I) comprising a polyol (A) and polymer particles (B) dispersed in (A), the polymer particles (B) being formed by polymerizing an ethylenically...
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6750265 |
Prepolymer compostion for insulating foams
A prepolymer composition for producing polyurethane insulating foams with fire-retardant properties from pressure tanks which consists of a prepolymer component with at least one PU prepolymer with...
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6747068 |
Hydrophobic polyurethane foam
The invention is a hydrophobic polyurethane foam prepared from a conventional PO/EO polyether polyol, a graft polyol and a hydrophobicity inducing surfactant. The foam is sufficiently hydrophobic...
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6740687 |
Latex replacement polyurethane foams with improved flame retardancy
Polyurethane foams formed under vacuum (below atmospheric pressure) conditions using toluene diisocyanate or a specific mixture of polyisocyanates with a specific mixture of polyether and graft...
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6734220 |
Fine cell, high density viscoelastic polyurethane foams
Polyurethane foams formed at above atmospheric pressure conditions using methylene diisocyanate or a specific mixture of polyisocyanate and with a major portion of methylene diisocyanate (MDI) with...
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6734219 |
Flexible polyurethane foam and method for its production
A method for producing a flexible polyurethane foam in an open state, which comprises reacting a polyol with a polyisocyanate compound in the presence of a catalyst, a blowing agent and a foam...
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6734217 |
Flame resistant HR cold-moulded foam with a reduced fume density and toxicity
The invention relates to flame-resistant high resilience cold-cure moulded foams, processes for the production thereof and use thereof.
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6727290 |
Process of making rigid polyurethane foam
In a process of generating a polyurethane foam by forming a mixture including isocyanate and polyol reactants, catalyst, and blowing agent, which mixture reacts exothermically to yield a rigid...
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6716890 |
Polyurethane foams with fine cell size
Polyurethane foams formed using a specific mixture of polyether and graft polyols with toluene diisocyanate have fine cell size (over 70 pores per inch) and higher durability with IFD 25 retention...
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