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7615580 |
Ester alcohols and substituted carbamates thereof for minimizing deterioration of polyurethane foams
A composition for making a polyurethane foam includes a non-fugitive tertiary amine urethane catalyst and an ester alcohol or substituted carbamate thereof. Foams prepared from the reaction of a...
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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...
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7550517 |
Expandable mixtures that are devoid of isocyanates
Foamable mixtures of excellent quality and which are isocyanate free are prepared from silane-terminated prepolymers in which a proportion of the silane end groups are replaced by non-polar organic...
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7538154 |
Aqueous foam coating with soft-feel effect
The invention provides aqueous preparations having soft-feel properties, foams obtainable by mechanically foaming these preparations, and soft-feel coatings based on the foams. The preparations...
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7479530 |
Polymer having charged units
A polymer comprising one or more macromonomer units selected from the group consisting of polysiloxane, perfluoroalkylpolyether (PFPE), fluorinated poly(meth)acrylate, polyalkyl (meth)acrylate,...
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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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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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7339020 |
High-functionality polyisocyanates
High-functionality polyisocyanates are prepared by a process which comprises
(i) preparation of an addition product (A) which contains one group which is reactive toward isocyanate and at...
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7307136 |
Polyurethane elastomers
A polyisocyanate-based elastomer having a ratio of the storage modulus (E′) at 20° C. and the storage modulus (E′) at 120° C. of between 0.75 and 1.5, a tan δ at 100° C. of less than 0.1...
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7238730 |
Viscoelastic polyurethane foam
The subject invention provides a viscoelastic polyurethane foam being flame retardant and having a density of greater than two and a half pounds per cubic foot that comprises a reaction product of...
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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...
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7208531 |
Viscoelastic polyurethane foam
The subject invention provides a viscoelastic polyurethane foam having a density of from one to twenty pounds per cubic foot. The foam is formed from a composition that is a reaction product of an...
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7205374 |
Two-part polyurethane adhesive for bonding insulation boards to a roof deck
A method of preparing an adhesive, the method comprising combining an isocyanate, a polyhydroxyl phenol-containing compound, a polyol, and a trimerization catalyst.
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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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7148264 |
Method of producing macroporous cross-linked polymer particles
The present invention relates to a method of producing one or more macroporous cross-linked polymer particles, which comprises polymerization and cross-linking of divinyl ether monomers in an inert...
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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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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...
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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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6894083 |
Polyurethane foam composition
Single component compositions for making a moisture-cured polyurethane foam are disclosed. Foam produced from the compositions of the present invention produce very low foaming pressure due to...
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6884824 |
Process for preparing an elastomer
Process for preparing a polyurethane elastomer having an apparent overall density of more than 150 kg/m 3 comprising reacting a polyisocyanate and an isocyanate-reactive composition, optionally in...
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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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6858699 |
Polyurethane elastomers and processes for their preparation and use
Polyurethane elastomers having a defined node density are produced from specific polyetherester polyols. These elastomers are particularly useful for the production of microcellular and solid...
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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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6849675 |
Golf ball comprising a plasticized polyurethane
A golf ball comprising a core and a cover layer, wherein at least one of the core or cover layer comprises a plasticized polyurethane composition comprising at least one polyurethane and at least...
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6849666 |
Polyurethanes containing dispersed crystalline polyesters
A process is disclosed for producing resilient polyurethane foams by foaming an organic polyisocyanate, an iso-cyanate-reactive compound and a fusible polymer. The improvement in the hardness of...
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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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6818674 |
Elastic member and image formation equipment
There are disclosed an elastic member which comprises (A) polyurethane foam obtained by agitationally mixing a foaming agent, a foam stabiizer and a urethane prepolymer synthesized from a polyol...
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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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6800715 |
Lightweight tire support and composition and method for making a tire support
A polyurethane-polymer composition suitable for preparing a lightweight tire support includes at least one isocyanate, at least one polyol, and at least one chain extender. A polyurethane-polymer...
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6790872 |
Mechanically frothed and chemically blown polyurethane foam
The present invention is a low density polyurethane foam cushion useful as an attached carpet cushion or as a detached carpet underlay. The low density foams of the present invention are prepared...
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6784219 |
Polyurethane cast elastomers based on durene diisocyanate
The present invention relates to polyurethane cast elastomers which are prepared from higher molecular weight polyhydroxy compounds, durene diisocyanate and low molecular weight chain-lengthening...
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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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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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6737471 |
Polyurethane elastomers which exhibit improved stability to hydrolysis
A solid and/or cellular polyurethane elastomers which are produced using polyester polyols are disclosed. The elastomers which exhibit improved stability to hydrolysis are characterized in that...
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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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6653361 |
Flame retardant polyurethane composition and method of manufacture thereof
A polyurethane foam or elastomer comprises an organic polyisocyanate component, an active hydrogen-containing component reactive with the polyisocyanate component, wherein the viscosity of this...
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6649726 |
Two-component type polyurethane composition and process of preparing the same
The two-component type polyurethane composition according to the present invention is obtained from a principal component containing a compound having an isocyanate group and a curing agent...
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6638990 |
Flame-laminable polyurethane foams
This invention relates to flame-laminable polyurethane block foams having high peel strength, a process for their production and the use thereof for textile lamination.
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6638989 |
Method of preparing polyurethane-modified polyisocyanurate foam
Rigid foams having excellent compression strength, dimensional stability, flame retardance and adhesion are produced by reacting an active hydrogen compound having at least two functionalities with...
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6638986 |
Preparation of in situ-reticulated flexible polyurethane foams
Reticulated flexible polyurethane foams are prepared by reacting organic and/or modified organic polyisocyanates (a) with a polyetherol mixture (b) and, if required, further compounds (c) having...
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6635737 |
Polymers derived from low unsaturation polyamines
Low unsaturation, high molecular weight polyols having an unsaturation level below or equal to 0.006 milli-equivalents per gram, and preferably below 0.004 milli-equivalents per gram, and molecular...
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6627671 |
Methods for making urethane molded products for polishing pads
Urethane molded products for polishing pad comprise two types of cells having different sizes in urethane molded products formed by mixing and curing an isocyanate-terminated urethane prepolymer...
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6617368 |
Isotropic rigid foams
This invention relates to a process for the preparation of an isotropic rigid foam comprising the step of reacting: (A) an organic polyisocyanate component selected from the group consisting of:...
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6613865 |
Thermoplastic desiccant
The invention relates to thermoplastic compositions that contain reactive isocyanate groups and that are suitable for use as desiccants for packaging moisture-sensitive goods, especially for...
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6610756 |
Inorganic/organic composite foam and process for producing the same
An inorganic/organic composite foam that has a foam structure obtained from a combination of a phosphoric acid compound and/or a sulfuric acid compound with a blowing agent therefor, has reduced...
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6608160 |
Composition for production of cover packing and process for production of cover packing using the same
A composition for production of cover packing, comprising: (A) a blocked isocyanate, (B) an active hydrogen group-containing compound having average two or more functional groups, (C) an organic...
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6586487 |
Low-density, water blown polyurethane foams for energy-absorbing applications
A method for making an energy-absorbing foam having a density that is less than about 7 pcf that exhibits excellent strength properties and that is particularly suitable for automobile bumper...
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6586486 |
Preparation of low-density hydrophilic flexible polyurethane foams
Low-density hydrophilic flexible polyurethane foams are prepared by reacting organic and/or modified organic polyisocyanates (a) with a polyetherol mixture (b) and, if required, further compounds...
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