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7517917 |
Composition for preparing nanoporous material comprising calixarene derivative
A composition for preparing a nanoporous material. The composition comprises a thermostable matrix precursor, a calixarene derivative, and a solvent. The composition may enable formation of a low...
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7482389 |
Nanoporous media with lamellar structures
A nanoporous material exhibiting a lamellar structure is disclosed. The material comprises three or more substantially parallel sheets of an organosilicate material, separated by highly porous...
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7294655 |
Coating composition for thermoplastic resin particles for forming foam containers
Expandable or pre-expanded thermoplastic particles, e.g. polystyrene particles, used to form foam containers e.g. cups, bowls, are coated with a coating composition comprising a liquid part...
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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...
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7087657 |
Stable polyol dispersions, polyurethane moldings produced therefrom, and their use
The present invention relates to polyol dispersions with long-term stability, to cellular polyurethane moldings produced therewith, to processes for their preparation and to their use.
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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...
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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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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...
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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...
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6794420 |
Methods of producing stable novel black polyurethane articles with polymeric colorants
Polyurethane article black colorants which comprise a novel blue polymeric anthraquinone colorant, rather than the previous standard polymeric triphenylmethane blue-type colorants are provided....
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6787575 |
Method for processing a mineral fillers with a phosphate, said fillers and their uses
The invention relates to the technological sector of mineral fillers used in the sector which manufactures polyurethane foams and in particular fillers of the carbonate, hydroxide, silicate,...
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6787580 |
Water-free preparation process for multimodal thermoplastic polymer foam and foam therefrom
Prepare a multimodal thermoplastic polymer foam having a distribution of large and small cells in a substantial absence of water by using a blowing agent stabilizer. Multimodal foams of the present...
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6777454 |
Vesiculated polyester granules
This invention relates to a process of preparing vesiculated granules of crosslinked carboxylated polyester resin utilising a particular class of non-alkylphenolethoxylate surfactant.
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6765032 |
Treated mineral fillers suspensions of these fillers in polyols and their uses in polyurethane foams
Method for the treatment of mineral fillers using organic phosphate treatment agents. Treated mineral fillers obtained by said method and suspension of these treated mineral fillers in polyols. Use...
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6753356 |
Foaming compositions
Use as foaming agents having a low environmental impact of azeotropic or near azeotropic compositions using difluoromethoxy-bis(difluoromethyl ether) and/or...
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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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6660781 |
Process for preparing polyurethane foam
A process for preparing a polyurethane foam, especially according to the one-shot foaming process the quasi-prepolymer process and the prepolymer process, by reactions between a polyisocyanate and...
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6642283 |
Stable novel black polyurethane article colorants
Polyurethane article black colorants which comprise a novel blue polymeric anthraquinone colorant, rather than the previous standard polymeric triphenylmethane blue-type colorants are provided....
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6617365 |
Use of silicon-polyether copolymers in the production of high resilience polyurethane foams
The invention relates to the use of silicone-polyether copolymers of the formula I as surface-active substances in the production of polyurethane foams.
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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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6552097 |
Prepolymer compositions for insulating foams
A prepolymer composition for producing polyurethane insulating foams from pressure tanks which consists of a prepolymer component with at least one PU prepolymer with a content of NCO groups of 4...
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6525107 |
Acid-blocked amine catalysts for the production of polyurethanes
Novel acid-blocked amine catalysts and their use in the preparation of polyurethanes. The acid-blocked amine catalysts have the general structure shown below: wherein A is the residue of an...
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6472444 |
Closed cell phenolic foam
A closed cell phenolic foam is formed from a phenolic resin, a blowing agent such as HCFC141b, a catalyst and less than 2.5% by weight relative to the resin of at least one hydrofluoroether or an...
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6458862 |
Foaming agents
Hydrofluoropolyether foaming agents selected from: difluoromethoxy-bis(difluoromethyl ether) of formula HCF 2 OCF 2 OCF 2 H; and/or 1-difluoromethoxy-1,1,2,2-tetrafluoroethyl difluoromethyl ether...
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6433032 |
Process for rigid polyurethane foams
Process for the preparation of open celled rigid polyurethane or urethane-modified polyisocyanurate foams by reaction of a polyfunctional isocyanate-reactive composition with a polyisocyanate...
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6420443 |
Additives for enhanced hydrocarbon compatibility in rigid polyurethane foam systems
A process for preparing hydrocarbon blown rigid polyurethane foam using a novel compatibilizing agent. The compatibilizing agent is an alkoxylate adduct of a triglyceride with a hydroxyl value of...
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6391933 |
Flexible, substantially open celled polyurethane foam and method of making same
Method of making substantially windowless open-celled polyurethane foams which have superior wiping properties is disclosed. The ingredients for making such foams comprise: a polyol, catalyst,...
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6359022 |
Pentane compatible polyester polyols
Disclosed are aromatic polyester polyols, polyol based resin blends, and rigid closed-cell polyisocyanate-based foams made using the polyol based resin blends. The resin blends generally comprise: ...
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6346558 |
Alkylene oxide modified silicone glycol compatibilizing agents for stable polyester polyol compositions
A polyester polyol composition comprising a phthalic anhydride-initiated polyester polyol, a C 4 -C 6 hydrocarbon blowing agent, and an alkylene oxide modified silicone glycol compatibilizing...
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6340715 |
Foamable composition adapted for delivery from pressurized containers, for producing insulating foams
The invention provides a pressurized container for providing insulating foams including a foamable composition adapted for delivery from pressure cans and on the basis of an aqueous plastic...
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6271277 |
Process for making flexible foams
Process for preparing a flexible foam by reacting a prepolymer having an NCO value of 3-15% by weight, which is the reaction product obtained by reacting an excessive amount of a polyisocyanate...
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6271274 |
Open-cell polyisocyanurate foam for fixing and supporting plants
An open-cell polyisocyanurate foam for fixing and supporting plants, which is prepared from an aromatic isocyanate, a hydroxyl compound having an average number of functional groups of 1.0 or above...
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6268402 |
Process for making isocyanate-based rigid foam
A process for producing a rigid foam based on isocyanate comprises reacting an organic and/or modified organic polyisocyanate with a polyol composition and, optionally, a relatively low molecular...
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6262136 |
Storage stable foam-forming system
An isocyanate-reactive composition containing a blowing agent that is generally a gas at ambient temperature and pressure which is storage stable is produced by including a phenol or alkylphenol...
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6258866 |
Blowing agent compatabilization
Provided herein are subcombinations from which polyurethane foams and polyurethane foams containing polyisocyanurates may be prepared. The subcombinations are unique in that they contain components...
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6245826 |
Isocyanate-based rigid foam
An isocyanate-based rigid foam comprising the reaction product of an organic and/or modified organic polyisocyanate, a resin blend and, optionally, a relatively low molecular weight chain extender...
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6221929 |
Rigid foamed polyurethane-forming compositions, foamed polyurethane moldings and models made of the same
A rigid foamed polyurethane molding which reduce dust-scattering in cutting and is useful to a modeling stock. Said molding is produced by curing a composition by a mechanical frothing method, said...
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6218443 |
Pentafluoropropane blowing agent-containing resin blend for use in making integral skin foams
It has been found that non-chlorinated pentafluoropropane blowing agents may be used alone or in combination with water in flexible integral skin foams. For example, foams prepared from a resin...
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6194475 |
Use of metal salts of ricinoleic acid in producing polyurethane
The invention relates to the use of metal salts of ricinoleic acid or solutions thereof in water or in organic solvents in producing polyurethane foams.
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6191179 |
Preparation of polyurethane foams
A process for the preparation of foamed plastics materials based on polyisocyanate polyaddition products by the reaction of isocyanates with isocyanate-reactive compounds in the presence of...
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6086784 |
Premixes for the preparation of polyurethane or polyisocyanurate foams
Premixes intended for the preparation of polyurethane or polyisocyanurate foams comprising at least one polyol, at least one hydrofluoroalkane corresponding to the general formula CF 3 --CR 1 R 2...
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5977194 |
High internal phase emusions and porous materials prepared therefrom
High internal phase emulsions having an internal aqueous phase of greater than 70 percent by volume and an external oil phase comprising a vinyl polymerizable monomer contain a surfactant capable...
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5922779 |
Polyol blends for producing hydrocarbon-blown polyurethane and polyisocyanurate foams
Disclosed are aromatic polyester polyols, polyester polyol resin blends, methods for preparing such compositions and polyurethane and polyisocyanurate foams made using the compositions, wherein the...
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5889066 |
Rigid foams with improved insulation properties and a process for the production of such foams
Rigid foams having improved insulation properties are made by reacting a polyisocyanate with an isocyanate-reactive material in the presence of a blowing agent mixture composed of from about 1 to...
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5817706 |
Manufacture of non-CFC cellular resol foams using perflurinated ethers
The invention relates to a process for producing non-CFC resol foams of low density using perfluorinated ethers along with a HCFC or CFC blowing agent, and to foams produced by such a process. The...
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5807958 |
Catalysts for the manufacture of polyurethanes and/or polyureas
Alkaline metal and alkaline earth metal salts of alkyl and alkenyl succinic acids as catalysts for the manufacture of polyurethanes and/or polyureas are provided. Said catalysts are particularly...
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5798533 |
Polyol compositions having good flow and water blown rigid polyurethane foams made thereby having good dimensional stability
A polyol composition is provided which when reacted with and organic isocyanate, has good flow characteristics and makes an all water blown rigid polyurethane foam having good dimensional stability...
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5773483 |
Process for preparing a flexible foam
A method for the preparation of flexible polyurethane foams by reacting a polyisocyanate containing at least 85% by weight of 4,4'-diphenylmethane diisocyanate or a liquid variant thereof with a...
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5773482 |
Thermal insulating foamed material, method for producing the same, and thermal insulating cabinet
There are disclosed a thermal insulating foamed material, which is superior in thermal insulating property and does not cause deterioration of the thermal insulating property with a time lapse, and...
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5760099 |
Production of rigid or semirigid polyurethane foams and composite elements comprising such polyurethane foams
Rigid polyurethane foams, preferably semirigid polyurethane foams, are produced by reacting an organic and/or modified organic polyisocyanates with relatively high molecular weight polyhydroxyl...
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