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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...
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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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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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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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6706776 |
Syntactic foams with improved water resistance, long pot life and short demolding times
This invention relates to syntactic foams comprising the reaction product of a liquid diphenylmethane diisocyanate component, with an isocyanate-reactive component, a filler having a density of...
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6653363 |
Low energy-loss, high firmness, temperature sensitive polyurethane foams
Foaming a polyurethane foam at above atmospheric pressure conditions using a mixture of polyisocyanate and a specific mixture of low molecular weight (high OH number) polyether and graft polyols...
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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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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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6576682 |
Use of reactive amines for the preparation for polyurethane foams
The invention relates to a process for preparing polyurethane foams (PUR foams) which uses reactive amines of the formula where n is 1 to 4, R 1 and R 2 are —(CH 2 —CH 2 —O) x H, —(CH...
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6458859 |
Semiconductive silicone rubber composition and silicone rubber roll
By blending acicular conductive titanium oxide and an antistatic agent having a metal ion-containing moiety in an organopolysiloxane having at least two aliphatic unsaturated groups, there is...
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6420448 |
Energy absorbing foams
Polyurethane foams formed under vacuum (below atmospheric pressure) conditions using a specific mixture of polyisocyanate and with a major portion of methylene diisocyanate (MDI) and a specific...
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6403664 |
Combination of metal salts of ricinoleic acid with reactive amines in producing polyurethane forms
The invention relates to the combined use of metal salts of ricinoleic acid with reactive amines in the preparation of polyurethane foams (PUR foams) and of their solutions in aqueous or organic...
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6242555 |
Light-stable elastomeric polyurethane mouldings and process for the production thereof
A process for the production of micro-cellular or non-cellular, light-stable elastomeric, flexible or semi-flexible polyurethane moldings which are especially suited for window encapsulation...
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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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6153659 |
3-{N-[2-(N',N'-dimethylamino ethoxy)ethyl]-N-methylamino}propionamide for the production of polyurethanes
3-{N-[2-(N',N'-dimethylamino ethoxy)ethyl]-N-methylamino}propionamide is a new compound which is useful as a catalyst in the production of polyurethane foams.
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6140381 |
Delayed action catalysts for carpet backing and air frothed foam
This invention relates to a process for the production of a polyurethane backing and air frothed foam on a substrate comprising the steps of a) mixing a polyisocyanate and a polyol blend in the...
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6020283 |
Process for the production of delayed action tin catalysts
The present invention relates to a novel process for the production of delayed action tin catalysts. This process comprises reacting a dialkyltin dihalide with an alkali metal sulfide, to yield the...
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6010565 |
Foamed material for fireproofing and/or insulating
This invention relates to a foamed material for fireproofing and/or insulating purposes, consisting of 30 to 90 parts by weight of a solution that contains 20 to 70 wt-% Al (H 2 PO 4 ) 3 and 30...
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5844013 |
Hydrophilic polyurethane gel foams, particularly for treating deep wounds, wound dressing based on hydrophilic polyurethane gel foams and method of manufacture
Hydrophilic polyurethane gel foams are obtainable from a polyurethane gel defined in the description, from a water-absorbing material and from a non-aqueous foaming agent and can be used in...
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5840779 |
Catalysts which stabilize hydrohalocarbon blowing agent in polyurethane foam formulations
The present invention relates to foam compositions which are expanded with hydrohalocarbon blowing agents in the presence of catalysts which result in a decreased amount of decomposition of the...
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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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5721285 |
Thermal insulating foamed material and method of manufacturing the same
The present invention provides a thermal insulating foamed material with excellent thermal insulating properties and a method of manufacturing the same. The method comprises the steps of:...
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5681868 |
Adherence of automotive body and trim parts
A pressure sensitive adhesive consisting of a polyurethane foam is used for adhering decorative parts to automobiles and other vehicles. The adhesive is characterized by high tensile strength and...
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5656677 |
Method for preparing and applying a sprayable, light stable polyurethane
A method for preparing a light stable polyurethane, sprayable by means of a spray pistol, wherein use is made of an active hydrogen containing compound, wherein the functional groups consist for at...
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5646195 |
Catalyst for polyurethane carpet backings and carpets prepared therewith
Polyurethane foam backed textiles, particularly polyurethane backed carpets can be prepared using a formulation including a dialkyltin sulfide catalyst. Use of the dialkyltin sulfide catalyst...
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5633292 |
Method for producing cold polyurethane foams
The invention relates to a method for the production of high resilience polyurethane foams by reacting a mixture of highly reactive polyols, which usually have an average molecular weight of...
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5599851 |
Superfine microelemental biochemical mixture and foamed plastic products thereof
This invention relates to a kind of superfine microelemental biochemical mixture and its foamed plastic products. The mixture contains titanium oxide, zirconia, silica, yttrium oxide, cerium oxide,...
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5596021 |
Crosslinkable polyester/isocyanate compositions suitable for preparing composite manufactured articles, in particular by means of injection processes, process for preparing them and their use
The present invention relates to a crosslinkable polyester/isocyanate composition suitable for preparing composite manufactured articles endowed with high structural mechanical properties, by means...
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5585412 |
Process for preparing flexible CFC-free polyurethane foams using an encapsulated blowing agent
The present invention relates to a process for producing a flexible polyurethane foam by reacting, at a reaction temperature within a temperature range of between about 70° F. and about 150° F.,...
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5514723 |
Water-blown integral skin polyurethane foams and catalysts useful therein
The present invention is directed to an integral skin foam prepared by reacting an isocyanate, an isocyanate reactive component and water as the only blowing agent and to a catalyst useful therein....
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5502150 |
Linear HDI urethane prepolymers for rim application
The present invention is directed to polyurethane moldings produced via the RIM process. These polyurethane moldings have excellent reactivity, demold properties (at a 30s demold), and good...
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5491174 |
Process for preparation of polyurethanes utilizing novel catalysts
Novel catalyst compositions comprising complexes of tin(IV) salts and amine compounds are used to prepare polyurethanes, polyureas, polycarbodiimides and polyisocyanurates. The complexes, which...
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5391583 |
Flame-retardant poly (polyisocyanate-organic phosphorus) products
Flame-retardant poly (polyisocyanate-organic phosphorus) products are produced by mixing and reacting an organic phosphorus containing compound and a polyisocyanate compound in the presence of a...
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5382602 |
Flexible slabstock polyurethane foam formulation for a rapid-cool process
Flexible, slabstock polyurethane foam compositions useful for a rapid-cool process are disclosed. The foams are produced in the presence of a tetravalent tin catalyst, preferably at a relatively...
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5348985 |
Process for making thermoplastic polyester foams
A process for making thermoplastic polyester foams comprises the steps of subjecting macrocyclic polyester oligomer precursors to initiators and blowing agents at a constant operating temperature...
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5328938 |
On-site generation of polyurethane foam using an HCFC as a sole blowing agent
The present invention relates to an improved process for producing, by means of a portable foaming apparatus having a static mixer, a polyurethane foam by reacting a reaction mixture comprised of a...
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5318996 |
Rigid insulating polyurethane foams prepared from ternary blowing agent mixtures
Polyurethane foams blown with a mixture of water, HCFC-22 or HCFC-141b, and a perfluorinated hydrocarbon having from 3 to 8 carbon atoms yields polyurethane and polyisocyanurate foams having...
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5300532 |
Integral skin-foam molded article
The present invention relates to integral skin-foam molded articles obtained by reaction-injection molding a polyurethane foam material comprising a polyol component, an isocyanate component, a...
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5292778 |
Polymer-modified polyol dispersions and processes for production and use thereof
A polymer-modified polyol dispersion comprises a polyaddition product dispersed in a polyol. The polyaddition product is present in an amount of from about 25 to about 70 percent by weight based on...
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5268393 |
Flame-retardant polyurethane foam produced without additional blowing agents
Flame-retardant polyurethane foam products are produced by mixing and reacting an organic phosphorus containing compound which will react with a polyisocyanate compound and produce a gaseous...
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5256704 |
Polyurethane RIM elastomers obtained with hydroxyl-containing organotin catalysts
The invention relates to reaction injection molded elastomers derived from high molecular weight polyether polyols, an aromatic diamine chain extender, a polyisocyanate and a hydroxyl-containing...
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5227450 |
Hydroxyl-containing organotin catalysts for making polyurethane rim elastomers
The invention relates to reaction injection molded elastomers derived from high molecular weight polyether polyols, an aromatic diamine chain extender, a polyisocyanate and a hydroxyl-containing...
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5212209 |
Compatibilized internal mold release composition for preparations of foamed and fiber-reinforced polymeric articles
Compositions and a method for preparing a molded foamed polymeric article comprising (1) a relatively high molecular weight polyahl and a relatively low molecular weight polyol, in proportions such...
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5196455 |
Self-leveling sealant composition and method relating thereto
The present invention relates to a one-part, self-leveling urethane sealant composition for substantially horizontal surfaces, wherein the sealant will flow within a crack, joint or the like and...
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5155248 |
Polyurethane catalysts
Reaction products of dibutyl tin oxide with selected aromatic aminocarboxylic acids, a process for their preparation and their use as catalysts for the preparation of polyurethanes.
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5145976 |
Polymeric diorganotin catalysts for use in polyurethane systems
Useful as catalysts for the reaction of a polyisocyanate or a partially blocked polyisocyanate with a hydroxy-containing compound are organotin compositions obtained by reacting a diorganotin oxide...
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5132331 |
Polycarbonate foams
A foamable thermoplastic molding composition comprising: a) an aromatic polycarbonate, and b) 0.1 to 5% by weight of a hydrate of an inorganic salt, is disclosed. The salt is inert to the...
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5115073 |
Rapidly crystallizing polyurethane systems
The present invention is directed to a polyurethane system containing isocyanate groups prepared by reacting A) 70 to 98 parts by weight of at least one polyester diol having a melting point of...
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5104909 |
Water-absorbent, high capacity polyurethane foams
A water absorbent, relatively dimensionally stable foam is formed from a prepolymer prepared from a polyoxyethylene containing diol, a crosslinking agent and a polyisocyanate. The preferred...
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5089645 |
Hydroxyl-containing organotin catalysts for making polyurethanes
Useful as catalysts for the reaction of a polyisocyanate or a partially blocked polyisocyanate with a hydroxyl-containing compound are hydroxyl-containing organotins such as, for example, compounds...
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