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7482391 |
Foaming RTV silicone compositions
Room-temperature vulcanized (RTV) foaming compositions are disclosed. The compositions include at least one enoxysilyl functional group and/or at least one alkoxysilyl functional group, at least...
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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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7309722 |
Composition for forming porous film, porous film and method for forming the same, interlevel insulator film, and semiconductor device
The present invention provides a composition for film formation which can form a porous film that excels in dielectric properties, adhesion, film consistency and mechanical strength, and that is...
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7285578 |
Water-in-oil emulsion composition for forming silicone elastomer porous material
A water-in-oil emulsion composition for forming a silicone elastomer porous material contains a liquid silicone rubber material which forms a silicone elastomer upon curing, a silicone oil material...
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7268169 |
Silicone elastomer porous body
A substantially closed-cell silicone elastomer porous body includes cells with diameters of 50 μm or less, which occupy 50% or more of all the cells, and has a closed cell rate of 60% or more.
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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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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...
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7026365 |
Polymer nanocomposite foams
Nano-sized particles such as nano-clays can be mixed with polymers through either melt compounding or in-situ polymerization. By modifying the particle surface with various surfactants and...
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6890966 |
Process for the production of a lightweight cold urethane
In a process for the production of a lightweight cold urethane wherein raw materials are injected into a mold in one shot, diethanolamine is added in an amount of 0.1 to 2.0 parts by weight per 100...
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6841586 |
Felted hydrophilic ester polyurethane foams
An ester polyurethane foam is prepared by reacting a mixture of one or more polyester polyols with one or more isocyanates and one or more silicone surfactants in the presence of a blowing agent,...
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6841584 |
Reinforced phenolic foam
Disclosed are compositions of short fiber reinforced phenolic foams, methods of making and using the same. The disclosed fiber-reinforced phenolic foams have a seven-fold increase in peel...
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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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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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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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6756416 |
Hydrophilic ester polyurethane foams
An ester polyurethane foam is prepared by reacting a mixture of one or more polyester polyols with one or more isocyanates and one or more silicone surfactants in the presence of a blowing agent,...
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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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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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6541530 |
Urethane-modified polyisocyanurate foam
A urethane-modified polyisocyanurate foam obtained by reacting (A) a polyisocyanate compound component, (B) a polyol component, containing a modified phenolic resin obtained by adding 20 to 100...
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6518324 |
Polymer foam containing nanoclay
Polymer foams containing nanoclay are provided, the foams having improved properties such as thermal insulation values.
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6506810 |
Use of mixtures of organofunctionally modified polysiloxanes with branched alcohols in the production of flexible polyurethane foams
The invention relates to the use of mixtures of organofunctionally modified polysiloxanes with branched alcohols in the production of flexible polyurethane foams.
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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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6451866 |
Spongy rubber body
Disclosed is a spongy rubber body or, in particular, spongy silicone rubber body useful for forming the semiconductive rubber layer of a rubber roller in photocopying machines and the like as well...
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6432335 |
Process for flexible cellular material preparation
A flexible cellular material can be made by extruding a composition containing a polyurethane prepolymer, where the prepolymer has end groups selected from the group consisting of isocyanate end...
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RE37711 |
Enol-ether capped polyethers and surfactants produced therefrom
The use of enol ether capped polyether-polysiloxane copolymers as surfactants in polyurethane foam applications is taught herein. These enol ether capped surfactants exhibit a high capping...
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6303669 |
Flexible polyurethane foam
The present invention provides a flexible polyurethane foam having good resistance to wet heat aging and resistance to ozone deterioration and a speaker edge having an excellent waterproofness...
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6100359 |
Ablative polyurea foam and prepolymer
The present invention relates to an ablative fire resistant hydrophilic polyurea foam made from low molecular weight polyols capped with an isocyanate, with the polyol mixture including a fire...
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6080800 |
Aqueous wax dispersions as cell openers in making polyurethane flexible foams
A method for preparing a flexible or semi-flexible polyurethane foam by reacting an organic polyisocyanate with a polyol in the presence of urethane catalyst, water as a blowing agent, optionally a...
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6043290 |
Dimensional stabilizing, cell opening additives for polyurethane flexible foams
A method for preparing a polyurethane flexible foam by reacting an organic polyisocyanate with a polyol in the presence of urethane catalyst, water as a blowing agent, optionally a silicone...
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6031012 |
Curable composition, foam produced therefrom, and process for producing the foam
Provided is a curable composition comprising (A) a phenolic compound having a carbon-carbon double bond, (B) a compound having an SiH group, and (C) a foaming agent. The composition can be foamed...
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RE36358 |
Flame retardant polyurethane foams
The invention pertains to flame retardant polyurethane foams prepared by the reaction of a polyoxyalkylene polyether polyol with an organic polyisocyanate and a blowing agent wherein melamine is...
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5854296 |
Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and tetramethylsilane
Azeotropic compositions made up of from about 60 to about 78% by weight of 1,1,1,3,3-pentafluoropropane and from about 22 to about 40% by weight of tetramethylsilane have been found to be...
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5847014 |
Water blown, energy absorbing foams
The present invention is directed to an isocyanate reactive mixture comprising from about 17 to about 85% by weight of one or more non-filled polyether polyols having a hydroxyl functionality of...
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5844009 |
Cross-linked low-density polymer foam
The invention relates to physically-blown low density polyethylene (LDPE) foams that are blends of an LDPE resin and a silane-grafted single-site initiated polyolefin resin. The LDPE resin...
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5786398 |
Manufacture of insulating foams containing film forming additives
This invention relates to insulating foams and to a process for producing the foams. Preferably, the foams are made from phenol formaldehyde resins. The blowing agents for making the foams include...
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5744508 |
Foamable silicone rubber composition
A foamable silicone rubber composition is provided that includes: (A) a diorganopolysiloxane; (B-1) an organohydrogenpolysiloxane represented by the general formula (2): ##STR1## (B-2) an...
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5716548 |
Polyurethane SRIM compositions having internal mold release properties
The invention provides polyurethane components and compositions capable of providing internal mold release properties in SRIM applications. The polyol composition of the invention has an isocyanate...
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5716541 |
Azeotrope-like compositions of 1,1,1,3,3 pentafluoropropane and tetramethylsilane
Azeotropic compositions made up of from about 60 to about 78% by weight of 1,1,1,3,3-pentafluoropropane and from about 22 to about 40% by weight of tetramethylsilane have been found to be...
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5700869 |
Polyurethane compositions having internal mold release properties
The invention provides polyurethane components and compositions capable of providing internal mold release properties in SRIM applications. The polyol composition of the invention has an isocyanate...
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5690855 |
Polyol blend, cellular polyurethane foam product made therefrom, and halogenated hydrocarbon-free process therefor
A polyol blend is disclosed for making cellular polyurethane foam products in the absence of halogenated hydrocarbon blowing agents. The products have good insulating performance, good compressive...
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5686526 |
Process of making molded polyurethane articles
The invention provides polyurethane components and compositions capable of providing internal mold release properties in SRIM applications. The polyol composition of the invention has an isocyanate...
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5686187 |
Molded polyurethane SRIM articles
The invention provides a molded polyurethane article having internal mold release properties. The polyurethane article comprises the reaction product of an isocyanate component (I) and an...
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5652276 |
Foaming resin composition, plastic foam formed from the composition, and method for forming the plastic foam
A foaming resin composition consisting essentially of (A) an organic compound having a carbon-carbon double bond, (B) a compound having an SiH group, and (C) a compound having an OH group is foamed...
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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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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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5459167 |
Process for producing a formed silicone foam by injection molding
To manufacture high quality, fine pored silicone foam parts by the injection molding process, two reaction components A and B are used. They both contain a silicone polymer and fumed silica. The...
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5438081 |
Microwave-activated preparation of silicone foams, and compositions useful therein
Silicone foams are prepared by microwave curing of a mixture of at least one polyorganosiloxane having vinyl groups attached to silicon; at least one hydride polysiloxane; a blowing agent...
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5436278 |
Melamine resin foam, process for production thereof and melamine/formaldehyde condensate
The present invention provides: a melamine resin foam obtained by foaming a resin composition comprising a melamine/formaldehyde condensate, a blowing agent and an isocyanate, a process for...
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5416123 |
Polyurethane foam prepared from high concentration-low viscosity polymer-polyol
High concentration-low viscosity polymer-polyols are prepared by polymerizing mixtures of acrylonitrile and styrene in polyols, which are free of any polymerizable carbon-carbon double bond, in the...
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5403655 |
Toughened thermosetting resin composites and process
Toughened thermosetting resins are disclosed comprising a thermosetting resin having a Tg of at least 150° C., preferably 180° C., and having dispersed substantially uniformly therethrough...
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