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5710189 |
Blowing agent composition and a method for making a blowing agent
The present invention relates to a composition for use as a blowing agent in injection molding processes. More specifically, the present invention is a blowing agent composition comprising a...
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5691390 |
Thermoplastic syntactic foams and their preparation
A low-density, porous material is prepared by mixing together microballoons and an oligomeric precursor to a polyesterimide polymer. The oligomeric precursor has an initial viscosity sufficiently...
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5688860 |
Polyurethane/polyurea elastomers
Polyurethane/urea elastomers having an isocyanate equivalent index below 100, preferably from about 15 to about 80; containing an effective amount of polyisocyanate component, and an effective...
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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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5677367 |
Graphite-containing compositions
Disclosed herein is a precursor powder composition comprising a resin, a combination of zinc dust, zinc powder and zinc-coated microspheres and graphite, said powder being soluble in a solvent...
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5665461 |
Low moisture absorption syntactic foam
A syntactic foam in the form of a thin uniform sheet that possesses enhanced moisture resistance, which comprises a composite filled with hollow microspheres such as glass in a polymer matrix resin...
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5633290 |
Pore-size selective modification of porous materials
A method of pore-size selective chemical modification of materials having pores of about 1 to 1,500 nm is disclosed. The resulting novel porous materials are particularly useful as separation media...
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5629364 |
Coating composition
A coating composition is based on polyvinyl chloride plastisol containing thermoplastic microspheres and is suitable for use as underbody compound for vehicles. The coating composition contains a...
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5626657 |
Composite microsphere and lubricant mixture
A composite mixture of spherical objects and lubricant useful for its cushioning properties is disclosed and claimed. The composite mixture may be composed of microspheres typically less than 2000...
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5614563 |
Method for the preparation of silicone foam
A stable and highly productive method for the preparation of silicone foam having uniform cells characterized by mixing the base and curing agent portions of an organosiloxane, along with a...
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5604266 |
Cured unsaturated polyest-polyurethane highly filled resin materials and process for preparing them
The present invention is directed to a rigid or semirigid, filled resin material having a continuous phase which is a matrix containing a complex crosslinked network having an unsaturated...
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5597522 |
Method of making polyolefin/filler composite materials
A smooth-surfaced tape or sheet of composite syntactic material made up of a polyolefin and, as filler, hollow microspheres, is formed by extrusion through a die having a land length to thickness...
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5532281 |
Methods and apparatus for producing a composition material and products of the methods and apparatus
Methods and apparatus are disclosed for producing a composition material which embodies both physical and chemical properties of a physically expanded polymer and specific structural and/or...
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5532280 |
Process for the production of lightweight polyurethane moldings
A low density RRIM/RIM article formed of rigid foamed polyurethane which has incorporated in it, hollow glass microspheres with a compressive strength greater than 4,000 psi and a maximum size of...
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5530057 |
Filled aliphatic thermoplastic urethane automotive air bag door tear seam insert
A filled aliphatic thermoplastic urethane automotive air bag door tear seam insert is formed of a polyol, a chain extender, an organic diisocyanate, an antioxidant, a urethane catalyst, and a...
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5508315 |
Cured unsaturated polyester-polyurethane hybrid highly filled resin foams
The present invention is directed to a rigid, lightweight filled resin foam having voids dispersed in a continuous phase which is formed from a polyester hybrid resin having reinforcing particles...
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5506280 |
Modeling dough
A modeling dough comprising gelled poly(vinyl alcohol), water and a filler provides a dough resistant to flaking, cracking, and crumbling. In the disclosed invention, the poly(vinyl alcohol) resin...
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5472315 |
Abradable coating in a gas turbine engine
An abradable coating is provided for use on a composite substrate which has a coefficient of thermal expansion substantially similar to that of the substrate and which is formed with a matrix resin...
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5454909 |
Low-density hot melt adhesive
A low-density hot melt adhesive is disclosed. Low-density filler, preferably hollow glass microspheres, is added to a hot melt adhesive to provide a hot melt adhesive having a specific gravity...
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5432205 |
Method of preparation of removable syntactic foam
Easily removable, environmentally safe, low-density, syntactic foams are disclosed which are prepared by mixing insoluble microballoons with a solution of water and/or alcohol-soluble polymer to...
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5428067 |
Column-packing material for gel-permation chromatography, method for its preparation, and applications
A column packing material to be used in gel permeation chromatography (GPC) consists of support particles with a mean particle diameter of 1 to 50μ of which the matrix is formed by an inorganic or...
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5407983 |
Compositions containing hollow microspheres
A composition is described with comprises a mixture of (A) from about 5% to about 60% by weight of at least one water-insoluble polymer; (B) from about 1% to about 30% by weight of inorganic...
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5393794 |
Insulation material and method using fly ash
An insulating material consisting essentially of fly ash particles and a binder and a method for making the same. In one embodiment of the present invention, fly ash particles are mixed with a...
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5374669 |
Sprayable filler composition
A sprayable, high solids, low-volatiles filler composition is provided which may be used as a coating on a variety of substrates. The sprayable filler composition comprises a first filler/glazing...
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5371113 |
Polyurethane foam of low thermal conductivity and method of preparation
Polyurethane foam of low thermal conductivity is prepared by employing carbon dioxide as a blowing agent, preferably in combination with a halogenated compound, typically a halocarbon or...
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5356958 |
Impact resistant thermoplastic syntactic foam composite and method
Typical embodiments of the syntactic foam panel construction which characterize the intention have (1), at least one face sheet of thermoplastic resin reinforced with microballoons and (2) a foam...
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5354611 |
Dielectric composite
A composite material is disclosed. The material comprises a polymeric matrix and from about 20 volume percent to about 70 volume percent inorganic particles distributed throughout the matrix....
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5348990 |
Low dielectric materials
A low dielectric material made of a liquid crystal polymer, polytetrafluoroethylene, and hollow glass spheres. This material is a relatively low cost, low dielectric blend having good physical...
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5308909 |
Glass bubble filled polybenzimidazole
A moldable hollow glass filled PBI composition. The composition may be prepared by making a well-mixed slurry of glass microspheres in a solution of PBI in a suitable solvent, and then spinning the...
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5302633 |
Optical resolution agent and process for the preparation of the same
An optical resolution agent which is prepared by polymerizing a polysaccharide derivative having vinyl groups introduced into the hydroxyl groups thereof through an ester or urethane linkage on the...
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5280052 |
Plastic molded pieces having the appearance of a solid metallic piece
A utilitarian and/or decorative object and a method for forming the object fabricated mainly of a plastic material, such as polyester, having a metallic outer face which thereby imparts to this...
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5278221 |
Polyester film containing minute glass spheres and fumed silica
The present invention relates to films or sheets of linear polyester containing glass spheres having a certain particle size distribution and in a certain amount based upon the weight of the...
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5278194 |
Environmentall dispersible syntactic foam
A syntactic foam product having a desired configuration is set forth. The product comprises a plurality of rigid gas filled bubbles arranged in the desired configuration. The bubbles are defined by...
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5262454 |
Flame-resistant polyorganosiloxane compound containing hollow glass balls and intumescent compound
A flame-resistant, hardenable polyorganosiloxane compound is described with a content of 2 to 40 weight % hollow glass balls with an outside diameter of up to 200 μm and 3 to 50 weight % of an...
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5258211 |
Coating composition for air bags and air bag
A coating composition for the air bag which comprises (A) an organopolysiloxane having a viscosity of 300 cSt or more at 25° C. which is represented by the average composition formula (1)...
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5252632 |
Low cost cathodic and conductive coating compositions comprising lightweight hollow glass microspheres and a conductive phase
Improved, low-cost coating compositions, comprising lightweight, non coated hollow, glass microspheres having high isostatic crush resistance, low specific gravity and low oil absorption, are...
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5246983 |
Unsaturated polyester resin compositions, molding compounds and molded products therefrom
A resin composition comprising (a) an unsaturated polyester, (b) a vinyl monomer, (c) a thermoplastic resin, (d) a curing agent and (e) a hollow filler with a number average particle diameter of...
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5242956 |
Bone phantom material with high homogeneity
A method of producing highly homogeneous material, for constructing bone density phantoms used in calibrating CT machines and the like, dehumidifies the x-ray absorbing constituents of the material...
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5229437 |
Encapsulating material for asbestos tile
A self-levelling continuous coating composition is disclosed. The composition is adapted for application on a surface of flooring material which contains asbestos. The composition encapsulates the...
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5218016 |
Filler and floatability material manufacturing process and tubular units that incorporate this material
A filler and floatability material is an extruded admixture of a thermoplastic resin material and a mineral or organic load lightening material that resists against hydrostatic pressure. The...
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5212214 |
Arylene sulfide coating having improved physical properties
The present invention provides an inventive arylene sulfide coating composition which exhibits enhanced hardness, inertness, abrasion-resistance, and durability. The, inventive composition...
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5198479 |
Light transmissive epoxy resin compositions and optical semiconductor devices encapsulated therewith
In a light transmissive epoxy resin composition comprising (A) an epoxy resin and (B) a curing agent are blended (C) an organic phosphorus anti-discoloring agent and (D) silica-titania glass beads...
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5194459 |
Fluoropolymer insulating material containing hollow microspheres
An insulating material formed from a network of hollow gas-filled microspheres embedded in a cured three-dimensional cross-linked polymer network of copolymerized unsaturated fluorinated monomers...
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5189080 |
Epoxy resin composition for encapsulating electric circuit components
An encapsulating resin composition for electrical and electronic components consists of cycloaliphatic epoxy resin, a hardener, an accelerator, a filler and, sometimes, a pigment. As a result of...
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5175199 |
High transparency silica-titania glass beads, method for making, and light transmission epoxy resin compositions
High transparency silica-titania glass beads are characterized by a linear transmittance of at least 70% as measured at a wavelength of 900 nm to 600 nm by a specific measurement method. Such beads...
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5175197 |
Water-based intumescent fire barrier caulk
Water-based, intumescent, fire retardant material is made from, on a dry basis by weight, 100 parts of a latex such as polychloroprene latex and from 50 to 200 parts of water-insoluble intumescent...
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5168104 |
Macroporous particles as biocompatible chromatographic supports
A method to prepare uniform populations of macroscopic beads containing pores of at least 0.1 microns diameter is described. The beads consist essentially of a copolymer of a monoethylenically...
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5162397 |
Silicone foams
A foamable silicone composition comprises a polysiloxane having silicon-bonded hydrogen atoms, a polysiloxane having siloxane units including unsaturated groups, a polysiloxane having...
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5158727 |
Polyolefin/filler composite materials and their preparation and use
An insulating composition comprises a polyolefin, preferably polypropylene, and hollow microspheres, at least some of which have been pre-treated with a chain-scission agent and, optionally, a...
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5141972 |
Insulating material and production thereof
An insulation material made of rigid microballons within the pores of a porous polymeric base material.
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