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7820729 |
Process for preparing a functionalised polyHIPE polymer
A process for preparing functionalised microporous polymers (which are also known as micro-cellular polymers or polyHIPE polymers (PHPs)) using intensified internal heating (for example by...
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7704436 |
Cosmetic applicator and its production method
A cosmetic applicator is made of a rubber latex foam which has been solidified by microwave irradiation. The foam satisfies (i) a bubble fineness corresponding to 9 bubbles/mm2 or more, (ii)...
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7652075 |
Surface-compacted foam
The present invention relates to a process for producing ROHACELL® foams with a compacted surface. Markedly less adhesive then has to be applied during lamination and the good mechanical ...
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7582335 |
Foamed material and a method of making a foamed material
The invention provides a method of making a material, said method comprising generating a foamed hydrophilic polymer solution, especially of a gelatin or derivative thereof, and treating said...
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7265160 |
Crosslinked biodegradable resin continuous foamed sheet and method for production thereof
The foam sheet of the present invention is biodegradable, can be recycled, has good processability, is lightweight, exhibits excellent appearance, has practically satisfactory heat resistance and...
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7214724 |
Method for cross-linking a foamable plastic
A plastic is converted from an initial condition with a higher density into a foamed condition with a lower density using a blowing agent, wherein the plastic is cross-linked prior to foaming by...
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7138436 |
Uncrosslinked foams made from emulsions
The invention discloses methods for making uncrosslinked foams by polymerizing emulsions comprising a reactive phase and a phase immiscible with the reactive phase components. Foams made from...
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7132459 |
Moulded bodies made from a polyurethane material, production and use thereof
The invention relates to a method for the production of polyurethane-based technical formed parts, commodity goods and objects, preferably consisting of (meth)acrylate containing isocyanate and...
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7053131 |
Absorbent articles comprising supercritical fluid treated HIPE, I-HIPE foams and other foams
The present invention comprises compositions and methods of making high internal phase emulsion foam (HIPE) and inverse high internal phase emulsion foam (I-HIPE) using super critical fluids. Such...
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6894082 |
Foamable compositions
This invention relates to latent foamable compositions for use in or as adhesives, sealants and/or coatings. The compositions include a curable component or a thermoplastic component, together with...
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6890963 |
High internal phase emulsion foams containing polyelectrolytes
This invention relates to foams made by polymerizing high internal phase emulsions (HIPE) containing polyelectrolytes. The emulsions comprise a continuous oil phase and a co- or discontinuous...
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6884866 |
Bulk drying and the effects of inducing bubble nucleation
The present invention discloses apparatus and methods of inducing bubble nucleation to overcome problems commonly associated with preservation by foam formation. Specifically, the invention relates...
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6864295 |
Gas-generating, pressure-sensitive adhesive composition
Disclosed is a gas-generating, pressure-sensitive adhesive composition comprising a pressure-sensitive, ultraviolet irradiation-curable adhesive (A) containing a photoinitiator, wherein the...
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6864301 |
Preparation and use of photopolymerized microparticles
Methods of forming crosslinked polymer particles in situ from polymer precursors such as monomers or oligomers, comprising exposing a composition comprising at least one polymer precursor, a...
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6759080 |
Process for making foams by photopolymerization of emulsions
The invention discloses methods for making foams by photopolymerizing emulsions comprising a reactive phase and a phase immiscible with the reactive phase components. Foams made from water-in-oil...
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6670404 |
Polymeric foam powder processing techniques, foam powders products, and foams produced containing those foam powders
This relates variously to techniques for comminuting polymeric foams, to techniques for preparing polymeric foams containing that comminuted foam, and to the resulting comminuted foam powder and...
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6573305 |
Foams made by photopolymerization of emulsions
The invention discloses methods for making foams by photopolymerizing emulsions comprising a reactive phase and a phase immiscible with the reactive phase components. Foams made from water-in-oil...
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6562878 |
Acoustic baffle with predetermined directional expansion characteristics
Heat-expandable molded synthetic resin seal and baffle components adapted for use in automobile body cavities or the like are provided which are designed to preferentially expand upon heating in...
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6380270 |
Photogenerated nanoporous materials
A composition has a polymeric network that includes a porogen and a photoinitiator. The photoinitiator produces a reactive species upon irradiation, which reacts with the porogen in a degradation...
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6310113 |
Apparatus and methods for producing superabsorbent foams
A method and apparatus for producing superabsorbent foam wherein the method includes forming a reaction mixture comprising a superabsorbent foam forming composition, stirring, and applying...
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6274231 |
Support with super-absorbent material, method for the preparation thereof and use
The invention relates to a support provided with super-absorbent material to be manufactured by causing suitable monomers to polymerize in the presence of a catalyst in order to obtain a polymer...
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6110983 |
Foamed particles of cross-linked aliphatic polyester resins, process for producing them, and foamed moldings obtained from them
Foamed and expanded beads of a crosslinked aliphatic polyester resin having a gel fraction of at least 5% by weight. The expanded beads may be obtained by crosslinking beads of a non-crosslinked...
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6060533 |
Process for making foam articles having good low temperature toughness from high melt strength propyline polymer materials
A foam article is made by (1) irradiating a propylene polymer material selected from the group consisting of (a) a terpolymer of propylene, ethylene, and butene-1, (b) a polyolefin composition that...
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5928582 |
Microporous membranes, method of manufacture
A microporous membrane and method of manufacture is presented utilizing irradiation and thermal induction phase separation techniques. During manufacture, microsphereulites are created by...
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5858501 |
Evacuated insulation panel having non-wrinkled surfaces
There is an evacuated insulation panel comprising a corestock of an open-cell alkenyl aromatic polymer foam and a deformable receptacle. The foam has an open cell content of about 70 percent or...
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5786406 |
Polyolefin based crosslinked foam
A polyolefin based crosslinked foam excellent in impact absorbability, vibration absorbability and heat insulation, which can be used for various kinds of industrial applications such as materials...
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5627219 |
Formed plastic and method of manufacturing the same
A foamed plastic manufactured by foaming a mixture of a resin and a volatile polymerizable foaming agent, wherein the pressure in the foams of the foamed plastic is less than atmospheric pressure,...
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5627217 |
Interfacial polymerization in a porous substrate and substrates functionalized with photochemical groups
A method of preparing a porous article is provided. The method includes: contacting a porous substrate with a first reactant that enters pores of the substrate; and contacting the porous substrate...
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5605936 |
Foamed articles comprising high melt strength propylene polymer material
Disclosed is a normally solid, high molecular weight, non-linear, substantially gel-free, propylene polymer material characterized by high melt strength due to strain hardening which is believed to...
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5591542 |
Battery diaphragm and battery with such a diaphragm
A battery having a positive electrode, a negative electrode is equipped with a diaphragm between the electrodes. The diaphragm includes a hydrophilized polymer porous body with pores in which...
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5496863 |
Method of crosslinking rubber and plastic moldings
A method of crosslinking a rubber or plastic molding is described, which comprises irradiating the molding with electron beams to thereby limitedly crosslink only the surface of the molding. 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 m...
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5399304 |
Microgravity formation of polymeric networks
The present invention is directed to improving thermoplastic and cross-linked polymeric networks. The inventive method comprises forming the polymeric network under gravitational conditions...
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5338765 |
Method of and apparatus for continuously foaming a polyimide powder
A method of and apparatus for continuously foaming a polyimide prepolymer powder which is not susceptible to heating by microwave energy utilize a preheated conveyor belt to heat the powder in...
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5282101 |
Disc drive gasket and method of forming same
A gasket for a disc drive system having a recording media within a sealed housing having top and bottom casing members, a read/write head for transferring information between the recording media...
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5262444 |
Porous plastic film product, useful as a breathable wall covering or filters
The invention relates to a breathable, plastic film, useful as a wall covering material. A low boiling additive, such as water, is added to a plastisol before extrusion. During extrusion and curing...
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5230832 |
Galactomannan-agarose binary gel for nucleic acid electrophoresis
A method for forming an agarose electrophoretic gel by addition of gamma-irradiated clarified galactomannan (γCGM) to optically clarify the gel and improve the electrophoretic fractionation and ...
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5158721 |
Porous membrane formed from interpenetrating polymer network having hydrophilic surface
A porous membrane is formed from an interpenetrating polymer network of a hydrophobic polymer and a polymerized and crosslinked hydrophilic monomeric composition. A solution of the polymer and...
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5110842 |
Electron-beam cured sheet-type foam
An electron-beam cured sheet-type foam comprises: a polypropylene type resin (A) of 100 parts by weight of which main component is polypropylene; a copolymer resin (B) of 5 to 40 parts by weight...
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5106876 |
Water-insoluble hydrogel and method for production thereof by using radiation, freezing and thawing
A water-isoluble hydrogel, obtained by cross-linking a polyvinyl alcohol by itself, a polyvinyl pyrrolidone by itself, and a polyvinyl alcohol and a polyvinyl pyrrolidone as a pair by exposure to...
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5096932 |
Polyimide foam products and methods
Polyimide foam of desired density is produced by adding to a polyimide precursor comprising carboxylic and diamine components at least one foam-enhancing polar, protic additive of the formula ROH,...
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5064867 |
Production of foamed polymer structures
Described are ways of improving the yields of specification grade polyimide foam on a consistent basis from one run to the next, by use of improved microwave-based foaming processes. In one such...
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5057252 |
Method of producing heat-resistant and shape memory formed products
A method of forming a heat-resistant product, produced from a polymer composition comprising 40-70 weight % of a thermoplastic elastomer containing a repeating unit derived from ethylene and a...
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5019295 |
Foamable silicone rubber composition
A foamable silicone rubber composition comprising: (A) a particular diorganopolysiloxane, (B) a powdery silica filler, (C) a particular conductive metallic oxide powder, (D) a foaming agent, and...
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4944902 |
Polyimide compositions and processes
A copolyimide foam comprising the reaction product of one or more of an aromatic tetracarboxylic acid and a compound of the formula: ##STR1## where x is an integer from 1 to 12 and R1, R2, R3 and...
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4902721 |
Foamable thermoplastic polymers and a method for foaming
Foamed products are prepared by subjecting a crosslinked polymer such as an ethylene-carbon monoxide copolymer susceptible to heating by high frequency electromagnetic radiation such as microwave...
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4863647 |
Process for preparation of electrophoresis gel material
Describes a process for controlling the polymerization and cross-linked density of electrophoretic gel products useful for separation of bioorganic molecules, which process utilizes...
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4840756 |
Radiation process for preparation of electrophoresis gel material
Describes a process for controlling the polymerization and cross-linked density of electrophoretic gel products useful for separation of bioorganic molecules, which process does not use initiators...
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4808637 |
Superabsorbent composition and process
The present invention provides an acrylate superabsorbent composition having an improved rate of absorbency, low residual acid content, and a low acrylate monomer content. Acrylic acid, an alkali...
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4771078 |
Method of producing a foam from a radiation-curable composition
This invention relates to a process of producing a cured foamed polymer by mechanically frothing a radiation-curable composition and curing the frothed composition with radiation and using such...
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