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7576138 |
Absorbent articles comprising surface cross-linked superabsorbent polymer particles made by a method using vacuum ultraviolet radiation
A method of surface cross-linking superabsorbent polymer particles using UV irradiation is provided. The method is carried out in a so-called drum reactor, which comprises a hollow drum and an...
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7569618 |
Absorbent articles comprising surface cross-linked superabsorbent polymer particles made by a method using ultraviolet radiation
A method of surface cross-linking superabsorbent polymer particles using UV irradiation is provided. The method is carried out in a so-called drum reactor, which comprises a hollow drum and an...
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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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7022747 |
Method for creating microsphere polymers and particles
A polymeric material is produced by atomizing into droplets a composition containing addition-polymerizable material and reacting the addition polymerizable material in the droplets to produce the...
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6903144 |
Non-aqueous solvent-free process for making UV curable adhesive and sealants from expodized monohydroxylated diene polymers
This invention is a process for making UV curable adhesives, sealants, coatings, ink, flexible printing plates, laminating adhesives, fibers, gaskets, and related compositions, films, and thin...
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6528554 |
Ultrasound assisted continuous process for making polymer blends and copolymers
This invention relates to a process for making polymer blends and copolymers by ultrasonic treatment during or after mixing the polymers. In the process of the present invention, an unexpected...
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6517744 |
Curing composition for forming a heat-conductive sheet, heat-conductive sheet, production thereof and heat sink structure
A heat-conductive sheet comprising a cured or semi-cured binder wherein a carbon fiber is orientated in the direction of the thickness of the heat-conductive sheet. This heat-conductive sheet...
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6395799 |
Electromagnetic and mechanical wave energy treatments of UHMWPE
A process for reducing or quenching free radical concentration in irradiated ultra high molecular weight polyethylene (UHMWPE) using electromagnetic or mechanical wave energy.
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6350790 |
Process for preparing uniformly consistent radiation-curable compositions
The process of the present invention involves forming a series of radiation-curable compositions having uniformly consistent properties. The process involves forming a pre-composition, measuring...
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6340718 |
Method of radiation treatment for fluoropolymer materials
A source of radiation ( 10,12 ), particularly a pulsed accelerated electron beam, directs a beam of radiation through an irradiation chamber ( 14, 50 ). The irradiation chamber is depleted of...
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6242504 |
Crosslinking of radiation-crosslinkable pressure-sensitive adhesive films
A description is given of a method of crosslinking radiation-crosslinkable pressure-sensitive adhesive films by controlled-dose exposure to actinic radiation, which involves exposing the film...
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6140386 |
Aqueous coating compositions, methods for making same and uses thereof
An aqueous unpigmented coating and printing composition useful for gravure and flexographic printing on plastic and metal substrates is provided by preparing an aqueous emulsion of a hydrophobic UV...
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6043294 |
Method of and apparatus for optically enhancing chemical reactions
Chemical reaction is effected utilizing light of an appropriate frequency supplied preferably via optical fibers to one or more light extractors having light-emissive surfaces in contact with...
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5965629 |
Process for modifying surfaces of materials, and materials having surfaces modified thereby
A process for modifying the surfaces of a polymer, ceramic, ITO or glass by irradiating energized ion particles onto the surfaces of the polymer, ceramic, ITO or glass, while blowing a reactive gas...
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5916929 |
Method for irradiating organic polymers
A method for irradiating and modifying high molecular weight organic polymers with high energy radiation so that the radiation impinges only in a distinct pattern which is less than the width of...
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5905138 |
Process for the preparation of copolymers
A process for the preparation of a copolymer of carbon monoxide with an olefinically unsaturated compound in which a powder of a copolymer of carbon monoxide with an olefinically unsaturated...
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5889073 |
Process for producing material with hydrophilic surface
Disclosed is a process for producing a material having hydrophilic surface which comprises forming a hydrophobic photopolymerizable composition comprising a hydrophobic compound (a) having two or...
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5846447 |
Process for forming a dispersion of polytetrafluoroethylene
A process for forming a dispersion of polytetrafluoroethylene particles in a liquid containing a dispersant by passing the mixture through a plurality of nozzles within a liquid-jet interaction...
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5776998 |
Non-aqueous solvent free process for making UV curable adhesives and sealants from epoxidized monohydroxylated diene polymers
The invention herein is a non-aqueous solvent free process for producing UV curable adhesive and sealant compositions comprising a tackifying resin and a monohydroxylated epoxidized polydiene...
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5721286 |
Method for curing polymers using variable-frequency microwave heating
A method for curing polymers (11) incorporating a variable frequency microwave furnace system (10) designed to allow modulation of the frequency of the microwaves introduced into a furnace cavity...
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H001666 |
Method of cross-linking poly(ethylene oxide) and poly[oxymethylene-oligo(oxyethylene)] with ultraviolet radiation
Poly(ethylene oxide) (PEO) and poly[oxymethylene-oligo(oxyethylene)](PEM) disks are cross-linked by exposure to UV radiation. The rate of formation of cross-links is greatly enhanced by the...
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5612387 |
Nonlinear optical material and its method of manufacture
A new nonlinear organic optical material having a high Second Harmonic Generation capability and a method of manufacturing the same is disclosed. Energy-beam sensitive monomer molecules having...
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5608030 |
Process for the preparation of polyacetals
Process for continuous preparation of homo- and copolyoxymethylenes with stable end groups in a homogeneous phase, in which in a tubular reactor with static mixing elements cyclic formaldehyde...
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5594041 |
Methods for increasing structural integrity of polymers and polymers treated by such methods
The present invention provides a method for improving the structural integrity of polymers using a combination of high energy radiation and improved crosslinking agents. The crosslinking agents are...
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5576357 |
One-component reactive resin system comprising a cure-inhibiting glycidyl phosphorus compound
A one-component reactive resin system which is stable in storage but nevertheless can readily be cured completely comprises a mixture of commercially available epoxy resins and...
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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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5455284 |
Process for the production of water-swellable products using superfines of water-swellable polymers
The present invention relates to a process for the production of water-swellable products, using very fine particles of water-swellable polymers, characterized by the following steps: a) the very...
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5442039 |
Mesogenic polycyanates and thermosets thereof
Novel polycyanate and polycyanamide compositions containing one or more rodlike mesogenic moieties, when cured, result in products having improved properties.
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5425884 |
Recovering polyoxyalkylene glycols from wastewater
A method has been discovered for recovering polyoxyalkylene glycols from wastewater. A skimming surface is heated to a temperature above the cloud point. The heated surface is contacted with the...
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5401602 |
Reactive melt mixing process for preparing cross-linked toner resins and toners therefrom
Low fix temperature toner resins are fabricated by a reactive melt mixing process wherein polymer resins are cross-linked at high temperature and high shear. The resins are particularly suitable...
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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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5397671 |
Processes for preparing crosslinked resins and toner compositions therefrom
A reactive melt mixing process for preparing toner resin, comprising: melting a reactive base resin, thereby forming a polymer melt; adding to said polymer melt a free radical initiator compound...
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5384339 |
Epoxy based balancing compound and method for balancing a rotor utilizing an ultraviolet-curable epoxy resin composition
A balancing compound comprising an epoxy resin, a photoinitiator in an effective amount to cure the resin at ambient temperatures upon the application of ultraviolet light (10 nm to 400 nm) of less...
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5373031 |
Styrene-based polymer moldings and process for production thereof
A styrene-based polymer molding is obtained molding a styrene-based polymer having mainly syndiotactic configuration and then irradiating the molding thus obtained with electron rays. This molding...
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5244933 |
Dental compositions which can be prepared and worked by the action of oscillations and method for the preparation thereof
Curable compositions are described which contain a binder and a high propion of fillers having a mean grain size of <50 μm. The filler proportion of the curable compositions is so high that...
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5227460 |
Cross-linked toner resins
A low melt toner resin with low minimum fix temperature and wide fusing latitude contains a linear portion and a cross-linked portion containing high density cross-linked microgel particles, but...
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5185385 |
Polymerization process
Vinyl monomers are polymerized in high yield to water-soluble polymers or copolymers by free radical polymerization of an aqueous reaction mixture containing the vinyl monomer(s), an UV-activated...
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5154861 |
Laser curing of contact lens
A process for curing photopolymerizable contact lens materials with laser radiation having a wavelength in the ultraviolet region.
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5126381 |
Bead processor
A process and apparatus are disclosed for producing polymerized beads containing actives such as perfumes and pesticides, by forming droplets from a solution of monomers and the actives. The...
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5061336 |
Gel casting method and apparatus
A gel casting method and apparatus are used to cause a pre-gelled liquid mixture to gel sequentially in a given travelling direction, allowing still-liquid material to flow to the gelling front,...
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5059635 |
Methods for reducing the reactivity of articles destined for disposal
Containers (20--20) which held UV curable acrylate materials commonly used as coating materials for drawn optical fiber are treated prior to disposal. Because of the presence of acrylate residues...
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5047446 |
Thermal treatment of irradiated propylene polymer material
Disclosed is a method of treating a free-radical-containing, optionally room-temperature-aged, irradiated, normally solid high-molecular-weight, semi-crystalline propylene polymer material at about...
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5004761 |
Process for continuously preparing acrylic polymer gel
A process for continuously and stably preparing an acrylic polymer of a high quality in a high conversion and a high productivity which comprises continuously feeding a synthetic resin film onto a...
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5002707 |
Method for producing superlong conjugated diacetylene polymer
Disclosed in a method for producing polydiacetylene of superhigh molecular weight (i.e., a superlong conjugated polymer) having continuous conjugated bands and a straight chain by spreading an...
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4996282 |
Cationically curable polyurethane compositions having vinyl ether functionality
A cationically curable polyurethane composition comprises the reaction product of an organic polyisocyanate with a transvinylation polyhydric alcohol mixture containing hydroxy groups. The...
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4985128 |
Process for preparation of electrophoresis
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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4874827 |
Production of highly-dispersible water-soluble polymers
The water dispersibility of water-soluble vinyl polymers, for example, polyacrylamides, is improved by incorporating a suitable surfactant in the monomer mixture from which the polymer is formed....
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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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4861617 |
Method of reducing the adhesion of bubbles in medical equipment
A method of reducing the adhesion of bubbles to the surfaces of a medical administration set with which a parenteral liquid comes in contact prior to its introduction into a patient by treating the...
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4857610 |
Process for the continuous production of polymers and copolymers of water-soluble monomers
The present invention relates to a process and an apparatus for the continuous production of polymers and copolymers of water-soluble monomers particularly arcylic acid and/or methacrylic acid,...
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