| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 522113000 | Processes of chemically modifying a solid polymer derived only from ethylenically unsaturated monomers by treating polymer with a chemical reactant; or compositions therefore | 56 |
| 20090062420 | Block Copolymers Having Distinct Isoprene and butadiene Midblocks, Method for Making Same, and Uses For Such Block Copolymers - A block terpolymer for use in photocurable compositions, flexographic printing plates or hot melt adhesives having a molecular structure according to the general formula: | 03-05-2009 |
| 20090099276 | FUNCTIONALIZED CARBON NANOTUBE-POLYMER COMPOSITES AND INTERACTIONS WITH RADIATION - The present invention involves the interaction of radiation with functionalized carbon nanotubes that have been incorporated into various host materials, particularly polymeric ones. The present invention is directed to chemistries, methods, and apparatuses which exploit this type of radiation interaction, and to the materials which result from such interactions. The present invention is also directed toward the time dependent behavior of functionalized carbon nanotubes in such composite systems. | 04-16-2009 |
| 20090286900 | MODIFIED NATURAL RUBBER, METHOD FOR PRODUCING MODIFIED NATURAL RUBBER, RUBBER COMPOSITION, AND TIRE - The present invention provides a modified natural rubber obtained by adding a compound to at least one natural rubber raw material selected from the group consisting of a solid natural rubber, a natural rubber latex, and a natural rubber derivative and then irradiating the mixture of the natural rubber raw material and the compound with microwaves to graft-polymerize or attach the compound to the natural rubber raw material, a method for producing the modified natural rubber, a rubber composition containing the modified natural rubber, and a tire produced using the rubber composition. | 11-19-2009 |
| 20100120937 | SEMICONDUCTOR DEVICE - Disclosed is a semiconductor device having a wafer level package structure which is characterized by containing a resin layer composed of a resin composition which is curable at 250° C. or less. Such a semiconductor device having a wafer level package structure is excellent in low stress properties, solvent resistance, low water absorbency, electrical insulation properties, adhesiveness and the like. | 05-13-2010 |
| 20110039970 | PRESSURE-SENSTIVE ADHESIVES AND PROCESS FOR PREPARING THEM - The invention relates to a process for preparing a pressure-sensitive adhesive based on at least one polymer, in the course of which said at least one polymer is crosslinked, the polymer having functional groups Y and having been admixed, further, with at least one kind of functionalized particles which have at least one nonpolymeric base unit, wherein the particles having a surface modification of the base unit, the surface modification of the particles having at least one kind of functional groups X, and the crosslinking of the polymer being brought about at least in part by a reaction of the functional groups X of the particles and the functional groups Y of the polymer, and further to pressure-sensitive adhesives based on at least one crosslinked polymer component, the crosslinking of the polymer component being brought about at least in part by incorporation of the functionalized particles, the particles having at least one nonpolymeric base unit and also a surface modification of this base unit, and the surface modification of the particles having at least one kind of functional groups X which are capable of reacting with functional groups Y present in the polymer component, and also to the use of surface-modified functionalized particles having a nonpolymeric base unit as crosslinking reagents for crosslinking polymers for preparing pressure-sensitive adhesives. | 02-17-2011 |
| 20120010318 | POLYPROPYLENE FOR FILM CAPACITOR, POLYPROPYLENE SHEET FOR FILM CAPACITOR, METHOD FOR PRODUCING THE SAME, AND USES OF THE SAME - A polypropylene for a film capacitor or a polypropylene sheet for a film capacitor which exhibits excellent stretchability when stretched into a film and provides a film having high breakdown voltage and small thermal shrinkage ratio, and which is suitable for a polypropylene film for a film capacitor and a film capacitor comprising the film. | 01-12-2012 |
| 20120029109 | PRODUCING COMPOSITE NANOPARTICLES CONTAINING ORGANIC IONS - A method for producing a composite nanoparticle, including the steps of, collapsing at least a portion of a polyelectrolyte polymer in solution about one or more precursor moieties to form a composite precursor moiety having a mean diameter in the range between about 1 nm and about 100 nm, wherein the polyelectrolyte polymer has an extended conformation in a first solution state and a more compact conformation in a second solution state; and cross-linking the polyelectrolyte polymer of the composite precursor moiety to form a composite nanoparticle wherein the precursory moiety is a charged organic ion. | 02-02-2012 |
| 20130172439 | POLYMERIC COMPOSITION - There is described a substantially solid, solvent free, radiation curable composition comprising a) optionally from 0.1% to 99.9% by weight of a colorant; and b) from 0.1% to 99.9% of radiation curable polymer obtained and/or obtainable from at least one mono-(terminal functional forming) monomer of formula I: R | 07-04-2013 |
| 20130210955 | RESIN COMPOSITE MATERIAL AND METHOD FOR PRODUCING RESIN COMPOSITE MATERIAL - Provided is a resin composite material in which a carbon material with a graphene structure is dispersed in a synthetic resin and which has a high mechanical strength and a low linear expansion coefficient and a method for producing the resin composite material. A resin composite material contains a synthetic resin and a carbon material with a graphene structure dispersed in the synthetic resin, wherein the synthetic resin is grafted onto the carbon material and the grafting ratio thereof onto the carbon material is 5% to 3300% by weight. A method for producing a resin composite material includes the steps of: preparing a resin composite containing a synthetic resin and a carbon material with a graphene structure dispersed in the synthetic resin; and grafting the synthetic resin onto the carbon material concurrently with or after the step of preparing the resin composite. | 08-15-2013 |
| 20140018462 | METHOD FOR PRODUCING ETHYLENE-VINYL ALCOHOL COPOLYMER RESIN, ETHYLENE-VINYL ALCOHOL COPOLYMER RESIN, AND LAMINATE - Provided are a method for producing an EVOH resin having sufficient long-run workability in melt molding and enabling prevention of coloring such as yellowing, an EVOH resin obtained by this method for production, and a laminate obtained from this resin. Additionally, a method for producing an ethylene-vinyl alcohol copolymer resin capable of efficiently drying while inhibiting deterioration of qualities is provided. The method for producing an ethylene-vinyl alcohol copolymer resin of the present invention includes a step of irradiation with an infrared ray for irradiating with an infrared ray an ethylene-vinyl alcohol copolymer or an ethylene-vinyl ester copolymer that is a precursor of the ethylene-vinyl alcohol copolymer. | 01-16-2014 |
| 20140080938 | POLYMER COMPOUNDS HAVING COUPLED COMPONENTS - Intermediate products (compounds, semi-finished goods) for polymer materials having coupled components, to the polymer materials based on the intermediate products, and to the components to be manufactured therefrom. A method for producing intermediate products, polymer materials and components, and to the use thereof. | 03-20-2014 |
| 522114000 | Chemical reactant is ethylenically unsaturated | 27 |
| 20130158154 | COAGENT FOR FREE RADICAL CURING FLUOROELASTOMERS - Disclosed herein are curable compositions comprising a free radical curable fluoroelastomer, a free radical generating compound and an unsaturated metal compound coagent. Such compositions cure well, exhibit good (i.e. low) compression set resistance and process well (i.e. have reduced polymer viscosity compared to similar compositions not containing the unsaturated metal compound coagent). | 06-20-2013 |
| 20130158155 | COAGENT FOR FREE RADICAL CURING CHLOROROELASTOMERS - Disclosed herein are curable compositions comprising a chloroelastomer, a free radical generating compound and an unsaturated metal compound coagent. Such compositions cure well, exhibit good (i.e. low) compression set resistance and process well (i.e. have reduced polymer viscosity compared to similar compositions not containing the unsaturated metal compound coagent). | 06-20-2013 |
| 20140256840 | CARBON NANOTUBE (CNT) MATERIALS HAVING INCREASED THERMAL AND ELECTRICAL CONDUCTIVITY - A structure having a carbon nanotube material having a plurality of carbon nanotubes and an electrically or thermally conductive material disposed on at least a portion of the carbon nanotubes, such electrically or thermally conductive material being chemically bonded to such portion of the carbon nanotubes. | 09-11-2014 |
| 20160075867 | COMPOSITIONS, CONTAINING THERMOPLASTICS BASED ON POLYVINYL CHLORIDE AND CONTAINING CROSS-LINKED NBR MICROGELS MODIFIED WITH HYDROXYL GROUPS - The present invention relates to a composition obtainable by mixing to incorporate at least one microgel (B) that has been crosslinked by means of free-radical generators photochemical by using a wavelength>0.1 μm and/or thermally and that contains hydroxy groups and that is based on polybutadiene-acrylonitrile copolymers (NBR) into polyvinyl chloride (PVC) in an extruder, to processes for production thereof and to use thereof for reproduction of transparent thermoplastically processable moulded items, and also to moulded items produced from the said compositions. | 03-17-2016 |
| 522115000 | Phosphorus | 2 |
| 20110009517 | CURABLE COMPOSITION - An object of the present invention is to provide an active-energy-curable composition having an appropriate adhesive property onto a substrate and an excellent curability, and a cured product thereof. The object is solved by a curable composition comprising: (a) a vinyl polymer having, in any single molecule thereof, at least one group represented by the following general formula (1) at a molecular terminal thereof: | 01-13-2011 |
| 20140194547 | SURFACE MODIFICATION METHOD AND SURFACE-MODIFIED ELASTIC BODY - The present invention aims to provide a method for surface-modifying a rubber vulcanizate or a thermoplastic elastomer, which is capable of cost-effectively imparting a variety of functions, such as sliding properties and biocompatibility, according to the applications. The present invention relates to a surface modification method for surface-modifying an object of a rubber vulcanizate or a thermoplastic elastomer, the method including: step 1 of forming polymerization initiation points A on a surface of the object; step 2 of radically polymerizing a non-functional monomer, starting from the polymerization initiation points A, to grow non-functional polymer chains; step 3 of forming polymerization initiation points B on the surface of the object where the non-functional polymer chains are formed; and step 4 of radically polymerizing a functional monomer, starting from the polymerization initiation points B, to grow functional polymer chains. | 07-10-2014 |
| 522116000 | Nitrogen | 4 |
| 20100298461 | Radically Coupled PTFE Polymer Powder and Method for the Production Thereof - The invention relates to the field of chemistry and relates to radically coupled PTFE polymer powders that can be used, for example, as tribomaterials, and a method for the production thereof. The object of the invention is to disclose radically coupled PTFE polymer powders which, when incorporated into a matrix as PTFE polymer compound, exhibit improved wear resistances, and furthermore a simple and efficient method for the production thereof. The object is attained through radically coupled PTFE polymer powders comprising radiation-chemically and/or plasma-chemically modified PTFE powders, onto the particle surface of which homopolymers, copolymers or terpolymers are radically coupled via a reaction in dispersion or in substance. The object is further attained through a method in which PTFE powders with reactive perfluoroalkykperoxy) radical centers after a radiation-chemical and/or plasma-chemical modification are reacted in dispersion or in substance with the addition of polymerizable, olefinically unsaturated monomers, whereby during the reaction a polymer-forming reaction is. | 11-25-2010 |
| 20100331441 | FUNCTIONALIZATION OF ORGANIC SURFACES - The present invention relates to functionalizing a surface of an organic material. For example, surfaces of materials having C—H bonds, such as polymers having C—H bonds, can be functionalized. In certain embodiments, a heterobifunctional molecule having a photoactive anchor, a spacer, and a terminal functional group is applied to the surface of an organic material that contains one or more C—H bonds. The heterobifunctional molecule can be bound to any surface having C—H bonds as the photoactive anchor can react with C—H bonds upon irradiation. The terminal functional group has a “click” functionality which can be utilized to functionalize the surface of the organic material with any desired functionalizing moiety having the orthogonal click functionality. | 12-30-2010 |
| 20130331475 | MODIFIED NATURAL RUBBER, METHOD FOR PRODUCING MODIFIED NATURAL RUBBER, RUBBER COMPOSITION, AND TIRE - The present invention provides a modified natural rubber obtained by adding a compound to at least one natural rubber raw material selected from the group consisting of a solid natural rubber, a natural rubber latex, and a natural rubber derivative and then irradiating the mixture of the natural rubber raw material and the compound with microwaves to graft-polymerize or attach the compound to the natural rubber raw material, a method for producing the modified natural rubber, a rubber composition containing the modified natural rubber, and a tire produced using the rubber composition. | 12-12-2013 |
| 20140024736 | POLYMER ARTICLES HAVING CHEMICALLY BONDED AGENTS AND METHODS OF MAKING THE SAME - Modified polymeric articles having modifying agents dispersed within and bonded to an interior region of the article. Methods of modifying polymer materials used to form polymeric articles, and methods of making polymeric articles from polymer particles having modifying agents bonded thereto. | 01-23-2014 |
| 522120000 | Oxygen | 14 |
| 20100081727 | PROCESS FOR PREPARING ENE ADDUCTS - Preparation of ene adducts, especially polyisobutylsuccinic anhydrides, by thermally reacting olefins (“enes”), especially polyisobutylenes, with vinylic carbonyl compounds (“enophiles”), especially maleic anhydride, using microwave radiation. | 04-01-2010 |
| 20110105637 | ADHESIVE ENCAPSULATING COMPOSITION AND ELECTRONIC DEVICES MADE THEREWITH - Adhesive encapsulating compositions for use in electronic devices such as organic electroluminescent devices, touch screens, photovoltaic devices, and thin film transistors are disclosed herein. The adhesive encapsulating compositions include pressure sensitive adhesives comprising one or more polyisobutylene resins, in combination with optional multifunctional (meth)acrylate monomers and/or optional tackifiers. | 05-05-2011 |
| 20110237703 | PROCESS FOR PRODUCING PHOTOCURABLE MATERIAL, PHOTOCURABLE MATERIAL AND ARTICLE - To provide a photocurable material which can form a cured product having a high transparency and a high refractive index, a process for producing the material easily, and an article having a high transparency and a high refractive index. | 09-29-2011 |
| 20120115976 | UV-CURABLE OPTICAL RESIN ADHESIVE COMPOSITION - A UV-curable optical resin adhesive composition is provided, which is excellent in transparency, adhesive reliability and durability and suitable for rework (repair) without an adverse influence on the brightness, the contrast and the Quality of a display image. The UV-curable optical resin adhesive composition is used for filling a gap between an image display panel and a protective cover plate, and comprises: (A) an acryl polymer having a (meth)acryloyl group at its side chain; and (B) a photopolymerization initiator. | 05-10-2012 |
| 20130150481 | COMPOSITIONS COMPRISING A REACTIVE MONOMER AND USES THEREOF - Disclosed herein are compositions that include at least one reactive monomer that includes a lactam functional group and an ester functional group represented by formula (1): and a reactive co-solvent having a carbon-carbon double bond. The reactive monomer is one that is capable of reacting with the co-solvent to form a polymer. The compositions may be an ink composition including curable ink compositions. | 06-13-2013 |
| 20130197121 | METHOD OF MAKING CROSSLINKED POLYMERIC MATERIAL FOR ORTHOPAEDIC IMPLANTS - A method for making a crosslinked polymeric material for use in an orthopaedic device is described. The method may include the use of one or more crosslinking enhancers to enhance the crosslinking process. | 08-01-2013 |
| 20140113988 | RESIN COMPOSITE MATERIAL AND METHOD FOR PRODUCING RESIN COMPOSITE MATERIAL - To provide a resin composite material in which aggregation of silane compounds in the resin is suppressed and the linear expansion coefficient is lowered, and a method for producing the resin composite material. A resin composite material containing a resin and a silane compound | 04-24-2014 |
| 20160130482 | SELF-WETTING ADHESIVE COMPOSITION - This disclosure provides novel adhesive compositions comprising a highly crosslinked and plasticized low T | 05-12-2016 |
| 522121000 | Chemical reactant has two or more ethylenic groups | 4 |
| 20130184371 | VINYL ETHER FUNCTIONAL OLIGOMERS AND METHODS FOR MAKING AND USING SAME - The present invention includes vinyl ether functional oligomers and methods for their preparation, the method including alternating free radical copolymerization of a dialkyl maleate or dialkyl fumerate monomer with a multifunctional vinyl ether monomer in the presence of a solvent with a high chain transfer constant. Also within the scope of the invention are uses for the vinyl ether functional oligomers compositions of this invention, including radiation curable coatings, adhesives, printing inks and composites. | 07-18-2013 |
| 20140039085 | DEGRADABLE THIOL-ENE POLYMERS - A thiol-ene polymeric material is disclosed. The material is produced by the photopolymerization of reactants having thiol and olefin moieties. The material can incorporate encapsulated components, including cells. Additionally, the material can be derivatized by reacting the polymeric material with components such as proteins. | 02-06-2014 |
| 20140073717 | PHOTOREACTIVE POLYMER - A description is given of a photoreactive polymer preparable by radical polymerization using at least one photoreactive monomer, where the photoreactive monomer has at least one radically polymerizable C—C double bond, at least one hydrophilic group selected from an ethylene glycol group and polyethylene glycol groups having at least 2 ethylene glycol units, and at least one photoreactive group, the photoreactive group being a photoenolizable carbonyl group. | 03-13-2014 |
| 20140179823 | ACRYLIC DISPERSIONS WITH MULTI-FUNCTIONAL ACRYLATES FOR UV-CURE COATINGS - The present invention provides low solvent or substantially solvent-free multi-ethylenically unsaturated acrylate composition imbibed particles of an acid functional group containing acrylic polymer for ultraviolet curing coating applications and methods of making the same wherein the acrylic polymer is formed by polymerizing in organic solvent, then neutralized and combined with a multi-ethylenically unsaturated acrylate composition prior to dispersing the mixture into water and, preferably, removing solvent. | 06-26-2014 |
| 522122000 | Hetero oxygen | 1 |
| 20100305232 | GRAFTING ONTO A POLYAMIDE POWDER BY GAMMA-IRRADIATION - The subject of the invention is a process for producing polyamide, copolyamide, polyolefin, copolyester amide or fluorocarbon resin powder particles on to the surface of which has been grafted at least one functionalized grafting monomer, characterized in that it comprises:
| 12-02-2010 |
| 522123000 | Contains C-OH group other than as part of a COO-moiety | 1 |
| 20140155513 | Methods of Forming Compositions and Articles - A method for forming a composition comprising a propylene-based polymer and a co-agent is provided. The method comprises introducing a propylene-based polymer to an extruder and introducing the co-agent to the extruder at a position within the extruder where the temperature is from 23° C. to 125° C. | 06-05-2014 |
| 522125000 | Carbon and hyrogen only | 3 |
| 20090182066 | CROSSLINKABLE FLUOROPOLYMER, CROSSLINKED FLUOROPOLYMERS AND CROSSLINKED FLUOROPOLYMER MEMBRANES - Crosslinkable polymers and crosslinked fluoropolymers are prepared from selected fluorinated dienes and monomers containing Br and I. Also disclosed are proton conductive membranes of these crosslinked fluoropolymers. | 07-16-2009 |
| 20100197822 | REDUCED CREEP HIGH MOLECULAR WEIGHT POLYETHYLENE AND METHODS FOR FORMING THE SAME - A method for forming reduced creep high molecular weight polyethylene articles, involves irradiating a high molecular weight polyethylene fiber or block, where the polyethylene is polycrystalline with a preferred crystal orientation. The fiber or block is irradiated in an environment including a molecule with a dual reactive functionality to provide cross-linking in the amorphous regions and/or on the surface and an inert gas at a temperature that is below an average alpha transition temperature of the polyethylene. The irradiation can be carried out on a polyethylene fiber by drawing a fiber through a solution containing a grafting agent that can include a molecule with a dual reactive functionality to primarily apply and cross-link the grafting material to the surface of the fiber. The resulting high molecular weight polyethylene article is highly cross linked and includes a plurality of substantially aligned crystals, the article providing an X-ray diffraction pattern evidencing only 2 sharp reflections. | 08-05-2010 |
| 20120077899 | PREPARATION OF FUNCTIONAL STAR MACROMOLECULES - A process for constructing multi-arm star macromolecules with uniform properties, high molecular weight and narrow molecular weight distribution using free radical polymerization is described. | 03-29-2012 |
| 522126000 | Chemical reactant contains nitrogen | 3 |
| 20110124766 | METHOD OF ULTRAVIOLET LIGHT ASSISTED SURFACE MODIFICATION AN PRODUCT HAVING A SURFACE FORMED BY THIS METHOD - The present invention relates to a UV irradiation assisted method of surface modification, which comprises: introducing a functional group L onto the surface of a polymer material P through the photochemical reaction of a photosensitive group X under UV irradiation, wherein the photosensitive group X comprises at least one xanthone unit. | 05-26-2011 |
| 20120322910 | RADIATION CURABLE POLY(ISOBUTYLENE) ADHESIVE COPOLYMERS HAVING PENDENT AMINE GROUPS - The disclosure provides pressure-sensitive adhesives and adhesive sealants prepared from amine-modified, crosslinked isobutylene copolymers, and tape articles prepared therefrom. | 12-20-2012 |
| 20130102699 | Radiation Curable Poly(isobutylene) Adhesive Copolymers Having Pendent Amine Groups - The disclosure provides pressure-sensitive adhesives and adhesive sealants prepared from amine-modified, crosslinked isobutylene copolymers, and tape articles prepared therefrom. | 04-25-2013 |
| 522127000 | Chemical reactant contains sulfur | 3 |
| 20110230585 | PHOTO-CURABLE RESIN COMPOSITION FOR ULTRAVIOLET LIGHT-LED IRRADIATION - A photo-curable resin composition for the UV-LED light source, which is rapidly cured and particularly has excellent surface curing property, is disclosed. The resin composition contains (a) polybutadiene (meth)acrylate; (b) a polythiol compound; and (c) a photo radical initiator and is photo-curable by an irradiation with an ultraviolet light-LED. Accordingly, production efficiency can be significantly increased in the production of liquid crystal displays and electrical and electronic components. | 09-22-2011 |
| 20140088217 | Hydrothiolation of Vinyl-Terminated Macromonomers With Thiol-Containing Compounds - This invention relates to a polyolefin composition comprising one or more of the following formulae: | 03-27-2014 |
| 20160009850 | PHOTOCHEMICAL PREPARATION OF HYDROXYL-TERMINATED POLYISOBUTYLENES AND RELATED METHODS AND USES | 01-14-2016 |
| 522129000 | Chemical reacant contains oxygen | 10 |
| 20090170975 | PHOTORADICAL- AND PHOTOCATION-CURABLE COMPOSITION - The present invention has its object to provide a photoradical- and photocation-curable composition improved in curability.
| 07-02-2009 |
| 20100190882 | METHODS FOR MAKING OXIDATION-RESISTANT CROSS-LINKED POLYMERIC MATERIALS - The present invention relates to methods for making cross-linked oxidation-resistant polymeric materials and preventing or minimizing in vivo elution of antioxidant from the antioxidant-containing polymeric materials. The invention also provides methods of doping polymeric materials with a spatial control of cross-linking and antioxidant distribution, for example, vitamin E (α-Tocopherol), and methods for extraction/elution of antioxidants, for example, vitamin E (α-tocopherol), from surface regions of antioxidant-containing polymeric materials, and materials used therewith also are provided. | 07-29-2010 |
| 20130274367 | SURFACE MODIFICATION METHOD, SURFACE-MODIFIED ELASTIC BODY, GASKET FOR INJECTOR, INJECTOR, AND TIRE - Provided are: surface modification method for imparting slidability to surface of elastic body such as vulcanized rubber or thermoplastic elastomer without using expensive self-lubricating resin; surface-modified elastic body with polymer brush formed on its surface; and gasket for injector and injector formed of surface-modified elastic body. The surface modification method applies to surface of thermoplastic elastomer or vulcanized rubber. The surface modification method comprises the step of forming hydroxyl group on surface of to-be-modified object such as rubber so that water contact angle of the surface becomes 8 to 50 degrees smaller than original water contact angle in unmodified condition, the step of forming polymerization initiation site by subjecting the hydroxyl group to action of secondary or tertiary organic halide, and the step of growing polymer brush on the surface of to-be-modified object by subjecting monomer to radical polymerization at the polymerization initiation site acting as a point of initiation. | 10-17-2013 |
| 20130274368 | Continuous Process For Esterifying Polymers Bearing Acid Groups - The invention accordingly provides a continuous process for reacting synthetic poly(carboxylic acid)s (A) containing, per polymer chain, at least 10 structural repeat units of formula (I) | 10-17-2013 |
| 20130303652 | Fluoropolymer Dispersion Treatment Employing Light and Oxygen Source in Presence of Photocatalyst to Reduce Fluoropolymer Resin Discoloration - Process for reducing thermally induced discoloration of fluoropolymer resin produced by polymerizing fluoromonomer in an aqueous dispersion medium to form aqueous fluoropolymer dispersion and isolating said fluoropolymer from said aqueous medium to obtain said fluoropolymer resin. The process comprises:
| 11-14-2013 |
| 20160145416 | ANTIOXIDANT STABILIZED CROSSLINKED ULTRA-HIGH MOLECULAR WEIGHT POLYETHYLENE FOR MEDICAL DEVICE APPLICATIONS - An antioxidant combined with UHMWPE prior to subjecting the UHMWPE to crosslinking irradiation. In one exemplary embodiment, the antioxidant is tocopherol. After the antioxidant is combined with the UHMWPE, the resulting blend may be formed into slabs, bar stock, and/or incorporated into a substrate, such as a metal, for example. The resulting product may then be subjected to crosslinking irradiation. In one exemplary embodiment, the UHMWPE blend is preheated prior to subjecting the same to crosslinking irradiation. Once irradiated, the UHMWPE blended product may be machined, packaged, and sterilized in accordance with conventional techniques. | 05-26-2016 |
| 20160167969 | METHOD FOR MANUFACTURING EXFOLIATED GRAPHITE DERIVATIVE, AND METHOD FOR MANUFACTURING EXFOLIATED GRAPHITE-RESIN COMPOSITE MATERIAL | 06-16-2016 |
| 522130000 | Contains C=O moiety | 3 |
| 20130296457 | Method For Modifying Polymers Comprising Hydroxyl Groups - The invention relates to a method for reacting polymers (A) comprising hydroxyl groups and which have repetitive structural units of general formula (I), wherein D represents a direct bond between the polymer backbone and a hydroxyl group, a C | 11-07-2013 |
| 20140018463 | MODIFICATION OF BIOMEDICAL POLYMERS FOR PREVENTION OF FOULING AND CLOTTING - A surface-modified polymer is described, comprising a polymeric material and a self-assembling monolayer covalently bound thereto. The monolayer comprises monoethylene glycolated-OH (MEG-OH); 2-(3-trichlorosilyl-propyloxy)-ethyl-trifluoroacetate (7-OEG or MEG-TFA); 2,2,2-trifluoroethyl-13-trichlorosilyl-tridecanoate (TTTA); OEGylated TTTA (OEG-TTTA); S-(2-(2-(2-(3-trichlorosilyl-propyloxy)-ethoxy)-ethoxy)-ethyl)-benzenethiosulfonate (OEG-TUBTS); or a combination thereof. Methods are described for forming a surface-modified polymer by surface activation, such as with plasma. By utilizing the surface-modified polymer to make medical equipment or devices for contacting biological fluids, a reduction in surface fouling and thrombus formation can result. Advantageously, polymeric equipment or components so modified may have a reduction in unwanted chemical interactions leading to fouling or clotting. Short trichlorosilane surface modifiers allow films to be deposited onto poly(ethylene terephthalate), polycarbonate, polypropylene, polyvinyl chloride, polyurethane, and other polymers activated using plasma. | 01-16-2014 |
| 20150376304 | POLYMERIC MATERIALS WITH RESPONSIVE ADHESION AND/OR MECHANICAL PROPERTIES - Methods of adjusting the mechanical properties of a polymeric material may include forming a polymer network having a plurality of permanent cross-links and coupled to a plurality of reversible cross-links, wherein the polymer network has a shear storage modulus of greater than about 4×10 | 12-31-2015 |
| 522131000 | Chemical reactant is elemental halogen | 2 |
| 522132000 | Solid polymer treated contains halogen | 2 |
| 20140309325 | METHOD FOR PRODUCING CHLORINATED VINYL CHLORIDE RESIN - A method for producing a chlorinated vinyl chloride resin of the present invention includes chlorinating a vinyl chloride resin by irradiating the inside of a reactor, into which the vinyl chloride resin and chlorine have been introduced, with ultraviolet light, thereby producing a chlorinated vinyl chloride resin. The irradiation of ultraviolet light is carried out through use of at least one kind of light source selected from the group consisting of an ultraviolet LED, an organic EL, an inorganic EL, and an ultraviolet laser. A chlorinated vinyl chloride resin that shows suppressed initial coloring during hot forming and/or improved thermal stability can be provided by the method for producing a chlorinated vinyl chloride resin of the present invention. | 10-16-2014 |
| 20150148445 | METHOD AND APPARATUS FOR PRODUCING CHLORINATED VINYL CHLORIDE-BASED RESIN - According to a method of the present invention for producing a CPVC resin, the method includes the steps of: introducing chlorine into a slurry of a PVC resin in a first tank; transferring, from the first tank to a second tank, the slurry into which chlorine has been introduced; and irradiating, with UV light, the slurry in the second tank. This method improves an amount of chlorine dissolved into the slurry of the PVC resin and consequently, improves production efficiency of the CPVC resin. | 05-28-2015 |
