| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 523468000 | Elemental carbon DNRM | 41 |
| 20080242768 | Resin Composition for Encapsulation and Semiconductor Unit Encapsulated with Resin - A resin composition for encapsulation, which contains 100 parts by weight of a synthetic resin, 10 to 500 parts by weight of a carbon precursor having a volume resistivity of 10 | 10-02-2008 |
| 20090215929 | Method for Producing Fiber-Reinforced Thermally Meltable Epoxy Resin - Disclosed herein are a method for producing a fiber-reinforced thermally meltable epoxy resin having excellent heat resistance using a thermally meltable epoxy resin having a high melting initiation temperature and a fiber-reinforced plastic molded by the method. The method for producing a fiber-reinforced thermally meltable epoxy resin comprises the steps of: (I) impregnating reinforcing fibers with a compound (A) having two epoxy groups in one molecule and a compound (B) having two phenolic hydroxyl groups in one molecule; and (II) linearly polymerizing the compounds (A) and (B) impregnated into the reinforcing fibers by polyaddition reaction, wherein at least a part of the compound (A) and/or at least a part of the compound (B) are/is a compound having a fluorene skeleton, and the compound (A) and the compound (B) are mixed in such a ratio that the number of moles of epoxy groups in the compound (A) is 0.9 to 1.1 times the number of moles of phenolic hydroxyl groups in the compound (B). | 08-27-2009 |
| 20100125113 | SELF-HEALING AND SCRATCH RESISTANT SHAPE MEMORY POLYMER SYSTEM - An exemplary embodiment discloses a polymer system including a shape memory polymer material and a graphene material. | 05-20-2010 |
| 20100197832 | ISOLATED NANOTUBES AND POLYMER NANOCOMPOSITES - A method for producing a nanocomposite, the nanocomposite comprises at least one nanofiller, wherein said nanofiller comprises at least one nanotube, and a medium comprising a polymeric matrix. Further, the nanotube comprises at least one exfoliated nanotube. The method comprises agglomerating at least one nanotube from a nanotube and nanoplatelet dispersion in a solvent. Additionally, the method comprises redispersing at least one nanotube in a matrix precursor solution. | 08-05-2010 |
| 20100204364 | ROLL COVER MATERIAL, USE THEREOF FOR PREPARING A COVER LAYER, AND METHOD OF MANUFACTURING AN ELASTIC ROLL COVER - The present invention relates to a roll cover material comprising a polymer matrix consisting of at least one elastomeric material and at least one stiffening agent on the basis of a nanomodified polymer material, the use thereof for preparing the outermost cover layer of a roll and a method of manufacturing an elastic roll cover. | 08-12-2010 |
| 20100210760 | PROCESS FOR MANUFACTURING MODIFIED CONJUGATED DIENE POLYMER, COMPOSITION COMPRISING THE POLYMER, AND TIRE COMPRISING THE COMPOSITION - The present invention has an object to provide a conjugated diene-based polymer, subjected to a vulcanization treatment to make a vulcanized rubber, the vulcanized rubber useful as a material for tire treads excellent in the balance among wet skid characteristics, low hysteresis loss, abrasion resistance, breaking strength and rigidity, and to provide its manufacturing process. According to the present invention, there is provided the process for manufacturing a modified conjugated diene-based polymer having a modifying group in its molecule, the process including a step of obtaining a conjugated diene-based polymer by polymerizing a conjugated diene compound, or a conjugated diene compound and an aromatic vinyl compound, by using an alkaline metal-based initiator or an alkaline earth metal-based initiator in a hydrocarbon solvent, and a step of reacting active terminals of the polymer with a glycidylamino group-containing low molecular compound having two or more tertiary amino groups and three or more glycidyl groups bonded to the amino groups in a molecule of the compound, and an oligomer of a dimmer or more of the low molecular compound as modifying agents, wherein the reaction is performed using 75 to 95% by mass of the low molecular compound and 25 to 5% by mass of the oligomer based on the total amount of the modifying agents. | 08-19-2010 |
| 20100311872 | Aqueous Dispersions And Methods Of Making Same - The present invention, in one aspect, provides aqueous dispersions of carbon nanotubes. In some embodiments such aqueous dispersions can be applied to fiber glass strands to impart one or more electrically conductive properties to the fiber glass strands. | 12-09-2010 |
| 20110160346 | DISPERSION OF CARBON NANOTUBES BY MICROFLUIDIC PROCESS - Improved mechanical properties of carbon nanotube (CNT)-reinforced polymer matrix nanocomposites are obtained by functionalizing the CNTs with a compound that bonds well to an epoxy matrix before dispersing the solution using a microfluidic process. Well-dispersed particles are obtained that sufficiently improve mechanical properties of the nanocomposites, such as flexural strength and modulus. The resulting composite material is used for coatings on marine vessels. | 06-30-2011 |
| 20120065299 | Reactive graphtic carbon nanofiber reinforced polymeric composites - Composites comprising at least one graphite-carbon nanofiber (GCNF) and a polymer phase covalently linked to a surface thereof. | 03-15-2012 |
| 20120065300 | CNT-INFUSED FIBER AND METHOD THEREFOR - A carbon nanotube-infused fiber and a method for its production are disclosed. Nanotubes are synthesized directly on a parent fiber by first applying a catalyst to the fiber. The properties of the carbon nanotube-infused fiber will be a combination of those of the parent fiber as well as those of the infused carbon nanotubes. | 03-15-2012 |
| 20120129980 | STRUCTURAL ADHESIVE COMPOSITIONS - Disclosed herein are compositions including (a) a first component comprising (1) an epoxy-adduct that is the reaction product of reactants comprising a first epoxy compound, a polyol, and an anhydride and/or a diacid and (2) a second epoxy compound; (b) rubber particles having a core/shell structure and/or graphenic carbon particles; and (c) a second component that chemically reacts with the first component at ambient or slightly thermal conditions. Also disclosed herein are compositions including (a) an epoxy-capped flexibilizer; (b) a heat-activated latent curing agent; and optionally (c) rubber particles having a core/shell structure and/or graphenic carbon particles; (d) an epoxy/CTBN adduct; and/or (e) an epoxy/dimer acid adduct. | 05-24-2012 |
| 20120220695 | Carbon Nanotube Reinforced Nanocomposites - A combination of multi-walled carbon nanotubes and single-walled carbon nanotubes and/or double-walled carbon nanotubes significantly improves the mechanical properties of polymer nanocomposites. Both flexural strength and flexural modulus of the MWNTs and single-walled carbon nanotubes and/or double-walled carbon nanotubes co-reinforced epoxy nanocomposites are further improved compared with same amount of either single-walled carbon nanotubes and/or double-walled carbon nanotubes or multi-walled carbon nanotubes reinforced epoxy nanocomposites. Besides epoxy, other thermoset polymers may also work. | 08-30-2012 |
| 20120277350 | SELF-HEALING AND SCRATCH RESISTANT SHAPE MEMORY POLYMER SYSTEM - An exemplary embodiment discloses a polymer system including a shape memory polymer material and a graphene material. | 11-01-2012 |
| 20120322917 | FOAMS OF GRAPHENE, METHOD OF MAKING AND MATERIALS MADE THEREOF - Method for making a liquid foam from graphene. The method includes preparing an aqueous dispersion of graphene oxide and adding a water miscible compound to the aqueous dispersion to produce a mixture including a modified form of graphene oxide. A second immiscible fluid (a gas or a liquid) with or without a surfactant are added to the mixture and agitated to form a fluid/water composite wherein the modified form of graphene oxide aggregates at the interfaces between the fluid and water to form either a closed or open cell foam. The modified form of graphene oxide is the foaming agent. | 12-20-2012 |
| 20130059947 | CARBON NANOTUBE-REINFORCED NANOCOMPOSITES - Carbon nanotubes (CNTs) are so long that they cannot be penetrated inbetween carbon fibers during a prepreg preparation process, and are shortened in order for them not to be filtered out by the carbon fibers. This results in a huge improvement of the mechanical properties (flexural strength and flexural modulus) compared with neat epoxy. | 03-07-2013 |
| 20130090414 | COMPOSITE MATERIALS - A process for the manufacture of a cured composite material, the process comprising the steps of blending together a liquid curable resin and a curing agent having a melting point greater than 100° C. to form a liquid blend of curable resin and curing agent, at least partially impregnating a structural fibre arrangement with the blended curable resin and curing agent to form a curable composite material, followed by curing the composite material by exposure to elevated temperature and at a pressure of no greater than 3 bar absolute to form a cured composite material. | 04-11-2013 |
| 20130102704 | NON-AQUEOUS PIGMENT INK AND PIGMENT DISPERSANT FOR NON-AQUEOUS PIGMENT INK - A non-aqueous pigment ink is provided, wherein the non-aqueous pigment ink comprises an alkyl(meth)acrylate copolymer containing an alkyl(meth)acrylate unit having an alkyl group of 12 or more carbon atoms and a (meth)acrylate unit having a pyridyl group, a pigment, and a non-aqueous solvent. | 04-25-2013 |
| 20130253096 | CARBON FIBER - A carbon fiber is coated with a sizing at an amount X between 0.05 and 0.30 weight %. The sizing is formed of a heat resistant polymer or a precursor of the heat resistant polymer. The amount X of the sizing is expressed with a following formula: | 09-26-2013 |
| 20130281576 | RESIN COMPOSITION FOR FIBER-REINFORCED COMPOSITE MATERIAL, CURED PRODUCT THEREOF, FIBER-REINFORCED COMPOSITE MATERIAL, MOLDING OF FIBER-REINFORCED RESIN, AND PROCESS FOR PRODUCTION THEREOF - The present invention provides a resin composition for a fiber-reinforced composite material, which has excellent fluidity and impregnation into a fiber base material and which produces a cured product having excellent heat resistance. A resin composition for a fiber-reinforced composite material contains, as essential components, a poly(glycidyloxyaryl) compound (A), a polymerizable monomer (B) which is an unsaturated carboxylic acid or an anhydride thereof and has a molecular weight of 160 or less, an aromatic vinyl compound or a (meth)acrylate (C), and a radical polymerization initiator (D), wherein an equivalent ratio [glycidyloxy group/acid group] of a glycidyloxy group in the component (A) to an acid group in the component (B) is 1/1 to 1/0.48, and a molar ratio [(B)/(C)] of the component (B) to the component (C) is in the range of 1/0.55 to 1/2. | 10-24-2013 |
| 20130303661 | EPOXY RESIN COMPOSITION FOR RESIN TRANSFER MOLDING OF FIBER-REINFORCED COMPOSITE MATERIAL, FIBER-REINFORCED COMPOSITE MATERIAL, AND METHOD FOR PRODUCING SAME - An epoxy resin composition for RTM molding of a fiber-reinforced composite material includes [A] to [D] below, wherein [A]/[B], which is a blend mass ratio of [A] to [B], is in the range of 55/45 to 95/5: [A] a multifunctional epoxy resin that is liquid at normal temperature or has a softening point of 65° C. or lower, the multifunctional epoxy resin being at least one selected from phenol novolac epoxy resin, cresol novolac epoxy resin, and triphenylmethane epoxy resin; [B] an alicyclic epoxy resin; [C] an acid anhydride curing agent; and [D] a curing accelerator. | 11-14-2013 |
| 20140179838 | MULTIFUNCTIONAL MELAMINE EPOXY RESINS, METHYLOLS AND AMINES - Multifunctional melamine epoxy resins, methylols and amines are provided. Methods of making multifunctional melamine epoxy resins, methylols and amines are also provided. | 06-26-2014 |
| 20140213698 | THERMOSETTING COMPOSITION AND PROCESS FOR PREPARING FIBER-REINFORCED COMPOSITES - A two-component curable epoxy resin system is disclosed. The resin system includes an epoxy resin component containing at least 80% by weight of a polyglycidyl ether of a polyphenol that has an epoxy equivalent weight of up to about 200 and contains no more than 2% by weight of monohydrolyzed resin species. The system also includes a hardener mixture that has an amino hydrogen equivalent weight of from 35 to 90 and contains at least 90% by weight of a mixture of (i) from 5 to 75% of the combined weight of (i), (ii) and (iii) of one or more compounds that have at least two primary and/or secondary aliphatic amino groups and which have no phenolic groups; (ii) from 10 to 95% of the combined weight of (i), (ii) and (iii) of one or more aminophenol compounds that contain one or more primary and/or secondary aliphatic amino groups and at least one phenolic group and (iii) from 0 to 50% of the combined weight of (i), (ii) and (iii) of one or more phenolic compounds that contain two or more phenolic groups and do not contain primary or secondary amino groups. The epoxy resin component and hardener mixture are present in amounts sufficient to provide from 1.05 to 1.35 equivalents of aliphatic amine hydrogens per equivalent of epoxide groups provided by the epoxy resin component. The system has beneficial curing characteristics that make it useful for producing fiber-reinforced composites in a resin transfer molding process. | 07-31-2014 |
| 20140221533 | CARBON NANOTUBE COMPOSITE MATERIAL AND THERMAL CONDUCTOR - A carbon nanotube composite material having carbon nanotubes and carbon fibers dispersed in a matrix is provided wherein a carbon nanotube group formed from a plurality of the carbon nanotubes is present between the carbon fibers, an average diameter of the carbon fibers is 1 μm or more and 50 μm or less, an average diameter of the carbon nanotubes is 0.7 nm or more and 50 nm or less, the carbon nanotubes are included in a range of 0.01 wt % or more and 30 wt % or less and the carbon fibers are included in a range of 10 wt % or more and 60 wt % or less with respect to 100 wt % of the carbon nanotube composite material, thermal conductivity of the matrix is less than 10 W/mK, and the carbon nanotube composite material includes thermal conductivity in a direction of 10 W/mK or more. | 08-07-2014 |
| 20140288214 | TWO-PACK TYPE EPOXY RESIN COMPOSITION FOR FIBER-REINFORCED COMPOSITE MATERIALS, AND FIBER-REINFORCED COMPOSITE MATERIAL - A two-pack type epoxy resin composition for fiber-reinforced composite materials includes components [A] to [D], with component [D] being a liquid at room temperature or a solid having a melting point of 130° C. or less: [A] an epoxy resin; [B] an acid anhydride; [C] a compound that has an average of 2.5 or more hydroxyphenyl structures in each molecule; and [D] an organic phosphorus compound or imidazole derivative. | 09-25-2014 |
| 20140316034 | METHOD FOR PREPARING AN EPOXY BASED COATING COMPOSITION - The invention provides a method for preparing an epoxy based coating composition. The method includes preparing a first dispersion including one or more colorants, one or more fillers and an epoxy based paint work material dispersed in a first portion of one or more solvents. The first dispersion is prepared by dispersing the one or more colorants and the one or more fillers in the epoxy based paint work material dispersed in the first portion of the one or more solvents. The method further includes preparing a second dispersion including one or more types of carbon nanotubes, a second portion of the one or more solvents and a hardener. The second dispersion is prepared by dispersing the one or more types of carbon nanotubes and the second portion of the one or more solvents in the hardener. Additionally, the method includes mechanically mixing the first dispersion and the second dispersion. | 10-23-2014 |
| 20140323613 | Dual Cure System - Multi-pack curable composition comprising: a first pack comprising a blend of (i) an epoxy resin, (ii) an unsaturated polyester or vinyl ester resin, and optionally (iii) a peroxyester, a second pack comprising an amine curing agent for the epoxy resin and at least one transition metal compound selected from iron, copper, and manganese compounds, and at least when the first pack does not contain a peroxyester, a third pack comprising a peroxide. | 10-30-2014 |
| 20140378582 | PROCESS FOR MANUFACTURING ARTICLES IN CARBON FIBER AND ARTICLE MANUFACTURED WITH THIS PROCESS - The invention relates to a heat compression molding process for the manufacturing of composite material articles, the process comprising the steps of i) providing a mold ( | 12-25-2014 |
| 20150099834 | FIBER-REINFORCED EPOXY COMPOSITES AND METHODS OF MAKING SAME WITHOUT THE USE OF OVEN OR AUTOCLAVE - Method embodiments for producing a fiber-reinforced epoxy composite comprise providing a mold defining a shape for a composite, applying a fiber reinforcement over the mold, covering the mold and fiber reinforcement thereon in a vacuum enclosure, performing a vacuum on the vacuum enclosure to produce a pressure gradient, insulating at least a portion of the vacuum enclosure with thermal insulation, infusing the fiber reinforcement with a reactive mixture of uncured epoxy resin and curing agent under vacuum conditions, wherein the reactive mixture of uncured epoxy resin and curing agent generates exothermic heat, and producing the fiber-reinforced epoxy composite having a glass transition temperature of at least about 100° C. by curing the fiber reinforcement infused with the reactive mixture of uncured epoxy resin and curing agent by utilizing the exothermically generated heat, wherein the curing is conducted inside the thermally insulated vacuum enclosure without utilization of an external heat source or an external radiation source. | 04-09-2015 |
| 20150111994 | EPOXY-AMINE ADDUCT, RESIN COMPOSITION, SIZING AGENT, CARBON FIBER COATED WITH SIZING AGENT, AND FIBER-REINFORCED COMPOSITE MATERIAL - Provided is an epoxy-amine adduct that offers high reactivity, contributes to better adhesion between a resin and a reinforcing fiber in a fiber-reinforced composite material, and can be easily blended with another component such as a resin. The epoxy-amine adduct has two or more amino groups per molecule and is obtained by a reaction of an epoxy compound (A) having two or more alicyclic epoxy groups per molecule with an amine compound (B) having two or more amino groups per molecule. The epoxy compound (A) is preferably a compound represented by Formula (a): | 04-23-2015 |
| 20150291789 | FIBER-REINFORCED THERMOPLACTIC-RESIN MOLDED ARTICLE, FIBER-REINFORCED THERMOPLASTIC-RESIN MOLDING MATERIAL, AND METHOD OF MANUFACTURING FIBER-REINFORCED THERMOPLASTIC-RESIN MOLDING MATERIAL - A fiber reinforced thermoplastic resin molded article includes 5 to 40 parts by weight of carbon fibers (A), 1 to 40 parts by weight of organic fibers (B), and 20 to 94 parts by weight of a thermoplastic resin (C) based on 100 parts by weight of the total amount of the carbon fibers (A), the organic fibers (B), and the thermoplastic resin (C), wherein the carbon fibers (A) have an average fiber length (L | 10-15-2015 |
| 20150315331 | EPOXY RESIN COMPOSITION, PREPREG, AND CARBON-FIBER-REINFORCED COMPOSITE MATERIAL - Provided are: an epoxy resin composition which enables the production of a carbon-fiber-reinforced composite material having excellent tensile strength and compressive strength and suitable as a material for structures; a prepreg; and a carbon-fiber-reinforced composite material. An epoxy resin composition characterized by comprising at least [A] an epoxy resin having a structure represented by formula (1), [B] an epoxy resin having at least one amine-type glycidyl group or at least one ether-type glycidyl group and having a liquid form at 40° C. and [C] a curing agent; and a prepreg and a carbon-fiber-reinforced composite material, each produced using the epoxy resin composition. | 11-05-2015 |
| 20150337099 | FIBER-REINFORCED COMPOSITE MATERIAL - A prepreg comprising an epoxy resin (A), a boron chloride-amine complex (B) and a fiber base material (C) is used. Preferably, the molar ratio of boron in the boron chloride-amine complex (B) is 4-7 mol % with respect to the number of moles of epoxy groups in the epoxy resin (A), and the epoxy resin (A) includes a bifunctional epoxy resin with an oxazolidone ring structure, a bisphenol-type epoxy resin and a phenol-novolac-type epoxy resin. | 11-26-2015 |
| 20150344686 | PREPREG, FIBER-REINFORCED COMPOSITE MATERIAL, AND THERMOPLASTIC RESIN PARTICLES - The invention provides a prepreg that can give a fiber-reinforced composite material exhibiting stable and excellent interlaminar fracture toughness and impact resistance under wide molding conditions. The prepreg includes at least a reinforcement fiber [A], a thermosetting resin [B], and the following component [C] wherein 90% or more of the material [C] is present inside a region of the prepreg that extends from any surface of the prepreg to a prepreg site having, from the surface, a depth of 20% of the thickness of the prepreg. The component [C] satisfies requirements that (i) the storage elastic modulus G′ of the material constituting the particles is more than 1 MPa, and 70 MPa or less at 180° C., and that (ii) the ratio of the storage elastic modulus G′ of the material constituting the particles at 160° C. to the storage elastic modulus G′ of the material at 200° C. ranges from 1 to 5; and is insoluble in the thermosetting resin [B]. | 12-03-2015 |
| 20150376404 | IMPREGNATED REINFORCING FIBER YARN AND ITS USE IN PRODUCING COMPOSITE MATERIALS - A pre-impregnated yarn including a bundle of reinforcing fiber filaments having a bundle interior and a bundle outer side, a first resin composition, and a second resin composition. The first resin composition includes at least one urethane resin, H1, produced from a reaction of a bifunctional aromatic epoxy compound based on bisphenol A, an aromatic polyisocyanate, and a polyalkylene glycol; an oxyalkylated bisphenol A resin, H2; and aromatic polyhydroxy ether P1. The filaments are impregnated with and at least partially connected via the first resin composition. The first resin composition is present in a concentration of 0.1 to 4 wt % relative to a total weight of the pre-impregnated yarn. The second resin composition is on the bundle outer side in the form of particles or drops adhering to the filaments, and is in a concentration of 0.5 to 14 wt % relative to the total weight of the pre-impregnated yarn. | 12-31-2015 |
| 20160032062 | POLYMER NANOCOMPOSITES - Provided herein is technology relating to polymer nanocomposites, and particularly, but not exclusively, to polymer nanocomposites comprising two or more nanomaterials and methods of producing nanocomposites comprising two or more nanomaterials. | 02-04-2016 |
| 20160052871 | NOVEL CURING AGENTS AND DEGRADEABLE POLYMERS AND COMPOSITES BASED THEREON - The present invention provides, among others, compounds of Formula (I) or a salt thereof, methods for making these compounds, degradable polymers and reinforced composites made therefrom, and methods for degrading and/or recycling the degradable polymers and reinforced composites. | 02-25-2016 |
| 20160122528 | EPOXY RESIN COMPOSITION, PREPREG AND FIBER-REINFORCED COMPOSITE MATERIAL - [Problem] To provide: a fiber-reinforced composite material having both Mode I interlaminar fracture toughness and compressive strength under wet heat conditions; an epoxy resin composition for producing the fiber-reinforced composite material; and a prepreg produced using the epoxy resin composition. [Solution] An epoxy resin composition comprising at least the following constituents [A], [B] and [C]: [A] an epoxy resin; [B] composite polyamide microparticles which satisfy such a requirement (b1) the materials constituting the particles are a polyamide (B1) and a thermoplastic elastomer resin (B2), such a requirement (b2) that the melting point or the glass transition temperature of the polyamide (B1) is higher than 100° C. and such a requirement (b3) the number average particle diameter is 0.1 to 100 μm; and [C] a curing agent. | 05-05-2016 |
| 20160152785 | EPOXY RESIN COMPOSITION, PREPREG, AND CARBON FIBER-REINFORCED COMPOSITE MATERIAL | 06-02-2016 |
| 20170233521 | FAST CURING HIGH GLASS TRANSITION TEMPERATURE EPOXY RESIN SYSTEM | 08-17-2017 |
| 20170233621 | GRAPHENE-CONTAINING EPOXY ADHESIVES | 08-17-2017 |
| 20180022862 | EPOXY RESIN COMPOSITION, PREPREG, AND FIBER REINFORCED COMPOSITE MATERIAL | 01-25-2018 |
