Patent application number | Description | Published |
20140256856 | LIQUID EPOXY RESIN FORMULATIONS - A liquid epoxy resin composition having a reduced tendency to crystallize including at least one liquid epoxy resin having the following generic chemical Structure (I): where n is 0 or an integer of 1 or more; and wherein n=0 is in the range of between about 1 wt % and about 90 wt %; wherein; n=1 is in the range of between about 7 wt % and about 20 wt %; n=2 is in the range of between about 0.8 wt % and about 3 wt %; and n=3 and above is in the range of about 0 wt % and about 2 wt %. | 09-11-2014 |
20150093320 | CARBON PRECURSOR COMPOSITION - A liquid carbon precursor composition including (a) at least one aromatic epoxy resin; and (b)(i) at least one aromatic co-reactive curing agent or (b)(ii) at least one catalytic curing agent, or (b)(iii) a mixture thereof; wherein the liquid composition prior to adding optional components and curing, has a neat viscosity of less than 10,000 mPa-s, at 25° C.; and wherein the liquid precursor composition has a neat viscosity of less than 10,000 mPa-s at 25° C. prior to adding optional components, prior to curing, and prior to carbonizing; and wherein the liquid precursor composition being cured has a carbon yield of at least 35 weight percent as measured in the absence of optional components; a cured liquid carbon precursor composition; a carbonized material made from the above liquid carbon precursor composition; and processes for producing the above compositions. | 04-02-2015 |
20150093321 | VITREOUS CARBON COMPOSITION - A process for preparing a vitreous carbon including the steps of: (I) providing a curable low viscosity liquid carbon precursor formulation comprising (a) at least one aromatic epoxy resin; and (b)(i) at least one aromatic co-reactive curing agent, (b) (ii) at least one catalytic curing agent, or (b)(iii) a mixture thereof; wherein the liquid precursor composition has a neat viscosity of less than 10,000 mPa-s at 25° C. prior to adding optional components, prior to curing, and prior to carbonizing; and wherein the liquid precursor composition being cured has a carbon yield of at least 35 weight percent as measured in the absence of optional components; (II) curing the liquid formulation from step (I) to form a cured product wherein the cured product has a carbon yield of at least 35 weight percent as measured in the absence of optional components; (III) carbonizing the cured product from step (II) to form a carbonized composition; and (IV) purifying the carbonized product from step (III) to form a vitreous carbon composition; and a vitreous carbon prepared by the above process. | 04-02-2015 |
20150111028 | CONDUCTIVE CARBONIZED LAYERED ARTICLE - A process for preparing a conductive carbonized layered article including the steps of: (I) providing a liquid carbon precursor formulation comprising (a) at least one aromatic epoxy resin; and (b)(i) at least one aromatic co-reactive curing agent, (b) (ii) at least one catalytic curing agent, or (b)(iii) a mixture thereof; wherein the liquid precursor composition has a neat viscosity of less than 10,000 mPa-s at 25° C. prior to adding optional components, prior to curing, and prior to carbonizing; and wherein the liquid precursor composition being cured has a carbon yield of at least 35 weight percent disregarding the weight of the substrate and any optional components present in the composition; (II) applying the liquid formulation of step (I) as a thin coating layer onto at least a portion of the surface of a substrate; (III) curing the liquid formulation of step (II) to form a cured product, wherein the cured product has a carbon yield of at least 35 weight percent disregarding the weight of the substrate and any optional components present in the composition; and (IV) carbonizing the cured product of step (III) to form a conductive carbonized layered article; and a conductive carbonized layered article such as a carbon optical transparent electrode (COTE) prepared by the above process. | 04-23-2015 |
20150115195 | CARBON-CARBON COMPOSITES - A process for preparing a carbon-carbon composite including the steps of: (a) providing a curable low viscosity aromatic epoxy resin liquid formulation, wherein the formulation has a neat viscosity of less than 10,000 mPa-s at 25° C. prior to adding optional components, prior to curing, and prior to carbonizing; and wherein the formulation being cured has a carbon yield of at least 35 wt % disregarding the weight of the carbon matrix and any optional components present in the composition; (b) contacting a carbon matrix with the formulation of step (a); (c) curing the contacted carbon matrix of step (b); and (d) carbonizing the cured carbon matrix of step (c) to form a carbon-carbon composite; and a carbon-carbon composite made by the process. | 04-30-2015 |
20150246999 | ETHYLENEAMINE EPOXY HARDENER - A curable composition comprising a blend of: a) an epoxy resin; and b) a hardener comprising a polyfunctional amine is disclosed. The curable composition can be used in a variety of applications including, but not limited to coatings, civil engineering, flooring, composites, adhesives, and electrical laminates. | 09-03-2015 |
20150247031 | POLYMER PARTICLE DISPERSIONS WITH DIVINYLARENE DIOXIDES - A toughener composition comprising a) 45 to 97 weight percent of a divinylarene dioxide; and b) 3 to 55 weight percent of a core shell rubber comprising a rubber particle core and a shell layer wherein said core shell rubber has a particle size of from 0.01 μm to 0.50 μm is disclosed. The toughener can be used in epoxy resin compositions for advanced composite, electronic, coating and structural adhesive applications. | 09-03-2015 |
20150315432 | METALLIC COMPOUNDS IN NON-BROMINATED FLAME RETARDANT EPOXY RESINS - A composition comprising a) an epoxy resin; b) a hardener; and c) a stabilizer comprising a metal-containing compound, the metal-containing compound comprising a metal selected from the Group 11-13 metals and combinations thereof, and wherein said composition contains a non-halogen flame retardant is disclosed. | 11-05-2015 |
20150319858 | METAL STABILIZERS FOR EPOXY RESINS - A composition comprising: a) an epoxy resin; b) a hardener; and c) a stabilizer comprising a metal-containing compound, the metal-containing compound comprising a metal selected from the group consisting of Group 11-13 metals and combinations thereof, wherein the composition is prepared from a halogen-containing compound is disclosed. | 11-05-2015 |