Abstract: A polymer composition having improved heat stability is provided. The transition metal ion-modified clay can greatly increase the heat stability of the polymer especially the polyamide, with low cost.
Type:
Application
Filed:
November 9, 2009
Publication date:
May 13, 2010
Applicant:
E. I. DU PONT DE NEMOURS AND COMPANY
Inventors:
Huaili Qin, Nanjian Sun, Robert J. Palmer
Abstract: The present invention is directed to a method of producing an adherent coating over untreated thermoplastic and thermosetting resinous substrates from a coating composition that includes a crosslinkable component and a crosslinking component that are mixed prior to application and applied over the substrate. The crosslinkable component includes a polymeric mix containing at least one crosslinkable copolymer polymerized from a monomer mixture comprising one or more ethylenically unsaturated monomers having on average 1 to 10, preferably 1 to 4 and more preferably 1 to 2 hydroxyl groups and a saturated hydrocarbon polymer. The crosslinkable component includes one or more cycloaliphatic polyisocyanate of the formula: R1—(R2—NCO)n wherein R1 is a substituted or unsubstituted cycloaliphatic group, R2 is independently selected from a direct bond, a straight aliphatic group or branched aliphatic group, and wherein n ranges from 2 to 10.
Type:
Grant
Filed:
September 22, 2006
Date of Patent:
May 11, 2010
Assignee:
E. I. du Pont de Nemours and Company
Inventors:
Patrick Henry Corcoran, Sheau-Hwa Ma, Jozef Theresia Huybrechts
Abstract: The present invention relates to a coating composition using a catalyst for selective catalytic reduction for the removal of nitrogen oxides from the exhaust gas, a catalytic module element for selective catalytic reduction and a catalytic module for selective catalytic reduction for the removal of nitrogen oxides, and more specifically to a catalytic module element in which and a catalytic module element for selective catalytic reduction in which a plurality of plate-type or waveform glass fiber sheets on which the coating layer of a catalyst for selective catalytic reduction are formed, are repeatedly laminated and a catalytic module for casing the catalytic module element. According to the present invention, the production process is simple, economical and productive and the catalytic module element for selective catalytic reduction is excellent not only in decomposition efficiency of nitrogen oxides in the exhaust gas, but also in durability, economic efficiency and thermal shock resistance.
Abstract: The present invention relates to a process for preparing lower-color polytrimethylene ether glycol, comprising contacting said polytrimethylene ether glycol, or its precursor reaction-mixture, with a hydride compound during at least one stage of the process of manufacture, or on the polytrimethylene ether glycol resulting form such process, such that the polytrimethylene ether glycol demonstrates a reduced color (as compared to using no hydride compound).
Abstract: A process for manufacturing a water-resistant telecommunication cable. The cable has a solid and compact element having a water-soluble polymer material having vinyl alcohol/vinyl acetate copolymer having a hydrolysis degree of 60-95% and a polymerisation degree higher than 1,800 and at least one solid low-melting and one solid high melting plasticizers. The process produces continuously the water-soluble polymer material by separately feeding, in sequence, a multi-screw extruder, in the flow direction, with the copolymer and the high melting plasticizer melting and mixing them while transporting them through the extruder, and with the low melting plasticizer, melting and mixing them with the copolymer and the high melting plasticizer, subsequently homogenizing the copolymer and the plasticizers and finally discharging the melt, at a temperature lower than or equal to 205° C. A process for extruding the above PVA based water-soluble polymer material.
Abstract: A wallet consolidator to facilitate a transaction is provided. An embodiment of a wallet consolidator can include a housing, a data interface connected to the housing and positioned to effectuate communication between the wallet consolidator and one or more computing devices to thereby receive information associated with at least one card from one or more computing devices, and a memory positioned to store at least a portion of the information received by the data interface. The wallet consolidator can also include an input cluster connected to the housing to facilitate selection of at least a portion of the information by a user, a display screen to display a menu of functions to a user, and a controller positioned within the housing in communication with and to control each of the data interface, the memory, the input cluster, and the display screen.
Abstract: An aircraft cabin lighting kit includes: a driving/dimming module generating output signals for controlling illumination of at least one lighting unit according to command signals from a cabin management system; and at least one wire assembly interfacing the driving/dimming module with a power bus for receiving operational power, and a communication bus for receiving the command signals and for communicating the output signals to the at least one lighting unit. The present aircraft cabin lighting kit is certified by a governmental aviation-regulating body for installation in multiple aircraft.
Abstract: A micro refinery produces ethanol that is distilled in a distillation tube. A sensor detects the liquid level within the distillation tube. The sensor includes a guide wire mounted within the distillation tube, a float mounted around the guide wire and an external magnetometer circuit mounted to an external surface of the distillation tube. The float includes a magnet and as the float rests on the upper surface of the fluid in the distillation tube, the external magnetometer circuit detects the position of the float and provides information about the liquid level in the distillation tube.
Abstract: The present disclosure relates to a device for thermally cooling while electrically insulating. The device contains a first adhesive layer, substrate, a second adhesive layer and a heat sink. The first adhesive layer and the second adhesive layer are a vinyl or acrylic based polymer. The adhesive layers and the substrate may contain thermally conductive fillers, light absorbing pigments or mixtures of both.
Type:
Application
Filed:
October 30, 2009
Publication date:
May 6, 2010
Applicant:
E. I. DU PONT DE NEMOURS AND COMPANY
Inventors:
Brian C. Auman, Carl Haeger, Philip Roland Lacourt, Mark Elliott McAlees, Stanley Duane Merritt, George Wyatt Prejean, Harland Lee Tate
Abstract: A method for creating extensive variations in size or distance in nanostructure patterns on surfaces preferably includes: a) contacting a substrate with a liquid phase containing organic two-block or multi-block copolymer micelles, which are charged with an inorganic metal compound, by immersion into this liquid phase, during which chemically different polymer domains including inorganic metal compounds enclosed in micelles are deposited on the substrate; b) withdrawing the substrate from the liquid phase at a predetermined withdrawing speed, which is varied continuously or gradually, so that a gradient of the lateral separation length of the polymer domains is produced on the substrate surface; c) converting the deposited inorganic metal compounds by an oxidation- or reduction treatment into inorganic nanoparticles and optionally complete or partial removal of the organic polymer by a plasma treatment, wherein positions and lateral separation length of the nanoparticles obtained are determined by those of de
Type:
Application
Filed:
March 12, 2008
Publication date:
May 6, 2010
Applicant:
Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e. V.
Inventors:
Joachim P. Spatz, Theobald Lohmueller, Marco Arnold
Abstract: There is provided a resin composition including a resin and a hydrogen storage alloy powder and ensuring that even when the amount of the hydrogen storage alloy powder filled per unit volume is high, uniform mixing with the resin is achieved and the stress applied to the wall of a hydrogen storage vessel is sufficiently suppressed without impairing the high hydrogen storage capacity. The present invention provides a resin composition, that is, a resin composition including a resin and a hydrogen storage alloy powder, wherein when hydrogen gas is absorbed-released in a hydrogen storage vessel obtained by filling the resin composition in a vessel such that a ratio V2/V1 between a volume V2 of the hydrogen storage alloy powder and an inner volume V1 of the vessel becomes 40 to 80 vol %, a distortion ? produced on a wall of the hydrogen storage vessel is 1,000×10?6 or less.
Type:
Application
Filed:
February 5, 2008
Publication date:
May 6, 2010
Applicants:
ASAHI KASEI E-MATERIALS CORPORATION, THE JAPAN STEEL WORKS, LTD.
Abstract: There is provided high temperature flame retarded semiaromatic polyamides which provide superior properties in molded articles while maintaining high flow in the molding process. The resin compositions include, in addition to the polyamide and flame retardant, aromatic organic acid and at least one inorganic reinforcing agent and/or filler. Processes for their preparation and articles made from these compositions are also disclosed.
Abstract: An article is disclosed which comprises a substrate and an outermost layer where the outermost layer or a portion thereof adheres to or in contact with the substrate and comprises a grafted polyolefin composition and the article provides long lifetime, highly abrasion-resistant articles for use in a wide range of aggressive environmental conditions and can be used as safety glass or solar cell laminate.
Abstract: Disclosed is a thermoplastic composition including at least one semi-aromatic polyamide having a glass transition equal to or greater than 100° C. and a melting point of equal to or greater than 280° C.; a thermally conducting filler having a thermal conductivity of at least 5 W/mK, for instance CaF2 powder; and at least one hyperbranched polyesteramide having terminal hydroxy groups; and molded articles made therefrom.
Abstract: A solar cell module comprising a solar cell layer and a sheet comprising at least one layer of a sodium ionomer composition, wherein the sodium ionomer composition consists essentially of a sodium ionomer that is an ionic, neutralized derivative of a precursor ?-olefin carboxylic acid copolymer, wherein about 10% to about 35% of the total content of the carboxylic acid groups present in the precursor ?-olefin carboxylic acid copolymer have been neutralized with sodium ions, and wherein the precursor ?-olefin carboxylic acid copolymer comprises (i) copolymerized units of an ?-olefin having 2 to 10 carbons and (ii) about 20 to about 25 wt %, based on the total weight of the ?-olefin carboxylic acid copolymer, of copolymerized units of an ?,?-ethylenically unsaturated carboxylic acid having 3 to 8.
Type:
Application
Filed:
June 1, 2009
Publication date:
May 6, 2010
Applicant:
E. I. DU PONT DE NEMOURS AND COMPANY
Inventors:
RICHARD ALLEN HAYES, Rebecca L. Smith, Kristof Proost, Steven C. Pesek, Charles Anthony Smith
Abstract: Disclosed herein are compositions derived from a polycarboxylic acid, and an ionic liquid. The compositions can be used to prepare thermal transfer donor elements.
Abstract: An ionomer composition comprises an ionomer that is the neutralized product of a precursor acid copolymer. The precursor acid copolymer comprises copolymerized units of an ?-olefin having 2 to 10 carbon atoms and about 20 to about 30 wt %, based on the total weight of the precursor acid copolymer, of copolymerized units of an ?,?-ethylenically unsaturated carboxylic acid having 3 to 8 carbon atoms; a melt flow rate of about 10 to about 4000 g/10 min; and, when neutralized to a level of about 40% to about 90% and when comprising counterions that consist essentially of sodium cations, the precursor acid copolymer produces a sodium ionomer that has a melt flow rate of about 0.7 to about 25 g/10 min and a freeze enthalpy that is not detectable or that is less than about 3.0 j/g. Further provided are articles comprising the ionomer composition.
Type:
Application
Filed:
November 2, 2009
Publication date:
May 6, 2010
Applicant:
E. I. DU PONT DE NEMOURS AND COMPANY
Inventors:
Karlheinz Hausmann, Richard Allen Hayes, Steven C. Pesek, W. Alexander Shaffer, Charles Anthony Smith
Abstract: The invention provides a method for preparing a printing form from a photopolymerizable element. The photopolymerizable element includes a layer of a photopolymerizable composition containing an elastomeric block copolymer of polystyrene and polybutadiene having less than 15% by weight of 1,2-coupled bond segments in the polybutadiene block, an ethylenically unsaturated compound, and a photoinitiator. The method includes imagewise exposing the photopolymerizable element to actinic radiation in the presence of atmospheric oxygen; heating the element to a temperature sufficient to cause a portion of the layer to liquefy; and contacting an exterior surface of the photopolymerizable element with a development medium to allow at least a portion of the liquefied layer to be removed by the development medium.
Abstract: A melt-mixed composition of non-melt flowable polytetrafluoroethylene (PTFE) and melt-fabricable perfluoropolymer is provided that exhibits thixotropy at increasing shear rate in the molten state and high elongation at break even at PTFE concentrations well above 4 wt %, based on the combined weight of the PTFE and the perfluoropolymer, e.g. at least 200% up to at least 30 wt % PTFE, the composition also exhibiting the structure of a dispersion of submicrometer-size particles of the PTFE in a continuous phase of the melt-fabricable perfluoropolymer.
Type:
Application
Filed:
January 12, 2010
Publication date:
May 6, 2010
Applicant:
E. I. DU PONT DE NEMOURS AND COMPANY.
Inventors:
Heidi Elizabeth Burch, Sundar Kilnagar Venkataraman, Ralph Munson Aten
Abstract: An aircraft cabin lighting kit includes: at least one lighting unit configured for installation in an aircraft cabin; a driving/dimming module generating output signals for controlling illumination of the at least one lighting unit according to command signals from a cabin management system; and at least one wire assembly interfacing the driving/dimming module with a power bus for receiving operational power, and a communication bus for receiving the command signals and for communicating the output signals to the at least one lighting unit. The present aircraft cabin lighting kit is certified by a governmental aviation-regulating body for installation in multiple aircraft.