Transition Metal Atom Dnrm Patents (Class 524/440)
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Publication number: 20090069486Abstract: Provided is an acoustic lens composition which comprises 40 wt % or more of silicone rubber and 15 to 60 wt % of a zinc oxide powder, suppresses ultrasonic attenuation, and has superior molding properties.Type: ApplicationFiled: November 12, 2008Publication date: March 12, 2009Inventors: Yohachi Yamashita, Yasuharu Hosono, Hiroyuki Shikata, Takashi Takeuchi, Yasuhisa Makita
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Publication number: 20090069485Abstract: A method of producing a metal-ceramic composite material having a metallic luster. This method involves subjecting a cured product obtained by curing a curable silicone composition containing a metal filler to heating under a non-oxidizing atmosphere, at a temperature that is within a range from 400 to 1,500° C. and is less than the melting point of the metal filler. Using this method, a metal-ceramic composite material that has a shape and dimensions that meet the required specifications with a high degree of precision can be produced with comparative ease.Type: ApplicationFiled: September 10, 2008Publication date: March 12, 2009Inventor: Yoshitaka Aoki
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Publication number: 20090061244Abstract: The invention is based on the discovery that certain polyether oligomers bearing curable moieties are useful as adhesives for the microelectonic packaging industry. Specifically, certain thermoset adhesive compositions containing polyether oligomers of the invention have good adhesion with lower viscosity, lower resistivity, higher conductivity and higher thixotropy when compared to acrylate- and maleimide-based thermoset adhesives.Type: ApplicationFiled: August 14, 2008Publication date: March 5, 2009Inventor: Stephen M. Dershem
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Publication number: 20090053503Abstract: A precursor composition for porous film comprising at least one member selected from the group consisting of compounds represented by the following general formulas: Si(OR1)4 and Ra(Si)(OR2)4-a (in the formulas, R1 represents a monovalent organic group; R represents a hydrogen atom, a fluorine atom or a monovalent organic group; R2 represents a monovalent organic group; a is an integer ranging from 1 to 3, provided that R, R1 and R2 may be the same or different); a heat decomposable organic compound capable of being thermally decomposed at a temperature of not less than 250° C.; and at least one element selected from the group consisting of elements each having a catalytic action, and organic solvent. A hydrophobic compound is subjected to a gas-phase polymerization reaction in the presence of a solution of this precursor composition to thus form a hydrophobic porous film having a low dielectric constant, a low refractive index and high mechanical strength.Type: ApplicationFiled: March 17, 2006Publication date: February 26, 2009Inventors: Nobutoshi Fujii, Takahiro Nakayama, Toshihiko Kanayama, Kazuo Kohmura, Hirofumi Tanaka
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Publication number: 20090047475Abstract: The present invention relates to compositions, which can be used for coating (e.g., painting) wiper blade rubbers to enhance durability, resistance to frictional forces, and/or other properties. In various embodiments, the coating compositions comprise nano-particle PTFE (Teflon®), polyurethane, and silicone resin in a solvent and/or liquid carrier, such as distilled water. The coating compositions may further comprise graphite, a carbon lubricant, and/or a water-based resin. Methods for forming a coating on a wiper blade rubber using the compositions of the invention are also provided.Type: ApplicationFiled: February 29, 2008Publication date: February 19, 2009Inventor: Sun Mi Jeon
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Patent number: 7488764Abstract: A pigment contains one or more substantially spherical-shaped beads. Each substantially spherical-shaped bead includes one or more high aspect ratio particles encapsulated within an encapsulating material. Resinous compositions containing this pigment and a plastic, for example a polycarbonate, have a flowline-free colored, sparkling and/or metallescent appearance.Type: GrantFiled: October 20, 2004Date of Patent: February 10, 2009Assignee: Sabic Innovative Plastics IP B.V.Inventors: Stanley Young Hobbs, Robert Edgar Colborn, Eelco M. S. van Hamersveld, Fazila Seker, Ali Ersin Acar, Chris Hartshorn, Daniel Steiger
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Publication number: 20090030113Abstract: The invention relates to new universal pigment preparations having very good thermal stability and weathering stability as virtually foam-free aqueous, solventborne, and solvent-free pigment preparations and to their use in aqueous, solventborne or solvent-free coating materials, such as paints, adhesives, inks, including printing inks, and for coloring plastics.Type: ApplicationFiled: November 3, 2006Publication date: January 29, 2009Applicant: Evonil Degussa GmbHInventors: Patrick Glockner, Evelny Albrecht, Andreas Stuttgen, Andreas Wenning
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Patent number: 7479523Abstract: The invention relates to a metallic-colored thermoplastic molding material, which contains metal glitter in various admixtures. In addition, the invention relates to a method to manufacture this molding material and its use in molded bodies with openings. No visible formation of flow lines occurs with the use of this molding material, so that the quality of the goods manufactured is improved. For this purpose, it is planned that the percentage by weight of the metal glitter in the thermoplastic molding material lies between six and 15%, wherein the size of the glitter is not in a Gaussian distribution, but the molding material to a large extent contains only equally sized glitter particles in glitter mixtures.Type: GrantFiled: November 8, 2001Date of Patent: January 20, 2009Inventors: Martin Paul, Christian Scheurell, Felix Rattay, Thomas Schuldt, Andreas Teitge
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Patent number: 7476339Abstract: A composite material including a thermoplastic polymer matrix and a non-carbonaceous resistivity modifier dispersed in the thermoplastic polymer matrix. The composite material has a surface resistivity of about 1.0×104 ohm/sq to about 1.0×1011 ohm/sq and at least a portion of a surface of the composite material has a surface roughness (Ra) not greater than about 500 nm.Type: GrantFiled: August 18, 2006Date of Patent: January 13, 2009Assignee: Saint-Gobain Ceramics & Plastics, Inc.Inventors: Pawel Czubarow, Gwo Swei, Oh-Hun Kwon
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Publication number: 20090011262Abstract: The present invention relates to a prepreg, a composite film, and a laminated material for circuit used for thermosetting composite resin compositions and printed circuit boards, and particularly to a thermosetting composite resin composition mixed with COP (Cyclo Olefin Polymer) and thermally cross-linkable resin, wherein the COP having excellent electrical characteristics at a high frequency and thermally cross-linkable resin are blended to allow having a less dielectric constant and a less dielectric loss than those of the conventional composite resin composition, and inorganic fillers such as ceramic material, metal material, carbon black are added to allow having dielectric characteristics covering from a low dielectric constant to a high dielectric constant.Type: ApplicationFiled: September 18, 2007Publication date: January 8, 2009Inventors: Myong Jae Yoo, Woo Sung Lee, Seong Dae Park, Se Hoon Park
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Publication number: 20080319118Abstract: Polymer dispersions containing water, at least one water-dispersible polymer, and at least two ions or elements selected from the group consisting of Li, Ba, Sr, B, Co, Cu, Mn, Mo, Ni, Ag, Pb, Zn, W, La, Ce and Sn or salts thereof. The ions or elements are present in the dispersion in amounts of at least 10 ppm.Type: ApplicationFiled: August 29, 2008Publication date: December 25, 2008Applicant: Henkel AG & Co. KGaAInventors: Bernhard Gruenewaelder, Thomas Empt, Birgit Ness, Horst Beck
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Publication number: 20080306202Abstract: Exemplary embodiments provide intermediate transfer members that can be used in electrostatographic devices and methods for using them in forming an image. The disclosed intermediate transfer members can include a plurality of nanotubes with high electrical conductivity, high thermal conductivity, and/or low humidity sensitivity. The hydrophobicity of the nanotubes can be controlled by covalently grafting hydrophobic components onto one or more nanotubes; surface treating one or more nanotubes; and encapsulating one or more nanotubes with hydrophobic components. In an exemplary embodiment, the nanotubes can be dispersed in polymer matrices and/or formed on the surface of polymer matrices of the intermediate transfer members. The intermediate transfer members can take various forms of belts, sheets, webs, films, rolls, tubes or any shape that can provide a smooth surface and rotatable function.Type: ApplicationFiled: June 8, 2007Publication date: December 11, 2008Inventors: Liang-Bih Lin, Daniel Levy, Jin Wu
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Patent number: 7459496Abstract: This invention relates to waterbone coating compositions having improved compatability with metal pigments, i.e., improved shelf life and reduced gassing and gellation. The composition comprise at least one aqueous dispersion of (1) at least one emulsion copolymer polymerized from (a) at least one ethylenically unsaturated anionic monomer and (b) at least one other olefinically unsaturated monomer, said copolymer being made using at least one phosphate surfactant having at least one phosphorus acid group or salt thereof, said copolymer being crosslinked, and (2) at least one non-water soluble metal pigment. The compositions are useful in paints and other coatings.Type: GrantFiled: August 26, 2005Date of Patent: December 2, 2008Assignee: Lubrizol Advanced Materials, Inc.Inventors: Shui-Jen Raymond Hsu, Tina R. Dame, Prashant Patel
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Publication number: 20080292894Abstract: A chrome free composition for metal surface treatment and a surface-treated metal sheet can provide excellent characteristics of high conductivity, corrosion resistance, alkali resistance, and high temperature and humidity resistance. The composition includes a vinyl based binder resin, an acryl based binder resin, and a solvent. In the vinyl based binder resin, a corrosion-resistant inorganic material is combined, and an amount of the vinyl based binder resin is in a range of 10 weight % to 70 weight % with respect to a total solid content. In the acryl based binder resin, a corrosion-resistant inorganic material is combined, and an amount of the acryl based binder resin is in a range of 15 weight % to 75 weight % with respect to the total solid content. An amount of the corrosion resistance inorganic material is in a range of 3 weight % to 25 weight % with respect to a total solid content.Type: ApplicationFiled: December 22, 2005Publication date: November 27, 2008Applicant: POSCOInventors: Rho-Bum Park, Ki-Duck Park, Hong-Jong Yoo, Kook-Jin Han, Yeong-Sool Jin, Sang-Keol Noh
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Publication number: 20080292801Abstract: The present invention concerns adhesive compositions that provide corrosion-preventative properties and improved adhesive bonding on corrodible surfaces, such as may be found in electronic components. These compositions provide the substrates with greatly increased resistance to corrosion, especially during long term exposure to high temperatures and/or high humidity. When used on conductive substrates, the compositions also maintain good initial and ongoing electrical conductivity.Type: ApplicationFiled: May 23, 2007Publication date: November 27, 2008Applicant: National Starch and Chemical Investment Holding CorporationInventors: Jayesh P. Shah, Bo Xia, Chih-Min Cheng
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Publication number: 20080287585Abstract: The present invention relates generally to the fields of chemistry and molecular biology. More particularly, the present invention relates to thermally-conductive compositions and reaction tubes for chemical- and biochemical-based analytical processing. Compositions and reaction tubes in accordance with the invention comprise at least one plastic and at least one compound having a higher thermal conductivity than the at least one plastic to result in compositions and tubes having increased thermal conductivity when compared to the at least one plastic alone. Such compositions and tubes are capable of facilitating rapid heat transfer in numerous heat transfer applications. The thermally-conductive compositions and reaction tubes are especially suitable for containing reaction constituents during thermal cycling of the polymerase chain reaction (PCR).Type: ApplicationFiled: May 14, 2007Publication date: November 20, 2008Inventor: Larry R. BROWN
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Publication number: 20080277630Abstract: With respect to the metal colloid of the present invention, metal colloidal particles capable of forming a metal colloid by dispersing in either or both of an aqueous dispersion medium and a nonaqueous dispersion medium in a predetermined proportion while mixing, comprise metal particles and a protective agent coordination-modified on the surface of the particles, the protective agent having a carbon skeleton containing either or both of sulfur and oxygen in the molecule, and having a structure of being coordination-modified on the surface of the metal particles using an atom or an atomic group of either or both of sulfur and oxygen as an anchor, wherein the protective agent has one, or two or more functional groups selected from the group consisting of alkoxysilyl group, silanol group and hydroxyalkyl group in a molecular structure.Type: ApplicationFiled: June 22, 2005Publication date: November 13, 2008Inventors: Reiko Kiyoshima, Toshiharu Hayashi
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Publication number: 20080274317Abstract: The present invention relates to titanium-catalyzed polyethylene terephthalate resins that are capable of being formed into articles (e.g., carbonated soft drink and water bottle preforms) at reduced injection-molding cycle times. In particular, the titanium-catalyzed polyethylene terephthalate resins of the present invention can be formed into carbonated soft drink bottle preforms at reduced injection-molding cycle times to yield high-clarity, carbonated soft drink bottles that possess satisfactory resistance to stress cracking and thermal creep.Type: ApplicationFiled: May 21, 2008Publication date: November 6, 2008Applicant: WELLMAN, INC.Inventors: David Eugene Thompson, Carl Steven Nichols, Tony Clifford Moore, Sharon Sue Griffith, Billy Mack Humelsine, Robert Joseph Schiavone
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Publication number: 20080275171Abstract: A composite having a flexible hydrogel polymer formed by mixing an organic phase with an inorganic composition, the organic phase selected from the group consisting of a hydrogel monomer, a crosslinker, a radical initiator, and/or a solvent. A polymerization mixture is formed and polymerized into a desired shape and size.Type: ApplicationFiled: February 22, 2006Publication date: November 6, 2008Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Jie Song, Eduardo Saiz, Carolyn R. Bertozzi, Antoni P. Tomsia
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Publication number: 20080269395Abstract: Disclosed are metal plating compositions for plating a metal on a substrate. The metal plating compositions include compounds which influence the leveling and throwing performance of the metal plating compositions. Also disclosed are methods of depositing metals on a substrate.Type: ApplicationFiled: April 2, 2008Publication date: October 30, 2008Applicant: Rohm and Haas Electronic Materials LLCInventors: Erik Reddington, Gonzalo Urrutia Desmaison, Zukra I. Niazimbetova, Donald E. Cleary, Mark Lefebvre
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Patent number: 7439294Abstract: Polyester compositions are disclosed that include polyester polymers or copolymers having incorporated therein metallic titanium particles that improve the reheat properties of the compositions. Processes for making such compositions are also disclosed. The titanium particles may be incorporated in the polyester by melt compounding, or may be added at any stage of the polymerization, such as during the melt-phase of the polymerization. A range of particle sizes may be used, as well as a range of particle size distributions. The polyester compositions are suitable for use in packaging made from processes in which a reheat step is desirable.Type: GrantFiled: August 11, 2006Date of Patent: October 21, 2008Assignee: Eastman Chemical CompanyInventor: Zhiyong Xia
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Publication number: 20080255280Abstract: Polymer blends suitable for packaging are disclosed that include a transition metal; one or more polyamide homopolymers or copolymers; and one or more polyethylene terephthalate homopolymers or copolymers obtained by a melt phase polymerization using a catalyst system comprising aluminum atoms in an amount, for example, from about 3 ppm to about 60 ppm and one or more alkaline earth metal atoms, alkali metal atoms, or alkali compound residues in an amount, for example, from about 1 ppm to about 25 ppm, in each case based on the weight of the one or more polyethylene terephthalate homopolymers or copolymers The polymer blends disclosed exhibit improved oxygen-scavenging activity compared with blends made using polymers prepared with conventional catalyst systems.Type: ApplicationFiled: April 11, 2007Publication date: October 16, 2008Inventors: Susan Sims, Mark Edward Stewart, Jason Christopher Jenkins, Rodney Scott Armentrout, Richard Dalton Peters, Michael Duane Cliffton, Frederick Leslie Colhoun, Stephen Weinhold
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Publication number: 20080246185Abstract: A lamp body is an enclosing structure that encloses a blue light-emitting crystal to form a LED structure. In a method of manufacturing frame body of the LED, resin, titanium, and fluorescent powder are mixed uniformly to constitute a composition of frame body, then the composing materials being placed into a mould for processing a thermally pressing procedure to thus form a frame body. By the blue light emitted from the blue light-emitting crystal, the fluorescent powder of the frame body may be excited to emit uniform yellow light, which may be further mixed with the blue light to become white light.Type: ApplicationFiled: April 4, 2007Publication date: October 9, 2008Inventors: Bily Wang, Jonnie Chuang, Chia-Hung Chen
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Publication number: 20080248209Abstract: The present invention is directed to a process for the preparation of an aqueous dispersion of coacervates having a core-shell structure, the core (a) being an inorganic particle being anionic or cationic and the shell (b) being a copolymer wherein said copolymer comprises at least two parts, A and B, part A being cationic if particle (a) is anionic, and anionic if particle (a) is cationic, and part B being neutral in pH conditions of said dispersion. More particularly, the invention is directed to treating compositions comprising that aqueous dispersion of coacervates delivering antifouling, water sheeting, antisoiling, anti-adhesion, adhesion, anti-deposition, and/or anti-UV properties onto all kinds of surfaces.Type: ApplicationFiled: July 11, 2007Publication date: October 9, 2008Inventors: Jean Paul Chapel, Mikel Morvan, Ling Qi
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Patent number: 7431862Abstract: A method of forming nano composites within a polymer structure comprises exposing a wettable polymer having ion-exchangeable groups pendant therefrom to an aqueous solution of a soluble salt containing metal ions, the metal ions replacing, by ion exchange, the pendant groups on the polymer. After ion exchange the polymer is exposed to a reducing agent forming metal oxides trapped within the polymer structure.Type: GrantFiled: April 30, 2004Date of Patent: October 7, 2008Assignee: ColdWatt, Inc.Inventors: Vivek Mehrotra, Ira Goldberg
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Publication number: 20080234417Abstract: The invention relates to a binding agent comprising an aqueous, film-forming, polymeric siloxane. The invention also relates to a coating agent that is produced using said binding agent and to a workpiece that is coated with said coating agent.Type: ApplicationFiled: March 21, 2005Publication date: September 25, 2008Inventors: Thomas Kruse, Bettina Werner, Gerhard Reusmann
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Patent number: 7422789Abstract: A cathodic protection polymeric compound is disclosed. The compound has flowable material to serve as a binder, carbonaceous conductive media dispersed in the flowable material, sacrificial metal particles also dispersed in the flowable material. The carbonaceous conductive media serve as a carbon-based electron transfer agent and are in the form of particles, platelets, fibers, tubes, or combinations thereof. A galvanic circuit is formed by the metal particles serving as anodes, a metal substrate to be protected serving as the cathode, and the conductive media serving as the electron transfer agent. The flowable material can also include an ionically conductive or an inherently conductive polymer to further enhance the galvanic circuit.Type: GrantFiled: October 22, 2004Date of Patent: September 9, 2008Assignee: Polyone CorporationInventors: Roger W. Avakian, Stephen D. Horton, John H. Hornickel
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Publication number: 20080213578Abstract: Provided is a heat conductive silicone grease composition, including: an organopolysiloxane containing 2 or more alkenyl groups bonded to silicon atoms within each molecule, an organopolysiloxane with a specific structure and with a kinematic viscosity at 25° C. of 10 to 10,000 mm2/s, an alkoxysilane containing specific substituent groups, an organohydrogenpolysiloxane containing 2 or more SiH groups within each molecule, a heat conductive filler, a platinum-based catalyst, and an addition reaction retarder. The heat conductive silicone grease composition exhibits high thermal conductivity, has excellent fluidity prior to curing and therefore exhibits favorable workability, is capable of filling fine indentations and therefore reduces contact resistance, and is also able to prevent oil separation and bleeding of the heat conductive material following curing, meaning the composition exhibits excellent heat radiation performance and reliability.Type: ApplicationFiled: July 11, 2007Publication date: September 4, 2008Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Akihiro Endo, Kei Miyoshi, Kunihiro Yamada
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Publication number: 20080207814Abstract: A thermally conductive adhesive composition includes a powder of a high melting point metal or metal alloy, a powder of a low melting point metal or metal alloy, and a polymerizable fluxing polymer matrix composition having a polyepoxide polymer resin and a low-melting solid or liquid acid-anhydride and a polymer diluent or diluents with carbon carbon double bonds and/or functional hydroxyl groups. The ratio by weight of the low melting point powder to high melting point powder ranges from about 0.50 to about 0.80, and may range from about 0.64 to about 0.75, and may be 0.665. Heretofore unpredicted substantially higher thermal conductivity improvements in performance have been found using these ratios of low melting point powder to high melting point powder.Type: ApplicationFiled: February 19, 2008Publication date: August 28, 2008Applicant: Aguila Technologies, inc.Inventors: Matthew Wrosch, Miguel Albert Capote, Janet Fox, Alan Grieve
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COATING COMPOSITIONS EXHIBITING CORROSION RESISTANCE PROPERTIES, RELATED COATED ARTICLES AND METHODS
Publication number: 20080199721Abstract: Disclosed are coating compositions, such as primer compositions, suitable for providing corrosion protection to metal substrates, as well as related coated articles and methods.Type: ApplicationFiled: April 24, 2008Publication date: August 21, 2008Applicant: PPG INDUSTRIES OHIO, INC.Inventors: Matthew S. Scott, Richard F. Syput, Steven R. Zawacky -
Publication number: 20080194736Abstract: The present invention relates to a process and a product of forming polymer (especially PVC) nanocomposites with a variety of nanofillers. The present invention provides a method for forming a polymer nanocomposite, comprising powder mixing a composition comprising polymer resin, a nanofiller, and a coupling agent for a residence time of about 4 to about 8 minutes to form a dry blend and extruding the dry blend in an extrusion process. Additionally, the present invention relates to a polymer nanocomposite formed by a process, comprising powder mixing a polymer resin, a nanofiller, and a coupling agent for a residence time of about 4 to about 8 minutes to form a dry blend and extruding the dry blend in an extrusion process to achieve homogeneous dispersion of nanofillers in the polymer matrix.Type: ApplicationFiled: February 13, 2007Publication date: August 14, 2008Inventor: Minqiu Lu
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Patent number: 7402622Abstract: An powder injection molding composition is disclosed. The composition comprises caprolactam and a plurality of particles, where that plurality of particles is selected from a metal powder, a metal hydride powder, a ceramic powder, a ferrite powder, and mixtures thereof. The composition optionally further comprises a wax and polymeric material.Type: GrantFiled: October 22, 2002Date of Patent: July 22, 2008Inventor: John Lombardi
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Publication number: 20080161472Abstract: Oxygen-scavenging polyester compositions are disclosed that comprise one or more polyesters having incorporated therein residues of 3-hexenedioic acid and terephthalic acid. The compositions may further comprise residues of one or more aliphatic dicarboxylic acids such as adipic acid. One or more of the polyesters of the compositions may comprise significant amounts of repeating units of polyethylene terephthalate as homopolymers or copolymers, making them suitable for us in packaging compositions having oxygen-scavenging properties.Type: ApplicationFiled: December 28, 2006Publication date: July 3, 2008Inventors: Jason Christopher Jenkins, Rebekah Fauver Morrow, Mark Edward Stewart
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Publication number: 20080160290Abstract: A method of fabricating an aligned nanoparticle channel, including a first step of forming a polymer nanoparticle blended composite by dispersing nanoparticles in a first polymer; a second step of forming a binary polymer nanoparticle blended composite by melt-blending the polymer nanoparticle blended composite with a second polymer, which is immiscible with the first polymer, and then cooling the mixture; and a third step of forming an aligned nanoparticle channel by applying a shear force to the binary polymer nanoparticle blended composite such that the nanoparticles dispersed in the first polymer are aligned in a direction parallel to the shear force, and an aligned nanoparticle channel fabricated using the method.Type: ApplicationFiled: August 28, 2007Publication date: July 3, 2008Applicant: Korea Electrotechnology Research InstituteInventors: Su Dong Park, Dong Hee Han, Young Hwan Kwon
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Patent number: 7390842Abstract: The invention includes pigment compositions for plastics comprising one or more flake-form effect pigments, a carrier material and one or more fluorine-containing polymers, to a process for the preparation of the pigment compositions, and to the use thereof for pigmenting plastics and for the production of masterbatches.Type: GrantFiled: October 1, 2004Date of Patent: June 24, 2008Assignee: Merck Patent Gesellschaft Mit Beschrankter HaftungInventors: Manfred Kieser, Emil F. Aust, Hans-Jürgen Brehm
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Publication number: 20080139722Abstract: Compositions comprising a carbon containing nano-material, a curable matrix, and a block copolymer comprising a functional block and a non-functional block, wherein no block is compatible with the curable matrix. Also provided are cured compositions, multi-layer articles comprising the compositions, and multi-layer articles comprising the cured compositions. Further provided is a method for increasing the material dampening of a polymer composition comprising mixing a curable matrix, a carbon containing nano-material, and a block copolymer comprising a functional block and a non-functional block.Type: ApplicationFiled: December 7, 2007Publication date: June 12, 2008Inventors: Terri A. Shefelbine, James M. Nelson, Dmitriy Salnikov, Ryan E. Marx
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Patent number: 7384576Abstract: The present invention provides a mixture containing a) at least 26 wt. % of gadolinium and b) one or more elements, alloys and/or compounds from the group consisting of barium, indium, tin, lanthanum, molybdenum, niobium, tantalum, zirconium and tungsten, a process for the preparation of this mixture, use of the mixture as radiation protection, use of the mixture to prepare polymeric radiation protection substances, a process for preparing radiation screening rubbers, thermoplastic materials and polyurethanes, a process for preparing products from the polymeric radiation protection substances and products made from these polymeric radiation protection substances.Type: GrantFiled: December 12, 2003Date of Patent: June 10, 2008Assignee: LANXESS Deutschland GmbHInventors: Hardy Jüngermann, Jürgen Kirsch, Heinz Pudleiner, Burkhard Werden, Edgar Leitz, Detlev Joachimi, Peter-Alexander Gottschalk, Klaus Zander, Klaus Mader, Richard Kopp, Alexander Iwanovitsch Korschunow, Konstantin Awtonomowitsch Kapitanow, Gennadij Grigorjewitsch Sawkin, Wladimir Michajlowitsch Nikitin, Jelena Saweljewna Nasarowa, Igor Leonidowitsch Ryshakow
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Publication number: 20080123174Abstract: We present an invention on the synthesis of elastic, bio-compatible functional microstructures wherein the designed electrical functionalities are achieved by mixing conducting nano to micro-particles with PDMS gels. The methodology for constructing planar and three-dimensional microstructures by soft-lithographic technique is presented. Applications such as electrodes, conducting strips, two and three-dimensional microstructures for electrical wiring connections, micro heaters, micro heater arrays, flexible thermochromic displays, and applications for microfluidic devices are demonstrated, all with demonstrated elastic flexibility and fall-proof characteristics while maintaining their functionalities. Results obtained are very promising for the utilization of such composites in future micro-fabrications, especially for the bio-chips and microfluidic devices.Type: ApplicationFiled: October 4, 2007Publication date: May 29, 2008Applicant: THE HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Weijia Wen, Ping Sheng, Xize Niu, Kiyu Liu
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Publication number: 20080096030Abstract: Provided is a room temperature-curable, heat-conductive silicone rubber composition, including: (A) a diorganopolysiloxane with both molecular chain terminals blocked with hydroxyl groups and/or organooxy groups, (B) a heat-conductive filler other than a palladium powder, (C) an organosilane containing two or more hydrolyzable groups, and/or a partial hydrolysis-condensation product thereof, and (D) a palladium powder. The composition improves on the drawbacks of the conventional technology, is able to suppress the quantity of hydrogen gas produced from the heat-conductive filler, exhibits superior storage properties, and yields a low-hardness cured product upon curing. The cured product is useful as a heat-conductive material for a heat-generating electronic component.Type: ApplicationFiled: October 17, 2007Publication date: April 24, 2008Applicant: Shin -Etsu Chemical Co., Ltd.Inventors: Jun HORIKOSHI, Tsuneo Kimura
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Patent number: 7358292Abstract: The present invention provides a relay block inhibited from occurrence of melt wrinkles and considerably inhibited from deformation of thin wall portions. That is, the present invention provides a relay block obtained by molding a resin composition which contains a polyamide, a polyphenylene ether and a block copolymer comprising at least one polymer block mainly composed of an aromatic vinyl compound and at least one polymer block mainly composed of a conjugated diene compound and which has a melt volume rate of not less than 60 cm3/10 min. and a dimensional change after water absorption of not more than 1.0%.Type: GrantFiled: April 2, 2003Date of Patent: April 15, 2008Assignee: Asahi Kasei Chemicals CorporationInventors: Takaaki Miyoshi, Shigeki Katayama
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Patent number: 7354968Abstract: The present invention provides a thermoplastic resin composition having a high specific gravity, flexibility and excellent processability that can be used as a material for forming various articles requiring both massiveness and flexibility. This thermoplastic resin composition contains 2.5 to 15 wt % of a styrene-based thermoplastic elastomer and 85 to 97.5 wt % of tungsten powder, and an molded article is obtained by melting and kneading this thermoplastic resin composition. This article can be used preferably as a balance weight attached to a wheel of an automobile, sports goods or the like.Type: GrantFiled: October 9, 2001Date of Patent: April 8, 2008Assignee: Sumitomo Rubber Industries, Ltd.Inventors: Tetsuo Nishikawa, Kazuo Haruta, Toshiaki Sakaki, Tetsuo Mizoguchi
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Publication number: 20080076863Abstract: A polyester resin composition having an equivalent spherical diameter of 1 mm to 50 mm, a degree of crystallization of not less than 65% and less than 99%, an intrinsic viscosity of not more than 0.7 dl/g and a cyclic trimer content of not more than 0.4% by weight. This polymer resin composition has an excellent color tone, causes no significant viscosity lowering or viscosity rise, and can withstand a process which is exposed to a long-term thermal history. A polyester resin composition having a viscosity suitable for extrusion in a general-purpose manner, a production process thereof, and a polyester film are also provided.Type: ApplicationFiled: May 24, 2005Publication date: March 27, 2008Inventors: Yoshihiro Honma, Jun Sakamoto, Masahiro Kimura
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Patent number: 7348366Abstract: An elastomer blend is made by admixing fluoroelastomer and fluorinated silicone polymer (with optional filler and/or conductive particulate) into a polymeric admixture in weight ratios to provide a low vaporous hydrocarbon permeation rate and high thermal strain value in thermally robust elastomer cured from the blend. The blend is of especial use for making gaskets for use in high stress conditions at elevated operating temperatures.Type: GrantFiled: April 7, 2005Date of Patent: March 25, 2008Assignee: Freudenberg-NOK General PartnershipInventors: Francis Joseph Walker, Paul J. Hochgesang
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Patent number: 7348374Abstract: According to the present invention, powder coating compositions comprise one or more than one thermoplastic or thermosetting polymer or resin and one or more than one finely divided magnetic material, such as a ferromagnetic material. Preferred magnetic materials include Ni1?xZnxFe2O4 compounds, wherein 0.4?X?0.75, piezoelectric compounds, ferrimagnetic ?FeOOH, Fe—Ni—B, Cu2MnIn, transparent polymer-Cobalt oxide nanocomposites and soft ferrites. In addition, the present invention provides methods of making powder coatings on a substrate comprising applying to a substrate a resinous powder coating composition comprising one or more than one magnetic material to form a powder coating layer, followed by induction heating to melt the applied powder coating to form a coating film and, optionally, to cure the powder coating.Type: GrantFiled: November 5, 2004Date of Patent: March 25, 2008Assignee: Rohm and Haas CompanyInventor: Franco Martinazzo
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Patent number: 7345105Abstract: A conductive adhesive composition is obtained by mixing a binder resin with 30-98 wt % based on the adhesive composition of a silver powder as a conductive agent. The silver powder contains a silver powder consisting of flat primary particles and having a massive agglomerate structure and a tap density of 0.1-1.5 g/cm3 in an amount of 30-98 wt % based on the adhesive composition. The conductive adhesive composition cures into a product having improved conductivity, adhesion, heat resistance, moisture resistance, ease of working and heat transfer.Type: GrantFiled: December 18, 2003Date of Patent: March 18, 2008Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Masachika Yoshino, Motoo Fukushima, Toshio Shiobara
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Publication number: 20080063795Abstract: Provided is an insulating layer in which an inorganic material is added to an organic polymer to thereby improve the insulating properties, an organic thin film transistor using the insulating layer, and a method of fabricating the organic thin film transistor. An insulating layer for an organic thin film transistor including a vinyl polymer and an inorganic material is provided. Here, a weight ratio of the vinyl polymer to the inorganic material may be in the range of 1:0.0001 to 1:0.5. Accordingly, it is possible to fabricate a thin film at low temperature and, further, to fabricate an insulating layer having a high-dielectric constant, not affecting other layers formed in the previous processes during the formation of the insulating layer.Type: ApplicationFiled: July 25, 2007Publication date: March 13, 2008Inventors: Gi Heon KIM, Sung Min YOON, Kyu Ha BAEK, In Kyu YOU, Seung Youl KANG, Seong Deok AHN, Kyung Soo SUH
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Publication number: 20080020157Abstract: Provided are adhesive compositions comprising a mixture of a maleimide terminated polyimide resin, a thermoplastic resin compatible with the maleimide terminated polyimide resin, a thermally activated free radical curing agent, and electrically conductive particles and/or scrim. Various embodiments add a silane coupling agent and/or an ethylenically unsaturated compound with acid functionality. Methods of using the compositions also are provided.Type: ApplicationFiled: July 21, 2006Publication date: January 24, 2008Inventors: Eric G. Larson, Glen Connel
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Patent number: 7312257Abstract: Embodiments of this invention comprise a pigment comprising one or more substantially spherical-shaped beads, wherein each substantially spherical-shaped bead comprises one or more high aspect ratio particles encapsulated within an encapsulating material. Embodiments also comprise a resinous composition comprising said pigment. Yet further embodiments comprise a method of preparing said pigment via suspension polymerization.Type: GrantFiled: January 23, 2003Date of Patent: December 25, 2007Assignee: General Electric CompanyInventors: Stanley Young Hobbs, Fazila Seker, Daniel Steiger, Christopher Mark Hartshorn, Ali Ersin Acar, Robert Edgar Colborn, Eelco Michiel Sebastiaan van Hamersveld
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Publication number: 20070293624Abstract: Provided is a heat conductive silicone grease composition, including: (A) 100 parts by volume of an organopolysiloxane of a specific structure with a kinematic viscosity at 25° C. within a range from 10 to 100,000 mm2/s, (B) 0.1 to 50 parts by volume of an organopolysiloxane that functions as a wetter and contains a triorganooxysilyl group bonded to one terminal via an alkylene group that may be branched, and (C) 100 to 2,500 parts by volume of a heat conductive filler. The composition exhibits high thermal conductivity, displays excellent initial fluidity and is capable of retaining that fluidity over an extended period, and exhibits excellent heat radiation performance. Heat generated by a heat-generating body can be dissipated into a heat-radiating body by sandwiching the composition between the heat-generating body and the heat-radiating body.Type: ApplicationFiled: June 15, 2007Publication date: December 20, 2007Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Nobuaki MATSUMOTO, Kei Miyoshi, Kunihiro Yamada
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Patent number: RE40519Abstract: A conductive fluoro-resin composition of the addition reaction curing type is provided comprising (A) a reactive fluorinated polyether compound comprising fluorinated polyether units and having at least two aliphatic unsaturated hydrocarbon radicals in a molecule, (B) a compound having at least two hydrogen atoms each directly attached to a silicon atom, (C) a platinum group metal catalyst, and (D) silver particles. The composition cures into rubbery parts having improved heat resistance, weather resistance and solvent resistance and optionally forming firm bonds to various substrates.Type: GrantFiled: September 19, 2002Date of Patent: September 23, 2008Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Hironao Fujiki, Hiroyasu Hara, Kenichi Fukuda