Polymerizing, Cross-linking, Or Curing Patents (Class 264/477)
  • Patent number: 10676641
    Abstract: Curable silicone rubber compositions of high viscosity can be ballistically printed if the melt flow index is within a defined shear thinning range and the viscosity is also within a defined range.
    Type: Grant
    Filed: November 24, 2016
    Date of Patent: June 9, 2020
    Assignee: WACKER CHEMIE AG
    Inventors: Frank Achenbach, Ernst Selbertinger, Wolfgang Ziche
  • Patent number: 10392496
    Abstract: This invention relates to a polymeric pipe, and more particularly a polymeric pipe where the pipe comprises a crosslinked polyolefin formed from extruded polyolefin comprising a photoinitiator and a reactive extrusion species. More particularly, this invention relates to the manufacturing of plastic pipes and tubing by utilizing co-rotating twin screw extrusion combined with photo-induced crosslinking, of thermoplastic polymers such as polyethylene, to produce PEX pipes and tubing.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: August 27, 2019
    Assignee: Uponor Innovation AB
    Inventors: Jan Ericsson, Andrew Ortquist, Todd Menssen, Jacob John, Josh Meeker
  • Patent number: 10350828
    Abstract: 3-D printing transfers build material and support from an intermediate transfer belt (ITB) to a platen. The build material is the same as the support material, except that the build material includes a photoinitiator and the support material does not. The platen moves to make contact with the ITB, and the ITB transfers successive layers of build material and support material each time the platen contacts the ITB. The platen and a portion of the ITB that is adjacent the platen are heated prior to the platen contacting the ITB, and the same is exposed so as to crosslink polymers of build material, without crosslinking polymers of support material. The polymers of build material being crosslinked and the polymers of support material not being crosslinked makes the support material selectively soluble in a solvent.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: July 16, 2019
    Assignee: Xerox Corporation
    Inventors: John S. Facci, David C. Craig, David S. Derleth, Eliud Robles Flores, Varun Sambhy
  • Patent number: 10106699
    Abstract: Crosslinkable random copolymers comprising atom transfer radical polymerization (ATRP) initiators and crosslinked copolymer films formed from the copolymers are provided. The random copolymers, which are polymerized from one or more alkyl halide functional inimers and one or more monomers having a crosslinkable functionality, are characterized by pendant ATRP initiating groups and pendant crosslinkable groups.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: October 23, 2018
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Padma Gopalan, Daniel P. Sweat, Myungwoong Kim
  • Publication number: 20150130116
    Abstract: Provided are: a capsule for non-ferrous metal collection that can collect a non-ferrous metal; and a method for collecting a non-ferrous metal using same. The capsule for non-ferrous metal, collection comprises capsule contents and a covering section covering the capsule contents, and collects a non-ferrous metal within the capsule for non-ferrous metal collection by means of the capsule for non-ferrous metal collection being immersed in a solution containing a non-ferrous metal.
    Type: Application
    Filed: January 23, 2015
    Publication date: May 14, 2015
    Inventors: Yasuhiro KONISHI, Koshiro TAMAOKI, Ryosei KAMAGUCHI, Daisuke TAGAWA, Taku HASHIMOTO, Masaaki NAKATSUJI
  • Publication number: 20150096264
    Abstract: The present invention presents methods for making oxidation-resistant and wear-resistant polyethylenes and medical implants made therefrom. Preferably, the implants are components of prosthetic joints, e.g., a bearing component of an artificial hip or knee joint. The resulting oxidation-resistant and wear-resistant polyethylenes and implants are also disclosed.
    Type: Application
    Filed: December 10, 2014
    Publication date: April 9, 2015
    Inventors: Harry A. McKellop, Fu-Wen Shen
  • Publication number: 20150083207
    Abstract: The present invention provides a crosslinked polyethylene sealing material sheet for a solar-cell module offering exceptional heat resistance, wherein the sealing material sheet is provided with high metal-adhesion performance. A sealing material sheet for a solar-cell module comprises a sealing material sheet composition for a solar-cell module containing a polyethylene resin in a concentration of 0.900 g/cm3 or less, glycidyl methacrylate (GMA), a radical polymerization initiator, and triallyl isocyanurate (TAIC), wherein the GMA content of the sealing material sheet is 0.15 to 3.0% by mass, the TAIC content of the sealing material sheet is 0.15 to 3.0% by mass, and the radical polymerization initiator content of the sealer is 0.01 to 2.5% by mass.
    Type: Application
    Filed: March 28, 2013
    Publication date: March 26, 2015
    Inventors: Yasushi Shirahige, Kosuke Saeki, Hidenori Assai, Toshio Yoshihara
  • Patent number: 8968627
    Abstract: The present invention relates to a process for the manufacturing of continuously shaped cured silicone articles, particularly extrusions articles and the use of silicone compositions containing a photoactivatable metal catalyst in said process, wherein the curing is initiated by visible or UV-light.
    Type: Grant
    Filed: July 4, 2008
    Date of Patent: March 3, 2015
    Assignee: Momentive Performance Materials GmbH
    Inventors: Uwe Irmer, Dieter Wrobel, Yi-Feng Wang
  • Publication number: 20150048554
    Abstract: The invention relates to a biodegradable material made of biological components, comprising 10 to 60 wt. % of a protein adhesive (1), which is made of at least one protein, and 2 to 50 wt. % of natural fibers (4). Furthermore, 2 to 15 wt. % of at least one hygroscopic mineral (7), 10 to 55 wt. % of water (2), and 0 to 50 wt. % of an additive component (5) are provided in the material (10).
    Type: Application
    Filed: April 15, 2013
    Publication date: February 19, 2015
    Applicant: FLUID SOLIDS AG
    Inventors: Beat Karrer, Daniel Schwendemann, Bettina Müller, Florian Gschwend
  • Publication number: 20150034361
    Abstract: The TPU of this invention contains unsaturation in its polymeric backbone. The unsaturation can be present in the soft segment or in the hard segment or in both the soft and hard segments of the TPU. The TPU can be molded like a thermoplastic, and can be subsequently crosslinked by exposure to electron beam irradiation into thermoset articles having excellent chemical resistance, dimensional stability, set properties, heat resistance, oxidative resistance, and creep resistance. In one embodiment, the TPUs of this invention are the reaction product (1) a hydroxyl terminated intermediate, (2) a polyisocyanate, (3) a saturated glycol chain extender, and (4) a glycol chain extender containing carbon-carbon double bonds, such as the allyl moieties present in trimethylolpropane monoallyl ether.
    Type: Application
    Filed: October 21, 2014
    Publication date: February 5, 2015
    Inventors: Umit G. Makal, George H. Loeber, Louis J. Brandewiede
  • Patent number: 8940851
    Abstract: Silicone fibers suitable for use as optical fibers are prepared by crosslinking an extruded mixture of a silicone resin and an organopolysiloxane, both containing aliphatically unsaturated groups, an organopolysiloxane bearing Si—H groups, and a light activatable trimethyl(methylcyclopentadienyl) platinum catalyst.
    Type: Grant
    Filed: October 19, 2011
    Date of Patent: January 27, 2015
    Assignee: Wacker Chemie AG
    Inventor: Philipp Mueller
  • Publication number: 20140377535
    Abstract: Pressure sensitive adhesive compositions containing 92 to 99.9 parts of a block copolymer adhesive composition and 0.1 to less than 8 parts of an acrylic adhesive composition are described. Tapes including such adhesives, and methods of making such tapes are also described.
    Type: Application
    Filed: September 12, 2014
    Publication date: December 25, 2014
    Inventors: Robert D. Waid, Panu K. Zoller, Gregory B. Gadbois
  • Publication number: 20140353877
    Abstract: Methods of controlling the degradation profile of a biodegradable stent scaffolding are disclosed. Disclosed methods include controlling features of the degradation profile including the time to loss of radial strength and the degradation time of the stent.
    Type: Application
    Filed: August 14, 2014
    Publication date: December 4, 2014
    Inventors: Yunbing Wang, Xiao Ma
  • Publication number: 20140355173
    Abstract: A uniaxially-stretched, high yield extruded film comprising a polyetherimide comprising units derived from polymerization of an aromatic dianhydride with a diamine selected from a meta-phenylene diamine, a para-phenylene diamine, and a combination thereof, wherein the polyetherimide is endcapped with an a substituted or unsubstituted aromatic primary monoamine; and wherein the high yield extruded film comprises at least 90 weight % of the polyetherimide before extrusion.
    Type: Application
    Filed: May 30, 2014
    Publication date: December 4, 2014
    Applicant: SABIC GLOBAL TECHNOLOGIES BV
    Inventors: Roy Ray Odle, Matthew Frank Niemeyer, Mark A. Sanner, Anne E. Bolvari, Neal Pfeiffenberger
  • Publication number: 20140272347
    Abstract: Thin walled products having good scratch resistance are disclosed, as are processes for making such products (e.g. films, sheets, and thin walled articles). The product includes a thin layer formed from (A) a cross-linkable polycarbonate resin having endcaps derived from a monohydroxybenzophenone; and (B) if desired, a base polymeric resin. When exposed to ultraviolet light, crosslinking will occur in the layer with the cross-linkable polycarbonate resin, enhancing the scratch resistance properties of the thin layer and the overall product.
    Type: Application
    Filed: March 14, 2014
    Publication date: September 18, 2014
    Applicant: SABIC Innovative Plastics IP B.V.
    Inventors: Kwan Hongladarom, Jean-Francois Morizur, Paul Dean Sybert
  • Publication number: 20140251532
    Abstract: A method includes premixing an anti-static additive and a first crosslinker to form an anti-static intermediate mixture where the anti-static additive is dispersed in the first crosslinker. The method also includes compounding the anti-static intermediate mixture and at least a portion of the first fluoropolymer to form a first compounded mixture. The method further includes extruding the first compounded mixture to form a layer.
    Type: Application
    Filed: May 12, 2014
    Publication date: September 11, 2014
    Applicants: Eaton Corporation, AGC Chemicals Americas, Inc.
    Inventors: Soumayajit Sarkar, Javed Mapkar, Edward Hummelt, Kenneth Phaneuf, Robert Michael Lefere, Joseph David Proof, Gregory James Chapman
  • Patent number: 8828295
    Abstract: A sealing unit for sealing a gap between a pair of surfaces includes a nozzle for injecting sealant into the gap, rollers, an endless track round the rollers, and a curing device. The sealing unit is moved along the length of the gap. A sealant is injected into the gap from the nozzle and the track is rotated around the rollers as they are moved along the length of the gap. The track is pressed onto first and second surfaces so the sealant in the gap is constrained by the track to lie substantially flush with the first and second surfaces. The sealing unit is moved along the length of the gap at a rate such that the sealant becomes sufficiently cured when it is in contact with the track so that the track can be peeled away from the sealant as the track rotates round the second roller.
    Type: Grant
    Filed: April 25, 2012
    Date of Patent: September 9, 2014
    Assignee: Airbus Operations Limited
    Inventor: Jeremy Bradley
  • Patent number: 8808607
    Abstract: A thermally conductive sheet has cut surfaces with low surface roughness and hence shows reduced thermal resistance at the interfaces, and high thermal conductivity in the thickness direction. Thus, the thermally conductive sheet can be interposed between any of various heat sources and a radiation member. The process for producing the thermally conductive sheet includes at least: an extrusion molding step in which a thermally conductive composition containing a polymer, an anisotropic thermally conductive filler, and a filler is extruded with an extruder to thereby mold an extrusion-molded product in which the anisotropic thermally conductive filler has been oriented along the extrusion direction; a curing step in which the extrusion-molded product is cured to obtain a cured object; and a slicing step in which the cured object is sliced into a given thickness with an ultrasonic cutter in the direction perpendicular to the extrusion direction.
    Type: Grant
    Filed: June 17, 2011
    Date of Patent: August 19, 2014
    Assignee: Dexerials Corporation
    Inventors: Hiroyuki Usui, Keisuke Aramaki
  • Publication number: 20140217648
    Abstract: An article comprising a yarn comprising an elastomeric propylene-based polymer composition; said polymer composition comprising at least one elastomeric propylene-based polymer, wherein said yarn has a draft greater than 200%; wherein said article is a fabric or a garment.
    Type: Application
    Filed: April 4, 2014
    Publication date: August 7, 2014
    Applicant: INVISTA NORTH AMERICA S.A R.L.
    Inventors: Robert O. WALDBAUER, JR., Young D. NGUYEN, Hong LIU, James Michael LAMBERT
  • Patent number: 8696974
    Abstract: An adhesive composition comprising 100 parts by weight of a fluorine-containing polymer and 2 to 30 parts by weight of an unsaturated compound containing at least one polar group selected from the group consisting of an epoxy group and a carboxyl group, wherein the fluorine-containing polymer has been graft-modified with the polar group-containing unsaturated compound by irradiation of ionizing radiation, a production process thereof, and formed products such as a heat-shrinkable tube equipped with a layer composed of the adhesive composition.
    Type: Grant
    Filed: August 26, 2010
    Date of Patent: April 15, 2014
    Assignee: Sumitomo Electric Fine Polymer, Inc.
    Inventors: Kiyoaki Moriuchi, Hiroshi Hayami, Shinya Nishikawa
  • Publication number: 20140077419
    Abstract: A fluorocarbon resin composite includes a fluorocarbon resin layer on a base, in which a fluorocarbon resin constituting the fluorocarbon resin layer is crosslinked by electron beam irradiation, and the base has a desired shape obtained by machining. The fluorocarbon resin is composed of a tetrafluoroethylene-perfluoro(alkyl vinyl ether) copolymer, polytetrafluoroethylene, or a mixture of the tetrafluoroethylene-perfluoro(alkyl vinyl ether) copolymer and polytetrafluoroethylene. A fluorocarbon resin composite, cookware, and a roller and a belt for use in office automation equipment are each produced by applying an uncrosslinked fluorocarbon resin on a base, subjecting the fluorocarbon resin to electron beam irradiation in a low-oxygen atmosphere to crosslink the fluorocarbon resin while the temperature of the fluorocarbon resin is maintained at a temperature equal to or higher than the melting point of the fluorocarbon resin, and machining the base into a desired shape.
    Type: Application
    Filed: November 25, 2013
    Publication date: March 20, 2014
    Applicant: SUMITOMO ELECTRIC FINE POLYMER, INC.
    Inventors: Kazuaki IKEDA, Nobutaka MATSUSHITA, Yoshimasa SUZUKI
  • Patent number: 8669299
    Abstract: 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.
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: March 11, 2014
    Assignee: Zimmer, Inc.
    Inventors: Alicia Rufner, John Knight, Toni Rowe, Dirk Pletcher, Ray Gsell, Werner Schneider, Hallie E. Brinkerhuff
  • Patent number: 8664290
    Abstract: 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.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: March 4, 2014
    Assignee: Zimmer, Inc.
    Inventors: Alicia Rufner, John Knight, Toni Rowe, Dirk Pletcher, Ray Gsell, Werner Schneider, Hallie E. Brinkerhuff
  • Patent number: 8658077
    Abstract: Oligoamines, such as a compound of the formula H2N(CH2CH2NH)nH in which n is an integer of 2-10, crosslink polymers containing carboxyl functionality unexpectedly faster than conventional diamines such as 1,6-diaminohexane. The combination of an ethylene-acrylic acid copolymer with an oligoamine of this type is useful for, among other things, the production of crosslinked wire and cable insulation.
    Type: Grant
    Filed: August 5, 2009
    Date of Patent: February 25, 2014
    Assignee: Dow Global Technologies LLC
    Inventors: Bharat I. Chaudhary, Eric P. Wasserman
  • Publication number: 20140050871
    Abstract: An apparatus for forming a silicone article is disclosed. The apparatus includes an pumping system to deliver the silicone formulation to a die, the silicone formulation having a viscosity of less than about 2,000,000 centipoise; the die having a distal end, a proximal end, and a channel there between, wherein the silicone formulation flows through the channel of the die; and a source of radiation energy, wherein the radiation energy substantially cures the silicone formulation as the silicone formulation flows out the channel of the die to form the silicone article. The present disclosure further includes a method of forming the silicone article, a silicone tube, and a silicone extrudate.
    Type: Application
    Filed: August 14, 2013
    Publication date: February 20, 2014
    Inventors: Aijun Zhu, Adam P. Nadeau, Heidi Sardinha
  • Patent number: 8580175
    Abstract: A method of continuous curing and post-curing of a plurality of extruded strands is provided. A plurality of extruded strands is wrapped through a plurality of spindle units rotatably connected to a rigid frame structure. A plurality of dual spindles are provided in a plurality of upper and lower spindle units, wherein each dual spindle comprises a free spinning roller and a driven roller. A chamber that comprises a dual function chamber configured for heating and cooling is supported on the rigid frame structure. The plurality of extruded strands is continuously transferred between the upper spindle units and the lower spindle units such that the plurality of extruded strands runs in a vertical fashion that continuously alternates between the lower spindle units and the upper spindle units. Each of the plurality of strands is transferred independently of each other and continuously passed through the chamber for continuous curing and post-curing.
    Type: Grant
    Filed: October 8, 2012
    Date of Patent: November 12, 2013
    Inventor: Michael R. Thomas
  • Publication number: 20130260283
    Abstract: Organic-inorganic hybrid nanofibres comprising two phases: a first mineral phase comprising a structured mesoporous network with open porosity; and a second organic phase comprising an organic polymer, wherein said organic phase is basically not present inside the pores of the structured mesoporous network. A membrane and an electrode comprising said nanofibres. A fuel cell comprising said membrane and/or said electrode. A method of preparing said nanofibres by electrically assisted extrusion (electrospinning).
    Type: Application
    Filed: April 6, 2011
    Publication date: October 3, 2013
    Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, Commissariat a l'energie atomique et aux energies alternatives, UNIVERSITE PIERRE ET MARIE CURIE (PARIS 6)
    Inventors: Karine Valle, Philippe Belleville, Frank Pereira, Chrystel Laberty, Clément Sanchez, John Bass
  • Patent number: 8535586
    Abstract: A family of functionalized polymers is provided capable of forming membranes having exceptional OH? ionic conductivity as well as advantageous mechanical properties, which may be applied to membranes including such polymers for use in, e.g., AEMFC/HEMFC fuel cells. Preferred functional groups include a quaternary phosphonium, and the polymer may specifically be (tris(2,4,6-trimethoxyphenyl) phosphine)3 functionalized phosphonium polysulfone hydroxide, ECL-PVBC-QPOH, or QPOH based on any of the commercial polumers including polycarbonate (PC), poly(2,6-dimethyl-1,4-phenylene oxide) (PPO), polyetherimine (PEI), poly(ether sulfone) (PES), poly(phenylene sulfoxide) PPS, poly(ether ether ketone) (PEEK), or polybenzimidazole (PBI), polyvinyl chloride (PVC). An ionomer membrane may include polysulfone based TPQPOH, ECL-PVBC-QPOH, and/or PPO.
    Type: Grant
    Filed: April 20, 2011
    Date of Patent: September 17, 2013
    Assignee: The Regents of the University of California
    Inventors: Yushan Yan, Shuang Gu, Feng Wang
  • Patent number: 8536289
    Abstract: A process for the production of a corona-treated polyolefin film comprising the gas-phase polymerization of one or more ?-olefins in the presence of a polymerization catalyst and an antistatic agent having a molecular weight higher than 500, said antistatic agent being fed at any stage of the polymerization process in an amount from 30 to 500 ppm weight based on the weight of the produced polyolefin.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: September 17, 2013
    Assignee: Basell Polyolefine GmbH
    Inventors: Tiziana Caputo, Monica Galvan, Antonio Mazzucco, Paola Massari
  • Publication number: 20130200554
    Abstract: Silicone fibers suitable for use as optical fibers are prepared by crosslinking an extruded mixture of a silicone resin and an organopolysiloxane, both containing aliphatically unsaturated groups, an organopolysiloxane bearing Si—H groups, and a light activatable trimethyl(methylcyclopentadienyl) platinum catalyst.
    Type: Application
    Filed: October 19, 2011
    Publication date: August 8, 2013
    Applicant: WACKER CHEMIE AG
    Inventor: Philipp Mueller
  • Publication number: 20130190672
    Abstract: A method for creating a non-adhesive, water-absorbent wound dressing includes creating a mixture of monomers, crosslinker, initiator, and solvent, initiating polymerization of the monomers to begin polymerization of the monomers; quenching the polymerization of the monomers when the mixture has a viscosity suitable for electrospinning; electrospinning the polymer mixture to form a fibrous membrane; and thereafter further polymerizing and crosslinking the fibrous membrane. The monomers are chosen from select species and, following this process, provide wound dressings that are nonadherent to a wound so as to be potentially reusable; superabsorbent; non-biofouling. With the addition of antimicrobial cations, the wound dressings also provide antimicrobial properties.
    Type: Application
    Filed: January 25, 2013
    Publication date: July 25, 2013
    Applicant: The University of Akron
    Inventor: The University of Akron
  • Patent number: 8465682
    Abstract: An object of the present invention is to provide a semiconductive rubber belt wherein a variation in the electric resistance is decreased, in particular, in the belt circumferential direction so that high-quality images can be formed, and a process for producing the same. In order to achieve the object, in a case where on any single straight line extended in the belt circumferential direction, the maximum value of the molecular orientation ratio correction value MOR-C of the semiconductive rubber belt, the minimum value thereof, and the average thereof are set to satisfy a specified relationship.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: June 18, 2013
    Assignee: Toyo Tire & Rubber Co., Ltd.
    Inventor: Takahiro Nakagawa
  • Patent number: 8431065
    Abstract: Methods for making a crosslinked elastomeric composition and articles made of the same are provided. In at least one specific embodiment, an elastomeric composition comprising at least one propylene-based polymer is blended with at least one component selected from the group consisting of multifunctional acrylates, multifunctional methacrylates, functionalized polybutadiene resins, functionalized cyanurate, and allyl isocyanurate; and blended with at least one component selected from the group consisting of hindered phenols, phosphites, and hindered amines. The propylene-based polymer can include propylene derived units and one or more dienes, and have a triad tacticity of from 50% to 99% and a heat of fusion of less than 80 J/g. The blended composition can then be extruded and crosslinked. The extruded polymer can be crosslinked using electron beam radiation having an e-beam dose of about 100 KGy or less. The crosslinked polymers are particularly useful for making fibers and films.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: April 30, 2013
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventor: Sunny Jacob
  • Publication number: 20130066022
    Abstract: A shaped article, suitable for in a prosthetic device, is formed of polyethylene having a molecular weight of at least 3×105 g/mol as determined by ASTM 4020, and has a yield strength greater than 20 as determined by DIN EN ISO 527. The polyethylene is produced by polymerizing ethylene in the presence of a catalyst composition comprising a Group 4 metal complex of a phenolate ether ligand.
    Type: Application
    Filed: July 6, 2011
    Publication date: March 14, 2013
    Applicant: TICONA GMBH
    Inventors: Dominique Robert, Julia Hufen, Kerstin Lüdtke, Christian Meermann, Jens Ehlers
  • Publication number: 20130040139
    Abstract: There are provided surface-modified fine fibers that preserve the inherent physical properties of a matrix polymer, the surface of which is efficiently modified, that can be easily produced, and that are formed by an electrospinning method from a spinning material that is a resin composition including a fluorine-containing highly branched polymer (a) and a thermoplastic resin (b); a method for producing the fiber; and a method for modifying the surface of fine fibers.
    Type: Application
    Filed: February 16, 2011
    Publication date: February 14, 2013
    Applicants: NISSAN CHEMICAL INDUSTRIES, LTD., UNIVERSITY OF FUKUI
    Inventors: Nobuo Ogata, Naoki Shimada, Masayuki Haraguchi, Keisuke Odoi
  • Publication number: 20120245314
    Abstract: A process for the production of a corona-treated polyolefin film comprising the gas-phase polymerization of one or more ?-olefins in the presence of a polymerization catalyst and an antistatic agent having a molecular weight higher than 500, said antistatic agent being fed at any stage of the polymerization process in an amount from 30 to 500 ppm weight based on the weight of the produced polyolefin
    Type: Application
    Filed: December 17, 2010
    Publication date: September 27, 2012
    Applicant: Basell Poliolefine Italia, S.r.L.
    Inventors: Tiziana Caputo, Monica Galvan, Antonio Mazzucco, Paola Massari
  • Publication number: 20120153544
    Abstract: Technologies and implementations for providing melt processable poly(vinyl alcohol) blends and poly(vinyl alcohol) based membranes are generally disclosed.
    Type: Application
    Filed: December 16, 2010
    Publication date: June 21, 2012
    Applicant: EMPIRE TECHNOLOGY DEVELOPMENT LLC
    Inventor: Carlos A. Cruz
  • Patent number: 8202467
    Abstract: A method for extruding transparent and/or translucent article is provided. In one embodiment, the method comprises providing a propylene-based polymer comprising propylene derived units and one or more dienes, the propylene-based polymer having a triad tacticity of from 50% to 99% and a heat of fusion of less than 80 J/g, extruding the propylene-based polymer in the absence of processing oil into an article; and then crosslinking the extruded article.
    Type: Grant
    Filed: July 24, 2007
    Date of Patent: June 19, 2012
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Abdelhadi Sahnoune, Sunny Jacob
  • Patent number: 8187788
    Abstract: Disclosed is a photosensitive resin composition comprising an alkali-soluble resin, wherein the dissolution rate of the alkali-soluble resin in an aqueous sodium carbonate solution is not less than 0.04 ?m/sec. When a photosensitive layer having a thickness of 30 ?m is formed by applying the photosensitive resin composition onto a base and removing the solvent by heating, and thus-obtained photosensitive layer is irradiated with an active ray of 1000 mJ/cm2 or less, the dissolution rate of the portion irradiated with the active ray in the photosensitive layer made of the photosensitive resin composition is not less than 0.22 ?m/sec and the film residual rate of the portion not irradiated with the active ray is not less than 90%.
    Type: Grant
    Filed: April 24, 2007
    Date of Patent: May 29, 2012
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Kuon Miyazaki, Takashi Hayakawa
  • Publication number: 20120004335
    Abstract: This disclosure provides (meth)acryloyl pressure-sensitive adhesive foams and foam articles having one or more of the following properties: small cells, uniform cell sizes, pressure sensitive adhesive compositions, compliance to irregular substrates and vibration damping, and shock absorbing properties.
    Type: Application
    Filed: June 22, 2011
    Publication date: January 5, 2012
    Inventors: Craig E. Hamer, Ilyess H. Romdhane, Andrew Satrijo, Thomas E. Augustine, Neil J. Fischer, Michael C. Martin, Robert B. Secor, Robert D. Waid, Sharon Wang
  • Publication number: 20110318516
    Abstract: A cross-linked polyethylene pipe comprising an ethylene polymer with a density of at least 948 kg/m3 obtained by polymerisation with a single-site catalyst and having a shear thinning index SHI2.7/210 of less than 10; and wherein said pipe has a pressure test at 4.8 MPa and 95° C. of at least 500 h and at 12.4 MPa and 20° C. of at least 500 h.
    Type: Application
    Filed: October 30, 2009
    Publication date: December 29, 2011
    Applicant: BOREALIS AG
    Inventors: Anneli Pakkanen, Magnus Palmlof, Jeroen Oderkerk
  • Patent number: 8086336
    Abstract: Systems and methods are provided for designing and producing a custom-fit prosthesis. According to one embodiment, a mold is produced from which a custom-fit implant may be directly or indirectly manufactured. Medical image data representing surrounding portions of a patient's anatomy to be repaired by surgical implantation of the custom-fit implant are received. Then, three-dimensional surface reconstruction is performed based on the medical image data. Next, the custom-fit implant is designed based on the three-dimensional surface reconstruction and a positive or negative representation of a two-part mold is created with a void in the shape of the custom-fit implant by subtracting a representation of the custom-fit implant from a representation of a mold. Finally, the two-part mold is output from which the custom-fit implant may be directly manufactured; or an implant is directly output. Alternatively, an intermediate mold is created from which a two-part mold may be directly manufactured.
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: December 27, 2011
    Assignee: Medical Modeling Inc.
    Inventor: Andrew M. Christensen
  • Publication number: 20110304080
    Abstract: A geocell is disclosed that has high strength and stiffness, such that the geocell has a storage modulus of 500 MPa or greater at 23° C.; a storage modulus of 150 MPa or greater at 63° C. when measured in the machine direction using Dynamic Mechanical Analysis (DMA) at a frequency of 1 Hz; a tensile stress at 12% strain of 14.5 MPa or greater at 23° C.; a coefficient of thermal expansion of 120×10?6/° C. or less at 25° C.; and/or a long term design stress of 2.6 MPa or greater. The geocell is suitable for load support applications, especially for reinforcing base courses and/or subbases of roads, pavement, storage areas, and railways.
    Type: Application
    Filed: August 24, 2011
    Publication date: December 15, 2011
    Inventors: Izhar Halahmi, Oded Erez, Adi Erez
  • Patent number: 8038925
    Abstract: A waterproof and breathable lining structure includes a sheet-like waterproof and breathable foaming cushion layer made of a composition of a predetermined amount of low density polyethylene (LDPE) and a predetermined amount of foaming agent such as azodicarbonamide (ADCA), and a fabric lining layer integrally adhered to one side of the cushion layer to form the lining structure. The cushion layer is made by a process including the steps of: (a) palletizing raw materials including the low density polyethylene and the foaming agent such as Azodicarbonamide (ADCA); (b) extruding the palletized raw material to make a solid sheet; (c) cross-linking the solid sheet by an E-beam to form an irradiated matrix; (d) foaming the irradiated matrix into the sheet-like foaming cushion layer.
    Type: Grant
    Filed: April 13, 2006
    Date of Patent: October 18, 2011
    Inventor: Frank Tien
  • Patent number: 8022112
    Abstract: A plasticized ceramic-forming mixture and a method for stiffening the mixture, the mixture comprising a combination of inorganic powder, one or more plasticizing organic binders, a radiation-curable monomer, a photoinitiator, and water, and the method comprising stiffening the surfaces of extruded shapes of the mixture by applying electromagnetic energy to the surfaces following extrusion.
    Type: Grant
    Filed: November 29, 2007
    Date of Patent: September 20, 2011
    Assignee: Corning Incorporated
    Inventors: Michelle Dawn Fabian, Edward John Fewkes, Kevin Robert McCarthy
  • Patent number: 8011913
    Abstract: Provided in one aspect is a method of melt blending comprising providing an extruder possessing addition points from a zero point to a 100 point the length of the extruder; adding at least one thermoplastic and at least one curable polymer at the zero to 10 point of the extruder; adding at least one silicone hydride at the 5 to 30 point of the extruder; adding at least one metal catalyst at the 20 to 60 point of the extruder, with the proviso that the metal catalyst is added at least 5 points farther down the extruder than the silicone hydride. Provided in another aspect is a hydrosilylation curative composition comprising a silicone hydride having the formula wherein H is hydrogen, and each R? is independently selected from hydrogen and C1 to C10 alkyl groups; R? is selected from C1 to C10 alkyl groups; n is an integer from 5 to 45; and m is an integer from 5 to 45.
    Type: Grant
    Filed: February 29, 2008
    Date of Patent: September 6, 2011
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Tonson Abraham, Edward Blok, Kuo-Shein Shen, Norman Glenn Barber
  • Patent number: 7998375
    Abstract: Fiber-reinforced composite posts are produced having high strength and high radiopacity. In a method of manufacturing the fiber-reinforced composite posts, fibers are pulled through filled resin and heat is applied at various steps in the process to provide high strength and optimal radiopacity.
    Type: Grant
    Filed: November 29, 2007
    Date of Patent: August 16, 2011
    Assignee: Pentron Clinical Technologies, LLC
    Inventors: Ajit Karmaker, Mike Karlak, Weitao Jia
  • Publication number: 20110152810
    Abstract: Embodiments of the disclosure include elastomeric stretch fibers containing an anti-tack agent, methods of preparing the fiber, methods of using this fiber, articles including this fiber, and the like.
    Type: Application
    Filed: December 16, 2010
    Publication date: June 23, 2011
    Applicant: INVISTA North America S.a.r.l.
    Inventors: James Michael LAMBERT, Young D. Nguyen, Robert O. Waldbauer, JR., Hong Liu
  • Patent number: 7910795
    Abstract: A technique for imparting latent elasticity to components of an absorbent article is provided. More specifically, a latent elastic film that contains a crosslinkable semi-crystalline polyolefin is initially incorporated into an absorbent article. The film is not highly elastic prior to crosslinking and is thus dimensionally stable. Consequently, the film need not be maintained in a mechanically stretched condition during attachment to other components of the absorbent article, which provides for greater freedom in the location and manner in which the components are attached together. Once incorporated into the absorbent article, the semi-crystalline polyolefin is crosslinked to form a three-dimensional network having elastic memory. The film may also be heat activated, either through crosslinking or an additional step, to cause the film to shrink and further improve its stretch characteristics.
    Type: Grant
    Filed: March 9, 2007
    Date of Patent: March 22, 2011
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Oomman P. Thomas, C. Allen Smith, James Austin
  • Publication number: 20110049768
    Abstract: The present invention relates to liquid crystal elastomers having two-way shape memory effect and methods of making such LCEs. The method of preparation includes the steps of polymerizing at least two monomers with crosslinking polymer, prealigning the resultant polymer, crosslinking the resultant polymer, and preparing the liquid crystal elastomer. The liquid crystal elastomer can be drawn to fibers.
    Type: Application
    Filed: January 21, 2008
    Publication date: March 3, 2011
    Inventors: Jinlian Hu, Shaojun Chen, Qiwei Pan