Particle Which Is Expandible, Process Of Preparing An Expandible Particle, Or Process Of Expanding A Particle To Form A Cellular Product Patents (Class 521/56)
  • Patent number: 10441938
    Abstract: The invention is directed to a method for carrying out a continuous physical or chemical process, in particular crystallization. The method of the invention comprises: comprising—flowing a fluid through a channel comprising an inlet and an outlet for said fluid, wherein said channel is at least in part curved and comprises at least two curvatures,—allowing said process to occur at least in part in said fluid in the presence of Dean vortices in said fluid, while—reversing the direction of the flow of said fluid in said channel multiple times, wherein Dean vortices in the fluid in the channel are maintained while the flow is reversed.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: October 15, 2019
    Assignee: NEDERLANDSE ORGANISATIE VOOR TOEGEPAST—NATUURWETENSCHAPPELIJK ONDERZOEK TNO
    Inventors: Cornelis Petrus Marcus Roelands, Axel Sebastiaan Lexmond, Earl Lawrence Vincent Goetheer, Leonard Ferdinand Gerard Geers
  • Patent number: 10351698
    Abstract: The present invention relates to a blend comprising metallocene polypropylene and an elastomer for automobile parts, characterized in that said blend has low volatile organic compounds emissions. The invention also relates to the use of said blend in parts for automobiles.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: July 16, 2019
    Assignee: Total Research & Technology Feluy
    Inventors: Christian Ter Woort, Emmanuelle Koscher, Filip Vandoorne
  • Patent number: 10179850
    Abstract: The present invention provides a foam which maintains high hardness while being lightweight and has excellent peel strength and permanent compression set, and a foamable composition used to obtain the aforementioned foam. A foamable composition comprising (A) an olefin-based copolymer; (B) a copolymer that is (B-I) and/or (B-II) described below, (B-I) a vinyl aromatic-based copolymer comprising a vinyl aromatic compound and a conjugated diene, and/or a vinyl aromatic-based copolymer comprising a vinyl aromatic compound and alkylene, (B-II) an ethylene-based copolymer having an unsaturated group; (C) an inorganic filler; (D) an organic silane coupling agent; and (E) a foaming agent; wherein a mass ratio of the component (A) to the component (B), (A/B), is from 5/95 to 100/0; an amount of the component (C) is from 0.5 to 35 mass parts, and an amount of the component (E) is from 0.
    Type: Grant
    Filed: March 8, 2011
    Date of Patent: January 15, 2019
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Yasuhiro Kusanose, Mika Horiuchi, Yoshifumi Araki
  • Patent number: 10160844
    Abstract: A composition comprising a composition of an ethylene-based thermoplastic polymer comprising high density polyethylene (HDPE) blended with a modifier component, an optional blowing agent, optionally with carbon black and/or one or more additives, to make foamed articles.
    Type: Grant
    Filed: December 2, 2013
    Date of Patent: December 25, 2018
    Assignee: Dow Global Technologies LLC
    Inventor: Day-Chyuan Lee
  • Patent number: 10150849
    Abstract: Object: To provide thermally expandable microspheres having little sag. Resolution Means: The thermally expandable microspheres have a structure in which a foaming agent is encapsulated in an outer shell formed from a polymer, wherein, the ratio (%) of (R2/R1)×100 is at least 105%, where R1 is the expansion ratio after the thermally expandable microspheres have been heat-treated for 5 minutes at 150° C. and then foamed by heating for 2 minutes at 200° C., and R2 is the expansion ratio after the thermally expandable microspheres have been heat-treated for 5 minutes at 150° C. and then foamed by heating for 4 minutes at 200° C.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: December 11, 2018
    Assignee: Kureha Corporation
    Inventors: Yasuhiro Suzuki, Naoko Kuriu, Shintaro Nomura, Tetsuo Ejiri, Shunzo Endo
  • Patent number: 10066041
    Abstract: The present invention relates to a thermoplastic resin, a method of preparing the same, and a thermoplastic resin composition including the same. A thermoplastic resin having superior latex stability and thermal stability and generating a small amount of gas during processing, and a method of preparing the thermoplastic resin are provided. In addition, a thermoplastic resin composition having superior mechanical properties, surface gloss, whiteness, gloss after retention, and heat discoloration after retention and a small content of residual total volatile organic compounds (TVOC), due to inclusion of the thermoplastic resin, is provided.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: September 4, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Bong Keun Ahn, Hyung Seop Shim, Keun Hoon Yoo
  • Patent number: 9902829
    Abstract: The present invention relates to thermally expandable thermoplastic microspheres comprising a polymer shell made from ethylenically unsaturated monomers encapsulating a propellant, said ethylenically unsaturated monomers comprising from 21 to 80 wt % of methacrylamide and from 20 to 70 wt % methacrylonitrile, the total amount of methacrylamide and methacrylonitrile being from 70 to 100 wt % of the ethylenically unsaturated monomers. Furthermore, the invention relates to production and use of such microspheres.
    Type: Grant
    Filed: May 27, 2013
    Date of Patent: February 27, 2018
    Assignee: Akzo Nobel Chemicals International B.V.
    Inventor: Ove Nordin
  • Patent number: 9868830
    Abstract: Disclosed are a vinyl chloride based nanocomposite composition and a method of preparing the vinyl chloride based nanocomposite. According to the present invention, a method of preparing a straight vinyl chloride based nanocomposite having a nanomaterial uniformly dispersed therein, by using the vinyl chloride based nanocomposite composition when a vinyl chloride monomer is suspension polymerized in the presence of a protective colloidal agent and a polymerization initiator after preparing a water dispersion suspension using the vinyl chloride based nanocomposite composition based on a hydrophilic composition is provided.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: January 16, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Seong Yong Ahn, Byung Kook Ahn, Soo Hwan Hwang, Kyung Hyun Kim
  • Patent number: 9850361
    Abstract: An emulsifier-free process for the preparation of water expandable polymer beads, including: a) providing an emulsifier-free starting composition comprising styrene, b) prepolymerizing the starting composition to obtain a prepolymer composition, c) mixing an aqueous blowing agent with the prepolymer composition at an elevated temperature to obtain an inverse emulsion of water droplets in the prepolymer composition, wherein the aqueous blowing agent comprises water and a water soluble initiator dissolved in the water and the water droplets comprise spheres of a styrene polymer, wherein the water soluble initiator partly decomposes due to the elevated temperature leading to the formation of the inverse emulsion of water droplets in the prepolymer composition, d) suspending the inverse emulsion in an aqueous medium to yield an aqueous suspension of suspended droplets and e) polymerizing monomers in the droplets of the suspension obtained by step d) to obtain the water expandable polymer beads.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: December 26, 2017
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Ghamdi Ghurmallah, Timotheus Johannes Jacobus Sciarone, Thierry Leblanc, Tom Bus
  • Patent number: 9757910
    Abstract: In an injection molded product of the invention, an unevenness forming portion having unevenness formed by thermal expansion of thermally expandable capsules is formed. The injection molded product includes a highly expanded portion that is formed at a surface side of the unevenness forming portion in a thickness direction of the injection molded product and in which the thermally expandable capsules are thermally expanded, and a main body portion that is a portion adjacent to the highly expanded portion in the thickness direction and in which the thermally expandable capsules are substantially not thermally expanded. The thickness of the highly expanded portion is a half or smaller than the thickness of the injection molded product in the unevenness forming portion, and a polymer material of the highly expanded portion and a polymer material of the main body portion are the same polymer material.
    Type: Grant
    Filed: March 26, 2013
    Date of Patent: September 12, 2017
    Assignee: TOKAI KOGYO CO., LTD.
    Inventor: Fumie Manzaki
  • Patent number: 9714312
    Abstract: Disclosed are a vinyl chloride based nanocomposite composition and a method of preparing the vinyl chloride based nanocomposite. According to the present invention, a method of preparing a straight vinyl chloride based nanocomposite having a nanomaterial uniformly dispersed therein, by using the vinyl chloride based nanocomposite composition when a vinyl chloride monomer is suspension polymerized in the presence of a protective colloidal agent and a polymerization initiator after preparing a water dispersion suspension using the vinyl chloride based nanocomposite composition based on a hydrophilic composition is provided.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: July 25, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Seong Yong Ahn, Byung Kook Ahn, Soo Hwan Hwang, Kyung Hyun Kim
  • Patent number: 9688830
    Abstract: Described are (a) a process for production of polyurethane foam by reacting one or more polyol components with one or more isocyanate components, wherein wax having a congealing point in the range from 40° C. to 90° C. is employed as an additive, (b) a polyurethane foam obtainable by said process, (c) the use of waxes having a congealing point in the range from 40° C. to 90° C. as an additive in the manufacture of polyurethane foams to coarsen the foam structure, and also (d) a polyurethane foam production composition containing a wax having a congealing point in the range from 40° C. to 90° C.
    Type: Grant
    Filed: April 10, 2014
    Date of Patent: June 27, 2017
    Assignee: Evonik Degussa GmbH
    Inventors: Eva Emmrich-Smolczyk, Harald Modro, Ralf Althoff, Rainer Ziegler
  • Patent number: 9663626
    Abstract: Heat-expandable microspheres with high encapsulation efficiency of a blowing agent and good heat-expansion performance, a process for reproducibly producing the heat-expandable microspheres and application thereof are provided. The heat-expandable microspheres comprise essentially a thermoplastic resin shell and a blowing agent encapsulated therein, and contain not more than 500 ppm of silicon, not more than 350 ppm of aluminum and not more than 600 ppm of the total of the silicon and aluminum. The heat-expandable microspheres retain at least 70% of the blowing agent encapsulated therein at the temperature which is the average of their expansion-initiation temperature and maximum expansion temperature.
    Type: Grant
    Filed: January 21, 2013
    Date of Patent: May 30, 2017
    Assignee: MATSUMOTO YUSHI-SEIYAKU CO., LTD.
    Inventors: Naoya Tayagaki, Yasuyuki Nomura
  • Patent number: 9617384
    Abstract: The invention relates to a seeded particle of polyamide (PA) powder composed of a shell made of PA-6, PA-12 or PA-6/12 and of a core made from PA-6, paA-11, PA-12 or PA-6/12, PA 6,12, PA-6,6, PA-8 or PA-4, the core and the shell being either of identical polyamide nature but of different molecular weight, or of different polyamide nature. The particle for which the shell has a melting temperature Tf1 and a crystallization temperature Tc1 and for which the core has a melting temperature Tf2 and a crystallization temperature Tc2, is characterized in that the difference in absolute value between Tf1?Tc1 and/or between Tf2?Tc2 is greater than the difference in absolute values between the melting temperature and the crystallization temperature of a particle of powder seeded by a mineral filler and for which the shell is made of PA6, PA12 or PA6/12.
    Type: Grant
    Filed: December 26, 2007
    Date of Patent: April 11, 2017
    Assignee: Arkema France
    Inventor: Holger Senff
  • Patent number: 9453090
    Abstract: Process for producing a thermoplastic polymer foam article includes preparing an expandable polymeric formulation comprising a thermoplastic polymer and a blowing agent blend, forming the formulation into an expandable bead, and expanding the expandable bead to form a thermoplastic polymer foam article. The blowing agent blend includes methyl formate, hydrocarbon, and either carbon dioxide or 1,1,1,2-tetrafluoroethane (HFC-134a). The blowing agent blend has a higher effective volatility than that of methyl formate alone. A thermoplastic polymer foam article prepared by a process is also provided.
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: September 27, 2016
    Assignee: THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK
    Inventors: Y. Paul Handa, Gary A. Francis, Glenn C. Castner, Mohammad Zafar
  • Patent number: 9193842
    Abstract: A noncrosslinked polyethylene resin expanded particle is provided having a bulk density BD in a range of 10 g/L to 100 g/L, the particle being obtained by expanding a polyethylene resin particle whose density is in a range of 0.920 g/cm3 to 0.940 g/cm3, the noncrosslinked polyethylene resin expanded particle having a shrinkage factor in a range of 2% to 30%, the shrinkage factor being obtained by the following formula (1): Shrinkage Factor=(BD?VBD)×100/VBD??(1), wherein: the BD of the noncrosslinked polyethylene expanded particle is a bulk density at 23° C. and at 0.1 MPa (at a normal atmospheric pressure); and the VBD of the noncrosslinked polyethylene expanded particle is a bulk density at 23° C. and at a reduced pressure of 0.002 MPa or less.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: November 24, 2015
    Assignee: KANEKA CORPORATION
    Inventor: Kiyotaka Nakayama
  • Patent number: 9169638
    Abstract: An expandable vinyl aromatic polymer may include a matrix of a vinyl aromatic polymer, 1-10% of an expanding agent, 0.1 to 5% talc, carbon black, and 0 to 20% fillers. The expanding agent may be englobed in the matrix. The talc may have a mean diameter above about 8 ?m as measured by Laser Mastersizer according to standard ISO 13320-1. The BET of the talc may be in the range 0.5-25 m2/g. The carbon black may be present in a proportion sufficient for a foamed material obtained from the expandable vinyl aromatic polymer to have a thermal conductivity ? of about 34 mW/m° K or lower. The fillers may be homogeneously distributed in the matrix.
    Type: Grant
    Filed: September 6, 2011
    Date of Patent: October 27, 2015
    Assignee: TOTAL RESEARCH & TECHNOLOGY FELUY
    Inventors: Stéphane Nowe, Philippe Lodefier, Laetitia Urbanczyk
  • Patent number: 9120898
    Abstract: A method of preparing a cured thermoplastic material includes curing a thermoplastic polymer having a thermal decomposition temperature greater than or equal to about 200° C., at a temperature of about 200° C. to about 400° C., for a total time of less than or equal to 200 hours. A method of making a shape memory material also includes curing a thermoplastic polymer to prepare a cured thermoplastic material.
    Type: Grant
    Filed: July 8, 2011
    Date of Patent: September 1, 2015
    Assignee: Baker Hughes Incorporated
    Inventors: Jiaxiang Ren, David Peter Gerrard, James Edward Goodson, Ping Duan, Lillian Guo
  • Patent number: 9120905
    Abstract: A process for the preparation of expandable polystyrene (EPS) containing particles of carbon black and/or graphite is disclosed, comprising: (a) forming a masterbatch by adding carbon black and/or graphite to styrene polymer, (b) adding said masterbatch to an organic phase comprising styrene and optional comonomers, and heating the organic phase to a temperature between 30 and 90° C., (c) mixing the organic phase with an aqueous phase comprising water and suspending agents preheated to a temperature between 80 and 120° C. which is higher than the temperature of the organic phase, and (d) polymerizing in a suspension polymerization reaction the styrene and optional comonomers contained in the mixed aqueous and organic phases, with an expanding agent being added before, during or after the polymerization, wherein the styrene polymer in the masterbatch contains at least 1 000 ppm of dimers. The process gives an improved product.
    Type: Grant
    Filed: June 25, 2013
    Date of Patent: September 1, 2015
    Assignee: INEOS EUROPE AG
    Inventor: Jean-Marc Galewski
  • Patent number: 9079342
    Abstract: A blowing agent is infiltrated into polystyrene resin particles dispersed in an aqueous suspension. Before or during infiltration, a flame retardant solution obtained by dissolving 33-1,000 parts by weight of a powdery flame retardant and 20-200 parts by weight of a flame retardant aid having a 1-hour half-life temperature of 100-250° C. in 100 parts by weight of a plasticizer is supplied to the aqueous suspension to infiltrate the flame retardant and the flame retardant aid into the particles, producing expandable polystyrene resin particles. By dissolving the flame retardant, which doesn't accumulate in the living body and has satisfactory handleability, in a plasticizer, the flame retardant can be evenly infiltrated into resin particles. Consequently, expansion of the expandable particles doesn't result in unevenness of cell density and the particles have excellent heat-fusibility to one another during molding, and molded foam having excellent flame retardancy and heat resistance can be obtained.
    Type: Grant
    Filed: March 29, 2010
    Date of Patent: July 14, 2015
    Assignee: SEKISUI PLASTICS CO., LTD.
    Inventors: Koji Sakamoto, Kazumi Yamada, Ryosuke Chinomi
  • Patent number: 9073971
    Abstract: The present invention refers to a method for binding a polycarboxylic acid to a solid phase. Further, the invention refers to a solid phase having a polycarboxylic acid immobilized thereto and methods of using the solid phase, e.g. for purifying His-tagged recombinant polypeptides.
    Type: Grant
    Filed: August 6, 2008
    Date of Patent: July 7, 2015
    Assignee: Max-Planck-Gesellschaft zur Foerderung Der Wissenschaften e.V.
    Inventors: Dirk Goerlich, Steffen Frey
  • Publication number: 20150141538
    Abstract: A system for applying a melted polymer/hot melt adhesive includes structure for adding one or more components to the polymer/hot melt stream at selected locations of the stream depending on the desired final characteristics of the polymer/hot melt adhesive, the heat histories of the polymer/hot melt adhesive and the modifying component, and the physical or chemical characteristics of the modifying component. The modifying component can be supplied in a fluid carrier.
    Type: Application
    Filed: July 10, 2013
    Publication date: May 21, 2015
    Inventors: Peter. S. Melendy, Dennis J. Fitzmeyer, Joseph D. Sordillo
  • Patent number: 9034933
    Abstract: A polyethylene resin expanded particle has an expansion ratio of not less than 10 times and not more than 50 times, and in a DSC curve obtained by differential scanning calorimetry (DSC), the polyethylene resin expanded particle (i) shows two melting peaks, the two melting peaks being a low-temperature side melting peak and a high-temperature side melting peak, and (ii) further has a shoulder in a region not less than 100° C. and not more than the low-temperature side melting peak temperature, the shoulder having a shoulder ratio which is not less than 0.2% and not more than 3%.
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: May 19, 2015
    Assignee: KANEKA CORPORATION
    Inventors: Kiyotaka Nakayama, Toru Yoshida
  • Patent number: 9018268
    Abstract: Provided is expandable starch beads including a starch-monomer copolymer and a foaming agent impregnated in the starch-monomer copolymer, in which the starch-monomer copolymer is prepared by bonding at least one monomer selected from the group consisting of styrene, ?-methylstyrene, lactide, lactic acid, acrylic acid, methacrylic acid, acrylic ester, methacrylic ester, acrylonitrile, acrylamide, and caprolactone to starch, and the foaming agent includes at least one selected from the group consisting of C2 to C7 aliphatic hydrocarbon, C2 to C7 halogenated hydrocarbon, and carbon dioxide. Since the expandable starch beads have the similar properties to expandable polystyrene beads, and thereby can be foam-molded by equipment for foaming the expandable polystyrene beads, it is possible to produce foams with various sizes and various shapes.
    Type: Grant
    Filed: July 14, 2011
    Date of Patent: April 28, 2015
    Assignee: Daesang Corporation
    Inventors: Young Mo Jo, Ssang Ok Kim, Gun Kyu Lee, Jee Young Yoon, Young Seung Jeon
  • Patent number: 9018269
    Abstract: A process for producing expanded polyolefin resin particles with use as a foaming agent of water contained in an aqueous dispersion medium. The process includes dispersing polyolefin resin particles together with the aqueous dispersion medium into a closed vessel; heating the polyolefin resin particles up to or above a softening temperature of the polyolefin resin particles and pressurizing the polyolefin resin particles; and releasing the polyolefin resin particles into a zone whose pressure is lower than an internal pressure of the closed vessel. The polyolefin resin particles are composed of a polyolefin resin composition including polyolefin resin, polyvalent alcohol and a foam nucleating agent.
    Type: Grant
    Filed: April 11, 2013
    Date of Patent: April 28, 2015
    Assignee: Kaneka Corporation
    Inventors: Jun Fukuzawa, Takamasa Imai, Kiyoshi Mori
  • Publication number: 20150099077
    Abstract: A polyethylene composition comprising a granular polyethylene resin characterized by a resin solid density of from 0.91 to 0.97 g/cm3, a ratio of intraparticle void volume to interparticle void volume of from 0.33 to 0.67, and a total resin porosity, ?total, of equal to or greater than 0.45 is provided.
    Type: Application
    Filed: November 28, 2012
    Publication date: April 9, 2015
    Applicant: Dow Global Technololgies LLC
    Inventors: William J. Michie, JR., Dale A. Wright, Robert J. Jorgensen, Carl F. Baker, Burkhard E. Wagner, Joe B. Garrett, Matthew H. Mills
  • Patent number: 9000060
    Abstract: Disclosed is expandable modified resin beads (1), comprising a modified resin as a base resin in which a dispersion phase (3) containing a styrene resin as a major component is dispersed in a continuous phase (2) containing an olefin resin as a major component, and a physical blowing agent. Further disclosed are expanded modified resin beads obtained by expanding the expandable modified resin beads (1), and a foamed molded article formed from the expanded modified resin beads obtained by molding the expanded modified resin beads in a mold. A volume average diameter of the dispersion phase (3) dispersed in the continuous phase (2) is 0.55 ?m or more. The expandable modified resin beads (1) have, as a base resin, the modified resin contains 80 to 50 parts by mass of the styrene resin with respect to 20 to 50 parts by mass parts of the olefin resins.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: April 7, 2015
    Assignee: JSP Corporation
    Inventor: Masaomi Shima
  • Publication number: 20150079303
    Abstract: Disclosed are a base material composition for a foam tape which has high foam stability and excellent peel strength, a foam tape prepared using the same, and a preparation method thereof. According to the present invention, the base material composition for a foam tape comprises an acrylic monomer, a radical initiator, a cross-linking agent, a porous filler, and a surfactant, wherein the surfactant comprises 60-90 wt % of a siloxane-based polymer and 10-40 wt % of a non-siloxane-based polymer. A foam tape prepared thereby is economical compared with conventional foam tapes, is free from a deteriorating adhesive force, and has excellent foam stability.
    Type: Application
    Filed: April 22, 2013
    Publication date: March 19, 2015
    Inventors: Ji-Hye Kim, Seung-Min Yoo, Jang-Soon Kim
  • Patent number: 8969466
    Abstract: Nanocomposite compositions based on expandable thermoplastic polymers which comprise: a) a polymeric matrix produced by the polymerization of a base comprising one or more polymerizable monomers; b) 1-10% by weight, calculated with respect to the polymer (a), of an expanding agent englobed in the polymeric matrix; c) 0.004-15% by weight, calculated with respect to the polymer (a), of an athermanous filler comprising nano-scaled graphene plates with a thickness (orthogonal to the graphene sheet) not greater than 150 nm, an average dimension (length, width, or diameter) not greater than 10 micrometers and a surface area>50 m2/g.
    Type: Grant
    Filed: October 6, 2010
    Date of Patent: March 3, 2015
    Assignee: versalis S.p.A.
    Inventors: Riccardo Felisari, Olga Valentino, Alessandro Casalini
  • Patent number: 8961859
    Abstract: There are provided expandable polystyrene resin particles formed by granulating a polystyrene resin containing an expanding agent, wherein the weight-average molecular weight Mw of the polystyrene resin is in the range of 120,000 to 270,000, and the expanding agent contains, as an essential component, pentane at a proportion of 3 to 8 parts by mass based on 100 parts by mass of the polystyrene resin, while the composition of the pentane is in the range of isopentane:normal pentane=10:90 to 80:20 by mass ratio. These expandable polystyrene resin particles can utilize a recycled raw material, and can produce a molded foam product having sufficient mechanical strength, while the expandable polystyrene resin particles have a long bead life and excellent low pressure moldability.
    Type: Grant
    Filed: January 23, 2009
    Date of Patent: February 24, 2015
    Assignee: Sekisui Plastics Co., Ltd.
    Inventors: Ryosuke Chinomi, Hiroyuki Tarumoto, Yoshifumi Saitou
  • Patent number: 8962706
    Abstract: The present invention enables the secondary expansion of lightweight foamed beads. The foamed beads are produced using a compound comprising a compostable or biobased polyester and a physical blowing agent as well as a chemical blowing agent. Secondary expansion can be used either to lower the density of the foamed bead further or to enable expansion of the beads during molding to promote fusion. The foam beads can be produced using conventional melt processing techniques, such as single and twin-screw extrusion processes.
    Type: Grant
    Filed: September 12, 2011
    Date of Patent: February 24, 2015
    Assignee: Lifoam Industries, LLC
    Inventors: Adam R. Pawloski, Jeffrey J. Cernohous, Kent Kaske, Garrett Van Gorden
  • Patent number: 8937105
    Abstract: A functional TFE copolymer fine powder is described, wherein the TFE copolymer is a polymer of TFE and at least one functional comonomer, and wherein the TFE copolymer has functional groups that are pendant to the polymer chain. The functional TFE copolymer fine powder resin is paste extrudable and expandable. Methods for making the functional TFE copolymer are also described. The expanded functional TFE copolymer material may be post-reacted after expansion.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: January 20, 2015
    Assignee: W. L. Gore & Associates, Inc.
    Inventors: Ping Xu, Jack J. Hegenbarth, Xin Kang Chen, Rachel Radspinner, Paul D. Drumheller, William B. Johnson, Wen K. Liu
  • Patent number: 8933137
    Abstract: Expandable composite resin particles for frozen storage comprising: composite resin particles of a polyolefin-based resin and a polystyrene-based resin; 7.5 to 11% by weight of volatile blowing agent contained in the composite resin particles and containing pentane; and 0.5 to 1.5% by weight of moisture attached to surfaces of the composite resin particles.
    Type: Grant
    Filed: January 24, 2011
    Date of Patent: January 13, 2015
    Assignee: Sekisui Plastics Co., Ltd.
    Inventors: Yasutaka Tsutsui, Masahiko Ozawa
  • Publication number: 20150011664
    Abstract: An example starch-based material for forming a biodegradable component includes a mixture of a starch and an expansion additive. The starch has an amylose content of less than about 70% by weight. The expansion additive enhances the expansion and physical properties of the starch. A method of preparing a starch-based material is also disclosed and an alternate starch-based material for forming a biodegradable component is also disclosed.
    Type: Application
    Filed: August 19, 2014
    Publication date: January 8, 2015
    Inventor: Joseph Wycech
  • Publication number: 20150005402
    Abstract: a) Production of prepolymer beads through a first suspension polymerization reaction using an aqueous suspension comprising styrene monomers and comprising particulate additives, b) isolation of the prepolymer beads, c) optional division of the prepolymer beads into fractions of different particle size and selection of one or more fractions for subsequent stages, d) production of an aqueous suspension of the prepolymer beads and conduct of a second suspension polymerization reaction in the presence of blowing agent and with addition of further monomers.
    Type: Application
    Filed: December 17, 2012
    Publication date: January 1, 2015
    Inventors: Patrick Spies, Pascal Hesse, Bernhard Schmied, Libor Seda, Rainer Ostermann, Frank Braun, Gregor Haverkemper, Uwe-Johannes Lehnen, Klaus Hahn, Jan Holoch
  • Publication number: 20140371335
    Abstract: Expandable granulates, having compositions based on vinyl-aromatic polymers, including: a) 65-99.8% by weight of a copolymer obtained by polymerizing 85-100% by weight of one or more vinyl-aromatic monomers and 0-15% by weight of an ?-alkylstyrene in which the alkyl group contains from 1 to 4 carbon atoms; b) 0.01-20% by weight, calculated with respect to the polymer (a), of a carbon black having an average diameter ranging from 10 to 1000 nm and a surface area ranging from 5 to 200 m2/g; c) 0.01-5% by weight, calculated with respect to the polymer (a), of c1) oxides and sulfates and lamellar dichalcogenides of metals; or c2) oxides and sulfates of metals, or c3) lamellar dichalcogenides of metals; or c4) oxides of metals; or c5) sulfates and lamellar dichalcogenides of metals; or c6) sulfates of metals; d) at least one of the following additives d1) and d2): d1) 0.01-5% by weight, calculated with respect to the polymer (a), of graphite having an average diameter ranging from 0.5 to 50 ?m; d2) 0.
    Type: Application
    Filed: August 29, 2014
    Publication date: December 18, 2014
    Applicant: POLIMERI EUROPA S.p.A.
    Inventors: Riccardo FELISARI, Dario GHIDONI, Antonio PONTICIELLO, Alessandro CASALINI
  • Patent number: 8912242
    Abstract: A method of making a foamable polystyrene composition includes combining a styrenic monomer and a co-monomer containing a polar functional group to obtain a mixture, subjecting the mixture to polymerization to obtain a styrenic co-polymer, and combining the styrenic co-polymer with a blowing agent in a foaming process to obtain foamed articles.
    Type: Grant
    Filed: January 11, 2012
    Date of Patent: December 16, 2014
    Assignee: Fina Technology, Inc.
    Inventors: Wei Wang, David W. Knoeppel, Melissa Greenberg
  • Publication number: 20140364520
    Abstract: The present invention relates to a composition for painting and varnishing parts of a vehicle, including: 20 to 50 wt % of thermosetting resin; 1 to 10 wt % of thermal expandable microsphere; 3 to 20 wt % of pigment; 5 to 20 wt % of hardener; 1 to 20 wt % of additives; a residual solvent; and 5 to 20 wt % of hardener added later and parts of a vehicle including a paint film made of the composition.
    Type: Application
    Filed: May 29, 2014
    Publication date: December 11, 2014
    Applicants: HYUNDAI MOBIS CO., LTD., SAMHWA PAINTS INDUSTRIAL CO., LTD.
    Inventors: Woo Jeong Oh, Woo Jin Ha, Hyeon Don Kim, Yong Chun, Se Yoon Pang
  • Publication number: 20140364521
    Abstract: Heat-expandable microspheres with high encapsulation efficiency of a blowing agent and good heat-expansion performance, a process for reproducibly producing the heat-expandable microspheres and application thereof are provided. The heat-expandable microspheres comprise essentially a thermoplastic resin shell and a blowing agent encapsulated therein, and contain not more than 500 ppm of silicon, not more than 350 ppm of aluminum and not more than 600 ppm of the total of the silicon and aluminum. The heat-expandable microspheres retain at least 70% of the blowing agent encapsulated therein at the temperature which is the average of their expansion-initiation temperature and maximum expansion temperature.
    Type: Application
    Filed: January 21, 2013
    Publication date: December 11, 2014
    Inventors: Naoya Tayagaki, Yasuyuki Nomura
  • Patent number: 8901181
    Abstract: Particulate, expandable polymer which can be processed into a foam having a fine cell structure and a low density and which, in order to improve the thermal insulation value thereof, contains a carbon-based thermal insulation value-increasing material. A method for preparing particulate, expandable polymer as well as to a foam material obtained therewith.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: December 2, 2014
    Assignee: Synbra Technology B.V.
    Inventors: Matthijs Gebraad, Franciscus Petrus Antonius Kuijstermans, Jan Noordegraaf
  • Patent number: 8901183
    Abstract: Expandable composite resin particles for long-term storage, comprising 500 to 5000 ppm of water and 7.5 to 11.0% by weight of pentane in composite resin of polyolefin-based resin and polystyrene-based resin.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: December 2, 2014
    Assignee: Sekisui Plastics Co., Ltd.
    Inventors: Yasutaka Tsutsui, Masahiko Ozawa
  • Patent number: 8901182
    Abstract: Process for producing expanded polyolefin resin particles with use as a foaming agent in water contained in an aqueous dispersion medium. The process includes dispersing polyolefin resin particles with use as a foaming agent of water contained in an aqueous dispersion medium. The process includes dispersing polyolefin resin particles together with the aqueous dispersion medium into a closed vessel, heating the polyolefin resin particles up to or above a softening temperature of the polyolefin resin particles and pressurizing the polyolefin resin particles, and releasing the polyolefin resin particles into a zone whose pressure is lower than an internal pressure of the closed vessel. The polyolefin resin particles are composed of a polyolefin resin composition including a polyolefin resin, polyethylene glycol homopolymer and a foam nucleating agent.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: December 2, 2014
    Assignee: Kaneka Corporation
    Inventors: Jun Fukuzawa, Hiroshi Tsuneishi
  • Patent number: 8889748
    Abstract: A composition comprising at least one expandable styrene polymer component and at least one cyclohexanecarboxylic ester and also optionally further components can be processed to mechanically robust foam materials.
    Type: Grant
    Filed: June 1, 2011
    Date of Patent: November 18, 2014
    Assignee: BASF SE
    Inventors: Wolfram Husemann, Uwe-Johannes Lehnen, Patrick Spies, Boris Breitscheidel, Klaus Hahn, Jan Holoch, Olaf Kriha, Bernhard Schmied, Pascal Hesse
  • Patent number: 8889750
    Abstract: Polypropylene resin expanded particles comprises a polypropylene resin as a base material resin, the polypropylene resin having at least three melting peaks on a DSC curve for a second temperature rise measured at a heating rate of 10 g/min with use of a heat flux differential scanning calorimeter (DSC), the at least three melting peaks including (i) a lowest temperature melting peak of 100° C. to 130° C. and (ii) a highest temperature melting peak of 140° C. to 160° C., the polypropylene resin having a resin DSC ratio change rate of 0.5%/° C. to 3.0%/° C., the expanded particles having two melting peaks in a DSC measurement made at a first temperature rise at the heating rate of 10 g/min, the two melting peaks including, (i) on a lower temperature side, a melting peak temperature of 100° C. to 130° C. and, (ii) on a higher temperature side, a melting peak temperature of 140° C. to 160° C.
    Type: Grant
    Filed: February 1, 2012
    Date of Patent: November 18, 2014
    Assignee: Kaneka Corporation
    Inventor: Kenichi Senda
  • Patent number: 8877511
    Abstract: Macroporous beads and a method of manufacturing and using such macroporous beads. wherein the beads are distinguishable for use in a multiplex assay. Preferably, the beads are distinguishable by two or more unique fluorochromes, and at least some of the beads are magnetically responsive. In a preferred form, some of the macroporous beads have interior pores with a different moiety from the exterior surface, allowing beads with different attached functional groups.
    Type: Grant
    Filed: November 10, 2009
    Date of Patent: November 4, 2014
    Assignee: Luminex Corporation
    Inventors: Jason Bedre, Don Chandler, Ben Mize
  • Publication number: 20140323604
    Abstract: A polymer foam having high bonding strength and improved compressive hardness characteristics is accomplished by the polymer foam comprising cavities formed by microballoons, and also 2 to 20 vol. %, based on the total volume of the polymer foam, of cavities surrounded by the polymer foam matrix.
    Type: Application
    Filed: April 17, 2014
    Publication date: October 30, 2014
    Applicant: tesa SE
    Inventors: Axel Burmeister, Franziska Czerwonatis
  • Publication number: 20140288198
    Abstract: The present invention aims to provide a rigid polyurethane resin for cutting, which has high heat resistance, no scorching, and reduced expansion due to absorption of moisture in the air. The rigid polyurethane resin-forming composition (P) for cutting of the present invention includes: a polyol component (A); an isocyanate component (B); an inorganic filler (C); and a dehydrating agent (D). The polyol component (A) includes: 45 to 99% by weight of a polyphenol (j) alkylene oxide adduct (a), the polyphenol (j) having k functional groups where k is an integer of 2 or 3; and 1 to 55% by weight of a polyol (b). The polyphenol (j) alkylene oxide adduct (a) includes a total of not more than 39% by weight of a polyphenol (j) alkylene oxide adduct (ak) with at most k moles of alkylene oxide, based on 100% by weight of the polyphenol (j) alkylene oxide adduct (a), and has a hydroxyl value of 100 to 295 mg KOH/g.
    Type: Application
    Filed: November 13, 2012
    Publication date: September 25, 2014
    Inventors: Masaki Awahara, Yusaku Mori
  • Patent number: 8841353
    Abstract: A carbon-containing modified polystyrene type resin particle of the present invention includes: a carbon-containing polypropylene type resin, and a polystyrene type resin in an amount of not less than 100 parts by weight but less than 400 parts by weight per 100 parts by weight of the carbon-containing polypropylene type resin, wherein the polystyrene type resin ratio at the central part of the particle is at least 1.2 times the polystyrene type resin ratio of the overall particle, the polystyrene type resin ratio being calculated by using the ratio (D698/D1376) of absorbances at 698 cm?1 and 1376 cm?1 which are obtained by infrared absorption spectra measured by ATR infrared spectroscopic analysis.
    Type: Grant
    Filed: December 27, 2007
    Date of Patent: September 23, 2014
    Assignee: Sekisui Plastics Co., Ltd.
    Inventors: Shinji Ishida, Masahiko Ozawa
  • Publication number: 20140275301
    Abstract: A method of producing vinyl polymer particles by suspension polymerization comprising: combining an aqueous media and a tricalcium phosphate to a reaction vessel; adding a pH stabilizing agent to the reaction vessel; adding a vinyl monomer to the reaction vessel; adding a peroxide initiator, e.g., which also generates CO2 as a result of primary or secondary decomposition, to the reaction vessel; adding surfactant or a water soluble free radical initiator to generate surfactant in situ to the reaction vessel; maintaining the reactor contents at greater than or equal to 90° C. until a density of a dispersed phase becomes substantially equal to that of a continuous phase; adding a blowing agent to the reaction vessel; raising the temperature of the reaction vessel to greater than or equal to 100° C.; and collecting polymer particles having a particle size distribution.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 18, 2014
    Applicant: SAUDI BASIC INDUSTRIES CORPORATION
    Inventors: Syed Mehmood Ahmed, Mohammed Hamdan
  • Publication number: 20140243438
    Abstract: This invention aims to provide a thermally foamable microsphere which is excellent in heat resistance, has a high expansion ratio, and shows stable foaming behavior; a method of producing the thermally foamable microsphere; and suitable use thereof. This invention provides a thermally foamable microsphere in which an outer shell encapsulating a foaming agent is formed of a copolymer having a polymethacrylimide structure. In particular, this invention provides a thermally foamable microsphere in which monomers capable of forming the polymethacrylimide structure by a copolymerization reaction are methacrylonitrile and methacrylic acid. Moreover, this invention provides a method of producing the thermally foamable microsphere and use of the thermally foamable microsphere as an additive.
    Type: Application
    Filed: May 8, 2014
    Publication date: August 28, 2014
    Applicant: Kureha Corporation
    Inventor: TETSUO EJIRI