Patents by Inventor Holger Ruckdäschel

Holger Ruckdäschel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10543664
    Abstract: The present invention relates to a process for producing a molding made from blowing agent-containing foam comprising at least one fiber (F), wherein the at least one fiber (F) is partially introduced into the blowing agent-containing foam. The two ends of the respective fiber (F) that are not surrounded by the blowing agent-containing foam thus project from one side of the corresponding molding. The present invention also provides the molding as such. The present invention further provides a panel comprising at least one such molding, produced by the process according to the invention, and at least one further layer (S1). The present invention also provides for the production of the panels of the invention and for the use thereof, for example as a rotor blade in wind turbines.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: January 28, 2020
    Assignee: BASF SE
    Inventors: Holger Ruckdäschel, Rene Arbter, Robert Stein, Daniela Longo-Schedel, Tim Diehlmann, Bangaru Sampath, Peter Gutmann, Alexandre Terrenoire, Markus Hartenstein, Andreas Kirgis, Alessio Morino, Gregor Daun, Marc Claude Martin, Peter Merkel, Thomas Kiciak
  • Publication number: 20180257345
    Abstract: The present invention relates to a process for producing a molding made from blowing agent-containing foam comprising at least one fiber (F), wherein the at least one fiber (F) is partially introduced into the blowing agent-containing foam. The two ends of the respective fiber (F) that are not surrounded by the blowing agent-containing foam thus project from one side of the corresponding molding. The present invention also provides the molding as such. The present invention further provides a panel comprising at least one such molding, produced by the process according to the invention, and at least one further layer (S1). The present invention also provides for the production of the panels of the invention and for the use thereof, for example as a rotor blade in wind turbines.
    Type: Application
    Filed: December 15, 2015
    Publication date: September 13, 2018
    Inventors: Holger RUCKDÄSCHEL, Rene ARBTER, Robert STEIN, Daniela LONGO-SCHEDEL, Tim DIEHLMANN, Bangaru SAMPATH, Peter GUTMANN, Alexandre TERRENOIRE, Markus HARTENSTEIN, Andreas KIRGIS, Alessio MORINO, Gregor DAUN, Marc Claude MARTIN, Peter MERKEL, Thomas KICIAK
  • Publication number: 20180009960
    Abstract: The present invention relates to a molding made of expanded bead foam, wherein at least one fiber (F) is partly within the molding, i.e. is surrounded by the expanded bead foam. The two ends of the respective fibers (F) that are not surrounded by the expanded bead foam thus each project from one side of the corresponding molding. The present invention further provides a panel comprising at least one such molding and at least one further layer (S1). The present invention further provides processes for producing the moldings of the invention from expanded bead foam or the panels of the invention and for the use thereof, for example as rotor blade in wind turbines.
    Type: Application
    Filed: December 15, 2015
    Publication date: January 11, 2018
    Inventors: Holger RUCKDÄSCHEL, Alexandre TERRENOIRE, Rene ARBTER, Bangaru SAMPATH, Peter GUTMANN, Ragnar STOLL, Christophe Leon Marie HEBETTE, Robert STEIN
  • Publication number: 20170369667
    Abstract: The invention relates to a molding composed of extruded foam, wherein at least one fiber (F) is present with a fiber region (FB2) within the molding and is surrounded by the extruded foam, while a fiber region (FB1) of the fiber (F) projects from a first side of the molding and a fiber region (FB3) of the fiber (F) projects from a second side of the molding, and the extruded foam is produced by an extrusion process comprising the following steps: I) providing a polymer melt in an extruder, II) introducing at least one blowing agent into the polymer melt provided in step I) to obtain a foamable polymer melt, III) extruding the foamable polymer melt obtained in step II) from the extruder through at least one die aperture into an area at lower pressure, with expansion of the foamable polymer melt to obtain an expanded foam, and IV) calibrating the expanded foam from step III) by conducting the expanded foam through a shaping tool to obtain the extruded foam.
    Type: Application
    Filed: December 15, 2015
    Publication date: December 28, 2017
    Inventors: Holger RUCKDÄSCHEL, Rene ARBTER, Robert STEIN, Daniela LONGO-SCHEDEL, Tim DIEHLMANN, Bangaru SAMPATH, Peter GUTMANN, Alexandre TERRENOIRE, Markus HARTENSTEIN, Andreas KIRGIS, Gregor DAUN, Marc Claude MARTIN, Peter MERKEL, Thomas KICIAK, Alessio MORINO
  • Publication number: 20170361545
    Abstract: The present invention relates to a molding made from foam, wherein at least one fiber (F) is partly within the molding, i.e. is surrounded by the foam. The two ends of the respective fibers (F) that are not surrounded by the foam thus each project from one side of the corresponding molding. The foam comprises at least two mutually bonded foam segments.
    Type: Application
    Filed: December 15, 2015
    Publication date: December 21, 2017
    Inventors: Holger RUCKDÄSCHEL, Rene ARBTER, Robert STEIN, Daniela LONGO-SCHEDEL, Tim DIEHLAMAN, Bangaru SAMPATH, Peter GUTMANN, Alexandre TERRENOIRE, Markus HARTENSTEIN, Andreas KIRGIS, Alessio MORINO, Gregor DAUN, Marc Claude MARTIN
  • Patent number: 9427900
    Abstract: The present invention relates to a composite component comprising an unfoamed polymer phase and a foamed phase, and to a process for producing the same.
    Type: Grant
    Filed: November 9, 2011
    Date of Patent: August 30, 2016
    Assignee: BASF SE
    Inventors: Philippe Desbois, Olaf Kriha, Bangaru Sampath, Holger Ruckdäschel, Dietrich Scherzer, Freddy Gruber, Klaus Hahn
  • Patent number: 9249270
    Abstract: An expandable pelletized material comprising A) a polymer matrix composed of A1) at least 55% by weight of polyester (based on the entirety of components A1) and A2)) with a total enthalpy of fusion of up to 60 J/g, optionally of one or more melting points in the range from 100 to 300° C. and of one or more glass transition temperatures in the range from 0 to 250° C., and A2) from 0 to 45% by weight (based on the entirety of components A1) and A2)) of one or more thermoplastic polymers different from component A1); B) a physical blowing agent component, and C) optionally further additives is suitable for producing moldable foams for use in the automobile industry, airline industry, construction industry, packaging industry, sports and leisure industry, in transport, in engineering, in lightweight construction, and/or in composite construction.
    Type: Grant
    Filed: August 15, 2011
    Date of Patent: February 2, 2016
    Assignee: BASF SE
    Inventors: Bangaru Dharmapuri Sriramulu Sampath, Olaf Kriha, Holger Ruckdäschel, Philippe Desbois, Freddy Gruber, Klaus Hahn
  • Patent number: 8741973
    Abstract: The invention relates to elastic expanded polymer foams and also a process for producing expanded polymer foams by sintering a mixture comprising foam particles P1 and P2 composed of different thermoplastic polymers or polymer blends, wherein the foam particles P1 are obtained by prefoaming expandable, thermoplastic polymer particles comprising A) from 45 to 97.9 percent by weight of a styrene polymer, B1) from 1 to 45 percent by weight of a polyolefin having a melting point in the range from 105 to 140° C., B2) from 0 to 25 percent by weight of a polyolefin having a melting point below 105° C., C1) from 0.1 to 25 percent by weight of a styrene-butadiene or styrene-isoprene block copolymer, C2) from 0.0 to 10 percent by weight of a styrene-ethylene-butylene block copolymer, D) from 1 to 15 percent by weight of a blowing agent, E) from 0 to 5 percent by weight of a nucleating agent, where the sum of A) to E) is 100% by weight.
    Type: Grant
    Filed: March 1, 2010
    Date of Patent: June 3, 2014
    Assignee: BASF SE
    Inventors: Carsten Schips, Jens Aβmann, Georg Gräβel, Geert Janssens, Maximillian Hofmann, Holger Ruckdäschel, Jürgen Lambert, Christof Zylla
  • Patent number: 8729143
    Abstract: Expandable, thermoplastic polymer bead material composed of a multiphase polymer mixture which comprises blowing agent and has at least one continuous phase of a thermoplastic polymer, where at least two different disperse phases P1 and P2 are present, disperse in the continuous phase, and also to processes for its production, and to use for the production of elastic molded foams.
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: May 20, 2014
    Assignee: BASF SE
    Inventors: Carsten Schips, Klaus Hahn, Maximilian Hofmann, Holger Ruckdäschel, Jens Assmann, Geert Janssens, Georg Gräβel, Jurgen Lambert, Christof Zylla
  • Patent number: 8636929
    Abstract: Process for the production of nanoporous foamed active substance-containing preparations, wherein the active substance is present embedded in a pharmaceutically acceptable polymer, wherein, in stage a) loading of a polymeric molding composition or a polymer melt with a propellant is effected at a pressure and at a temperature at which the propellant is in the supercritical state, in stage b) heating of the laden polymer molding compound or melt is carried out under pressure at a temperature which lies in the range from ?40 to +60° C., preferably ?20 to +55° C., and especially preferably 0 to +50° C. around the glass transition temperature of the unladen (prior to loading) polymeric molding compound and in stage c) a depressurization of the polymeric molding compound or melt laden in stage a) and heated under pressure in stage b) is effected out with a depressurization rate in the range from 15,000 to 200,000 MPa/sec.
    Type: Grant
    Filed: May 20, 2011
    Date of Patent: January 28, 2014
    Assignee: Basf SE
    Inventors: Jan Kurt Walter Sandler, Ingo Bellin, Dejan Djuric, Karl Kolter, Holger Ruckdäschel
  • Publication number: 20130059933
    Abstract: A process for producing an expandable pelletized polymeric material which comprises: a) providing a polymer component, consisting of a styrene polymer component having a glass transition temperature of ?130° C., formed from and one or more thermoplastic polymers selected from the group consisting of aromatic polyethers; polyolefins; polyacrylates; polycarbonates; polyesters; polyamides; polyether sulfones; polyether ketones and polyether sulfides, (b) heating the polymer component to form a polymer melt, (c) introducing a blowing agent component into the polymer melt to form a foamable melt, (d) homogenizing the mixture, (f) extruding the blowing agent-containing polymer melt through a die plate, (g) pelletizing the blowing agent-containing melt in a liquid-filled chamber to form a pelletized material.
    Type: Application
    Filed: August 30, 2012
    Publication date: March 7, 2013
    Applicant: BASF SE
    Inventors: Holger Ruckdäschel, Alexandre Terrenoire, Jan Kurt Walter Sandler, Klaus Hahn, Ingo Bellin, Georg Grässel, Martin Weber
  • Publication number: 20120283345
    Abstract: The invention is directed to extruded foam based on thermoplastic polymers. The foam contains at least one styrene copolymer which contains copolymerized maleic anhydride units or copolymerized maleimide units, and optionally styrene-acrylonitrile copolymers (SAN), and thermoplastic polymers and at least one halogen-containing polymer as flame retardant, and at least one flame retardant synergist selected from antimony trioxide and dicumyl. The invention also relates to a process for producing the foam with introducing carbon dioxide as blowing agent, and acetone as coblowing agent; into the polymer melt in order to form a foamable melt, and extruding the foamable melt into a region of relatively low pressure with foaming to give the extruded foam. The invention also relates to the use of said foam as insulation material and as structural foam.
    Type: Application
    Filed: May 4, 2012
    Publication date: November 8, 2012
    Applicant: BASF SE
    Inventors: Holger Ruckdäschel, Ingo Bellin, Christian Däschlein, Klaus Hahn, Peter Merkel, Juan-Manuel Igea-Ruiz, Herbert Schall, Maria-Kristin Sommer, Tobias Höld, Christoph Hahn, Elmar Boy
  • Publication number: 20120252914
    Abstract: Flame-retardant polymer foams which comprise, as flame retardant, at least one halogenated polymer, for example brominated polystyrene or styrene-butadiene block copolymer having bromine content in the range from 40 to 80% by weight, or tetrabromobisphenol A compounds (TBBPA), processes for producing these, and also flame-retardant expandable styrene polymers.
    Type: Application
    Filed: December 13, 2010
    Publication date: October 4, 2012
    Applicant: BASF SE
    Inventors: Klaus Hahn, Olaf Kriha, Ingo Bellin, Frank Braun, Patrick Spies, Jan Kurt Walter Sandler, Geert Janssens, Jürgen Fischer, Christoph Fleckenstein, Hartmut Denecke, Sabine Fuchs, Peter Merkel, Manfred Pawlowski, Holger Ruckdäschel, Klemens Massonne
  • Publication number: 20120161061
    Abstract: Closed-cell extruded foam extruded foam with density in the range from 20 to 150 g/l and with a cell number in the range from 1 to 30 cells per mm is obtainable via (a) heating of a polymer component P, formed from P1) from 80 to 100% by weight (based on P) of one or more styrene-acrylonitrile copolymers (SAN), comprising a1) from 18 to 40% by weight (based on SAN) of copolymerized acrylonitrile, a2) from 60 to 82% by weight (based on SAN) of copolymerized styrene, and a3) from 0 to 22% by weight (based on SAN) of at least one copolymerized monomer from the group consisting of alkyl(meth)acrylates, (meth)acrylic acid, maleic anhydride and maleimides, P2) from 0 to 20% by weight (based on P) of one or more thermoplastic polymers from the group consisting of styrene copolymers, polyolefins, polyacrylates, polycarbonates (PC), polyesters, polyamides, polyether sulfones (PES), polyether ketones (PEK), and polyether sulfides, to form a polymer melt, (b) introduction of from 1 to 12% by weight (based on P) of
    Type: Application
    Filed: September 6, 2010
    Publication date: June 28, 2012
    Applicant: BASF SE
    Inventors: Klaus Hahn, Holger Ruckdäschel, Ingo Bellin, Peter Merkel, Markus Hartenstein
  • Publication number: 20120164425
    Abstract: A thermoplastic extruded foam sheet having a thickness in the range from 15 mm to 200 mm and cells having an average cell size in the range from 20 to 2000 ?m, wherein the cell membranes have a fibrous structure with fiber diameters below 1500 nm is useful for example as insulating material, especially in the building construction industry.
    Type: Application
    Filed: December 22, 2011
    Publication date: June 28, 2012
    Applicant: BASF SE
    Inventors: Holger Ruckdäschel, Jens Aßmann, Carsten Schips, Klaus Hahn, Georg Gräßel, Jürgen Lambert, Christof Zylla, Peter Merkel, Geert Janssens
  • Publication number: 20120121905
    Abstract: A process for producing expandable, thermoplastic polymer beads comprising cavities via extrusion of a polymer melt comprising blowing agent through a die plate and pelletization in a chamber comprising liquid under a pressure in the range from 1.5 to 15 bar, which comprises using a polymer melt comprising blowing agent, where the melt comprises from 0.1 to 5% by weight of a nucleating agent D), from 1 to 10% by weight of a blowing agent E) which in essence remains within the polymer beads, from 0.01 to 5% by weight of a co-blowing agent F) forming the cavities, based in each case on the polymer melt comprising blowing agent, and also the expandable thermoplastic polymer bead material which can be obtained by the process, comprising cavities with an average diameter in the range from 0.1 to 50 ?m.
    Type: Application
    Filed: November 8, 2011
    Publication date: May 17, 2012
    Applicant: BASF SE
    Inventors: Holger Ruckdäschel, Carsten Schips, Klaus Hahn, Jens Aßmann, Maximilian Hofmann
  • Publication number: 20120119402
    Abstract: The present invention relates to a composite component comprising an unfoamed polymer phase and a foamed phase, and to a process for producing the same.
    Type: Application
    Filed: November 9, 2011
    Publication date: May 17, 2012
    Applicant: BASF SE
    Inventors: Philippe DESBOIS, Olaf Kriha, Bangaru Sampath, Holger Ruckdäschel, Dietrich Scherzer, Freddy Gruber, Klaus Hahn
  • Publication number: 20120046374
    Abstract: The present invention relates to an extruded foam based on at least one polymer selected from polysulfone or polyether sulfone, polystyrene, or a copolymer produced from styrene, where the extruded foam comprises at least one mineral filler with a particle sizes ?10 ?m, and comprises at least one nucleating agent based on a wax or on an oligomer containing epoxy groups.
    Type: Application
    Filed: August 17, 2011
    Publication date: February 23, 2012
    Applicant: BASF SE
    Inventors: Dietrich Scherzer, Klaus Hahn, Maximilian Hofmann, Jan Kurt Walter Sandler, Holger Ruckdäschel
  • Publication number: 20120041086
    Abstract: An expandable pelletized material comprising A) a polymer matrix composed of A1) at least 55% by weight of polyester (based on the entirety of components A1) and A2)) with a total enthalpy of fusion of up to 60 J/g, optionally of one or more melting points in the range from 100 to 300° C. and of one or more glass transition temperatures in the range from 0 to 250° C., and A2) from 0 to 45% by weight (based on the entirety of components A1) and A2)) of one or more thermoplastic polymers different from component A1); B) a physical blowing agent component, and C) optionally further additives is suitable for producing moldable foams for use in the automobile industry, airline industry, construction industry, packaging industry, sports and leisure industry, in transport, in engineering, in lightweight construction, and/or in composite construction.
    Type: Application
    Filed: August 15, 2011
    Publication date: February 16, 2012
    Applicant: BASF SE
    Inventors: Bangaru Dharmapuri Sriramulu Sampath, Olaf Kriha, Holger Ruckdäschel, Philippe Desbois, Freddy Gruber, Klaus Hahn
  • Publication number: 20110316198
    Abstract: The invention relates to elastic expanded polymer foams and also a process for producing expanded polymer foams by sintering a mixture comprising foam particles P1 and P2 composed of different thermoplastic polymers or polymer blends, wherein the foam particles P1 are obtained by prefoaming expandable, thermoplastic polymer particles comprising A) from 45 to 97.9 percent by weight of a styrene polymer, B1) from 1 to 45 percent by weight of a polyolefin having a melting point in the range from 105 to 140° C., B2) from 0 to 25 percent by weight of a polyolefin having a melting point below 105° C., C1) from 0.1 to 25 percent by weight of a styrene-butadiene or styrene-isoprene block copolymer, C2) from 0.0 to 10 percent by weight of a styrene-ethylene-butylene block copolymer, D) from 1 to 15 percent by weight of a blowing agent, E) from 0 to 5 percent by weight of a nucleating agent, where the sum of A) to E) is 100% by weight.
    Type: Application
    Filed: March 1, 2010
    Publication date: December 29, 2011
    Applicant: BASF SE
    Inventors: Carsten Schips, Jens Assmann, Georg Grässel, Geert Janssens, Maximillan Hofmann, Holger Ruckdäschel, Jürgen Lambert, Christof Zylla