Reactant Which Contains At Least Two -c-c(=x)-x-c Groups Has Been Derived From Only A Dicarboxylic Acid Or Derivative And Only A Dihydric Alcohol Or Alcoholate Derivative Patents (Class 528/83)
  • Patent number: 10472465
    Abstract: The present invention relates to a method for producing a polycarbonate diol, comprising subjecting a compound represented by the following formula (A) containing from 0.01 to 1.0 wt % of an aldehyde derivative, a compound represented by the following formula (B), and a carbonate compound to polycondensation by a transesterification reaction in the presence of a catalyst to produce a polycarbonate diol having a number average molecular weight of 250 to 5,000: HO—(CH2)10—OH??(A) HO—R1—OH??(B) wherein in the formula (B), R1 represents a substituted or unsubstituted divalent alkylene group having a carbon number of 3 to 20, wherein the compound of the formula (A) is not included by the formula (B).
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: November 12, 2019
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Kazunao Kusano, Kazuki Wakabayashi, Yoko Nakagawa, Yusuke Izawa, Yoshikazu Kanamori
  • Patent number: 10300660
    Abstract: A method of treating at least part of a surface (110) of an article (100) in which an article (100) is treated, at least part of a surface (110, 111) of the article having been produced by an additive manufacturing method from a construction material, and the construction material provides a temperature TG? at which the storage modulus G? of the construction material (determined by dynamic-mechanical analysis according to ISO 6721 at a shear rate of 1/s) is 10 MPa. The article is preferably placed into an evacuable volume and the volume is evacuated. By heating and exerting pressure, the surface is plastically deformed and can be smoothed thereby.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: May 28, 2019
    Assignee: Covestro Deutschland AG
    Inventors: Dirk Achten, Thomas Büsgen, Roland Wagner, Bettina Mettmann, Levent Akbas, Julien Guiu
  • Patent number: 9150989
    Abstract: The present invention provides a spunbonded non-woven fabric having excellent productivity, stretchability, touch and fuzz resistance without adhesion thereof on a roll and the like just after fiber deposition during the production. The spunbonded non-woven fabric comprises long fibers of a thermoplastic polyurethane elastomer (A) containing ethylene bisoleic acid amide and/or crosslinked organic fine particles and having a hardness of 75 to 85, and the spunbonded non-woven fabric comprises the long fibers of the thermoplastic polyurethane elastomer (A) and long fibers of a thermoplastic resin (B) other than the thermoplastic polyurethane elastomer (A). The present invention also provides uses thereof.
    Type: Grant
    Filed: April 15, 2011
    Date of Patent: October 6, 2015
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Kenichi Suzuki, Tetsuya Yokoyama
  • Patent number: 9101796
    Abstract: A golf ball having an over-indexed thermoplastic polyurethane elastomer cover and having a soft feeling when hit. The golf ball cover also may be cross-linked.
    Type: Grant
    Filed: January 3, 2012
    Date of Patent: August 11, 2015
    Assignee: NIKE, Inc.
    Inventors: Yasushi Ichikawa, Thomas J. Kennedy, III, Chen-Tai Liu, Chien-Hsin Chou, Hui-Kai Liao
  • Patent number: 9012590
    Abstract: The present invention relates to an electrostatic dissipative thermoplastic polyurethane composition made by reacting (a) at least one polyester polyol intermediate with (b) at least one diisocyanate and (c) at least one chain extender. The polyester polyol intermediate, may be derived from at least one dialkylene glycol and at least one dicarboxylic acid, or an ester or anhydride thereof. The invention further provides for methods of making said thermoplastic polyurethane composition, polymer blends containing said thermoplastic and polymer articles made from said thermoplastic.
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: April 21, 2015
    Assignee: Lubrizol Advanced Materials, Inc.
    Inventors: Qiwei Lu, Donald A. Meltzer, Yona Eckstein
  • Patent number: 8962786
    Abstract: The present invention relates to chain extenders, processes for their preparation and their use in the preparation of biocompatible biodegradable polyurethanes and polyurethane ureas for biomedical applications such as stents, scaffolds for tissue engineering.
    Type: Grant
    Filed: June 20, 2011
    Date of Patent: February 24, 2015
    Assignee: PolyNovo Biomaterials Pty Ltd
    Inventors: Pathiraja Arachchillage Gunatillake, Timothy Graeme Moore, Raju Adhikari
  • Patent number: 8946374
    Abstract: A polyurethane resin composition for optical applications can contain, as essential components, a polyisocyanate and a polyester-ether polyol obtained by polycondensation of a glycol component containing an alkylene oxide adduct of a bisphenol and an aromatic carboxylic acid component and particularly preferably having a glass transition temperature of 50° C. or lower. An optical material using the composition is also provided for.
    Type: Grant
    Filed: September 14, 2010
    Date of Patent: February 3, 2015
    Assignee: DIC Corporation
    Inventors: Tomoyuki Imada, Kouji Shiraishi
  • Patent number: 8933188
    Abstract: The tendency of a two component laminating adhesive based on polyurethane chemistry to form a mist of fine droplets when applied at a high line speed may be reduced by including both a high functionality polyol and a lower functionality polymeric polyol in Component B which is combined and reacted with an isocyanate-functionalized polyurethane prepolymer in Component A.
    Type: Grant
    Filed: November 12, 2004
    Date of Patent: January 13, 2015
    Assignee: Henkel US IP LLC
    Inventors: J. Brandon Simons, Grant B. Kenion
  • Patent number: 8912291
    Abstract: Embodiments include oxazolidone ring containing adducts obtainable by combining an aliphatic epoxy compound, an aromatic epoxy compound, and a diisocyanate. Embodiments further include a curable powder coating composition including a resin component and a hardener component, where the resin component includes the oxazolidone ring containing adduct.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: December 16, 2014
    Assignee: DOW Global Technologies LLC
    Inventors: Joseph Gan, Emile C. Trottier
  • Publication number: 20140256902
    Abstract: The present invention relates to homogeneous extruded articles made from thermoplastically processable polyurethanes based on polyester diols formed from succinic acid and 1,3-propanediol.
    Type: Application
    Filed: September 27, 2012
    Publication date: September 11, 2014
    Applicant: Bayer Intellectual Property GmbH
    Inventors: Wolfgang Bräuer, Yi Shen, Wolfgang Kaufhold, Hartmut Nefzger
  • Patent number: 8802770
    Abstract: The present invention discloses a semicrystalline, thermoplastic polyurethane which is comprised of the reaction product of (1) a hydrophobic polyol, (2) a polyisocyanate, and (3) a linear chain extender containing 5 carbon atoms or 7 to 12 carbon atoms; wherein the hydrophobic polyol has a number average molecular weight which is within the range of about 1,000 to about 4,000; wherein the semicrystalline, thermoplastic polyurethane has a weight average molecular weight which is within the range of 50,000 to 1,000,000; and wherein the semicrystalline, thermoplastic polyurethane has a melting point which is within the range of 80° C. to 150° C. This hydrophobic thermoplastic polyurethane offers a unique array of characteristics that are highly desirable for utilization in manufacturing a variety of products. For instance, it can be used in overmolding soft grips onto consumer products, in adhesives, and in protective coatings.
    Type: Grant
    Filed: January 21, 2009
    Date of Patent: August 12, 2014
    Assignee: Lubrizol Advanced Materials, Inc.
    Inventors: Donald A. Meltzer, Jacques P. E. J. Horrion
  • Publication number: 20140194533
    Abstract: The present invention provides a biocompatible and biodegradable elastomer, comprising a hard segment and a soft segment. The hard segment is formed by reacting diisocyanate and a chain extender; and the soft segment is comprising a biodegradable oligomer diol, wherein the biodegradable oligomer diol is selected from the group consisting of polycaprolactone diol, polyethylene butylene adipate diol (PEBA diol), poly-L-lactic acid diol (PLLA diol), polylactic acid diol and any combination thereof. The biocompatible and biodegradable elastomer of present invention can be used to produce vascular graft, cell carrier, drug carrier or gene carrier.
    Type: Application
    Filed: December 31, 2013
    Publication date: July 10, 2014
    Applicant: National Taiwan University
    Inventors: Shan-hui Hsu, Kun-Che Hung, Shenghong A. Dai, Chun-Yi Lu
  • Patent number: 8742054
    Abstract: A hybrid resin composition is described, the composition comprising: A. An A part composition comprising an aliphatic polyfunctional isocyanate compound and a free radical polymerization initiator; and B. A B part composition comprising an ethylenically unsaturated, substantially water-free polyester polyol and a polyurethane catalyst. The A part composition can contain a non-interfering solvent, e.g., styrene, and the B part composition typically has an acid value of 5 or less (based on solids). For outdoor use, the B part composition is preferably free of tertiary hydrogens, ether glycols and terephthalic acid residues.
    Type: Grant
    Filed: August 18, 2006
    Date of Patent: June 3, 2014
    Assignee: CCP Composites US
    Inventors: Frédéric Bauchet, Larry Morris, Woody Holley, Kenneth Seroogy
  • Publication number: 20140101825
    Abstract: The invention relates to a fiber excellent in cool contact feeling which is excellent in hand and skin touch and capable of preventing unpleasant feeling in the wet state while also having excellent elasticity. The invention also relates to fabric, clothing, and underwear excellent in cool contact feeling and obtainable by using said fiber as well as the methods of making the fibers and articles thereof.
    Type: Application
    Filed: April 10, 2012
    Publication date: April 17, 2014
    Applicant: LUBRIZOL ADVANCED MATERIALS, INC.
    Inventors: Ravi R. Vedula, Mouh-Wahng Lee
  • Patent number: 8697830
    Abstract: Light-stable, sinterable, thermoplastic polyurethanes with improved blooming behavior and good thermal stability as well as good technical processability are produced from an aliphatic diisocyanate using one or more chain extenders corresponding to a specified formula. These polyurethanes are particularly useful in the production of molded articles, particularly molded articles for automotive interiors.
    Type: Grant
    Filed: May 4, 2007
    Date of Patent: April 15, 2014
    Assignee: Bayer MaterialScience AG
    Inventors: Henricus Peerlings, Wolfgang Kaufhold, Hartmut Nefzger, Erika Bauer, Markus Broich
  • Publication number: 20140051823
    Abstract: The problem to be solved by the present invention is to provide a method for continuously and effectively producing an aliphatic polyester having an increased molecular weight which prevents evaporation of diisocyanate at the step of mixing the diisocyanate with the aliphatic polyester prepolymer in a molten state at a temperature not lower than the melting point of the prepolymer and enables uniform mixing of the diisocyanate with the aliphatic polyester prepolymer.
    Type: Application
    Filed: January 17, 2012
    Publication date: February 20, 2014
    Inventors: Yasushi Ichikawa, Hideharu Kimura, Akira Ishii
  • Publication number: 20140018458
    Abstract: A method for producing a polyester polyol is disclosed. The method comprises reacting phthalic anhydride with a diol selected from the group consisting of ethylene glycol, propylene glycol, 1,3-propanediol, 2-meth-1,3-propanediol, neopentyl glycol, 1,6-hexanediol, polyethylene glycols having a number average molecular weight within the range of 200 g/mol to 600 g/mol, and mixtures thereof at a diol to phthalic anhydride molar ratio within the range of 1.1 to 1.6. The resulting o-phthalate polyester polyol has a hydroxyl value in the range of 18 to 400 mg KOH/g, an acid value in the range of 0.2 to 5.0 mg KOH/g, and 1 wt. % or less of cyclic esters.
    Type: Application
    Filed: March 7, 2012
    Publication date: January 16, 2014
    Applicant: STEPAN COMPANY
    Inventors: Douglas Hillshafer, Andrew Guo
  • Patent number: 8609776
    Abstract: An ethylenically unsaturated prepolymer comprising an ending X which reacts by condensation being a hydroxyl and/or amine or free isocyanate group and optionally an ending X? having ethylenic unsaturation, the prepolymer being the reaction product of a first component A comprising a mixture of i) a first ethylenically unsaturated resin carrying specific hydroxyl and/or amine reactive endings, and/or ii) optionally a second resin different from resin i), being an ethylenically unsaturated hydroxylated resin and/or a hydroxylated and/or aminated saturated resin, and/or iii) optionally a third reactive saturated resin, iv) optionally an unsaturated monoalcohol up to 30% in equivalents of the OH+NH2 total, and a second component B comprising a polyisocyanate with a functionality equal to 2 or greater than 2, A and B being in proportions to effectively avoid any gelling by crosslinking.
    Type: Grant
    Filed: July 4, 2007
    Date of Patent: December 17, 2013
    Assignee: CCP Composites
    Inventors: Patrick Belliard, Jérôme Mazajczyk, Roland Delory, Guillaume Cledat, Francis Verdiere, Serge Herman
  • Patent number: 8602523
    Abstract: Disclosed is an ink jet printhead comprising a plurality of channels, wherein the channels are capable of being filled with ink from an ink supply and wherein the channels terminate in nozzles on one surface of the printhead, the surface being coated with a coating composition comprising a fluorinated poly(amide-imide) copolymer.
    Type: Grant
    Filed: November 11, 2011
    Date of Patent: December 10, 2013
    Assignee: Xerox Corporation
    Inventors: Edward F Grabowski, Yuhua Tong
  • Publication number: 20130274401
    Abstract: The present invention encompasses polyurethane adhesive compositions comprising aliphatic polycarbonate chains. In one aspect, the present invention encompasses polyurethane adhesives derived from aliphatic polycarbonate polyols and polyisocyanates wherein the polyol chains contain a primary repeating unit having a structure: In another aspect, the invention provides articles comprising the inventive polyurethane compositions as well as methods of making such compositions.
    Type: Application
    Filed: April 16, 2013
    Publication date: October 17, 2013
    Applicant: Novomer, Inc.
    Inventors: Scott D. Allen, Vahid Sendijarevic, James O'Connor
  • Patent number: 8557947
    Abstract: Curable polyurethane, polyurea and polyurethane/polyurea compositions that are particularly useful as the outer layer and/or at least one inner layer of golf balls, cured compositions, golf balls comprising the cured composition, and methods of increasing the initial velocity of a golf ball using the curable polyurethane, polyurea and polyurethane/poly urea compositions are disclosed.
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: October 15, 2013
    Assignees: The Hanson Group, LLC, Formost Golf Manufacturing, Ltd.
    Inventors: Wallace Lee Hanson, Jr., Kevin W. Light, Ray Vernon Scott, Jr., Shenshen Wu
  • Patent number: 8536293
    Abstract: The present invention provides a triblock copolymer and a viscoelastic biostable foam comprising the same.
    Type: Grant
    Filed: March 15, 2011
    Date of Patent: September 17, 2013
    Assignee: Vysera Biomedical Limited
    Inventors: Niall Behan, Ashutosh Kumar
  • Patent number: 8524852
    Abstract: Golf balls containing at least one layer made from a thermoset polyurethane or polyurethane-urea that is the reaction product of a polyisocyanate with moisture-resistant polyol and a curing agent are provided. The moisture-resistant polyol may be prepared by dimerizing unsaturated aliphatic monocarboxylic acid or ester containing 10 to 60 carbon atoms followed by reacting it with a monomeric, oligomeric, or polymeric diol. In one preferred version, the moisture-resistant polyol is a branched polyester polyol containing 36 carbon atoms. The composition can be prepared using prepolymer or one-shot manufacturing techniques. The thermoset composition has good cross-link density. The resulting golf ball has desirable playing performance properties including high resiliency, toughness, impact durability, moisture-resistance, and soft feel.
    Type: Grant
    Filed: April 19, 2010
    Date of Patent: September 3, 2013
    Assignee: Acushnet Company
    Inventors: Murali Rajagopalan, Michael Michalewich, Shawn Ricci, Michael J. Sullivan
  • Patent number: 8454793
    Abstract: An adhesive containing polyisocyanate and a polyol containing at least one dimer fatty acid and/or dimer fatty diol. The adhesive is particularly suitable for use on wood.
    Type: Grant
    Filed: December 22, 2003
    Date of Patent: June 4, 2013
    Assignee: Croda International PLC
    Inventors: Jeffrey Thomas Carter, Renee-van Schijndel
  • Patent number: 8431674
    Abstract: The invention relates to prepolymers containing alkoxysilane groups based on special, low-viscosity polyester polyols, which exhibit particularly high tensile strength, a process for the production thereof and their use as a binder for adhesives, primers or coatings.
    Type: Grant
    Filed: February 9, 2011
    Date of Patent: April 30, 2013
    Assignee: Bayer MaterialScience AG
    Inventors: Michael Ludewig, Mathias Matner
  • Patent number: 8367157
    Abstract: Radiation curable compositions comprising at least one radiation curable oligomer responding to a structure (C)—(B)-(A)-[(B)(C)]x wherein (A) is the residue of one or more hydroxyl functional polyester having a molecular weight MN higher than 900, a TG and/or Tm of 5 less than 30° C., and which is obtained from an acid constituent comprising at least 75 mole % of saturated aliphatic polyacid and, optionally, 0 to 25 mole % of another polyacid and an alcohol constituent, (B) is the residue of one or more polyisocyanate, (C) is the residue of one or more ethylenically unsaturated hydroxyl compound, and x is from 0.5 to 10.
    Type: Grant
    Filed: February 2, 2007
    Date of Patent: February 5, 2013
    Assignee: Cytec Surface Specialties, S.A.
    Inventors: Isabelle Fallais, Jean-Yves Salviato, Thierry Randoux
  • Publication number: 20130005900
    Abstract: Embodiments of the invention provide for polyurethane gels or soft elastomers which incorporate renewable resources without compromising the physical and chemical properties of the gels or soft elastomers, such as resistance to many chemicals.
    Type: Application
    Filed: March 10, 2011
    Publication date: January 3, 2013
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Gerhard Mueller, Verena M.T. Thiede
  • Patent number: 8318867
    Abstract: The invention relates to surface modifying macromolecules (SMMs) having high degradation temperatures and their use in the manufacture of articles made from base polymers which require high temperature processing. The surface modifier is admixed with the base polymer to impart alcohol and water repellency properties.
    Type: Grant
    Filed: December 12, 2011
    Date of Patent: November 27, 2012
    Assignee: Interface Biologics, Inc.
    Inventors: Sanjoy Mullick, Weilun Chang, Alexandra Piotrowicz, Jeannette Ho, Richard Witmeyer
  • Patent number: 8296974
    Abstract: The present invention is a transparent thermoplastic polyurethane (TPU) comprising structural units of: a.) a diisocyanate; b.1) a polyester diol and b.2) a specific polyether diol and c.) a chain extender. The TPU has good combinations of light transmission and clarity, tensile strength, low temperature flexibility, and high moisture vapor transition rates compared to other commercial or known TPUs. A preferred example composition is a TPU that is based on MDI as the diisocyanate monomer, polycaprolactone as a polyester diol, an EO capped EO/PO polyether diol containing less than 20% EO, and butanediol as chain extender. These composition have good combinations of clarity, tensile strength, hydrolytic stability and processability compared to TPUs prepared using either polyester or polyether diols alone or the combination with a higher EO polyether diol.
    Type: Grant
    Filed: September 22, 2006
    Date of Patent: October 30, 2012
    Assignee: Lubrizol Advanced Materials, Inc.
    Inventors: Mark F. Sonnenschein, J. Mark Cox, Hanno R. Van der Wal, Benjamin L. Wendt
  • Patent number: 8288478
    Abstract: Golf balls containing at least one layer made from a thermoplastic polyurethane or polyurethane-urea that is the reaction product of a polyisocyanate with moisture-resistant polyol and a curing agent are provided. The moisture-resistant polyol may be prepared by dimerizing unsaturated aliphatic monocarboxylic acid or ester containing 10 to 60 carbon atoms followed by reacting it with a monomeric, oligomeric, or polymeric diol. In one preferred version, the moisture-resistant polyol is a branched polyester polyol containing 36 carbon atoms. The composition can be prepared using prepolymer or one-shot manufacturing techniques. The resulting golf ball has desirable playing performance properties including high resiliency, toughness, impact durability, moisture-resistance, and soft feel.
    Type: Grant
    Filed: February 25, 2010
    Date of Patent: October 16, 2012
    Assignee: Acushnet Company
    Inventors: Murali Rajagopalan, Derek A. Ladd, Michael J. Sullivan
  • Publication number: 20120245280
    Abstract: An object is to provide a material for slush molding that is excellent in low-temperature meltability, and gives a molded body excellent in both of tensile strength and elongation. The present invention is a thermoplastic urethane resin (D) for thermal molding, which is a thermoplastic urethane resin yielded by causing high molecular weight diols (A) to react with a diisocyanate (B), wherein the high molecular weight diols (A) comprise a polyester diol (A1) having a glass transition temperature of 0 to 70° C., and a high molecular weight diol (A2) having a solubility parameter lower than that of the (A1) by 1.2 to 3.0 and further having a glass transition temperature of ?40 to ?75° C.
    Type: Application
    Filed: December 3, 2010
    Publication date: September 27, 2012
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Yasuhiro Tsudo, Masaki Inaba, Shinji Watanabe
  • Publication number: 20120214891
    Abstract: The present invention relates to polyester polyols based on aromatic dicarboxylic acids or derivatives thereof and to the use of the polyester polyols for producing polyurethanes.
    Type: Application
    Filed: February 21, 2012
    Publication date: August 23, 2012
    Applicant: BASF SE
    Inventors: Lionel GEHRINGER, Gunnar KAMPF, Sirus ZARBAKHSH, Joachim-Thierry ANDERS
  • Publication number: 20120142885
    Abstract: Provided is a moisture-curing hot melt adhesive, which has superior overall performance, including heat resistance, adhesiveness, and solidification performance, and with which there is no reduction in the resulting IC card quality or productivity. Also provided is an IC card obtained by applying such a moisture-curing hot melt adhesive. The moisture-curing hot melt adhesive for an IC card comprises a urethane prepolymer (A) having a chemical structure (A1) derived from a polyester polyol (a1) that has isocyanate groups at the terminals and that is obtained by reacting of a diol and a dicarboxylic acid having 10 carbons or fewer. The moisture-curing hot melt adhesive has a shear modulus with non-moisture curing that is between (1×104) and (1×108) Pa at 40° C. and between (1×100) and (1×104) at 80° C. An IC card can be ideally produced by bonding a decorative material and a substrate using the moisture-curing hot melt adhesive.
    Type: Application
    Filed: November 28, 2011
    Publication date: June 7, 2012
    Inventors: Yuichi Matsuki, Masaru Yamauchi, Yoshio Yoshida, Tadashi Hayakawa, Ai Takamori
  • Publication number: 20120095164
    Abstract: The invention relates to novel aqueous, crosslinkable polyurethane dispersions based on terephthalic acid polyesters, the production thereof and their use in combination with hydroxy-functional reactants for the production of lacquers, coatings and sizes which are distinguished especially by high film hardness together with high elasticity and very good adhesion.
    Type: Application
    Filed: June 24, 2010
    Publication date: April 19, 2012
    Applicant: BAYER MATERIALSCIENCE AG
    Inventors: Harald Blum, Heino Müller, Sebastian Dörr
  • Patent number: 8143368
    Abstract: Hydrolytically degradable polymers in the form of biodegradable disposable medical devices for use in medicine and laboratories such as syringes, test tubes, catheters, tubing, trays, medical fabrics, and gloves are described. The devices are formed in whole or in part of a hydrolytically degradable polymer. In the preferred embodiment, the devices or structural components thereof degrade in a period of weeks to months, preferably within a year and more preferably within six months of exposure to aqueous solutions. Conventional hydrolytically degradable polymers may be utilized or these may be modified to increase mechanical or processing characteristics, for example, using a polyfunctional branching agent and/or a chain extending agent. In one embodiment, the hydrolytically degradable polymer is a member of a new class of polyesters comprising an aliphatic dicarboxylic acid, an aliphatic diol and optionally, one or more bifunctional fatty acids such as ricinoleic acid and/or castor oil.
    Type: Grant
    Filed: December 22, 2005
    Date of Patent: March 27, 2012
    Assignee: Massachusetts Institute of Technology
    Inventors: Abraham J. Domb, Robert S. Langer
  • Patent number: 8138299
    Abstract: Thermoplastic polyurethanes which have a hardness of from 50 Shore A to 80 Shore A and are based on (b) polyester diols, wherein a polyester diol (b1) based on butane-1,4-diol and at least one further diol having at least 5 carbon atoms and a polyester diol (b2) based on butane-1,4-diol and at least one further diol having two or three carbon atoms are present as (b) polyester diols.
    Type: Grant
    Filed: April 25, 2006
    Date of Patent: March 20, 2012
    Assignee: BASF Aktiengesellschaft
    Inventors: Jörn Duwenhorst, Hauke Malz, Karin Scheffer, Thomas Flug, Martin Vallo
  • Patent number: 8114920
    Abstract: The UV-curable aqueous coating composition is characterized by using a UV-curable aqueous emulsion obtained by urethane reaction with a mixture including a poly-carbonate polyol or polyester polyol; an isocyanate compound; a urethane-reactive carboxylic acid; a UV-curable acrylic oligomer having 2 to 9 functional acrylate groups; a UV-curable acrylic monomer; and a urethane-reactive acrylate without an organic solvent. The aqueous composition provides good environmental acceptability and satisfactory film properties comparable to those of the prior oily UV-curable coating composition and, therefore, it is useful for coating various plastics.
    Type: Grant
    Filed: January 15, 2007
    Date of Patent: February 14, 2012
    Assignee: Akzo Nobel Coatings International B.V.
    Inventors: Dong Soo Kim, Tae Yun Jeong, Su Dong Hong, Jung Hyun Oh
  • Publication number: 20120018066
    Abstract: Prepolymers having active NCO groups are disclosed. The prepolymers are the reaction product of at least one polyisocyanate and a polyhydric component which comprises at least one dimer fatty derivative diol or diamine that is a natural oil based polyol or polyamine which includes the derivative of at least one dimer fatty acid. Polyurethane and polyurea elastomer obtained from the prepolymers are also disclosed. Also disclosed are methods of manufacturing polyurethane or polyurea treaded tires.
    Type: Application
    Filed: March 16, 2010
    Publication date: January 26, 2012
    Applicant: Dow Global Technologies Inc.
    Inventors: Rui Xie, Syed A. Shah, Kandathil E. Verghese
  • Patent number: 8097675
    Abstract: Isocyanate mixtures comprising: (a) NCO prepolymers having an NCO content of 1.5 to 18 wt. %; and (b) 1 to 40 wt. % of monomeric 2,2?-diisocyanatodiphenylmethane, based on the isocyanate mixture; wherein the isocyanate mixture has a total NCO content of from 2 to 22 wt. %; polyisocyanate polyaddition products prepared therefrom; and methods of making the same.
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: January 17, 2012
    Assignees: Bayer MaterialScience AG, Polytex Sportbelage Produktions GmbH
    Inventors: Zdenka Finder, Jens Krause, Friedhelm Faehling, Manfred Schmidt, Dirk Wegener
  • Publication number: 20110306747
    Abstract: A polyester film containing a polyester resin having an intrinsic viscosity IV of from 0.73 to 0.9 dL/g in which the polyester film has a specific heat change at 85° C. to 135° C. (?Cp) of from 0.06 to 0.1 J/g, has an excellent weather resistance, a good planar surface state and a low thermal shrinkage.
    Type: Application
    Filed: June 10, 2011
    Publication date: December 15, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Kiyokazu HASHIMOTO, Yasutomo GOTO, Kenji KANO
  • Patent number: 8058343
    Abstract: Novel aqueous polyurethane dispersions and adhesive films formed therefrom are provided. The aqueous polyurethane dispersions are provided in solvent-free systems of a prepolymer comprising at least one polyether or polyester polyol, a mixture of MDI isomers, and a diol. The adhesive films from such dispersions can be heat-activated for bonding, lamination, and adhesion of textile fabrics, including stretch fabrics.
    Type: Grant
    Filed: May 14, 2007
    Date of Patent: November 15, 2011
    Assignee: Invista North America S.àr.l.
    Inventors: Hong Liu, Carmen A Covelli, Douglas K Farmer
  • Patent number: 8022138
    Abstract: Aqueous polyurethane dispersion are disclosed where the dispersions contain from 5 to 70 weight percent polyurethane solids wherein the solids are obtained from at least one isocyanate terminated prepolymer prepared by reacting (a) a polyol or polyol blend having a mean average equivalent weight of 200 to 2,000; and (b) at least one polyisocyanate where the prepolymer is dispersed in water; optionally in the presence of (c) one or more stabilizers; or (d) one or more amine chain extenders or both; wherein the prepolymers have an isocyanate (NCO) content of from 2 to 40 weight percent and the polyol or polyol blend (a) contains at least 15 weight percent of a polyester based on a polycarboxylic acid or lactone component and a glycol component, wherein the glycol component contains isomers of 1,3- and 1,4-cyclohexanedimethanol (1,3-/1,4-CHDM) where the ratio of the 1,3-/1,4-isomers is from 35:65 to 65:35.
    Type: Grant
    Filed: May 17, 2007
    Date of Patent: September 20, 2011
    Assignee: Dow Global Technologies LLC
    Inventors: John N. Argyropoulos, Debkumar Bhattacharjee
  • Patent number: 7989074
    Abstract: A polymeric material may be prepared by reacting a mixture comprising an amino functional polyorganosiloxane, polyisocyanate, and polyol. The polyol may comprise a hydroxy-functional poly(meth)acrylate. The polymeric material may be used as a coating for a substrate and may inhibit fouling on a surface exposed to aquatic conditions.
    Type: Grant
    Filed: June 6, 2007
    Date of Patent: August 2, 2011
    Assignee: NDSU Research Foundation
    Inventors: Dean C. Webster, Robert J. Pieper, Abdullah Ekin
  • Patent number: 7964696
    Abstract: The present invention relates to chain extenders, processes for their preparation and their use in the preparation of biocompatible biodegradable polyurethanes and polyurethane ureas for biomedical applications such as stents, scaffolds for tissue engineering.
    Type: Grant
    Filed: September 20, 2006
    Date of Patent: June 21, 2011
    Assignee: Polynovo Biomaterials Pty Limited
    Inventors: Pathiraja Arachchillage Gunatillake, Timothy Graeme Moore, Raju Adhikari
  • Publication number: 20110133122
    Abstract: The present invention discloses low viscosity aromatic polyester polyols suitable for blending with other polyols or other materials mutually compatible with the polyester polyols to achieve polyurethane and polyisocyanurate products. In particular the present invention discloses polyester polyols comprising the reaction of: A) an aromatic component comprising at 80 mole percent or greater of terephthalic acid; B) polyethylene glycol having a molecular weight from 150 to 1000; and C) a glycol different from the glycol of B); wherein A, B, and C are present in the reaction on a percent weight bases of 20 to 60 weight percent A); 40 to 75 weight percent of B); and 0 to 40 weight percent of C).
    Type: Application
    Filed: August 4, 2009
    Publication date: June 9, 2011
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventor: Giuseppe Lista
  • Publication number: 20110112270
    Abstract: The present invention relates generally to polyurethane elastomer compositions; and more preferably to thermo-plastic polyurethane elastomer compositions. In one embodiment, the polyurethane elastomer compositions of the present invention have low melting points while still behaving in an elastomeric manner. In one embodiment, the polyurethane elastomer compositions of the present invention are prepared from the reaction of a polyol component, a polyisocyanate component, and a diol chain extender. In another embodiment, the polyurethane elastomer compositions of the present invention are prepared from the reaction of a polyester polyol component, a methylene diphenyl diisocyanate (MDI) component, and a linear diol chain extender having either 5 carbons or 7 or more carbons between the OH groups of the diol.
    Type: Application
    Filed: December 12, 2008
    Publication date: May 12, 2011
    Applicant: LUBRIZOL ADVANCED MATERIALS, INC.
    Inventor: Donald A. Meltzer
  • Patent number: 7935779
    Abstract: Disclosed are processes for synthesizing polyimides by a sequential self-repetitive reaction between poly (aryl carbodiimide) (p-CDI) or aryl diisocyanates with dianhydrides.
    Type: Grant
    Filed: March 7, 2008
    Date of Patent: May 3, 2011
    Assignee: Great Eastern Resins Industrial Co., Ltd.
    Inventors: Shenghong A. Dai, Jiang-Jen Lin, Kuan-Liang Wei
  • Patent number: 7935776
    Abstract: The present invention relates to a radiation curable and developable polyurethane which is characterized by having a carboxy group in its main chain and a acryloyl group in its side chain and comprising the following repeat units (I), (II), and (II) in a random arrangement: wherein R1, R2, R3, R4, and T are defined in the specification. The polyurethane has a weight molecular weight measured by GPC in a range of from 3,000 to 400,000; an acid value in a range of from 5 to 120 mgKOH/g. The present invention also relates to a radiation curable and developable composition containing the polyurethane.
    Type: Grant
    Filed: March 20, 2008
    Date of Patent: May 3, 2011
    Assignee: AGI Corporation
    Inventors: Wei Hsiang Huang, Ying Jen Chen, Jui Ming Chang, Chun Hung Kuo, Hong Ye Lin, Li Chung Chang
  • Publication number: 20110092648
    Abstract: The present invention relates to an electrostatic dissipative thermoplastic polyurethane composition made by reacting (a) at least one polyester polyol intermediate with (b) at least one diisocyanate and (c) at least one chain extender. The polyester polyol intermediate, may be derived from at least one dialkylene glycol and at least one dicarboxylic acid, or an ester or anhydride thereof. The invention further provides for methods of making said thermoplastic polyurethane composition, polymer blends containing said thermoplastic and polymer articles made from said thermoplastic.
    Type: Application
    Filed: October 1, 2010
    Publication date: April 21, 2011
    Applicant: LUBRIZOL ADVANCED MATERIALS, INC.
    Inventors: Qiwei Lu, Donald A. Meltzer, Yona Eckstein
  • Patent number: 7906607
    Abstract: It is an object of the present invention to provide an isocyanate group-terminated urethane prepolymer which has a low viscosity at melting and a process for producing the same, and an adhesive which comprises the urethane prepolymer. The invention relates to a process for producing an isocyanate group-terminated urethane prepolymer which comprises reacting polyols with a polyisocyanate compound, wherein the polyols comprise 10 to 50% by mass of a polyester polyol and 90 to 50% by mass of a polycarbonate polyol and wherein a sebacic acid-derived polyester polyol which is a polycondensate of sebacic acid with a diol compound accounts for 50 to 100% by mass of the polyester polyol and wherein the polyisocyanate compound and the polyols are reacted in such amounts that the ratio (by mol) of the isocyanate group/hydroxyl group is 1.2 to 3.2.
    Type: Grant
    Filed: October 22, 2007
    Date of Patent: March 15, 2011
    Assignee: Asahi Glass Company, Limited
    Inventors: Tomeyoshi Ohori, Hiroshi Wada