Iso- Or Thio-cyanate Moiety Reacted In Curing Patents (Class 156/331.4)
  • Patent number: 10793758
    Abstract: An object of the present invention is to provide a two-part urethane-based adhesive composition that exhibits excellent adhesion to a base material without using a primer. A two-part urethane-based adhesive composition according to the present invention contains: a main agent that contains a urethane prepolymer having an isocyanate group; and a curing agent that contains a compound having two or more active hydrogen-containing groups in each molecule. One or both of the main agent and the curing agent contain a (meth)acrylamide compound.
    Type: Grant
    Filed: May 25, 2015
    Date of Patent: October 6, 2020
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Yuichi Matsuki, Megumi Abe, Takanori Kido, Hideyuki Matsuda, Masaki Yamamoto
  • Patent number: 10765001
    Abstract: Provided are a thermoplastic liquid crystal polymer film having an improved thermo-adhesive property, a circuit board, and methods respectively for producing the same. The thermoplastic liquid crystal polymer film has a segment orientation ratio SOR of 0.8 to 1.4 and a moisture content of 300 ppm or less. The circuit board contains a plurality of circuit board materials wherein the circuit board materials are at least one member selected from the group consisting of an insulating substrate having a conductor layer on at least one surface, a bonding sheet, and a coverlay. At least one of the circuit board materials includes a thermoplastic liquid crystal polymer film. The circuit board shows a solder heat resistance when the circuit board is placed in a solder bath at 290° C. for 60 seconds in accordance with JIS C 5012.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: September 1, 2020
    Assignee: KURARAY CO., LTD.
    Inventors: Takahiro Nakashima, Takeshi Takahashi, Minoru Onodera
  • Patent number: 10670060
    Abstract: In one example, an article including a soft substrate defining at least one of a first outer perimeter of the substrate or an aperture extending through the soft substrate defining a second outer perimeter of the aperture; a hard coating on the outer surface of the soft substrate; and at least one reinforcement member extending through the soft substrate at a location adjacent to at least one of the first outer perimeter or the second outer perimeter, wherein the at least one reinforcement member increases resistance to compression of the soft substrate at the location of the at least one reinforcement member.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: June 2, 2020
    Assignee: Rolls-Royce Corporation
    Inventor: Bradley D. Belcher
  • Patent number: 10563103
    Abstract: A two-component polyurethane composition includes a first component, including at least one polybutadiene polyol P1 having an average molecular weight of 2,000 to 10,000 g/mol and an average OH functionality of 2.1 to 4, and a second component, including at least one polyisocyanate and optionally at least one isocyanate-terminated polyurethane prepolymer. The composition also contains at least one hydrophobic diol P2 having an average molecular weight of 500 to 5,000 g/mol, selected from polybutadiene diols, polyester diols, polycarbonate diols, polyether diols having a repeat unit having at least 4 C atoms, and/or at least one hydrophobic compound P3, which is terminated with amino groups and has an average molecular weight in the range of 200 to 2,000 g/mol. The ratio of the number of hydroxyl groups from P1 to the number of hydroxyl and primary and secondary amino groups from P2 and P3 is 2:1 to 16:1.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: February 18, 2020
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Steffen Kelch, Michael Schlumpf, Tina Voci
  • Patent number: 10475664
    Abstract: In one aspect, a method includes heating a wafer chuck, heating a first wafer, depositing a first epoxy along at least a portion of a surface of the first wafer disposed on the wafer chuck, spinning the wafer chuck to spread the first epoxy at least partially across the first wafer, placing a second wafer on the first epoxy disposed on the first wafer and bonding the second wafer to the first epoxy under vacuum to form a two-wafer-bonded structure.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: November 12, 2019
    Assignee: RAYTHEON COMPANY
    Inventors: Andrew Cahill, Jonathan Getty, Daniel D. Lofgreen, Paul A. Drake
  • Patent number: 10428251
    Abstract: Two-component polyurethane adhesives include a polyol component and a polyisocyanate component. The polyol component includes a polyether polyol and an aliphatic diol chain extender. The polyisocyanate component includes an isocyanate prepolymer made by reacting an aromatic polyisocyanate with a poly(butylene oxide) polyol. When cured, the adhesive is highly resistant to heat and humidity, and exhibits an unexpectedly high modulus and tensile strength.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: October 1, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Stefan Schmatloch, Ilona Caderas
  • Patent number: 10301516
    Abstract: A method for preparation of a high-viscosity polyester hot-melt adhesive with a partially sensitive viscosity-temperature property is disclosed, including the steps of: i) subjecting terephthalic acid, isophthalic acid, dodecanedioic acid, adipic acid, butanediol, dipropylene glycol and hexanediol to an esterification reaction in the presence of tetrabutyl titanate serving as a catalyst; and ii) adding an antioxidant to a product resulting from step i) to conduct a polycondensation reaction under a reduced pressure so as to obtain the high-viscosity polyester hot-melt adhesive which has a low melting point of 130° C.-135° C. and a partially sensitive viscosity-temperature property.
    Type: Grant
    Filed: July 20, 2015
    Date of Patent: May 28, 2019
    Assignees: KUNSHAN TIANYANG HOT MELT ADHESIVE CO., LTD, SHANGHAI TIANYANG HOT MELT ADHESIVE CO., LTD, EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Zhelong Li, Wanyu Zhu, Heji Lei, Fangqun Wu, Zuoxiang Zeng
  • Patent number: 10253227
    Abstract: A one-part polyurethane composition includes the reaction product of at least one polyether polyol PO, at least one thermoplastic polyester polyol PE, at least one hydrophobic polyol PH, and at least one polyisocyanate PI, preferably methylene diphenyl diisocyanate (MDI), wherein the composition has a remaining isocyanate content of between 0.8 and 3.5 wt.-%, preferably between 1.4 to 1.8 wt.-%, based on the total weight of the isocyanate-functional polymers comprised therein, and wherein said polyether polyol PO includes a bifunctional polyether polyol PO1 and a trifunctional polyether polyol PO2 and wherein said hydrophobic polyol PH is a polyester polyol based on fatty acids. The inventive one-component composition exhibits high green strength and long open time, as well as high storage stability. It is especially suitable as adhesive, in particular for automotive windshields and is preferably applied warm.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: April 9, 2019
    Assignee: SIKA TECHNOLOGY AG
    Inventor: Hong Yao
  • Patent number: 10155891
    Abstract: A one-component structural adhesive comprising an isocyanate-terminated prepolymer having polymerized residues of: (a) 40 to 95 wt % of a polytetramethylene ether glycol; and (b) 5 to 60 wt % of an aliphatic diisocyanate.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: December 18, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Andreas Lutz, Daniel Schneider
  • Patent number: 10080642
    Abstract: A stent for treating a physical anomaly. The stent includes a skeletal support structure for expanding in the physical anomaly and a shape memory material coupled to the skeletal support structure.
    Type: Grant
    Filed: July 13, 2015
    Date of Patent: September 25, 2018
    Assignees: Lawrence Livermore National Security, LLC, The Regents of the University of California
    Inventors: Thomas S. Wilson, Duncan J. Maitland, Ward Small, IV, Patrick R. Buckley, William J. Benett, Jonathan Hartman, David A. Saloner
  • Patent number: 10005926
    Abstract: The present invention provides a novel sewing-free hot melt adhesive TPU leather and a preparation method thereof. The hot melt adhesive TPU leather comprises a release paper, a hot melt adhesive film, and a TPU film. The release paper comprises a bottom paper layer, an adhesive layer, a plastic layer, a transition layer, and a release layer; a hot melt adhesive raw material comprises polyester polyol, diisocyanate, polyether polyol, and a plurality of additives; and a TPU raw material comprises polymer polyol, 1,4-cyclohexane-diisocyanate, a chain extender, and a plurality of functional additives.
    Type: Grant
    Filed: June 9, 2014
    Date of Patent: June 26, 2018
    Assignee: DONGGUAN XIONGLIN NEW MATERIAL TECHNOLOGY CO., LTD
    Inventors: Jianxiong He, Yiliang Wang
  • Patent number: 9982173
    Abstract: A moisture-cured hot-melt adhesive can be formulated as a PUR-HM that is R-40 classification-free and stable during storage and processing, having a residual monomer content of less than 1 wt. % and having good cross-linking density and full-curing speed. The hot-melt adhesive is particularly suitable for vehicle construction in industrial manufacture, in particular of automobiles, in the textile or furniture industry or in the packaging industry.
    Type: Grant
    Filed: March 5, 2015
    Date of Patent: May 29, 2018
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Doreen Janke, Mathias Cordes, Kai Paschkowski
  • Patent number: 9790406
    Abstract: An impact-resistant film comprises at least one layer of an elastomeric polymer material and an adhesive layer.
    Type: Grant
    Filed: October 3, 2013
    Date of Patent: October 17, 2017
    Assignee: Berry Plastics Corporation
    Inventor: Adalbert E Lavature
  • Patent number: 9771460
    Abstract: The present invention is directed to a method for adjusting the tack value of a binder material formed from a composition comprising an emulsion that comprises an emulsifiable prepolymer that is the reaction product of (i) an isocyanate compound, (ii) a polyol compound, and (iii) a monol compound, and wherein the method comprises: (a) determining a desired tack profile for the emulsion, wherein the tack profile comprises a tack value ranging from 1 to 4 as measured by the TACK TEST METHOD for a particular time value, and adjusting the reactive group ratio of component (i) to (ii) to achieve the desired tack value profile; (b) introducing water to components (i), (ii), and (iii) to form the emulsion composition; and (c) applying the emulsion composition to a lignocellulosic substrate thereby forming a mixture having a moisture water content ranging from 7% to 25% based on the total weight of the mixture.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: September 26, 2017
    Assignee: HUNTSMAN INTERNATIONAL LLC
    Inventor: Christopher J. Moriarty
  • Patent number: 9716010
    Abstract: A handle wafer which prevents edge cracking during a thinning process and method of using the handle wafer for grinding processes are disclosed. The handle wafer includes a body portion with a bottom surface. A square edge portion is provided about a circumference of the bottom surface.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: July 25, 2017
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: Jeffrey P. Gambino, Kenneth F. McAvey, Jr., Charles F. Musante, Bruce W. Porth, Anthony K. Stamper, Timothy D. Sullivan
  • Patent number: 9513407
    Abstract: To provide a photochromic composition which functions as an adhesive layer for bonding two optical sheets that are formed of a polycarbonate resin or the like, so that a laminate that is obtained by bonding two optical sheets with the composition being sandwiched therebetween has excellent adhesion, heat resistance and photochromic properties. In particular, to provide a photochromic composition which is capable of forming an adhesive layer that is not decreased in the adhesion between the optical sheets even in cases where the adhesive layer is in contact with hot water. Provided is a photochromic composition which contains a urethane polymer having a polymerizable group (component A) and a photochromic compound (component B).
    Type: Grant
    Filed: April 16, 2012
    Date of Patent: December 6, 2016
    Assignee: Tokuyama Corporation
    Inventors: Toshimitsu Hiraren, Katsuhiro Mori, Yasutomo Shimizu
  • Patent number: 9493604
    Abstract: A composition comprising in Part 1: a) one or more isocyanate functional components having aromatic isocyanate functional groups; and b) one or more isocyanate functional components having aliphatic isocyanate functional groups; and in Part 2 c) one or more compounds having more than one isocyanate reactive groups: wherein the ratio of aromatic isocyanate functional groups to isocyanate reactive groups is from 0.95 to 1.05 and the ratio of aromatic isocyanate functional groups and aliphatic isocyanate functional groups (total isocyanate groups) to isocyanate reactive groups is from 1.10 to 1.30.
    Type: Grant
    Filed: January 29, 2013
    Date of Patent: November 15, 2016
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Ulrich Tribelhorn, Dirk Schwoeppe
  • Patent number: 9487687
    Abstract: An object to be achieved by the present invention is to provide a bookbinding adhesive which is excellent in high-speed application properties, cutting properties, book opening properties, and bookbinding strength. The present invention is directed to a bookbinding adhesive characterized by having a melt viscosity in the range of from 1,000 to 10,000 mPa·s, as measured at 120° C. by means of a cone plate viscometer, exhibiting a JIS A hardness of 20 or more, as measured with respect to the adhesive which is applied and allowed to stand for 30 minutes, in an atmosphere at 23° C., and exhibiting a JIS A hardness of 95 or less, as measured with respect to the adhesive which is applied and allowed to stand for 30 minutes, in an atmosphere at 23° C., and is then allowed to stand in an atmosphere at 23° C. and at a humidity of 50% for one week, wherein a cured film of the adhesive has an upper yield stress of 7 MPa or less.
    Type: Grant
    Filed: August 7, 2014
    Date of Patent: November 8, 2016
    Assignee: DIC CORPORATION
    Inventors: Atsushi Ninomiya, Yukihiko Minamida, Toyokuni Fujiwara, Ryou Nonaka
  • Patent number: 9156998
    Abstract: A coating agent, which comprises a cellulose derivative, an isocyanate group-containing 1,2-polybutadiene, a synthetic wax having a softening point of 100°-150° C., a fatty acid amide having a softening point of 60°-170° C., and graphite, can satisfy desired performances, when applied to rubbery elastomers, etc. such as prevention of sticking, adhesion and blocking, and improvement of abrasion resistance, and also can serve as a surface-treating agent for vulcanized rubber without peeling of coating films due to adhesion under high-temperature compression or friction-abrasion under high specific pressure.
    Type: Grant
    Filed: April 2, 2008
    Date of Patent: October 13, 2015
    Assignee: NOK Corporation
    Inventors: Toshihiro Higashira, Atsushi Yokota
  • Patent number: 9127163
    Abstract: Aqueous binder composition comprising an organic emulsifiable polyisocyanate, an aromatic polyester polyol and a alkali metal salt of a carboxylic acid as trimerisation catalyst and its use for bonding mineral fibre or lignocellulosic material.
    Type: Grant
    Filed: November 24, 2011
    Date of Patent: September 8, 2015
    Assignee: Huntsman International LLC
    Inventors: Dominicus Limerkens, Marc Broekaert, Stefan Priemen
  • Patent number: 9032692
    Abstract: Embodiments of the invention include insulated units and methods of producing the insulating units. The insulating units include a first surface, a structural seal disposed on at least portions of the first surface, and a second surface disposed on the structural seal. The structural seal includes the reaction product of at least one first isocyanate, at least one isocyanate reactive side, and at least one adhesion promoter including a reaction product of at least one secondary aminoalkoxy silane and at least one second isocyanate.
    Type: Grant
    Filed: November 10, 2011
    Date of Patent: May 19, 2015
    Assignee: Dow Global Technologies LLC
    Inventors: Bindushree Radhakrishnan, Laura A. Grier, Syed Z. Mahdi
  • Publication number: 20150098057
    Abstract: A photochromic polyurethane laminate that is constructed to solve certain manufacturing difficulties involved in the production of plastic photochromic lenses is disclosed. The photochromic laminate includes at least two layers of a resinous material and a photochromic polyurethane layer that is interspersed between the two resinous layers and which contains photochromic compounds. The polyurethane layer is formed by curing a mixture of a solid thermoplastic polyurethane, at least one isocyanate prepolymer, at least one photochromic compound, and a stabilizing system.
    Type: Application
    Filed: December 8, 2014
    Publication date: April 9, 2015
    Inventors: Xuzhi Qin, Hideyo Sugimura, Michael S. Boulineau
  • Patent number: 8987375
    Abstract: A moisture-curable polyurethane formulation is provided capable of curing to form a reaction product, having high green strength and being dispensable from a caulking gun. The polyurethane formulation comprises at least one isocyanate-terminated prepolymer, at least one rheology modifier or filler, optionally monomeric/polymeric isocyanate, and at least one urea-based thixotropic additive added to the formulation or formed in situ, to provide greater than 1% of urea groups in the reaction product. A method for making a moisture-curable polyurethane formulation capable of curing to form a reaction product and methods of bonding materials together using the formulation are also provided.
    Type: Grant
    Filed: August 27, 2010
    Date of Patent: March 24, 2015
    Assignee: Construction Research & Technology GmbH
    Inventors: Paula Bushendorf, John M. Davis, Michael Porsch
  • Patent number: 8962784
    Abstract: A novel macromer or mixture thereof is described herein, comprising isocyanatophenyl ether terminal moieties and at least two residues of a water-soluble polymer having a molecular weight ranging from 80 to 10,000 adjacent to the ether group of the isocyanatophenyl ether terminal isocyanate moieties, thereby forming at least two ether linkages in the macromer or mixture thereof. A method for making a polyisocyanate macromer is also described herein.
    Type: Grant
    Filed: December 19, 2008
    Date of Patent: February 24, 2015
    Assignee: Ethicon, Inc.
    Inventors: Chetan Anirudh Khatri, Benjamin D. Fitz, Joseph Zavatsky
  • Publication number: 20150013904
    Abstract: A composition comprising in Part 1: a) one or more isocyanate functional components having aromatic isocyanate functional groups; and b) one or more isocyanate functional components having aliphatic isocyanate functional groups; and in Part 2 c) one or more compounds having more than one isocyanate reactive groups: wherein the ratio of aromatic isocyanate functional groups to isocyanate reactive groups is from 0.95 to 1.05 and the ratio of aromatic isocyanate functional groups and aliphatic isocyanate functional groups (total isocyanate groups) to isocyanate reactive groups is from 1.10 to 1.30.
    Type: Application
    Filed: January 29, 2013
    Publication date: January 15, 2015
    Inventors: Ulrich Tribelhorn, Dirk Schwoeppe
  • 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
  • Publication number: 20150004476
    Abstract: A molding packaging material excellent in interlaminar lamination strength is provided, in which it is possible to prevent deterioration of the interlaminar strength due to influences of electrolytes and also possible to prevent deterioration of the interlaminar strength due to influences of heat generation and/or expansion/contraction of the packaging material caused by repetition of charging/discharging.
    Type: Application
    Filed: January 11, 2013
    Publication date: January 1, 2015
    Inventors: Takahiro Ito, Junya Komano, Makoto Imahori, Tetsunobu Kuramoto, Yuuji Minamibori
  • Publication number: 20140356568
    Abstract: An adhesive composition for use on a fleece-backed roofing substrate includes two components that are mixed prior to application on the fleece backed roofing substrate. The first component includes renewable polyol, catalyst, fumed silica, and surfactant. The renewable polyols are selected from any non-petroleum based polyol that is derived from a renewable source. The second component includes isocyanates, including renewable and non-renewable isocyanates.
    Type: Application
    Filed: June 13, 2011
    Publication date: December 4, 2014
    Applicant: ADCO PRODUCTS, INC.
    Inventors: Nicholas John Berard, Wayne Mazorow, Michael Lewis Kerman
  • Publication number: 20140342135
    Abstract: A method for adhesively bonding shaped elements made from wood-based materials to flexible film substrates, in which i) the side that is to be bonded is mechanically processed, ii) a reactive one- or two-component polyurethane adhesive is applied to the center regions of this side, iii) an aqueous adhesive based on EVA, PVAc, PVOH is applied at least to the outer region of this side, and iv) this side is bonded to a flexible substrate as an edge coating.
    Type: Application
    Filed: August 1, 2014
    Publication date: November 20, 2014
    Inventors: Jurgen Lorenz, Helga Garmann, Hermann Weidmann, Matthias Baust
  • Patent number: 8871891
    Abstract: Two-part polyurea-urethane adhesive compositions comprising a Part A prepolymer component having an isocyanate component comprising polymeric isocyanate and an oligomer content greater than 15 weight percent, polyol having a molecular weight of about 5,000 to about 12,000 and about 20 weight percent to about 44 percent weight percent filler; and a Part B curative component comprising polyol having molecular weight of about 5,000 to about 12,000, aromatic amine, about 20 weight percent to about 44 percent weight percent filler and catalyst wherein the adhesive has an 85° C. storage modulus greater than about 20 MPa. The two-part polyurea-urethane adhesive composition can be applied to bond various substrates including composite materials and metal, including making parts for the transportation and assembly markets.
    Type: Grant
    Filed: May 15, 2012
    Date of Patent: October 28, 2014
    Assignee: Ashland Licensing and Intellectual Property LLC
    Inventor: Michael James Barker
  • Publication number: 20140311674
    Abstract: Adhesives having high tensile strength are prepared from moisture-curable alkoxysilyl-terminated polyurethanes.
    Type: Application
    Filed: November 15, 2012
    Publication date: October 23, 2014
    Inventors: Volker Stanjek, Lars Zander
  • Patent number: 8858752
    Abstract: Structural adhesives are prepared from an elastomeric toughener that contains urethane and/or urea groups, and have terminal isocyanate groups that are capped with ketoxime compound. The adhesives have very good storage stability and cure to form cured adhesives that have good lap shear and impact peel strengths, even at ?40° C.
    Type: Grant
    Filed: January 28, 2014
    Date of Patent: October 14, 2014
    Assignee: Dow Global Technologies LLC
    Inventors: Andreas Lutz, Daniel Schneider
  • Patent number: 8846809
    Abstract: A urethane adhesive composition includes a first liquid and a second liquid, the first liquid containing a prepolymer obtained by reacting a polyisocyanate and a high-molecular-weight polyol (I), and at least one filler selected from talc and calcium carbonate, and containing 20 parts by mass or more of talc, 0 to 40 parts by mass of calcium carbonate, and 10 parts by mass or more of zeolite based on 100 parts by mass of the polyisocyanate, the high-molecular-weight polyol (I), and the prepolymer in total, the second liquid containing a high-molecular-weight polyol (II) and a low-molecular-weight polyol, the ratio of the number of moles of hydroxyl groups derived from the low-molecular-weight polyol to the total number of moles of hydroxyl groups derived from the high-molecular-weight polyol (I) and the high-molecular-weight polyol (II) being four or more.
    Type: Grant
    Filed: September 10, 2008
    Date of Patent: September 30, 2014
    Assignee: Emulsion Technology Co., Ltd.
    Inventors: Yoshinori Igarashi, Koichiro Higasa
  • Patent number: 8845847
    Abstract: A low pressure, low toxicity method of making a composite door, and a door formed from the method involving the steps forming a door frame; installing a foam block within the door frame; applying a thin coating of 1 millimeter to 4 millimeters of an water activated adhesive made of isocyanate and an alkylating agent edge to edge on a front and back side of the door frame and foam block and then within a few seconds or minutes of applying the adhesive, misting the adhesive; then placing the door frame and foam block with adhesive on a back skin then overlaying a front skin on an opposite side forming a door assemblage; and applying low pressure and low heat to the door assemblage to form the composite door.
    Type: Grant
    Filed: March 21, 2013
    Date of Patent: September 30, 2014
    Assignee: Glasscraft Door Company
    Inventors: John B Plummer, Joseph Gene Denley
  • Patent number: 8845851
    Abstract: Disclosed is an adhesive composition comprising a protein component, an AE adduct component and an isocyanate component. Also disclosed is a composite and a method of making a composite comprising a substrate and the adhesive composition of the present invention.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: September 30, 2014
    Assignee: Solenis Technologies, L.P.
    Inventors: Anthony J. Allen, James M. Wescott, Daniel F. Varnell, Michael A. Evans
  • Publication number: 20140262020
    Abstract: Primer compositions for adhering two sheets of polymer material to one another are provided. The primer compositions include polyurethanes that are the reaction product of an isocyanate, and at least one of a polyol, a chain extender, and a diamine. The polyurethanes may include pure polyurethanes, or commercially available varieties that may include other additives. The premier compositions are well-suited for adhering polycarbonate and polyurethane sheets together for use in transparent armor applications, as they help to ensure a very strong bond between the two sheets, and resist delamination.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: Schott Corporation
    Inventor: Schott Corporation
  • Patent number: 8834670
    Abstract: An optical adhesive composition includes a urethane (meth)acrylate resin having at least one hydroxyl group and at least one vinyl group, the urethane (meth)acrylate resin having a curing contraction ratio expressed by Equation 1 of about 0 to about 3%; and an adhesion of about 30 to about 80 kgf: Curing contraction ratio (%)=(A?B)/A×100,??[Equation 1] where A is a specific gravity of the optical adhesive composition before curing, and B is a specific gravity of the solid optical adhesive composition after curing.
    Type: Grant
    Filed: October 14, 2011
    Date of Patent: September 16, 2014
    Assignee: Cheil Industries, Inc.
    Inventors: Kyoung Jin Ha, Ji Hye Kwon, Kil Sung Lee, Irina Nam, Lee June Kim
  • Patent number: 8822031
    Abstract: An adhesive composition that includes: one or more polyester polyether copolymers of formula I: wherein Nu is a predominately cyclic nucleus and R1 is randomly selected from either a C2-6 alkylene or an amorphous, long-chain polyether subunit including a polyoxyalkylene group; one or more polyisocyanate prepolymers that includes the reaction product of: one or more polyols; and a polyfunctional isocyanate having a functionality of more than about 2; polymeric MDI; and a first aromatic or aromatic-aliphatic polymer tackifying resin having a softening point of equal to or greater than about 100° C.
    Type: Grant
    Filed: May 10, 2012
    Date of Patent: September 2, 2014
    Assignee: H.B. Fuller Company
    Inventors: Marietta B. Helmeke, Jeffrey G. Schmierer, Theresa Unze-Schmierer
  • Patent number: 8815330
    Abstract: The following is included: loading cells spatially defined by partitions with a dispersion liquid containing electrophoretically mobile particles and a dispersion medium for dispersing the electrophoretically mobile particles, and covering the exposed surface of the dispersion liquid loaded in the cells with a sealing coating to seal the dispersion liquid in the cells. The dispersion medium is a lipophilic hydrocarbon solvent, and the sealing coating is made from a material containing a water-soluble polymer.
    Type: Grant
    Filed: April 11, 2011
    Date of Patent: August 26, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Kozo Shitagami, Harunobu Komatsu
  • Patent number: 8790781
    Abstract: The invention relates to two-component polyurethane compositions that are especially suitable for use as a structural adhesives. Said compositions are constituted of a polyol component K1 and a polyisocyanate component K2, the polyol component K1 comprising at least one alkoxylated aromatic diol A1 and at least one aliphatic triol A2 and the polyisocyanate component K2 comprising at least one polyisocyanate B1.
    Type: Grant
    Filed: February 10, 2006
    Date of Patent: July 29, 2014
    Assignee: Sika Technology AG
    Inventor: Martin Demmig
  • Patent number: 8790488
    Abstract: Biocompatible macromer compositions are provided including an isocyanate-functional polyalkylene oxide combined with at least one multi-functional isocyanate as a first component, and a multi-amino functional compound possessing multiple primary amines as a second component. The isocyanate-functional polyalkylene oxide has pendant polyalkylene oxide groups. The resulting biocompatible macromer composition can be employed as an adhesive or sealant for medical/surgical uses.
    Type: Grant
    Filed: January 2, 2013
    Date of Patent: July 29, 2014
    Assignee: Covidien LP
    Inventors: Ahmad R. Hadba, Nadya Belcheva
  • Patent number: 8778131
    Abstract: This invention relates to a process for sealing an above-ground or underground structure. It involves in particular the use of non-reactive dispersion adhesive compounds. This process in particular has the advantage that good and long-lived adhesion can be achieved very quickly, and that in particular the non-reactive dispersion adhesives that are used have a small tendency to absorb the plasticizers present in the PVC sealing film, so that as a result this process is best suited to assure long-lasting adhesion of PVC films with various substrates.
    Type: Grant
    Filed: December 14, 2011
    Date of Patent: July 15, 2014
    Assignee: Sika Technology AG
    Inventors: Martin Demmig, Andre Buchholz, Christina Bosse, Martin Linnenbrink
  • Patent number: 8734609
    Abstract: A process for continuous manufacturing of moisture-curable polyurethane formulations used as sealants and adhesives. The process is characterized by the fact that the reactive components are introduced independently, and without the need for a prepolymer, to a mixer. Solid or liquid raw materials can be either pre-blended or fed directly to the mixer, a twin-screw extruder, which provides the requisite energy to homogenously mix the raw materials and drive the chemical reaction. The process is designed so that the extruder barrel and screw allow variable feed addition and heat exchange down the length of the machine. This allows various operations to be performed at different points in the extruder, including reaction, dispersive mixing, distributive mixing and devolitization.
    Type: Grant
    Filed: December 24, 2008
    Date of Patent: May 27, 2014
    Assignee: Bostik, Inc.
    Inventor: Sean G. Duffy
  • Patent number: 8716427
    Abstract: A two-component curable solventless adhesive which enables a laminated composite film comprising a barrier layer and a plastic film laminated with each other to maintain excellent appearance and adhesive strength for a long period even after a sterilization treatment at high temperature, and to appropriately adjust a reaction between a base resin and a curing agent during a production of the laminated composite film. The two-component curable solventless adhesive comprises a base resin and a curing agent, wherein the base resin contains a polyol having an acid group and a secondary or tertiary terminal hydroxyl group accounting for 30% or more of the entire terminal hydroxyl groups of the polyol, and the curing agent contains an isocyanate group-terminated urethane prepolymer containing at least an aralkyl polyisocyanate and/or a modified substance thereof as a raw polyisocyanate, and a content of a low molecular weight polyisocyanate is defined.
    Type: Grant
    Filed: February 4, 2005
    Date of Patent: May 6, 2014
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Akihiro Imai, Kazuaki Imamura, Taiji Morimoto, Hiroshi Kawasaki, Mikio Matsufuji
  • Patent number: 8702899
    Abstract: The present invention relates to polyurethane compositions containing uretdione groups that can be cured at a low temperature and are intended more particularly for polyurethane powder coating compositions and adhesive compositions, to a process for preparing them and to their use.
    Type: Grant
    Filed: November 19, 2008
    Date of Patent: April 22, 2014
    Assignee: Evonik Degussa GmbH
    Inventors: Emmanouil Spyrou, Gabriele Brenner
  • Patent number: 8696844
    Abstract: A method is provided of adhesively bonding an elastomeric member to a glass substrate in such a way as to accelerate the building of the strength of such bond and to a vehicle glazing having such an elastomeric member bonded to the glass substrate. This accelerated bonding process is accomplished by mixing a nucleophilic and/or electrophilic catalyst with a beneficial amount of an adhesion promoting primer applying such mixture to a peripheral portion of the glass substrate and exposing same to ambient air. By accelerating the building of the subject bond strength, the rate of “creep” is significantly reduced.
    Type: Grant
    Filed: April 21, 2010
    Date of Patent: April 15, 2014
    Assignee: Pilkington Group Limited
    Inventor: Julia B. MacLachlan
  • Patent number: 8668986
    Abstract: The present invention relates to aromatic aldimines, which are based on primary aromatic polyamines, which are solid at room temperature and liquid at room temperature and which have the lowest possible viscosity, hydrolyze with little odor, and can be used as blocked amines in curable compositions, in particular in compositions having one-component and two-component isocyanate groups. Said compositions have a relatively long open time, but cure surprisingly rapidly, said curing occurring without strong odor formation and without bubbling. In addition, the compositions have outstanding mechanical properties after curing, in particular high strength with high ductility, and good resistance to heat and moisture.
    Type: Grant
    Filed: November 13, 2008
    Date of Patent: March 11, 2014
    Assignee: Sika Technology AG
    Inventor: Urs Burckhardt
  • Patent number: 8664330
    Abstract: High green strength reactive hot melt adhesives are prepared using relatively low levels of reactive acrylic, and may be prepared with liquid crystalline or crystalline diols.
    Type: Grant
    Filed: April 4, 2003
    Date of Patent: March 4, 2014
    Assignee: Henkel US IP LLC
    Inventors: Ju-Ming Hung, Wayne K. Chu, Yue S. Zhang, Ingrid Cole
  • Patent number: 8652293
    Abstract: A moisture-curable and biodegradable adhesive that includes the reaction product of: (a) an isocyanate component having an average functionality of at least 2; (b) an active hydrogen component having an average functionality greater than 2.1; and (c) an ionic salt component having an average hydroxyl or amino functionality, or combination thereof, of at least 1.
    Type: Grant
    Filed: April 5, 2012
    Date of Patent: February 18, 2014
    Assignee: Cohera Medical, Inc.
    Inventors: Jason Smith, Eric Beckman
  • Publication number: 20140034231
    Abstract: The present invention relates to an adhesive material, especially an electrically and/or thermally and/or radiation-curing or curable adhesive material, having at least one adhesive constituent and/or adhesive matrix, and moreover having at least one additive in the form of a carbon material, especially based on carbon nanomaterials and/or carbon micromaterials, present in the adhesive constituent and/or adhesive matrix. The invention further relates to a method for producing, activating and/or curing an adhesive material. Finally the invention also relates to a method for adhesively bonding two substrates.
    Type: Application
    Filed: February 10, 2012
    Publication date: February 6, 2014
    Inventors: Tim Schubert, Thomas Meinen, Christian Zenkel