Patents Assigned to Sika Technology AG
  • Patent number: 11624013
    Abstract: Methods in which toughness improvers based on terminally blocked polyurethane prepolymers are used to increase the maximum linear expansion of single component heat-curing epoxy resin compositions, in particular for joining substrates having different thermal expansion coefficients, in particular in the framework of transport agents or white goods.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: April 11, 2023
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Urs Rheinegger, Elyes Jendoubi, Dominique Gallo, Christian Krüger
  • Patent number: 11623191
    Abstract: A system for applying a building material, including: a first component of the building material, including a first constituent and a second constituent; a second component of the building material; a first mixer for mixing the first constituent and the second constituent; a supply device for supplying the first constituent to the mixer; a movement device for modifying a site of application in a space; and a second mixer for mixing the first component and the second component.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: April 11, 2023
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Patrik Kuhn, Raphael Bourquin, Armin Brühwiler, Didier Lootens
  • Publication number: 20230103342
    Abstract: A curing agent for epoxy resins, including 1-amino-3-aminomethyl-3,5,5-trimethylcyclohexane and N-benzyl-1,2-ethandiamine in an amount for the ratio of the number of its amine hydrogens to be in the range of 90/10 to 20/80. The curing agent permits suitable epoxy resin compositions that have excellent workability and that cure particularly rapidly in cold and damp conditions, without blushing-induced surface defects, thus achieving coatings of in particular high hardness, high glass transition temperature and surprisingly little tendency to yellowing.
    Type: Application
    Filed: February 22, 2021
    Publication date: April 6, 2023
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Edis KASEMI, Oguz SARIOGLU, Urs BURCKHARDT, Andreas KRAMER, Ursula STADELMANN, Jochen GRÖTZINGER, Uwe VON DER BRÜGGEN
  • Publication number: 20230094797
    Abstract: A thermally expandable composition including at least one polymer, at least one free radical initiator, at least one chemical blowing agent, and silane groups; and also a baffle and/or a reinforcement element for hollow structures including the thermally expandable composition, to a process for manufacturing the baffle and/or reinforcement element, to use of the baffle and/or reinforcement element for sealing, baffling, or reinforcing of a cavity or a hollow structure, and to a method for sealing, baffling and/or reinforcing a cavity or hollow structure.
    Type: Application
    Filed: February 12, 2021
    Publication date: March 30, 2023
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Cendrine RIBOT, Jeannette CLIFFORD, Leslie WOLSCHLEGER
  • Publication number: 20230097570
    Abstract: A one-component thermosetting epoxy resin composition includes at least one epoxy resin A having on average more than one epoxide group per molecule, at least one latent hardener B for epoxy resins, at least one impact modifier D, at least one physical or chemical blowing agent E and fibrous anhydrous magnesium oxysulfate MOS. Thermally expandable epoxy resin compositions have improved adhesion, especially on metal substrates.
    Type: Application
    Filed: March 15, 2021
    Publication date: March 30, 2023
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Shunsuke YAMADA, Satoshi URAYAMA
  • Publication number: 20230101651
    Abstract: The use of branched copolymers of the general structure (I) as additives for increasing the flow rate and for reducing the viscosity of mineral binder compositions.
    Type: Application
    Filed: November 25, 2020
    Publication date: March 30, 2023
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Jürg WEIDMANN, Jörg ZIMMERMANN, Lukas FRUNZ
  • Publication number: 20230100021
    Abstract: A moisture-curable composition, including at least one organic polymer P containing reactive silane groups, between 1.0 wt.-% and 25.0 wt.-%, preferably between 2.0 wt.-% and 20 wt.-%, in particular between 2.5 wt.-% and 10 wt.-%, based on the total composition, of dimethyl or diethyl esters of aliphatic C3 to C5 dicarboxylic acids, and at least one curing catalyst for alkoxysilane groups. The moisture-curable composition is particularly suitable as elastic adhesive, coating, filler, or sealant and shows superior overpaintability, in particular with automotive topcoats or similar paints.
    Type: Application
    Filed: April 6, 2021
    Publication date: March 30, 2023
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Daniele RUTZ, Charlene DESMORTREUX
  • Patent number: 11613682
    Abstract: A moisture-curable composition having flame retardant properties and to the use thereof as an adhesive, sealant or coating. The composition according to the invention contains at least one moisture-reactive polymer in a proportion of 10% to 50% by weight, at least one precipitated, surface-coated aluminum trihydrate in a proportion of 30% to 60% by weight and in preferred embodiments up to 25% by weight of at least one phosphorus-containing compound and up to 20% by weight of at least one carbon additive. The inventive moisture-curable composition has excellent flame retardant properties and after curing remains resistant for a long time at high heat levels.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: March 28, 2023
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Klaas Mennecke, Sven Reimann, Marcel Oertli
  • Publication number: 20230090942
    Abstract: A reinforcing element for reinforcing structural elements including at least one channel on an outer side. The outer side forms a shoulder next to the channel. Furthermore, the reinforcing element is provided for forming an open system in terms of an adhesion of the reinforcing element in the structural element, wherein, in a use state of the reinforcing element in the structural element, a space is formed between the shoulder of the reinforcing element and the structural element, which is open relative to an adjacent cavity of the structural element.
    Type: Application
    Filed: November 21, 2022
    Publication date: March 23, 2023
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Noah MUNZINGER, Denis SOUVAY, Urs RHEINEGGER
  • Publication number: 20230087362
    Abstract: A method includes adding (i) a comb polymer and (ii) a plasticizer to a mineral binder composition comprising swellable clays. The comb polymer includes: at least one poly(alkylene oxide) side chain-bearing monomer unit without ionic groups, optionally at least one cationic monomer unit, optionally at least one anionic monomer unit, and optionally, at least one non-ionic monomer unit, wherein a molar ratio of the cationic monomer units to the side chain-bearing monomer units is equal to or less than 10, a molar ratio of the anionic monomer units to the side chain-bearing monomer units is less than 1, and a molar ratio of the non-ionic monomer units to the side chain-bearing monomer units is less than 5.
    Type: Application
    Filed: November 18, 2022
    Publication date: March 23, 2023
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Ulf VELTEN, Jürg WEIDMANN, Lukas FRUNZ, Patrick JUILLAND
  • Publication number: 20230088913
    Abstract: An amino-functional addition product from the reaction of at least one diamine of the formula (I) with at least one aromatic diepoxide in a stoichiometric ratio in the range of 1.3 to 1.7 mole diamine per 1 mole-equivalent of epoxy groups. The addition product is liquid at room temperature without a diluent and has surprisingly low viscosity. The composition allows the manufacture of low-emission epoxy-resin coatings that have good workability, cure particularly rapidly and with high surface quality in cold and damp conditions, and allow for a wide range of combinations with other amines and diluents.
    Type: Application
    Filed: February 22, 2021
    Publication date: March 23, 2023
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Edis KASEMI, Oguz SARIOGLU, Urs BURCKHARDT, Andreas KRAMER, Ursula STADELMANN, Jochen GRÖTZINGER, Uwe VON DER BRÜGGEN
  • Publication number: 20230080499
    Abstract: A product, especially a master-batch for producing thermally expandable compositions, is obtainable or obtained by reacting, preferably by extruding, a mixture including: (a) at least one polymer P, cross-linkable by peroxide, and (b) at least one coagent, especially an acrylate A, and (c) at least one peroxide PE, wherein the mixture is reacted such that the product has an average melt flow index (MFI) of between 0.1 and 8 g/10 min.
    Type: Application
    Filed: February 3, 2021
    Publication date: March 16, 2023
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Michael SPEIGHT, Leslie WOLSCHLEGER, Braden LANORE, Jena MABILIA
  • Publication number: 20230072857
    Abstract: A silane group-containing polymer obtained from reacting (i) an isocyanate group-containing polymer having an NCO content in the range of 0.3 to 4% by weight and a monomeric diisocyanate content of at most 0.3 wt. % obtained from the reaction of at least one monomeric diisocyanate with at least one polyether polyol in a molar NCO/OH ratio of at least 3/1 and subsequent removal of a major part of the unreacted monomeric diisocyanates by means of a suitable separation process, (ii) with at least one amino-, mercapto- or hydroxysilane in a stoichiometric ratio of at least 1 mole of amino-, mercapto- or hydroxysilane per mole equivalent of isocyanate groups.
    Type: Application
    Filed: February 3, 2021
    Publication date: March 9, 2023
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Andreas KRAMER, Marcel OERTLI, Ursula STADELMANN, Sven REIMANN
  • Publication number: 20230075895
    Abstract: Methods of obtaining aggregates and/or pulverulent mineral material from a starting material comprising hardened mineral binder and aggregates utilizing process auxiliaries selected from the group consisting of polycarboxylate ethers and/or esters (PCE), glycols, organic amines, especially alkanolamines, ammonium salts of organic amines with carboxylic acids, surfactants, especially nonionic surfactants, gemini surfactants, calcium stearate, alkoxylated phosphonic or phosphoric esters, propane-1,3-diol, carboxylic acids, sulfonated amino alcohols, boric acid, salts of boric acid, borax, salts of phosphoric acid, gluconate, iron sulfate, tin sulfate, antimony salts, alkali metal salts, alkaline earth metal salts, lignosulfonates, glycerol, melamine, melamine sulfonates, water absorbents in the form of a superabsorbent polymer or in the form of a sheet silicate, anticaking agents, sugars, sugar acids, sugar alcohols, phosphates, phosphonates, and mixtures thereof.
    Type: Application
    Filed: February 19, 2021
    Publication date: March 9, 2023
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Arnd EBERHARDT, Patrick JUILLAND, Luis PEGADO, Emmanuel GALLUCCI, Lukas FRUNZ
  • Patent number: 11597684
    Abstract: A waterproofing system including a functional layer S1 including 10-80 wt.-% of at least one thermoplastic polymer P1 and 10-80 wt.-% of at least one solid particulate filler F, wherein the surface of the functional layer S1 has an Auto-correlation length of waviness W(Sal) of at least 50 ?m. Further, a method for producing a waterproofing system and to the use of a mechanical surface treatment step to increase the waviness factor, determined as the ratio of the Root mean square roughness of waviness W(Sq) to the square of the Auto-correlation length of waviness W(Sal), of a surface of a functional layer S1.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: March 7, 2023
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Dario Caviezel, Wolf-Rüdiger Huck, Herbert Ackermann
  • Publication number: 20230068858
    Abstract: An amine-functional adduct from the reaction of an amine mixture containing at least one diamine of formula (I) and at least one diamine of formula (II) in a weight ratio ranging from 65/35 to 95/5 with at least one diepoxide in a stoichiometric ratio of at least 1. 2 moles of diamine of the formula (I) to 1 mole equivalent of epoxide groups. The adduct is liquid at room temperature without diluent even in the presence of a small excess of diamine and is surprisingly low in viscosity. In addition, it is particularly cost-effective, as it is available from an amine mixture that is technically easy to produce. The adduct enables low-emission or emission-free epoxy resin coatings with surprisingly good workability at surprisingly fast curing, which have a high hardness and low tendency to yellowing, and which hardly tend to blushing-related defects even in cold and humid conditions.
    Type: Application
    Filed: February 22, 2021
    Publication date: March 2, 2023
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Edis KASEMI, Oguz SARIOGLU, Urs BURCKHARDT, Andreas KRAMER, Ursula STADELMANN, Jochen GRÖTZINGER, Uwe VON DER BRÜGGEN
  • Publication number: 20230066422
    Abstract: The invention is directed to a thermally expandable composition comprising at least one solid rubber, at least on tackifying resin, a vulcanization system, and a thermally expandable graphite. The invention is also directed to a welding sealer tape comprising a substrate layer composed of the thermally expandable composition, to a method for providing sealing, structural adhesion, baffling, or combination thereof to a structure of a manufactured article, to a baffle and/or reinforcing element comprising the thermally expandable composition, to a method for sealing, baffling and/or reinforcing a cavity or a hollow structure, and to use of a thermally expandable graphite as a blowing agent in a thermally expandable material.
    Type: Application
    Filed: February 11, 2021
    Publication date: March 2, 2023
    Applicant: SIKA TECHNOLOGY AG
    Inventor: Shunsuke YAMADA
  • Patent number: 11591503
    Abstract: A composition includes an epoxy-based curable adhesive having at least one an epoxy resin modified acrylonitrile-butadiene copolymer and at least one thermoplastic elastomer. The at least one thermoplastic elastomer is present in the curable adhesive as a penetrating polymer network. Further, an expandable article is composed of the composition, a reinforcing element includes a support and an expandable article, a method for reinforces cavities of structural components, and the composition is used as a shape memory material.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: February 28, 2023
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Karsten Frick, Alina Keller
  • Patent number: 11590739
    Abstract: A sealing device has a waterproofing layer, a functional layer, and an adhesive layer coated on and at least partially covering the first major surface of the waterproofing layer opposite the side of the functional layer. Also, a method produces a sealing device, a method waterproofs a substrate, and the use of the sealing device seals lapped joints formed between overlapping portions of waterproofing membranes and patches breaches in waterproofing membranes.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: February 28, 2023
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Matia Bulloni, Roy Z'Rotz, Simon Schönbrodt, Christoph Bärtsch, Josef Von Rotz
  • Publication number: 20230059391
    Abstract: A single-component adhesive composition includes: an aqueous acrylic polymer dispersion comprising water and at least one water-dispersed acrylic polymer P; between 0.2 wt.-% and 2.0 wt.-%, preferably between 0.5 wt.-% and 1.5 wt.-%, based on the total composition, of at least one water-dispersed or water-dissolved cross-linker C that can react with carboxylate groups; and between 20 wt.-% and 60 wt.-%, based on the total composition, of at least one filler F with the mean particle size D50 of its primary particles being ?10 ?m, wherein said at least one water-dispersed acrylic polymer P contains free carboxylic acid groups. The composition is highly suitable as adhesive for floor coverings and shows good tack in the wet state and at the same time enables excellent dimensional stability of the bonded floor coverings.
    Type: Application
    Filed: March 2, 2021
    Publication date: February 23, 2023
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Bernd OVERKAMP, Tobias BENIGHAUS, Steffen MAIER