Patents Assigned to Sika Technology AG
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Publication number: 20240075707Abstract: A membrane used in waterproofing, roofing and tunneling applications, the membrane includes a barrier layer including thermoplastic polymer component and a contact layer bonded directly to at least portion of the barrier layer, the contact layer includes a mixture of mineral binder component, thermoplastic polymer component, and surfactant component. Also includes a method for producing the membrane, a method for waterproofing a substrate, to a waterproofed construction, to a method for sealing a substrate against water penetration and to a sealed construction for sealing a substrate against water penetration.Type: ApplicationFiled: November 7, 2023Publication date: March 7, 2024Applicant: SIKA TECHNOLOGY AGInventor: Matthias GÖSSI
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Patent number: 11912631Abstract: A method for the kinetic regulation of cementitious binders and/or cementitious binder compositions, the method including the steps of providing a cementitious binder, admixing at least one borate mineral to said cementitious binder, and optionally admixing an activator selected from the group consisting of CaO, Ca(OH)2, and/or CaSO4.Type: GrantFiled: June 12, 2020Date of Patent: February 27, 2024Assignee: SIKA TECHNOLOGY AGInventors: Luis Pegado, Emmanuel Gallucci, Arnd Eberhardt, Patrick Juilland, Denise Schönenberger, Letizia Caderas
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Publication number: 20240059612Abstract: The invention relates to the use of branched copolymers as dispersants of mineral binders, wherein the copolymers are formed from (1) at least one olefinically unsaturated carboxylic acid monomer (2) at least one olefinically unsaturated macromonomer of the general structure (I) where R1 is an olefinically unsaturated radical which has 2-10 carbon atoms and may optionally be substituted by oxygen and/or nitrogen, preferably vinyl, allyl, methallyl, vinyloxybutyl, isoprenyl, acryloyl and/or methacryloyl, X=O or NH, A is in each case independently C1-C10 alkylene, preferably ethylene, propylene and/or butylene, R2=C1-C16 alkyl, B is in each case independently C1-C10 alkylene, preferably ethylene, propylene and/or butylene, m is in each case independently an integer in the range of 0-350, preferably 2-200, more preferably 5-150, especially 7-30, n is an integer in the range of 0-100, preferably 1-100, more preferably 2-75, most preferably 5-55, p is 0 or 1, preferably 0, o is an integer in the rangeType: ApplicationFiled: November 25, 2020Publication date: February 22, 2024Applicant: SIKA TECHNOLOGY AGInventors: Jürg WEIDMANN, Jörg ZIMMERMANN, Lukas FRUNZ
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Publication number: 20240059364Abstract: A system for mounting insulating elements on structural elements in motor vehicles includes a plurality of insulating elements that are provided in at least one stack. The system further includes at least one structural element of a motor vehicle and a robot. Said robot is designed to be able to take each individual insulating element from the stack and arrange it on the structural element.Type: ApplicationFiled: February 3, 2022Publication date: February 22, 2024Applicant: SIKA TECHNOLOGY AGInventors: Henrik LINDGREN, Wolf-Peter SANDER
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Publication number: 20240059936Abstract: An adhesive composition includes at least one acrylic compound A, a reaction product RP obtained by polyaddition reaction of at least one compound P and at least one hardener H, and at least one free radical initiator I. A method for preparing an adhesive composition, to an at least partially cured adhesive, to a sealing device, to a method producing a sealing device, and to a waterproofed structure.Type: ApplicationFiled: February 22, 2022Publication date: February 22, 2024Applicant: SIKA TECHNOLOGY AGInventors: Markus HAUFE, Cyrill GUT, Charlene DESMORTREUX
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Publication number: 20240059931Abstract: A hot-melt composition has excellent workability, hot flow resistance, balance between adhesion and detachability, volatility resistance, and hot creep resistance. The hot-melt composition includes: as thermoplastic elastomers, a styrene-based thermoplastic elastomer having a weight average molecular weight of 300,000 or more, a styrene-based thermoplastic elastomer having a styrene content of no greater than 20% by mass, and an olefin-based thermoplastic elastomer including an ethylene propylene rubber and/or butyl rubber; as tackifiers, an aromatic petroleum resin, a terpene phenol resin, and an amorphous polyalphaolefin; a high molecular weight paraffin oil having a weight average molecular weight of 1,000 or more; and a low molecular weight paraffin oil having a weight average molecular weight of less than 1,000.Type: ApplicationFiled: December 6, 2021Publication date: February 22, 2024Applicant: SIKA TECHNOLOGY AGInventor: Misaki MATSUMURA
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Publication number: 20240059943Abstract: Heat-curing epoxy resin compositions containing a curing agent in the form of a mixture of aromatic dicarboxylic dihydrazide with a dihydrazide chosen from the group consisting of glutaric dihydrazide, adipic dihydrazide, pimelic dihydrazide, 8,12-eicosadienedioic acid-1,20-dihydrazide and 4-isopropyl-2,5-dioxoimidazolidine-1,3-di(propionohydrazide). The epoxy resin compositions are particularly suitable for automotive body-in-white bonding, where after induction pre-curing without additional metal joining techniques the pre-cured adhesives are cured again in a further step at temperatures of around 180° C.Type: ApplicationFiled: March 22, 2022Publication date: February 22, 2024Applicant: SIKA TECHNOLOGY AGInventors: Dusko PARIPOVIC, Dominique GALLO, Antonio VOCI
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Publication number: 20240059828Abstract: A method of producing a hem flange bond wherein the method uses a one-component thermosetting epoxy resin composition including 20-60% by weight of at least one epoxy resin A, a latent curing agent for epoxy resins B, 10-40% by weight of at least one toughness improver D, and 4-12% by weight of a room temperature solid, crystalline polyester polyol PP. This enables compositions that are suitable for spray application and are not expressed from the hem flange in the crimping operation.Type: ApplicationFiled: December 13, 2021Publication date: February 22, 2024Applicant: SIKA TECHNOLOGY AGInventors: Dominique GALLO, Goran CAKIC, Noah MUNZINGER
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Publication number: 20240052204Abstract: A method for adhesively bonding two substrates, including the steps: (a) applying a liquid, radiation-curable primer composition onto the surface of a first substrate; (b) curing the liquid, radiation-curable primer composition by applying radiation with a suitable wavelength, intensity and temporal exposure such that the radiation-curable primer composition is cured into a solidified, coherent or interrupted layer adhering to the surface of the substrate; (c) optionally storing the primed substrate for a time of up to 6 months; (d) applying a curable adhesive composition onto the cured primer composition on the substrate; (e) joining a second substrate to the adhesive composition on the first substrate such that an adhesive bond is formed between the substrates, wherein the surface of the second substrate to be adhesively bonded is optionally pre-treated to improve adhesion before step (e) is performed; (f) curing the curable adhesive composition.Type: ApplicationFiled: March 11, 2022Publication date: February 15, 2024Applicant: SIKA TECHNOLOGY AGInventors: Denise STORRER, Manuel BUCK, Reto DOHNER, Matthias DICK
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Patent number: 11891546Abstract: A moisture-curable composition, including at least one polymer P containing reactive silane groups; between 0.1 and 5 wt.-%, based on the total composition, of at least one organosilane OS of the formula (I), wherein R20 independently stands for a monovalent, optionally cyclic or branched, hydrocarbyl or heterocarbyl radical, optionally comprising aromatic moieties, which contains 1 to 12 carbon atoms and wherein the carbon atom next to the silicon atom either bonds via a C?C double bond to another carbon atom or bonds to a heteroatom selected from O, N, and S; R21 independently stands for a linear, cyclic, or branched divalent hydrocarbyl radical having 2 to 12 carbon atoms and optionally containing aromatic moieties; R22 stands for a hydrogen atom or a group of the formula (Ia); characterized in that the curable composition does not contain catalytically active organometallic or acidic compounds.Type: GrantFiled: June 24, 2019Date of Patent: February 6, 2024Assignee: SIKA TECHNOLOGY AGInventors: Klaas Mennecke, Marcel Oertli
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Patent number: 11891507Abstract: A thermosetting epoxy resin composition including, as curing agent, a dihydrazide selected from the group consisting of glutaric dihydrazide, adipic dihydrazide and pimelic dihydrazide, in combination with a specific urea accelerator, which features good storage stability and a low curing temperature. The epoxy resin composition is especially suitable for use as bodywork adhesive.Type: GrantFiled: December 23, 2019Date of Patent: February 6, 2024Assignee: SIKA TECHNOLOGY AGInventors: Noah Munzinger, Dominique Gallo
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Patent number: 11884601Abstract: An admixture for cement based compositions, the admixture including a) an aqueous solution of polycarboxylate ether and b) at least one functionalized nanomaterial selected from carbon nanotubes functionalized by carboxyl groups and carbon nanofibers functionalized by carboxyl groups, wherein the at least one functionalized nanomaterial is dispersed in the aqueous solution. Low dosages of the admixture in cement based compositions result in significant enhancement of compressive strength.Type: GrantFiled: May 28, 2020Date of Patent: January 30, 2024Assignee: SIKA TECHNOLOGY AGInventors: Nayibe Guerrero, Kimberly Gonzàlez
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Patent number: 11884593Abstract: A mortar composition, in particular a leveling mortar composition, including: a) 3-45 wt. % of a hydraulic binder, b) 15-80 wt. % of lightweight aggregates, c) 5-50 wt. % of a polymer.Type: GrantFiled: March 23, 2020Date of Patent: January 30, 2024Assignee: SIKA TECHNOLOGY AGInventors: Luigi Perrino, Tiziano Rattighieri, Alberto Borghi, Corrado Scollo, Daniela Hesselbarth, Luz Granizo
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Publication number: 20240026209Abstract: A process for the production of backfilling pastes for underground operations, the process including or essentially consisting of the mixing of a) cement, b) tailings from underground operations, c) optionally extra water, d) at least one polycarboxylate ether, and e) calcium hydroxide; and a method for controlling the flow of a backfilling paste for underground operations, the method including at least one step of admixing an admixture including at least one polycarboxylate ether and calcium hydroxide to a mixture of cement, tailings, and water.Type: ApplicationFiled: November 30, 2021Publication date: January 25, 2024Applicant: SIKA TECHNOLOGY AGInventors: Luis PEGADO, Patrick JUILLAND, Sara ARCILA, Lukas FRUNZ, Arnd Bernd EBERHARDT, Emmanuel GALLUCCI, Fabian ERISMANN, Annette WEINKAUF
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Patent number: 11878942Abstract: A cementitious composition with accelerated curing at low temperatures particularly at temperatures <5° C., especially at temperatures <0° C. The cementitious composition consists of 2 components with a first component A including at least one ordinary Portland cement, at least one cement selected from calcium aluminate cement and/or calcium sulfoaluminate cement, a powder P, selected from the group consisting of carbonates or hydrogen carbonates of alkali and/or alkaline earth metals, optionally aggregates, optionally other additives and a second component B comprising at least one accelerator, an anti-freeze agent, water, and optionally other additives. The composition shows increased development of compressive strength, maintain good workability, and have particularly low shrinkage, also when cured at temperatures <5° C., especially <0° C., and as low as ?10° C.Type: GrantFiled: December 23, 2019Date of Patent: January 23, 2024Assignee: SIKA TECHNOLOGY AGInventors: Andrea Lucero, Mohamed Cader, Flaviane Alves Dos Santos
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Publication number: 20240017478Abstract: A polymer material in manufacture of 3D articles by means of additive manufacturing, the polymer material including: a) at least one propylene polymer P having a flexural modulus determined according to ISO 178:2019 standard of at least 150 MPa, b) at least one propylene-based elastomer PBE having a flexural modulus determined according to ISO 178:2019 standard of not more than 100 MPa, and c) at least one solid inorganic compound SC.Type: ApplicationFiled: November 16, 2021Publication date: January 18, 2024Applicant: SIKA TECHNOLOGY AGInventors: Roy Z'ROTZ, Peter HUEBSCHER, Robert ROSKAMP, Herbert ACKERMANN
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Publication number: 20240018327Abstract: A thermally expandable composition includes at least one polymer P, at least one chemical blowing agent CBA, at least one physical blowing agent PBA composed of expandable microspheres, and at least one filler F. A damping element includes a first layer composed of an expansion material and a second layer composed of an acoustic damping material. The damping element is suitable for providing vibration and/or noise damped systems.Type: ApplicationFiled: November 8, 2021Publication date: January 18, 2024Applicant: SIKA TECHNOLOGY AGInventors: Dusko PARIPOVIC, Christian HARDT, Jan SPENGLER, Jean Georges BECKER, Achim KOHL
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Publication number: 20240018047Abstract: Binders for geopolymers, which include: a) not less than 30 w % of a mixture of at least two chemically different aluminosilicates, b) not less than 20 w % of Ordinary Portland cement, and c) 8-20 w % of a mixture of calcium sulfoaluminate cement or calcium aluminate cement with a source of calcium sulfate, wherein in the mixture the weight ratio of calcium sulfate to calcium sulfoaluminate and/or calcium aluminate is between 0.08-1.5, preferably 0.3-1.1, more preferably 0.6-1.1. Also, geopolymers using such binders as well as their use in various construction methods.Type: ApplicationFiled: July 13, 2023Publication date: January 18, 2024Applicant: SIKA TECHNOLOGY AGInventors: Nikitas TSIRIGOTIS, Gary BOON, Mohamed CADER, Haripriya NEKKANTI
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Patent number: 11873421Abstract: A single-component sealant or adhesive composition, including: a) an aqueous polymer dispersion comprising water and at least one water-dispersed polymer P having a median particle size D50 of less than 150 nm, b) at least one water-dispersed or water-dissolved epoxy- or carbodiimide-functional cross-linker C, wherein the pH of the composition is adjusted in the range of 7 to 12, and wherein the at least one water-dispersed polymer P is included in the composition with an amount of at least 45 wt.-%, based on the total composition, and wherein the epoxy- or carbodiimide-functional cross-linker C is included in the composition with an amount of between 0.5 and 5 wt.-%, based on the total composition.Type: GrantFiled: March 16, 2020Date of Patent: January 16, 2024Assignee: SIKA TECHNOLOGY AGInventors: Steffen Maier, Javier Lara, Joel Kunz
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Patent number: 11873262Abstract: The present invention relates to an inorganic binder system comprising blast furnace slag, and at least one solid alkali metal silicate, wherein the inorganic binder system is obtainable by co-grinding a mixture comprising the blast furnace slag and the at least one solid alkali metal silicate.Type: GrantFiled: September 10, 2019Date of Patent: January 16, 2024Assignee: SIKA TECHNOLOGY AGInventors: Maxim Pulkin, Maria Müller, Steffen Wache