Patents Assigned to Sika Technologies AG
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Publication number: 20170355171Abstract: A baffle or reinforcement element for sealing and/or reinforcing a cavity, in particular a cavity of a vehicle, comprising: a carrier plate with a first plate surface and a second plate surface, and at least a first and a second expandable element, in particular expandable foam element, supported by the carrier plate, wherein the first expandable element covers, at least substantially, the entire first plate surface and forms a first outer surface of the baffle or reinforcement element and the second expandable element covers, at least substantially, the entire second plate surface thereby forming a second outer surface of the baffle element.Type: ApplicationFiled: June 9, 2017Publication date: December 14, 2017Applicant: SIKA TECHNOLOGY AGInventors: Daniel AUGUSTIN, Simon GRUBER, Stefan MIESLINGER, Vincent BELPAIRE, Mike FASSE
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Patent number: 9834478Abstract: A solidification and setting accelerator for hydraulic binders, in particular for shotcrete/gunite or sprayed mortar, comprises sulfate, aluminum and at least two chemically distinct organic acids, each of which contains at least one hydroxy group in addition to at least one acid group, the combined maximum content of the at least two organic acids being 1 wt % in relation to the total weight of the accelerator.Type: GrantFiled: May 12, 2015Date of Patent: December 5, 2017Assignee: SIKA TECHNOLOGY AGInventor: Christian Stenger
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Patent number: 9834639Abstract: The present invention relates to a curing agent for moisture-curing compositions which includes at least one aqueous emulsion of at least one epoxy resin. Curing agents according to the invention are especially used for the accelerated curing of moisture-curing compositions which are based on polyurethane polymers that have isocyanate groups or of silane-functional polymers.Type: GrantFiled: August 24, 2012Date of Patent: December 5, 2017Assignee: SIKA TECHNOLOGY AGInventors: Urs Burckhardt, Steffen Kelch, Ulrich Wolf
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Patent number: 9827585Abstract: A stick applicator for applying a liquid stored in a hard ampoule, comprising a hollow plastic stick body, designed for receiving the ampoule and having a closed end and an open end, the wall of which is sufficiently flexible to allow the ampoule held in the plastic stick body to be broken without using an implement and thereby let the liquid out into the interior of the plastic stick body, and comprising an applicator head, which is fitted on the open end of the plastic stick body and comprises a foam, felt or fibre body, wherein the plastic stick body has at least in certain portions a separate sheathing layer to increase its perforation resistance to ampoule fragments and near its open end retaining means for securely holding the applicator head and/or retaining means for securely holding the ampoule inside it.Type: GrantFiled: August 30, 2012Date of Patent: November 28, 2017Assignee: SIKA TECHNOLOGY AGInventors: Janine Bintig, Edmund Bonna
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Patent number: 9822289Abstract: The invention relates to a polyurethane composition comprising one first component and one second component, said first component comprising an alkoxylated aromatic diol, a low molecular aliphatic or cycloaliphatic diol, a specific polybutadiene polyol and a specific polyetherpolyol, in specific ratios. The hardened composition is characterized by having good adhesion characteristics, a resistance which is only slightly dependent on the temperature, in the temperature range of ?35 to +85° C. and also very high resistances. It is particularly suitable as a structural adhesive for bonding two substrates.Type: GrantFiled: May 14, 2014Date of Patent: November 21, 2017Assignee: SIKA TECHNOLOGY AGInventors: Wolfgang Roock, Steffen Kelch, Andrea Thomas
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Patent number: 9822279Abstract: The invention relates to a two-component composition, including a component A, which includes at least one silane-functional polymer and at least one hardener or accelerator for epoxy resins, and a component B, which includes at least one aqueous emulsion of at least one epoxy resin. Two-component compositions according to the invention are suitable as adhesives, sealants or coatings.Type: GrantFiled: August 24, 2012Date of Patent: November 21, 2017Assignee: SIKA TECHNOLOGY AGInventors: Urs Burckhardt, Fabien Choffat, Daniele Rutz, Steffen Kelch, Ulrich Wolf
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Publication number: 20170327299Abstract: The disclosure relates to an assembly for pressing a pasty or fluid substance out of a film bag of a substantially cylindrical basic form. The film bag is or can be accommodated in a cylindrical receptacle having a circular inner cross-section A. The film bag inserted into the cylindrical receptacle is supported at a proximal end of the cylindrical receptacle against a closing cap that closes off the cylindrical receptacle at an end of the cylindrical receptacle. Coupling devices are provided on the cylindrical receptacle and/or the closing cap, which coupling devices ensure that the inner cross-section A of the cylindrical receptacle overlaps with an inner cross-section B of the closing cap within a tolerance relative to the wall thickness W of the closing cap on the distal side of the closing cap facing the cylindrical receptacle.Type: ApplicationFiled: September 18, 2015Publication date: November 16, 2017Applicant: SIKA TECHNOLOGY AGInventor: Manuel BUCK
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Publication number: 20170320997Abstract: A polymer containing silane groups, a method for synthesizing same, and curable compositions including the polymer. The polymer containing silane groups has a very long shelf life and cures quickly with moisture. The polymer is suitable as an elastic adhesive or sealant or coating that can be applied at room temperature and has good heat resistance, or as a hot melt adhesive.Type: ApplicationFiled: November 23, 2015Publication date: November 9, 2017Applicant: SIKA TECHNOLOGY AGInventors: Andreas KRAMER, Urs BURCKHARDT
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Publication number: 20170320775Abstract: A method for producing aggregates from non-hardened cement compositions, in particular from concrete or residual concrete, which method includes adding a) a water-absorbing agent and b) a crystallization deactivator to a non-hardened cement composition and mixing until a granular material has formed. The method allows unneeded residues of still liquid concrete to be converted into a practical product, which can then be reused to produce new concrete compositions. The invention further relates to a granulated cement material that can be obtained according to a corresponding method, to the use of the granulated cement material as an additive for cement compositions, and to additive combinations for cement compositions, which additive combinations include a water-absorbing agent and a crystallization activator.Type: ApplicationFiled: November 3, 2015Publication date: November 9, 2017Applicant: SIKA TECHNOLOGY AGInventors: Christoph KURZ, Christian BÜRGE, Franz WOMBACHER
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Patent number: 9809732Abstract: The invention concerns a two-component polyurethane composition including a polyol component K1 and a polyisocyanate component K2, the polyol component K1 including castor oil A1 and 1,2,3-propane triol A2, and the polyisocyanate component K2 including at least one aromatic polyisocyanate B1, the ratio in weight percent of (A1/A2) being between 4 and 50 and the ratio of all NCO groups of the aromatic polyisocyanates B1 to all the OH groups totaling (A1+A2)=1.15:1-85:1, and the total of all the OH groups of (A1+A2) being >93% of the total of all the OH groups of the two-component polyurethane composition, characterized by controllable hydrolytic degradability.Type: GrantFiled: September 6, 2013Date of Patent: November 7, 2017Assignee: SIKA TECHNOLOGY AGInventor: Steffen Kelch
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Publication number: 20170304865Abstract: The disclosure relates to an application device for multi-component substances, in particular multi-component adhesives or multi-component sealants, including: at least two cartridge receiving devices for receiving replaceable cartridges with substance components that are to be mixed; a discharging device for discharging the substance components from the cartridges; a mixing device for mixing the substance components, wherein the mixing device includes a rotary mixer which is driven via a drive shaft, the drive shaft having at least one flexible portion with a first end and a second end.Type: ApplicationFiled: September 18, 2015Publication date: October 26, 2017Applicant: SIKA TECHNOLOGY AGInventor: Pascal TANNER
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Publication number: 20170306138Abstract: A plasticized PVC formulation for foam extrusion including polyvinyl chloride, at least one plasticizer, at least one nucleating agent and a chemical blowing agent, wherein the plasticized PVC formulation is a dry blend containing 0.5 to 5% by weight of one or more nucleating agents and 0.1 to 3% by weight of the chemical blowing agent, wherein the blowing agent is sodium bicarbonate and the nucleating agent is talcum, and a foam extrusion method using said formulation. The extruded plasticized PVC foam is particularly suitable for rock shield pads used for pipeline protection. The foams are lightweight and require less consumption of materials with comparable properties to corresponding solid articles.Type: ApplicationFiled: September 24, 2015Publication date: October 26, 2017Applicant: SIKA TECHNOLOGY AGInventors: Frank HOEFFLIN, Herbert ACKERMANN, Andreas BRUNNER
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Patent number: 9796806Abstract: The invention relates to dioxomolybdenum (VI) complex compounds of the formula MoO2(L)x(Y)2-x, where the ligand L has the formula (I). Such complex compounds are suitable in particular as catalysts for one- and two-component polyurethane compositions. The invention also relates to two-component polyurethane compositions including at least one polyisocyanate as the first component, at least one polyol as the second component, and at least one such dioxomolybdenum (VI) complex compound as the catalyst. The invention further relates to one-component polyurethane compositions comprising at least one polyurethane prepolymer with isocyanate groups, which are made from at least one polyisocyanate with at least one polyol, and comprising such a dioxomolybdenum (VI) complex compound as the catalyst. The invention additionally relates to different uses of said polyurethane compositions.Type: GrantFiled: July 20, 2016Date of Patent: October 24, 2017Assignee: SIKA TECHNOLOGY AGInventors: Urs Burckhardt, Rita Cannas
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Patent number: 9796809Abstract: The present invention relates to a butadiene/acrylonitrile copolymer CTBN, modified by epoxy solid resin and terminated by carboxyl groups, the terminal epoxy groups thereof also having optionally been reacted. A polymer of this type is used in particular as an impact strength improving agent in epoxy resin compositions and has proven to be particularly advantageous for gluing on or of metal surfaces. It results in a significant reduction of the infiltration with corrosion, which in turn ensures a long-lived adhesive bond.Type: GrantFiled: November 21, 2008Date of Patent: October 24, 2017Assignee: SIKA TECHNOLOGY AGInventors: Karsten Frick, Jurgen Finter, Ulrich Gerber, Yves Meier, Jeannette Clifford
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Patent number: 9796661Abstract: The present invention relates to an amine of the formula (I) which is an adduct of 1,2-propylenediamine with an aryl monoglycidyl ether, to the use thereof as part of a hardener for epoxy resins, and to epoxy resin compositions obtained therewith. The amine of the formula (I) is preparable in a simple process in high purity, is of very low viscosity and is especially suitable for the curing of epoxy resins. It allows low-emission epoxy resin compositions which have good workability and which cure even under cold and damp conditions, quickly and without blushing effects, to form very hard products of high surface quality that display virtually no yellowing on exposure to light.Type: GrantFiled: January 26, 2015Date of Patent: October 24, 2017Assignee: SIKA TECHNOLOGY AGInventors: Edis Kasemi, Andreas Kramer, Ursula Stadelmann, Urs Burckhardt
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Patent number: 9796118Abstract: Disclosed are various embodiments of an extruded expandable barrier, and various processes and systems for manufacturing the same. Using various extrusion processes to form an extruded expandable barrier allows for a reduction in tooling costs while also allowing more flexible barrier designs. Such designs can be specifically tailored for a particular cavity or cavities to ensure that the barrier fills the cavity after expansion. In addition, design changes can occur with little to no tooling changes.Type: GrantFiled: January 16, 2009Date of Patent: October 24, 2017Assignee: SIKA TECHNOLOGY AGInventors: Larry J. LaNore, Nicolo Amico
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Publication number: 20170297318Abstract: A sealing membrane including: a) a thermoplastic polyolefin membrane and b) a barrier film including b1) a barrier layer including at least one polymer selected from ethylene-vinyl alcohol copolymer, polyamide or polyester and b2) an outer layer, wherein the barrier film is laminated over the full surface area or over part of the surface area onto the polyolefin membrane, and so the outer layer is connected directly to the polyolefin membrane, and the outer layer and the polyolefin membrane are both ethylene-based or the outer layer and the polyolefin membrane are both propylene-based. The sealing membrane can be produced at low cost and has a stable interconnecting bond. It is suitable in particular for sealing in building construction or civil engineering work.Type: ApplicationFiled: September 24, 2015Publication date: October 19, 2017Applicant: SIKA TECHNOLOGY AGInventors: Stefan KEISER, Yannic PIRONATO
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Publication number: 20170297049Abstract: The disclosure relates to an adapter piece for an application device for multicomponent materials, including multicomponent adhesives or multicomponent sealants. The application device has at least one first cartridge receiving device for receiving a first replaceable cartridge containing a first material component, at least one second cartridge receiving device for receiving a second replaceable cartridge containing a second material component, at least one discharging device for discharging the material components out of the cartridges through cartridge outlets, and at least one mixing device for mixing and discharging the material components. A second cartridge receiving area includes a relief chamber such that a material component exiting the second cartridge first fills the relief chamber before entering the mixing device.Type: ApplicationFiled: September 18, 2015Publication date: October 19, 2017Applicant: SIKA TECHNOLOGY AGInventors: Manuel BUCK, Andreas HUFSCHMID
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Patent number: 9790315Abstract: The invention relates to polymers containing silane groups, to a method for their production and to their use as a component of curable compositions, in particular of moisture-curing sealants, adhesives or coatings that can be applied at ambient temperature, or of hot-melt adhesives containing silane groups. The polymers containing silane groups are obtained in particular by means of a special hydroxysilane which can be produced in particular from the reaction of lactides with aminosilanes.Type: GrantFiled: July 24, 2014Date of Patent: October 17, 2017Assignee: SIKA TECHNOLOGY AGInventors: Andreas Kramer, Urs Burckhardt, Ursula Stadelmann
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Patent number: 9790319Abstract: The present invention relates to curing agents for epoxy resins, containing at least one adduct of trimethylhexamethylenediamine and cresyl glycidyl ether. The curing agent has a low viscosity and cures quickly together with epoxy resins even in moist, cold conditions and without blushing to form films with a high hardness and surface quality, which scarcely undergo yellowing upon exposure to light. It is particularly suited for low-emission room temperature-curing coatings.Type: GrantFiled: December 20, 2013Date of Patent: October 17, 2017Assignee: SIKA TECHNOLOGY AGInventors: Edis Kasemi, Andreas Kramer, Ursula Stadelmann, Urs Burckhardt
