Patents Assigned to Sika Technologies AG
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Patent number: 9789661Abstract: In the case of a structural glass element with a plastic-coated glass panel and at least one assembly element attached hereon, the glass panel is coated in particular with a silicone-based elastomer across its entire surface, and the coating at the same time creates an adhesive joint with one section of the assembly element supported on the glass panel.Type: GrantFiled: February 19, 2013Date of Patent: October 17, 2017Assignee: SIKA TECHNOLOGY AGInventors: Manuel Buck, Ulli Mueller, Enrico Cutri, Florian Doebbel
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Patent number: 9790398Abstract: The present application is directed at the reaction product of an azide compound having two or more azide groups attached thereto and an alkyne compound having two or more alkyne groups attached thereto, wherein the azide and alkyne groups react in a 1,3-dipolar cyclo addition to form 1,4-disubstituted triazols and wherein the azide or alkyne compound or both include —O—(C?O)—NR— functional groups. The reaction products can be used as coatings, such as for flat roofs, sealants, adhesives and in elastomer applications. Methods for producing the reaction products as well as substrates including a coating of the reaction product are also disclosed.Type: GrantFiled: February 5, 2014Date of Patent: October 17, 2017Assignee: SIKA TECHNOLOGY AGInventors: Neil Carter, Ian Martin, Alexander Coward, Mark Gatrell, Michael Byrne, John E. Cullen, Peter Cormack
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Publication number: 20170292050Abstract: A two-component composition, containing at least one silane-group-containing polymer that is liquid at room temperature, at least one epoxide liquid resin, at least one polyetheramine, and at least one aminosilane or mercaptosilane. The composition has low odor, cures quickly and without blistering at room temperature, and, when cured, forms a tough elastic material of high strength, high adhesive force, and good thermal resistance that has no tendency toward yellowing or substrate discoloration. The composition is excellently suitable as a tough elastic adhesive for structural adhesive joints in the field of construction and in industrial production.Type: ApplicationFiled: September 25, 2015Publication date: October 12, 2017Applicant: SIKA TECHNOLOGY AGInventors: Urs BURCKHARDT, Steffen KELCH, Ursula STADELMANN
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Publication number: 20170283332Abstract: A mortar composition, in particular for preparing a viscoelastic body or structure, or for for acoustic damping of at least one of a ship, an offshore installation and a building, includes: 1-20 wt % of a hydraulic binder, 30-80 wt % of aggregates, 5-75 wt % of a polymer, and 0.5-40 wt % of a porous filler.Type: ApplicationFiled: June 16, 2017Publication date: October 5, 2017Applicant: SIKA TECHNOLOGY AGInventor: Luca GRISONI
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Patent number: 9777202Abstract: A composition includes methyl methacrylate MMA, at least one elastomer or a core-shell polymer, and at least one radical former, as an adhesive, sealant or coaling for gluing, sealing or coaling substrates containing plasticized PVC.Type: GrantFiled: April 9, 2013Date of Patent: October 3, 2017Assignee: SIKA TECHNOLOGY AGInventors: Heinz Meier, Markus Haufe, Josef Lussi, Elyes Jendoubi, Wilfried Carl
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Publication number: 20170274414Abstract: The invention relates to an application unit for an application device, in particular an application gun for applying gel-like and/or paste-like compositions, having an output unit for dispensing the compositions, a connection element, such as a cover, for connecting the output unit to the main body of the application device, and a closure element, wherein the closure element is rotatable around an axis of rotation with respect to the connection element and the output unit for fastening the output unit on the connection element and for detaching the output unit from the connection element, wherein a lifting unit is formed and arranged in such a way that the output unit is lifted by a rotation of the closure element.Type: ApplicationFiled: September 1, 2015Publication date: September 28, 2017Applicant: SIKA TECHNOLOGY AGInventors: Michael RUHSTALLER, Christian SCHULTHEISS, Manuel BUCK
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Publication number: 20170275509Abstract: A moisture-curing adhesive composition has a) at least one polyurethane polymer having isocyanate groups, b) at least a silane adhesion promoter, c) at least one amine catalyst, and d) at least one chelate complexing agent. Compositions are suitable especially as adhesive or sealant, in particular for glass panes, for example in vehicle construction or vehicle repair, wherein the use of a primer or activator can be dispensed with.Type: ApplicationFiled: September 22, 2015Publication date: September 28, 2017Applicant: SIKA TECHNOLOGY AGInventors: Alain ZAHN, Michael SCHLUMPF, Urs BURCKHARDT
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Publication number: 20170267816Abstract: The present invention relates to water-soluble modified lignins preparable by enzymatic reaction of at least one water-insoluble lignin with at least one organic compound which possesses at least one group selected from primary or secondary amino group, hydroxyl group and phenyl group and has an average molecular weight in the range from 75 to 2500 g/mol. The water-soluble modified lignins are preparable under mild conditions in a simple process. They can be used as dispersants for mineral binder compositions, where they act as plasticizers and in so doing prolong the setting time to much less of an extent than the water-insoluble lignins used in their preparation.Type: ApplicationFiled: March 15, 2017Publication date: September 21, 2017Applicants: SIKA TECHNOLOGY AG, EMPAInventors: Irene SCHOBER, Michael RICHTER, Tobias HECK, Dagmara JANKOWSKA
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Patent number: 9765177Abstract: Methods for producing a polymer with end groups of formula (I), which is free of isocyanate groups, wherein at least one hydrosilane of formula (II) is reacted with at least one polyurethane polymer containing isocyanate groups, where R1 stands for an alkyl group having 1 to 12 C atoms, R2 stands for a hydrogen atom or for an alkyl group having 1 to 12 C atoms, which optionally comprises ether oxygen or amine nitrogen, R3 stands for a linear or a branched alkylene or cycloalkylene residue having 1 to 20 C atoms, optionally with aromatic parts, and optionally with one or more heteroatoms, R4 stands for an alkyl group having 1 to 6 C atoms, R5 stands for an alkyl group having 1 to 10 C atoms, which optionally comprises one or more ether oxygens, n stands for 2 or 3 or 4, and x stands for 0 or 1.Type: GrantFiled: May 22, 2013Date of Patent: September 19, 2017Assignee: SIKA TECHNOLOGY AGInventors: Andreas Kramer, Urs Burckhardt
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Patent number: 9758608Abstract: The invention relates to the use of at least one comb polymer which includes side chains which have at least one cationic group, and does not include side chains having polyether groups, and which has a main chain which has carboxyl groups, as dispersant for hydraulically settable compositions. The invention also relates to hydraulically settable cement compositions, moldings, comb polymers and method for producing comb polymers.Type: GrantFiled: October 23, 2013Date of Patent: September 12, 2017Assignee: SIKA TECHNOLOGY AGInventors: Christina Hampel, Jörg Zimmermann, Jabbar Alshemari, Markus Friederich
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Publication number: 20170253772Abstract: The invention relates to a separating film based on polyolefins or ethylene copolymers with a content of organic and optionally inorganic pigment and at least one UV stabilizer. The separating film has a transmission percentage between 5 and 20% in the range from 400 to 700 nm and a transmission percentage of <2% in the range from 300 to 500 nm. Such separating films have the advantage that marking regions applied onto membranes which can be found below the separating film remain detectable, and adhesives which can be found below the separating film are effectively protected from UV light and premature aging by the addition of inorganic and organic pigments and UV stabilizers. The invention further relates to composite structures of corresponding separating films and adhesives, to water-tight membranes with coatings made of adhesive and separating films, and to uses of corresponding membranes for sealing structures against water.Type: ApplicationFiled: August 24, 2015Publication date: September 7, 2017Applicant: SIKA TECHNOLOGY AGInventor: Peter HÜBSCHER
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Patent number: 9751900Abstract: Special hydroxysilanes, which can be obtained by reacting ?-(3,4-epoxycyclohexyl)alkyltrialkoxysilanes with secondary amines, and adducts of the hydroxysilanes in the form of polymers containing silane groups. The hydroxysilanes can be produced having high purity in a simple process and are very stable in storage after production. The polymers containing silane groups that can be obtained by means of the hydroxysilanes have advantageous properties. The polymers enable moisture-curing compositions, which contain no isocyanate groups and which are suitable as elastic adhesives and sealants.Type: GrantFiled: May 21, 2014Date of Patent: September 5, 2017Assignee: SIKA TECHNOLOGY AGInventors: Andreas Kramer, Urs Burckhardt, Ursula Stadelmann
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Patent number: 9752054Abstract: The present invention describes a one-part moisture-curing liquid-applied waterproofing membrane including a polyurethane polymer and both a trialdimine and a dialdimine as blocked amine hardeners in a specific ratio range. The membrane has a low odor, a long shelf life stability, a low viscosity at low solvent content, a sufficiently long open time to allow hand application and cures fast to a solid elastic material. The liquid-applied waterproofing membrane can be suitable for roofing applications, possessing high strength, high elongation and good durability under outdoor weathering conditions in a broad temperature range.Type: GrantFiled: January 21, 2014Date of Patent: September 5, 2017Assignee: SIKA TECHNOLOGY AGInventors: Michael Byrne, Mark Gatrell, Alexander Coward, Urs Burckhardt
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Patent number: 9744701Abstract: A baffle or reinforcer includes a carrier configured to be disposed in a cavity and a fixation mechanism disposed on the carrier and configured to at least partially support the carrier in the cavity. The fixation mechanism defines an opening for receiving an expandable material. The fixation mechanism has an anti-return device configured to prevent at least a portion of the expandable material from escaping through the opening during expansion. A method includes inserting the carrier into the cavity, injecting the expandable material into the cavity via the opening in the fixation mechanism, expanding the expandable material within the cavity, and preventing at least a portion of the expandable material from escaping through the opening during expansion.Type: GrantFiled: February 3, 2011Date of Patent: August 29, 2017Assignee: SIKA TECHNOLOGY AGInventors: Vincent Belpaire, Jean Mendibour
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Publication number: 20170240687Abstract: What is described is a polymer which is a polyurethane polymer having blocked isocyanate groups or a reaction product of said polyurethane polymer with at least one epoxy resin, where the polyurethane polymer having blocked isocyanate groups is an addition product formed from at least one polyisocyanate and at least one polyester polyol, wherein the isocyanate groups of the addition product have been blocked by reaction with at least one aromatic compound having at least one hydroxyl group. Such a polymer is suitable as an impact modifier in epoxy resin compositions, especially when they are used as adhesives or structural foams. The polymer improves the corrosion resistance and vertical expansion of the epoxy resin composition.Type: ApplicationFiled: October 13, 2015Publication date: August 24, 2017Applicant: SIKA TECHNOLOGY AGInventors: Karsten FRICK, Ulrich GERBER, Jürgen FINTER
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Publication number: 20170240772Abstract: The present invention relates to an adhesive system, comprising an adhesion promoter composition, containing at least one mercaptosilane, at least one polysilane, at least one transition metal complex comprising substantially only monodentate ligands, and at least one nonalcoholic solvent, and an adhesive, wherein the adhesive, within an hour after application and storage at 23° C. and 50% relative air humidity, has a tensile shear strength of at least 3 MPa, as measured according to ISO 4587, and/or, within an hour after application and storage at 23° C. and 50% relative air humidity, has at least 50%, preferably at least 60%, of the tensile shear strength achievable after application and storage for 7 days at 23° C. and 50% relative air humidity, as measured according to ISO 4587. The adhesive system according to the invention is suited, for example, for bonding glass panes in transport means and also builds up strength very quickly at low temperatures.Type: ApplicationFiled: October 20, 2015Publication date: August 24, 2017Applicant: SIKA TECHNOLOGY AGInventors: Reto DOHNER, Dana MAIWALD, Stefan EGLI
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Publication number: 20170240686Abstract: The invention relates to compositions comprising at least one first and one second component; —the first component K1 comprising at least one di(aminobenzoate) ester A1 of formula (I) with an average molecular weight of 500 g/mol to 2000 g/mol, preferably 600 g/mol to 1500 g/mol and particularly preferred between 650 g/mol and 1300 g/mol, G being a divalent group derived from poly(tetramethylene oxide) diol, and —the second component K2 comprising at least one aromatic polyisocyanate B1 with an average molecular weight of 160 g/mol to 1100 g/mol, preferably 500 g/mol to 800 g/mol.Type: ApplicationFiled: October 13, 2015Publication date: August 24, 2017Applicant: SIKA TECHNOLOGY AGInventors: Steffen MAIER, Dominik HUBER, Steffen KELCH
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Publication number: 20170240689Abstract: A polymer preparation consisting of silane-functional polymers, including at least one polymer having at least one terminal group of formula (I) and at least one further silane terminal group, a method for producing the polymer preparation and a composition containing it. The polymer preparation has a surprisingly low viscosity, cross-links surprisingly quickly even without the use of EHS-critical catalysts such as organotin compounds or DBU, and hardens into a non-sticky material with good strength and elasticity. It is especially well suited as an elastic adhesive or sealant or as an elastic coating. The invention further relates to a method for lowering the viscosity of a polymer having at least one terminal group of formula (I) by introducing at least one further silane terminal group.Type: ApplicationFiled: November 23, 2015Publication date: August 24, 2017Applicant: SIKA TECHNOLOGY AGInventors: Andreas KRAMER, Urs BURCKHARDT
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Publication number: 20170239683Abstract: An application device for materials, in particular adhesives, including at least one cartridge receiving device for receiving a replaceable cartridge which contains a material and has a material outlet opening; a rotary device for metering or mixing the material, rotary device having a first engagement element; a drive device for driving the rotary device, the drive device having a rod which is mounted in a rotatable and axially movable manner and has a second engagement element at the end face; and a gearing unit for driving the rod in order to bring the first and the second engagement element into engagement with each other.Type: ApplicationFiled: September 18, 2015Publication date: August 24, 2017Applicant: SIKA TECHNOLOGY AGInventors: Christian SCHULTHEISS, Pascal TANNER
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Publication number: 20170240688Abstract: A composition containing two different silane-functional polymers, only one of the two polymers having terminal groups of formula (I). The composition has a surprisingly rapid skin forming time and low viscosity, crosslinks quickly even without the use of EHS-critical catalysts such as organotin compounds or DBU, and cures to a non-sticky material with good strength and elasticity. Also relates to a method for accelerating the curing of a silane-crosslinking composition by adding to it a further silane-functional polymer having terminal groups of formula (I).Type: ApplicationFiled: November 23, 2015Publication date: August 24, 2017Applicant: SIKA TECHNOLOGY AGInventors: Andreas KRAMER, Urs BURCKHARDT