Patents by Inventor Karsten Frick
Karsten Frick has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11591503Abstract: 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: GrantFiled: January 25, 2019Date of Patent: February 28, 2023Assignee: SIKA TECHNOLOGY AGInventors: Karsten Frick, Alina Keller
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Publication number: 20220228033Abstract: An adhesive article including an expandable layer composed of a shape memory polymer composition including a first curable adhesive and at least one thermoplastic elastomer and a first adhesive layer covering at least a portion of the first major surface of the expandable layer, wherein the shape memory polymer composition is in a temporary deformed shape. Further, a method for producing an adhesive article, to a method for bonding two substrates to each other, and to a two-part bonded assembly including a first substrate and a second substrate and adhesive article between the substrates.Type: ApplicationFiled: July 23, 2020Publication date: July 21, 2022Applicant: SIKA TECHNOLOGY AGInventors: Karsten FRICK, Silvia SCHUMACHER, Sascha PASULA
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Patent number: 11365310Abstract: A thermally expandable composition includes at least one polymer P cross-linkable by peroxide, and at least one acrylate, and at least one peroxide, azodicarbonamide and a zinc compound. The thermally expandable composition leads to low odor formation and low ammonia emission during and after the foaming process. The thermally expandable composition further shows excellent properties in terms of expansion stability.Type: GrantFiled: December 20, 2018Date of Patent: June 21, 2022Assignee: SIKA TECHNOLOGY AGInventors: Karsten Frick, Sascha Pasula, Alina Keller, Leslie Wolschleger, Elizabeth Farhat
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Patent number: 11198754Abstract: Heat-curing epoxy resin compositions are characterized by high impact strength, good storage stability, and a low curing temperature. The epoxy resin compositions are suitable for use as a construction shell adhesive and for producing structural foams. They can already be cured in so-called bottom-baking conditions. Furthermore, it has been found that the use of an accelerator of the formula (Ia) or (Ib) results in an increase of the impact strength of heat-curing epoxy resin compositions.Type: GrantFiled: September 7, 2018Date of Patent: December 14, 2021Assignee: SIKA TECHNOLOGY AGInventors: Andreas Kramer, Jürgen Finter, Karsten Frick, Urs Rheinegger, Jan Olaf Schulenburg
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Publication number: 20210061981Abstract: A thermally expandable composition includes at least one polymer P cross-linkable by peroxide, and at least one acrylate, and at least one peroxide, azodicarbonamide and a zinc compound. The thermally expandable composition leads to low odor formation and low ammonia emission during and after the foaming process. The thermally expandable composition further shows excellent properties in terms of expansion stability.Type: ApplicationFiled: December 20, 2018Publication date: March 4, 2021Applicant: SIKA TECHNOLOGY AGInventors: Karsten FRICK, Sascha PASULA, Alina KELLER, Leslie WOLSCHLEGER, Elizabeth FARHAT
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Publication number: 20200385615Abstract: 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: ApplicationFiled: January 25, 2019Publication date: December 10, 2020Applicant: SIKA TECHNOLOGY AGInventors: Karsten FRICK, Alina KELLER
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Patent number: 10752746Abstract: Disclosed is a thermally expandable composition, comprising at least one polymer P, cross-linkable by peroxide, and between 1 wt.-% and 2.5 wt.-%, based on the total weight of the composition, of at least one acrylate A, and between 0.2 wt.-% and 2.5 wt.-%, based on the total weight of the composition, of at least one peroxide, and at least one blowing agent, characterised in that the equivalent ratio of said peroxide to said acrylate A is between 0.01 and 0.5, preferably between 0.13 and 0.41, and the weight ratio of said peroxide to said acrylate A is lower than 0.33 and said polymer P comprises or essentially consists of at least two polymers PI and P2, wherein PI exhibits a melt flow index (MFI) of between 100 and 200 g/10 min, and P2 exhibits a melt flow index of between 0.1 and 60 g/10 min, wherein MFI is determined by ASTM D1238.Type: GrantFiled: July 9, 2015Date of Patent: August 25, 2020Assignee: SIKA TECHNOLOGY AGInventors: Karsten Frick, Dusko Paripovic, Engin Cil, Leslie Michele Wolschleger, Jena Mabilia
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Patent number: 10273326Abstract: 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: GrantFiled: October 13, 2015Date of Patent: April 30, 2019Assignee: SIKA TECHNOLOGY AGInventors: Karsten Frick, Ulrich Gerber, Jürgen Finter
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Publication number: 20190031853Abstract: A thermally expandable composition, including at least one polymer P, cross-linkable by peroxide, at least one peroxide, preferably at least one acrylate, at least one blowing agent B, preferably at least one activator for the blowing agent, and at least one epoxide group terminated polymer of the formula (I), wherein Y represents a n-valent radical of a linear or branched polyurethane polymer terminated with isocyanate groups after the removal of the n terminal isocyanate groups, Z represents a (1+m)-valent radical of an aliphatic, cycloaliphatic, aromatic or araliphatic epoxide containing a primary or secondary hydroxyl group after the removal of the hydroxyl group and m epoxide groups, m represents an integer with a value of 1, 2, or 3, and n represents an integer with a value from 2 to 4.Type: ApplicationFiled: February 8, 2017Publication date: January 31, 2019Applicant: SIKA TECHNOLOGY AGInventors: Karsten FRICK, Christian KRÜGER, Engin CIL
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Publication number: 20190002626Abstract: Heat-curing epoxy resin compositions are characterized by high impact strength, good storage stability, and a low curing temperature. The epoxy resin compositions are suitable for use as a construction shell adhesive and for producing structural foams. They can already be cured in so-called bottom-baking conditions. Furthermore, it has been found that the use of an accelerator of the formula (Ia) or (Ib) results in an increase of the impact strength of heat-curing epoxy resin compositions.Type: ApplicationFiled: September 7, 2018Publication date: January 3, 2019Applicant: SIKA TECHNOLOGY AGInventors: Andreas KRAMER, Jürgen FINTER, Karsten FRICK, Urs RHEINEGGER, Jan Olaf SCHULENBURG
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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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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: 20170204238Abstract: Disclosed is a thermally expandable composition, comprising at least one polymer P, cross-linkable by peroxide, and between 1 wt.-% and 2.5 wt.-%, based on the total weight of the composition, of at least one acrylate A, and between 0.2 wt.-% and 2.5 wt.-%, based on the total weight of the composition, of at least one peroxide, and at least one blowing agent, characterised in that the equivalent ratio of said peroxide to said acrylate A is between 0.01 and 0.5, preferably between 0.13 and 0.41, and the weight ratio of said peroxide to said acrylate A is lower than 0.33 and said polymer P comprises or essentially consists of at least two polymers PI and P2, wherein PI exhibits a melt flow index (MFI) of between 100 and 200 g/10 min, and P2 exhibits a melt flow index of between 0.1 and 60 g/10 min, wherein MFI is determined by ASTM D1238.Type: ApplicationFiled: July 9, 2015Publication date: July 20, 2017Inventors: Karsten FRICK, Dusko PARIPOVIC, Engin CIL, Leslie Michele WOLSCHLEGER, Jena MABILIA
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Patent number: 9296931Abstract: The disclosure relates to the field of two-component epoxy resin compositions and to the use thereof as a repair adhesive, in particular in vehicle manufacturing. The two-component epoxy resin compositions according to the disclosure contain a curing component K2, which comprises between 1 and 10 wt. % of an amino group-terminated polyamide B, together with an epoxy resin component K1. The compositions show that the impact resistance is highly increased while an acceptable sheer strength is simultaneously retained.Type: GrantFiled: August 31, 2012Date of Patent: March 29, 2016Assignee: SIKA TECHNOLOGY AGInventors: Karsten Frick, Jürgen Finter, Andreas Kramer, Ulrich Gerber
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Patent number: 9212251Abstract: The present disclosure relates to impact strength modifiers, the derivative products thereof, and the use thereof in producing two-component epoxy resin compositions. The disclosure in particular relates to amino group terminated impact strength modifiers prepared by reacting a polyurethane prepolymer having isocyanate groups, a primary diamine, and optionally at least one Michael acceptor. The two-component epoxy resin compositions thus formulated are characterized by a great increase in impact strength while retaining an acceptable tensile shear strength. The impact strength modifiers according to the disclosure and the epoxy resin compositions comprising same are in particular suitable for vehicle manufacturing.Type: GrantFiled: September 4, 2012Date of Patent: December 15, 2015Assignee: SIKA TECHNOLOGY AGInventors: Karsten Frick, Jürgen Finter, Andreas Kramer, Ulrich Gerber
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Publication number: 20150252165Abstract: The present invention relates to expandable compositions in the form of granular materials that are based on epoxy resins with a content of binders and curing agents for curing the epoxy resin. Corresponding compositions can be readily introduced into hollow bodies, for example, into sticks or roof supports and expanded to a foam by heating the composition and cured. This results in hollow bodies filled with foam that are distinguished by significantly improved mechanical properties compared to comparable hollow bodies without a foam filling. At the same time, the granular materials according to the invention can be very readily processed without a complex and expensive two-component injection-molding process being necessary.Type: ApplicationFiled: November 6, 2013Publication date: September 10, 2015Applicant: SIKA TECHNOLOGY AGInventors: Karsten Frick, Nicolae Bordeanu, Frank Hoefflin
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Patent number: 8859695Abstract: A hem-curing epoxy resin composition, that includes an epoxy resin A having more than one epoxy group per molecule on average; a curing agent B for epoxy resins, which is activated at a temperature in a range of 100° C. to 220° C.; and an activator C for epoxy resin compositions, wherein activator C is a compound of formula (I), or is a reaction product between a compound of formula (Ia) and an isocyanate or an epoxide.Type: GrantFiled: May 29, 2013Date of Patent: October 14, 2014Assignee: Sika Technology AGInventors: Karsten Frick, Ulrich Gerber, Juergen Finter, Andreas Kramer
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Patent number: 8829122Abstract: Novel impact strength modifiers which are obtained by reaction of amphiphilic block copolymers. These impact strength modifiers are suitable in particular for use in heat-curing epoxy resin adhesives. In particular, combinations of different impact strength modifiers are also suitable for use in heat-curing epoxy resin adhesives. Also disclosed are methods of bonding heat-stable substrates.Type: GrantFiled: April 16, 2009Date of Patent: September 9, 2014Assignee: Sika Technology AGInventors: Andreas Kramer, Jurgen Finter, Karsten Frick, Jan Olaf Schulenburg
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Patent number: 8608899Abstract: A heat-curing epoxy resin composition that includes an epoxy resin, a curing agent, an accelerator, and an optional toughener. The epoxy resin compositions are suitable in particular for use as bodyshell adhesives and for preparation of structural foams. An accelerator of formula (I) results in increased impact strength the of heat-curing epoxy resin compositions.Type: GrantFiled: May 28, 2009Date of Patent: December 17, 2013Assignee: Sika Technology AGInventors: Andreas Kramer, Karsten Frick
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Publication number: 20130253094Abstract: A hem-curing epoxy resin composition, that includes an epoxy resin A having more than one epoxy group per molecule on average; a curing agent B for epoxy resins, which is activated at a temperature in a range of 100° C. to 220° C.; and an activator C for epoxy resin compositions, wherein activator C is a compound of formula (I), or is a reaction product between a compound of formula (Ia) and an isocyanate or an epoxide.Type: ApplicationFiled: May 29, 2013Publication date: September 26, 2013Applicant: SIKA TECHNOLOGY AGInventors: Karsten FRICK, Ulrich GERBER, Juergen FINTER, Andreas KRAMER