# US 7,410,694 B2 · Adhesive > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,410,694 B2 - Document ID: US7410694B2 - Status: Granted - Kind: B2 - Application number: 11/103,285 - Filed: 2005-04-11 - Published: 2006-10-12 - Granted: 2008-08-12 - Earliest claimed: 2005-04-11 - Assignees: Tesa SE - Inventors: Marc Husemann; Stephan Zollner - Web page: https://patentgrep.com/patent/US7410694B2 ## CPC - C09J 4/00: Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond {; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16} - C09J 133/14: of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen - C08L 63/00: Compositions of epoxy resins; Compositions of derivatives of epoxy resins - C08L 2666/02: Organic macromolecular compounds, natural resins, waxes or and bituminous materials - Y10S 526/931: Pressure sensitive adhesive - Y10S 526/935: Hot melt adhesive - Y10T 428/287: including epoxy group or epoxy polymer - Y10T 428/2891: including addition polymer from alpha-beta unsaturated carboxylic acid [e.g., acrylic acid, methacrylic acid, etc.] Or derivative thereof - C09J: ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES (preparation of glue or gelatine C09H) - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) - Y10S: TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract The invention relates to an adhesive. Provision is made for the adhesive to comprise (a) 50 to 95% by weight of a heat-activable or pressure-sensitively adhesive polymer formed from a comonomer mixture comprising, based on the polymer, (a1) 40 to 95% by weight of acrylic and/or methacrylic esters of the formula CH2═CH(R1)(COOR2), where R1 is H and/or CH3 and R2 is H and/or alkyl chains having 1 to 30 carbon atoms; (a2) 5 to 30% by weight of a first copolymerizable vinyl monomer containing at least one carboxylic and/or sulphonic and/or phosphonic acid group; (a3) 1 to 10% by weight of a second copolymerizable vinyl monomer containing at least one epoxy group or one acid anhydride function; and (a4) 0 to 20% by weight of a third copolymerizable vinyl monomer containing at least one functional group which differs from the functional group of the first copolymerizable vinyl monomer and from the functional group of the second copolymerizable vinyl monomer; and also (b) 5 to 50% by weight of an epoxy resin or a mixture of two or more epoxy resins. ## Claims ### Claim 1 Adhesive comprising, based on the adhesive, (a) 50 to 95% by weight of a heat-activable or pressure-sensitively adhesive polymer formed from a comonomer mixture consisting essentially of, based on the polymer, (a1) 40 to 94% by weight of acrylic and/or methacrylic esters of the formula CH2═CH(R1)(COOR2), where R1 is H or CH3 and R2 is H or alkyl chains having 1 to 30 carbon atoms; (a2) 5 to 30% by weight of a first copolymerizable vinyl monomer containing at least one carboxylic and/or sulphonic and/or phosphonic acid group; (a3) 1 to 10% by weight of a second copolymerizable vinyl monomer containing at least one epoxy group or one acid anhydride function; and (a4) 0 to 20% by weight of a third copolymerizable vinyl monomer containing at least one functional group which differs from the functional group of the first copolymerizable vinyl monomer and from the functional group of the second copolymerizable vinyl monomer; and also (b) 5 to 50% by weight of an epoxy resin or a mixture of two or more epoxy resins. ### Claim 2 (depends on 1) Adhesive according to claim 1, wherein component (a1) is an acrylic or methacrylic ester with an alkyl group containing 4 to 9 carbon atoms. ### Claim 3 (depends on 1) Adhesive according to claim 1 wherein component (a1) is selected from the group consisting of n-butyl acrylate, n-pentyl acrylate, n-hexyl acrylate, n-heptyl acrylate, n-octyl acrylate, n-nonyl acrylate, lauryl acrylate, stearyl acrylate and behenyl acrylate. ### Claim 4 (depends on 1) Adhesive according to claim 1, wherein the component (a2) is selected from the group consisting of itaconic acid, acrylic acid, methacrylic acid, vinylacetic acid, fumaric acid, crotonic acid, aconitic acid, dimethylacrylic acid, β-acryloyloxypropionic acid, trichioroacrylic acid, vinyiphosphonic acid and vinylsuiphonic acid. ### Claim 5 (depends on 1) Adhesive according to claim 1, wherein component (a3) is selected from the group consisting of glycidyl methacrylate, maleic an hydride and itaconic an hydride. ### Claim 6 (depends on 1) Adhesive according to claim 1, wherein component (a4) is selected from the group consisting of vinyl esters, vinyl ethers, vinyl halides, vinylidene halides and vinyl compounds containing aromatic rings and heterocycles in αposition. ### Claim 7 (depends on 1) Adhesive according to claim 1, wherein component (a4) is selected from the group consisting of vinyl acetate, vinylformamide, vinylpyridine, ethyl vinyl ether, vinyl chloride, vinylidene chloride and acrylonitrile. ### Claim 8 (depends on 1) Adhesive according to claim 1, wherein component (b) is an epoxy resin containing at least two epoxy groups. ### Claim 9 (depends on 1) Adhesive according to claim 1, wherein component (b) is an epoxy resin having a molecular weight of 100 g/mol to 25 000 g/mol. ### Claim 10 (depends on 1) Adhesive tape comprising the adhesive of claim 1. ### Claim 11 (depends on 10) Adhesive tape according to claim 10, where the adhesive tape is coated on one or both sides with the adhesive. ### Claim 12 (depends on 11) Adhesive tape according to claim 11, where the adhesive is crosslinked by means of UV radiation or electron beams.