# US 2022/0033697 A1 · Moisture-curable one-pack composition and method for joining, casting and coating using the composition > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2022/0033697 A1 - Document ID: US20220033697A1 - Status: Published application - Kind: A1 - Application number: 17/278,991 - Filed: 2019-10-29 - Published: 2022-02-03 - Earliest claimed: 2018-11-08 - Assignees: Delo Industrie Klebstoffe GmbH & Co. Kgaa - Applicants: Delo Industrie Klebstoffe GmbH & Co. Kgaa - Inventors: Markus TRUE; Markus EHRET; Bastian SÜ-VEGES - Web page: https://patentgrep.com/patent/US20220033697A1 ## CPC - C09J 183/04: Polysiloxanes - C09J 183/06: containing silicon bound to oxygen-containing groups (C09J183/12 takes precedence) - C08G 65/336: containing silicon - C08G 75/045: from mercapto compounds and unsaturated compounds - C08G 77/08: characterised by the catalysts used - C08G 77/18: to alkoxy or aryloxy groups - C08K 5/053: Polyhydroxylic alcohols - C08K 5/07: Aldehydes; Ketones - C08K 5/09: Carboxylic acids; Metal salts thereof; Anhydrides thereof - C08K 5/5397: Phosphine oxides - C08G 2170/00: Compositions for adhesives - C08G 2190/00: Compositions for sealing or packing joints - 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) - C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS - C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09) ## Abstract A composition that can be activated by irradiation and cured by moisture comprises (A) one or more moisture-curable compounds from the group of alkoxy silanes, (B) at least one acid generator releasing an acid when exposed to actinic radiation, and (C) at least one carbonyl compound and/or carbonyl derivative selected from the group of aldehydes, ketones, hemiacetals and hemiketals. Moreover, the compositions according to the present invention can additionally contain an alcohol and/or thiol (D), a catalyst for moisture-curing (E), a radiation-curable compound (F), a photoinitiator for radical polymerization (G), and further additives (H). After activation of the acid generator the composition cures even in high layer thicknesses independently of the ingress of external moisture. Furthermore, a method for the bonding, molding, sealing and coating of substrates using the composition is described. ## Claims ### Claim 1 A moisture-curable one-pack composition that can be activated by irradiation with actinic radiation, comprising one or more moisture-curable compounds (A) selected from the group of alkoxy silanes; at least one acid generator (B) releasing an acid when exposed to actinic radiation, and at least one carbonyl compound and/or carbonyl derivative (C) selected from the group of aldehydes, ketones, hemiacetals or hemiketals. ### Claim 2 (depends on 1) The one-pack composition according to claim 1, characterized in that the one-pack composition cures without the ingress of external moisture after activation of the composition by irradiation. ### Claim 3 (depends on 1) The one-pack composition according to claim 1, characterized in that the alkoxy silane of component (A) comprises an at least bifunctional alkoxy silane, preferably a bifunctional α-alkoxy silane. ### Claim 4 (depends on 1) The one-pack composition according to claim 1, characterized in that the one-pack composition additionally comprises at least one catalyst (E) for silane crosslinking, preferably an acid catalyst. ### Claim 5 (depends on 1) The one-pack composition according to claim 1, characterized in that the one-pack composition additionally comprises at least one radiation-curable compound (F) and at least one radical photoinitiator (G). ### Claim 6 (depends on 1) The one-pack composition according to claim 1, characterized in that the one-pack composition comprises at least one compound from the group of alcohols and/or thiols, preferably an aliphatic alcohol and/or an aliphatic thiol, more preferably a dialcohol and/or a dithiol, particularly preferably 1,2-dialcohols, 1,3-dialcohols, 1,2-dithiols or 1,3-dithiols, and mixtures thereof. ### Claim 7 (depends on 1) The one-pack composition according to claim 1, comprising: (A) at least one moisture-curable compound in a proportion of 10 to 99 wt-%, wherein the moisture-curable compound comprises at least one bifunctional alkoxy silane (A1) and optionally a monofunctional alkoxy silane (A2); (B) at least one acid generator in a proportion of 0.0001 to 3 wt-%, preferably 0.001 to 1 wt-%; (C) at least one carbonyl compound and/or carbonyl derivative in a proportion of 0.3 to 15 wt-%; (D) at least one compound from the group of alcohols and/or thiols in a proportion of 0 to 30 wt-% or preferably 0.1 to 20 wt-%; (E) at least one catalyst for silane crosslinking in a proportion of 0 to 20 wt-%, preferably 0.1 to 5 wt-%; more preferably in the form of an acid catalyst; (F) at least one radiation-curable compound in a proportion of 0 to 50 wt-%, preferably 5 to 50 wt-%; (G) at least one radical photoinitiator in a proportion of 0 to 5 wt-%, preferably 0.01 to 5 wt-%; and (H) at least one additive (H) in a proportion of 0 to 70 wt-%; preferably selected from the group of fillers, colorants, pigments, photosensitizers, anti-ageing agents, fluorescent agents, stabilizers, moisture scavengers, accelerators, adhesion promoters, crosslinking agents, flow improvers, wetting agents, thixotropic agents, diluents, flexibilizers, polymeric thickeners, flame retardants, corrosion inhibitors, plasticizers and tackifiers, alone or in combination with each other; each based on the total weight of components (A) bis (H). ### Claim 8 (depends on 7) The one-pack composition according to claim 7, characterized in that the composition consists of components (A), (B), (C) and optionally at least one of components (D) and (H). ### Claim 9 (depends on 7) The one-pack composition according to claim 7, characterized in that the one-pack composition contains the at least one radiation-curable compound (F) in a proportion of 5 to 50 wt-% and the radical photoinitiator (G) in a proportion of 0.01 to 5 wt-%. ### Claim 10 (depends on 1) The one-pack composition according to claim 1, characterized in that the composition, after activation by irradiation, cures in less than 7 days, preferably within 24 h and particularly preferably within at most 6 h. ### Claim 11 (depends on 1) The one-pack composition according to claim 1, characterized in that the viscosity of the one-pack composition changes by less than 100% after a 7-day storage at room temperature. ### Claim 12 (depends on 1) A use of the one-pack composition according to claim 1 as an adhesive or sealant for the bonding, casting, molding, sealing and coating of substrates. ### Claim 13 (depends on 1) A method for the bonding, molding, sealing and coating of substrates using the one-pack composition according to claim 1, comprising the following steps: a) dosing the one-pack composition onto a first substrate; b) activating the composition by irradiation with actinic radiation of a suitable wavelength during a sufficiently long period of time to release an acid from the acid generator (B); c) optionally supplying a second substrate to the activated one-pack composition within an open time while forming a substrate composite; and d) maintaining a waiting time until a first strength of the composition on the substrate or in the substrate composite is achieved. ### Claim 14 (depends on 13) The method according to claim 13, characterized in that activation of the one-pack composition is performed in a flow apparatus.