	US 12,269,972 B2
	Reactive adhesive film with good heat-and-humidity resistance, in particular for bonding polyamide
Uwe Schümann, Pinneberg (DE); Séverine Crouzy, La Boisse (FR); Björn Zeysing, Hamburg (DE); Claudia Moehrke, Hamburg (DE); and Marta Lunding, Norderstedt (DE)
Assigned to Tesa SE, Norderstedt (DE)
Appl. No. 17/760,633
Filed by TESA SE, Norderstedt (DE)
PCT Filed Oct. 7, 2020, PCT No. PCT/EP2020/078027 § 371(c)(1), (2) Date Mar. 15, 2022, PCT Pub. No. WO2021/073959, PCT Pub. Date Apr. 22, 2021.
Claims priority of application No. 10 2019 215 766.1 (DE), filed on Oct. 14, 2019.
Prior Publication US 2022/0340795 A1, Oct. 27, 2022
Int. Cl. C09J 163/10 (2006.01); C09J 7/38 (2018.01); C09J 11/04 (2006.01); C09J 11/06 (2006.01); C09J 133/08 (2006.01); C09J 133/10 (2006.01)

CPC C09J 163/10 (2013.01) [C09J 7/385 (2018.01); C09J 11/04 (2013.01); C09J 11/06 (2013.01); C09J 133/08 (2013.01); C09J 133/10 (2013.01); C09J 2301/302 (2020.08); C09J 2301/408 (2020.08); C09J 2400/166 (2013.01); C09J 2400/225 (2013.01)]

20 Claims

1. A reactive adhesive film system comprising two reactive adhesive films comprising (a) a polymeric film-forming matrix, (b) at least one reactive monomer comprising an epoxide-functionalized acrylic ester or epoxide-functionalized methacrylic ester or an epoxide-functionalized vinyl compound and (c) a reagent selected from an initiator, or an activator, wherein the first reactive adhesive film comprises a radical initiator and the second reactive adhesive film comprises an activator.