	US 12,448,552 B2
	Adhesive bond between a thermoplastic material and an elastomer composition
Andreas Kramer, Zürich (CH); Urs Burckhardt, Zürich (CH); Michael Schlumpf, Stallikon (CH); and Martin Demmig, Quickborn (DE)
Assigned to SIKA TECHNOLOGY AG, Baar (CH)
Appl. No. 17/274,120
Filed by SIKA TECHNOLOGY AG, Baar (CH)
PCT Filed Nov. 11, 2019, PCT No. PCT/EP2019/080847 § 371(c)(1), (2) Date Mar. 5, 2021, PCT Pub. No. WO2020/099308, PCT Pub. Date May 22, 2020.
Claims priority of application No. 18206323 (EP), filed on Nov. 14, 2018.
Prior Publication US 2021/0189205 A1, Jun. 24, 2021
Int. Cl. C09J 175/08 (2006.01); C08G 18/10 (2006.01); C08G 18/30 (2006.01); C08G 18/48 (2006.01); C08G 18/71 (2006.01); C08G 18/76 (2006.01)

CPC C09J 175/08 (2013.01) [C08G 18/10 (2013.01); C08G 18/307 (2013.01); C08G 18/4825 (2013.01); C08G 18/4829 (2013.01); C08G 18/4841 (2013.01); C08G 18/715 (2013.01); C08G 18/7671 (2013.01)]

11 Claims

1. An article comprising

(i) at least one thermoplastic substrate and

(ii) a layer of an elastomer composition containing at least one plasticizer,

wherein the layer of the elastomer composition is an adhesive directly adhered to the thermoplastic substrate, wherein the at least one plasticizer includes a polyether having blocked hydroxyl groups, wherein the polyether having blocked hydroxyl groups has an average molecular weight M_nin a range from 4,000 to 8,500 g/mol, and wherein the thermoplastic substrate is a polycarbonate or polystyrene.