	US 12,258,495 B2
	Adhesive composition and methods of forming the same
Nicky Chan, Hudson, MA (US); Olivia Gady, Saint Martin de Jussac (FR); Choung-Houng Lai, Acton, MA (US); Yubo Cui, Shrewsbury, MA (US); and James N. Gordon, Waban, MA (US)
Assigned to SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION, Solon, OH (US)
Filed by SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION, Solon, OH (US)
Filed on Dec. 19, 2019, as Appl. No. 16/720,149.
Claims priority of provisional application 62/786,016, filed on Dec. 28, 2018.
Prior Publication US 2020/0208027 A1, Jul. 2, 2020
Int. Cl. C09J 151/00 (2006.01); C08F 2/50 (2006.01); C08F 220/06 (2006.01); C08F 220/18 (2006.01); C08F 236/20 (2006.01); C08F 236/22 (2006.01); C08K 5/00 (2006.01); C08K 5/01 (2006.01); C08K 5/132 (2006.01); C08K 5/37 (2006.01); C08K 7/28 (2006.01); C09J 7/38 (2018.01); C09J 133/08 (2006.01); C09J 133/10 (2006.01); G01R 23/00 (2006.01); G01R 31/00 (2006.01); G01R 31/30 (2006.01); G01R 31/317 (2006.01); H04L 9/08 (2006.01); H04L 9/32 (2006.01)

CPC C09J 151/003 (2013.01) [C08F 2/50 (2013.01); C08F 220/06 (2013.01); C08F 220/1808 (2020.02); C08F 220/1811 (2020.02); C08F 236/20 (2013.01); C08F 236/22 (2013.01); C08K 5/0025 (2013.01); C08K 5/01 (2013.01); C08K 5/132 (2013.01); C08K 5/37 (2013.01); C08K 7/28 (2013.01); C09J 7/38 (2018.01); C09J 133/08 (2013.01); C09J 133/10 (2013.01); G01R 23/005 (2013.01); G01R 31/002 (2013.01); G01R 31/30 (2013.01); G01R 31/31709 (2013.01); G01R 31/31719 (2013.01); H04L 9/0866 (2013.01); H04L 9/3278 (2013.01); C09J 2203/00 (2013.01); C09J 2400/14 (2013.01); C09J 2400/22 (2013.01); C09J 2423/106 (2013.01); C09J 2423/166 (2013.01); G01R 31/31703 (2013.01)]

14 Claims

1. An adhesive comprising an adhesive structure and an adhesive composition, wherein the adhesive structure comprises a graft copolymer and wherein the adhesive composition comprises:

at least 1 wt. % and not greater than 40 wt. % of a macromonomer component for a total weight of the adhesive composition;

at least 50 wt. % and not greater than 90 wt. % of a (meth)acrylic based polymeric component A for a total weight of the adhesive composition; and

at least 0.1 wt. % and not greater than 30 wt. % of a tackifier component for a total weight of the adhesive composition,

wherein the macromonomer component has a weight-average molecular weight of at least 1000 g/mol,

wherein the macromonomer component has a glass transition temperature of at least 40° C., and

wherein the (meth)acrylic based polymeric component A has a glass transition temperature (Tg) of not greater than 20° C.