US 12,435,203 B2
Adhesive composition
Himal H. Ray, Collegeville, PA (US); Edwin Aloysius Nungesser, Jr., Collegeville, PA (US); Miroslav Janco, Collegeville, PA (US); and Edward E. La Fleur, Holland, PA (US)
Assigned to Rohm and Haas Company, Collegeville, PA (US)
Appl. No. 17/638,289
Filed by Rohm and Haas Company, Collegeville, PA (US)
PCT Filed Aug. 28, 2020, PCT No. PCT/US2020/048473
§ 371(c)(1), (2) Date Feb. 25, 2022,
PCT Pub. No. WO2021/045973, PCT Pub. Date Mar. 11, 2021.
Claims priority of provisional application 62/895,265, filed on Sep. 3, 2019.
Prior Publication US 2022/0348802 A1, Nov. 3, 2022
Int. Cl. C09J 7/24 (2018.01); C08K 5/10 (2006.01); C08K 5/17 (2006.01); C09J 7/38 (2018.01); C09J 133/06 (2006.01); C09J 133/08 (2006.01); C09J 133/12 (2006.01)
CPC C08K 5/10 (2013.01) [C08K 5/17 (2013.01); C09J 7/243 (2018.01); C09J 7/385 (2018.01); C09J 133/064 (2013.01); C09J 133/08 (2013.01); C09J 133/12 (2013.01); C09J 2301/302 (2020.08); C09J 2301/408 (2020.08); C09J 2423/106 (2013.01); C09J 2433/00 (2013.01)] 16 Claims
 
1. An adhesive composition comprising
(A) multi-stage latex polymer particles comprising:
(i) a first-stage polymer consisting of
acrylic acid monomer; and
a first vinyl monomer consisting of 2-ethyl hexyl acrylate and methyl methacrylate;
(ii) a second-stage polymer bound to the first-stage polymer, the second-stage polymer consisting of
methacrylic acid monomer; and
a second vinyl monomer consisting of 2-ethyl hexyl acrylate;
(B) a linear diamine base; and
(C) an ethoxylated surfactant.