US 12,404,432 B2
Waterborne adhesive composition
Jie Wu, Lake Jackson, TX (US); Viraj K. Shah, Pearland, TX (US); and Kalyan Sehanobish, Sanford, MI (US)
Assigned to Arkema France, Puteaux (FR)
Appl. No. 18/042,631
Filed by Dow Global Technologies LLC, Midland, MI (US)
PCT Filed Aug. 17, 2021, PCT No. PCT/US2021/046278
§ 371(c)(1), (2) Date Feb. 23, 2023,
PCT Pub. No. WO2022/066319, PCT Pub. Date Mar. 31, 2022.
Claims priority of provisional application 63/081,968, filed on Sep. 23, 2020.
Prior Publication US 2023/0332023 A1, Oct. 19, 2023
Int. Cl. C09J 133/08 (2006.01); C09J 11/06 (2006.01); C09J 11/08 (2006.01)
CPC C09J 133/08 (2013.01) [C09J 11/06 (2013.01); C09J 11/08 (2013.01); C09J 2301/312 (2020.08); C09J 2301/50 (2020.08); Y10T 428/24 (2015.01)] 10 Claims
 
1. A waterborne laminating barrier adhesive composition comprising:
(a) a water-based acrylic polymer emulsion component having a Tg of above −20° C.;
(b) at least one nanocellulose component comprising fibers and/or crystals having a length/width ratio of from 10 to 1,000; and
(c) optionally, at least one isocyanate crosslinker component.
 
10. A process of making a waterborne adhesive composition comprising admixing:
(a) a water-based acrylic polymer emulsion component having a Tg of above −20° C.;
(b) at least one nanocellulose component comprising fibers and/or crystals having a length/width ratio of from 10 to 1,000; and
(c) optionally, at least one isocyanate crosslinker component.