US 12,344,774 B2
Retort adhesive composition
Jie Wu, Lake Jackson, TX (US); Mai Chen, Lake Jackson, TX (US); and Sudhanwa D. Dewasthale, Lake Jackson, TX (US)
Assigned to Arkema France, Puteaux (FR)
Appl. No. 17/621,230
Filed by DOW GLOBAL TECHNOLOGIES LLC, Midland, MI (US); and ROHM AND HAAS COMPANY, Collegeville, PA (US)
PCT Filed May 19, 2020, PCT No. PCT/US2020/033617
§ 371(c)(1), (2) Date Dec. 20, 2021,
PCT Pub. No. WO2020/256878, PCT Pub. Date Dec. 24, 2020.
Claims priority of provisional application 62/862,714, filed on Jun. 18, 2019.
Prior Publication US 2022/0356384 A1, Nov. 10, 2022
Int. Cl. C09J 175/08 (2006.01); B32B 7/12 (2006.01); B32B 37/12 (2006.01); C08G 18/38 (2006.01); C08G 18/48 (2006.01); C08G 18/50 (2006.01); C08G 18/73 (2006.01); C08G 18/76 (2006.01)
CPC C09J 175/08 (2013.01) [B32B 7/12 (2013.01); B32B 37/12 (2013.01); C08G 18/3885 (2013.01); C08G 18/4816 (2013.01); C08G 18/4829 (2013.01); C08G 18/5084 (2013.01); C08G 18/73 (2013.01); C08G 18/7642 (2013.01); C08G 18/7671 (2013.01); B32B 2037/1253 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A solvent-based retort adhesive composition comprising:
(A) an isocyanate compound, Component A, wherein the isocyanate compound, Component A, consists of a single aliphatic-based isocyanate; or wherein the isocyanate compound, Component A, consists of a single aromatic-based isocyanate; and
(B) an isocyanate-reactive component, Component B; comprising:
(i) at least one phosphate ester compound,
(ii) an aliphatic polyester polyol having an average molecular weight of greater than or equal to 3,000 g/mol, and
(iii) an optional polyether polyol, wherein (B)(i), (B)(ii), and (B)(iii) amount to 100 wt % of the isocyanate-reactive component (B).