US 12,221,510 B2
Recyclable laminate
Yinzhong Guo, Pearland, TX (US); Tuoqi Li, Dallas, TX (US); Sudhanwa Dewasthale, Houston, TX (US); Jian Wang, Missouri City, TX (US); and Thorsten Schmidt, Richterswil (CH)
Assigned to Dow Global Technologies LLC, Midland, MI (US)
Appl. No. 17/754,521
Filed by Dow Global Technologies LLC, Midland, MI (US)
PCT Filed Oct. 1, 2020, PCT No. PCT/US2020/053723
§ 371(c)(1), (2) Date Apr. 5, 2022,
PCT Pub. No. WO2021/086541, PCT Pub. Date May 6, 2021.
Claims priority of provisional application 62/926,727, filed on Oct. 28, 2019.
Prior Publication US 2024/0059825 A1, Feb. 22, 2024
Int. Cl. C08G 18/62 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/32 (2006.01); B32B 37/12 (2006.01); B65D 65/40 (2006.01); C08G 18/36 (2006.01); C08G 18/65 (2006.01); C08G 18/79 (2006.01); C09J 5/00 (2006.01); C09J 175/04 (2006.01)
CPC C08G 18/6208 (2013.01) [B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/32 (2013.01); B32B 37/1284 (2013.01); B65D 65/40 (2013.01); C08G 18/36 (2013.01); C08G 18/6547 (2013.01); C08G 18/792 (2013.01); C09J 5/00 (2013.01); C09J 175/04 (2013.01); B32B 2250/02 (2013.01); B32B 2250/242 (2013.01); B32B 2255/10 (2013.01); B32B 2255/26 (2013.01); B32B 2307/306 (2013.01); B32B 2307/31 (2013.01); B32B 2307/518 (2013.01); B32B 2307/54 (2013.01); B32B 2307/748 (2013.01); B32B 2553/00 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A polyolefin-based laminating adhesive composition for use in producing a mechanical recyclable material, the adhesive composition comprising a mixture of:
(a) from 40 weight percent to 90 weight percent of (i) at least one saturated polyolefin polyol, and (ii) an optional saturated fatty dimer polyol;
(b) from 10 weight percent to 30 weight percent of at least one aliphatic multi-functional isocyanate compound; and
(a)(i), (a)(ii), and (b) amount to 100 weight percent of the composition.