US 11,834,546 B2
Polyurethane-based composition
Guillaume Michaud, Venette (FR); Frédéric Simon, Venette (FR); and Stéphane Fouquay, Venette (FR)
Assigned to Bostik SA, Colombes (FR)
Appl. No. 16/762,300
Filed by Bostik SA, Colombes (FR)
PCT Filed Nov. 21, 2018, PCT No. PCT/FR2018/052940
§ 371(c)(1), (2) Date May 7, 2020,
PCT Pub. No. WO2019/102142, PCT Pub. Date May 31, 2019.
Claims priority of application No. 1761029 (FR), filed on Nov. 22, 2017.
Prior Publication US 2020/0385509 A1, Dec. 10, 2020
Int. Cl. C08G 18/40 (2006.01); B32B 7/12 (2006.01); B32B 15/20 (2006.01); B32B 37/12 (2006.01); C08G 18/28 (2006.01); C08G 18/79 (2006.01); C08L 75/06 (2006.01); C09J 175/06 (2006.01)
CPC C08G 18/4018 (2013.01) [B32B 7/12 (2013.01); B32B 15/20 (2013.01); B32B 37/12 (2013.01); C08G 18/289 (2013.01); C08G 18/2815 (2013.01); C08G 18/794 (2013.01); C08L 75/06 (2013.01); C09J 175/06 (2013.01)] 17 Claims
 
1. A composition comprising:
a composition A comprising at least one polyurethane comprising at least two end functions T of formula (I) below:

OG Complex Work Unit Chemistry
wherein R1 and R2, which may be identical or different, each represent a hydrogen atom, a linear or branched alkyl group, a cycloalkyl group, a phenyl group, or an alkylphenyl group with a linear or branched alkyl chain; or R1 and R2 may be bonded together to form a group —(CH2)n— with n=3, 4 or 5, and
a composition B comprising at least one amine.