US 11,912,867 B2
Polyurethane and UV-moisture dual cure PU reactive hotmelt comprising the same
Xuyuan Peng-Poehler, Ludwigshafen (DE); Yun Fei Guo, Shanghai (CN); and Li Chen, Shanghai (CN)
Assigned to BASF SE, Ludwigshafen Am Rhein (DE)
Appl. No. 17/426,777
Filed by BASF SE, Ludwigshafen am Rhein (DE)
PCT Filed Jan. 14, 2020, PCT No. PCT/EP2020/050803
§ 371(c)(1), (2) Date Jul. 29, 2021,
PCT Pub. No. WO2020/156802, PCT Pub. Date Aug. 6, 2020.
Claims priority of application No. PCT/CN2019/074457 (WO), filed on Feb. 1, 2019.
Prior Publication US 2022/0098405 A1, Mar. 31, 2022
Int. Cl. C08L 75/14 (2006.01); C09J 7/35 (2018.01); C08G 18/81 (2006.01); B29C 64/129 (2017.01); C09J 7/32 (2018.01); C08G 18/12 (2006.01); C08G 18/40 (2006.01); C08G 18/42 (2006.01); C08G 18/48 (2006.01); C08G 18/72 (2006.01); C08G 18/76 (2006.01); C08K 5/21 (2006.01); B33Y 10/00 (2015.01); B33Y 70/00 (2020.01); B33Y 80/00 (2015.01)
CPC C08L 75/14 (2013.01) [B29C 64/129 (2017.08); C08G 18/12 (2013.01); C08G 18/4018 (2013.01); C08G 18/4202 (2013.01); C08G 18/4804 (2013.01); C08G 18/728 (2013.01); C08G 18/7671 (2013.01); C08G 18/8125 (2013.01); C08K 5/21 (2013.01); C09J 7/32 (2018.01); C09J 7/35 (2018.01); B33Y 10/00 (2014.12); B33Y 70/00 (2014.12); B33Y 80/00 (2014.12); C08G 2170/20 (2013.01); C09J 2301/304 (2020.08); C09J 2301/306 (2020.08); C09J 2301/416 (2020.08); C09J 2475/00 (2013.01)] 23 Claims
 
1. A UV-moisture dual cure polyurethane reactive hotmelt comprising (i) at least one polyurethane which has an isocyanate group and has C—C double bonds on a side chain and (ii) at least one photoinitiator, wherein an isocyanate in an isocyanate component for synthesizing the at least one polyurethane is diisocyanate and the isocyanate component comprises at least one diisocyanate having C—C double bonds on a side chain.