US 11,739,189 B2
Composition kit for preparing polyurethane foam and preparation method and application thereof
Shihu Zhao, Anhui (CN); Haixia Yuan, Anhui (CN); Junjie Lang, Anhui (CN); Yihui Xing, Anhui (CN); and Yurong Kong, Anhui (CN)
Assigned to HEFEI HUALING CO., LTD., Hefei (CN); HEFEI MIDEA REFRIGERATOR CO., LTD., Hefei (CN); and MIDEA GROUP CO., LTD., Foshan (CN)
Appl. No. 17/251,763
Filed by HEFEI HUALING CO., LTD., Anhui (CN); HEFEI MIDEA REFRIGERATOR CO., LTD., Anhui (CN); and MIDEA GROUP CO., LTD., Guangdong (CN)
PCT Filed Jan. 8, 2019, PCT No. PCT/CN2019/070796
§ 371(c)(1), (2) Date Dec. 11, 2020,
PCT Pub. No. WO2019/237728, PCT Pub. Date Dec. 19, 2019.
Claims priority of application No. 201810610028.5 (CN), filed on Jun. 13, 2018.
Prior Publication US 2021/0130565 A1, May 6, 2021
Int. Cl. C08G 18/18 (2006.01); C08G 18/40 (2006.01); C08G 18/42 (2006.01); C08G 18/48 (2006.01); C08G 18/50 (2006.01); C08G 18/76 (2006.01); C08J 9/00 (2006.01); C08J 9/14 (2006.01); C08L 75/08 (2006.01)
CPC C08J 9/144 (2013.01) [C08G 18/1808 (2013.01); C08G 18/1816 (2013.01); C08G 18/1875 (2013.01); C08G 18/4816 (2013.01); C08G 18/5027 (2013.01); C08G 18/7671 (2013.01); C08J 9/141 (2013.01)] 18 Claims
 
1. A composition kit for preparing a polyurethane foam, comprising:
a first component and a second component disposed in different containers, respectively,
wherein the first component comprises an organic isocyanate and a low boiling point foaming agent; and
wherein the second component comprises a polyol composition, a high boiling point foaming agent, a composite catalyst including a foaming catalyst comprising pentamethyldiethylenetriamine, a gel catalyst comprising dimethyl cyclohexylamine and a polymeric catalyst comprising (2-hydroxypropyl)trimethylammonium formate, water and a silicone oil, the second component is free of any low boiling point foaming agents,
wherein the composite catalyst comprises 1.2 to 2.2 parts by weight of pentamethyldiethylenetriamine, 6 to 8 parts by weight of dimethyl cyclohexylamine and 1.5 to 2.2 parts by weight of (2-hydroxypropyl)trimethylammonium formate.