US 12,281,192 B2
Polyurethane chain extender, composition for forming polyurethane resin, polyurethane resin, polyurethane resin composition, molded body, and article
Yuma Ohno, Kanagawa (JP); Yuka Akai, Kanagawa (JP); Takuma Hanaoka, Kanagawa (JP); Kousuke Ikeuchi, Kanagawa (JP); and Kazuki Kouno, Kanagawa (JP)
Assigned to MITSUBISHI GAS CHEMICAL COMPANY, INC., Tokyo (JP)
Appl. No. 18/708,095
Filed by MITSUBISHI GAS CHEMICAL COMPANY, INC., Tokyo (JP)
PCT Filed Nov. 4, 2022, PCT No. PCT/JP2022/041164
§ 371(c)(1), (2) Date May 7, 2024,
PCT Pub. No. WO2023/085209, PCT Pub. Date May 19, 2023.
Claims priority of application No. 2021-185805 (JP), filed on Nov. 15, 2021.
Prior Publication US 2024/0425638 A1, Dec. 26, 2024
Int. Cl. C08G 18/32 (2006.01); C08G 18/10 (2006.01); C08G 18/24 (2006.01); C08G 18/48 (2006.01); C08G 18/66 (2006.01); C08G 18/75 (2006.01); C08L 75/02 (2006.01)
CPC C08G 18/3234 (2013.01) [C08G 18/10 (2013.01); C08G 18/246 (2013.01); C08G 18/4854 (2013.01); C08G 18/6685 (2013.01); C08G 18/755 (2013.01); C08L 75/02 (2013.01)] 20 Claims
 
1. A composition for forming a polyurethane-based resin, comprising a polyisocyanate compound (A), a polyol compound (B), and a polyurethane chain extender (C) comprising an amine compound (X) represented by the following Formula (1),
wherein a proportion of a trans-isomer in the amine compound (X) is 50 mol % or more:

OG Complex Work Unit Chemistry
where in the above Formula (1), R1 to R12 each independently represent a hydrogen atom or a hydrocarbon group having 1 or more and 4 or less of carbon atoms, p and q each independently represent an integer of 0 or more and 4 or less, and at least one of p or q is 1 or more.