US 12,252,578 B2
Polyurethane foam composition comprising an aromatic polyester polyol compound and products made therefrom
Kai Xi, The Woodlands, TX (US); David J. Shieh, The Woodlands, TX (US); Lifeng Wu, The Woodlands, TX (US); and Sachchida Singh, The Woodlands, TX (US)
Assigned to HUNTSMAN INTERNATIONAL LLC
Appl. No. 17/631,016
Filed by Huntsman International LLC, The Woodlands, TX (US)
PCT Filed Aug. 5, 2020, PCT No. PCT/US2020/045014
§ 371(c)(1), (2) Date Jan. 28, 2022,
PCT Pub. No. WO2021/030115, PCT Pub. Date Feb. 18, 2021.
Claims priority of provisional application 62/884,842, filed on Aug. 9, 2019.
Prior Publication US 2022/0275144 A1, Sep. 1, 2022
Int. Cl. C08G 18/60 (2006.01); C08G 18/08 (2006.01); C08G 18/42 (2006.01); C08G 101/00 (2006.01)
CPC C08G 18/606 (2013.01) [C08G 18/14 (2013.01); C08G 18/4219 (2013.01); C08G 2101/00 (2013.01); C08G 2110/0025 (2021.01); C08G 2110/005 (2021.01); C08G 2150/60 (2013.01)] 10 Claims
 
1. A polyurethane foam composition comprising:
an isocyanate compound;
one or more isocyanate reactive compounds at least one of the isocyanate reactive compounds comprises an aromatic polyester polyol compound comprising an imide moiety wherein the aromatic polyester polyol is the reaction product of:
(i) a cyclic anhydride compound comprising Structure (1), Structure (2), or combinations thereof;

OG Complex Work Unit Chemistry
wherein X is a cyclic anhydride moiety, OH, or COOH, which is attached directly to the structure or through R which is an aromatic ring, aliphatic ring, aliphatic chain radical each containing from 1 through 12 carbon atoms with or without alkyl branches, and with or without hetero atoms comprising, O, N, and/or S and n is an integer from 0 through 1;
(ii) a phthalic acid based compound,
(iii) a primary amine compound,
(iv) an aliphatic diol compound;
(v) optionally, a high functionality, low molecular weight polyether polyol compound;
(vi) optionally, a hydrophobic compound; and
wherein the weight ratio of Component (i) to Component (ii) is from 1:24 to 24:1; and wherein the aromatic polyester polyol is liquid at 25° C. and comprises a hydroxy value ranging from about 30 to about 600; and
a blowing agent.