Patent ID: 11958935
Assignee: HUNTSMAN INTERNATIONAL LLC
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A polyurethane insulation foam composition comprising:
(i) an aromatic isocyanate compound;
(ii) an isocyanate reactive compound;
(iii) water;
(iv) a tertiary amine compound;
(v) a hydrophilic carboxylic acid compound selected from, a hydroxyl-carboxylic acid, a hydroxyl-polycarboxylic acid, AGS acid and a combination thereof;
(vi) a halogenated olefin blowing agent; and
(vii) a stabilizing compound wherein the stabilizing compound comprises an un-alkoxylated polyhydroxy compound having 4 or more hydroxyl groups; and
(viii) optionally, other additives;, wherein Component (v) is present in the polyurethane insulation foam composition in an amount ranging from 0.2 to 4 equivalents of carboxyl group per equivalent of tertiary amines in Component (iv) and Component (vii) is present in an amount of less than 0.8 moles per mole of Component (v).