Polyurethane insulation foam composition comprising a stabilizing compound

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).

2. The polyurethane insulation foam composition according to claim 1 , wherein the aromatic isocyanate compound comprises diphenylmethane diisocyanate, polyphenylene polymethylene polyisocyanate, tolylene diisocyanate, 1,5-naphtalenediisocyanate, p-phenylenediisocyanate, tolidine diisocyanate, or combinations thereof.

3. The polyurethane insulation foam composition according to claim 1 , wherein Component (ii) comprises a polyether polyol, a polyester polyol, a hydroxyl-terminated polythioether, a polyamine, a polythiol, a glycol, or combinations thereof.

4. The polyurethane insulation foam composition according to claim 1 , wherein Component (iv) further comprises of bis-(2-dimethylaminoethyl)ether; N,N,N′-trimethyl-N′-hydroxyethylbisaminoethylether; N,N-dimethylethanolamine; N, N-dimethylcyclohexylamine; N-methyldicyclohexylamine; benzyldimethylamine;

pentamethyldiethylenetriamine; N,N,N′,N″,N″-pentamethyldipropylenetriamine; N′-(3-(dimethylamino)propyl-N,N-di methyl-1,3-propanediamine; 2-(2-dimethylaminoethoxy)ethanol; N,N,N′-trimethylaminoethyl-ethanolamine; 2-[N-(dimethylaminoethoxyethyl)-N-methylamino]ethanol; N,N,N′-trimethyl-N′-3-aminopropyl-bis(aminoethyl) ether; N,N,N′,N′-tetramethylenediamine; N-ethylmorpholine; 2,2′dimorpholinodiethylether; 1,3,5-tris(3-(dimethylamino)propyl)-hexahydro-s-triazine; 1,2-dimethlyimidazol; N-methyl-, N′-(2-dimethylamino)ethyl-piperazine; N, N-dimethylaminoethyl morpholine, triethylene diamine or combinations thereof.

5. The polyurethane insulation foam composition according to claim 1 , wherein the hydroxyl-carboxylic acid and hydroxyl-polycarboxylic acid comprise structures having the following formula:

(HO) n —R′—(COOH) m

wherein R′ is a divalent C 1 -C 10 aliphatic hydrocarbon moiety, n and m are both integers and wherein n≥1 and m≥1.

6. The polyurethane insulation foam composition according to claim 1 , further comprising formic acid, acetic acid, lactic acid or a combination thereof.

7. The polyurethane insulation foam composition according to claim 1 , wherein Component (vi) comprises a trifluoropropene, a tetrafluoropropene, a pentafluoropropene, a chlorotrifloropropene, a chlorodifluoropropene, a chlorotetrafluoropropene, a hexafluorobutene, or combinations thereof.

8. The polyurethane insulation foam composition according to claim 1 , wherein Component (vi) comprises trans-1-chloro-3,3,3-trifluoropropene; (z)-1,1,1,4,4,4-hexafluorobut-2-ene; trans-1,3,3,3-tetrafluoroprop-1-ene or combinations thereof.

9. The polyurethane insulation foam composition according to claim 1 , wherein Component (vii) comprises erythritol, arabitol, xylitol, sorbitol, mannitol, isomalt, lactitol, maltitol, xylose, glucose, fructose, sucrose, trehalose, lactose, raffinose, cyclodextrin, maltodextrin, corn syrup, amylopectin, or combinations thereof.

10. The polyurethane insulation foam composition according to claim 1 , wherein Component (viii) comprise a secondary blowing agent comprising air, nitrogen, carbon dioxide, a hydrofluoroalkane, an alkane, an alkene, a mono-carboxylic acid salt, a ketone, an ether, or combinations thereof.

11. A method of making a polyurethane foam product from a polyurethane insulation foam composition comprising:

reacting the following reactive ingredients of a polyurethane insulation foam composition to form the polyurethane foam product:

(i) an aromatic isocyanate compound;

(ii) an isocyanate reactive compound;

(iii) water;

(iv) a tertiary amine compound;

(v) a hydrophilic carboxylic acid selected from a hydroxyl-carboxylic acid, a hydroxyl-polycarboxylic acid, AGS acid and a combination thereof;

(vi) a halogenated olefin blowing agent;

(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);

wherein a CT REACTIVITY SHIFT of the polyurethane insulation foam composition is less than or equal to 20 and a TFT REACTIVITY SHIFT is less than or equal to 4; and wherein the CT REACTIVITY SHIFT and the TFT REACTIVITY SHIFT of the polyurethane insulation foam composition is determined by using Formulas X and Y, respectively:

CT REACTIVE SHIFT=100*[(CT 79 −CT 0 )/CT 0 ]  Formula X:

wherein

CT 79 means a composition's CT as determined using the FOAM REACTIVITY TEST after the composition's B-Side comprising Components (ii) and (iii) has been aged at 40° C. in a closed, pressure-rated, glass container that was placed in an oven for 79 days,

CT 0 means a composition's CT as determined using the FOAM REACTIVITY TEST after the composition's B-Side comprising Components (ii) and (iii) has been aged at 40° C. for 0 days,

and

TFT REACTIVE SHIFT=100*[(TFT 79 −TFT 0 )/TFT 0 ]  Formula Y:

wherein

TFT 79 means a composition's TFT as determined using the FOAM REACTIVITY TEST after the composition's B-Side comprising Components (ii) and (iii) has been aged at 40° C. in a closed, pressure-rated, glass container that was placed in an oven for 79 days,

TFT 0 means a composition's TFT as determined using the FOAM REACTIVITY TEST after the composition's B-Side comprising Components (ii) and (iii) has been aged at 40° C. for 0 days.

12. The method according to claim 11 , wherein the aromatic isocyanate compound comprises diphenylmethane diisocyanate, polyphenylene polymethylene polyisocyanate, tolylene diisocyanate, 1,5-naphtalenediisocyanate, p-phenylenediisocyanate, tolidine diisocyanate, or combinations thereof.

13. The method according to claim 11 , wherein Component (ii) comprises a polyether polyol, polyester polyol, hydroxyl-terminated polythioethers, polyamines, polythiols, glycols, or combinations thereof.

14. The method according to claim 11 , wherein Component (iv) further comprises wherein Component (iv) further comprises of bis-(2-dimethylaminoethyl)ether; N,N,N′-trimethyl-N′-hydroxyethylbisaminoethylether; N,N-dimethylethanolamine; N,N-dimethylcyclohexylamine; N-methyldicyclohexylamine; benzyldimethylamine; pentamethyldiethylenetriamine; N,N,N′,N″,N″-pentamethyldipropylenetriamine; N′-(3-(dimethylamino)propyl-N,N-di methyl-1,3-propanediamine; 2-(2-dimethylaminoethoxy)ethanol; N,N,N′-trimethylaminoethyl-ethanolamine; 2-[N-(dimethylaminoethoxyethyl)-N-methylamino]ethanol; N,N,N′-trimethyl-N′-3-aminopropyl-bis(aminoethyl) ether; N,N,N′,N′-tetramethylenediamine; N-ethylmorpholine; 2,2′dimorpholinodiethylether; 1,3,5-tris(3-(dimethylamino)propyl)-hexahydro-s-triazine; 1,2-dimethlyimidazol; N-methyl-,N′-(2-dimethylamino)ethyl-piperazine; N,N-dimethylaminoethyl morpholine and triethylene diamine combinations thereof.

15. The method according to claim 11 , wherein the polyurethane foam composition further comprises formic acid, acetic acid, lactic acid or combinations thereof.

16. The method according to claim 11 , wherein Component (vi) comprises trifluoropropenes, tetrafluoropropenes, pentafluoropropenes, chlorotrifloropropenes, chlorodifluoropropenes, chlorotrifluoropropenes, chlorotetrafluoropropenes, hexafluorobutenes, or combinations thereof.

17. The method according to claim 11 , wherein Component (vi) comprises trans-1-chloro-3,3,3-trifluoropropene; (z)-1,1,1,4,4,4-hexafluorobut-2-ene; trans-1,3,3,3-tetrafluoroprop-1-ene or combinations thereof.

18. The method according to claim 11 , wherein Component (viii) comprise a secondary blowing agent comprising air, nitrogen, carbon dioxide, hydrofluoroalkanes, alkanes, alkenes, mono-carboxylic acid salts, ketones, ethers, or combinations thereof.

19. 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 selected from a hydroxyl-carboxylic acid, a hydroxyl-polycarboxylic acid, AGS acid and a combination thereof;

(vi) a halogenated olefin blowing agent;

(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 (vii) is present in the polyurethane insulation foam composition in an amount less than 10 micro-moles per 100 grams of the polyurethane insulation foam composition.

20. The polyurethane insulation foam composition according to claim 19 , wherein the polyurethane insulation foam composition is a two component system.

21. The polyurethane insulation foam composition according to claim 20 , wherein Component (vii) comprises erythritol, arabitol, xylitol, sorbitol, mannitol, isomalt, lactitol, maltitol, xylose, glucose, fructose, sucrose, trehalose, lactose, raffinose, cyclodextrin, maltodextrin, corn syrup, amylopectin, or combinations thereof.