Polyurethane insulation foam composition comprising halogenated olefins and a tertiary amine compound
A polyurethane insulation foam composition is disclosed herein. The polyurethane insulation foam comprises: (i) an isocyanate compound; (ii) an isocyanate reactive compound; (iii) water; (iv) a tertiary amine compound; (v) a hydrophilic carboxylic acid compound; (vi) a halogenated olefin compound; and (vii) optionally, other additives.
1. A polyurethane insulation composition comprising:
(i) an isocyanate compound;
(ii) an isocyanate reactive compound;
(iii) water;
(iv) a tertiary amine compound having the structure of Formula (a):
R 1 R 2 N—CH 2 —CH 2 —X—CH 2 —CH 2 —Y (a)
wherein
R 1 and R 2 are independently C 1 -C 4 alkyl or C 2 -C 4 alkanol;
X is Oxygen or N—R 3 wherein R 3 is C 1 -C 4 alkyl or C 2 -C 4 alkanol or OH; and
Y is OH or NR 4 R 5 wherein R 4 and R 5 are independently C 1 -C 4 alkyl or C 2 -C 4 alkanol;
(v) a hydrophilic carboxylic acid having the structure of Formula (b):
(HO) n —R′—(COOH) m (b)
wherein
R′ is a divalent C1-C10 aliphatic hydrocarbon moiety, n and m are both integers and wherein n≥1 and m≥1;
(vi) a halogenated olefin blowing agent; and
(vii) optionally, other additives; and
Wherein, when an A-side comprising component (i) and, optionally, components (iv), (v), (vi) and/or (vii), and a B-side composing components (ii)-(iii) and, optionally, (iv), (v), (vi) and/or (vii)) are mixed to form a polyurethane foam, the CT REACTIVITY SHIFT of the polyurethane insulation composition is less than or equal to 60 and the TFT REACTIVITY SHIFT is less than or equal to 60; wherein CT REACTIVITY SHIFT is calculated using Formula X and wherein TFT REACTIVITY SHIFT is calculated using Formula Y:
CT REACTIVE SHIFT=100*[(CT 17 −CT 0 )/CT 0 ] Formula X:
wherein
CT 17 means a composition's CT after the B-Side has been aged at 40° C. in a closed, pressure-rated, glass container that was placed in an oven for 17 days;
CT 0 means a composition's CT after the B-Side has been aged at 40° C. for 0 days; and
TFT REACTIVE SHIFT=100*[(TFT 17 −TFT 0 )/TFT 0 ] Formula Y:
wherein
TFT 17 means a composition's TFT after the B-Side has been aged at 40° C. in a closed, pressure-rated, glass container that was placed in an oven for 17 days;
TFT 0 means a composition's TFT after the B-Side has been aged at 40° C. for 0 days
wherein CT means the elapsed time between the moment the A-side is mixed with the B-Side and the formation of a fine froth in the composition and
wherein TFT means the elapsed time between the moment the A-side is mixed with the B-Side and the time on which an outer skin of the polyurethane foam product loses its adhesive quality.
2. The polyurethane insulation composition composition according to claim 1 , wherein Component (i) comprises aliphatic, araliphatic, aromatic polyisocyanates, or combinations thereof.
3. The polyurethane insulation composition according to claim 2 , wherein the polyisocyanate comprises diphenylmethane diisocyanate, tolylene diisocyanate, hexamethylene diisocyanate, isophorone diisocyanate, tetramethylxylene diisocyanate, 1,5-naphtalenediisocyanate, p-phenylenediisocyanate, 1,4-cyclohexanediisocyanate, tolidine diisocyanate, or combinations thereof.
4. The polyurethane insulation composition according to claim 1 , wherein Component (ii) comprises a polyether polyol, polyester polyol, hydroxyl-terminated polythioethers, polyamides, polyesteramides, polycarbonates, polyacetals, polyolefins, polyamines, polythiols, polysiloxanes, glycols, or combinations thereof.
5. The polyurethane insulation composition according to claim 1 , wherein Component (iv) further comprises 1-methylimidazole, 1,2-dimethlyimidazol and 1-methyl-2-hydroxyethylimidazole, N-(3-aminopropyl) imidazole, 1-n-butyl-2-methylimidazole, 1-iso-butyl-2-methylimidazole; N,N,N′-trimethylaminoethyl-ethanolamine, N-methyldicyclohexylamine, 2,2′dimorpholinodiethylether, N-methylmorpholine, N,N-dimethylcyclohexylamine, 3,5-dimethylthio-2,4-toluenediamine, N,N-dimethyl-p-toluidine, N,N-dimethyl-p-toluidine, 1,1′,1″,1′-(1,2-ethanediyldinitrilo)tetrakis[2-propanol] neodecanoate complexes, 2,2′,2″,2″-(1,2-ethanediyldinitrilo)tetrakis[ethanol] neodecanoate complexes, or combinations thereof.
6. Polyurethane insulation composition according to claim 1 , wherein Component (v) comprises a Waste AGS Acid Compound, a Natural Acid Compound, or combinations thereof.
7. The polyurethane insulation composition according to claim 1 , wherein Component (vi) comprises trifluoropropenes, tetrafluoropropenes, pentafluoropropenes, chlorotrifloropropenes, chlorodifluoropropenes, chlorotrifluoropropenes, chlorotetrafluoropropenes, hexafluorobutenes, or combinations thereof.
8. The polyurethane insulation composition according to claim 1 , wherein Component (vii) comprise a secondary blowing agent comprising air, nitrogen, carbon dioxide, hydrofluoroalkanes, alkanes, alkenes, mono-carboxylic acid salts, ketones, ethers, or combinations thereof.
9. The polyurethane insulation composition according to claim 1 , where the foam composition does not contain a guanidine compound.
10. The polyurethane composition according to claim 1 , wherein the polyurethane composition is a spray foam composition for use in a spray application.