Polyurethane insulation foam composition comprising halogenated olefins and a tertiary amine compound

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):
• R1R2N—CH2—CH2—X—CH2—CH2—Y (a)
• wherein
• R1 and R2 are independently C1-C4 alkyl or C2-C4 alkanol;
• X is Oxygen or N—R3 wherein R3 is C1-C4 alkyl or C2-C4 alkanol or OH;
• and
• Y is OH or NR4R5 wherein R4 and R5 are independently C1-C4 alkyl or C2-C4 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*[(CT17−CT0)/CT0] Formula X:
• wherein
• CT17 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;
• CT0 means a composition's CT after the B-Side has been aged at 40° C. for 0 days;
• and
• TFT REACTIVE SHIFT=100*[(TFT17−TFT0)/TFT0] Formula Y:
• wherein
• TFT17 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;
• TFT0 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.