NATURAL OIL BASED POLYOL BLENDS
A natural oil based polyol blend is provided. The blend includes a first natural oil based polyol comprising is the reaction product of a first monomer and a first initiator, and where the first monomer is derived from at least one first fatty acid methyl ester. The blend also includes a second natural oil based polyol comprising the reaction product of a second monomer and a second initiator. The second monomer is derived from at least one second fatty acid methyl ester, and at least one of the second monomer and the second initiator is different from the first monomer and the first initiator, respectively. The natural oil based polyol blend may be reacted with an isocyanate to form a foam.
1 . A natural oil based polyol blend, comprising:
a first natural oil based polyol comprising the reaction product of a first monomer and a first initiator, wherein the first monomer is derived from at least one first fatty acid methyl ester; and
a second natural oil based polyol comprising the reaction product of a second monomer and a second initiator, wherein the second monomer is derived from at least one second fatty acid methyl ester, and at least one of the second monomer and the second initiator is different from the first monomer and the first initiator, respectively.
2 . A flexible polyurethane foam, comprising:
a reaction product of
an isocyanate and
a natural oil based polyol blend, comprising:
a first natural oil based polyol comprising the reaction product of a first monomer and a first initiator, wherein the first monomer is derived from at least one first fatty acid methyl ester, and
a second natural oil based polyol comprising the reaction product of a second monomer and a second initiator, wherein the second monomer is derived from at least one second fatty acid methyl ester, and at least one of the second monomer and the second initiator is different from the first monomer and the first initiator, respectively.
3 . The natural oil based polyol blend of claim 1 , wherein the first monomer and the second monomer comprises hydroformulated fatty acid methyl esters.
4 . The natural oil based polyol blend claim 1 , wherein the first monomer and the second monomer are different monomers.
5 . The natural oil based polyol blend claim 1 , wherein at least one of the first monomer and second monomer is hydroxymethylated soybean fatty acid methyl esters.
6 . The natural oil based polyol blend claim 1 , wherein at least one of the first monomer and second monomer is 9(10)-hydroxymethylstearate.
7 . The natural oil based polyol blend claim 1 , wherein at least one of the first monomer and second monomer is hydroxymethylated castor bean fatty acid methyl esters.
8 . The natural oil based polyol blend claim 1 , wherein at least one of the first initiator and second initiator is a 625 molecular weight poly(ethylene oxide) triol.
9 . The natural oil based polyol blend claim 1 , wherein at least one of the first initiator and second initiator is a 550 molecular weight poly(ethylene oxide/propylene oxide) triol.
10 . The natural oil based polyol blend claim 1 , wherein at least one of the first initiator and second initiator is a 4600 molecular weight poly(ethylene oxide/propylene oxide) triol.
11 . The natural oil based polyol blend claim 1 , wherein at least one of the first natural oil based polyol and the second natural oil based polyol has a monomer to initiator ratio of at least about 4:1.
12 . The natural oil based polyol blend claim 11 , wherein the ratio is at least about 9:1.
13 . The flexible polyurethane foam of claim 2 , wherein the natural oil based polyol blend further comprises at least one conventional petroleum-based polyol and has a renewable content of at least 26%, and the flexible polyurethane foam has a resilience of at least 42%.
14 . The flexible polyurethane foam of claim 13 , wherein the resilience is at least 46%.
15 . The flexible polyurethane foam of claim 13 , wherein the renewable content is at least 31%.
16 . A method of producing a polyurethane foam, comprising:
reacting an isocyanate with the natural oil based polyol blend of claim 1 .
17 . The polyurethane foam of claim 2 , wherein the first monomer and the second monomer comprises hydroformulated fatty acid methyl esters.
18 . The flexible polyurethane foam of any one of claim 2 , wherein the first monomer and the second monomer are different monomers.
19 . The flexible polyurethane foam of any one of claim 2 , wherein at least one of the first monomer and second monomer is hydroxymethylated soybean fatty acid methyl esters.
20 . The flexible polyurethane foam of any one of claim 2 , wherein at least one of the first monomer and second monomer is 9(10)-hydroxymethylstearate.