STABILIZED BLEND COMPOSITIONS COMPRISING 2,3,3,3-TETRAFLUOROPROPENE
The present invention relates to compositions comprising 2,3,3,3-tetrafluoropropene, an additional refrigerant selected from the group consisting of HFC-32, HFC-125, HFC-134a, HFC-152a, E-HFO-1132 and CO 2 , at least one of at least one inhibitor, and at least one gas component, wherein the compositions are resistant to polymerization.
1 . A composition comprising 2,3,3,3-tetrafluoropropene, and at least one additional refrigerant selected from the group consisting of HFC-32, HFC-125, HFC-134a, HFC-152a, E-HFO-1132 and CO 2 , at least one of at least one inhibitor, and at least one gas component, wherein
the inhibitor is selected from the group consisting of d-limonene, l-limonene, α-pinene, β-pinene, α-terpinene, β-terpinene, γ-terpinene, and δ-terpinene, and mixtures of two or more thereof, and
the gas component is selected from the group consisting of O 2 , N 2 , Ar, CO 2 , CH 4 , He, and N 2 /O 2 mixtures having a ratio of N 2 /O 2 of greater than or equal to 78/21, wherein the composition further comprises water.
2 . The composition of claim 1 , wherein the composition is substantially free of any phenol and benzophenone derivatives.
3 . The composition of claim 1 , wherein the composition does not contain a phenol or benzophenone derivative.
4 . The composition of claim 1 further comprising at least one member selected from the group consisting of 1243zf, 1140, 1234ze, trifluoropropyne, 225ca, 225cb, 227ea, and 152a.
5 . The composition of claim 1 further comprising at least one member selected from the group consisting of 1234ze, 1243zf, Z-1336mzz, E-1336mzz, 1327mz, 1122, 1122a, 1123, 1233zd, 1224yd, E-1132, Z-1132, 1132a, 1112, E-1225ye, Z-1225ye, 1234zc, 1234ye, 1234yc, 1225zc, and 152a.
6 . The composition of claim 1 further comprising a lubricant.
7 . (canceled)
8 . The composition of claim 1 wherein the inhibitor is present in an amount of about 30 to about 3,000 ppm.
9 . The composition of claim 6 wherein the inhibitor comprises at least one of d-limonene and α-terpinene.
10 . A method for heating or cooling using the composition of claim 6 .
11 . A container comprising the refrigerant composition of claim 1 .
12 . (canceled)
13 . (canceled)
14 . (canceled)
15 . A method of heat transfer wherein a working fluid is used to carry heat from a heat source to a heat sink, characterized by said working fluid comprising a composition of claim 1 .
16 . The method of claim 15 , wherein the working fluid is a refrigerant that undergoes a phase change from a liquid to a gas and back or vice versa.
17 . The composition of claim 4 further comprising a lubricant.
18 . The composition of claim 5 further comprising a lubricant.
19 . The method of claim 10 wherein the composition further comprises at least one member selected from the group consisting of 1243zf, 1140, 1234ze, trifluoropropyne, 225ca, 225cb, 227ea, and 152a and a lubricant.
20 . The method of claim 10 wherein the composition further comprises at least one member selected from the group consisting of 1234ze, 1243zf, Z-1336mzz, E-1336mzz, 1327mz, 1122, 1122a, 1123, 1233zd, 1224yd, E-1132, Z-1132, 1132a, 1112, E-1225ye, Z-1225ye, 1234zc, 1234ye, 1234yc, 1225zc, and 152a and a lubricant.
21 . The method of claim 15 wherein the composition further comprises at least one member selected from the group consisting of 1243zf, 1140, 1234ze, trifluoropropyne, 225ca, 225cb, 227ea, and 152a and a lubricant.
22 . The method of claim 15 wherein the composition further comprises at least one member selected from the group consisting of 1234ze, 1243zf, Z-1336mzz, E-1336mzz, 1327mz, 1122, 1122a, 1123, 1233zd, 1224yd, E-1132, Z-1132, 1132a, 1112, E-1225ye, Z-1225ye, 1234zc, 1234ye, 1234yc, 1225zc, and 152a and a lubricant.