Stabilized Iodocarbon Compositions
First Claim
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1. A heat transfer composition comprising:
- (a) at least one iodocarbon; and
(b) at least one diene-based compound in an amount effective to stabilize said at least one iodocarbon against degradation.
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Abstract
Disclosed are compositions comprising at least one iodocarbon compound and preferably at least one stabilization agent comprising a diene-based compound. These compositions are generally useful as refrigerants for heating and cooling, as blowing agents, as aerosol propellants, as solvent composition, and as fire extinguishing and suppressing agents.
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Citations
84 Claims
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1. A heat transfer composition comprising:
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(a) at least one iodocarbon; and (b) at least one diene-based compound in an amount effective to stabilize said at least one iodocarbon against degradation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. An iodocarbon containing composition stabilized against decomposition of carbon-iodine bonds comprising:
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(a) at least one iodocarbon; and (b) at least one diene-based composition in an amount effective to stabilize said at least one iodocarbon against degradation. - View Dependent Claims (24, 25, 26, 27, 28, 49, 64, 65, 81, 82, 83, 84)
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29. A method of stabilizing a composition comprising providing an iodocarbon containing composition and contacting said composition with a diene-based compound.
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30. A heat transfer composition comprising:
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(a) at least one fluoroalkene of Formula I;
XCFzR3-z
(I)where X is a C2 or a C3 unsaturated, substituted or unsubstituted, alkyl radical, R is independently Cl, F, Br, I or H, and z is 1 to 3; (b) at least one iodocarbon. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 52, 53, 77)
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- 50. A heat transfer composition comprising iodofluorocarbon and at least one compounds selected from the group consisting of difluoromethane (HFC-32), pentafluoroethane (HFC-125), 1,1,2,2-tetrafluoroethane (HFC-134), 1,1,1,2-tetrafluoroethane (HFC-134a), difluoroethane (HFC-152a), 1,1,1,2,3,3,3-Heptafluoropropane (HFC-227ea), 1,1,1,3,3,3-hexafluoropropane (HFC-236fa), 1,1,1,3,3-pentafluoropropane (HFC-245fa), 1,1,1,3,3-pentafluorobutane (HFC-365mfc), water, CO2 and combinations of two or more of these.
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54. A method of replacing an existing refrigerant contained in a refrigerant system comprising replacing at least a portion of said existing refrigerant from said system and replacing at least a portion of said existing refrigerant by introducing into said system a refrigerant composition comprising at least one iodocarbon compound and at least one fluoroalkene of Formula I:
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XCFzR3-z
(I)where X is a C2 or a C3 unsaturated, substituted or unsubstituted, alkyl radical, R is independently Cl, F, Br, I or H, and z is 1 to 3. - View Dependent Claims (55, 56, 57, 58, 59)
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60. A foamable composition comprising a foamable polymer or prepolymer and a blowing agent comprising at least one fluoroalkene of Formula I:
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XCFzR3-z
(I)where X is a C2 or a C3 unsaturated, substituted or unsubstituted, alkyl radical, R is independently Cl, F, Br, I or H, and z is 1 to 3, said blowing agent further comprising at least one iodocarbon compound. - View Dependent Claims (61, 62)
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63. A foam premix composition comprising polymer or a prepolymer and a blowing agent comprising an iodocarbon compound and at least one fluoroalkene of Formula I:
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XCFzR3-z
(I)where X is a C2 or a C3 unsaturated, substituted or unsubstituted, alkyl radical each R is independently Cl, F, Br, I or H and z is 1 to 3, said foam.
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66. A heat transfer composition comprising:
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(a) at least one iodocarbon; (b) a hydrofluorocarbon; and (c) at least one diene-based stabilizer. - View Dependent Claims (67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 78, 79, 80)
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Specification