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US 2022/0033607 A1Published application
Compositions comprising 1,2-dichloro-1,2-difluoroethylene for use in foam blowing applications
AssigneeThe Chemours Company Fc, LLC
InventorsLUKE DAVID SIMONI, ERNEST BYRON WYSONG, KONSTANTINOS KONTOMARIS, VIACHESLAV A PETROV
Life of this patent
Estimating the term…
Abstract
This invention relates to compositions comprising 1,2-dichloro-1,2-difluoroethylene (i.e., CFO-1112) and an additional component. The compositions described herein may be useful, for example, in foam blowing applications.
Claims37
A process for preparing a thermoplastic polymer foam, the process comprising:
- (a) providing a foamable composition comprising a thermoplastic polymer and a blowing agent, wherein the blowing agent comprises
- i) 1,2-dichloro-1,2-difluoroethylene, and
- ii) one or more compounds selected from 2-chloropropane, trans-1,2-dichloroethylene, n-propane, cyclopropane, n-butane, cyclobutane, iso-butane, n-pentane, cyclopentane, iso-pentane, neo-pentane, carbon dioxide, nitrogen, argon, water, methanol, ethanol, n-propanol, iso-propanol, dimethyl ether, ethyl methyl ether, diethyl ether, dimethoxymethane, methyl acetate, ethyl acetate, methyl formate, ethyl formate, ethylene oxide, propylene oxide, fluorinated epoxides, HFC-32, HFC-134a, HFC-134, HFC-152a, HFC-227ca, HFC-227ea, HFC-236ea, HFC-245ca, HFC-245eb, HFC-245cb, HFC-245ea, HFC-245fa, HFC-365mfc, HFC-43-10mee HFO-1234ye-E, HFO-1234ye-Z, HFO-1234yf, HFO-1234ze-E, HFO-1234ze-Z, HFO-1243zf, HFO-1336mzz-E, HFO-1336mzz-Z, HFO-1336yf, HFO-1336ze-E, HFO-1336ze-Z, HFO-1345mzz-E, HFO-1429mzy, HFO-1438ezy-E, HFO-1438ezy-Z, HFO-1438mzz-E, HFO-1438mzz-Z, HFO-153-10mzzy, HCFO-1224yd-E, HCFO-1224yd-Z, HCFO-1233xf, HCFO-1233zd-E, and HCFO-1233zd-Z, and
- (b) expanding the foamable composition to produce the thermoplastic polymer foam.
1 more element
2-10. (canceled)
15-18. (canceled)
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A thermoplastic polymer foam, comprising:
- (a) a thermoplastic polymer selected from the group consisting of polystyrene homopolymer, a polystyrene copolymer, and styrene-acrylonitrile copolymer, or a blend thereof;
- and
- (b) a blowing agent comprising:
- i) 1,2-dichloro-1,2-difluoroethylene, and
- ii) one or more compounds selected from 2-chloropropane, trans-1,2-dichloroethylene, n-propane, cyclopropane, n-butane, cyclobutane, iso-butane, n-pentane, cyclopentane, iso-pentane, neo-pentane, carbon dioxide, nitrogen, argon, water, methanol, ethanol, n-propanol, iso-propanol, dimethyl ether, ethyl methyl ether, diethyl ether, dimethoxymethane, methyl acetate, ethyl acetate, methyl formate, ethyl formate, ethylene oxide, propylene oxide, fluorinated epoxides, HFC-32, HFC-134a, HFC-134, HFC-152a, HFC-227ca, HFC-227ea, HFC-236ea, HFC-245ca, HFC-245eb, HFC-245cb, HFC-245ea, HFC-245fa, HFC-365mfc, HFC-43-10mee HFO-1234ye-E, HFO-1234ye-Z, HFO-1234yf, HFO-1234ze-E, HFO-1234ze-Z, HFO-1243zf, HFO-1336mzz-E, HFO-1336mzz-Z, HFO-1336yf, HFO-1336ze-E, HFO-1336ze-Z, HFO-1345mzz-E, HFO-1429mzy, HFO-1438ezy-E, HFO-1438ezy-Z, HFO-1438mzz-E, HFO-1438mzz-Z, HFO-153-10mzzy, HCFO-1224yd-E, HCFO-1224yd-Z, HCFO-1233xf, HCFO-1233zd-E, and HCFO 1233zd Z.
2 more elements
25-31. (canceled)
A process for preparing a polymer foam, the process comprising reacting or extruding a foamable composition comprising a polymer and a blowing agent under conditions effective to form a foam, wherein the blowing agent comprises:
- i) 1,2-dichloro-1,2-difluoroethylene, and
- ii) one or more compounds selected from 2-chloropropane, trans-1,2-dichloroethylene, n-propane, cyclopropane, n-butane, cyclobutane, iso-butane, n-pentane, cyclopentane, iso-pentane, neo-pentane, carbon dioxide, nitrogen, argon, water, methanol, ethanol, n-propanol, iso-propanol, dimethyl ether, ethyl methyl ether, diethyl ether, dimethoxymethane, methyl acetate, ethyl acetate, methyl formate, ethyl formate, ethylene oxide, propylene oxide, fluorinated epoxides, HFC-32, HFC-134a, HFC-134, HFC-152a, HFC-227ca, HFC-227ea, HFC-236ea, HFC-245ca, HFC-245eb, HFC-245cb, HFC-245ea, HFC-245fa, HFC-365mfc, HFC-43-10mee HFO-1234ye-E, HFO-1234ye-Z, HFO-1234yf, HFO-1234ze-E, HFO-1234ze-Z, HFO-1243zf, HFO-1336mzz-E, HFO-1336mzz-Z, HFO-1336yf, HFO-1336ze-E, HFO-1336ze-Z, HFO-1345mzz-E, HFO-1429mzy, HFO-1438ezy-E, HFO-1438ezy-Z, HFO-1438mzz-E, HFO-1438mzz-Z, HFO-153-10mzzy, HCFO-1224yd-E, HCFO-1224yd-Z, HCFO-1233xf, HCFO-1233zd-E, and HCFO-1233zd-Z.
36-38. (canceled)
44-45. (canceled)
(canceled)
49-50. (canceled)
(canceled)
(canceled)
57-58. (canceled)
A composition comprising:
- i) 1,2-dichloro-1,2-difluoroethylene, and
- ii) one or more compounds selected from 2-chloropropane, n-propane, cyclopropane, n-butane, cyclobutane, iso-butane, cyclopentane, neo-pentane, water, methanol, ethanol, n-propanol, iso-propanol, dimethyl ether, ethyl methyl ether, diethyl ether, dimethoxymethane, methyl acetate, ethyl acetate, methyl formate, ethyl formate, ethylene oxide, propylene oxide, fluorinated epoxides, HFC-227ca, HFC-236ea, HFC-245ca, HFC-245eb, HFC-245cb, HFC-245ea, HFC-365mfc, HFC-4310mee HFO-1234ye-E, HFO-1234ye-Z, HFO-1243zf, HFO-1336ze-Z, HFO-1345mzz-E, HFO-1429mzy, HFO-1438ezy-E, HFO-1438ezy-Z, HFO-1438mzz-Z, HFO-153-10mzzy, HCFO-1224yd-E, HCFO-1233xf, and HCFO-1233zd-Z.
Dependencies are inferred from the claim text.