C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 3/30 (2006.01) C07C 17/25 (2006.01) C08J 9/14 (2006.01) C09K 5/04 (2006.01)
Patent
CA 2719741
Disclosed are compositions comprising HFC-245eb and at least one additional compound selected from the group consisting of HFO-1234ze, HFC-245fa, HFC-236cb, HFC-236ea, HFC-236fa, HFC- 227ea, HFC-227ca, HFO-1225yc, HFO-1225zc, HFO-1225ye, methane, ethane, propane, HFC-23, HFC-143a, HFC-134, HFC-134a, FC-1216, HFO-1234yf, HFC-254eb, HFO-1243zf, and HFC-254fb. Compositions comprising HFC-245eb are useful in processes to make HFO-1234yf. Also disclosed are compositions comprising HFO- 1234yf and at least one additional compound selected from the group consisting of HFO-1234ze, HFC-254eb, HFC-254fb, HFO-1243zf, HFCHFC-245eb, HFC-245fa, HFC- 245cb, HFC-236cb, HFC-236ea, HFC-236fa, HFC-227ea, HFC-227ca, HFO-1225yc, HFO-1225zc, HFO-1225ye, methane, ethane, propane, HFC-23, HFC-134, HFC-134a, HFO-1132a and FC-1216. Compositions comprising HFO-1234yf are useful as heat transfer compositions for use in refrigeration, air-conditioning and heat pump systems.
La présente invention concerne des compositions comprenant HFC-245eb et au moins un composé supplémentaire choisi dans le groupe formé par HFO-1234ze, HFC-245fa, HFC-236cb, HFC-236ea, HFC-236fa, HFC-227ea, HFC-227ca, HFO-1225yc, HFO-1225zc, HFO-1225ye, méthane, éthane, propane, HFC-23, HFC-143a, HFC-134, HFC-134a, FC-1216, HFO-1234yf, HFC-254eb, HFO-1243zf et HFC-254fb. Ces compositions comprenant HFC-245eb sont utilisées dans le cadre de processus de fabrication de HFO-1234yf. L'invention concerne également des compositions comprenant HFO-1234yf et au moins un composé supplémentaire choisi dans le groupe formé par HFO-1234ze, HFC-254eb, HFC-254fb, HFO-1243zf, HFCHFC-245eb, HFC-245fa, HFC-245cb, HFC-236cb, HFC-236ea, HFC-236fa, HFC-227ea, HFC-227ca, HFO-1225yc, HFO-1225zc, HFO-1225ye, méthane, éthane, propane, HFC-23, HFC-134, HFC-134a, HFO-1132a et FC-1216. Ces compositions comprenant HFO-1234yf sont utilisées comme compositions de transfert thermique dans des systèmes de réfrigération, de climatisation et de pompe à chaleur.
Knapp Jeffrey P.
Mahler Barry Asher
Nappa Mario Joseph
E. I. Du Pont de Nemours And Company
Torys Llp
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