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Invention Publication
CN102712837A 传热组合物 失效 - 权利终止

传热组合物
Abstract:
本发明提供一种传热组合物，其包含(i)约45wt％-约75wt％的2，3，3，3-四氟丙烯(R-1234yf)；和(ii)约25wt％-约55wt％的1，1，1，2-四氟乙烷(R-134a)。还提供一种传热组合物，其包含以下组分，或任选地基本由其组成：(i)约20-约90wt％的R-1234yf；(ii)约10-约60wt％的R-134a；和(iii)约1-约20wt％的R-32。
Abstract(English):

The invention provides a heat transfer composition comprising (i) from about 45 to about 75 % by weight 2,3,3,3-tetrafluoropropene (R-1234yf); and (ii) from about 25 to about 55 % by weight 1,1,1,2-tetrafluoroethane (R-134a). A heat transfer composition comprising, optionally consisting essentially of, (i) from about 20 to about 90 % by weight R-1234yf; (ii) from about 10 to about 60 % by weight R-134a; and (iii) from about 1 to about 20 % by weight R-32 is also provided.

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