The present invention relates to a composition comprising HFO-1234yf, or trans-HFO-1234ze, or a mixture thereof; HFC-32; and HFC-152a, HFO-1243zf, or a mixture thereof, wherein said composition is selected from the group consisting of:
(I) a first composition, wherein said HFO-1234yf or trans-HFO-1234ze or a mixture thereof is at least 56 weight percent of said first composition;
(II) a second composition, wherein said HFC-32 is at most 29 weight percent of said second composition;
(III) a third composition, wherein said HFC-152a is at least 56 weight percent said third composition;
(IV) a fourth composition, wherein said HFC-32 is at least 56 weight percent of said fourth composition;
(V) a fifth composition comprising trans-HFO-1234ze, HFC-32, and HFC-152a, HFO-1243zf, or a mixture thereof; and
(VI) a sixth composition, wherein said HFO-1243zf or mixture thereof with HFC-152a is at most 20 weight percent of said sixth composition.
本发明涉及一种由 HFO-1234yf 或反式
HFO-1234ze 或其混合物、
HFC-32 和 HFC-152a、HFO-1243zf 或其混合物组成的组合物,其中所述组合物选自以下组别:
(I) 第一种组合物,其中所述 HFO-1234yf 或反式
HFO-1234ze 或其混合物至少占所述第一种组合物的 56%;
(II) 第二种组合物,其中所述
HFC-32 至多占所述第二种组合物的 29%;
(III) 第三种组合物,其中所述 HFC-152a 至少占所述第三种组合物的 56%;
(IV) 第四种组合物,其中所述
HFC-32 占所述第四种组合物的至少 56% 重量比;
(V) 第五种组合物,包括反式-
HFO-1234ze、
HFC-32 和 HFC-152a、HFO-1243zf 或其混合物;以及
(VI) 第六种组合物,其中所述 HFO-1243zf 或其与 HFC-152a 的混合物最多占所述第六种组合物的 20%。