HEAT TRANSFER COMPOSITIONS

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专利权人:

发明人:

LOW ROBERT ELLIOTT

申请号：

IN10275/DELNP/2012

公开号：

IN2012DN10275A

申请日:

2012.11.26

申请国别(地区):

IN

年份:

2016

代理人:

摘要：

The invention provides a heat transfer composition comprising: (i) 1 3 3 3 tetrafluoropropene (R 1234ze(E)) (ii) a second component selected from difluoromethane (R 32) propene (R 1270)propane (R290) and mixtures thereof (iii) a third component selected from pentafluoroethane (R 125) 1 1 1 2 tetrafluoroethane (R 134a) and mixtures thereof and optionally (iv) a fourth component selected from fluoroethane (R 161) 1 1 difluoroethane (R 152a) and mixtures thereof.

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