Composition for heat cycle system, and heat cycle system
AssigneeAsahi Glass Company, Limited
InventorsMasato Fukushima, Hiroaki Mitsuoka, Mai Tasaka, Daisuke Shirakawa, Hirokazu Takagi, Takeaki Arai
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Abstract
A composition for a heat cycle system and a heat cycle system employing the composition are provided. The composition has favorable lubricating properties and contains a working fluid for heat cycle and a refrigerant oil. The working fluid contains an unsaturated fluorinated hydrocarbon compound having a specific structure. The working fluid has a low global warming potential and can replace R410A. The refrigerant oil has a breakdown voltage of at least 25 kV, a hydroxyl value of at most 0.1 mgKOH/g, and an aniline point of at least −100° C. and at most 0° C.
Claims15
A composition for a heat cycle system, comprising:
- a working fluid for heat cycle containing at least one unsaturated fluorinated hydrocarbon compound of formula (I), which contains at least one carbon-carbon unsaturated bond, and
- a refrigerant oil having a breakdown voltage of at least 25 kV, a hydroxyl value of at most 0.1 mgKOH/g, and an aniline point temperature of at least −100° C. and at most 0° C.:
- CxFyRz (I)
- where R is H or Cl, x is an integer of from 2 to 6, y is an integer of from 1 to 12, and z is an integer of from 0 to 11, provided that 2x≥y+z≥2,
- wherein the refrigerant oil does not comprise an ether refrigerant oil.
Dependencies are inferred from the claim text.