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A kind of composition refrigerant containing perfluoromethyl vinyl ether

A technology of perfluoromethyl vinyl ether and fluoromethyl vinyl ether, applied in the field of refrigerants, can solve problems such as rubber corrosion, corrosion, large bubble dew point temperature difference, etc., and achieve small safety hazards, good cooling effect, and low GWP Effect

Active Publication Date: 2020-11-03
东阳市巍华制冷材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Since R152a, R290, R1270, R600a, and dimethyl ether are all flammable substances, the mixture of these substances has strong flammability; although the addition of R134a can inhibit its flammability to a certain extent, the composition of Multivariate mixtures are all non-azeotropes, with a large bubble and dew point temperature difference
In addition, dimethyl ether has a certain corrosive effect on rubber, so the mixed refrigerant containing dimethyl ether may have a certain corrosive effect on the rubber seals of refrigeration equipment and components during use.

Method used

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  • A kind of composition refrigerant containing perfluoromethyl vinyl ether

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] Physically mix 40% of 1,1,1,2-tetrafluoroethane, 40% of propylene, and 20% of perfluoromethyl vinyl ether as a refrigerant.

Embodiment 2

[0058] 50% of 1,1,1,2-tetrafluoroethane, 35% of propylene, and 15% of perfluoromethyl vinyl ether are physically mixed as a refrigerant.

[0059] Implementation 3:

[0060] Physically mix 60% of 1,1,1,2-tetrafluoroethane, 30% of propylene, and 10% of perfluoromethyl vinyl ether as a refrigerant.

Embodiment 4

[0062] Physically mix 65% of 1,1,1,2-tetrafluoroethane, 30% of propylene, and 5% of perfluoromethyl vinyl ether as a refrigerant.

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PUM

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Abstract

The invention discloses a composition refrigerant containing perfluoromethyl vinyl ether. The composition refrigerant is formed by mixing the following raw materials in percentages by mass: 30% to 75%of 1,1,1,2-tetrafluoroethane, 20% to 50% of propylene and 5% to 20% of perfluoromethyl vinyl ether. According to the refrigerant disclosed by the invention, a preparation method of the refrigerant comprises the step of performing physical mixing on the components in percentages by mass. The refrigerant can be used for refrigeration and cold storage of domestic, commercial and vehicle air conditioner and food.

Description

technical field [0001] The invention relates to the technical field of refrigerants, in particular to a composite refrigerant containing perfluoromethyl vinyl ether. Background technique [0002] Hydrofluorocarbon (HFC) and its composition refrigerants are widely used in household, commercial, car air-conditioning and food freezing and refrigeration, such as 1,1,1,2-tetrafluoroethane (R134a), R410A , R407C, etc., but hydrofluorocarbon (HFC) and its mixture refrigerants are under increasing pressure under the current global environmental protection trend due to their high global warming potential (GWP). [0003] Chinese patent CN201410227795.X discloses a mixed hydrocarbon refrigerant consisting of 81-99% by weight of R1270 (propylene), 0.5-10% of R600a (isobutane), and 0.5-20% of R290 (propane). composition. The mixed hydrocarbon (HC) refrigerant can directly replace the monochlorodifluoromethane (R22) refrigerant, and is more energy-saving than R22. [0004] Chinese pate...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K5/04
CPCC09K5/045C09K2205/112C09K2205/12C09K2205/122
Inventor 吴礼光杜国浩孙更生
Owner 东阳市巍华制冷材料有限公司