Base oil for refrigerated machine oil composition, refrigerated machine oil composition, composition for refrigerating, and refrigerating method

A technology for refrigerating machine oil and composition, which is applied in the field of base oil for refrigerating machine oil composition and refrigerating machine oil composition, which can solve the problems of low energy saving effect, poor compatibility of R600A, etc., and achieve low viscosity, excellent solubility, and good thermochemistry The effect of stability

Active Publication Date: 2015-03-18
BEIJING FRIENDLINK PETROCHEM T&D CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The purpose of the present invention is to provide a base oil and a base oil for refrigerating machine oil compositions with good energy saving effect and good compatibility with R600A in order to overcome the disadvantages of low energy-saving effect of the prior art refrigerating machine oil composition or poor compatibility with R600A Refrigeration machine oil composition, a composition for refrigeration and a method for refrigeration

Method used

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  • Base oil for refrigerated machine oil composition, refrigerated machine oil composition, composition for refrigerating, and refrigerating method
  • Base oil for refrigerated machine oil composition, refrigerated machine oil composition, composition for refrigerating, and refrigerating method
  • Base oil for refrigerated machine oil composition, refrigerated machine oil composition, composition for refrigerating, and refrigerating method

Examples

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preparation example Construction

[0034] The preparation of the refrigerating machine oil composition of the present invention has no special requirements, as long as the base oil for the refrigerating machine oil composition is mixed with the additives, the base oil for the refrigerating machine oil composition can be obtained first, and then mixed with the additives, or the composition can be directly refrigerated The components of the base oil for the machine oil composition are directly mixed with the additives to obtain the refrigerating machine oil composition, which is not particularly required in the present invention.

[0035] According to the refrigerating machine oil composition provided by the present invention, the additives and their contents can be various conventional additives and their conventional contents used in refrigerating machine oil compositions. For example, the additives may be lubricants for improving the lubricating performance of refrigerating machine oil, friction reducing agents...

Embodiment 1

[0050] This example is used to illustrate the refrigerating machine oil composition and its preparation method provided by the present invention.

[0051] Mix benzene and hexene-1 at a molar ratio of 1.1:1, add 2% by weight (relative to the weight of benzene and hexene-1) super strong solid acid as a catalyst and react at 100°C for 2 hours, then remove the solid acid and Unreacted benzene, distill out the reaction product. The resulting product is a mixture of hexylbenzene and its isomers.

[0052] Add α-octene to a pressure-resistant reactor, inject BF3-n-butanol with a concentration of 1.5% by weight relative to 2% by weight of α-olefin as a catalyst, and polymerize at 100°C and 12 psig for 2 hours, after cooling Add water to wash and remove the catalyst, steam the reaction product, and then hydrogenate and saturate (using nickel / diatomaceous earth as a catalyst, the nickel content is 5% by weight of the total amount of the catalyst), to obtain α-octene dimers (isoparaffins...

Embodiment 2

[0055] This example is used to illustrate the refrigerating machine oil composition and its preparation method provided by the present invention.

[0056] Mix benzene and heptene-1 at a molar ratio of 1.1:1, add 1% by weight (relative to the weight of benzene and heptene-1) super strong solid acid as a catalyst, react at 130°C for 1 hour, and then remove the solid Acid and unreacted benzene, distill out the reaction product. The resulting product is a mixture of heptylbenzene and its isomers.

[0057] 80 parts by weight of benzyltoluene, 10 parts by weight of the heptylbenzene prepared above, and 10 parts by weight of α-octene dimer (the preparation method is the same as in Example 1) (the weight ratio of heptylbenzene to isoparaffin is 1: 1) Mix base oil to form a refrigerating machine oil composition, and then add 0.2 parts by weight of 2,6-di-tert-butyl-p-cresol, 3.5 parts by weight of tricresyl phosphate, 0.18 parts by weight of ethylene glycol oleate and 0.04 parts by we...

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Abstract

The invention discloses base oil for a refrigerated machine oil composition; the base oil disclosed by the invention is characterized in that the kinematic viscosity of the base oil at 40 DEG C is below 3 SM / S; the base oil is a mixture of an aromatic compound represented by the formula (1) and alkylbenzene with the total carbon atom number of 12-15 and / or isoparaffin with the total carbon atom number of 14-18, wherein R1 and R2 are independently H or C1-C4 alkyl respectively; and R1 and R2 are same or different. The invention further provides a refrigerated machine oil composition, a composition for refrigerating, and a refrigerating method. The refrigerated machine oil composition provided by the invention not only has good intermiscibility and thermal and chemical stability of an R600 A refrigerating agent, but also has lower viscosity, higher flashing point, good low-temperature fluidity, good lubricity and lower friction coefficient; and thus, the base oil has the obvious energy-saving effect. The formula I is as shown in the specification.

Description

technical field [0001] The present invention relates to a base oil for a refrigerating machine oil composition, a refrigerating machine oil composition, a refrigerating composition and a refrigerating method Background technique [0002] The compression refrigeration system is composed of a refrigeration compressor, a condenser, an expansion valve, an evaporator, etc. The working principle is to use the refrigerant to vaporize and volatilize, absorb the heat of the surrounding medium, reduce the temperature for cooling, and then pass the refrigerant to the air through the compressor. It returns to liquid, then gasifies again, and the cycle repeats. This kind of refrigeration system is widely used in household appliances such as refrigerators and air conditioners, industrial equipment such as cold stores and cold rooms, and commercial equipment such as showcases, beverage and ice cream machines. The compressor is the heart of this kind of refrigeration system, and the refrig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M105/06C10N20/02C10N40/30
Inventor 汪孟言
Owner BEIJING FRIENDLINK PETROCHEM T&D CO LTD
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