CN106047447A - Method for improving intermiscibility of refrigerant lubricant and refrigerant and preparation of refrigerant lubricant - Google Patents

Method for improving intermiscibility of refrigerant lubricant and refrigerant and preparation of refrigerant lubricant Download PDF

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Publication number
CN106047447A
CN106047447A CN201610358718.7A CN201610358718A CN106047447A CN 106047447 A CN106047447 A CN 106047447A CN 201610358718 A CN201610358718 A CN 201610358718A CN 106047447 A CN106047447 A CN 106047447A
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CN
China
Prior art keywords
nanoparticle
molybdenum
cerium
stannum
cold
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610358718.7A
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Chinese (zh)
Inventor
赵建平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUHAN GESUN LUBRICANT TECHNOLOGY Co Ltd
Original Assignee
WUHAN GESUN LUBRICANT TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by WUHAN GESUN LUBRICANT TECHNOLOGY Co Ltd filed Critical WUHAN GESUN LUBRICANT TECHNOLOGY Co Ltd
Priority to CN201610358718.7A priority Critical patent/CN106047447A/en
Publication of CN106047447A publication Critical patent/CN106047447A/en
Pending legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/62—Metallic pigments or fillers
    • C09C1/627—Copper
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/06—Treatment with inorganic compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
    • C10M105/02—Well-defined hydrocarbons
    • C10M105/06—Well-defined hydrocarbons aromatic
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
    • C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
    • C10M105/32—Esters
    • C10M105/38—Esters of polyhydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
    • C10M125/04—Metals; Alloys
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/30—Refrigerators lubricants or compressors lubricants

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Lubricants (AREA)

Abstract

The invention relates to a method for improving the intermiscibility of a refrigerant lubricant and a refrigerant. The method includes the steps of firstly, modifying nano particles with stearic acid, and performing vacuum drying; secondly, adding the nano particles obtained in the first step into the mixture of alkylated aromatic hydrocarbon and polyhydroxyl ester, and performing oscillation dispersing, wherein the nano particles are nano particles containing copper, tin, cerium or molybdenum. The refrigerant lubricant obtained by the method has good intermiscibility with hydrocarbon refrigerants, and the system formed by the refrigerant lubricant has good lubricating performance, electrical insulating property and stability.

Description

Improve refrigerator oil to prepare with cold-producing medium intermiscibility method and refrigerator oil thereof
Technical field
The present invention relates to refrigerating field, a kind of method improving intermiscibility between refrigerator oil and cold-producing medium and employing should Refrigerator oil prepared by method.
Background technology
Start to find that CFCs class material has serious destruction, Ren Menkai to atmospheric ozone layer since the seventies in last century Begin to find nonpolluting cold-producing medium to start to substitute.Refrigerator oil, along with the replacement development of cold-producing medium, uses different systems Cold working medium, and the type of the refrigerator oil adapted from it is different, present stage China's refrigeration industry, by technical limitations, exists multiple Working medium, the old and new's cold-producing medium the general layout deposited.Under this new general layout, cold-producing medium with the experimental result of refrigerator oil intersolubility is Evaluate the important evidence of refrigerant replacement scheme.
Hydrocarbon refrigerant increasingly receives publicity as novel environment friendly refrigerating fluid, traditional mineral refrigeration oil and hydrocarbon Class matching refrigerant poor performance, if using Esters oil, owing to Esters oil is strongly active dose, water absorption and water-disintegrable the strongest, and And the lubricity of system that Esters oil is formed with hydrocarbon refrigerant is poor, and system material can be caused to mix, floccule precipitation, expand The problems such as device blocking.
Showing after deliberation, the nanoparticle of particular medium can effectively improve the intermiscibility of cold-producing medium and refrigerator oil and ask Topic, fundamentally changing hydrocarbon refrigerant is feasible to the dependence of polyethers or esters refrigerator oil.
Summary of the invention
The present invention provides a kind of method improving refrigerator oil and cold-producing medium intermiscibility, and cold-producing medium therein is hydro carbons refrigeration Agent, the fridge machine oil base oil that this cold-producing medium uses is alkylated aromatic hydrocarbons and multi-hydroxy ester mixture, the feature of this method It is:
(1) nanoparticle is carried out surface modification: added by nanoparticle containing stearic acid and time distilled water of sub-acid sodium and second In the mixed liquor of alcohol, constant temperature 70 DEG C reacts 3 hours, is vacuum dried by product centrifuge washing；
(2), after adding the nanoparticle modified through surface and conventional additives in refrigerator oil base oil, ultrasonic vibration makes It is fully dispersed；
The size of the nanoparticle wherein added is between 1nm to 100nm；Nanoparticle and additive account for refrigerator oil quality Mark is in the range of 0.1% ~ 20%；The nanoparticle added is for containing copper or tin element or Ce elements or molybdenum element In a kind of nanoparticle or several mix nanoparticles.
The described method improving refrigerator oil and cold-producing medium intermiscibility, it is characterised in that the nanoparticle added is Copper or stannum or cerium or the metal oxide particle of molybdenum, or containing copper or stannum or cerium or the metal oxide particle of molybdenum Mixture.
The method improving refrigerator oil and cold-producing medium intermiscibility described in root, it is characterised in that the nanoparticle added is Copper or stannum or cerium or the nitrate particle of molybdenum, or containing copper or the mixing of the nitrate particle of stannum or cerium or molybdenum Thing.
The described method improving refrigerator oil and cold-producing medium intermiscibility, it is characterised in that the nanoparticle added is Copper or stannum or cerium or the phosphate particle of molybdenum, or containing copper or the mixing of the phosphate particle of stannum or cerium or molybdenum Thing.
The described method improving refrigerator oil and cold-producing medium intermiscibility, it is characterised in that the nanoparticle added is The hydrochlorate particle of copper or stannum or cerium or molybdenum, or containing copper or the mixing of the hydrochlorate particle of stannum or cerium or molybdenum Thing.
Described refrigerator oil base oil is alkylated aromatic hydrocarbons and multi-hydroxy ester mixture, it is characterised in that described mixture It is 2 ~ 100mm at the kinematic viscositys of 40 DEG C2/s。
Described alkylated aromatic hydrocarbons is straight or branched, and its molecular weight is 210 ~ 350.
Described multi-hydroxy ester is neopentyl multi-hydroxy ester.
Described additive includes the one in extreme pressure anti-wear additives, antioxidant, oiliness improver, corrosion inhibitor, anti-foaming agent agent Or it is several.
The present invention provides one to improve intermiscibility and deliquescent refrigerator oil between hydrocarbon refrigerant and refrigerator oil.This freezing Machine oil contains nanoparticle, with the mutual dissolubility that hydrocarbon refrigerant has appropriateness.
Accompanying drawing explanation
Fig. 1 is the contrast of dissolubility under two kinds of lubricating system temperature the same terms.
Fig. 2 is dissolubility contrast under two kinds of lubricating system pressure the same terms.
Specific implementation method
Specific implementation method:
Take 100ml distilled water and dehydrated alcohol mixing (both volume ratios are 1:1), add in reaction vessel, at 70 DEG C of constant temperature In the case of add 2.8g stearic acid and 1.4g sodium hypophosphite, regulate mixed solution pH to 1 ~ 2, add 0.01mol/L copper sulfate Solution, successive reaction 2 hours, filter, with distilled water, absolute ethanol washing, remove the removal of impurity and unreacted stearic acid, vacuum is done Dry, prepare the Nanometer Copper powder through Stearate Modified.
Adding nanometer copper particle and additive in alkylated aromatic hydrocarbons and multi-hydroxy ester mixture, ultrasonic vibration makes it abundant It is dispersed in lubricating oil.
Fig. 1 and Fig. 2 is shown in the dissolubility contrast under the conditions of mutually synthermal and uniform pressure of two kinds of lubricating systems.
Prepared refrigerator oil is injected in the compressor containing R290 cold-producing medium that model is DSM160D*UDZ and carries out Accelerated life test in 500 hours.
Table 1 is main performance data before and after accelerated test.
Table 1.
The method provided according to invention, common refrigerator oil, after adding nanoparticle, nanoparticle is at refrigerator oil In there is good dispersibility, stability and electrical insulation capability, and to the intermiscibility of appropriateness concrete to hydrocarbon refrigerant and appropriateness Dissolubility, refrigeration system recognize in lubricating oil can be good at reflux compressor.
The superior implementation of the present invention described in detail above, but, the present invention is not limited in above-mentioned implementation Detail, in the technology concept of the present invention, technical scheme can be carried out multiple simple modification, These simple variant belong to protection scope of the present invention.

Claims (9)

1. the method improving refrigerator oil and cold-producing medium intermiscibility, cold-producing medium therein is hydrocarbon refrigerant, this cold-producing medium The fridge machine oil base oil used is alkylated aromatic hydrocarbons and multi-hydroxy ester mixture, and the feature of this method is:
(1) nanoparticle is carried out surface modification: added by nanoparticle containing stearic acid and time distilled water of sub-acid sodium and second In the mixed liquor of alcohol, constant temperature 70 DEG C reacts 3 hours, is vacuum dried by product centrifuge washing；
(2), after adding the nanoparticle modified through surface and conventional additives in refrigerator oil base oil, ultrasonic vibration makes It is fully dispersed；
The size of the nanoparticle wherein added is between 1nm to 100nm；Nanoparticle and additive account for refrigerator oil quality Mark is in the range of 0.1% ~ 20%；The nanoparticle added is for containing copper or tin element or Ce elements or molybdenum element In a kind of nanoparticle or several mix nanoparticles.
The method improving refrigerator oil and cold-producing medium intermiscibility the most according to claim 1, the nanoparticle wherein added Son is copper or stannum or cerium or the metal oxide particle of molybdenum, or containing copper or stannum or cerium or the metal-oxide of molybdenum The mixture of particle.
The method improving refrigerator oil and cold-producing medium intermiscibility the most according to claim 1, the nanoparticle wherein added Son is copper or stannum or cerium or the nitrate particle of molybdenum, or the nitrate particle containing copper or stannum or cerium or molybdenum is mixed Compound.
The method improving refrigerator oil and cold-producing medium intermiscibility the most according to claim 1, the nanoparticle wherein added Son is copper or stannum or cerium or the phosphate particle of molybdenum, or the phosphate particle containing copper or stannum or cerium or molybdenum is mixed Compound.
The method improving refrigerator oil and cold-producing medium intermiscibility the most according to claim 1, the nanoparticle wherein added Son is the hydrochlorate particle of copper or stannum or cerium or molybdenum, or the hydrochlorate particle containing copper or stannum or cerium or molybdenum is mixed Compound.
Refrigerator oil base oil the most according to claim 1 is alkylated aromatic hydrocarbons and multi-hydroxy ester mixture, described mixing Thing is 2 ~ 100mm at the kinematic viscosity of 40 DEG C2/s。
Alkylated aromatic hydrocarbons the most according to claim 1 is straight or branched, and its molecular weight is 210 ~ 350.
Multi-hydroxy ester the most according to claim 1 is neopentyl multi-hydroxy ester.
Additive the most according to claim 1 includes extreme pressure anti-wear additives, antioxidant, oiliness improver, corrosion inhibitor, anti-foaming agent One or several in agent.
CN201610358718.7A 2016-05-27 2016-05-27 Method for improving intermiscibility of refrigerant lubricant and refrigerant and preparation of refrigerant lubricant Pending CN106047447A (en)

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Application Number Priority Date Filing Date Title
CN201610358718.7A CN106047447A (en) 2016-05-27 2016-05-27 Method for improving intermiscibility of refrigerant lubricant and refrigerant and preparation of refrigerant lubricant

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Application Number Priority Date Filing Date Title
CN201610358718.7A CN106047447A (en) 2016-05-27 2016-05-27 Method for improving intermiscibility of refrigerant lubricant and refrigerant and preparation of refrigerant lubricant

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114250096A (en) * 2021-11-30 2022-03-29 盘锦北方沥青股份有限公司 Complex ester type nano refrigerator oil and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1473916A (en) * 2003-05-21 2004-02-11 北京建筑工程学院 Method for improving miscibility of refrigerating machine oil and refrigerant and refrigerating machine oil prepared by said method
CN105505540A (en) * 2016-01-04 2016-04-20 武汉杰生润滑科技有限公司 Refrigerating oil composition and application thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1473916A (en) * 2003-05-21 2004-02-11 北京建筑工程学院 Method for improving miscibility of refrigerating machine oil and refrigerant and refrigerating machine oil prepared by said method
CN105505540A (en) * 2016-01-04 2016-04-20 武汉杰生润滑科技有限公司 Refrigerating oil composition and application thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114250096A (en) * 2021-11-30 2022-03-29 盘锦北方沥青股份有限公司 Complex ester type nano refrigerator oil and preparation method thereof

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