HK37594A - Compositions and process of using in refrigeration - Google Patents

Compositions and process of using in refrigeration Download PDF

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Publication number
HK37594A
HK37594A HK37594A HK37594A HK37594A HK 37594 A HK37594 A HK 37594A HK 37594 A HK37594 A HK 37594A HK 37594 A HK37594 A HK 37594A HK 37594 A HK37594 A HK 37594A
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HK
Hong Kong
Prior art keywords
hfc
refrigerant
composition
oil
fluorinated hydrocarbon
Prior art date
Application number
HK37594A
Other languages
German (de)
English (en)
Inventor
Michael Deebs Thomas
Keith Henry George
Lee Bergmann Heather
Original Assignee
E.I. Du Pont De Nemours And Company
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Filing date
Publication date
Application filed by E.I. Du Pont De Nemours And Company filed Critical E.I. Du Pont De Nemours And Company
Publication of HK37594A publication Critical patent/HK37594A/en

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    • 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
    • C10M111/00—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential
    • C10M111/04—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential at least one of them being a macromolecular organic compound
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    • C10M5/00—Solid or semi-solid compositions containing as the essential lubricating ingredient mineral lubricating oils or fatty oils and their use
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    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/02—Materials undergoing a change of physical state when used
    • C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
    • C09K5/041—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems
    • C09K5/044—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds
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    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/02—Materials undergoing a change of physical state when used
    • C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
    • C09K5/041—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems
    • C09K5/044—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds
    • C09K5/045—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds containing only fluorine as halogen
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    • C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
    • C10M105/50—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing halogen
    • C10M105/52—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing halogen containing carbon, hydrogen and halogen only
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    • C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
    • C10M107/38—Lubricating compositions characterised by the base-material being a macromolecular compound containing halogen
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    • C10M131/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing halogen
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    • 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
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    • C10M171/008—Lubricant compositions compatible with refrigerants
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    • C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
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    • C10M2211/00—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
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    • C10M2211/02—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only
    • C10M2211/022—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only aliphatic
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    • C10M2211/00—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2211/02—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only
    • C10M2211/022—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only aliphatic
    • C10M2211/0225—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only aliphatic used as base material
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    • C10M2211/00—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
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    • C10M2211/024—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only aromatic
    • C10M2211/0245—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only aromatic used as base material
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    • C10M2211/06—Perfluorinated compounds
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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Lubricants (AREA)
  • Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Claims (9)

  1. Une composition de fluide réfrigérant à utiliser dans la réfrigération par compression, qui comprend un agent réfrigérant hydrocarboné fluoré choisi parmi l'un au moins d'un tétrafluoréthane et du pentafluoréthane, chaque hydrocarbure fluoré choisi ayant un point d'ébullition normal compris dans l'intervalle de -80°C à +50°C, et un lubrifiant comprenant une huile hydrocarbonée fluorée dans laquelle le rapport en poids du fluor au carbone est de 0,5 à 5 et qui est un produit de polymérisation d'un composé de la formule générale : Rf(CH₂)nCH=CH₂, où Rf représente un radical de CF₃ à C₂₀F₄₁ et n = 0 à 2, ladite huile hydrocarbonée fluorée ayant une viscosité SUS à 38°C (100°F) d'au moins 50.
  2. Une composition telle que revendiquée dans la revendication 1, dans laquelle l'agent réfrigérant hydrocarboné fluoré comprend au moins un composé choisi parmi le 1,1,1,2-tétrafluoréthane (HFC-134a), le 1,1,2,2-tétrafluoréthane (HFC-134) et le pentafluoréthane (HFC-125).
  3. Une composition telle que revendiquée dans la revendication 1 ou 2, dans laquelle Rf, dans la formule générale, comprend environ 60 % de C₆F₁₃-, 30 % de C₈F₁₇- et environ 10% de C₁₀F₂₁- et homologues supérieurs ; et n = 1.
  4. Une composition telle que revendiquée dans la revendication 1 ou 2, dans laquelle ledit produit de polymérisation est un copolymère de Rf(CH₂)nCH=CH₂ avec 1 à 30 % en poids d'au moins un comonomère choisi parmi un éther de vinyle, un acrylate, un méthacrylate, l'acrylonitrile et un éthoxylat de vinyle.
  5. Une composition telle que revendiquée dans la revendication 4, dans laquelle ledit comonomère est l'éther de butyle et de vinyle.
  6. Une composition telle que revendiquée dans la revendication 5, dans laquelle ledit produit de polymérisation contient 1 à 10 % en poids d'éther de butyle et de vinyle.
  7. Une composition telle que revendiquée dans l'une quelconque des revendications précédentes, dans laquelle l'agent réfrigérant comprend un mélange d'au moins deux de HFC-134a, HFC-134 et HFC-125 avec au moins un de HFC-152a (CH₃CHF₂), HFC-32 (CH₂F₂), HFC-143a (CH₃CF₃), HFC-143 (CHF₂CH₂F) et FC-218 (CF₃CF₂CF₃).
  8. Une composition telle que revendiquée dans l'une quelconque des revendications précédentes, qui contient, de plus, jusqu'à 20 % en poids de 1,1,1,2,2,3,3,4,4,5,5,6,6-tridécafluoro-7-hexadécane.
  9. Une composition de fluide réfrigérant qui comprend un mélange d'hydrocarbures fluorés constitué d'au moins deux de HFC-134a, HFC-134 et HFC-125 avec au moins un de HFC-152a (CH₃CHF₂), HFC-32 (CH₂F₂), HFC-143a (CH₃CF₃), HFC-143 (CHF₂CH₂F), FC-218 (CF₃CF₂CF₃), CFC-12 (CCl₂F₂), HCFC-22 (CHClF₂), HCFC-124 (CHClFCF₃), HCFC-124a (CHF₂CClF₂) et HCFC-142b (CH₃CClF₂), chacun desdits hydrocarbures fluorés ayant un point d'ébullition normal compris dans l'intervalle de -80°C à +50°C et ledit mélange étant miscible aux températures de l'intervalle de -40°C à +20°C avec un lubrifiant qui est un polymère d'un composé de la formule générale : Rf(CH₂)nCH=CH₂, où Rf est un radical fluorocarboné de CF₃ à C₂₀F₄₁, et n = 0 à 2, ledit polymère ayant un rapport en poids du fluor au carbone de 0,5 à 5 et ledit lubrifiant ayant une viscosité SUS à 38°C (100°F) d'au moins 50.
HK37594A 1989-05-23 1994-04-21 Compositions and process of using in refrigeration HK37594A (en)

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CA (1) CA2016917A1 (fr)
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AU5576390A (en) 1990-11-29
AU640652B2 (en) 1993-09-02
BR9002356A (pt) 1991-08-06
ATE99353T1 (de) 1994-01-15
CA2016917A1 (fr) 1990-11-23
DK0399817T3 (da) 1994-01-24
EP0399817A2 (fr) 1990-11-28
US4944890A (en) 1990-07-31
ZA903991B (en) 1992-01-29
JPH039995A (ja) 1991-01-17
ES2047852T3 (es) 1994-03-01
DE69005527T2 (de) 1994-06-16
JP2554387B2 (ja) 1996-11-13
DE69005527D1 (de) 1994-02-10
KR900018341A (ko) 1990-12-21
EP0399817B1 (fr) 1993-12-29
EP0399817A3 (fr) 1991-03-27
CN1047525A (zh) 1990-12-05

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