US2018355269A1PendingUtilityA1

Heat transfer composition

65
Assignee: MEXICHEM FLUOR SA DE CVPriority: Dec 7, 2015Filed: Dec 7, 2016Published: Dec 13, 2018
Est. expiryDec 7, 2035(~9.4 yrs left)· nominal 20-yr term from priority
Inventors:Robert Elliot LowAndrew P. SharrattEmma Jane Hodgson
C10M 2223/043C10M 2203/024C10M 2211/06C09K 21/14C09K 21/08C10M 171/008C10N 2010/10C10N 2030/08C10N 2020/02C10N 2020/103C10M 2213/0606C10N 2020/101C10M 2207/026C10M 107/38C10N 2020/099C10M 2211/02C09K 5/045C09K 21/10C10M 2207/042C09K 21/12C10M 2213/02C10M 2223/04C09K 2205/126C09K 21/02C10M 2213/043C10N 2040/30C10N 2010/06
65
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Claims

Abstract

A composition comprising a heat transfer portion and a lubricating portion, wherein the lubricating portion comprises one or more compounds according to formula (I): wherein W is independently selected from the group consisting of H, F, CI, Br and I; Y is independently selected from the group consisting of F, CI, Br and I; Z is independently selected from the group consisting of H, OH, (CW 2 ) P CW 3 , CY 3 , OCW 3 , 0(CW 2 ) p CW 3 , OCW((CY 2 ) m CY 3 )CWCW 2 , polyalkylene glycol and polyolester; n is an integer from 2 to 250; m is an integer from 0 to 3; and p is an integer from 0 to 9.

Claims

exact text as granted — not AI-modified
1 . A composition comprising a heat transfer portion and a lubricating portion, wherein the lubricating portion comprises one or more compounds according to formula (I): 
       
         
           
           
               
               
           
         
         wherein 
         W is independently selected from the group consisting of H, F, Cl, Br and I; 
         Y is independently selected from the group consisting of F, Cl, Br and I; 
         Z is independently selected from the group consisting of H, OH, (CW 2 ) p CW 3 , CY 3 , OCW 3 , O(CW 2 ) p CW 3 , OCW((CY 2 ) m CY 3 )CWCW 2 , polyalkylene glycol and polyolester; 
         n is an integer from 2 to 250; 
         m is an integer from 0 to 3; and 
         p is an integer from 0 to 9. 
       
     
     
         2 . A composition according to  claim 1 , wherein Y is F or Cl, and preferably F. 
     
     
         3 . A composition according to  claim 1  or  claim 2 , wherein W is H, F or Cl, and preferably H. 
     
     
         4 . A composition according to any one of the preceding claims, wherein n is an integer from 2 to 100, for example from 5 to 20, and preferably n is an integer from 10 to 20. 
     
     
         5 . A composition according to any one of the preceding claims, wherein m is 0. 
     
     
         6 . A composition according to any one of the preceding claims, wherein p is 1 to 6, and preferably 2 to 6, for example 3 to 5. 
     
     
         7 . A composition according to any one of the preceding claims, wherein Z is OH. 
     
     
         8 . A composition according to any one of  claims 1  to  6 , wherein Z comprises a polyalkylene glycol. 
     
     
         9 . A composition according to  claim 8 , wherein the polyalkylene glycol is selected from the group consisting of poly(ethylene oxide) and poly(propylene oxide), and mixtures thereof. 
     
     
         10 . A composition according to any one of  claims 1  to  6 , wherein at least one, and preferably both, of the Z derivatives are not H or OH. 
     
     
         11 . A composition according to any one of the preceding claims, wherein the composition comprises at least two different compounds of formula (I). 
     
     
         12 . A composition according to any one of the preceding claims, wherein the lubricating portion has a kinematic viscosity at 40° C. of from about 5 to about 250 cSt. 
     
     
         13 . A composition according to  claim 12 , wherein the lubricating portion has a kinematic viscosity at 40° C. of from about 20 to 100 cSt, such as from about 30 to about 70 cSt, for example from about 30 to 60 cSt. 
     
     
         14 . A composition according to any one of the preceding claims, wherein the weight percentage of the lubricating portion in the composition is 1 to 30%, preferably 1 to 10%, more preferably 1 to 5%. 
     
     
         15 . A composition according to any one of the preceding claims, wherein the heat transfer portion comprises one or more compounds selected from the group consisting of (hydro)fluoroolefins (HFOs), hydrofluorocarbons (HFCs), chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs) and hydrocarbons. 
     
     
         16 . A composition according to any one of  claims 1  to  14 , wherein the heat transfer portion comprises one or more compounds selected from the group of R-1234ze, R-1234yf, R-1243zf, R-134a, R-152a, R-32, R-161, R-125, R-134, propane, propylene, carbon dioxide, R-245fa, R-236fa, R-227ea, R-143a, n-butane, iso-butane, R-365mfc, R-1123, R-1132a and R1336mzz. 
     
     
         17 . A composition according to any one of  claims 1  to  14 , wherein the heat transfer portion comprises one or more compounds selected from the group of R-1234ze, R-1234yf, R-1243zf, R-134a, R-152a and R-32. 
     
     
         18 . A composition according to any one of  claims 1  to  14 , wherein the heat transfer portion comprises R-1234ze. 
     
     
         19 . A composition according to any one of  claims 1  to  14 , wherein the heat transfer portion comprises R-1234yf. 
     
     
         20 . A composition according to any one of the preceding claims, which is less flammable than the heat transfer fluid alone. 
     
     
         21 . A composition according to any one of the preceding claims, which has an ignition temperature of about 500° C. or greater, preferably about 600° C. or greater. 
     
     
         22 . A composition according to any one of  claims 1  to  20 , which is non-flammable. 
     
     
         23 . A composition according to any one of the preceding claims further comprising a stabiliser. 
     
     
         24 . A composition according to  claim 23 , wherein the stabiliser is selected from diene-based compounds, phosphates, phenol compounds and epoxides, and mixtures thereof. 
     
     
         25 . A composition according to any one of the preceding claims further comprising an additional flame retardant. 
     
     
         26 . A composition according to  claim 25 , wherein the flame retardant is selected from the group consisting of tri-(2-chloroethyl)-phosphate, (chloropropyl) phosphate, tri-(2,3-dibromopropyl)-phosphate, tri-(1,3-dichloropropyl)-phosphate, diammonium phosphate, various halogenated aromatic compounds, antimony oxide, aluminium trihydrate, polyvinyl chloride, a fluorinated iodocarbon, a fluorinated bromocarbon, trifluoro iodomethane, perfluoroalkyl amines, bromo-fluoroalkyl amines and mixtures thereof. 
     
     
         27 . A lubricant composition comprising a composition according to any one of the preceding claims, preferably in a proportion of at least 10, 20, 30, 40, 50 wt % of the total weight of the lubricant. 
     
     
         28 . A heat transfer device containing a composition as defined in any of  claims 1  to  27 . 
     
     
         29 . Use of a composition as defined in any of  claims 1  to  27  in a heat transfer device. 
     
     
         30 . A heat transfer device according to  claim 28  or the use according to  claim 29 , which is a refrigeration device. 
     
     
         31 . A heat transfer device or use according to  claim 30 , which is selected from the group consisting of automotive air conditioning systems, residential air conditioning systems, commercial air conditioning systems, residential refrigerator systems, residential freezer systems, commercial refrigerator systems, commercial freezer systems, chiller air conditioning systems, chiller refrigeration systems, and commercial or residential heat pump systems. 
     
     
         32 . A heat transfer device or use according to any one of  claims 28  to  30 , which contains a compressor. 
     
     
         33 . A method of cooling an article, which comprises condensing a composition as defined in  claims 1  to  27  and thereafter evaporating the composition in the vicinity of the article to be cooled. 
     
     
         34 . A method for heating an article, which comprises condensing a composition as defined in any one of  claims 1  to  27  in the vicinity of the article to be heated and thereafter evaporating the composition. 
     
     
         35 . A mechanical power generation device containing a composition as defined in any one of  claims 1  to  27 . 
     
     
         36 . A mechanical power generating device according to  claim 35 , which is adapted to use a Rankine Cycle or modification thereof to generate work from heat. 
     
     
         37 . A method of retrofitting a heat transfer device comprising the step of removing an existing heat transfer fluid and introducing a composition as defined in  claims 1  to  27 . 
     
     
         38 . A method according to  claim 37  wherein the heat transfer device is a refrigeration device. 
     
     
         39 . A method according to  claim 38  wherein the heat transfer device is an air-conditioning system. 
     
     
         40 . A method of preparing a composition according to any one of  claims 1  to  27 , comprising mixing a compound according to formula (I) with a heat transfer fluid. 
     
     
         41 . A method according to  claim 40 , wherein the heat transfer fluid comprises one or more compounds selected from the group of (hydro)fluoroolefins (HFOs), hydrofluorocarbons (HFCs), chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs) and hydrocarbons. 
     
     
         42 . A method according to  claim 40  wherein the heat transfer fluid comprises one or more compounds selected from the group of R-1234ze, R-1234yf, R-1243zf, R-134a, R-152a, R-32, R-161, R-125, R-134, propane, propylene, carbon dioxide, R-245fa, R-236fa, R-227ea, R-143a, n-butane, iso-butane, R-365mfc, R-1123, R-1132a and R1336mzz. 
     
     
         43 . A method according to  claim 40  wherein the heat transfer fluid comprises one or more compounds selected from the group of R-1234ze, R-1234yf, R-1243zf, R-134a, R-152a and R-32. 
     
     
         44 . A method according to  claim 40  wherein the heat transfer fluid comprises R-1234ze. 
     
     
         45 . A method according to  claim 40  wherein the heat transfer fluid comprises R-1234yf. 
     
     
         46 . Use of a composition according to any one of  claims 1  to  27  as a heat transfer agent. 
     
     
         47 . The use according to  claim 46 , wherein the heat transfer agent comprises at least two compounds according to formula (I). 
     
     
         48 . The use of a composition according to any one of  claims 1  to  27  as a lubricant, for example, in heat transfer applications. 
     
     
         49 . The use according to  claim 48 , wherein the lubricant comprises at least two compounds according to formula (I).

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