Patent classifications
C10M131/12
Fluorinated esters as lubricants for heat transfer fluids
The present disclosure provides compounds of formula (I), and preparation method thereof, ##STR00001## wherein W is independently selected from the group consisting of H, F, Cl, Br and I; X is independently selected from the group consisting of H, F, Cl, Br, I, CW.sub.3 and OR on the basis that at least one X is OR; R is independently selected from the group consisting of C(O)CH.sub.2).sub.m(CF.sub.2).sub.nY and CW.sub.2C(CW.sub.2OC(O)(CH.sub.2).sub.m(CF.sub.2).sub.nY).sub.3; m is an integer from 0 to 2;15 n is an integer from 2 to 8; Y is C(Z).sub.3; and Z is independently selected from the group consisting of H, F, Cl, Br and I. Such compounds may be utilised as lubricants, for example in heat transfer compositions.
Fluorinated esters as lubricants for heat transfer fluids
The present disclosure provides compounds of formula (I), and preparation method thereof, ##STR00001## wherein W is independently selected from the group consisting of H, F, Cl, Br and I; X is independently selected from the group consisting of H, F, Cl, Br, I, CW.sub.3 and OR on the basis that at least one X is OR; R is independently selected from the group consisting of C(O)CH.sub.2).sub.m(CF.sub.2).sub.nY and CW.sub.2C(CW.sub.2OC(O)(CH.sub.2).sub.m(CF.sub.2).sub.nY).sub.3; m is an integer from 0 to 2;15 n is an integer from 2 to 8; Y is C(Z).sub.3; and Z is independently selected from the group consisting of H, F, Cl, Br and I. Such compounds may be utilised as lubricants, for example in heat transfer compositions.
FLUORINATED ESTERS AS LUBRICANTS FOR HEAT TRANSFER FLUIDS
The present disclosure provides compounds of formula (I), and preparation method thereof,
##STR00001## wherein W is independently selected from the group consisting of H, F, Cl, Br and I; X is independently selected from the group consisting of H, F, Cl, Br, I, CW.sub.3 and OR on the basis that at least one X is OR; R is independently selected from the group consisting of C(O)CH.sub.2).sub.m(CF.sub.2).sub.nY and CW.sub.2C(CW.sub.2OC(O)(CH.sub.2).sub.m(CF.sub.2).sub.nY).sub.3; m is an integer from 0 to 2; 15 n is an integer from 2 to 8; Y is C(Z).sub.3; and Z is independently selected from the group consisting of H, F, Cl, Br and I. Such compounds may be utilised as lubricants, for example in heat transfer compositions.
FLUORINATED ESTERS AS LUBRICANTS FOR HEAT TRANSFER FLUIDS
The present disclosure provides compounds of formula (I), and preparation method thereof,
##STR00001## wherein W is independently selected from the group consisting of H, F, Cl, Br and I; X is independently selected from the group consisting of H, F, Cl, Br, I, CW.sub.3 and OR on the basis that at least one X is OR; R is independently selected from the group consisting of C(O)CH.sub.2).sub.m(CF.sub.2).sub.nY and CW.sub.2C(CW.sub.2OC(O)(CH.sub.2).sub.m(CF.sub.2).sub.nY).sub.3; m is an integer from 0 to 2; 15 n is an integer from 2 to 8; Y is C(Z).sub.3; and Z is independently selected from the group consisting of H, F, Cl, Br and I. Such compounds may be utilised as lubricants, for example in heat transfer compositions.
Fluorinated esters as lubricants for heat transfer fluids
The present invention provides compounds of formula (I): wherein W is independently selected from the group consisting of H, F, Cl, Br and I; 10 X is independently selected from the group consisting of H, F, Cl, Br, I, CW.sub.3 and OR on the basis that at least one X is OR; R is independently selected from the group consisting of C(O) (CH.sub.2).sub.m(CF.sub.2).sub.nY and CW.sub.2C(CW.sub.2OC(O)(CH.sub.2)m(CF.sub.2)nY).sub.3; m is an integer from 0 to 2; 15 n is an integer from 2 to 8; Y is C(Z).sub.3; and Z is independently selected from the group consisting of H, F, Cl, Br and I. Such compounds may be utilised as lubricants, for example in heat transfer compositions.
Fluorinated esters as lubricants for heat transfer fluids
The present invention provides compounds of formula (I): wherein W is independently selected from the group consisting of H, F, Cl, Br and I; 10 X is independently selected from the group consisting of H, F, Cl, Br, I, CW.sub.3 and OR on the basis that at least one X is OR; R is independently selected from the group consisting of C(O) (CH.sub.2).sub.m(CF.sub.2).sub.nY and CW.sub.2C(CW.sub.2OC(O)(CH.sub.2)m(CF.sub.2)nY).sub.3; m is an integer from 0 to 2; 15 n is an integer from 2 to 8; Y is C(Z).sub.3; and Z is independently selected from the group consisting of H, F, Cl, Br and I. Such compounds may be utilised as lubricants, for example in heat transfer compositions.
Fullerene derivative and lubricant
One embodiment of the present invention is a fullerene derivative represented by general formula (1) ##STR00001##
(wherein FLN is a fullerene backbone; each A is independently a monovalent group including a divalent perfluoropolyether group; each R is each independently a hydrogen atom, a hydrocarbon group, or an alkoxycarbonyl group including a divalent perfluoropolyether group; at least one of the 2m R is a hydrocarbon group or an alkoxycarbonyl group including a divalent perfluoropolyether group; m is an integer from 1 to 5; and n is an integer from 1 to 6).
SOLUTION FOR PROCESSING MACHINES
A solution for processing machines includes a lubricating base including polyalkylene glycol, a fluorine-based surfactant or a cationic surfactant, and water. The lubricating base includes at least one of a polyoxyethylene/polyoxypropylene reverse block, an ethylenediamine polyoxyalkylene condensate, polyoxyethylene polyoxypropylene glycol, and an ethylene oxide propylene oxide polymer, as polyalkylene glycol.
SOLUTION FOR PROCESSING MACHINES
A solution for processing machines includes a lubricating base including polyalkylene glycol, a fluorine-based surfactant or a cationic surfactant, and water. The lubricating base includes at least one of a polyoxyethylene/polyoxypropylene reverse block, an ethylenediamine polyoxyalkylene condensate, polyoxyethylene polyoxypropylene glycol, and an ethylene oxide propylene oxide polymer, as polyalkylene glycol.
FULLERENE DERIVATIVE AND LUBRICANT
One embodiment of the present invention is a fullerene derivative represented by general formula (1)
##STR00001##
(wherein FLN is a fullerene backbone; each A is independently a monovalent group including a divalent perfluoropolyether group; each R is each independently a hydrogen atom, a hydrocarbon group, or an alkoxycarbonyl group including a divalent perfluoropolyether group; at least one of the 2m R is a hydrocarbon group or an alkoxycarbonyl group including a divalent perfluoropolyether group; m is an integer from 1 to 5; and n is an integer from 1 to 6).