Patent classifications
C10M105/54
Fluorinated diester compounds and their use in heat transfer system
A compound of formula (I): wherein W is independently selected from the group consisting of H, F, CI, Br, and I; X 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, F, CI, Br, and I; n is an integer from 1 to 8; and n is an integer from 1 to 12. ##STR00001##
Aromatic compounds bearing hydroxyl-substituted (per)fluoropolyether chains
Compounds [compounds (L)] comprising at least one monocyclic, polycyclic or polycondensed aromatic moiety [moiety (A*)], wherein: at least one carbon atom of moiety (A*) is substituted with a fluoropolyoxyalkene chain [chain (R.sub.f)], said chain (R.sub.f) comprising: a) a fluorocarbon segment having ether linkages in the main chain and b) at least one hydroxyl group and wherein: at least one other carbon atom of moiety (A*) is substituted with an electron-withdrawing group and mixtures thereof are herein disclosed. Disclosed are also a process for manufacturing compounds (L), a method for lubricating MRM comprising using compounds (L), a lubricant composition comprising one or more compounds (L) and a method for manufacturing a composition (C).
Aromatic compounds bearing hydroxyl-substituted (per)fluoropolyether chains
Compounds [compounds (L)] comprising at least one monocyclic, polycyclic or polycondensed aromatic moiety [moiety (A*)], wherein: at least one carbon atom of moiety (A*) is substituted with a fluoropolyoxyalkene chain [chain (R.sub.f)], said chain (R.sub.f) comprising: a) a fluorocarbon segment having ether linkages in the main chain and b) at least one hydroxyl group and wherein: at least one other carbon atom of moiety (A*) is substituted with an electron-withdrawing group and mixtures thereof are herein disclosed. Disclosed are also a process for manufacturing compounds (L), a method for lubricating MRM comprising using compounds (L), a lubricant composition comprising one or more compounds (L) and a method for manufacturing a composition (C).
FLUORINE- CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING MEDIUM
A fluorine-containing ether compound represented by a formula (1) shown below.
R.sup.4CH.sub.2R.sup.3CH.sub.2R.sup.2CH.sub.2R.sup.1CH.sub.2R.sup.2CH.sub.2R.sup.3CH.sub.2R.sup.5(1)
In formula (1), R.sup.1 and R.sup.3 represent the same or different perfluoropolyether chains, R.sup.2 represents a linking group containing at least one polar group, one or both of R.sup.4 and R.sup.5 represent a terminal group containing two or more polar groups, and R.sup.4 and R.sup.5 are different.
FLUORINE- CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING MEDIUM
A fluorine-containing ether compound represented by a formula (1) shown below.
R.sup.4CH.sub.2R.sup.3CH.sub.2R.sup.2CH.sub.2R.sup.1CH.sub.2R.sup.2CH.sub.2R.sup.3CH.sub.2R.sup.5(1)
In formula (1), R.sup.1 and R.sup.3 represent the same or different perfluoropolyether chains, R.sup.2 represents a linking group containing at least one polar group, one or both of R.sup.4 and R.sup.5 represent a terminal group containing two or more polar groups, and R.sup.4 and R.sup.5 are different.
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).
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).
FLUORINATED DIESTER COMPOUNDS AND THEIR USE IN HEAT TRANSFER SYSTEM
A compound of formula (I): 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, 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, F, Cl, Br, and I; n is an integer from 1 to 8; and n is an integer from 1 to 12.
##STR00001##
FLUORINATED DIESTER COMPOUNDS AND THEIR USE IN HEAT TRANSFER SYSTEM
A compound of formula (I): 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, 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, F, Cl, Br, and I; n is an integer from 1 to 8; and n is an integer from 1 to 12.
##STR00001##
CAMERA MODULE, LUBRICANT COMPOSITION, AND ELECTRONIC DEVICE
A camera module includes a lens module including a lens, and a base module configured to accommodate the lens module therein. A fluorinated lubricant is disposed on a portion of at least one of the lens module and the base module, the fluorinated lubricant includes a fluorescent material capable of emitting fluorescent light when illuminated with ultraviolet (UV) light.