C10M107/38

FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM
20230090239 · 2023-03-23 · ·

The present invention provides a fluorine-containing ether compound represented by the following formula:


R.sup.1—R.sup.2—CH.sub.2—R.sup.3—CH.sub.2—R.sup.4—R.sup.5

(in the formula, R.sup.3 represents a perfluoropolyether chain; R.sup.1 and R.sup.5 each independently represent any of an alkyl group which may have a substituent, an organic group having a double bond or a triple bond, and a hydrogen atom; —R.sup.2—CH.sub.2—R.sup.3 is represented by -[A]-[B]—O—CH.sub.2—R.sup.3; R.sup.3—CH.sub.2—R.sup.4— is represented by R.sup.3—CH.sub.2—O—[C]-[D]-; [A] is represented by Formula (4), [B] is represented by Formula (5), [C] is represented by Formula (6), and [D] is represented by Formula (7)):

##STR00001##

FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM
20230090239 · 2023-03-23 · ·

The present invention provides a fluorine-containing ether compound represented by the following formula:


R.sup.1—R.sup.2—CH.sub.2—R.sup.3—CH.sub.2—R.sup.4—R.sup.5

(in the formula, R.sup.3 represents a perfluoropolyether chain; R.sup.1 and R.sup.5 each independently represent any of an alkyl group which may have a substituent, an organic group having a double bond or a triple bond, and a hydrogen atom; —R.sup.2—CH.sub.2—R.sup.3 is represented by -[A]-[B]—O—CH.sub.2—R.sup.3; R.sup.3—CH.sub.2—R.sup.4— is represented by R.sup.3—CH.sub.2—O—[C]-[D]-; [A] is represented by Formula (4), [B] is represented by Formula (5), [C] is represented by Formula (6), and [D] is represented by Formula (7)):

##STR00001##

Tool for treating a seal wiping surface of a sealed connector

A tool configured to apply a lubricant includes an insert disposed within a shroud of an electrical connector. The insert has a central cavity and passages extending from the central cavity to portals defined in an outer surface of the insert and a spray valve disposed within the insert configured to dispense a lubricant mist into the central cavity, through the passages to the portals, and onto a seal wiping surface of the electrical connector.

Tool for treating a seal wiping surface of a sealed connector

A tool configured to apply a lubricant includes an insert disposed within a shroud of an electrical connector. The insert has a central cavity and passages extending from the central cavity to portals defined in an outer surface of the insert and a spray valve disposed within the insert configured to dispense a lubricant mist into the central cavity, through the passages to the portals, and onto a seal wiping surface of the electrical connector.

Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
11479641 · 2022-10-25 · ·

A fluorine-containing ether compound characterized by being represented by the following formula (1):
R.sup.1—R.sup.2—CH.sub.2—R.sup.3—CH.sub.2—R.sup.4—R.sup.5  (1) In the formula (1), R.sup.3 is a perfluoropolyether chain. R.sup.2 and R.sup.4 are divalent linkage groups having a polar group and may be the same or different. R.sup.1 and R.sup.5 are bonded to an atom other than a carbon atom of R.sup.2 or R.sup.4. R.sup.1 and R.sup.5 are terminal groups composed of an organic group having 1 to 8 carbon atoms and may be the same or different. At least one of R.sup.1 and R.sup.5 is a chain organic group having 1 to 8 carbon atoms wherein one or more hydrogen atoms of the chain organic group is substituted with a group having an amide bond.

Dry film lubricants containing graphene

Dry film lubricants containing graphene improve the wear resistance and the frictional behavior of the lubricant.

Dry film lubricants containing graphene

Dry film lubricants containing graphene improve the wear resistance and the frictional behavior of the lubricant.

Compounds
11603433 · 2023-03-14 · ·

The present invention relates to compounds according to formula (Ia) or formula (Ib); ##STR00001##
wherein each W is independently selected from the group consisting of H, F, Cl, Br, I and (CY.sub.2).sub.mCY.sub.3; each Y is independently selected from the group consisting of F, Cl, Br and I; each Z is independently selected from the group consisting of H, OH, (CW.sub.2).sub.pCW.sub.3, CY.sub.3, OCW.sub.3, O(CW.sub.2).sub.pCW.sub.3, OCW((CY.sub.2).sub.mCY.sub.3)CWCW.sub.2, (CW.sub.2).sub.pOH, polyalkylene glycol and polyolester; n is an integer from 2 to 49; m is an integer from 0 to 3; p is an integer from 0 to 9; the molecular weight average (M.sub.W) is ≤5500; and the polydispersity index is ≤1.45; compositions comprising these compounds and methods for their production.

Compounds
11603433 · 2023-03-14 · ·

The present invention relates to compounds according to formula (Ia) or formula (Ib); ##STR00001##
wherein each W is independently selected from the group consisting of H, F, Cl, Br, I and (CY.sub.2).sub.mCY.sub.3; each Y is independently selected from the group consisting of F, Cl, Br and I; each Z is independently selected from the group consisting of H, OH, (CW.sub.2).sub.pCW.sub.3, CY.sub.3, OCW.sub.3, O(CW.sub.2).sub.pCW.sub.3, OCW((CY.sub.2).sub.mCY.sub.3)CWCW.sub.2, (CW.sub.2).sub.pOH, polyalkylene glycol and polyolester; n is an integer from 2 to 49; m is an integer from 0 to 3; p is an integer from 0 to 9; the molecular weight average (M.sub.W) is ≤5500; and the polydispersity index is ≤1.45; compositions comprising these compounds and methods for their production.

REFRIGERATION CYCLE APPARATUS, REFRIGERATING MACHINE OIL AND REFRIGERANT LEAKAGE PREVENTION AGENT

A refrigeration cycle apparatus, refrigerating machine oil and refrigerant leakage prevention agent. The refrigeration cycle apparatus contains a working fluid which contains a refrigerant composition including a refrigerant and a refrigerating machine oil including resin particles of which D.sub.50 and D.sub.90/D.sub.10 are 2.0 μm to 10.0 μm and 4.0 to 14.0, respectively.