A composition having a compound having the structure: ##STR00001##
wherein each R is an independently selected alkylphenol-free moiety that is a C.sub.1-20 alkyl, C.sub.2-22 alkenyl, C.sub.6-40 cycloalkyl, C.sub.7-40 cycloalkylene, C.sub.3-20 methoxy alkyl glycol ether, C.sub.3-20 alkyl glycol ether, or YOH moiety; wherein each Y is an independently selected alkylphenol-free moiety that is a C.sub.2-40 alkylene, C.sub.7-40 cycloalkylene, or C.sub.3-40 alkyl lactone moiety; wherein m is an integer ranging from 1 to 100; and wherein x is an integer ranging from 1 to 1000.

A composition having a compound having the structure: ##STR00001##
wherein each R is an independently selected alkylphenol-free moiety that is a C.sub.1-20 alkyl, C.sub.2-22 alkenyl, C.sub.6-40 cycloalkyl, C.sub.7-40 cycloalkylene, C.sub.3-20 methoxy alkyl glycol ether, C.sub.3-20 alkyl glycol ether, or YOH moiety; wherein each Y is an independently selected alkylphenol-free moiety that is a C.sub.2-40 alkylene, C.sub.7-40 cycloalkylene, or C.sub.3-40 alkyl lactone moiety; wherein m is an integer ranging from 1 to 100; and wherein x is an integer ranging from 1 to 1000.

A method having the step of using a compound as an additive for: gear oil, grease, engine oil, combustion-engine lubricant, automatic transmission fluid, two-cycle engine lubricant, marine-engine lubricant, or anti-wear agent, the compound having the structure:

##STR00001##

wherein each R is an independently selected alkylphenol-free moiety that is a C.sub.1-22 alkyl, C.sub.6-40 cycloalkyl, C.sub.3-20 methoxy alkyl glycol ether, C.sub.3-20 alkyl glycol ether, or YOH moiety; wherein each Y is an independently selected alkylphenol-free moiety that is a C.sub.2-40 alkyl, C.sub.6-40 cycloalkyl, C.sub.2-20 alkyl glycol ether, or C.sub.3-40 alkyl lactone moiety; wherein each m is an independently selected integer ranging from 1 to 100; and wherein x is an integer ranging from 1 to 1000.

A method having the step of using a compound as an additive for: gear oil, grease, engine oil, combustion-engine lubricant, automatic transmission fluid, two-cycle engine lubricant, marine-engine lubricant, or anti-wear agent, the compound having the structure:

##STR00001##

wherein each R is an independently selected alkylphenol-free moiety that is a C.sub.1-22 alkyl, C.sub.6-40 cycloalkyl, C.sub.3-20 methoxy alkyl glycol ether, C.sub.3-20 alkyl glycol ether, or YOH moiety; wherein each Y is an independently selected alkylphenol-free moiety that is a C.sub.2-40 alkyl, C.sub.6-40 cycloalkyl, C.sub.2-20 alkyl glycol ether, or C.sub.3-40 alkyl lactone moiety; wherein each m is an independently selected integer ranging from 1 to 100; and wherein x is an integer ranging from 1 to 1000.

A lubricant composition of an oil of lubricating viscosity and a phosphite ester reaction product of a monomeric phosphorous acid or an ester thereof with a first alkylene diol having two hydroxy groups in a 1,4 or 1,5 or 1,6 relationship and a second, alkyl-substituted, diol being a substituted 1,3-propylene diol, exhibits good wear and frictional performance.

A lubricant composition of an oil of lubricating viscosity and a phosphite ester reaction product of a monomeric phosphorous acid or an ester thereof with a first alkylene diol having two hydroxy groups in a 1,4 or 1,5 or 1,6 relationship and a second, alkyl-substituted, diol being a substituted 1,3-propylene diol, exhibits good wear and frictional performance.

The invention provides a grease composition for lubrication of a sliding surface made of resin, including a fluorine-based base oil and a synthetic hydrocarbon oil as a base oil; a fluorine-based thickener, and a lithium soap thickener or a lithium complex soap thickener as a thickener; and an extreme pressure additive as an additive. The invention also provides a sliding member including a sliding surface made of a resin wherein the grease composition for lubrication is applied to the sliding surface made of a resin.

The refrigerator oil according to the present invention includes a base oil including an oxygen-containing organic compound and a phosphorus-based compound represented by the following general formula (1). ##STR00001## In the formula (1), n represents an integer of 1 to 10; R.sup.1 to R.sup.8 each independently represent a hydrogen atom or an alkyl group having 1 to 20 carbon atoms; and Ar represents a divalent hydrocarbon group having 2 to 20 carbon atoms.

The refrigerator oil according to the present invention includes a base oil including an oxygen-containing organic compound and a phosphorus-based compound represented by the following general formula (1). ##STR00001## In the formula (1), n represents an integer of 1 to 10; R.sup.1 to R.sup.8 each independently represent a hydrogen atom or an alkyl group having 1 to 20 carbon atoms; and Ar represents a divalent hydrocarbon group having 2 to 20 carbon atoms.

The present invention concerns a composition suitable for working and shaping metals, in particular providing a lubricating effect, including polymers of the following formula: [RO(CH(CH.sub.3)CH.sub.2O).sub.n(CH.sub.2CH.sub.2O).sub.p].sub.1+xP(O)(OH).sub.2-x in which: R is a linear or branched, preferably linear, saturated or unsaturated hydrocarbon group, comprising between 8 and 12 carbon atoms; n is a number, which may or may not be an integer, between 6 and 20; p is a number, which may or may not be an integer, between 4 and 25; and x is a number between 0 and 1, and in particular between 0.1 and 0.9.