Traction fluid composition

Abstract

Novel traction fluid compounds represented by the following formulae AB n (I) wherein A is a residue of a compound having from 1 to 10 active hydrogen atoms, B is a residue of a cycloalkene oxide having from 4 to 12 carbon atoms, or a cycloaliphatic epoxide having from 4 to 12 carbon atoms, and n is 1 to 10, with the proviso that n can be less than the number of active hydrogen atoms in compound A, and process for the preparation thereof are disclosed. The compounds are useful as traction fluid applications either per se or in blends with known lubricating compositions due to their high traction coefficients.

1 . A traction polyglycol for use in traction fluid compositions having the following formulae  
       AB n    (I)  
     wherein A is a residue of a compound having from 1 to 10 active hydrogen atoms, B is a residue of a cycloalkene oxide having from 4 to 12 carbon atoms, or a cycloaliphatic epoxide having from 4 to 12 carbon atoms, and n is 1 to 10.  
   
   
       2 . The traction polyglycol according to  claim 1  wherein the residue of said compound having n number of active hydrogen atoms is the residue of water, a primary, secondary or tertiary aliphatic alcohol having from 1 to 10 carbon atoms, cycloalkyl alcohol, or glycol.  
   
   
       3 . The traction polyglycol according to  claim 2  wherein the residue of said compound having n number of active hydrogen atoms is the residue of methyl alcohol, ethyl alcohol, propyl alcohol, butyl alcohol, cyclopropyl methanol, cyclobutanol, cyclobutane methanol, cyclopentanol, cyclopenten methanol, cyclohexanol, cyclohexyl methanol, cycloheptanol, cycloheptene methanol, cyclooctanol, cyclooctene methanol, cyclodecanol, ethylene glycol, propylene glycol, 1,4-butanediol, 2,3-butanediol, 1,2-pentanediol, 1,4-pentanediol, 1,5-pentanediol, diethylene glycol, triethylene glycol, tetraethylene glycol, dipropylene glycol, tetrapropylene glycol, dibutylene glycol, tributylene glycol, tetrabutylene glycol, 2,2-dimethyl-1,3-propanediol(neopentyl glycol), 2,3-dimethyl-2,3-butanediol(pinacol), Bisphenol A, 1,2- and 1,3-cyclopentenediol, 1,4-cyclohexenediol, 1,2- and 1,5-cyclooctenediol, cyclohexane dimethanol, glycerin, trimethylolpropane, or pentaerythritol or sorbitol.  
   
   
       4 . The traction polyglycol according to  claim 3  wherein the residue of said compound having n number of active hydrogen atoms is the residue of cyclohexanol, 2,3-butanediol, trimethylolpropane, or monoethyleneglycol.  
   
   
       5 . (canceled)  
   
   
       6 . The traction polyglycol according to  claim 1  wherein B is the residue of ethylene oxide, propylene oxide, 1,4-butylene oxide, 2,3-butylene oxide, cyclobutene oxide, cyclopentene oxide, cyclohexene oxide, cycloheptene oxide, cyclooctene oxide, cyclododecene oxide, 1,2,3,4-diepoxybutane, 1,2,5,6-diepoxycyclooctane, or 1,2,7,8-diepoxyoctane.  
   
   
       7 . (canceled)  
   
   
       8 . A traction fluid composition comprising 
 (a) a traction polyglycol having the following formulae      AB n    (I)    wherein A is a residue of a compound having from 1 to 10 active hydrogen atoms, B is a residue of a cycloalkene oxide having from 4 to 12 carbon atoms, or a cycloaliphatic epoxide having from 4 to 12 carbon atoms, and n is 1 to 10, and    (b) low viscosity base stock traction fluid, or any mixture thereof.    
   
   
       10 . The traction fluid composition according to  claim 8  wherein the residue of said compound having n number of active hydrogen atoms in Formula I is the residue of water, a primary, secondary or tertiary aliphatic alcohol having from 1 to 10 carbon atoms, cycloalkyl alcohol, or glycol.  
   
   
       11 . The traction fluid composition according to  claim 10  wherein the residue of said compound having n number of active hydrogen atoms in Formula I is the residue of methyl alcohol, ethyl alcohol, propyl alcohol, butyl alcohol, cyclopropyl methanol, cyclobutanol, cyclobutane methanol, cyclopentanol, cyclopenten methanol, cyclohexanol, cyclohexyl methanol, cycloheptanol, cycloheptene methanol, cyclooctanol, cyclooctene methanol, cyclodecanol, ethylene glycol, propylene glycol, 1,4-butanediol, 2,3-butanediol, 1,2-pentanediol, 1,4-pentanediol, 1,5-pentanediol, diethylene glycol, triethylene glycol, tetraethylene glycol, dipropylene glycol, tetrapropylene glycol, dibutylene glycol, tributylene glycol, tetrabutylene glycol, 2,2-dimethyl-1,3-propanediol(neopentyl glycol), 2,3-dimethyl-2,3-butanediol(pinacol), Bisphenol A, 1,2- and 1,3-cyclopentenediol, 1,4-cyclohexenediol, 1,2- and 1,5-cyclooctenediol, glycerin, trimethylolpropane, or pentaerythritol or sorbitol.  
   
   
       12 . The traction fluid composition according to  claim 11  wherein the residue of said compound having n number of active hydrogen atoms in Formula I is the residue of cyclohexanol, 2,3-butanediol, trimethylolpropane, or monoethyleneglycol.  
   
   
       13 . The traction fluid composition according to  claim 8  wherein B in Formula I is the residue of cycloalkylene oxide having from 4 to 12 carbon atoms, or cycloaliphatic oxide having from 4 to 12 carbon atoms.  
   
   
       14 . The traction fluid composition according to  claim 8  wherein B in Formula I is the residue of cyclobutene oxide, cyclopentene oxide, cyclohexene oxide, cycloheptene oxide, cyclooctene oxide, cyclododecene oxide, or 1,2,5,6-diepoxycyclooctane.  
   
   
       15 . (canceled)  
   
   
       16 . The traction fluid composition according to  claim 8  further comprising an antioxidant additive, a corrosion inhibitor, a copper deactivator, an anti-wear additive, an extreme pressure additive, anti-foam additive, a viscosity modifier, or a dye.  
   
   
       17 . A process for the preparation of a traction polyglycol having the following formulae  
       AB n    (I)  
     wherein A is a residue of a compound having from 1 to 10 active hydrogen atoms, B is a residue of a cycloalkene oxide having from 4 to 12 carbon atoms, or a cycloaliphatic epoxide having from 4 to 12 carbon atoms, and n is 1 to 10, which process comprises reacting a cycloalkylene oxide having from 4 to 12 carbon atoms or a cycloaliphatic epoxide having from 4 to 12 carbon atoms with a compound having from 1 to 10 active hydrogen atoms in the presence of a polymerization catalyst.