Patent ID: 6296677
Filing Date: 2001-10-02
Classification: C10L

Abstract:
A process for the reduction of wear in the fuel system of a diesel engine, which comprises contacting said engine fuel system with a fuel having a reduced sulfur and aromatics content and comprising an effective anti-wear amount of a product obtainable by reacting components a), b) and c), where component a) is a compound of the formula I or a mixture of compounds of the formula I, component b) is a compound of the formula II or a mixture of compounds of the formula II and component c) is a compound of the formula III or a mixture of compounds of the formula III, ##STR92##in which, in the compound of the formula I,the radicals Y independently of one another are OH, (HOCH.sub.2 CH.sub.2).sub.2 N-- or --HNR.sub.1 andthe radicals R.sub.1 are hydrogen, C.sub.1 -C.sub.18 alkyl, C.sub.5 -C.sub.12 cycloalkyl, ##STR93##C.sub.3 -C.sub.6 alkenyl, C.sub.7 -C.sub.9 phenylalkyl, phenyl, or phenyl which is substituted by 1 to 3 radicals A.sub.1, the radicals A.sub.1 independently of one another being C.sub.1 -C.sub.12 alkyl, halogen, hydroxyl, methoxy or ethoxy, in whichR.sub.2 is hydrogen, C.sub.1 -C.sub.8 alkyl, O., OH, NO, --CH.sub.2 CN, C.sub.1 -C.sub.18 alkoxy, C.sub.5 -C.sub.12 cycloalkoxy, C.sub.3 -C.sub.6 alkenyl, C.sub.7 -C.sub.9 phenylalkyl or C.sub.7 -C.sub.9 phenylalkyl which is mono-, di- or trisubstituted on the phenyl ring by C.sub.1 -C.sub.4 alkyl, or R.sub.2 is furthermore C.sub.1 -C.sub.8 acyl or HOCH.sub.2 CH.sub.2 --, anda is the number 1, 2, 3, 4 or 6, where,if Y is OH and a is 1,X is C.sub.1 -C.sub.45 alkyl, C.sub.3 -C.sub.18 alkenyl, --CH.sub.2 CH.sub.2 T.sub.1 (CH.sub.2 CH.sub.2 O).sub.b R.sub.4 or ##STR94##in which R.sub.2 is as defined above, andT.sub.1 is oxygen, sulfur or ##STR95##R.sub.4 is C.sub.1 -C.sub.20 alkyl,b is an integer ranging from 0 to 10 andR.sub.5 is hydrogen, C.sub.1 -C.sub.18 alkyl or phenyl, or,if Y is OH and a is 2,X is --CH.sub.2 CH.sub.2 T.sub.2 (CH.sub.2 CH.sub.2 O).sub.b CH.sub.2 CH.sub.2 --, in which b is as defined above, ##STR96##in whichT.sub.2 is oxygen, sulfur, ##STR97##and R.sub.5 is as defined above,R.sub.6 is hydrogen, C.sub.1 -C.sub.18 alkyl or phenyl,c is an integer ranging from 2 to 10,d is an integer ranging from 2 to 6 andR.sub.7 and R.sub.8 independently of one another are hydrogen, C.sub.1 -C.sub.18 alkyl or phenyl, or R.sub.7 and R.sub.8 together with the C atom to which they are bonded form a C.sub.5 -C.sub.12 cycloalkyl ring, orif a is 3,X is C.sub.3 -C.sub.10 alkanetriyl or N(CH.sub.2 CH.sub.2 --).sub.3, or,if Y is OH and a is 4,X is C.sub.4 -C.sub.10 alkanetetrayl, ##STR98##in whichR.sub.9 is C.sub.1 -C.sub.4 alkyl, or,if Y is OH and a is 6,X is ##STR99##or C.sub.6 -C.sub.10 alkanehexayl, or,if Y is HNR.sub.1 and a is 1,X is C.sub.1 -C.sub.18 alkyl, C.sub.3 -C.sub.18 alkenyl, C.sub.5 -C.sub.12 cycloalkyl, C.sub.7 -C.sub.9 phenylalkyl, phenyl, ##STR100##in which R.sub.2 is as defined above or X is furthermore ##STR101##or X together with R.sub.1 is a group of the formula --CH.sub.2 CH.sub.2 CH.sub.2 CH.sub.2 CH.sub.2 -- or--CH.sub.2 CH.sub.2 OCH.sub.2 CH.sub.2 --, in whichR.sub.10 is hydrogen or methyl ande is 2 or 3, or,if Y is --HNR.sub.1 and a is 2,X is --C.sub.f H.sub.2f --, ##STR102##in whichf is an integer ranging from 2 to 10 andg is an integer ranging from 1 to 6, and,in the compound of the formula II,the radicals Z are hydrogen or a group of the formula ##STR103##andk is an integer ranging from 0 to 6, in whichh is 2or 3,i is an integer ranging from 0 to 12 andR.sub.11 is C.sub.1 -C.sub.30 alkyl, C.sub.8 -C.sub.30 alkenyl, C.sub.5 -C.sub.12 cycloalkyl, phenyl or C.sub.7 -C.sub.9 phenylalkyl, withthe proviso that the compound of the formula II has a group ##STR104##in the compound of the formula III,R.sub.12 is C.sub.1 -C.sub.18 alkyl, C.sub.5 -C.sub.12 cycloalkyl, phenyl or C.sub.7 -C.sub.9 phenylalkyl,R.sub.15 is hydrogen, C.sub.1 -C.sub.18 alkyl, C.sub.5 -C.sub.12 cycloalkyl, phenyl or C.sub.7 -C.sub.9 phenylalkyl,s is 0, 1 or 2,Q is --C.sub.m H.sub.2m --, ##STR105##in which R.sub.15 is as defined above,m is an integer ranging from 0 to 3,R.sub.16 is C.sub.1 -C.sub.8 alkyl andn is an integer ranging from 1 to 6, where,if n is 1,R.sub.17 is hydrogen, C.sub.1 -C.sub.45 alkyl, C.sub.5 -C.sub.12 cycloalkyl, C.sub.2 -C.sub.18 alkenyl, a monovalent radical of a hexose, a monovalent radical of a hexitol, ##STR106##in whichR.sub.2 is as defined above, or furthermore R.sub.17 is --CH.sub.2 CH.sub.2 --T.sub.3 --R.sub.19 or ##STR107##in whichT.sub.3 is oxygen, sulfur or ##STR108##R.sub.19 is ##STR109##in which R.sub.12 and R.sub.15 are as defined above, or R.sub.19 is furthermore hydrogen, C.sub.1 -C.sub.24 alkyl, phenyl, C.sub.5 -C.sub.12 cycloalkyl or ##STR110##whichp is an integ ging from 2 to 4,q is an integer ranging from 2 to 20,R.sub.22 is C.sub.1 -C.sub.18 alkyl, phenyl or phenyl which is substituted by 1 to 3 radicals A.sub.1, in which the radicals A.sub.1 independently of one another are C.sub.1 -C.sub.12 alkyl, halogen, hydroxyl, methoxy or ethoxy, or R.sub.22 is furthermore C.sub.5 -C.sub.8 cycloalkyl,R.sub.23 and R.sub.24 independently of one another are hydrogen or methyl, with the proviso thatR.sub.23 and R.sub.24 are not simultaneously methyl;R.sub.25 is hydrogen or C.sub.1 -C.sub.24 alkyl, or,if n is 2,R.sub.17 is a divalent radical of a hexose, a divalent radical of a hexitol, ##STR111##in which p and q are as defined above, --CH.sub.2 CH.sub.2 --T.sub.4 --CH.sub.2 CH.sub.2 --, --CH.sub.2 --CH.dbd.CH--CH.sub.2 --, --CH.sub.2 --C.ident.C--CH.sub.2 --, ##STR112##in whichR.sub.18 and R.sub.20 independently of one another are hydrogen or C.sub.1 -C.sub.12 alkyl or together are the radical --CH.sub.2 CH.sub.2 CH.sub.2 CH.sub.2 CH.sub.2 --,r is an integer ranging from 2 to 10,T.sub.4 is sulfur, ##STR113##in which R.sub.7 and R.sub.8 are as defined above, andR.sub.26 is hydrogen, C.sub.1 -C.sub.18 alkyl, phenyl or phenyl which is substituted by 1 to 3 radicals A.sub.1,in which the radicals A.sub.1 are as defined above in formula I, or R.sub.26 is furthermoreC.sub.5 -C.sub.8 cycloalkyl or ##STR114##in which R.sub.2 is as defined above, or,if n is 3,R.sub.17 is a trivalent radical of a hexose, a trivalent radical of a hexitol, ##STR115##in whichR.sub.27 is hydrogen, CH.sub.2 OH, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.18 alkylamido or ##STR116##in which Q, R.sub.12 and R.sub.15 are as defined above, or,if n is 4,R.sub.17 is a tetravalent radical of a hexose, a tetravalent radical of a hexitol,C.sub.4 -C.sub.10 alkanetetrayl, ##STR117##or,if n is 5,R.sub.17 is a pentavalent radical of a hexose or a pentavalent radical of a hexitol, or,if n is 6,R.sub.17 is a hexavalent radical of a hexitol or ##STR118##