N-Alkyl-N'-Poly(Oxyalkyl)Hexahydropyrimidine-Quaternary Ammonium Salts And The Use Thereof As Corrosion Inhibitors
申请人:LEINWEBER Dirk
公开号:US20150104349A1
公开(公告)日:2015-04-16
This invention relates to N-alkyl-N′-poly(oxyalkyl)hexapyrimidine-quaternary ammonium salts of the formulae (Ia)-(Ic) and mixtures thereof
in which
R
1
is C
8
-C
30
-alkyl or C
8
-C
30
-alkenyl,
R
2
is hydrogen, C
1
-C
3
-alkyl, —COOH or a group selected from the formulae
wherein
the bonding occurs via the valence containing the B residue,
B is a single bond or a C
1
to C
3
alkylene group
R
3
is C
1
-C
4
-alkyl, vinyl or allyl,
X
−
is methylsulfate or iodide,
A is a 1,2-alkylene group having from 2 to 10 carbon atoms, and
p is a number from 1 to 50.