申请人:——
公开号:US20040054231A1
公开(公告)日:2004-03-18
Ionic compounds having a freezing point of no more than 50° C., formed by the reaction of at least one amine salt of the formula R
1
R
2
R
3
R
4
N
+
X
−
(I) with at least one hydrated salt, which is a chloride, nitrate, sulphate or acetate of Li, Mg, Ca, Cr, Mn, Fe, Co, Ni, Cu, Zn, Cd, Pb, Bi, La or Ce; wherein R
1
, R
2
and R
3
are each independently a C
1
to C
5
alkyl or a C
6
to C
10
cycloalkyl group, or wherein R
2
and R
3
taken together represent a C
4
to C
10
alkylene group, thereby forming with the N atom of formula (I) a 5 to 11 membered heterocyclic ring, and wherein R
4
is hydrogen, or phenyl, or C
1
to C
12
alkyl or cycloalkyl group, optionally substituted with at least one group selected from OH, Cl, Br, F, I, phenyl, NH
2
, CN, NO
2
, COOR
5
, CHO, COR
5
and OR
5
, wherein R
5
is a C
1
to C
10
alkyl or cycloalkyl group, and X
−
is an anion capable of being complexed by the said hydrated salt. The compounds are useful as solvents, electrolytes, and catalysts, and have particular application in solvents/electrolytes for metal plating and electropolishing processes, in particular in chromium plating.
具有冰点不超过50°C的离子化合物,由至少一种胺盐(化学式为R1R2R3R4N+X−(I))与至少一种水合盐反应形成,所述水合盐是Li、Mg、Ca、Cr、Mn、Fe、Co、Ni、Cu、Zn、Cd、Pb、Bi、La或Ce的氯化物、硝酸盐、硫酸盐或醋酸盐;其中R1、R2和R3分别独立地是C1到C5烷基或C6到C10环烷基,或者R2和R3一起代表C4到C10烷基烯基,从而与化学式(I)中的N原子形成5到11个成员的杂环环,其中R4是氢、苯基、C1到C12烷基或环烷基,可选择地取代至少一个来自OH、Cl、Br、F、I、苯基、NH2、CN、NO2、COOR5、CHO、COR5和OR5的基团,其中R5是C1到C10烷基或环烷基,X−是能够被所述水合盐络合的阴离子。这些化合物可用作溶剂、电解质和催化剂,在金属镀覆和电化学抛光过程中具有特殊应用,特别是在铬镀中。