This invention relates to dispersant compositions, comprising a Mannich adduct as emulsifier in a water in oil emulsion, from a) a hydroxyaromatic compound with hydrocarbon substituent(s) of formula (I) (R
1
)
n
Ar(OH)
x
, where R
1
=a hydrocarbon, chosen from a straight or branched-chain C
6
-C
400
alkyl, C
6
-C
400
alkenyl, C
6
-C
400
alkenylaryl, or C
6
-C
400
alkylaryl group; Ar=a mono- or multi-nuclear, optionally substituted aromatic ring; n=1, 2 or 3; and x=1 to 5; b) formaldehyde, an oligomer or polymer thereof; and c) a nitrogen compound, chosen from an amine and ammonia, comprising at least one primary or secondary amino function.
本发明涉及分散剂组合物,其中包含一种曼尼希加成物作为油包
水型乳液中的
乳化剂,该加成物来自 a) 具有式 (I) (R1) 取代基的烃类的羟基芳香族化合物; b) 具有式 (I) (R2) 取代基的烃类的羟基芳香族化合物; c) 具有式 (I) (R3) 取代基的烃类的羟基芳香族化合物。
1
)
n
Ar(OH)
x
其中 R
1
等于烃,选自直链或支链 C
6
-C
400
烷基、C
6
-C
400
烯基,C
6
-C
400
烯芳基,或 C
6
-C
400
烷芳基;Ar 等于单核或多核的任选取代芳香环;n 等于 1、2 或 3;x 等于 1 至 5; b)
甲醛、其低聚物或聚合物;以及 c) 含有至少一个伯
氨基或仲
氨基官能团的氮化合物,选自胺和
氨。