Mannich reaction product and process for producing the same and use of the product
AssigneeIdemitsu Kosan Co., Ltd.
InventorsTomiyasu Minokami, Hiroaki Koshima, Hirotaka Yamasaki, Masahisa Gotoh
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Abstract
Disclosed is a substance useful as a detergent-dispersant which has excellent stability at high temperatures and has an oxidation stability, a detergent-dispersant containing the same, a process of producing it, and fuel oil and lubricating oil composition comprising it.
Claims12
A Mannich reaction product which is obtained by reacting an alkenyl succinic acid or an alkenyl succinic anhydride with a polyamine containing at least one primary amino group and at least one further primary or secondary amino group;
- an aldehyde;
- and a sulfurized alkylphenol represented by the general formula (I):
- ##STR9## wherein R.sup.2 indicates an alkyl group having 4 to 25 carbon atoms, m indicates an integer of 1 to 8, x indicates 1 or 2, and z indicates an integer of 1 to 9.
A Mannich reaction product which is obtained by reacting an alkenyl succinic acid or an alkenyl succinic anhydride with a polyamine containing at least one primary amino group and at least one further primary or secondary amino group;
- an aldehyde;
- a sulfurized alkylphenol represented by the general formula (I):
- ##STR11## wherein R.sup.2 indicates an alkyl group having 4 to 25 carbon atoms, m indicates an integer of 1 to 8, x indicates 1 or 2, and z indicates an integer of 1 to 9, and a born-containing compound.
Dependencies are inferred from the claim text.