PURPOSE: To obtain the subject additive having improved standing stability and fluidity containing nitrogen compound such as specific polyether compound or polyamine aliphatic acid amide and clay mineral.
CONSTITUTION: The aimed additive contains (A) polyether compound composed of (i) polyether compound obtained by adding alkylene oxide containing ethylene oxide (EO) as essential ingredient to aliphatic aldehyde condensate of a compound having aromatic ring and 1-2 active hydrogen atoms and/or (ii) polyether compound obtained by adding alkylene oxide containing EO as essential ingredient to a compound having aromatic ring and 1-2 active hydrogen atoms and condensed with aliphatic aldehyde, (B) a compound composed of (i) polyamine aliphatic acid amide obtained by reacting 6-30C fatty acid and 2-30N polyamine and/or (ii) amine-based compound composed of amine having 1-3 long chain aliphatic hydrocarbon groups, amine salt or quaternary ammonium salt and (C) clay mineral.
SUGAWARA HITOSHI
ITO KOICHI
JAPAN COM CO LTD