| abstract |
(57) [Summary] [Structure] Phenol / aldehyde modified resin (A) and at least one selected from fatty acids, aliphatic alcohols, aliphatic amines, aliphatic amides and aliphatic alkanolamides. (B) and a binder composition for a mold, which comprises the essential components, a mold composition containing the binder composition, and a mold using the binder composition Method. [Effect] The sand fluidity can be significantly improved as compared with the conventional manufacturing method. Especially in recycled sand, the effect is remarkable. |