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Patent Searching and Data


Title:
REMOVER FOR ORGANIC SELF-HARDENED MOLDING SAND
Document Type and Number:
Japanese Patent JPH10235467
Kind Code:
A
Abstract:

To scarcely develop troubles on the working circumference and on the treatment without developing offensive order at the time of collapsing binder by containing a specific quantity of easily-water-soluble and basic amino group compound to water-soluble molding sand remover used at the time of removing the molding sand stuck to a kneader, molding machine, etc.

The used amino group compound is selected to one or more among group of methoxy propylamine, ethyoxy propylamine, dimethyl formamide, iminobis propylamine, dimethyl acrylamide, methylpyrolidone, pyrolidine, bengylamine, cyclohorylamine and tetramethyl diamino propane. This content is 0.1-80wt.% standard at the time of using the remover and further, it is desirable to add interface activator of alkyl betain, etc., and a thickner of liquid polyethylene glycol, etc.


Inventors:
YAMAMOTO TETSUYA
Application Number:
JP3945197A
Publication Date:
September 08, 1998
Filing Date:
February 24, 1997
Export Citation:
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Assignee:
TETRA KK
International Classes:
B22D43/00; B22D29/00; (IPC1-7): B22D43/00; B22D29/00
Attorney, Agent or Firm:
Akio Iida (1 person outside)