Method, resin and catalyst for increasing the tensile strength a

Details Method, resin and catalyst for increasing the tensile strength a Method, resin and catalyst for increasing the tensile strength a

1978-03-27

1980-09-02

Person, Sandra M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 318T, 260 38, 260 39R, C08K 511

Patent

active

042205786

ABSTRACT:
The tensile strength and core hardness of a sand mold or core is increased by incorporating into a mixture of a thermosetting acid-hardenable resin and sand, a dialkyl ester of the formula:

REFERENCES:
patent: 1720051 (1929-07-01), Norton
patent: 2321766 (1943-06-01), Murdock
patent: 2912406 (1959-11-01), Less et al.
patent: 3008205 (1961-11-01), Blaies
patent: 4070327 (1978-01-01), Junger et al.

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