Aqueous quenchants containing polyoxazolines and n- vinyl...

Details Aqueous quenchants containing polyoxazolines and n- vinyl... Aqueous quenchants containing polyoxazolines and n- vinyl...

C - Chemistry, Metallurgy

21

D

148/37.3

C21D 1/60 (2006.01) C08G 73/02 (2006.01)

Patent

CA 1250513

Abstract of the Invention A process for quenching metals, particularly steel, using as the quenching bath an aqueous composition containing (a) a substituted oxazoline polymer and (b) an N-vinyl heterocyclic polymer or copolymer in which the heterocyclic group is composed of carbon, nitrogen and hydrogen. The quenching bath provides reduced cooling rates through the martensite temperature ranges.

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