Polyoxazolines in aqueous quenchants

Details Polyoxazolines in aqueous quenchants Polyoxazolines in aqueous quenchants

1983-12-16

1984-12-04

O'Keefe, Veronica

Metal treatment

Compositions

Heat treating

148 206, 148 28, 528402, C21D 156

Patent

active

044862466

ABSTRACT:
Metal, such as steel, is quenched in a quenching bath comprising an aqueous solution of a substituted oxazoline polymer, one example of which is polyethyloxazoline having a molecular weight of 50,000 to 500,000. The bath is capable of providing quenching effects similar to those produced by oil quenchants, as well as quenching times between those provided by oil and water.

REFERENCES:
patent: 3220893 (1965-11-01), Blackwood et al.
patent: 3483141 (1969-12-01), Litt et al.
patent: 4087290 (1978-05-01), Kopietz et al.
patent: 4381205 (1983-04-01), Warchol
patent: 4404044 (1983-09-01), Warchol
Chem. Rev., 71, No. 5, 483-505, 1971.
Polymer Letters, 4, 441-5, 1966.

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