Process for cleaning metal surfaces

Details Process for cleaning metal surfaces Process for cleaning metal surfaces

1982-07-22

1984-05-01

Bashore, Jr., S. Leon

Cleaning and liquid contact with solids

Processes

For metallic, siliceous, or calcareous basework, including...

134 28, 134 38, 134 41, C23G 502

Patent

active

044459416

ABSTRACT:
A process for the removal of poly(arylene sulfide) deposits on metal surfaces is provided by contacting the deposit with at least one diaryl ether under temperature conditions and for a time sufficient to remove said poly(arylene sulfide) deposits. A process for the cleansing of metal parts having poly(arylene sulfide) deposits is also provided which comprises treatment with a diaryl ether, and thereafter contacting the ether treated part with an alcohol, washing the part with water, drying the part, and thereafter contacting the dried part with concentrated HNO.sub.3 followed by water washing and drying.

REFERENCES:
patent: 3369935 (1968-02-01), Booth et al.
patent: 4118363 (1978-10-01), Smith

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