Phenylene sulfide oligomer production
AssigneePhillips Petroleum Company
InventorRichard T. Hawkins
Life of this patent
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Abstract
Phenylene sulfide oligomers are produced by heating at least one aromatic sulfide in an oxygen-containing gaseous atmosphere at an elevated temperature and for a period of time sufficient to form the oligomers. The oligomers can be cured by heating in an oxygen-containing atmosphere while the oligomers are being produced or in a subsequent step after production to yield cured oligomers having utility as coatings, films, and the like.
Claims17
A process for the production of phenylene sulfide oligomers which comprises heating at least one aromatic sulfide having the formula ##STR11## where m is an integer of 1, 2, or 3 and where the structure of each ##STR12## is selected from ##STR13## in an atmosphere of an oxygen-containing gas and at an elevated temperature and for a period of time sufficient to form a phenylene sulfide oligomer represented by the formula ##STR14## where n is an integer of 2 to about 12 and where the structure of each ##STR15## is selected from ##STR16##
Dependencies are inferred from the claim text.