Method of refining esters of organophosphorus
Abstract
Abstract WHEREIN R1, R2 AND R3 INDIVIDUALLY REPRESENT ALKYL, ARYL, ALKARYL, ARALKYL, HALOALKYL, HALOARYL, NITROALKYL, NITROARYL, ALKOXYALKYL, ALKOXYARYL, CYANOARYL, HALOALKARYL AND ALKYLTHIOALKYL, AND X REPRESENTS OXYGEN, SULFUR, OR A CARBON-PHOSPHORUS BOND, AT LEAST TWO OF X BEING OXYGEN OR SULFUR, ARE PREPARED WHEREIN CERTAIN WASH-IMPROVING AGENTS ARE ADDED TO THE LYE AND/OR WATER WASHES DURING THE REFINING OF THE CRUDE ORGANOPHOSPHORUS ESTERS. THE ORGANOPHOSPHORUS ESTERS PREPARED BY THE METHOD OF THIS INVENTION HAVE UTILITY AS FLEXIBILIZING PLASTICIZERS FOR POLYVINYLCHLORIDE COMPOSITIONS, AS SYNTHETIC LUBRICANTS AND FORCE TRANSMISSION FLUIDS, AS FILM-FORMING ADDITION AGENTS FOR EXTREME PRESSURE LUBRICANTS AND AS INSECTICIDES. ORGANOPHOSPHORUS ACID ESTERS OF THE FORMULA R1-X-P(=X)(-X-R2)-X-R3
Inventors
- 👤 James E Caldwell
- 👤 Ronald R Sorrell
Bibliographic Details
Claims Analysis
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