Abstract:
AN IMPROVED PROCESS FOR PRODUCING PHOSPHATE ESTER SURFACE ACTIVE AGENTS BY THE REACTION OF P2O5 AND AN ORGANIC HYDROXYL-CONTAINING COMPOUND, THE IMPROVEMENTS RELATING TO CONDUCTING SUCH REACTION IN THE PRESENCE OF A COLOR INHIBITOR COMPRISING BIS(HYDROXYMETHYL) PHOSPHINIC ACID.
WHEREIN R REPRESENTS ALKYL, ARYL OR ALKARYL RADICALS CONTAINING FROM 2 TO ABOUT 18 CARBON ATOMS, X REPRESENTS HALOGEN SUBSTITUENTS SUCH AS CHLORO, BROMO, FLUORO, M REPRESENTS AN INTEGER OF FROM 1 TO 37, Y REPRESENTS HYDROGEN, METHYL OR ETHYL, N REPRESENTS AN AVERAGE VALUE OF FROM 1 TO 10, R1 AND R2 ARE MEMBERS OF THE GROUP CONSISTING OF ALKYL AND HYDROXYALKYL RADICALS HAVING FROM 1 TO 3 CARBON ATOMS AND R3 IS A HYDROXYALKYL RADICAL OF FROM 1 TO 4 CARBON ATOMS AND Z IS AN ANION, SAID ANTISTATIC AGENT BEING PREPARED BY THE CONDENSATION OF HALOGEN SUBSTITUTED ALKYL, ARYL AND ALKARYL POLYETHYLENEOXY CHLOROCARBONATE WITH A SUBSTITUTED ALKYL DIAMINE WITH SUBSEQUENT ACIDIFICATION AND ALKOXYLATION SO AS TO PRODUCE THE DESIRED ANTISTATIC AGENT.