PROCESS FOR PRODUCING ORI CONTROL ADDITIVES

摘要

IMPROVED PROCESS FOR PRODUCING ORI CONTROL ADDITIVE (D#79,113 ? An improvement in a method of producing an ORI control additive which is the reaction product of a polybutenyl succinic anhydride and a polyoxyalkylene diamine, wherein the improvement comprises reacting solvent free the anhydride and diamine at an increased temperature and monitoring the absorbancy of the reaction product to determine the degree of reaction completion.