MANNICH CONDENSATION PRODUCTS AS SEQUESTERING AGENTS FOR FUELS AND LUBRICATING OILS

摘要

Sequestering agents for use in fuels and lubricating oils derived from Mannich condensation reaction utilizing a polyisobutyl-substituted hydroxyaromatic compound, an aldehyde, an alkali metal base, and glycine or aspartic acid, or an ester thereof.

主权项

1. A compound of Formula I: wherein PIB is a polyisobutyl group having a number average molecular weight of about 1600 to about 3000; X is, independently, hydrogen, an alkali metal ion, an ammonium ion, or alkyl having one to ten carbon atoms; R′ is, independently, hydrogen or alkyl having one to 10 carbon atoms, cycloalkyl having from 3 to 10 carbon atoms, aryl having 6 to 10 carbon atoms, alkaryl having 7 to 20 carbon atoms, or aralkyl having 7 to 20 carbon atoms; Y is hydrogen, alkyl having 1 to 10 carbon atoms, or CHR′OH, or Z is hydrogen, hydroxyl, n is an integer from 0 to 20;
wherein if n is 0, then Z is and Y′ is H or —CHR′OH.