REACTION PRODUCTS FROM REACTIONS OF POLYISOBUTENES WITH NITROGEN OXIDES OR MIXTURES OF NITROGEN OXIDES AND OXYGEN AND THEIR APPLICATION AS ADDITIVES TO ENGINE FUELS AND LUBRICANTS

摘要

Reaction products of polyisobutenes having an average degree of polymerization P of from 10 to 100 and a content E of from 60 to 90% of double bonds which can react with maleic anhydride, E=100% corresponding to the theoretical value for the case where each molecule of the polyisobutene has such a reactive double bond, with oxides of nitrogen or mixtures of oxides of nitrogen and oxygen, are suitable as additives for fuels, in particular for gasoline engines, and for lubricants.