Liquid antiozonant mixtures obtained from the process comprising simultaneously reacting at least one unsubstituted and/or substituted paraphenylenediamine compound with a carbonyl compound mixture comprising acetone and at least one other carbonyl compound selected from the group consisting of ketones containing from 4 to about 12 carbon atoms, aldehydes containing from 1 to about 12 carbon atoms and mixtures thereof in the presence of a reductive alkylation catalyst is provided. Rubber compositions containing the liquid antiozonant mixtures is also provided.
本发明提供了从以下工艺中获得的液体防臭剂混合物:在还原烷基化催化剂存在下,至少一种未取代和/或取代的
对苯二胺化合物与一种羰基化合物混合物同时反应,该羰基化合物混合物包括
丙酮和至少一种其他羰基化合物,这些羰基化合物选自由含 4 至 12 个碳原子的酮、含 1 至 12 个碳原子的醛及其混合物组成的组。还提供了含有液态抗
臭氧混合物的橡胶组合物。