首页>
外国专利>
Imide-Diurea and imide-urethane urea grease thickeners and organic solvent free process for preparation thereof
Imide-Diurea and imide-urethane urea grease thickeners and organic solvent free process for preparation thereof
展开▼
机译:酰亚胺-二脲和酰亚胺-氨基甲酸酯脲油脂增稠剂及其制备方法
展开▼
页面导航
摘要
著录项
相似文献
摘要
An organic solvent free process for the preparation of a grease thickener which is at least one of an imide-diurea and an imide-urethane urea includes (a) providing approximately equimolar amounts of reagents including dibasic acid selected from the group consisting of succinic acid, glutaric acid, phthalic acid, and anhydrides thereof, reactant selected from the group consisting of a primary diamine and a primary amino hydroxy compound, and having 2 to 10 carbon atoms, toluene diisocyanate, and primary monoamine having 8 to 22 carbon atoms; (b) reacting the dibasic acid with the reactant to provide a first reaction mixture; (c) reacting the first reaction mixture with the toluene diisocyanate to provide a second reaction mixture; and (d) reacting the second reaction mixture with the primary monoamine to provide said grease thickener.
展开▼