9 results about "Succinimide derivatives" patented technology

The booster additive concentrate can advantageously contain: (a) an antiwear mixture of two or more phosphite / phosphate compounds and one or more ether / sulphide compounds; (b) an ashless dispersant; (c) a calcium-containing detergent, such as an overbased calcium phenate; (d) >2 friction modifiers, at least one of which comprises a polyalkylene polyamine succinimide derivative; (e) optionally a corrosion inhibitor; and (f) a lubricating oil base stock. The booster additive concentrate can exhibit a specific content of B / Ca / P based on these additive components, and can contain minimal or substantially no additional antioxidants. A lubricant composition can be made from the booster additive concentrate and a fresh / used lubricating oil composition "diluent", which can rejuvenate the diluent. Such a lubricant composition can have advantageous anti-shudder durability (ASD) life and other friction properties. In particular, when used in a vehicle having a continuously variable transmission (CVT), such a concentrate / composition is able to provide excellent lubrication.

This disclosure relates to processes for preparing succinimide derivatives that are useful in the chemical arts, such as in the manufacture of products, such as lubricants and fuel additives. In parti

The invention provides a preparation method of a succinimide derivative containing sulfone and carbonyl units, and belongs to the technical field of organic synthesis. The preparation method comprises the following steps: adding a palladium catalyst, a ligand, alkali, 1, 6-enyne, amine, p-toluenesulfonyl iodide and formic acid into an organic solvent, reacting at 80 DEG C for 20-24 hours, and performing post-treatment to obtain the succinimide derivative containing sulfone and carbonyl units. The preparation method is easy to operate, and post-treatment is simple and convenient; the method has the advantages of cheap and easily available reaction starting raw materials, wide tolerance range of substrate functional groups, high reaction efficiency, one-step efficient and rapid synthesis of the succinimide derivative containing sulfone and carbonyl units, and strong practicality.

The invention discloses double-network hydrogel based on host-guest interaction and amino-imide reaction and a preparation method and application thereof, and relates to the field of intelligent hydrogel materials, the preparation method comprises the following steps: S1, grafting a beta-cyclodextrin amino derivative to polysuccinimide to obtain a polysuccinimide derivative with a host unit for later use; s2, amantadine is grafted to polysuccinimide, and a polysuccinimide derivative with a guest unit is obtained; and S3, mixing the polysuccinimide derivative with the host unit, the polysuccinimide derivative with the guest unit and an amino donor compound with deionized water, adjusting the pH value of the mixed system to be greater than 7, and reacting to obtain the dual-network hydrogel. The hydrogel is endowed with intelligence through the participation of the subject-object interaction of cyclodextrin and adamantane, the mechanical property of the hydrogel is guaranteed through the clamping of the covalent bond interaction, and the problem that the mechanical property and the intelligence of a conventional hydrogel material are not considered at the same time is solved.

An oil-soluble additive for a lubricant composition contains a metal salt of an organic acid, an aromatic amine, a succinimide derivative, an oil-soluble organic acid and zinc dialkyldithiophosphate. The lubricant composition comprises a base oil and the oil-soluble additive.

The present invention relates to the field of delivery systems. More specifically, the invention concerns microcapsules coated with a polysuccinimide derivative and can be used in several industries, in particular in the perfumery industry. Perfuming compositions and perfumed consumer products comprising these microcapsules are also objects of the invention.

This application discloses succinimide derivatives in the field of organic chemistry, with the general structural formula shown in Formula V. During preparation, compound I reacts with compound II to yield compound III; compound III reacts with compound IV in the presence of a condensing agent to yield succinimide derivative V. The succinimide derivatives of this application can be used in the preparation of sedative, tranquilizing, nootropic, anticonvulsant, antiepileptic, antineuralgia, anti-anxiety, antidepressant, antidementia, and / or brain injury protective drugs.

This disclosure relates to processes for preparing succinimide derivatives that are useful in the chemical arts, such as in the manufacture of products, such as lubricants and fuel additives. In particular, the present disclosure pertains to novel processes for preparing certain succinimide derivatives.