iminoéthers-1 3 cycliques : chimie et applications dans le domaine des additifs pétroliers et des matériaux organiques cyclic 1,3-iminoethers: chemistry and applications in the field of petroleum additives and organic materials
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Abstract
This article deals with the most common cyclic 1,3-iminoethers, i. e. 1,3-oxazines and 1,3-oxazolines. The first part reviews the syntheses of these compounds and some recent aspects of their chemistry, i. e. hydrolysis reactions, deprotonation reactions with ring opening, reactions with organometallic compounds, regioselective nucleophilic reactions on the corresponding iminoether salts, complexing properties with the metallic salts, aminolysis reactions leading to surfactant structures, and cationic polymerizations and copolymerizations. The second part is devoted to a survey of research dealing with applications. Concerning the field of petroleum additives, many products have been synthetized having in mind the stability of the oxazoline ring and its polar nature. Surfactant derivates coming from oxazoline having hydrocarbon chains have been claimed as dispersant and multifunctional additives for fuels and lubricants. Many multifunctional formulations (dispersant, antioxidant, antirust, antiwear, extreme pressure, friction reducing, etc. ) have been proposed. Some hydroxymethyl-oxazoline derivatives have lubricant properties, and others are of interest for drilling mud formulations. Concerning the field of materials, interest is being shown in the reactivity of the oxazoline ring for creating either chain extensions of thermoplastics or cross-linking for applications in paints and coatings. Oxazoline homopolymers, which have a very polar structure can be used as adhesion promoters or surfactants for polymerizations in emulsion. The use of stable oxazolines has also been claimed in enameling-varnish formulations for the coating of copper wires.
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p.2006oiliminothers-1
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| Journal | addiction (abingdon, england) |
| Year | 2006 |
| DOI |
10.2516/ogst:1986017
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