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(1) Used as energy-saving anti-smoke and anti-explosive agents for fuels. For example, it is used to make gasoline antiknock agent, rocket propellant burning speed catalyst, aerospace solid fuel and so on.
(2) Used as catalyst. For example, it is used to make ammonia catalyst, as the maturing agent of silicone resin and rubber, it can prevent the degradation of polyethylene to light, and it can be used in agricultural film to make it naturally degraded and cracked in a certain period of time, which does not affect the cultivation and fertilisation.
(3) Used as petrol antiknock agent. It can replace the toxic tetraethyl lead in gasoline as an antiknock agent, and make high-grade unleaded gasoline to eliminate the environmental pollution of fuel emissions and the toxicity of the human body.
(4) Used as radiation absorber, heat stabiliser, light stabiliser and smoke retardant.
(5) Chemically, ferrocene is similar to aromatic compounds, it is not easy to have addition reaction, but easy to have electrophilic substitution reaction, and it can be metalised, acylated, alkylated, sulphonated, formylated, and exchanged with complexes, so that it can be used to prepare a series of derivatives with a wide range of uses.
Uses of Ferrocene.
Ferrocene is a metal-organic compound with a sandwich structure. Ferrocene and its derivatives are widely used because of their own characteristics, such as hydrophobicity, bio-oxidisability, aromaticity, stability, low sex, biological activity and so on. Such as catalysts. Anti-blast additive for petrol. High temperature lubricant. High temperature polymer intermediates. Ultraviolet light absorber.
Used as catalyst and anti-detonation additive for gasoline Used as energy-saving anti-smoke and combustion additive: It can be used in all kinds of fuels, such as diesel fuel, gasoline, heavy oil, coal and so on. Adding 0.1% ferrocene in automotive diesel can save fuel oil 10-14%, increase rate 10-13%, and reduce smoke level in exhaust gas by 30-80‰.
In addition, add 0.3 ‰ in heavy oil, coal, add 0.2% of ferrocene, can make the fuel consumption decline, at the same time, the smoke decreased by 30%; ferrocene added to gasoline can also improve the octane number of gasoline, improve the fuel combustion performance of the anti-explosive vibrations.
Preparation of Ferrocene.
Product Method of Ferrocene.
It is obtained by heating iron powder and cyclopentadiene in nitrogen atmosphere at 300℃, or by reacting anhydrous ferrous chloride with sodium cyclopentadiene in tetrahydrofuran, or by electrolytic synthesis method, the synthesis of ferrocene using cyclopentadiene, ferrous chloride and diethylamine as raw materials can be operated according to the following method. Under stirring, anhydrous ferric chloride (FeCL3) is put into tetrahydrofuran in several times, and then iron powder is added, and heated under nitrogen protection and reflux for 4.5h to get ferrous chloride solution.
The solvent tetrahydrofuran was evaporated under reduced pressure to give a nearly dry residue. Cooled in an ice bath, add a mixture of cyclopentadiene and diethylamine, stirring vigorously at room temperature for 6-8h, evaporate the excess amine under reduced pressure, the residue was extracted with petroleum ether reflux. The extract was filtered while hot, and the crude ferrocene was obtained after evaporating the solvent. Recrystallised with pentane or cyclohexane, or sublimation method to put forward the purity, that is, the refined product yield 73-84%.
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