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Preparation method of magnesium ion exchanged layered magnesium phosphate and application method of magnesium ion exchanged layered magnesium phosphate

An exchange type, magnesium ion technology, applied in chemical instruments and methods, phosphorus compounds, inorganic chemistry, etc., to achieve the effects of less environmental pollution, simple synthesis process, and easy availability of raw materials

Inactive Publication Date: 2014-09-17
TAIYUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

So far, magnesium ion-exchange layered magnesium phosphate materials have not been reported directly in the field of lubrication as lubricant additives.

Method used

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  • Preparation method of magnesium ion exchanged layered magnesium phosphate and application method of magnesium ion exchanged layered magnesium phosphate
  • Preparation method of magnesium ion exchanged layered magnesium phosphate and application method of magnesium ion exchanged layered magnesium phosphate
  • Preparation method of magnesium ion exchanged layered magnesium phosphate and application method of magnesium ion exchanged layered magnesium phosphate

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Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0017] Take 3.0 g of choline chloride and 5.42 g of oxalic acid (molar ratio = 2.0), respectively, and place them in a beaker, mix well, and heat at 100 °C to a colorless transparent liquid to obtain the desired ionic liquid, which is cooled to room temperature and becomes a white solid. The prepared 8.42 g ionic liquid, 0.2 g magnesium acetate, 0.54 g H3 PO 4 Add 20 mL polytetrafluoroethylene-lined stainless steel reaction kettle, the final raw material ratio is: magnesium acetate: H 3 PO 4 : ionic liquid (molar ratio) = 1 : 5 : 67, put the reactor in an oven at 180°C, crystallize for 72 h, take out the reactor, wash the obtained solid product with distilled water and ethanol, filter, and dry to obtain magnesium Ion-exchange layered magnesium phosphate product.

Embodiment approach 2

[0019] Take 3.0 g of tetrapropylammonium bromide and 2.75 g of benzoic acid (molar ratio=0.5) respectively, place them in a beaker, mix well, and heat to a colorless transparent liquid at 110 ° C to obtain the required ionic liquid, which is cooled to room temperature. white solid. The prepared 5.75 g ionic liquid, 0.14 g magnesium chloride, 0.05 g H 3 PO 4 Add 20 mL of polytetrafluoroethylene-lined stainless steel reaction kettle, the final raw material ratio is: magnesium chloride: H 3 PO 4 : ionic liquid (molar ratio) = 1 : 1 : 50, put the reaction kettle in an oven at 200 °C, after crystallization for 36 h, take out the reaction kettle, wash the obtained solid product with distilled water and ethanol, filter and dry to obtain magnesium Ion-exchange layered magnesium phosphate product.

Embodiment approach 3

[0021] Take 3.0 g of tetraethylammonium bromide and 1.69 g of succinic acid (molar ratio = 1.0) respectively, place them in a beaker, mix well, heat to a colorless transparent liquid at 120 °C to obtain the required ionic liquid, and cool to room temperature It is a white solid. The prepared 4.69 g ionic liquid, 0.092 g magnesium nitrate, 0.05 g H 3 PO 4 Add 20 mL polytetrafluoroethylene-lined stainless steel reaction kettle, the final raw material ratio is: magnesium nitrate: H 3 PO 4 : ionic liquid (molar ratio) = 1 : 2 : 80, put the reactor in an oven at 130°C, crystallize for 72 h, take out the reactor, wash the obtained solid product with distilled water and ethanol, filter, and dry to obtain magnesium Ion-exchange layered magnesium phosphate product.

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Abstract

A preparation and application method of a magnesium ion-exchange layered magnesium phosphate material, which belongs to the field of inorganic functional materials, is characterized in that a magnesium compound, a phosphorus-containing compound and an ionic liquid are added to a stainless steel with a polytetrafluoroethylene lining for reaction Stir evenly in the kettle, seal it, put it into an oven for crystallization, take out the reaction kettle, cool at room temperature, wash with distilled water and ethanol, and filter to obtain a magnesium ion exchange layered magnesium phosphate material. The preparation method directly prepares the magnesium ion exchange type layered magnesium phosphate material, the raw material is cheap and easy to obtain, the synthesis process is simple, green and environment-friendly, and the obtained product has the characteristics of uniformity and stability. Magnesium ion-exchange magnesium phosphate material has a stable molecular structure and good mechanical stability. It is added to the lubricating base oil by ultrasonic, heating and stirring as a solid lubricating additive. It has good adaptability to different types of base oil. Significantly improve the bearing capacity and anti-wear and anti-friction capacity of oil products.

Description

technical field [0001] The invention discloses a preparation and application method of a magnesium ion-exchange layered magnesium phosphate material, which belongs to the field of inorganic functional materials, and specifically relates to a method for directly preparing a magnesium ion-exchange layered magnesium phosphate material by an ionic liquid thermal method and preparing the prepared The material is used as a solid lubricant additive in the field of lubrication. Background technique [0002] The ionic liquid thermal synthesis method is a new inorganic crystal material synthesis method reported by the research group of Professor Russell Morris of St Andrews University in the UK in 2004. It is different from the traditional solvothermal synthesis method, and its characteristic is that the ionic liquid can be used in the synthesis system. It also acts as a solvent and a templating agent. At the same time, the types of ionic liquids are very rich, which provides a new w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B25/34C10M125/26C10N30/06
Inventor 董晋湘张效胜徐红马慧娟
Owner TAIYUAN UNIV OF TECH
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