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A kind of water base lubricant and preparation method thereof

A technology for water-based lubricants and base rings, applied in the directions of lubricating compositions, chemical instruments and methods, additives, etc., can solve the problems of lack of raw materials, poor wear resistance, environmental pollution, etc., to improve performance and value, simple process, The effect of mild reaction conditions

Active Publication Date: 2020-12-22
INST OF CHEM IND OF FOREST PROD CHINESE ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Technical problem to be solved: In order to solve the problems of lack of raw materials, environmental pollution, and poor wear resistance in traditional extreme pressure lubricants, the present invention provides a water-based lubricant and its preparation method, which has the dual advantages of environmental protection, extreme pressure and anti-wear Effect

Method used

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  • A kind of water base lubricant and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] (1) Preparation of rubber seed oil-based epoxy

[0018] In a 500mL three-necked flask equipped with a heating mantle, a stirring device, and a thermometer, add 1mol of rubber seed oil, 10mol of epichlorohydrin, and 0.05% of the total mass of rubber seed oil and epichlorohydrin. Ammonium is used as a catalyst, the temperature is raised to 120°C, and the reaction takes 2 hours; at 50°C, under the action of 1mol sodium hydroxide and 10g calcium oxide, a ring-closing reaction occurs for 4 hours. Rubber seed oil based epoxy.

[0019] (2) Preparation of rubber seed oil-based polyol amine

[0020] In a 500mL three-neck flask equipped with a heating mantle, a stirring device, and a thermometer, add 1 mol of rubber seed oil-based epoxy and 1 mol of diethanolamine obtained in step (1), and react at 90°C for 2 hours; then reduce the pressure to -0.1~-0.09MPa , distill off the solvent ethyl acetate to obtain rubber seed oil-based polyol amine;

[0021] (3) Preparation of rubber ...

Embodiment 2

[0027] (1) Preparation of rubber seed oil-based epoxy

[0028] In a 500mL three-necked flask equipped with a heating mantle, a stirring device, and a thermometer, add 1 mol of rubber seed oil, 8 mol of epichlorohydrin, and benzyl triethyl chloride, which accounts for 1% of the total mass of rubber seed oil and epichlorohydrin. Ammonium is used as a catalyst, the temperature is raised to 100°C, and the reaction is 3h; at 70°C, under the action of 1mol of sodium hydroxide and 10g of calcium oxide, a ring-closing reaction occurs for 3h, and the excess epichlorohydrin is obtained by filtering sodium chloride and distilling off excess epichlorohydrin under reduced pressure. Rubber seed oil based epoxy.

[0029] (2) Preparation of rubber seed oil-based polyol amine

[0030] In a 500mL three-neck flask equipped with a heating mantle, a stirring device, and a thermometer, add 1 mol of rubber seed oil-based epoxy and 1 mol of diethanolamine obtained in step (1), and react at 70°C for ...

Embodiment 3

[0036] (1) Preparation of rubber seed oil-based epoxy

[0037] In a 500mL three-necked flask equipped with a heating mantle, a stirring device, and a thermometer, add 1 mol of rubber seed oil, 6 mol of epichlorohydrin, and benzyl triethyl chloride, which accounts for 2% of the total mass of rubber seed oil and epichlorohydrin. Ammonium is used as the catalyst, the temperature is raised to 110°C, and the reaction is for 1 hour; at 60°C, under the action of 1 mol of sodium hydroxide and 10 g of calcium oxide, a ring-closing reaction occurs for 5 hours, and the excess epichlorohydrin is obtained by filtering the sodium chloride and distilling off excess epichlorohydrin under reduced pressure. Rubber seed oil based epoxy.

[0038] (2) Preparation of rubber seed oil-based polyol amine

[0039] In a 500mL three-neck flask equipped with a heating mantle, a stirring device, and a thermometer, add 1mol of rubber seed oil-based epoxy and 1mol of ethanolamine obtained in step (1), and r...

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Abstract

A water-based lubricant and a preparation method therefor. Said method comprises: carrying out an epoxide ring-opening reaction of rubber seed oil and epichlorohydrin, and carrying out a ring-closing reaction under the action of sodium hydroxide and calcium oxide, so as to obtain a rubber seed oil-based epoxy; carrying out a ring-opening reaction of the rubber seed oil-based epoxy obtained in the first step with an alcohol amine compound in an inert organic solvent, so as to obtain a rubber seed oil-based polyolamine; carrying out an esterification reaction of an alcohol or alcohol ether and the rubber seed oil-based polyolamine with a phosphoryl chloride compound in an inert organic solvent, so as to obtain a rubber seed oil-based extreme pressure alcohol or a rubber seed oil-based extreme pressure ether; and dissolving the rubber seed oil-based extreme pressure alcohol or the rubber seed oil-based extreme pressure ether in an aqueous solution of a cellulose derivative, and obtaining, using the interaction of hydrogen bonds, a stable, green and environmentally friendly water-based lubricant. Said water-based lubricant has multiple effects of lubricity, environmental protection and extreme pressure wear resistance.

Description

technical field [0001] The invention belongs to the field of lubricants, and in particular relates to a preparation method of a green and environment-friendly water-based lubricant. Background technique [0002] The biodegradability of mineral oil-based lubricants is poor, and some of them have ecotoxicity. With the continuous enhancement of human environmental protection awareness and environmental protection legislation, the environmental pollution caused by mineral oil-based lubricants has attracted more and more attention. Because water-based lubricants have the advantages of adapting to environmental protection requirements, vast resources and low cost, they are the focus of current and future development of metalworking fluids and industrial equipment lubrication. [0003] At present, water-based lubricants have problems such as poor lubricity, stability, and corrosion resistance, and their use is limited. The research on water-soluble lubricating additives with stabl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M137/04C07F9/6584C10M173/02C10N30/06
CPCC07F9/6584C10M137/04C10M173/02C10M2209/12C10M2223/04C10N2030/06C10N2030/64
Inventor 夏建陵丁海阳李守海许利娜杨小华李梅
Owner INST OF CHEM IND OF FOREST PROD CHINESE ACAD OF FORESTRY