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Nano lubricating oil additive, preparation method and application thereof

A lubricating oil additive, nanotechnology, applied in additives, lubricating compositions, petroleum industry, etc., can solve the problems of poor high temperature stability of chemical protective film, blockage of oil circuit, oil filter, aggravated engine wear, etc., to reduce friction coefficient, improve lubricating performance, increase the effect of liquid film pressure bearing capacity

Inactive Publication Date: 2010-06-02
BEIJING YICHENGJUN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ordinary anti-wear agents use chemical film-forming technology, containing Teflon, aluminum, graphite, zinc and other metal components. The chemical protective film formed by it has poor high-temperature stability and is easy to fall off, which will directly aggravate the wear of the engine and block the oil circuit and oil. filter, causing the engine to go into overhaul prematurely
For example: the patent application for invention with the Chinese patent publication number CN1412283A discloses a kind of engine anti-wear additive, and the anti-wear additive contains organic metal salt; The compound contains phosphide; the invention patent application with Chinese patent publication number CN1403547A discloses a lubricating oil additive. Although these additives can reduce friction, due to the addition of sulfur, phosphorus, etc., long-term use will cause damage to mechanical equipment. certain corrosion

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] Embodiment 1 nano-bionic vehicle lubricating oil additive

[0060] Weigh the raw materials by the following parts by weight:

[0061] Nanodiamond (6-80nm) 1.0 parts

[0062] Nano gold particles (10 nanometers) 1.5 parts

[0063] 4 parts dodecyl petroleum sulfonic acid

[0064] 6 parts glycerol or n-heptanol

[0065] n-octylamine 2 parts

[0066] 10 parts white oil;

[0067] Preparation of nano-diamonds (6-80 nanometers): Nano-diamonds were prepared according to the following literature: Jin Zenshou, Xu Kang. Preparation of nanodiamonds by explosive detonation. Energetic Materials, 1999, 7(1): 38-44.

[0068] Preparation of nano-gold solution: disperse nano-gold (nano-gold purchased from Beijing Institute of Nonferrous Metals, its specification is particle size 8-10 nm) into the aqueous solution to form a neutral solution with stable and uniform color;

[0069] Add the 6-80 nanometer diamond and the prepared nano-gold solution into the reaction kettle at 1.5 atmo...

Embodiment 2

[0070] Embodiment 2 Nano gear oil additive

[0071] Select raw materials according to the following weight ratio:

[0072] Nanodiamond (6-80nm) 1 part

[0073] Nano silver (10 nanometers) 2 parts

[0074] 3.8 parts of stearic acid

[0075] 5.8 parts of propylene glycol monoethyl ether

[0076] Octadecylamine 2 parts

[0077] 10 parts white oil;

[0078] Preparation of nano-diamonds: Nano-diamonds were prepared according to the following documents: Jin Zengshou, Xu Kang. Preparation of nanodiamonds by explosive detonation. Energetic Materials, 1999, 7(1): 38-44.

[0079] Preparation of nano-silver gel: Nano-silver with a particle size of 10nm (nano-silver was purchased from the Beijing Institute of Nonferrous Metals, and its specification is a particle size of 10 nm, non-toxic, tasteless, safe, and non-irritating) is dispersed in an aqueous solution to form a gel ;

[0080] Add 6-80 nanometer diamonds and the prepared nanosilver gel into the reaction kettle at 1.5 atmo...

Embodiment 3

[0081] Embodiment 3 nano-bionic industrial grease additive

[0082] Select raw materials according to the following weight ratio:

[0083] Nanodiamond (12nm) 1 part

[0084] Nano copper (6-80 nanometers) 2.5 parts

[0085] Salicylic acid 3.7 parts

[0086] Octadecyl (triethoxy) silane 6.2 parts

[0087] Heptyloxybenzoic acid 2 parts

[0088] 10 parts white oil;

[0089] Preparation of nano-diamond (12nm): Nano-diamond was prepared according to the following literature: Jin Zengshou, Xu Kang. Preparation of nanodiamonds by explosive detonation. Energetic Materials, 1999, 7(1): 38-44.

[0090] Preparation of nano-copper gel: Nano-copper with a particle size of 16nm (nano-copper is from the Beijing Institute of Nonferrous Metals, its specification is a particle size of 16 nm, non-toxic, tasteless, safe, and non-irritating) is dispersed in an aqueous solution to form a gel;

[0091] Add nano-diamond (6-80 nanometers) and the prepared nano-copper gel into the reaction kettl...

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Abstract

The present invention discloses nanometer lubricating oil additive, a preparation method and an application. The additive consists of the following components according to the amounts by weight, namely, 0.5 to 5 parts of nanometer adamas, 0.8 to 10 parts of metal nanometer particles, 2 to 15 micro-emulsification surface active agent, 3 to 20 parts of micro-emulsification agent, 0.5 to 10 parts ofanti oxidant additive, and 8 to 20 parts of white oil. The nanometer lubricating oil additive of the present invention can be added into a variety of industrial lubricating oil, to lead the nanometerlubricating oil additive to have more outstanding operational performance, the friction can be obviously reduced, the corrosion of the machine is alleviated, the lubricating oil additive has the protective or reparative effect to the equipment or the parts and components, the service lives of the machine, equipment or the parts and components are effectively prolonged, and a great variety of difficult problems caused by friction and abrasion, the lubrication and the maintenance, or the servicing are solved. In addition, the nanometer lubricating oil additive of the present invention is even and transparent brown yellow liquid, thereby overcoming the defaults of nontransparency and instability, etc. existing in the tradition lubricating oil additive.

Description

technical field [0001] The invention relates to a lubricating oil additive, in particular to a nano-diamond and nano-metal composite lubricating oil additive and a preparation method thereof, belonging to the field of chemical industry. Background technique [0002] There are many existing lubricating oil additives, but most of them are traditional anti-extreme pressure additives containing organic metal salts, phosphorus, sulfur, etc. Pressure additives or anti-wear additives. Under extreme pressure conditions of lubricating oil or when the friction pair is in boundary lubrication, a layer of boundary film with properties different from that of the lubricating medium is formed on the metal surface, which effectively prevents direct contact between metals and reduces friction and wear. However, extreme pressure additives are generally compounds containing toxic molybdenum and chlorine). Ordinary anti-wear agents use chemical film-forming technology, containing Teflon, alumi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M149/06C10M135/10C10M129/26C10M129/04C10M125/04C10N30/06C10N30/12
Inventor 龚循安
Owner BEIJING YICHENGJUN TECH
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