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Lubricating oil composition and application thereof

A lubricating oil composition and composition technology, applied in the direction of lubricating compositions, petroleum industry, additives, etc., can solve problems such as human health hazards, achieve the effects of meeting process requirements, improving oil mist resistance, and reducing concentration

Inactive Publication Date: 2017-09-15
CHINA PETROLEUM & CHEM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the cold heading forming process, the lubricating oil has to go through the process of pump circulation, spraying and high-temperature evaporation, so a large amount of oil mist will be generated. These oil mist are suspended in the air as small particles, and the oil mist particles with a diameter of less than 5 μm It can reach the alveoli of the human body along with the breathing process of the operator and settle in the lungs, thereby causing harm to human health

Method used

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  • Lubricating oil composition and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～3

[0021] Add base oil and polymer additives in proportion, heat and stir to 60~70℃, until the mixture is uniform, then add the mixture to the cold heading oil composition in a certain proportion, stir and heat to 40~50℃, until the mixture All dissolved in a transparent state, the composition of the present invention is prepared. The specific components and product performance of the composition are shown in Table 1.

[0022] Table 1

[0023]

[0024] As shown in the test results of the examples in the table, the oil mist concentration test results of [Examples 1 to 3] are all 1.0mg / m 3 Below, the oil mist concentration is significantly lower than that of M0619 cold heading lubricant and M0618 cold heading lubricant, indicating that the embodiment has good oil mist resistance and can reduce the health of operators due to excessive oil mist concentration at the processing site.

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Abstract

The invention relates to a lubricating oil composition and application thereof. The lubricating oil composition comprises, by weight, a) 90.0 to 98.0 parts of a cold heading oil composition, b) 1.0 to 10.0 parts of a mineral oil with a viscosity index, and c) 0.4 to 5.0 parts of a high-molecular polymer additive, wherein the cold heading oil composition is M0619 or M0618 cold-heading lubricating oil; the mineral oil is isodewaxed and hydrogenated base oil or deeply refined mineral oil; and the high-molecular polymer additive is at least one selected from a group consisting of polymethacrylate, polyisobutylene, polybutadiene and an ethylene-propylene copolymer. The composition can be used for lubrication of cold-heading forming, has low capability in production of oil mist and is beneficial for improving the working environment of a processing workshop.

Description

Technical field [0001] The invention relates to a lubricating oil composition and application. Background technique [0002] Cold heading is a forging method that uses a mold to apply external force to the metal at room temperature to form the metal in a predetermined mold. It is usually used to make the head of screws, bolts, rivets, etc., which can reduce or replace cutting. Cold heading is mostly carried out on a dedicated cold heading machine. The cutting, heading, accumulation, forming, chamfering, thread rolling, diameter reduction and trimming can be completed in sequence on the cold heading machine, which can realize continuous and multi-station , Automated production, suitable for mass production of fasteners. [0003] At present, the commonly used lubricating oil for cold heading processing is mainly mineral oil type lubricating oil, which generally has the problem of relatively large amount of oil mist generated during processing. Because the lubricating oil undergoes ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M165/00C10N30/00C10N40/24
CPCC10M165/00C10M2203/10C10M2205/022C10M2205/024C10M2205/026C10M2209/084C10N2030/30C10N2040/24
Inventor 徐魏巩亚周霞益梅蓉韩旭燕林漪齐
Owner CHINA PETROLEUM & CHEM CORP