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Semi-synthetic cutting fluid using Type II hydrogenated base oil

A hydrogenated base oil and semi-synthetic technology, applied in the base material, petroleum industry, lubricating composition, etc., can solve the problems of difficult-to-stabilize products, deep refining degree, high aniline point, etc., and achieve easy control of finished product quality, use The effect of small loss and stable raw material

Active Publication Date: 2019-04-30
上海森帝润滑技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The base oil used in traditional semi-synthetic cutting fluids is a type of paraffinic base oil or naphthenic base oil. Naphthyl base oil is easy to emulsify and easy to blend, but its resources are scarce, expensive, and sources are limited; With the continuous upgrading of major refineries and the wide application of deep hydrogenation process, the supply of Class I base oil is gradually decreasing
Therefore, it is one of the choices to use the second-class base oil as the base oil of the semi-synthetic cutting fluid. However, the second-class base oil is difficult to be emulsified and blended into a stable product due to its deep refining degree and high aniline point.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0078] A semi-synthetic cutting fluid using a Class II hydrogenated base oil, consisting of the following components by weight percentage:

[0079] 30% base oil,

[0080] 6.5% polar modifier,

[0081] 10% emulsifier,

[0082] 15% pH buffer,

[0083] 5% rust inhibitor,

[0084] 5% coupling agent,

[0085] 3% bactericide,

[0086] 0.5% fungicide,

[0087] 25% deionized water.

Embodiment 2

[0089] A semi-synthetic cutting fluid using a Class II hydrogenated base oil, consisting of the following components by weight percentage:

[0090] 35% base oil,

[0091] 15% polar modifier,

[0092] 11.7% emulsifier,

[0093] 5.5% pH buffer,

[0094] 2.5% rust inhibitor,

[0095] 2.5% coupling agent,

[0096] 2.5% bactericide,

[0097] 0.3% fungicide,

[0098] 25% deionized water.

Embodiment 3

[0100] A semi-synthetic cutting fluid using a Class II hydrogenated base oil, consisting of the following components by weight percentage:

[0101] 40% base oil,

[0102] 5% polar modifier,

[0103] 19.9% ​​emulsifier,

[0104] 5% pH buffer,

[0105] 2% rust inhibitor,

[0106] 1% coupling agent,

[0107] 2% bactericide,

[0108] 0.1% fungicide,

[0109] 25% deionized water.

[0110] In each of the above-mentioned embodiments:

[0111] The base oil is the second type hydrogenated base oil 150N;

[0112] The polar modifier is selected from one or more of synthetic esters, alkylnaphthalene, and oil-soluble polyethers;

[0113] The emulsifier is selected from one or more of isomeric tridecyl alcohol polyoxyethylene ether, alcohol ether carboxylic acid, tall oil, isostearic acid, PIBSA, and self-emulsifying ester;

[0114] The pH buffering agent is selected from one or both of monoisopropanolamine and triisopropanolamine;

[0115] The antirust agent is a compound of bor...

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Abstract

The invention discloses a semisynthetic cutting fluid adopting type-II two types of hydrogenated base oil. The semisynthetic cutting fluid is prepared from, by weight, 30%-40% of base oil, 5%-15% of polarity modifier, 10%-20% of emulsifier, 5%-15% of pH buffering agent, 2%-5% of rust inhibitor, 1%-5% of coupling agent, 2%-3% of bactericide, 0.1%-0.5% of fungicide and 25% of deionized water. The semisynthetic cutting fluid adopts the type-II hydrogenated base oil and is excellent in biological stability and low in usage loss.

Description

technical field [0001] The present invention relates to semi-synthetic cutting fluids using Class II hydrogenated base oils. Background technique [0002] Cutting fluid is an indispensable cooling and lubricating auxiliary medium in metal processing, which can effectively improve processing efficiency and precision and prolong tool life. Semi-synthetic cutting fluid has both the lubricating performance of emulsion and the long-life characteristics of full synthesis, and has been widely used in most working conditions. The base oil used in traditional semi-synthetic cutting fluids is a type of paraffinic base oil or naphthenic base oil. Naphthyl base oil is easy to emulsify and easy to blend, but its resources are scarce, expensive, and sources are limited; With the continuous upgrading of major refineries and the wide application of deep hydrogenation process, the supply of Class I base oil is gradually decreasing. Therefore, the use of Group II base oil as the base oil of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M173/00C10M101/02C10N40/22C10N30/06
CPCC10M101/02C10M173/00C10N2030/06C10N2040/22
Inventor 石杰张世伟
Owner 上海森帝润滑技术有限公司
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