Composite calcium naphthenate-based lubricating grease and preparation method thereof

A calcium naphthenate-based, calcium naphthenate technology, applied in the field of lubricating grease, can solve the problems of high base value calcium sulfonate, high price, not being rapidly promoted, complicated preparation process, etc., and achieve low cost and excellent corrosion resistance Good performance and salt spray resistance, simple preparation process
CN104293449AActive Publication Date: 2015-01-21CHINA PETROLEUM & CHEM CORP +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA PETROLEUM & CHEM CORP
Publication Date
2015-01-21

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Abstract

The invention discloses composite calcium naphthenate-based lubricating grease which is characterized by including following components, on the basis of the weight of the lubricating grease, 20-70 wt% of non-Newtonian calcium naphthenate, 1-10 wt% of a calcium salt of a higher fatty acid and 25-70 wt% of a basic oil. An infrared spectrogram of the non-Newtonian calcium naphthenate has a characteristic absorption peak of aragonite-type calcium carbonate. The invention also discloses a preparation method of the composite calcium naphthenate-based lubricating grease and the composite calcium naphthenate-based lubricating grease prepared through the same. The composite calcium naphthenate-based lubricating grease has excellent anti-corrosion property and anti-salt fog property, and has performances comprising a high-temperature-resistant performance, a water-resistant performance, an adhesive performance, a colloid stability and the like, which are better than those of composite calcium sulfonate-based lubricating grease. The composite calcium naphthenate-based lubricating grease has a longer lubricating service life. The preparation method is simple, environmental-protective, low in cost and stable in product quality.
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Description

technical field

[0001] The invention relates to lubricating grease, in particular to a compound calcium naphthenate-based lubricating grease and a preparation method thereof. Background technique

[0002] High base value calcium naphthenate has good cleaning and dispersibility, good acid neutralization ability and excellent diffusivity. It can be used as a detergent for lubricating oil and widely used as an additive for internal combustion engine lubricating oil. Its technical development is mainly It is to make it highly alkaline, that is, to disperse calcium carbonate into diluent oil with surface active calcium cyclic acid to form a colloidal dispersion system. Calcium naphthenate with high base value is mostly an acidic component extracted from distillate oil obtained from crude oil distillation. After being combined with Ca(OH) 2 Reaction, carbonation and other high alkalinization technology, the relevant patents related to the preparation are CN1465560 and so on. [...

Claims

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