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Soluble oil containing overbased sulfonate additives

一种可溶性、高碱性的技术，应用在添加剂、石油工业、润滑组合物等方向

Inactive Publication Date: 2009-09-09
CHEMTURA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although these prior art compositions have been quite satisfactory in many cases, there is still a need for oil-soluble concentrates capable of forming stable emulsions, especially for use as cutting oils in machining

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0056] Example 2 demonstrates the effect of adding a soluble oil package and neutralized tall oil (3% in the package) to an overbased calcium sulfonate to form an emulsion. The tall oil was used to stabilize the overbased calcium sulfonate and prevent calcium carbonate precipitation and reduce the amount of calcium carbonate adhering to the centrifuge tube.

Embodiment 3

[0057] Example 3 demonstrates the effect of adding a soluble oil package and neutralized tall oil (5% in the package) to an overbased calcium sulfonate to form an emulsion. The tall oil was used to stabilize the overbased calcium sulfonate and prevent calcium carbonate precipitation and reduce the amount of calcium carbonate adhering to the centrifuge tube.

[0058] Comparative Example 1 and Examples 4-15, shown in Tables 6A and 6B respectively, demonstrate the effective combination of tall oil, overbased sulfonate, particle size and free alkalinity to produce stable emulsions, where in one specific implementation A combination of amorphous overbased calcium sulfonate having a particle size of 10-30 nm and low free alkalinity with 12-15% of neutralized tall oil in a soluble oil packaging stock is preferred. The volume % of sediment that precipitated after 1-4 weeks is reported in Tables 6A and 6B.

[0059] Table 6A

Example

Comparative example 1

Example 4

...

Embodiment 4

[0060] Example 4 demonstrates the effect of adding 50-100 nm particle size crystalline high free alkalinity overbased calcium sulfonate to a soluble oil packaging stock containing 12% neutralized tall oil to produce a stable emulsion with low sedimentation.

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Abstract

The present invention relates to a soluble oil composition capable of forming stable emulsions exhibiting superior performance and possessing excellent utility as cutting oil for machines. The composition comprises an overbased alkaline earth metal sulfonate possessing anti-wear properties.

Description

technical field [0001] This invention relates to soluble oils and more particularly to soluble oils containing overbased sulfonates having antiwear properties, which soluble oils are capable of forming extremely stable emulsions with water. Background technique [0002] Environmental concerns in Europe, Canada and the United States regarding the use of fewer hazardous materials in industrial oils have made it unnecessary to find replacements for chlorinated paraffins (CPs). Cutting fluids containing chlorine-based extreme pressure agents have been blamed for the corrosion and damage of incinerators caused by environmental pollution and chlorine gas emissions, as well as the generation of dioxins during waste incineration. [0003] In general, chlorine-based extreme pressure agents have been used in metalworking processes such as cutting and grinding due to their superior ability to improve cutting performance and lower cost. [0004] Furthermore, chlorinated paraffins, a cl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M163/00C10M173/00C10N10/02C10N10/04C10N30/06C10N40/22
CPCC10M2207/18C10M2215/28C10M2215/042C10N2260/08C10N2230/24C10M2203/1065C10M2207/126C10M2203/102C10M2207/2825C10N2230/52C10M2207/20C10M2207/301C10M2209/1033C10M2211/063C10M2229/025C10M2207/283C10N2210/02C10M2207/02C10N2240/401C10M2207/022C10N2210/01C10M2207/26C10M2207/0203C10M2207/401C10M163/00C10N2230/06C10M2211/0206C10M2207/325C10M2205/0285C10M2219/046C10M2223/0405C10M173/00C10M2219/022C10N2030/24C10N2030/52C10N2010/02C10N2030/06C10N2010/04C10N2040/22C10N2060/08C10M169/04C10N2030/10C10N2030/12
Inventor I·里夫M·T·科斯特洛
Owner CHEMTURA CORP
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