Nano-silicon anticorrosive agent for preparing metal working fluid and preparation method of nano-silicon anticorrosive agent

A metalworking fluid and anti-corrosion agent technology, applied in the direction of additives, petroleum industry, lubricating composition, etc., can solve the problems that silicon conformal coatings cannot be stabilized and precipitated, and metalworking fluids cannot be applied, so as to achieve no production hazard and no production Pollution, the effect of simple process

Pending Publication Date: 2021-07-13
SHENZHEN FRANCOOL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although silicon conformal coatings have been applied in the field of metal surface protection, since the main component of the metalworking fluid system is water, which is in a solution state and is in a flowing state during use, silicon conformal coatings cannot be kept stable in it without precipitation, resulting in the current Silicone conformal coatings on the market cannot yet be used in metalworking fluids

Method used

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  • Nano-silicon anticorrosive agent for preparing metal working fluid and preparation method of nano-silicon anticorrosive agent
  • Nano-silicon anticorrosive agent for preparing metal working fluid and preparation method of nano-silicon anticorrosive agent
  • Nano-silicon anticorrosive agent for preparing metal working fluid and preparation method of nano-silicon anticorrosive agent

Examples

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Effect test

preparation example Construction

[0015] A kind of preparation method of the nano-silicon anticorrosion agent that is used to prepare metalworking fluid of the present invention, comprises the following steps:

[0016] Step 1, mixing the organic amine compound with water, set aside;

[0017] Step 2. Add the silane coupling agent dropwise to the system obtained in step 1 under the protection of inert gas and stirring;

[0018] Step 3. After the dropwise addition, warm up to the first temperature, and stir under the protection of inert gas, then heat up to the second temperature, and stir under the protection of inert gas. After the stirring, cool down to obtain clear and transparent nano-silicon corrosive;

[0019] Wherein, the second temperature is higher than the first temperature.

[0020] It can be seen from the above description that the beneficial effect of the present invention is that the nano-silicon antirust agents sold in the metalworking fluid market at this stage are not suitable for adding to th...

Embodiment 1

[0034] A preparation method for preparing a nano-silicon anticorrosion agent for metalworking fluid, specifically comprising the following steps:

[0035] Step 1. Mix 17.9g of aminopropyltrimethoxysilane with 41g of water, and place it in a 250mL double-necked reaction flask with a built-in magnetic stirrer;

[0036] Step 2. Put 31.2g of tetraethoxysilane in a 50mL dropping funnel, then assemble the dropping funnel on the double-mouth reaction flask, and connect the nitrogen protection system to the double-mouth reaction flask;

[0037] Step 3. Slowly add tetraethoxysilane dropwise to the mixture of aminopropyltrimethoxysilane and water under vigorous stirring (constant speed) under the condition of nitrogen gas protection at room temperature, and the dropping time is 60 minutes;

[0038] Step 4. After the dropwise addition, raise the temperature to 60°C and keep it warm, and stir for 120min under the protection of nitrogen, then raise the temperature to 90°C and keep it warm,...

Embodiment 2

[0040] A preparation method for preparing a nano-silicon anticorrosion agent for metalworking fluid, specifically comprising the following steps:

[0041] Step 1, mix 14.6g of triethylenetetramine with 50g of water, and place in a 250mL double-necked reaction flask with a built-in magnetic stirrer;

[0042] Step 2. Put 27g of tetraethoxysilane in a 50mL dropping funnel, then assemble the dropping funnel on the double-mouth reaction flask, and connect the nitrogen protection system to the double-mouth reaction flask;

[0043] Step 3. Slowly add tetraethoxysilane dropwise to the mixture of triethylenetetramine and water under vigorous stirring (constant speed) under the condition of nitrogen gas protection at room temperature, and the dropping time is 50 minutes;

[0044] Step 4. After the dropwise addition, heat up to 45°C and keep warm, and stir for 130min under nitrogen protection, then heat up to 80°C and keep warm, and stir for 130min under nitrogen protection, and cool to ro...

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Abstract

The invention discloses a nano-silicon anticorrosive agent for preparing a metal working fluid and a preparation method of the nano-silicon anticorrosive agent, and belongs to the technical field of metal working compositions. The preparation method comprises the steps that an organic amine compound and water are mixed, and a silane coupling agent is dropwise added under the inert gas protection and stirring conditions; and the mixture is heated to a first temperature after dropwise adding is completed, stirred under the inert gas protection condition, then heated to a second temperature, stirring under the inert gas protection condition, and cooled after stirring is completed to obtain the clear and transparent nano-silicon anticorrosive agent, wherein the second temperature is higher than the first temperature. The preparation method is simple in process, easy to operate, short in processing time, almost free of production danger and production pollution in the preparation process and suitable for industrial application and popularization, the obtained nano-silicon anticorrosive agent can stably exist in the metal working fluid after being used for preparing the metal working fluid, the problems of sedimentation, aggregation or precipitation and the like are avoided, and the prepared metal working fluid has good stability and integrity.

Description

technical field [0001] The invention belongs to the technical field of metal processing compositions, and in particular relates to a nano-silicon corrosion inhibitor used for preparing metal processing fluids and a preparation method thereof. Background technique [0002] Metalworking fluid is a composite system containing multiple components, which plays an important role in workpiece processing. The main functions of metalworking fluid include cooling, lubrication, cleaning and rust prevention. As a composite system, in addition to the above-mentioned main performance indicators, the stability of the product is also very important. The main performance is that the metalworking fluid must maintain overall uniformity, no aggregation, and no precipitation during long-term storage. [0003] Silicon conformal coatings have important applications in the protection of metal devices, and their performance characteristics include short curing cycle, simple application method, high ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23F11/08C10M125/26C10N30/12
CPCC23F11/08C10M125/26C10M2201/105
Inventor 赵超赵阳范文智范成力
Owner SHENZHEN FRANCOOL TECH
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