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Preparation method for cleaning agent high in defoaming speed

A cleaning agent and fast technology, applied in the field of cleaning, can solve the problems of shortened cleaning agent life, lower cleaning efficiency, and easy residue, etc., and achieve the effect of overcoming the long induction period, increasing the reaction rate, and improving the conversion rate

Active Publication Date: 2019-03-22
WUHAN SPACEFLIGHT SCI & TECH PETROCHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, water-based metal cleaning agents are prone to foaming and residues. In severe cases, the foam overflows and takes away a large amount of surfactant, which shortens the life of the cleaning agent, and the foam will reduce the cleaning efficiency.

Method used

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  • Preparation method for cleaning agent high in defoaming speed
  • Preparation method for cleaning agent high in defoaming speed

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The present invention provides a kind of preparation method of the fast cleaning agent of defoaming speed, comprises the following steps:

[0029] The formula of the cleaning agent is: 0.8%-2.0% of anhydrous sodium metasilicate, 2%-4% of rust inhibitor, 2%-5% of carboxylic acid amine, 0.5%-1.0% of methyl benzotriazole, DissolvineH-403%-5%, Jimmy's quaternary ammonium salt C120228114%-6%, antifoam agent 2-5%, polyether modified silicone type defoamer 5%-8%, water balance;

[0030] Wherein the preparation method of polyether modified silicone type defoamer is:

[0031] S1: Preparation of hydrogen-containing silicone oil: use 0.15g solid superacid to catalyze 10kg of hexamethyldisiloxane, 6kg of octamethylcyclotetrasiloxane, and 8kg of tetramethylcyclotetrasiloxane, and heat in a water bath for 35 ℃, reacted for 6 hours, and filtered to obtain hydrogen-containing silicone oil;

[0032] S2: Put 10 μg of platinum catalyst, 100 μg of polyethylene glycol 300, 20 g of butyl a...

Embodiment 2

[0036] The present invention provides a kind of preparation method of the fast cleaning agent of defoaming speed, comprises the following steps:

[0037] The formula of the cleaning agent is: 0.8%-2.0% of anhydrous sodium metasilicate, 2%-4% of rust inhibitor, 2%-5% of carboxylic acid amine, 0.5%-1.0% of methyl benzotriazole, DissolvineH-403%-5%, Jimmy's quaternary ammonium salt C120228114%-6%, antifoam agent 2-5%, polyether modified silicone type defoamer 5%-8%, water balance;

[0038] Wherein the preparation method of polyether modified silicone type defoamer is:

[0039] S1: Preparation of hydrogen-containing silicone oil: use 0.2g solid superacid to catalyze 10kg of hexamethyldisiloxane, 6kg of octamethylcyclotetrasiloxane, and 8kg of tetramethylcyclotetrasiloxane, and heat in a water bath for 35 ℃, reacted for 6 hours, and filtered to obtain hydrogen-containing silicone oil;

[0040] S2: Put 20 μg of platinum catalyst, 150 μg of polyethylene glycol 300, 35 g of butyl ac...

Embodiment 3

[0044] The present invention provides a kind of preparation method of the fast cleaning agent of defoaming speed, comprises the following steps:

[0045] The formula of the cleaning agent is: 0.8%-2.0% of anhydrous sodium metasilicate, 2%-4% of rust inhibitor, 2%-5% of carboxylic acid amine, 0.5%-1.0% of methyl benzotriazole, DissolvineH-403%-5%, Jimmy's quaternary ammonium salt C120228114%-6%, antifoam agent 2-5%, polyether modified silicone type defoamer 5%-8%, water balance;

[0046] Wherein the preparation method of polyether modified silicone type defoamer is:

[0047] S1: Preparation of hydrogen-containing silicone oil: use 0.25g solid superacid to catalyze 10kg of hexamethyldisiloxane, 6kg of octamethylcyclotetrasiloxane, and 8kg of tetramethylcyclotetrasiloxane, and heat in a water bath for 35 ℃, reacted for 6 hours, and filtered to obtain hydrogen-containing silicone oil;

[0048] S2: Put 30 μg of platinum catalyst, 200 μg of polyethylene glycol 300, 50 g of butyl a...

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Abstract

The invention provides a preparation method for a cleaning agent high in defoaming speed. According to the formula of the cleaning agent, the cleaning agent comprises 0.8-2.0% of anhydrous sodium metasilicate, 2-4% of an antirust agent, 2-5% of amine carboxylate, 0.5-1.0% of methylbenzotriazole, 3-5% of DissolvineH-40, 4-6% of Gemini quaternary ammonium salt C12022811, 2-5% of a foam inhibitor, 5-8% of a polyether modified organosilicone defoaming agent and the balance water, wherein a preparation method of the polyether modified organosilicone defoaming agent comprises the steps that hydrogencontaining silicone oil is prepared; mixed liquid A is prepared; synthetic reaction is conducted; and viscous solid B, that is the polyether modified organosilicone defoaming agent, is obtained. According to the preparation method, the cleaning agent is low in foam height and good in cleaning effect.

Description

technical field [0001] The invention relates to the technical field of cleaning, in particular to a preparation method of a cleaning agent with fast defoaming speed. Background technique [0002] After the metal workpiece is processed, the surface will carry dirt, such as various cutting fluids, guide rail oil, etc. If it is not cleaned, it will not only affect the smooth progress of the processing process, but also cause and accelerate the corrosion of the metal surface, affecting the processing quality and use of the product life. In addition, before finishing such as electroplating, phosphating (silanization), glaze coating, spray painting, etc., as well as in the repair and maintenance of mechanical equipment, the cleaning process is inseparable. The choice of cleaning process and the quality of the cleaning effect not only involve major issues such as safety, energy and environmental protection, but also directly affect the performance and quality of the product. There...

Claims

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Application Information

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IPC IPC(8): C23G1/00C08G77/46C08G77/12C08G77/08
CPCC08G77/08C08G77/12C08G77/46C23G1/00
Inventor 倪维力沈东晓彭钰珩袁婷婷喻翔李松
Owner WUHAN SPACEFLIGHT SCI & TECH PETROCHEM CO LTD
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