CN106637251B - A kind of low foaming surfactant - Google Patents

A kind of low foaming surfactant Download PDF

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CN106637251B
CN106637251B CN201611179902.1A CN201611179902A CN106637251B CN 106637251 B CN106637251 B CN 106637251B CN 201611179902 A CN201611179902 A CN 201611179902A CN 106637251 B CN106637251 B CN 106637251B
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low foaming
foaming surfactant
reactive tank
weight
solution
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CN106637251A (en
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粟飞
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Dongguan Jingcheng Environmental Protection Technology Co., Ltd
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Dongguan Jingcheng Rubber Titanium Meter Adjustment Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
    • C23G1/19—Iron or steel
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/24—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions

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  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
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Abstract

The present invention relates to a kind of low foaming surfactants, are made of following weight ratio example composition: Tao Shi Dowfax 20A612:8-10%, polyethers NPE-105:12-15%, fatty acid methyl ester ethoxylate sodium sulfonate FMES:10-12%, dehydrated alcohol: 8-10% and deionized water: 18-32% in polyethers L64:30-35%, low foaming surfactant.Permeability of the present invention is good, with stronger emulsifying effectiveness, its foam height is maintained between 1cm-2cm, and it the phenomenon that foam substantially increases will not occur in 6 hours in lasting cleaning, cleaning effect is excellent, time needed for it cleans an ironware is less than or equal to 1min, cleaning efficiency is high, without noxious material and irritation volatile matter, it is during use, it will not be reacted with metalwork and generate noxious material, substantially improve the working environment of operator, meet various normal, medium temperature sprays the technique requirement of the still or low bubble industrial detergent of oil removing cleaning by degreasing production line, environment-protecting and non-poisonous evil, and it can be used in compounding with alkaline cleaning additive, compounding effect is good, production cost is low.

Description

A kind of low foaming surfactant
Technical field
The present invention relates to the spray of metalwork cleaning field more particularly to a kind of low foaming surfactants.
Background technique
Metal is in cleaning, since there are some using the putty, the hard oil that impregnate, ultrasonic wave all not can be removed for metal surface The dirts such as block can only be removed by the method for external force (manual wipping and spray impact).The method of manual wipping expends Human and material resources, large labor intensity, production efficiency is low, high production cost.For traditional spray cleaning, the energy of oil removing Power is often closely bound up with the height of foam.When oil removing ability is excellent, foam height is often not satisfactory, and workpiece is caused to float Not phenomena such as not washing clean；When again by foam height control, in desirable level, oil removing ability can weaken significantly, often remove Phenomena such as oil is not thorough.
In addition, existing universal low foaming surfactant on the market, generally all contains the substance toxic to human body, such as: having Machine silicon, defoaming agent etc., and its foam height are up to 5cm, and the oil removing time of one workpiece of cleaning is up to 3min or more, cleaning effect Rate, oil removal efficiency are low, and effect is poor, be not able to satisfy various room temperature, medium temperature spray oil removing cleaning by degreasing production line requirement it is still or Low foaming industrial washing technological standards.
Therefore, for current metal in cleaning there are the deficiency of the above problem, applicant researches and develops and a kind of can avoid The repugnance of the low bubble activating agent of tradition, uses low bubble emulsifier fatty acid methyl ester ethoxylate sodium sulfonate FMES to increase Penetration when it is cleaned, and with surfactant polyethers L64 compatibility, form that permeability is good, has both stronger emulsification simultaneously imitates The activating agent of fruit, and in order to reduce the foam height generated when activating agent work, it joined the Tao Shi with foam-inhibiting effect Dowfax 20A612, is maintained at foam height between 1cm-2cm, and its in lasting cleaning foam will not occur within 6 hours big The phenomenon that width increases, cleaning effect is excellent, and the time needed for cleaning an ironware is less than or equal to 1min, cleaning efficiency Height is free of noxious material and irritation volatile matter, during use, will not react with metalwork and generate Toxic Matter substantially improves the working environment of operator, meets various normal, medium temperature spray oil removing cleaning by degreasing production line still or low The technique requirement of industrial detergent is steeped, environment-protecting and non-poisonous evil is easy to use, quick, substantially reduces labor intensity and production cost Low foaming surfactant really belongs to necessary.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of repugnances that can avoid the low bubble activating agent of tradition, adopt Increase penetration when it is cleaned, and and surface-active with low bubble emulsifier fatty acid methyl ester ethoxylate sodium sulfonate FMES Agent polyethers L64 compatibility forms the activating agent that permeability has both stronger emulsifying effectiveness well, simultaneously, and in order to reduce activating agent work As when the foam height that generates, joined the Tao Shi Dowfax 20A612 with foam-inhibiting effect, be maintained at foam height Between 1cm-2cm, and it the phenomenon that foam substantially increases will not occur in 6 hours in lasting cleaning, and cleaning effect is excellent, clear Time needed for washing an ironware is less than or equal to 1min, and cleaning efficiency is high, is free of noxious material and irritation volatile matter, It will not react with metalwork during use and generate noxious material, substantially improve the working environment of operator, meet The technique requirement of various normal, medium temperature spray oil removing cleaning by degreasing production line still or low bubble industrial detergents, environment-protecting and non-poisonous evil, It is easy to use, quick, substantially reduce the low foaming surfactant of labor intensity and production cost.The present invention is by following technology Scheme is realized:
A kind of low foaming surfactant is made of following weight ratio example composition: polyethers L64:30%-35%, low bubble surface are living Tao Shi Dowfax 20A612:8%-10%, polyethers NPE-105:12%-15%, fatty acid methyl ester ethoxylate sulfonic acid in property agent Sodium: 10%-12%, dehydrated alcohol: 8%-10% and deionized water: 18%-32%.
Further, the production method of the low foaming surfactant are as follows: step 1: first by Tao Shi Dowfax 20A612, poly- Ether NEP-105 and polyethers L64 are put into reaction kettle, are stirred under normal temperature condition to the mixture in reaction kettle, stirring speed Degree control are as follows: 100 turns/min, mixing time are as follows: 15-20 minutes.
Further, dehydrated alcohol, mixing speed control step 2: are added into reaction kettle are as follows: 100 turns/min, stirring 10 minutes.
Further, fatty acid methyl ester ethoxylate sodium sulfonate FMES, mixing speed step 3: are added in reaction kettle Control are as follows: 100 turns/min, after stirring is completely dissolved to fatty acid methyl ester ethoxylate sodium sulfonate FMES, continue 30 points of stirring Clock.
Further, step 4: being slowly added to deionized water in reaction kettle, and mixing speed control is 60 turns/min, is stirred Low foaming surfactant is made after mixing 2 hours.
Further, the application method of the low foaming surfactant are as follows: step A, firstly, taking low bubble table made from step 4 Face activating agent is put into the first reactive tank, water is then added in the first reactive tank, low bubble surface-active is made after mixing evenly Release solution in agent Xi；The weight for the low foaming surfactant being put into the first reactive tank accounts for low foaming surfactant Xi and releases solution The weight of 10%-20%, the water being added in the first reactive tank account for the 80%-90% that solution is released in low foaming surfactant Xi.
Further, step B, water and alkaline cleaning additive are put into the second reactive tank to stir evenly and alkalinity cleaning is made Release solution in auxiliary agent Xi；The weight for the alkaline cleaning additive being put into the second reactive tank accounts for alkaline cleaning additive Xi and releases solution weight 5%-10%, the weight for the water being put into the second reactive tank account for the 90%-95% that solution weight is released in alkaline cleaning additive Xi.
Further, step C, in use, low foaming surfactant Xi made from step A is released made from solution, step B Solution is released in alkaline cleaning additive Xi and water is put into third reactive tank and low foaming surfactant work is made after mixing evenly Liquid will finally clean in the low foaming surfactant working solution needed in the ironware cleaned investment third reactive tank, when workpiece is clear It is taken out out of third reactive tank after washing；It is put into low foaming surfactant Xi made from the step A in third reactive tank The weight for releasing solution accounts for the 5%-10% of manufactured low foaming surfactant working solution weight in third reactive tank, is put into third reaction The weight that solution is released in alkalinity cleaning additive Xi made from step B in slot accounts for manufactured low foaming surfactant in third reactive tank The 5%-10% of working solution weight, the weight for the water being put into third reactive tank account for manufactured low bubble surface-active in third reactive tank The 80%-90% of agent working solution weight.
Further, when the low foaming surfactant normal use, foam height is maintained at greater than 1cm, is less than 2cm.
Further, the time needed for which cleans an ironware are as follows: be less than or equal to 1 min.
Further, the alkaline cleaning additive includes sodium hydroxide, potassium hydroxide, metasilicate and phosphate etc..
A kind of low foaming surfactant of the invention is made of following weight ratio example composition: polyethers L64:30%-35%, low Tao Shi Dowfax 20A612:8%-10%, polyethers NPE-105:12%-15%, fatty acid methyl ester ethyoxyl in foam surfactants Compound sodium sulfonate FMES:10%-12%, dehydrated alcohol: 8%-10% and deionized water: 18%-32%.It is low that the present invention can avoid tradition The repugnance for steeping activating agent, uses low bubble emulsifier fatty acid methyl ester ethoxylate sodium sulfonate FMES to increase its cleaning When penetration, and with surfactant polyethers L64 compatibility, form that permeability is good, has both the work of stronger emulsifying effectiveness simultaneously Property agent, and the foam height that generates when in order to reduce activating agent work joined the Tao Shi Dowfax with foam-inhibiting effect 20A612 is maintained at foam height between 1cm-2cm, and it foam will not occurs in 6 hours in lasting cleaning and substantially increase The phenomenon that, cleaning effect is excellent, and the time needed for cleaning an ironware is less than or equal to 1min, and cleaning efficiency is high, is free of Noxious material and irritation volatile matter will not react with metalwork during use and generate noxious material, change significantly It has been apt to the working environment of operator, has met various normal, medium temperature spray oil removing cleaning by degreasing production line still or low bubble industry and wash The technique requirement of agent is washed, environment-protecting and non-poisonous evil is easy to use, quick, substantially reduces labor intensity and production cost.
Specific embodiment
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
A kind of low foaming surfactant is made of following weight ratio example composition: polyethers L64:30%-35%, low bubble surface are living Tao Shi Dowfax 20A612:8%-10%, polyethers NPE-105:12%-15%, fatty acid methyl ester ethoxylate sulfonic acid in property agent Sodium FMES:10%-12%, dehydrated alcohol: 8%-10% and deionized water: 18%-32%.
The production method of the low foaming surfactant are as follows: step 1: first by Tao Shi Dowfax 20A612, polyethers NEP-105 It is put into reaction kettle with polyethers L64, the mixture in reaction kettle is stirred under normal temperature condition, mixing speed control are as follows: 100 turns/min, mixing time are as follows: 15-20 minutes.
Step 2: dehydrated alcohol, mixing speed control are added into reaction kettle are as follows: 100 turns/min, stir 10 minutes.
Step 3: fatty acid methyl ester ethoxylate sodium sulfonate FMES, mixing speed control are added in reaction kettle are as follows: 100 turns/min, after stirring is completely dissolved to fatty acid methyl ester ethoxylate sodium sulfonate FMES, continue stirring 30 minutes.
Step 4: deionized water is slowly added in reaction kettle, mixing speed control is 60 turns/min, after stirring 2 hours Low foaming surfactant is made.
In one embodiment, the application method of the low foaming surfactant are as follows: step A, firstly, step 4 is taken to be made Low foaming surfactant be put into the first reactive tank, then in the first reactive tank be added water low bubble is made after mixing evenly Release solution in surfactant Xi；The weight for the low foaming surfactant being put into the first reactive tank accounts for low foaming surfactant Xi and releases The weight of the 10%-20% of solution, the water being added in the first reactive tank account for the 80%-90% that solution is released in low foaming surfactant Xi.
In one embodiment, step B, water and alkaline cleaning additive is put into the second reactive tank stir evenly it is obtained Release solution in alkaline cleaning additive Xi；The weight for the alkaline cleaning additive being put into the second reactive tank account for alkaline cleaning additive Xi release it is molten The 5%-10% of liquid weight, the weight for the water being put into the second reactive tank account for the 90%-95% that solution weight is released in alkaline cleaning additive Xi.
In one embodiment, step C, in use, solution, step are released in low foaming surfactant Xi made from step A Solution is released in alkalinity cleaning additive Xi made from rapid B and water is put into third reactive tank and low bubble surface work is made after mixing evenly Property agent working solution, finally will need clean ironware investment third reactive tank in low foaming surfactant working solution in clean, It is taken out out of third reactive tank after workpiece cleaning；It is put into low bubble surface made from the step A in third reactive tank The weight that solution is released in activating agent Xi accounts for the 5%-10% of manufactured low foaming surfactant working solution weight in third reactive tank, is put into The weight that solution is released in alkalinity cleaning additive Xi made from step B in third reactive tank accounts for manufactured low bubble table in third reactive tank The 5%-10% of face activating agent working solution weight, the weight for the water being put into third reactive tank account for manufactured low bubble in third reactive tank The 80%-90% of surfactant working solution weight.
In one embodiment, when the low foaming surfactant normal use, foam height is maintained at greater than 1cm, small In 2cm.
In one embodiment, the time needed for which cleans an ironware are as follows: be less than or equal to 1 Min, cleaning efficiency, removal efficiency are high.
In one embodiment, the alkaline cleaning additive includes sodium hydroxide, potassium hydroxide, metasilicate and phosphoric acid Salt etc..
Embodiment 1:
A kind of low foaming surfactant is made of: polyethers L64:31%, low foaming surfactant following weight ratio example composition In Tao Shi Dowfax 20A612:9%, polyethers NPE-105:13%, fatty acid methyl ester ethoxylate sodium sulfonate FMES:11%, Dehydrated alcohol: 9% and deionized water: 27%.
The production method of the low foaming surfactant are as follows: step 1: first by Tao Shi Dowfax 20A612, polyethers NEP-105 It is put into reaction kettle with polyethers L64, the mixture in reaction kettle is stirred under normal temperature condition, mixing speed control are as follows: 100 turns/min, mixing time are as follows: 16 minutes.
Step 2: dehydrated alcohol, mixing speed control are added into reaction kettle are as follows: 100 turns/min, stir 10 minutes.
Step 3: fatty acid methyl ester ethoxylate sodium sulfonate FMES, mixing speed control are added in reaction kettle are as follows: 100 turns/min, after stirring is completely dissolved to fatty acid methyl ester ethoxylate sodium sulfonate FMES, continue stirring 30 minutes.
Step 4: deionized water is slowly added in reaction kettle, mixing speed control is 60 turns/min, after stirring 2 hours Low foaming surfactant is made.
The application method of the low foaming surfactant are as follows: firstly, step A, firstly, taking low bubble surface made from step 4 living Property agent be put into the first reactive tank, then in the first reactive tank be added water after mixing evenly be made low foaming surfactant Xi Release solution；The weight for the low foaming surfactant being put into the first reactive tank accounts for 12% that solution is released in low foaming surfactant Xi, adds The weight for entering the water in the first reactive tank accounts for solution is released in low foaming surfactant Xi 88%.
Step B, water and alkaline cleaning additive are put into the second reactive tank to stir evenly and alkaline cleaning additive Xi is made releases Solution；The weight for the alkaline cleaning additive being put into the second reactive tank accounts for alkaline cleaning additive Xi and releases the 6% of solution weight, is put into The weight of water in second reactive tank accounts for alkaline cleaning additive Xi and releases the 94% of solution weight.
Step C, in use, the cleaning of alkalinity made from solution, step B is released in low foaming surfactant Xi made from step A Solution is released in auxiliary agent Xi and water is put into third reactive tank and low foaming surfactant working solution is made after mixing evenly, finally will Need to clean ironware investment third reactive tank in low foaming surfactant working solution in clean, when workpiece cleaning after from It is taken out in third reactive tank；Release the weight of solution in low foaming surfactant Xi made from the step A being put into third reactive tank Amount accounts for 6% of manufactured low foaming surfactant working solution weight in third reactive tank, the step B system being put into third reactive tank The weight that solution is released in the alkaline cleaning additive Xi obtained accounts for manufactured low foaming surfactant working solution weight in third reactive tank 7%, the weight for the water being put into third reactive tank accounts for manufactured low foaming surfactant working solution weight in third reactive tank 87%。
Embodiment 2:
A kind of low foaming surfactant is made of: polyethers L64:33%, low foaming surfactant following weight ratio example composition In Tao Shi Dowfax 20A612:8.5%, polyethers NPE-105:14%, fatty acid methyl ester ethoxylate sodium sulfonate FMES: 11%, dehydrated alcohol: 8.5% and deionized water: 25%.
The production method of the low foaming surfactant are as follows: step 1: first by Tao Shi Dowfax 20A612, polyethers NEP-105 It is put into reaction kettle with polyethers L64, the mixture in reaction kettle is stirred under normal temperature condition, mixing speed control are as follows: 100 turns/min, mixing time are as follows: 18 minutes.
Step 2: dehydrated alcohol, mixing speed control are added into reaction kettle are as follows: 100 turns/min, stir 10 minutes.
Step 3: fatty acid methyl ester ethoxylate sodium sulfonate FMES, mixing speed control are added in reaction kettle are as follows: 100 turns/min, after stirring is completely dissolved to fatty acid methyl ester ethoxylate sodium sulfonate FMES, continue stirring 30 minutes.
Step 4: deionized water is slowly added in reaction kettle, mixing speed control is 60 turns/min, after stirring 2 hours Low foaming surfactant is made.
The application method of the low foaming surfactant are as follows: firstly, step A, firstly, taking low bubble surface made from step 4 living Property agent be put into the first reactive tank, then in the first reactive tank be added water after mixing evenly be made low foaming surfactant Xi Release solution；The weight for the low foaming surfactant being put into the first reactive tank accounts for 15% that solution is released in low foaming surfactant Xi, adds The weight for entering the water in the first reactive tank accounts for solution is released in low foaming surfactant Xi 85%.
Step B, water and alkaline cleaning additive are put into the second reactive tank to stir evenly and alkaline cleaning additive Xi is made releases Solution；The weight for the alkaline cleaning additive being put into the second reactive tank accounts for alkaline cleaning additive Xi and releases the 7% of solution weight, is put into The weight of water in second reactive tank accounts for alkaline cleaning additive Xi and releases the 93% of solution weight.
Step C, in use, the cleaning of alkalinity made from solution, step B is released in low foaming surfactant Xi made from step A Solution is released in auxiliary agent Xi and water is put into third reactive tank and low foaming surfactant working solution is made after mixing evenly, finally will Need to clean ironware investment third reactive tank in low foaming surfactant working solution in clean, when workpiece cleaning after from It is taken out in third reactive tank；Release the weight of solution in low foaming surfactant Xi made from the step A being put into third reactive tank Amount accounts for 7% of manufactured low foaming surfactant working solution weight in third reactive tank, the step B system being put into third reactive tank The weight that solution is released in the alkaline cleaning additive Xi obtained accounts for manufactured low foaming surfactant working solution weight in third reactive tank 8%, the weight for the water being put into third reactive tank accounts for manufactured low foaming surfactant working solution weight in third reactive tank 85%。
Embodiment 3:
A kind of low foaming surfactant is made of: polyethers L64:34%, low foaming surfactant following weight ratio example composition In Tao Shi Dowfax 20A612:9.5%, polyethers NPE-105:12.5%, fatty acid methyl ester ethoxylate sodium sulfonate FMES: 10.5%, dehydrated alcohol: 9.5% and deionized water: 24%.
The production method of the low foaming surfactant are as follows: step 1: first by Tao Shi Dowfax 20A612, polyethers NEP-105 It is put into reaction kettle with polyethers L64, the mixture in reaction kettle is stirred under normal temperature condition, mixing speed control are as follows: 100 turns/min, mixing time are as follows: 19 minutes.
Step 2: dehydrated alcohol, mixing speed control are added into reaction kettle are as follows: 100 turns/min, stir 10 minutes.
Step 3: fatty acid methyl ester ethoxylate sodium sulfonate FMES, mixing speed control are added in reaction kettle are as follows: 100 turns/min, after stirring is completely dissolved to fatty acid methyl ester ethoxylate sodium sulfonate FMES, continue stirring 30 minutes.
Step 4: deionized water is slowly added in reaction kettle, mixing speed control is 60 turns/min, after stirring 2 hours Low foaming surfactant is made.
The application method of the low foaming surfactant are as follows: firstly, step A, firstly, taking low bubble surface made from step 4 living Property agent be put into the first reactive tank, then in the first reactive tank be added water after mixing evenly be made low foaming surfactant Xi Release solution；The weight for the low foaming surfactant being put into the first reactive tank accounts for 18% that solution is released in low foaming surfactant Xi, adds The weight for entering the water in the first reactive tank accounts for solution is released in low foaming surfactant Xi 82%.
Step B, water and alkaline cleaning additive are put into the second reactive tank to stir evenly and alkaline cleaning additive Xi is made releases Solution；The weight for the alkaline cleaning additive being put into the second reactive tank accounts for alkaline cleaning additive Xi and releases the 8% of solution weight, is put into The weight of water in second reactive tank accounts for alkaline cleaning additive Xi and releases the 92% of solution weight.
Step C, in use, the cleaning of alkalinity made from solution, step B is released in low foaming surfactant Xi made from step A Solution is released in auxiliary agent Xi and water is put into third reactive tank and low foaming surfactant working solution is made after mixing evenly, finally will Need to clean ironware investment third reactive tank in low foaming surfactant working solution in clean, when workpiece cleaning after from It is taken out in third reactive tank；Release the weight of solution in low foaming surfactant Xi made from the step A being put into third reactive tank Amount accounts for 8% of manufactured low foaming surfactant working solution weight in third reactive tank, the step B system being put into third reactive tank The weight that solution is released in the alkaline cleaning additive Xi obtained accounts for manufactured low foaming surfactant working solution weight in third reactive tank 9%, the weight for the water being put into third reactive tank accounts for manufactured low foaming surfactant working solution weight in third reactive tank 83%。
The low foaming surfactant working solution of ironware investment experiment 1, experiment 2 and experiment 3 is tested for the property, is detected Project and testing result are as follows:
Test item one: detect whether it contains poisonous and harmful substances: organosilicon, defoaming agent, experiment 1, experiment 2 and experiment 3 Test result is equal are as follows: is free of.
Test item two: detecting its oil removing time, tests for 1 oil removing time are as follows: 50 seconds, tests for 2 oil removing time are as follows: 45 Second, test for 3 oil removing time are as follows: 38 seconds.
Test item three: detecting its foam height, tests 1 foam height are as follows: 1.3cm tests 2 foam height are as follows: 1.2cm tests 3 foam height are as follows: 1.1cm.
The beneficial effects of the present invention are:
1, low foaming surfactant usage amount of the invention is small, and it is that can reach ideal that accounting, which is 0.375%, in working solution Cleaning effect.
2, when low foaming surfactant normal use of the invention, foam height is maintained between 1-2cm, and it is continuing Cleaning the phenomenon that foam substantially increases will not occur in 6 hours.
3, low foaming surfactant of the invention alkaline assistant can be used to adjust total alkalinity at 25 DEG C -50 DEG C after fluting, Total alkalinity should control less than 22 points (total alkalinity control in the test method less than 22 points are as follows: take 10ml in reactive tank Treatment fluid adds phenolphthalein (PP) indicator 3-5 drop, then the H with 0.1N2SO4Titration, color faded to by pink it is colourless, in 5-10 Second does not fade, as its terminal, reads the H of 0.1N2SO4Consumption be its total alkalinity degree).
4, the longest time needed for cleaning an ironware using low foaming surfactant of the invention is 1min, cleaning effect Fruit is excellent.
5, low foaming surfactant of the invention is nontoxic, is free of noxious material and irritation volatile matter, and make Noxious material is generated with that in the process, will not react with metalwork, substantially improves the working environment of operator.
6, low foaming surfactant of the invention can be used in compounding with alkaline cleaning additive, and oil removing degreasing effect is excellent.
The present invention is not limited to above-mentioned preferred forms, anyone obtain under the inspiration of the present invention other it is any with The identical or similar product of the present invention, is within the scope of the present invention.

Claims (2)

1. the production method and application method of a kind of low foaming surfactant, the low foaming surfactant by following weight ratio example at Part composition: Tao Shi Dowfax 20A612:8%-10%, polyethers NPE- in polyethers L64:30%-35%, low foaming surfactant 105:12%-15%, fatty acid methyl ester ethoxylate sodium sulfonate FMES:10%-12%, dehydrated alcohol: 8%-10% and deionized water: 18%-32%；It is characterized by: the production method of the low foaming surfactant are as follows: step 1: first by Tao Shi Dowfax 20A612, Polyethers NEP-105 and polyethers L64 are put into reaction kettle, are stirred under normal temperature condition to the mixture in reaction kettle, stirring Speed control are as follows: 100 turns/min, mixing time are as follows: 15-20 minutes；
Step 2: dehydrated alcohol, mixing speed control are added into reaction kettle are as follows: 100 turns/min, stir 10 minutes；
Step 3: fatty acid methyl ester ethoxylate sodium sulfonate FMES, mixing speed control are added in reaction kettle are as follows: 100 turns/ Min after stirring is completely dissolved to fatty acid methyl ester ethoxylate sodium sulfonate FMES, continues stirring 30 minutes；
Step 4: being slowly added to deionized water in reaction kettle, and mixing speed control is 60 turns/min, is made after stirring 2 hours Low foaming surfactant；
The application method of the low foaming surfactant are as follows: step A, firstly, low foaming surfactant made from step 4 is taken to be put into Into the first reactive tank, water is then added in the first reactive tank, and solution is released in obtained low foaming surfactant Xi after mixing evenly； The weight for the low foaming surfactant being put into the first reactive tank accounts for the 10%-20% that solution is released in low foaming surfactant Xi, is added The weight of water in first reactive tank accounts for the 80%-90% that solution is released in low foaming surfactant Xi；
Step B, water and alkaline cleaning additive are put into the second reactive tank be made after mixing evenly alkaline cleaning additive Xi release it is molten Liquid；The weight for the alkaline cleaning additive being put into the second reactive tank accounts for the 5%-10% that solution weight is released in alkaline cleaning additive Xi, puts The weight for entering the water in the second reactive tank accounts for the 90%-95% that solution weight is released in alkaline cleaning additive Xi；
Step C, in use, alkalinity cleaning additive made from solution, step B is released in low foaming surfactant Xi made from step A Solution is released in Xi and water is put into third reactive tank and low foaming surfactant working solution is made after mixing evenly, will finally need It is cleaned in low foaming surfactant working solution in the ironware investment third reactive tank of cleaning, from third after workpiece cleaning It is taken out in reactive tank；The weight that solution is released in low foaming surfactant Xi made from the step A being put into third reactive tank accounts for The 5%-10% of manufactured low foaming surfactant working solution weight in third reactive tank, the step B system being put into third reactive tank The weight that solution is released in the alkaline cleaning additive Xi obtained accounts for manufactured low foaming surfactant working solution weight in third reactive tank 5%-10%, the weight for the water being put into third reactive tank account for manufactured low foaming surfactant working solution weight in third reactive tank 80%-90%；
The alkalinity cleaning additive includes one of sodium hydroxide, potassium hydroxide, metasilicate and phosphate or a variety of；
When the low foaming surfactant normal use, foam height is maintained at greater than 1cm, is less than 2cm；Low foaming surfactant The use of temperature is 25 DEG C -50 DEG C, adjusts total alkalinity using alkaline assistant after fluting, total alkalinity should be controlled in less than 22 points.
2. the production method and application method of a kind of low foaming surfactant according to claim 1, it is characterised in that: should Time needed for low foaming surfactant cleans an ironware are as follows: be less than or equal to 1 min.
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CN101089167A (en) * 2006-06-16 2007-12-19 大连绿洲化工有限公司 Green high-concentration low-foam antirust metal detergent
CN103668264A (en) * 2013-12-19 2014-03-26 湖南金裕化工有限公司 Normal-temperature neutral phosphorus-free degreasant and preparing method
CN105483726A (en) * 2015-11-30 2016-04-13 武汉奥克特种化学有限公司 Efficient low-foam normal-temperature phosphorous-free oil removing liquid

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CN105483726A (en) * 2015-11-30 2016-04-13 武汉奥克特种化学有限公司 Efficient low-foam normal-temperature phosphorous-free oil removing liquid

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