CN109705997A - A kind of chemical industry equipment grease stain detergent and preparation method thereof - Google Patents
A kind of chemical industry equipment grease stain detergent and preparation method thereof Download PDFInfo
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- CN109705997A CN109705997A CN201910074259.3A CN201910074259A CN109705997A CN 109705997 A CN109705997 A CN 109705997A CN 201910074259 A CN201910074259 A CN 201910074259A CN 109705997 A CN109705997 A CN 109705997A
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Abstract
The present invention relates to a kind of chemical industry equipment grease stain detergents and preparation method thereof, belong to detergent preparation field, detergent raw material is calculated as according to mass percent: 50~87wt% of decontamination auxiliary agent, 2~20wt% of organic silicon surfactant, 8~30wt% of Organic Alcohol, 3~12wt% of emulsification foaming agent；Preparation method includes the following steps: that (1) configures certain density alkaline solution；(2) into step (1), decontamination auxiliary agent, organic silicon surfactant, Organic Alcohol, emulsification foaming agent, flavors and fragrances etc. is added in gained alkaline solution；(3) mixed solution in reaction kettle heating stepses (2) stirs a period of time under certain temperature；(4) after a certain period of time, a certain amount of weak acid is added in reaction under stirring, after mixing, closes stirring, stands sample and obtains chemical industry equipment grease stain detergent.The present invention can prepare a kind of alkalinity appropriateness, have the detergent of good elution effect to chemical industry equipment grease stain.
Description
Technical field
The invention belongs to detergent preparation fields, are related to one kind and help containing organic silicon surfactant, esters ethers decontamination
Detergent of agent and preparation method thereof more particularly to a kind of chemical industry equipment grease stain detergent containing organic silicon surfactant and
Preparation method.
Background technique
The development of modern chemical industry technology provides the various daily neces saries such as required oil gas, material, Chemical Engineering Technology for the mankind's
Progress be unable to do without the use of modern chemical industry equipment, but in chemical materials production process, chemical industry equipment is often by by-product
Object pollution, for example, crude oil is added to catalytic cracking tower in oil refining process, after reaction, tower wall, tower bottom in reaction tower
Mink cell focus will be accumulated, this can not be removed by simple method for washing, the fortune of operational efficiency and device to chemical industry equipment
Row safety causes significant impact.Therefore, it removes the grease stain in chemical industry equipment and realizes that the cleaning of chemical industry equipment is Chemical Manufacture maintenance
Maximum target in the process.
Most common method is impregnated by a large amount of strong acid and strong base solution at this stage, and at sufficiently high temperature repeatedly
On the one hand flushing device, this method will cause the corrosion of equipment, the processing of a large amount of waste liquid on the other hand generated is also by face
Face serious problem, such method has significant limitation in use.Therefore, a kind of sustainable chemical industry of green is found to set
Standby detergent by be chemical industry another great demand.
Water-based cleaner has many advantages, such as safety, recycles renewable, environment-friendly degradable, is one of the emphasis researched and developed at present,
Deionized water collocation chelating agent, surfactant and the Phosphateless environmentally friendly of compounding of alkaline reagent combination are newly formulated, substantially can be with
Cleaning object is compatible, does not damage object surface；In addition a variety of surfactants and multifunction additive match, and can also realize
The effect of degreasing and metal surface antirust, therefore developing has the detergent of such compounding ingredients will be more and more important, such as
CN107904034A discloses a kind of chemical industry equipment cleaner special, and it includes chelating agent Sodium Polyacrylates, the poly- asparagus fern ammonia of builder
The components such as sour sodium are prepared for the chemical industry equipment detergent of the type；CN104928090A discloses a kind of chemical engineering sewage delivery pipe
The preparation of road detergent joined a large amount of dirty agent component in preparation kind to provide cleaning effect；CN104450264A is disclosed
It is a kind of to clean agent prescription using the chemical industry equipment of identical chelating agent with CN107904034A.But chemical industry equipment at this stage is clear
Clean dose more to use strong alkaline substance, such as sodium hydroxide, potassium hydroxide is added among formula as auxiliary agent, therefore, in order to
The sustainable development of environment and society, it is necessary to the exploitation for solving chemical industry equipment detergent is developed by new thinking.With
Organic silicon surfactant, esters ethers decontamination auxiliary agent get the nod as the status of environmentally protective surfactant, therefore pass through
The addition of organic silicon surfactant, the addition for reducing strong alkaline substance realize that the removal of chemical industry equipment grease stain has wide application
Prospect.
Summary of the invention
The present invention provides a kind of chemical industry equipment grease stain detergents and preparation method thereof, by improving organosilicone surfactant
The use of agent, reduces the addition of strong alkaline substance, to be prepared for environmentally protective chemical industry equipment grease stain detergent.
What the present invention was realized using following technical scheme:
The present invention provides a kind of chemical industry equipment grease stain detergents to dissolve table by improving the content of active soil release component
Face active component, and suitable organic alcoholic solution of arranging in pairs or groups realize the compatibility between each component by adjusting the pH value of solution, from
And realize the preparation of high-concentration green environment-friendlydisinfectant chemical industry equipment grease stain detergent, each raw material is calculated as according to mass percent: decontamination helps
50~87wt% of agent, 2~20wt% of organic silicon surfactant, 8~30wt% of Organic Alcohol, 3~12wt% of emulsification foaming agent.
It is further preferred that a kind of chemical industry equipment grease stain detergent, raw material are calculated as according to mass percent: raw material is according to matter
Measure percentages are as follows: 75~85wt% of decontamination auxiliary agent, 2~10wt% of organic silicon surfactant, 8~16wt% of Organic Alcohol, cream
Change 5~9wt% of foaming agent.
It is further preferred that the decontamination auxiliary agent includes butyl -2- methoxy ethyl ether, the mono- 2- ethylhexyl of ethylene glycol
Ether, oxalic acid, butyl acetate, seven polyglycol ether of dodecyl, in ten diether of triethylene glycol list any two kinds or
Two or more combinations.
It is further preferred that the organic silicon surfactant is the hexamethyl cyclotrisiloxane, (dimethylsilane of Isosorbide-5-Nitrae-two
Base) benzene, bis- (trimethyl silicane) benzene of 1,2-, bis- (trimethylsilyl) phenylates, ring five dimethyl silicone polymer, ethyl etherate base three
In combination of any two or more in methyl-monosilane.
It is further preferred that the Organic Alcohol be glycerol, it is polyethylene glycol, propylene glycol, 1- propyl alcohol, 3- enanthol, 1- octanol, thin
In combination of any two or more in lotus alkane -3,8- glycol.
It is further preferred that the emulsification foaming agent is lauryl sodium sulfate, any two kinds in polyphosphate sodium, enuatrol
Or two or more combination.
The present invention also provides a kind of preparation methods of chemical industry equipment grease stain detergent, and weakly alkaline solution is selected to increase
The rate of dissolution of solvent reduces the requirement in solution mixed process to temperature and heating time, mixes specific steps are as follows:
(1) alkaline solution is configured；
(2) decontamination auxiliary agent, organosilicone surfactant is added according to mass percent to the middle gained alkaline solution of step (1)
Agent, Organic Alcohol, emulsification foaming agent；
(3) mixed solution in step (2) is heated and is stirred；
(4) under stirring, in step (3), weak acid is added, after mixing, closes stirring, stands sample and obtains
Chemical industry equipment grease stain detergent.
It is further preferred that alkaline solution described in step (1) is that sodium carbonate liquor, sodium bicarbonate solution, sodium phosphate are molten
Any one in liquid or dibastic sodium phosphate solution or two or more combinations, the mass fraction of solute is 10 in the alkaline solution
~20wt%, the pH of the alkaline solution are 10~13.
It is further preferred that the mass fraction of solute is preferably 15~20wt% in step (1) described aqueous slkali, the alkali
Property solution pH be 11~12.
It is further preferred that the temperature of solution described in step (3) heating stepses (2) is 30~100 DEG C, preferably
50~80 DEG C；
It is further preferred that step (3) heating time is 0.2~1h, preferably 0.5~0.7h.
It is further preferred that step (2) weak acid is phosphoric acid solution, in oleic acid solutions, benzene sulfonic acid solution, citric acid
Any one or two or more combinations, mass fraction are 1~5wt%, and the additive amount of preferably 2~3wt%, the weak acid are
5~20wt% of bulk solution weight.
Compared with prior art, the present invention at least has the advantages that
(1) chemical industry equipment detergent provided by the invention is highly enriched detergent, is made after can adding deionized water dissolving
With being easy to transport, practical application value with higher.
(2) chemical industry equipment detergent provided by the invention is alkalescent detergent, without using sodium hydroxide, potassium hydroxide etc.
Strong alkaline substance, it is nonirritant to human skin close friend, it is environmentally friendly.
(3) present invention is formula kind of large scale improves organosilicone surfactants, esters ethers decontamination auxiliary agent makes
With biodegradability is strong, and dirt-removing power is strong and without secondary pollution.
Specific embodiment
Of the invention for ease of understanding, it is as follows that the present invention enumerates embodiment.Those skilled in the art are it will be clearly understood that the implementation
Example is only to aid in the understanding present invention, should not be regarded as a specific limitation of the invention.
Embodiment 1
A kind of chemical industry equipment grease stain detergent is present embodiments provided, each raw material is calculated as according to mass percent: decontamination helps
Agent 80wt%, organic silicon surfactant 3wt%, Organic Alcohol 9wt%, emulsification foaming agent 8wt%；
The decontamination auxiliary agent selection: butyl -2- methoxy ethyl ether, the mono- 2- ethylhexyl ether of ethylene glycol, oxalic acid, diethyl
Glycol monobutyl ether acetate；
The organic silicon surfactant selection: hexamethyl cyclotrisiloxane, 1,4- bis- (dimethylsilyl) benzene, 1,2-
Bis- (trimethyl silicane) benzene；
The Organic Alcohol selection: glycerol, polyethylene glycol, propylene glycol；
The emulsification foaming agent selection: lauryl sodium sulfate, polyphosphate sodium.
A kind of preparation method of chemical industry equipment grease stain detergent, preparation method include the following steps:
(1) deionized water for taking 100g, sodium bicarbonate is added into deionized water, and the mass fraction of sodium bicarbonate is preferably
15wt%, adjusting pH value is 11；
(2) butyl -2- methoxy ethyl ether, the mono- 2- second of ethylene glycol is added in gained sodium carbonate liquor into step (1)
Base hexyl ether, oxalic acid, each 20g of butyl acetate；Hexamethyl cyclotrisiloxane, 1,4- bis- (dimethylsilyl)
Each 1g of bis- (trimethyl silicane) benzene of benzene, 1,2-；Each 3g of glycerol, polyethylene glycol, propylene glycol；Lauryl sodium sulfate, polyphosphate sodium are each
4g；
(3) mixed solution in reaction kettle heating stepses (2) stirs 1 hour at 50 DEG C；
(4) under stirring, in step (3), addition 15g mass fraction is 2wt% phosphoric acid solution, is stirred 10 minutes,
It stands sample and obtains chemical industry equipment grease stain detergent.
Embodiment 2
A kind of chemical industry equipment grease stain detergent is present embodiments provided, each raw material is calculated as according to mass percent: decontamination helps
Agent 60wt%, organic silicon surfactant 14wt%, Organic Alcohol 14wt%, emulsification foaming agent 12wt%；
The decontamination auxiliary agent selection: butyl 2- methoxy ethyl ether, the mono- 2- ethylhexyl ether of ethylene glycol, oxalic acid, diethyl two
Alcohol monobutyl ether acetate, seven polyglycol ether of dodecyl, ten diether of triethylene glycol list；
The organic silicon surfactant selection: hexamethyl cyclotrisiloxane, 1,4- bis- (dimethylsilyl) benzene, 1,2-
Bis- (trimethyl silicane) benzene, bis- (trimethylsilyl) phenylates, ring five dimethyl silicone polymer；
The Organic Alcohol selection: glycerol, polyethylene glycol, propylene glycol, 1- propyl alcohol, 3- enanthol, 1- octanol, terpane -3,8-
Glycol；
The emulsification foaming agent selection: lauryl sodium sulfate, polyphosphate sodium, enuatrol.
A kind of preparation method of chemical industry equipment grease stain detergent, the preparation method include the following steps:
(1) sodium phosphate is added into deionized water for the deionized water for taking 100g, the mass fraction of solute in sodium radio-phosphate,P-32 solution
For 20wt%, adjusting pH value is 13；
(2) butyl 2- methoxy ethyl ether, the mono- 2- ethyl of ethylene glycol is added in gained sodium carbonate liquor into step (1)
Hexyl ether, oxalic acid, butyl acetate, seven polyglycol ether of dodecyl, each 10g of ten diether of triethylene glycol list；Six
Methyl cyclotrisiloxane, 1,4- bis- (dimethylsilyl) benzene, bis- (trimethyl silicane) benzene of 1,2-, bis- (trimethylsilyl) benzene
Each 2.8g of ether, ring five dimethyl silicone polymer；Glycerol, polyethylene glycol, propylene glycol, 1- propyl alcohol, 3- enanthol, 1- octanol, terpane-
Each 2g of 3,8- glycol；Each 4g of lauryl sodium sulfate, polyphosphate sodium, enuatrol；
(3) mixed solution in reaction kettle heating stepses (2) stirs 1 hour at 30 DEG C；
(4) under stirring, in step (3), addition 20g mass fraction is 5wt% oleic acid solutions, is stirred 5 minutes, quiet
It sets sample and obtains chemical industry equipment grease stain detergent.
Embodiment 3
A kind of chemical industry equipment grease stain detergent is present embodiments provided, each raw material is calculated as according to mass percent: decontamination helps
Agent 64wt%, organic silicon surfactant 6wt%, Organic Alcohol 20wt%, emulsification foaming agent 10wt%；
The decontamination auxiliary agent selection: the mono- 2- ethylhexyl ether of ethylene glycol, butyl acetate, dodecyl seven
Polyglycol ether, ten diether of triethylene glycol list；
The organic silicon surfactant selection: bis- (trimethylsilyl) phenylates, ring five dimethyl silicone polymer, ethyl
Ether base trimethyl silane；
The Organic Alcohol selection: glycerol, propylene glycol, 1- propyl alcohol, 1- octanol, terpane -3,8- glycol；
The emulsification foaming agent selection: polyphosphate sodium, enuatrol.
A kind of preparation method of chemical industry equipment grease stain detergent, the preparation method include the following steps:
(1) sodium phosphate is added into deionized water for the deionized water for taking 100g, the mass fraction of solute in sodium radio-phosphate,P-32 solution
For 20wt%, adjusting pH value is 10；
(2) into step (1) in gained sodium carbonate liquor, the mono- 2- ethylhexyl ether of ethylene glycol, butyl is added
Acetate, seven polyglycol ether of dodecyl, each 16g of ten diether of triethylene glycol list；Bis- (trimethylsilyl) phenylates, ring five are poly-
Dimethyl siloxane, each 2g of ethyl etherate base trimethyl silane；Glycerol, propylene glycol, 1- propyl alcohol, 1- octanol, terpane -3,8- two
Each 4g of alcohol；Each 10g of polyphosphate sodium, enuatrol；
(3) mixed solution in reaction kettle heating stepses (2) stirs 0.6 hour at 70 DEG C；
(4) under stirring, in step (3), the citric acid that 35g mass fraction is 3wt% is added, stirs 10 minutes,
It stands sample and obtains chemical industry equipment grease stain detergent.
Embodiment 4
A kind of chemical industry equipment grease stain detergent is present embodiments provided, each raw material is calculated as according to mass percent: decontamination helps
Agent 60wt%, organic silicon surfactant 20wt%, Organic Alcohol 8wt%, emulsification foaming agent 12wt%；
The decontamination auxiliary agent selection: butyl 2- methoxy ethyl ether, butyl acetate, the poly- second of dodecyl seven
Glycol ethers, ten diether of triethylene glycol list；
The organic silicon surfactant selection: hexamethyl cyclotrisiloxane, 1,4- bis- (dimethylsilyl) benzene, 1,2-
Bis- (trimethyl silicane) benzene, bis- (trimethylsilyl) phenylates, ring five dimethyl silicone polymer, ethyl etherate base trimethyl silane；
The Organic Alcohol selection: glycerol, polyethylene glycol, propylene glycol, 1- propyl alcohol, 3- enanthol, 1- octanol, terpane -3,8-
Glycol；
The emulsification foaming agent selection: lauryl sodium sulfate, polyphosphate sodium, enuatrol.
The present embodiment additionally provides a kind of preparation method of chemical industry equipment grease stain detergent, and the preparation method includes as follows
Step:
(1) sodium bicarbonate is added into deionized water for the deionized water for taking 100g, the quality of solute point in sodium radio-phosphate,P-32 solution
Number is 20wt%, and adjusting pH value is 13；
(2) butyl 2- methoxy ethyl ether, butyl vinegar is added in gained sodium carbonate liquor into step (1)
Acid esters, seven polyglycol ether of dodecyl, each 15g of ten diether of triethylene glycol list；Hexamethyl cyclotrisiloxane, bis- (diformazan of 1,4-
Base silane base) benzene, bis- (trimethylsilyl) phenylates, ring five dimethyl silicone polymer, each 4g of ethyl etherate base trimethyl silane；
1- propyl alcohol, 3- enanthol, 1- octanol, each 2g of terpane -3,8- glycol；Each 6g of lauryl sodium sulfate, enuatrol；
(3) mixed solution in reaction kettle heating stepses (2) stirs 0.2 hour at 80 DEG C；
(4) under stirring, in step (3), it is 2wt% phosphoric acid solution and 10g mass fraction that 15g mass fraction, which is added,
It for 3wt% citric acid, stirs 20 minutes, stands sample and obtain chemical industry equipment grease stain detergent.
Embodiment 5
A kind of chemical industry equipment grease stain detergent is present embodiments provided, each raw material is calculated as according to mass percent: decontamination helps
Agent 54wt%, organic silicon surfactant 16wt%, Organic Alcohol 20wt%, emulsification foaming agent 10wt%；
The decontamination auxiliary agent selection: butyl 2- methoxy ethyl ether, the mono- 2- ethylhexyl ether of ethylene glycol, oxalic acid, diethyl two
Alcohol monobutyl ether acetate, seven polyglycol ether of dodecyl, ten diether of triethylene glycol list；
The organic silicon surfactant selection: bis- (trimethyl silicane) benzene of hexamethyl cyclotrisiloxane, 1,2-, bis- (front threes
Base silane base) phenylate, ethyl etherate base trimethyl silane；
The Organic Alcohol selection: glycerol, propylene glycol, 1- propyl alcohol, 1- octanol；
The emulsification foaming agent selection: lauryl sodium sulfate, polyphosphate sodium, enuatrol.
The present embodiment additionally provides a kind of preparation method of chemical industry equipment grease stain detergent, and the preparation method includes as follows
Step:
(1) sodium carbonate is added into deionized water for the deionized water for taking 100g, the mass fraction of solute in sodium radio-phosphate,P-32 solution
For 18wt%, adjusting pH value is 12；
(2) butyl 2- methoxy ethyl ether, the mono- 2- ethyl of ethylene glycol is added in gained sodium carbonate liquor into step (1)
Hexyl ether, oxalic acid, butyl acetate, seven polyglycol ether of dodecyl, each 9g of ten diether of triethylene glycol list；Pregnancy
Bis- (trimethyl silicane) benzene of basic ring trisiloxanes, 1,2-, bis- (trimethylsilyl) phenylates, ethyl etherate base trimethyl silane are each
4g；Glycerol, propylene glycol, 1- propyl alcohol, each 5g of 1- octanol；Each 5g of lauryl sodium sulfate, polyphosphate sodium；
(3) mixed solution in reaction kettle heating stepses (2) stirs 0.5 hour at 100 DEG C；
(4) under stirring, in step (3), it is 2wt% benzene sulfonic acid solution and 5g mass point that 15g mass fraction, which is added,
Number is 6wt% citric acid, is stirred 15 minutes, stands sample and obtains chemical industry equipment grease stain detergent.
In order to test the detergency ability of detergent, spy is gone using commercial detergent A (dirt-removing power is defined as 100%)
Dirty performance comparison test, using and being stained with chemical industry equipment spot number is 1,2,3 three kinds of cloths as test sample, test result
It is as shown in the table:
Table 1: dirt-removing power comparison
Comparative experiments discovery, compares with commercial samples, and prepared detergent, clean effect is preferable, and in cleaning process
In, detergent generation foam is more, and solubility property and washing effect are preferable.
The present invention provides a kind of preparation method of chemical industry equipment grease stain detergent, using being to be diluted with water according to demand
It uses, since detergent is directed to grease stain, therefore the grease stain of chemical industry equipment is not limited solely to, for the grease stain mechanical equipment of same type
This detergent can also be used to be cleaned.
The Applicant declares that the present invention is explained by the above embodiments method detailed of the invention, but the present invention not office
Be limited to above-mentioned method detailed, that is, do not mean that the invention must rely on the above detailed methods to implement.Technical field
Technical staff it will be clearly understood that any improvement in the present invention, equivalence replacement and auxiliary element to each raw material of product of the present invention
Addition, selection of concrete mode etc., all of which fall within the scope of protection and disclosure of the present invention.
Claims (10)
1. a kind of chemical industry equipment grease stain detergent, it is characterised in that: raw material is calculated as according to mass percent: decontamination auxiliary agent 50~
87wt%, 2~20wt% of organic silicon surfactant, 8~30wt% of Organic Alcohol, 3~12wt% of emulsification foaming agent.
2. a kind of chemical industry equipment grease stain detergent according to claim 1, it is characterised in that: raw material is according to mass percent
It is calculated as: 75~85wt% of decontamination auxiliary agent, 2~10wt% of organic silicon surfactant, 8~16wt% of Organic Alcohol, emulsification foaming agent 5
~9wt%.
3. a kind of chemical industry equipment grease stain detergent according to claim 1, it is characterised in that: the decontamination auxiliary agent includes fourth
Base -2- methoxy ethyl ether, the mono- 2- ethylhexyl ether of ethylene glycol, oxalic acid, butyl acetate, dodecyl seven are poly-
In combination of any two or more in glycol ether, ten diether of triethylene glycol list.
4. a kind of chemical industry equipment grease stain detergent according to claim 1, it is characterised in that: the organosilicone surfactant
Agent is hexamethyl cyclotrisiloxane, 1,4- bis- (dimethylsilyl) benzene, bis- (trimethyl silicane) benzene of 1,2-, bis- (trimethyl silanes
Base) phenylate, ring five dimethyl silicone polymer, in combination of any two or more in ethyl etherate base trimethyl silane.
5. a kind of chemical industry equipment grease stain detergent according to claim 1, it is characterised in that: the Organic Alcohol be glycerol,
Polyethylene glycol, propylene glycol, 1- propyl alcohol, 3- enanthol, 1- octanol, two or more any group in terpane -3,8- glycol
It closes.
6. a kind of chemical industry equipment grease stain detergent according to claim 1, it is characterised in that: the emulsification foaming agent is ten
Sodium dialkyl sulfate, polyphosphate sodium, in combination of any two or more in enuatrol.
7. the preparation method of -6 any a kind of chemical industry equipment grease stain detergents according to claim 1, it is characterised in that: tool
Body step are as follows:
(1) alkaline solution is configured；
(2) decontamination auxiliary agent is added according to mass percent to the middle gained alkaline solution of step (1), organic silicon surfactant, has
Machine alcohol, emulsification foaming agent；
(3) mixed solution in step (2) is heated and is stirred；
(4) under stirring, in step (3), weak acid is added, after mixing, closes stirring, stands sample and obtains chemical industry
Equipment grease stain detergent.
8. a kind of preparation method of chemical industry equipment grease stain detergent according to claim 7, it is characterised in that: step (1)
Described in alkaline solution be sodium carbonate liquor, sodium bicarbonate solution, sodium radio-phosphate,P-32 solution or dibastic sodium phosphate solution in any one
Or two or more combinations, the mass fraction of solute is 10~20wt% in the alkaline solution, and the pH of the alkaline solution is
10~13.
9. a kind of preparation method of chemical industry equipment grease stain detergent according to claim 7, it is characterised in that: step (3)
Described in heating temperature be 30~100 DEG C, heating time be 0.2~1h.
10. a kind of preparation method of chemical industry equipment grease stain detergent according to claim 7, it is characterised in that: step (4)
The weak acid is phosphoric acid solution, oleic acid solutions, benzene sulfonic acid solution, any one or two or more combinations in citric acid, institute
1~5wt% of mass fraction of weak acid is stated, the additive amount of the weak acid is 5~20wt% of bulk solution weight.
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| CN114149875A (en) * | 2021-12-06 | 2022-03-08 | 广东舒洁环境科技有限公司 | Neutral environment-friendly cleaning agent and preparation method thereof |
| CN114317144A (en) * | 2021-12-31 | 2022-04-12 | 上海舒尔雅日化有限公司 | Active nano silicon, water-based heavy oil dirt cleaning agent containing active nano silicon, and preparation method and application of water-based heavy oil dirt cleaning agent |
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