CN116554972B - Cleaning agent and preparation method thereof - Google Patents
Cleaning agent and preparation method thereof Download PDFInfo
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- CN116554972B CN116554972B CN202310536659.8A CN202310536659A CN116554972B CN 116554972 B CN116554972 B CN 116554972B CN 202310536659 A CN202310536659 A CN 202310536659A CN 116554972 B CN116554972 B CN 116554972B
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- cleaning agent
- polyoxyethylene ether
- carboxymethyl chitosan
- protective layer
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- 239000012459 cleaning agent Substances 0.000 title claims abstract description 82
- 238000002360 preparation method Methods 0.000 title abstract description 5
- 229940051841 polyoxyethylene ether Drugs 0.000 claims abstract description 46
- 229920000056 polyoxyethylene ether Polymers 0.000 claims abstract description 46
- 229920001661 Chitosan Polymers 0.000 claims abstract description 45
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims abstract description 41
- APQHKWPGGHMYKJ-UHFFFAOYSA-N Tributyltin oxide Chemical compound CCCC[Sn](CCCC)(CCCC)O[Sn](CCCC)(CCCC)CCCC APQHKWPGGHMYKJ-UHFFFAOYSA-N 0.000 claims abstract description 27
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 15
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 33
- -1 polydimethylsiloxane Polymers 0.000 claims description 28
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 14
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 14
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 claims description 10
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 claims description 10
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 9
- AEQDJSLRWYMAQI-UHFFFAOYSA-N 2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline Chemical compound C1CN2CC(C(=C(OC)C=C3)OC)=C3CC2C2=C1C=C(OC)C(OC)=C2 AEQDJSLRWYMAQI-UHFFFAOYSA-N 0.000 claims description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- 239000000176 sodium gluconate Substances 0.000 claims description 6
- 235000012207 sodium gluconate Nutrition 0.000 claims description 6
- 229940005574 sodium gluconate Drugs 0.000 claims description 6
- DZCAZXAJPZCSCU-UHFFFAOYSA-K sodium nitrilotriacetate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CC([O-])=O DZCAZXAJPZCSCU-UHFFFAOYSA-K 0.000 claims description 6
- 239000003599 detergent Substances 0.000 claims description 4
- 229920000847 nonoxynol Polymers 0.000 claims description 3
- 229920002113 octoxynol Polymers 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 abstract description 35
- 239000004033 plastic Substances 0.000 abstract description 35
- 239000011241 protective layer Substances 0.000 abstract description 33
- 230000000694 effects Effects 0.000 abstract description 19
- 230000002401 inhibitory effect Effects 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 229910052736 halogen Inorganic materials 0.000 abstract description 3
- 150000002367 halogens Chemical class 0.000 abstract description 3
- 239000011574 phosphorus Substances 0.000 abstract description 3
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 3
- 239000011593 sulfur Substances 0.000 abstract description 3
- 229910052717 sulfur Inorganic materials 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 description 16
- 239000004698 Polyethylene Substances 0.000 description 14
- 229920000573 polyethylene Polymers 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 8
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 6
- 210000004027 cell Anatomy 0.000 description 6
- 238000005507 spraying Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000005764 inhibitory process Effects 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000813 microbial effect Effects 0.000 description 5
- 239000011358 absorbing material Substances 0.000 description 4
- 230000032683 aging Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000002310 reflectometry Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 210000000170 cell membrane Anatomy 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 229910021645 metal ion Inorganic materials 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- 241000228212 Aspergillus Species 0.000 description 2
- 241000228232 Aspergillus tubingensis Species 0.000 description 2
- 238000007605 air drying Methods 0.000 description 2
- 239000013522 chelant Substances 0.000 description 2
- 239000002738 chelating agent Substances 0.000 description 2
- 239000001963 growth medium Substances 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000002147 killing effect Effects 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000009630 liquid culture Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- IEORSVTYLWZQJQ-UHFFFAOYSA-N 2-(2-nonylphenoxy)ethanol Chemical compound CCCCCCCCCC1=CC=CC=C1OCCO IEORSVTYLWZQJQ-UHFFFAOYSA-N 0.000 description 1
- JYCQQPHGFMYQCF-UHFFFAOYSA-N 4-tert-Octylphenol monoethoxylate Chemical compound CC(C)(C)CC(C)(C)C1=CC=C(OCCO)C=C1 JYCQQPHGFMYQCF-UHFFFAOYSA-N 0.000 description 1
- 230000004543 DNA replication Effects 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000009422 growth inhibiting effect Effects 0.000 description 1
- 230000009036 growth inhibition Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 102000039446 nucleic acids Human genes 0.000 description 1
- 108020004707 nucleic acids Proteins 0.000 description 1
- 150000007523 nucleic acids Chemical class 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000024241 parasitism Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 150000003904 phospholipids Chemical class 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000001243 protein synthesis Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000014616 translation Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/825—Mixtures of compounds all of which are non-ionic
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/044—Hydroxides or bases
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/168—Organometallic compounds or orgometallic complexes
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/22—Carbohydrates or derivatives thereof
- C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
- C11D3/227—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin with nitrogen-containing groups
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/72—Ethers of polyoxyalkylene glycols
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/14—Hard surfaces
- C11D2111/18—Glass; Plastics
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Emergency Medicine (AREA)
- Detergent Compositions (AREA)
Abstract
In order to solve the problem that the existing pipeline plastic protective layer is difficult to inhibit the growth of mould, the invention provides a cleaning agent which is characterized by comprising the following components in parts by weight: 0.3 to 3 parts of alkyl polyoxyethylene ether, 0.3 to 4 parts of alkylphenol polyoxyethylene ether, 0.3 to 3 parts of alkali metal hydroxide, 0.3 to 5 parts of carboxymethyl chitosan, 0.1 to 2 parts of tributyl tin oxide and 12 to 96 parts of water. Meanwhile, the invention also discloses a preparation method of the cleaning agent. The cleaning agent provided by the invention can remove greasy dirt on the surface of the plastic protective layer, plays a role in continuously inhibiting the growth of mould, has a good anti-corrosion and mould-proof effect, contains no sulfur, phosphorus, halogen and other elements, and has good environmental friendliness.
Description
Technical Field
The invention belongs to the technical field of cleaning agents, and particularly relates to a cleaning agent and a preparation method thereof.
Background
In a power plant, different pipelines are required to be arranged for conveying fluid, in general, the pipelines are prepared from metal materials, and the metal materials are easy to generate corrosion problems under the open air condition or the condition of high humidity, so that plastic protective layers are required to be arranged outside the metal pipelines to protect the metal pipelines, and accordingly corrosion resistance is improved.
However, the plastic protective layer has certain use problems, such as easy contamination of the surface of the plastic protective layer with oil stain of a lubricating oil layer, and addition of various small molecular additives such as fatty acid plasticizer, soft phospholipid dispersant, lubricating grease, antioxidant and the like in the production of the plastic protective layer. The substances provide nutrients for the growth of microorganisms, and are easy to cause the problems of mould parasitism and propagation. The growth of mould also causes ageing of plastics, which leads to infiltration and corrosion of water vapor on the surface of a metal pipeline and adverse effects on the heat insulation performance of a heat insulation layer of the metal pipeline, the conventional pipeline cleaning agent is only a conventional cleaning agent, and the components mainly comprise a surfactant, a bactericide and the like, and the conventional pipeline cleaning agent has a certain cleaning effect on greasy dirt on the surface, but has no obvious effect on the growth of mould, and is difficult to solve the ageing problem of the plastic protection layer outside the pipeline.
Disclosure of Invention
Aiming at the problem that the existing pipeline plastic protective layer is difficult to inhibit the growth of mould, the invention provides a cleaning agent and a preparation method thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows:
In one aspect, the invention provides a cleaning agent comprising the following components in parts by weight:
0.3 to 3 parts of alkyl polyoxyethylene ether, 0.3 to 4 parts of alkylphenol polyoxyethylene ether, 0.3 to 3 parts of alkali metal hydroxide, 0.3 to 5 parts of carboxymethyl chitosan, 0.1 to 2 parts of tributyl tin oxide and 12 to 96 parts of water.
Optionally, the cleaning agent comprises the following components in parts by weight:
0.5 to 2 parts of alkyl polyoxyethylene ether, 0.5 to 3 parts of alkylphenol polyoxyethylene ether, 0.3 to 2 parts of alkali metal hydroxide, 0.5 to 3 parts of carboxymethyl chitosan, 0.3 to 1 part of tributyl tin oxide and 12 to 96 parts of water.
Optionally, the alkyl polyoxyethylene ether comprises one or more of nonylphenol polyoxyethylene ether, octylpolyoxyethylene ether and laurinol polyoxyethylene ether.
Optionally, the alkylphenol ethoxylates include nonylphenol ethoxylate and/or octylphenol ethoxylate.
Optionally, the alkali metal hydroxide comprises sodium hydroxide and/or potassium hydroxide.
Optionally, the pH of the cleaning agent is 11 or more.
Optionally, the cleaning agent comprises the following components in parts by weight:
0.01 to 0.1 part of sodium gluconate and 0.01 to 0.1 part of sodium nitrilotriacetate.
Optionally, the cleaning agent comprises the following components in parts by weight:
0.1 to 0.5 part of polydimethylsiloxane.
In another aspect, the present invention provides a method of preparing a detergent as described above, comprising the following steps:
According to the weight portions, respectively adding the alkyl polyoxyethylene ether, the alkylphenol polyoxyethylene ether, the alkali metal hydroxide and the carboxymethyl chitosan into water, mixing and stirring to obtain the cleaning agent.
Optionally, the method further comprises the following operations:
adding 0.01 to 0.1 part of sodium gluconate, 0.01 to 0.1 part of sodium nitrilotriacetate and 0.1 to 0.5 part of polydimethylsiloxane, mixing and stirring to obtain the cleaning agent.
According to the cleaning agent provided by the invention, alkyl polyoxyethylene ether and alkylphenol polyoxyethylene ether are adopted as surfactants, so that the cleaning agent has better cleaning capability of greasy dirt and impurities, and simultaneously, carboxymethyl chitosan, tributyltin oxide and alkaline alkali metal hydroxide are added, wherein the alkali metal hydroxide can play a certain role in killing existing mould, and is beneficial to removing the greasy dirt on the surface of the plastic protective layer, on the other hand, the alkali metal hydroxide is beneficial to forming hydroxylated polar groups on the surface of the plastic protective layer by treating the surface of the plastic protective layer, so that residual carboxymethyl chitosan after cleaning is beneficial to adsorbing on the plastic protective layer to form a film, and the carboxymethyl chitosan film has the effect of continuously inhibiting the growth of mould, so that the subsequent cleaning difficulty of the plastic protective layer of a pipeline can be reduced, the service life of the pipeline can be prolonged, and the film formed by the addition of tributyltin oxide can be modified, so that the mould growth resistance of the film is further improved.
The cleaning agent provided by the invention has good anti-corrosion and mildew-proof effects, and meanwhile, the contained components do not contain elements such as sulfur, phosphorus, halogen and the like, so that the cleaning agent has good environmental friendliness.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the invention more clear, the invention is further described in detail below with reference to the embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
An embodiment of the invention provides a cleaning agent, which comprises the following components in parts by weight:
0.3 to 3 parts of alkyl polyoxyethylene ether, 0.3 to 4 parts of alkylphenol polyoxyethylene ether, 0.3 to 3 parts of alkali metal hydroxide, 0.3 to 5 parts of carboxymethyl chitosan, 0.1 to 2 parts of tributyl tin oxide and 12 to 96 parts of water.
Alkyl polyoxyethylene ether and alkylphenol polyoxyethylene ether are adopted as surfactants, so that the cleaning capability of greasy dirt and impurities is better, and simultaneously, carboxymethyl chitosan, tributyltin oxide and alkaline alkali metal hydroxide are added, wherein the alkali metal hydroxide can play a certain role in killing the existing mould, and is beneficial to removing the greasy dirt on the surface of the plastic protective layer.
It should be noted that the functions of the alkali metal hydroxide, the carboxymethyl chitosan and the tributyltin oxide in the cleaning agent are mutually synergistic, and the cleaning agent has continuous inhibition effect on the growth of mould when the alkali metal hydroxide, the carboxymethyl chitosan and the tributyltin oxide are added simultaneously.
Specifically, the alkali metal hydroxide is used for treating the surface of the plastic protective layer to form hydroxylated polar groups on the surface of the plastic protective layer, so that residual carboxymethyl chitosan after cleaning is adsorbed on the plastic protective layer to form a film, the carboxymethyl chitosan film has the effect of continuously inhibiting mold growth, the subsequent cleaning difficulty of the plastic protective layer of the pipeline can be reduced, the service life of the pipeline can be prolonged, and the film formed by carboxymethyl chitosan can be modified through the addition of tributyl tin oxide, so that the mold growth resistance of the film is further improved.
The cleaning agent provided by the invention has good anti-corrosion and mildew-proof effects, and meanwhile, the contained components do not contain elements such as sulfur, phosphorus, halogen and the like, so that the cleaning agent has good environmental friendliness.
The film formed by carboxymethyl chitosan has the principle of inhibiting the growth of mould: (1) The small molecule chitosan can penetrate through the cell membrane and enter the microbial cells to be combined with negatively charged substances (mainly proteins and nucleic acids) in the cells, so that the normal physiological functions of the cells (such as DNA replication, protein synthesis and the like) are influenced, and the death of the microorganisms is caused. (2) The macromolecular chitosan is adsorbed on the surfaces of microbial cells to form a layer of macromolecular membrane, so that nutrient substances are prevented from being transported into the cells, and the effects of sterilization and bacteriostasis are achieved. (3) The interaction between the positive charge of chitosan and the negative charge on the surface of the microbial cell membrane changes the permeability of the microbial cell membrane, causing the death of the microbial cell. (4) Chitosan acts as a chelating agent to selectively chelate metal ions critical to the growth of microorganisms, thereby inhibiting the growth of microorganisms.
The tributyl tin oxide is a common inhibitor for inhibiting the growth of mould, and the film formed by carboxymethyl chitosan has a porous structure after being dried, so that the tributyl tin oxide can be adsorbed and fixed, and the long-term mould growth inhibiting effect of the tributyl tin oxide on the surface of the plastic protective layer is ensured.
In specific embodiments, the weight portion of the alkyl polyoxyethylene ether in the cleaning agent may be 0.3, 0.5, 1, 1.2, 1.4, 1.7, 1.9, 2.1, 2.2, 2.4, 2.7, 2.9 or 3; the alkylphenol ethoxylates may be 0.3 parts, 0.5 parts, 1 part, 1.2 parts, 1.4 parts, 1.7 parts, 1.9 parts, 2.1 parts, 2.2 parts, 2.4 parts, 2.7 parts, 2.9 parts, 3 parts, 3.2 parts, 3.5 parts, 3.8 parts or 4 parts by weight; the alkali metal hydroxide may be 0.3 parts, 0.5 parts, 1 part, 1.2 parts, 1.4 parts, 1.7 parts, 1.9 parts, 2.1 parts, 2.2 parts, 2.4 parts, 2.7 parts, 2.9 parts, or 3 parts by weight; the carboxymethyl chitosan may be 0.3 parts, 0.5 parts, 1 part, 1.2 parts, 1.4 parts, 1.7 parts, 1.9 parts, 2.1 parts, 2.2 parts, 2.4 parts, 2.7 parts, 2.9 parts, 3 parts, 3.2 parts, 3.5 parts, 3.8 parts, 4 parts, 4.2 parts, 4.5 parts, 4.8 parts or 5 parts by weight; the weight portion of tributyltin oxide may be 0.1, 0.3, 0.5, 1, 1.2, 1.4, 1.7, 1.9 or 2.
In a preferred embodiment, the cleaning agent comprises the following components by weight:
0.5 to 2 parts of alkyl polyoxyethylene ether, 0.5 to 3 parts of alkylphenol polyoxyethylene ether, 0.3 to 2 parts of alkali metal hydroxide, 0.5 to 3 parts of carboxymethyl chitosan, 0.3 to 1 part of tributyl tin oxide and 12 to 96 parts of water.
In some embodiments, the carboxymethyl chitosan has a molecular weight of less than 5000kDa.
In some embodiments, the alkyl polyoxyethylene ether includes one or more of nonylphenol polyoxyethylene ether, octylpolyoxyethylene ether, and laurinol polyoxyethylene ether.
In some embodiments, the alkylphenol ethoxylates include nonylphenol ethoxylates and/or octylphenol ethoxylates.
In some embodiments, the alkali metal hydroxide comprises sodium hydroxide and/or potassium hydroxide.
In some embodiments, the pH of the cleaning agent is 11 or greater.
In the cleaning agent, the addition of the alkali metal hydroxide has a large influence on the surface adhesion of the carboxymethyl chitosan, when the addition amount of the alkali metal hydroxide is insufficient or the alkaline substances such as sodium bicarbonate are adopted to replace the carboxymethyl chitosan, the pH value of the cleaning agent is less than 11, and at the moment, the cleaning agent is difficult to form hydroxylated polar sites on the plastic protective layer, so that the carboxymethyl chitosan is carried away with the cleaning agent in the cleaning process, a film is difficult to form on the plastic protective layer, tributyltin oxide cannot be reserved in the carboxymethyl chitosan film, and the tributyltin oxide cannot be reserved on the plastic protective layer due to the fact that the carboxymethyl chitosan film is not formed, so that the growth inhibition effect on mold is limited.
In some embodiments, the cleaning agent comprises the following components by weight:
0.01 to 0.1 part of sodium gluconate and 0.01 to 0.1 part of sodium nitrilotriacetate.
The sodium gluconate and the sodium nitrilotriacetate are both metal chelating agents, and can chelate high-valence metal ions, so that the high-valence metal ions such as Ca, fe and the like are prevented from reacting with other components of the cleaning agent to generate sediments.
In some embodiments, the cleaning agent comprises the following components by weight:
0.1 to 0.5 part of polydimethylsiloxane.
The polydimethylsiloxane has a good brightening effect, the polydimethylsiloxane needs to be used together with carboxymethyl chitosan to be attached to the pores of the carboxymethyl chitosan film, the reflectivity of external light is improved, and therefore the ultraviolet aging resistance effect of the plastic protective layer is improved.
An embodiment of the present invention provides a method for preparing the detergent as described above, comprising the following steps:
According to the weight portions, respectively adding the alkyl polyoxyethylene ether, the alkylphenol polyoxyethylene ether, the alkali metal hydroxide and the carboxymethyl chitosan into water, mixing and stirring to obtain the cleaning agent.
In some embodiments, the method further comprises the following operations:
adding 0.01 to 0.1 part of sodium gluconate, 0.01 to 0.1 part of sodium nitrilotriacetate and 0.1 to 0.5 part of polydimethylsiloxane, mixing and stirring to obtain the cleaning agent.
An embodiment of the present invention provides the use of a cleaning agent as described above in pipe cleaning, comprising the operations of:
The cleaning agent is applied to the liquid absorbing material, the liquid absorbing material can be a fiber textile material or a porous foaming material, the liquid absorbing material is rubbed back and forth on the outer wall of the plastic protective layer of the pipeline, so that greasy dirt and impurities on the plastic protective layer are adsorbed on the liquid absorbing material, the dropped cleaning agent is collected, the cleaning agent on the outer wall of the plastic protective layer is reserved after cleaning, no additional water washing operation is performed, and the carboxymethyl chitosan is dried to form a film.
Another embodiment of the present invention provides the use of a cleaning agent as described above in pipe cleaning, comprising the operations of:
And spraying the cleaning agent on the plastic protective layer of the pipeline in a spraying mode, enabling the cleaning agent to flow and fall to take away greasy dirt and impurities on the plastic protective layer of the pipeline, keeping the cleaning agent on the outer wall of the plastic protective layer after cleaning, and drying to enable the carboxymethyl chitosan to form a film without additional water washing operation.
It should be noted that the cleaning agent is developed for cleaning pipelines, has optimal application effect in the field of pipeline cleaning, but can also be used as a conventional cleaning agent for other application occasions, such as cleaning operations on ceramic tiles, wall surfaces and the like, and has good cleaning effect.
The invention is further illustrated by the following examples.
Example 1
This example is illustrative of the disclosed cleaning agent and method of making same, and comprises the following operations:
The cleaning agent is prepared and mixed by the following components in parts by weight:
0.5 part of laurinol polyoxyethylene ether, 1 part of nonylphenol polyoxyethylene ether, 1 part of sodium hydroxide, 0.4 part of carboxymethyl chitosan, 0.5 part of tributyl tin oxide, 0.2 part of polydimethylsiloxane and 91.9 parts of water.
Example 2
This example is illustrative of the disclosed cleaning agent and method of making same, and comprises the following operations:
The cleaning agent is prepared and mixed by the following components in parts by weight:
3 parts of laurinol polyoxyethylene ether, 0.5 part of nonylphenol polyoxyethylene ether, 0.8 part of sodium hydroxide, 3 parts of carboxymethyl chitosan, 0.2 part of tributyl tin oxide, 0.5 part of polydimethylsiloxane and 92 parts of water.
Example 3
This example is illustrative of the disclosed cleaning agent and method of making same, and comprises the following operations:
The cleaning agent is prepared and mixed by the following components in parts by weight:
1 part of laurinol polyoxyethylene ether, 2 parts of nonylphenol polyoxyethylene ether, 2 parts of sodium hydroxide, 1.5 parts of carboxymethyl chitosan, 0.4 part of tributyl tin oxide, 0.3 part of polydimethylsiloxane and 92.8 parts of water.
Example 4
This example is illustrative of the disclosed cleaning agent and method of making same, and comprises the following operations:
The cleaning agent is prepared and mixed by the following components in parts by weight:
0.5 part of laurinol polyoxyethylene ether, 1 part of nonylphenol polyoxyethylene ether, 1 part of sodium hydroxide, 0.4 part of carboxymethyl chitosan, 0.5 part of tributyl tin oxide and 91.9 parts of water.
Comparative example 1
This comparative example is used to compare and illustrate the disclosed cleaning agent and method of making the same, and includes the following operations:
The cleaning agent is prepared and mixed by the following components in parts by weight:
3 parts of laurinol polyoxyethylene ether, 0.5 part of nonylphenol polyoxyethylene ether, 0.8 part of sodium bicarbonate, 3 parts of carboxymethyl chitosan, 0.2 part of tributyl tin oxide, 0.5 part of polydimethylsiloxane and 92 parts of water.
Comparative example 2
This comparative example is used to compare and illustrate the disclosed cleaning agent and method of making the same, and includes the following operations:
The cleaning agent is prepared and mixed by the following components in parts by weight:
3 parts of laurinol polyoxyethylene ether, 0.5 part of nonylphenol polyoxyethylene ether, 0.8 part of sodium hydroxide, 0.2 part of tributyl tin oxide, 0.5 part of polydimethylsiloxane and 92 parts of water.
Comparative example 3
This comparative example is used to compare and illustrate the disclosed cleaning agent and method of making the same, and includes the following operations:
The cleaning agent is prepared and mixed by the following components in parts by weight:
3 parts of laurinol polyoxyethylene ether, 0.5 part of nonylphenol polyoxyethylene ether, 0.8 part of sodium hydroxide, 3 parts of carboxymethyl chitosan, 0.5 part of polydimethylsiloxane and 92 parts of water.
Performance testing
The prepared cleaning agent is subjected to the following performance test:
1. The cleaning agents prepared in examples 1-4 and comparative examples 1-3 are applied to the surfaces of different polyethylene plates in a spraying manner by adopting a polyethylene plate 40cm in 10cm in diameter, obliquely setting the polyethylene plate at an angle of 45 degrees with the horizontal plane to simulate the surfaces of plastic protective layers of pipelines, the cleaning agents flow downwards along the surfaces of the polyethylene plates, the spraying of the cleaning agents is stopped after lasting for 20 seconds, the polyethylene plates are kept obliquely set for air drying at room temperature for 24 hours, then the polyethylene plates are horizontally placed, aspergillus tubingensis is inoculated into aspergillus liquid culture medium for vibration dispersion, the dispersed aspergillus liquid culture medium is sprayed onto the surfaces of the polyethylene plates, and the growth states of aspergillus tubingensis are recorded after 9 days and recorded in table 1.
TABLE 1
As can be seen from the test results of table 1, by adding sodium hydroxide, carboxymethyl chitosan and tributyl tin oxide into the cleaning agent, a protective film can be effectively formed on the cleaned plastic protective layer, which has a continuous protective effect on inhibiting the growth of mold, while in comparative example 1 sodium bicarbonate is used to replace sodium hydroxide, so that carboxymethyl chitosan is difficult to adhere to the plastic protective layer, carboxymethyl chitosan flows away along with the cleaning agent, and meanwhile, the alkalinity of sodium bicarbonate is relatively low, so that the inhibition effect on mold is difficult to be achieved; however, in comparative example 2, only tributyltin oxide was added as a mildew inhibitor, which also had a certain mildew inhibition effect but was not good; similarly, only carboxymethyl chitosan is added in the comparative example 3, so that the mildew inhibition effect is achieved, but the inhibition effect still has a certain lifting space.
2. The cleaning agents prepared in examples 1-4 and comparative example 2 are applied to the surfaces of different polyethylene plates in a spraying manner by adopting a polyethylene plate 40cm 10cm in length, obliquely setting the polyethylene plate at an angle of 45 degrees with the horizontal plane to simulate the surface of a plastic protective layer of a pipeline, the cleaning agents flow downwards along the surfaces of the polyethylene plates, the spraying of the cleaning agents is stopped after lasting for 20 seconds, the polyethylene plates are kept obliquely set for air drying at room temperature for 24 hours, then the polyethylene plates are horizontally arranged, ultraviolet light is adopted for irradiating the polyethylene plates, the reflectivity of the ultraviolet light is detected, and the obtained test results are filled in table 2.
TABLE 2
| Sample of | Reflectivity of ultraviolet light |
| Example 1 | 52.5％ |
| Example 2 | 54.3％ |
| Example 3 | 55.9％ |
| Example 4 | 39.7％ |
| Comparative example 2 | 43.0％ |
From the test results in table 2, it can be seen that the brightness of the plastic protective layer can be improved to a certain extent and the reflectivity of ultraviolet light can be improved by adding polydimethylsiloxane into the cleaning agent, so that the ultraviolet aging resistance is improved and the service life is prolonged.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (8)
1. The cleaning agent is characterized by comprising the following components in parts by weight:
0.3-3 parts of alkyl polyoxyethylene ether, 0.3-4 parts of alkylphenol polyoxyethylene ether, 0.3-3 parts of alkali metal hydroxide, 0.3-5 parts of carboxymethyl chitosan, 0.1-2 parts of tributyltin oxide and 12-96 parts of water.
2. The cleaning agent of claim 1, wherein the cleaning agent comprises the following components by weight:
0.5-2 parts of alkyl polyoxyethylene ether, 0.5-3 parts of alkylphenol polyoxyethylene ether, 0.3-2 parts of alkali metal hydroxide, 0.5-3 parts of carboxymethyl chitosan, 0.3-1 part of tributyltin oxide and 12-96 parts of water.
3. The cleanser of claim 1, wherein the alkyl polyoxyethylene ether comprises one or more of nonylphenol polyoxyethylene ether, octylpolyoxyethylene ether, and laurinol polyoxyethylene ether.
4. The cleaning agent of claim 1, wherein the alkylphenol ethoxylates comprise nonylphenol ethoxylates and/or octylphenol ethoxylates.
5. The cleaning agent of claim 1, wherein the alkali metal hydroxide comprises sodium hydroxide and/or potassium hydroxide.
6. The detergent according to claim 1, wherein the pH of the detergent is 11 or more.
7. The cleaning agent of claim 1, wherein the cleaning agent comprises the following components by weight:
0.01-0.1 part of sodium gluconate and 0.01-0.1 part of sodium nitrilotriacetate.
8. The cleaning agent of claim 1, wherein the cleaning agent comprises the following components by weight:
0.1 to 0.5 part of polydimethylsiloxane.
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| AU2006251504B2 (en) * | 2005-05-22 | 2011-08-11 | U.S. Borax Inc. | Co-biocidal formulation for polymeric materials |
| CN104073373A (en) * | 2014-07-08 | 2014-10-01 | 李兆源 | Quick-acting sterilizing cleaning agent for tiles |
| CN104450301A (en) * | 2014-11-10 | 2015-03-25 | 河南恒安电力股份有限公司 | High-voltage charged moss removing detergent |
| CN107012025A (en) * | 2017-05-19 | 2017-08-04 | 张世达 | A kind of nonhazardous tableware kitchen tools multipurpose cleaning powder |
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