CN115486445A - Cleaning disinfectant and preparation method thereof - Google Patents
Cleaning disinfectant and preparation method thereof Download PDFInfo
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- CN115486445A CN115486445A CN202111288500.6A CN202111288500A CN115486445A CN 115486445 A CN115486445 A CN 115486445A CN 202111288500 A CN202111288500 A CN 202111288500A CN 115486445 A CN115486445 A CN 115486445A
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- 239000000645 desinfectant Substances 0.000 title claims abstract description 60
- 238000004140 cleaning Methods 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title abstract description 15
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 97
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 60
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 claims abstract description 57
- 229960000583 acetic acid Drugs 0.000 claims abstract description 39
- 239000004088 foaming agent Substances 0.000 claims abstract description 30
- 239000003381 stabilizer Substances 0.000 claims abstract description 30
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 24
- 239000011707 mineral Substances 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000012362 glacial acetic acid Substances 0.000 claims abstract description 20
- 230000000249 desinfective effect Effects 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 26
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 25
- 238000002156 mixing Methods 0.000 claims description 21
- 229960000892 attapulgite Drugs 0.000 claims description 17
- 229910052625 palygorskite Inorganic materials 0.000 claims description 17
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 13
- 239000007864 aqueous solution Substances 0.000 claims description 11
- 239000000243 solution Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 8
- 239000011259 mixed solution Substances 0.000 claims description 6
- 125000002877 alkyl aryl group Chemical group 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- 150000008052 alkyl sulfonates Chemical class 0.000 claims description 2
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims description 2
- 125000005228 aryl sulfonate group Chemical group 0.000 claims description 2
- 150000007942 carboxylates Chemical class 0.000 claims description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 2
- 229910052816 inorganic phosphate Inorganic materials 0.000 claims description 2
- 239000005909 Kieselgur Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 16
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 14
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 239000006260 foam Substances 0.000 description 18
- 239000002253 acid Substances 0.000 description 14
- 229940010698 activated attapulgite Drugs 0.000 description 11
- FDENMIUNZYEPDD-UHFFFAOYSA-L disodium [2-[4-(10-methylundecyl)-2-sulfonatooxyphenoxy]phenyl] sulfate Chemical compound [Na+].[Na+].CC(C)CCCCCCCCCc1ccc(Oc2ccccc2OS([O-])(=O)=O)c(OS([O-])(=O)=O)c1 FDENMIUNZYEPDD-UHFFFAOYSA-L 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 244000005700 microbiome Species 0.000 description 5
- -1 polyoxyethylene Polymers 0.000 description 5
- 239000002023 wood Substances 0.000 description 5
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 4
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 4
- 125000004817 pentamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- BAERPNBPLZWCES-UHFFFAOYSA-N (2-hydroxy-1-phosphonoethyl)phosphonic acid Chemical compound OCC(P(O)(O)=O)P(O)(O)=O BAERPNBPLZWCES-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- VPTUPAVOBUEXMZ-UHFFFAOYSA-N (1-hydroxy-2-phosphonoethyl)phosphonic acid Chemical compound OP(=O)(O)C(O)CP(O)(O)=O VPTUPAVOBUEXMZ-UHFFFAOYSA-N 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 2
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical compound [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- QECQLMGRLZYSEW-UHFFFAOYSA-N decoxybenzene Chemical compound CCCCCCCCCCOC1=CC=CC=C1 QECQLMGRLZYSEW-UHFFFAOYSA-N 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 230000008034 disappearance Effects 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 229910021655 trace metal ion Inorganic materials 0.000 description 2
- 230000002087 whitening effect Effects 0.000 description 2
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 1
- GKAYYGHHJZOOAJ-UHFFFAOYSA-N C(CCCCCCCCCCC)OS(=O)(=O)C1(C(C=CC=C1)C)C.[Na] Chemical compound C(CCCCCCCCCCC)OS(=O)(=O)C1(C(C=CC=C1)C)C.[Na] GKAYYGHHJZOOAJ-UHFFFAOYSA-N 0.000 description 1
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 241000519995 Stachys sylvatica Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 125000004036 acetal group Chemical group 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 229940077388 benzenesulfonate Drugs 0.000 description 1
- SRSXLGNVWSONIS-UHFFFAOYSA-M benzenesulfonate Chemical compound [O-]S(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-M 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- XTOQOJJNGPEPMM-UHFFFAOYSA-N o-(2-oxo-1,3,2$l^{5}-dioxaphosphinan-2-yl)hydroxylamine Chemical compound NOP1(=O)OCCCO1 XTOQOJJNGPEPMM-UHFFFAOYSA-N 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000012629 purifying agent Substances 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 229960001124 trientine Drugs 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/24—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing ingredients to enhance the sticking of the active ingredients
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/16—Foams
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/16—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group; Thio analogues thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Agronomy & Crop Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Toxicology (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Detergent Compositions (AREA)
Abstract
The invention relates to A01N, in particular to a cleaning disinfectant and a preparation method thereof. The preparation raw materials of the cleaning disinfectant comprise the following components in percentage by weight: 40 to 50 weight percent of hydrogen peroxide, 30 to 40 weight percent of glacial acetic acid, 0.3 to 3 weight percent of stabilizer, 0.3 to 5 weight percent of foaming agent, 1 to 3 weight percent of water-soluble mineral and the balance of water. The inventor finds that the disinfectant with higher peroxyacetic acid content can be obtained by adopting hydrogen peroxide and glacial acetic acid as main components for reaction, the disinfectant with longer service life can be obtained by the action of a stabilizing agent and water-soluble minerals in a higher acetic acid environment, a foaming agent can be used for further improving the cleaning performance to obtain a foam-type disinfectant, the addition of the foaming agent is also beneficial to further improving the service life, particularly the disinfection and cleaning performance of smooth materials is obviously improved, and the obtained disinfectant can be used for disinfecting the surfaces of various materials without damage.
Description
Technical Field
The invention relates to A01N, in particular to a cleaning disinfectant and a preparation method thereof.
Background
The main components of the disinfectant used as a common method for killing microorganisms are sodium hypochlorite, chlorine dioxide, peracetic acid and the like, wherein the amount of peracetic acid used as a cleaning disinfectant is gradually increased, but when the peracetic acid disinfectant is used, the disinfection effect cannot be fully exerted when the peracetic acid disinfectant is used for a smooth plane or a material with slits.
For example, CN111165478A discloses a foam type sterilization and air purifying agent, which is mainly prepared from 0.10-0.40% of peroxyacetic acid and 0.15-0.60% of hydrogen peroxide, and has long sterilization and disinfection action time.
However, the currently used disinfection solution has a low amount of peroxyacetic acid for improving the service life, and when preparing a foam disinfection solution, the higher peroxyacetic acid and acetic acid environment is not favorable for the stability of foam, and in addition, when the disinfection solution is used for fiber materials such as paper, cloth or wood, the material can be damaged.
Disclosure of Invention
In order to solve the above problems, a first aspect of the present invention provides a cleaning and disinfecting solution, which is prepared from the following raw materials by weight: 40 to 50 weight percent of hydrogen peroxide, 30 to 40 weight percent of glacial acetic acid, 0.3 to 3 weight percent of stabilizer, 0.3 to 5 weight percent of foaming agent, 1 to 3 weight percent of water-soluble mineral and the balance of water.
The hydrogen peroxide solution is hydrogen peroxide aqueous solution, wherein the mass concentration of the hydrogen peroxide in the hydrogen peroxide solution is 40-60 wt%, the main component of the glacial acetic acid is acetic acid, and the mass concentration of the acetic acid in the glacial acetic acid is more than 99.5%.
In one embodiment, the cleaning and disinfecting solution comprises the following components in percentage by weight: 15 to 17 weight percent of hydrogen peroxide, 18 to 19.9 weight percent of peroxyacetic acid, 15 to 18 weight percent of acetic acid, 0.3 to 3 weight percent of stabilizing agent, 0.3 to 5 weight percent of foaming agent, 1 to 3 weight percent of water-soluble mineral and the balance of water.
The inventor finds that hydrogen peroxide and acetic acid can be obtained by using high-content hydrogen peroxide and glacial acetic acid for reaction, a system in equilibrium with the peroxyacetic acid can be obtained, and when the reaction is in equilibrium, a high-content disinfectant with the peroxyacetic acid content of 18-19.9 wt% can be obtained, but the disinfectant has shorter service life due to the decomposition problem of the peroxyacetic acid and cannot meet the requirement of long-term storage use, and the invention is used for stabilizing the peroxyacetic acid by adding stability to improve the service life. In one embodiment, the stabilizer is selected from one or more of an organic phosphoric acid, an inorganic phosphate, an organic carboxylic acid.
In addition, in the using process of the disinfectant, for some uneven surfaces, the peroxyacetic acid system is difficult to be completely contacted with microorganisms to exert the disinfection effect, and the inventor finds that through adding a foaming agent, such as an anionic foaming agent, when the disinfectant is diluted and sprayed for use, foam can be generated, the wetting of the disinfectant on the uneven surfaces and the improvement of the disinfection effect of the microorganisms are promoted, and a high disinfection effect can be obtained at a lower concentration. In one embodiment, the blowing agent comprises at least one of a sulfonate, a sulfate, a carboxylate. Preferably a sulfonate.
And the inventor finds that the stabilizing agent is used alone, so that the content of the peroxyacetic acid is difficult to maintain, especially in the case that the content of acetic acid relative to the peroxyacetic acid is low after the reaction is balanced, the invention also promotes the adsorption of trace metal ions by adding water-soluble minerals, such as attapulgite, wherein the interlamellar macroanion structures of the water-soluble minerals promote the reaction of the peroxyacetic acid catalyzed by free metal ions during the volume expansion and water absorption processes of water, and promotes the stability of the disinfectant, and in one embodiment, the water-soluble minerals are selected from at least one of magnesium aluminum silicate, attapulgite and diatomite. Preferably attapulgite.
In order to remove the influence of impurities in the attapulgite on the reaction, the attapulgite is acid-activated attapulgite, wherein the acid activation method is a method well known in the art, and for example, the acid-activated attapulgite is obtained by putting the attapulgite into 1-3 mol/L hydrochloric acid aqueous solution, stirring for 20-30 min, washing and drying.
The inventor finds that a large amount of water is required for dilution during use, which also influences the performance exertion of the foam and the stability of the foam, and the inventor finds that when an alkyl aryl disulfonate foaming agent is selected and attapulgite is used, the disulfonate structure can well adsorb the positive charges at the edge of the attapulgite in the formed foam, thereby promoting the viscoelasticity improvement of the foam film and further promoting the stability of the foam. In one embodiment, the sulfonate is selected from one or more of aryl sulfonate, alkyl sulfonate, and alkylaryl disulfonate, such as benzene sulfonate, sodium dodecylxylene sulfonate, sodium didodecyl diphenyl ether disulfonate, disodium lauryl phenyl ether disulfonate, disodium decyl phenyl ether disulfonate, sodium tetrapropenyl diphenyl ether disulfonate, preferably alkyl disulfonate, such as disodium lauryl phenyl ether disulfonate, disodium decyl phenyl ether disulfonate.
And when polyethylene oxide and sulfonate are added as foaming agents, the inventor finds that the service life of the disinfectant is prolonged while foaming and foam stability are promoted, mainly because in a high-molecular environment, attapulgite with negative charge property is difficult to adsorb with the edge of attapulgite with positive charge property through charge in the process that the attapulgite expands under the action of water and acetic acid to form a card house structure, and when polyethylene oxide is added, the high-molecular environment can be improved by utilizing the interaction of ether bond of the polyethylene oxide and OH in water, acetic acid and peracetic acid, the polyethylene oxide with relative positive charge is formed, the attapulgite sheets are subjected to charge adsorption, and a card house-like structure is formed by utilizing proper molecular weight of the polyethylene oxide to promote the service life. In one embodiment, the blowing agent further comprises polyethylene oxide.
In one embodiment, the weight ratio of polyethylene oxide to sulfonate is 1: (2-3).
The inventor finds that because acetic acid, peracetic acid and other components in the disinfecting liquid are used for wooden materials, the wooden materials are damaged, especially by wiping and other methods, and the inventor finds that when polyethylene oxide with proper viscosity is added, in the process of diluting the disinfecting liquid to wipe the wooden materials, as the peracetic acid, acetic acid and other components slide along with attapulgite, hydroxyl, alkyl and acetal groups on the surface of the wooden materials, disulfonate and polyethylene oxide act, so that contact area between the peracetic acid and microorganisms is increased while the acetic acid and the peracetic acid are prevented from contacting the surface of the materials, thereby promoting sterilization and disinfection, reducing damage to the wooden materials, and the viscosity of the polyethylene oxide cannot be too high, otherwise, the service life is adversely affected. In one embodiment, the polyethylene oxide has a dynamic viscosity at 25 ℃ in a 1 wt.% aqueous solution of 80 to 600 mPas, preferably 500 to 2000 mPas, more preferably 1000 to 1500 mPas. As examples of the polyethylene oxide, there can be mentioned polyethylene oxides having dynamic viscosities of 80 to 120 mPas, 320 to 450 mPas, 1000 to 1500 mPas and 3000 to 4000 mPas in a 1wt% aqueous solution at 25 ℃.
In addition, the inventor finds that when a proper stabilizing agent is selected, such as organic phosphoric acid, the stabilizing agent can promote the coordination of trace metal ions in the disinfectant, improve the storage stability of peroxyacetic acid, simultaneously is beneficial to the action with polyethylene oxide, improve the density of a foam film, reduce gas penetration into foam and promote the improvement of the foam stability. In one embodiment, the stabilizer comprises an organic phosphoric acid, such as aminotrimethylene phosphoric acid, hydroxyethylene diphosphonic acid, triethylene tetramine hexamethylene phosphoric acid, diethylene triamine pentamethylene phosphoric acid, preferably an organic phosphoric acid having a phosphoric acid number of 5 or more and an organic phosphoric acid having a phosphoric acid number of 2 to 4, in a weight ratio of (1 to 2): (1-2).
The second aspect of the present invention provides a method for preparing the cleaning and disinfecting solution, including: mixing hydrogen peroxide and water-soluble minerals, adding glacial acetic acid, mixing, adding a mixed solution of a stabilizer, a foaming agent and water, and mixing to obtain the disinfectant.
Compared with the prior art, the invention has the following beneficial effects: the inventor finds that the disinfectant with higher peroxyacetic acid content can be obtained by adopting hydrogen peroxide and glacial acetic acid as main components for reaction, the disinfectant with longer service life can be obtained by the action of a stabilizing agent and water-soluble minerals in a higher acetic acid environment, a foaming agent can be used for further improving the cleaning performance to obtain a foam-type disinfectant, the addition of the foaming agent is also beneficial to further improving the service life, particularly the disinfection and cleaning performance of smooth materials is obviously improved, and the obtained disinfectant can be used for disinfecting the surfaces of various materials without damage.
Detailed Description
Examples
Example 1
The embodiment provides a cleaning disinfectant, which comprises the following raw materials in percentage by weight: 50wt% of hydrogen peroxide (the mass concentration of hydrogen peroxide is 50 wt%), 38wt% of glacial acetic acid (the mass concentration of acetic acid is 99.8%), 1.5wt% of stabilizing agent, 4wt% of foaming agent, 2wt% of water-soluble mineral and the balance of water, wherein the foaming agent comprises polyoxyethylene and disodium lauryl phenyl ether disulfonate, and the weight ratio is 1:2.3, the water-soluble mineral is acid-activated attapulgite, and the stabilizer comprises diethylenetriamine pentamethylene phosphoric acid and hydroxy ethylidene diphosphonic acid in a weight ratio of 1:1.
the preparation method of the acid-activated attapulgite comprises the following steps: and putting the attapulgite into 3mol/L hydrochloric acid aqueous solution, stirring for 25min, washing and drying to obtain the acid-activated attapulgite.
The polyethylene oxide purchased from Bike New Material science and technology (Shanghai) Co., ltd. (dynamic viscosity in 1wt% aqueous solution at 25 ℃ is 1000 to 1500 mPas, respectively).
The embodiment also provides a preparation method of the cleaning disinfectant, which comprises the following steps: mixing hydrogen peroxide and water-soluble minerals, adding glacial acetic acid, mixing, adding a mixed solution of a stabilizer, a foaming agent and water, and mixing to obtain the disinfectant.
Example 2
The embodiment provides a cleaning disinfectant, and the preparation raw materials of the cleaning disinfectant comprise, by weight: 50wt% of hydrogen peroxide (the mass concentration of hydrogen peroxide is 50 wt%), 38wt% of glacial acetic acid (the mass concentration of acetic acid is 99.8%), 1.5wt% of stabilizing agent, 4wt% of foaming agent, 2wt% of water-soluble mineral and the balance of water, wherein the foaming agent comprises polyoxyethylene and disodium lauryl phenyl ether disulfonate, and the weight ratio of the polyoxyethylene to the disodium lauryl phenyl ether disulfonate is 1:2.3, the water-soluble mineral is acid-activated attapulgite, and the stabilizer comprises diethylenetriaminepentamethylenephosphoric acid and hydroxyethylidene diphosphonic acid in a weight ratio of 1:1.
the preparation method of the acid-activated attapulgite comprises the following steps: and putting the attapulgite into 3mol/L hydrochloric acid aqueous solution, stirring for 25min, washing and drying to obtain the acid-activated attapulgite.
The polyethylene oxide purchased from Bike New Material science and technology (Shanghai) Co., ltd. (dynamic viscosity in 1wt% aqueous solution at 25 ℃ is 3000-4000 mPa. Multidot.s).
The embodiment also provides a preparation method of the cleaning disinfectant, which comprises the following steps: mixing hydrogen peroxide and water-soluble minerals, adding glacial acetic acid, mixing, adding a mixed solution of a stabilizer, a foaming agent and water, and mixing to obtain the disinfectant.
Example 3
The embodiment provides a cleaning disinfectant, and the preparation raw materials of the cleaning disinfectant comprise, by weight: 50wt% of hydrogen peroxide (the mass concentration of hydrogen peroxide is 50 wt%), 38wt% of glacial acetic acid (the mass concentration of acetic acid is 99.8%), 1.5wt% of stabilizing agent, 4wt% of foaming agent, 2wt% of water-soluble mineral and the balance of water, wherein the foaming agent comprises disodium lauryl phenyl ether disulfonate, and the weight ratio of the disodium lauryl phenyl ether disulfonate to the water is 1:2.3, the water-soluble mineral is acid-activated attapulgite, and the stabilizer comprises diethylenetriaminepentamethylenephosphoric acid and hydroxyethylidene diphosphonic acid in a weight ratio of 1:1.
the preparation method of the acid-activated attapulgite comprises the following steps: and (3) putting the attapulgite into 3mol/L hydrochloric acid aqueous solution, stirring for 25min, washing and drying to obtain the acid activated attapulgite.
The embodiment also provides a preparation method of the cleaning disinfectant, which comprises the following steps: mixing hydrogen peroxide and water-soluble minerals, adding glacial acetic acid, mixing, adding a mixed solution of a stabilizer, a foaming agent and water, and mixing to obtain the disinfectant.
Example 4
The embodiment provides a cleaning disinfectant, which comprises the following raw materials in percentage by weight: 50wt% of hydrogen peroxide (the mass concentration of hydrogen peroxide is 50 wt%), 38wt% of glacial acetic acid (the mass concentration of acetic acid is 99.8%), 1.5wt% of stabilizing agent, 4wt% of foaming agent and the balance of water, wherein the foaming agent comprises polyoxyethylene and disodium lauryl phenyl ether disulfonate, and the weight ratio of the polyoxyethylene to the disodium lauryl phenyl ether disulfonate is 1:2.3, the stabilizer comprises diethylenetriamine pentamethylene phosphoric acid and hydroxy ethylene diphosphonic acid, and the weight ratio is 1:1.
the polyethylene oxide is purchased from Bike New materials science and technology (Shanghai) Co., ltd (dynamic viscosity in 1wt% aqueous solution at 25 ℃ is 1000 to 1500 mPas, respectively).
The embodiment also provides a preparation method of the cleaning disinfectant, which comprises the following steps: mixing hydrogen peroxide and water-soluble minerals, adding glacial acetic acid, mixing, adding a mixed solution of a stabilizer, a foaming agent and water, and mixing to obtain the disinfectant.
Comparative example 1
The embodiment provides a cleaning disinfectant, which comprises the following raw materials in percentage by weight: 50wt% of hydrogen peroxide (the mass concentration of hydrogen peroxide is 50 wt%), 38wt% of glacial acetic acid (the mass concentration of acetic acid is 99.8%), and 1.5wt% of a stabilizer, wherein the stabilizer comprises diethylenetriamine pentamethylene phosphoric acid.
The embodiment also provides a preparation method of the cleaning disinfectant, which comprises the following steps: mixing hydrogen peroxide and water-soluble minerals, adding glacial acetic acid, mixing, adding a stabilizer, and mixing to obtain the disinfectant.
Evaluation of Properties
1. Service life: the cleaning disinfectant liquids provided in examples and comparative examples were left at 54 ℃ for 14 days, and the peracetic acid decrease rate = (peracetic acid content before left-peracetic acid content after left) = 100% was calculated, and the results are shown in table 1. The service life of the cleaning and disinfecting liquid provided by the embodiment can be found to be 1 year or more.
2. Foam performance: the cleaning disinfectant provided in examples and comparative examples was diluted 200 times with water, sprayed onto the surface of the wooden material, and the disappearance time of the foam (the time when more than 50% of the foam disappeared was taken as the disappearance time) was observed, and the results are shown in table 1.
3. Wood wipe stability: the cleaning disinfectant provided in the examples and comparative examples was diluted 200 times, soaked in the nonwoven fabric, wiped on the surface of wood for 10min, and the degree of discoloration of the surface of wood was observed, and the results are shown in table 2.
TABLE 1
| Service life | Foam performance | Stability of wood wiping | |
| Example 1 | 6.53％ | 14min | No color change |
| Example 2 | 9.83％ | - | Light color without white spots |
| Example 3 | 8.54％ | 10min | Local point whitening |
| Example 4 | 10.46％ | 9min | - |
| Comparative example 1 | 14.08％ | - | Obvious whitening |
4. The disinfection performance is as follows: the following tests were carried out on the cleaning disinfectant provided in example 1 in accordance with the national standard for food safety GB 14930.2 disinfectant, disinfectant Specification 2002, GB 26371 peroxide disinfectant, and the results are shown in Table 2, wherein ppm in Table 2 represents the ratio of the weight of peracetic acid diluted with water to the total weight of the disinfectant.
TABLE 2
The test result shows that the cleaning disinfectant provided by the invention has high disinfection effect, and the foaming agent is added to prepare the foam type disinfectant, so that the killing and cleaning effects on microorganisms are further promoted.
Claims (10)
1. The cleaning disinfectant is characterized by comprising the following raw materials in percentage by weight: 40 to 50 weight percent of hydrogen peroxide, 30 to 40 weight percent of glacial acetic acid, 0.3 to 3 weight percent of stabilizer, 0.3 to 5 weight percent of foaming agent, 1 to 3 weight percent of water-soluble mineral and the balance of water.
2. The cleaning and disinfecting solution of claim 1, wherein the cleaning and disinfecting solution comprises the following components in percentage by weight: 15 to 17 weight percent of hydrogen peroxide, 18 to 19.9 weight percent of peroxyacetic acid, 15 to 18 weight percent of acetic acid, 0.3 to 3 weight percent of stabilizing agent, 0.3 to 5 weight percent of foaming agent, 1 to 3 weight percent of water-soluble mineral and the balance of water.
3. The cleaning disinfectant as set forth in claim 1, wherein said water-soluble mineral is at least one selected from the group consisting of magnesium aluminum silicate, attapulgite, and diatomaceous earth.
4. The cleaning disinfectant as set forth in claim 3, wherein said foaming agent comprises at least one of sulfonate, sulfate and carboxylate.
5. The cleaning disinfectant as set forth in claim 4, wherein said sulfonate is selected from the group consisting of aryl sulfonate, alkyl sulfonate, and alkylaryl disulfonate.
6. The cleaning and disinfecting solution of claim 5, wherein the foaming agent further comprises polyethylene oxide.
7. The cleaning and disinfecting solution of claim 6, wherein the weight ratio of the polyethylene oxide to the sulfonate is 1: (2-3).
8. The cleaning and disinfecting solution of claim 6, wherein the polyethylene oxide has a kinematic viscosity of 80 to 600 mPas at 25 ℃ in a 1wt% aqueous solution.
9. The cleaning disinfectant as claimed in any one of claims 1 to 8, wherein said stabilizer is selected from one or more of organic phosphoric acid, inorganic phosphate, and organic carboxylic acid.
10. The method for preparing a cleaning disinfectant according to any one of claims 1 to 9, comprising: mixing hydrogen peroxide and water-soluble minerals, adding glacial acetic acid, mixing, adding a mixed solution of a stabilizer, a foaming agent and water, and mixing to obtain the disinfectant.
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