CN115486445B - Cleaning disinfectant and preparation method thereof - Google Patents
Cleaning disinfectant and preparation method thereof Download PDFInfo
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- CN115486445B CN115486445B CN202111288500.6A CN202111288500A CN115486445B CN 115486445 B CN115486445 B CN 115486445B CN 202111288500 A CN202111288500 A CN 202111288500A CN 115486445 B CN115486445 B CN 115486445B
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- disinfectant
- water
- acid
- acetic acid
- foaming agent
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- 239000000645 desinfectant Substances 0.000 title claims abstract description 61
- 238000004140 cleaning Methods 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 100
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 64
- 229960000583 acetic acid Drugs 0.000 claims abstract description 40
- 239000004088 foaming agent Substances 0.000 claims abstract description 29
- 239000003381 stabilizer Substances 0.000 claims abstract description 29
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 22
- 239000011707 mineral Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000012362 glacial acetic acid Substances 0.000 claims abstract description 20
- 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 23
- 238000002156 mixing Methods 0.000 claims description 21
- 239000002253 acid Substances 0.000 claims description 17
- 229960000892 attapulgite Drugs 0.000 claims description 17
- 229910052625 palygorskite Inorganic materials 0.000 claims description 17
- 229940010698 activated attapulgite Drugs 0.000 claims description 14
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 13
- 239000007864 aqueous solution Substances 0.000 claims description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 10
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 7
- 239000011259 mixed solution Substances 0.000 claims description 6
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 claims description 6
- 125000004817 pentamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 claims description 6
- MIULRUDFYYKSJQ-UHFFFAOYSA-N (4-hydroxy-2-oxo-1,3,2lambda5-dioxaphospholan-2-yl) dihydrogen phosphate Chemical compound C1C(OP(=O)(O1)OP(=O)(O)O)O MIULRUDFYYKSJQ-UHFFFAOYSA-N 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- FYWVHNZPECVJNU-UHFFFAOYSA-N dodecoxybenzene;sodium Chemical compound [Na].[Na].CCCCCCCCCCCCOC1=CC=CC=C1 FYWVHNZPECVJNU-UHFFFAOYSA-N 0.000 claims 1
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 abstract description 51
- 239000006260 foam Substances 0.000 abstract description 19
- 239000000463 material Substances 0.000 abstract description 17
- 230000000249 desinfective effect Effects 0.000 abstract description 11
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 9
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 3
- 239000002023 wood Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 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 6
- 230000001954 sterilising effect Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 244000005700 microbiome Species 0.000 description 5
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 4
- 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 3
- 230000006872 improvement Effects 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical compound [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 125000002877 alkyl aryl group Chemical group 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
- 238000005187 foaming Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910021655 trace metal ion Inorganic materials 0.000 description 2
- 230000002087 whitening effect Effects 0.000 description 2
- 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 1
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 1
- 239000004604 Blowing Agent Substances 0.000 description 1
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- ZZXDRXVIRVJQBT-UHFFFAOYSA-M Xylenesulfonate Chemical compound CC1=CC=CC(S([O-])(=O)=O)=C1C ZZXDRXVIRVJQBT-UHFFFAOYSA-M 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
- 150000008052 alkyl sulfonates Chemical class 0.000 description 1
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 150000001450 anions Chemical group 0.000 description 1
- 125000005228 aryl sulfonate 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
- 150000007942 carboxylates Chemical class 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 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
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 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
- 239000002657 fibrous material Substances 0.000 description 1
- -1 for example Chemical compound 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052816 inorganic phosphate Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000011229 interlayer Substances 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
- 230000001737 promoting effect Effects 0.000 description 1
- 239000012629 purifying agent Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 150000008054 sulfonate salts Chemical class 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 229940071104 xylenesulfonate Drugs 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 and disinfecting liquid and a preparation method thereof. The cleaning disinfectant is prepared from 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. By adopting hydrogen peroxide and glacial acetic acid as main components of the disinfectant disclosed by the invention for reaction, the inventor finds that the disinfectant with higher peracetic acid content can be obtained, and the disinfectant with higher service life can be obtained by the action of a stabilizer and water-soluble minerals in a higher acetic acid environment, and in order to further improve the cleaning performance, a foaming agent can be used for obtaining the foam disinfectant, and the addition of the foaming agent is also beneficial to further improve the service life, especially the disinfection and cleaning performance of a smooth material are obviously improved, and the obtained disinfectant can be used for disinfecting the surfaces of various materials without causing damage.
Description
Technical Field
The invention relates to A01N, in particular to a cleaning and disinfecting liquid and a preparation method thereof.
Background
The disinfectant is used as a common method for killing microorganisms, and the main components of the disinfectant comprise sodium hypochlorite, chlorine dioxide, peracetic acid and the like, wherein the use amount of the peracetic acid is gradually increased as a cleaning disinfectant, but when the peracetic acid disinfectant is used, the disinfectant cannot fully play the disinfection effect when the peracetic acid disinfectant is used for smooth planes or materials with slits.
The foam-type sterilizing liquid is prepared by adding foaming components into the sterilizing liquid, and is beneficial to sterilizing smooth surfaces and improving cleaning effect, and as disclosed in CN111165478A, the foam-type sterilizing and air purifying agent is mainly prepared from 0.10-0.40% of peracetic acid and 0.15-0.60% of hydrogen peroxide, and has a long sterilizing and disinfecting effect.
However, in order to improve the service life of the currently used disinfectant, the consumption of the peracetic acid is low, and when the foam disinfectant is prepared, the high peracetic acid and acetic acid environments are not beneficial to the stability of the foam, and in addition, when the disinfectant is used for fiber materials such as paper, cloth or wood, the materials can be damaged.
Disclosure of Invention
In order to solve the above problems, the first aspect of the present invention provides a cleaning and disinfecting solution, which is prepared from 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.
The hydrogen peroxide is an aqueous solution of hydrogen peroxide, wherein the mass concentration of the hydrogen peroxide in the hydrogen peroxide 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 liquid 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 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 inventor can obtain hydrogen peroxide and acetic acid by using high-content hydrogen peroxide and glacial acetic acid to react, and the hydrogen peroxide and acetic acid and a peroxyacetic acid balance system, when the reaction is balanced, a disinfectant with higher content and peroxyacetic acid content of 18-19.9 wt% can be obtained, but the service life of the disinfectant is shorter because of the problem of decomposition of peroxyacetic acid, and the disinfectant cannot meet the requirement of long-term storage and use. In one embodiment, the stabilizer is selected from one or more of organic phosphoric acid, inorganic phosphate, organic carboxylic acid.
And in the use process of the disinfectant, the peroxyacetic acid system is difficult to be completely contacted with microorganisms to exert the disinfection effect on some uneven surfaces, and the inventor finds that by adding a foaming agent such as an anionic foaming agent, when the disinfectant is diluted and sprayed out for use, foam can be generated, the wetting of the uneven surfaces by the disinfectant and the improvement of the microorganism disinfection effect are promoted, and the high disinfection effect can be obtained at lower concentration. In one embodiment, the foaming agent comprises at least one of a sulfonate, sulfate, carboxylate. Sulfonate salts are preferred.
And the inventors found that the stability of the peroxyacetic acid content is difficult to maintain by using the stabilizer alone, especially in the case that the acetic acid content is relatively small after the reaction is balanced, the present invention promotes the absorption of trace metal ions by the inter-layer large anion structure during the volume expansion and water absorption process of water by adding water-soluble minerals such as attapulgite, and the stability of the disinfectant is promoted by reducing the free metal ions to catalyze the peroxyacetic acid reaction, and in one embodiment, the water-soluble minerals are at least one selected from the group consisting 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, such as placing the attapulgite into a hydrochloric acid aqueous solution with the concentration of 1-3 mol/L, stirring for 20-30 min, washing and drying to obtain the acid-activated attapulgite.
The inventors found that a large amount of dilution with water was required during use, which also affected the performance of the foam and the stability of the foam, and found that when an alkylaryl disulfonate foaming agent was selected and attapulgite was used, the disulfonate structure could well adsorb with the positive charge of the attapulgite edge in the formed foam, promoting the improvement of the viscoelasticity of the foam film and thus the stability of the foam. In one embodiment, the sulfonate is selected from one or more of arylsulfonate, alkylsulfonate, alkylaryl disulfonate, and exemplified by benzenesulfonate, sodium dodecyl xylenesulfonate, sodium didodecyl diphenyl ether disulfonate, disodium lauryl phenyl ether disulfonate, disodium decylphenyl 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 foaming and foam stability are promoted, and the service life of the disinfectant is prolonged, mainly because in a high proton environment, the attapulgite is difficult to adsorb with the edge of the attapulgite with positive charge property through charges in the expansion process of water and acetic acid, and a card house structure is formed, and when polyethylene oxide is added, the interaction of ether bonds of the polyethylene oxide and OH in water, acetic acid and peracetic acid is utilized, the high proton environment can be improved, the relatively positive charge polyethylene oxide is formed, the charge adsorption is generated between the polyethylene oxide and the attapulgite, and the structure similar to the card house is formed by utilizing the proper molecular weight of the polyethylene oxide and the attapulgite, so that the service life is prolonged. 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 of the components such as acetic acid and peracetic acid in the disinfectant, when the disinfectant is used for wood materials, the situation of damaging the wood materials exists, especially when the disinfectant is used for wiping the wood materials by a wiping method, the inventor finds that when polyethylene oxide with proper viscosity is added, hydroxyl groups, alkyl groups and acetal groups on the surface of the wood materials, disulfonate and polyethylene oxide act along with the components such as peracetic acid, acetic acid and the like sliding along with attapulgite in the process of diluting the disinfectant to wipe the wood materials, the contact of acetic acid and peracetic acid on the surface of the wood materials is prevented, the contact area of peracetic acid and microorganisms is increased, the damage to the wood materials is reduced while the sterilization and disinfection is promoted, 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 in a 1wt% aqueous solution at 25℃of 80 to 600 mPas, preferably 500 to 2000 mPas, more preferably 1000 to 1500 mPas. Examples of the polyethylene oxide include polyethylene oxides having dynamic viscosities of 80 to 120 mPas, 320 to 450 mPas, 1000 to 1500 mPas and 3000 to 4000 mPas, respectively, in a 1wt% aqueous solution at 25℃by Hokka New technology (Shanghai).
In addition, the inventors found that when a suitable stabilizer such as organic phosphoric acid is selected, the stabilizer promotes the coordination of trace metal ions in the disinfectant, improves the storage stability of peracetic acid, and simultaneously facilitates the action of polyethylene oxide, improves the density of a foam film, reduces the penetration of gas into the foam, and promotes the improvement of the foam stability. In one embodiment, the stabilizer includes an organic phosphoric acid, for example, aminotrimethylene phosphoric acid, hydroxyethylene diphosphate, triethylenetetramine hexamethylenephosphoric acid, diethylenetriamine pentamethylenephosphoric 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 invention 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 mixed solution of stabilizer, foaming agent and water, and mixing to obtain the disinfectant.
Compared with the prior art, the invention has the following beneficial effects: by adopting hydrogen peroxide and glacial acetic acid as main components of the disinfectant disclosed by the invention for reaction, the inventor finds that the disinfectant with higher peracetic acid content can be obtained, and the disinfectant with higher service life can be obtained by the action of a stabilizer and water-soluble minerals in a higher acetic acid environment, and in order to further improve the cleaning performance, a foaming agent can be used for obtaining the foam disinfectant, and the addition of the foaming agent is also beneficial to further improve the service life, especially the disinfection and cleaning performance of a smooth material are obviously improved, and the obtained disinfectant can be used for disinfecting the surfaces of various materials without causing damage.
Detailed Description
Examples
Example 1
The example provides a cleaning disinfectant, which comprises the following preparation 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 stabilizer, 4wt% of foaming agent, 2wt% of water-soluble mineral and the balance of water, wherein the foaming agent comprises polyethylene oxide and disodium laurylphenyl ether disulfonate, and the weight ratio is 1:2.3, wherein the water-soluble mineral is acid-activated attapulgite, and the stabilizer comprises diethylenetriamine pentamethylene phosphoric acid and hydroxyethylene diphosphate, and the weight ratio is 1:1.
the preparation method of the acid-activated attapulgite comprises the following steps: and (3) placing the attapulgite into a hydrochloric acid aqueous solution with the concentration of 3mol/L, stirring for 25min, washing and drying to obtain the acid activated attapulgite.
The polyethylene oxide is purchased from Bike New Material technologies (Shanghai) Inc. (dynamic viscosity in 1wt% aqueous solution at 25 ℃ C. Is 1000-1500 mPas, respectively).
The example 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 mixed solution of stabilizer, foaming agent and water, and mixing to obtain the disinfectant.
Example 2
The example provides a cleaning disinfectant, which comprises the following preparation 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 stabilizer, 4wt% of foaming agent, 2wt% of water-soluble mineral and the balance of water, wherein the foaming agent comprises polyethylene oxide and disodium laurylphenyl ether disulfonate, and the weight ratio is 1:2.3, wherein the water-soluble mineral is acid-activated attapulgite, and the stabilizer comprises diethylenetriamine pentamethylene phosphoric acid and hydroxyethylene diphosphate, and the weight ratio is 1:1.
the preparation method of the acid-activated attapulgite comprises the following steps: and (3) placing the attapulgite into a hydrochloric acid aqueous solution with the concentration of 3mol/L, stirring for 25min, washing and drying to obtain the acid activated attapulgite.
The polyethylene oxide is purchased from Bike New Material technologies (Shanghai) Inc. (dynamic viscosity in 1wt% aqueous solution at 25 ℃ C. Is 3000-4000 mPas respectively).
The example 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 mixed solution of stabilizer, foaming agent and water, and mixing to obtain the disinfectant.
Example 3
The example provides a cleaning disinfectant, which comprises the following preparation 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 stabilizer, 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 is 1:2.3, wherein the water-soluble mineral is acid-activated attapulgite, and the stabilizer comprises diethylenetriamine pentamethylene phosphoric acid and hydroxyethylene diphosphate, and the weight ratio is 1:1.
the preparation method of the acid-activated attapulgite comprises the following steps: and (3) placing the attapulgite into a hydrochloric acid aqueous solution with the concentration of 3mol/L, stirring for 25min, washing and drying to obtain the acid activated attapulgite.
The example 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 mixed solution of stabilizer, foaming agent and water, and mixing to obtain the disinfectant.
Example 4
The example provides a cleaning disinfectant, which comprises the following preparation 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 stabilizer, 4wt% of foaming agent and the balance of water, wherein the foaming agent comprises polyethylene oxide and disodium laurylphenyl ether disulfonate, and the weight ratio is 1:2.3, wherein the stabilizer comprises diethylenetriamine pentamethylene phosphoric acid and hydroxyethylene diphosphonic acid, and the weight ratio is 1:1.
the polyethylene oxide is purchased from Bike New Material technologies (Shanghai) Inc. (dynamic viscosity in 1wt% aqueous solution at 25 ℃ C. Is 1000-1500 mPas, respectively).
The example 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 mixed solution of stabilizer, foaming agent and water, and mixing to obtain the disinfectant.
Comparative example 1
The example provides a cleaning disinfectant, which comprises the following preparation raw materials in percentage by weight: hydrogen peroxide (the mass concentration of hydrogen peroxide is 50 wt%) 50wt%, glacial acetic acid (the mass concentration of acetic acid is 99.8%) 38wt% and a stabilizing agent 1.5wt%, wherein the stabilizing agent comprises diethylenetriamine pentamethylene phosphoric acid.
The example 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 Performance
1. Service life is as follows: the cleaning and disinfecting solutions provided in examples and comparative examples were left at 54 ℃ for 14 days, and the peroxyacetic acid reduction rate = (peroxyacetic acid content before leaving-peroxyacetic acid content after leaving) = 100%, and the results are shown in table 1. The cleaning and disinfecting liquid provided by the embodiment can be found to have a service life of 1 year or more.
2. Foam properties: the cleaning and disinfecting solutions provided in examples and comparative examples were diluted 200 times with water and sprayed onto the surface of a wooden material, and the foam disappearance time was observed (the time when more than 50% of the foam disappeared was taken as the disappearance time), and the results are shown in table 1.
3. Wood wiping stability: after the cleaning and disinfecting solutions provided in examples and comparative examples were diluted 200 times and soaked in nonwoven fabric, the surfaces of the wood were rubbed for 10 minutes, and the degree of discoloration of the surfaces of the wood was observed, and the results are shown in table 2.
TABLE 1
| Service life of the product | Foam Properties | Wood wiping stability | |
| Example 1 | 6.53％ | 14min | No color change |
| Example 2 | 9.83％ | - | Lightening the color and having no white point |
| Example 3 | 8.54％ | 10min | Local spot whitening |
| Example 4 | 10.46％ | 9min | - |
| Comparative example 1 | 14.08％ | - | Obvious whitening |
4. Sterilizing performance: the cleaning disinfectant provided in example 1 was subjected to the following test according to GB 14930.2 national food safety standard disinfectant, 2002 edition of disinfection technical Specification, 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 by water in the disinfectant to the total weight.
TABLE 2
The test result shows that the cleaning disinfectant provided by the invention has high disinfection effect, and the foam disinfectant can be prepared by adding the foaming agent, so that the killing and cleaning effects on microorganisms are further promoted.
Claims (1)
1. The cleaning disinfectant is characterized by comprising the following preparation raw materials in percentage by weight: hydrogen peroxide 50wt%, wherein the mass concentration of hydrogen peroxide is 50wt%; 38wt% glacial acetic acid, wherein the mass concentration of acetic acid is 99.8%; 1.5wt% of a stabilizer; 4wt% of a foaming agent; 2wt% of water-soluble minerals; the balance of water;
the foaming agent comprises polyethylene oxide and lauryl phenyl ether disodium disulfonate, and the weight ratio is 1:2.3; the water-soluble mineral is acid-activated attapulgite, and the stabilizer comprises diethylene triamine pentamethylene phosphoric acid and hydroxyethylene diphosphate, wherein the weight ratio is 1:1, a step of;
the preparation method of the acid-activated attapulgite comprises the following steps: placing the attapulgite into a hydrochloric acid aqueous solution with the concentration of 3mol/L, stirring for 25min, washing and drying to obtain the acid activated attapulgite;
the dynamic viscosity of the polyethylene oxide in a 1wt% aqueous solution at 25 ℃ is 1000-1500 mPa.s;
the preparation method of the cleaning disinfectant comprises the following steps: mixing hydrogen peroxide and water-soluble minerals, adding glacial acetic acid, mixing, adding mixed solution of stabilizer, foaming agent and water, and mixing to obtain the disinfectant.
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