CN112400877A - Antibacterial mildew preventive, environment-friendly formaldehyde-removing antibacterial spray containing antibacterial mildew preventive and preparation method of environment-friendly formaldehyde-removing antibacterial spray - Google Patents
Antibacterial mildew preventive, environment-friendly formaldehyde-removing antibacterial spray containing antibacterial mildew preventive and preparation method of environment-friendly formaldehyde-removing antibacterial spray Download PDFInfo
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- 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
- A01N35/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical
- A01N35/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical containing aliphatically bound aldehyde or keto groups, or thio analogues thereof; Derivatives thereof, e.g. acetals
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- 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
- A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
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- 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
- A01N59/16—Heavy metals; Compounds thereof
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- 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
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
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- 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
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/36—Rutaceae [Rue family], e.g. lime, orange, lemon, corktree or pricklyash
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/14—Disinfection, sterilisation or deodorisation of air using sprayed or atomised substances including air-liquid contact processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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Abstract
The invention relates to an antibacterial mildew preventive, an environment-friendly formaldehyde-removing antibacterial spray containing the antibacterial mildew preventive and a preparation method thereof. The plant antibacterial mildew inhibitor is mainly prepared from lemon and green tea extracts by the following method: mixing green tea and lemon peel, oven drying, crushing, sieving to obtain powder, adding the obtained powder into acetone water solution, reflux-extracting at 55-65 deg.C for 6-10 hr to obtain extractive solution, distilling the obtained extractive solution, purifying, and drying to obtain the final product; wherein the weight ratio of the green tea to the lemon peel is 1: 5-1: 8 (range), and the volume fraction of the acetone in the acetone aqueous solution is 40-60% (range). The plant extracts of the plant antibacterial mildew inhibitor are green tea extracts and lemon extracts, the plant antibacterial mildew inhibitor is healthy and environment-friendly, the main mildew-proof antibacterial components of the plant antibacterial mildew inhibitor are catechin and citral, the two natural components can be used for efficiently resisting bacteria, and multiple plant extracts are not required to be compounded.
Description
Technical Field
The invention relates to an antibacterial mildew preventive, an environment-friendly formaldehyde-removing antibacterial spray containing the antibacterial mildew preventive and a preparation method thereof.
Background
In our lives, newly bought cabinets, automobiles, newly decorated rooms, toilets and the like can generate some unpleasant gases which may contain formaldehyde, sulfides, VOCs and the like, and meanwhile, some pathogenic bacteria exist in the atmosphere, so that the harmful bacteria cause harm to the health and safety of human bodies. The spray can be effectively applied to various scenes. However, when the aerosol is sprayed, a part of fine spray droplets are dispersed in the air due to the degree of atomization, and these spray droplets are easily inhaled into the human body. Therefore, a healthy and environment-friendly spray needs to be developed, which can effectively reduce the release of formaldehyde and remove peculiar smell, and can also effectively prevent mildew and resist bacteria, thereby creating a healthy air environment.
A plant folium Artemisiae Argyi extract and silver ion compound bactericide and its preparation method (publication No. CN 111184757A) disclose a plant folium Artemisiae Argyi extract and silver ion compound bactericide, which comprises the following main components: 23-24 parts of 15-27% nano silver ions, 0.02-0.03 part of folium artemisiae argyi flavone, 0.03-0.05 part of myricetin, 0.02-0.04 part of selenium, 0.01-0.02 part of wormwood alcohol, 0.02-0.05 part of sabinene, 0.02-0.05 part of menthene, 0.1-0.2 part of vitamin E and 72-74 parts of mineral water. The composition of the patent is that nano silver ions occupy a large proportion, and the price of silver is expensive. When the bactericide is applied to spray and aerosol, the bactericide achieves the effects of disinfection and antibiosis, but cannot degrade formaldehyde and peculiar smell molecules in the indoor environment.
Disclosure of Invention
The invention provides an antibacterial mildew preventive, an environment-friendly formaldehyde-removing antibacterial spray containing the antibacterial mildew preventive and a preparation method of the environment-friendly formaldehyde-removing antibacterial spray.
The invention is realized by the following technical scheme:
the first scheme is as follows:
the plant antibacterial mildew preventive is mainly prepared from lemon and green tea extracts by the following method:
mixing green tea and lemon peel, oven drying, crushing, sieving to obtain powder, adding the obtained powder into acetone water solution, reflux-extracting at 55-65 deg.C for 6-10 hr to obtain extractive solution, distilling the obtained extractive solution, purifying, and drying to obtain the final product; wherein the weight ratio of the green tea to the lemon peel is 1: 5-1: 8 (range), and the volume fraction of the acetone in the acetone aqueous solution is 40-60% (range).
The effective antibacterial component of green tea extract in the lemon and green tea extract is epigallocatechin gallate (EGCG), and the effective antibacterial component in the lemon extract is citral, which is harmless to human health.
Scheme II:
the environment-friendly aldehyde-removing antibacterial spray is prepared from the following components in parts by mass: 22-25 parts of water, 0.2-2 parts of the antibacterial mildew preventive, 0.4-0.8 part of a film-forming assistant, 0.3-1 part of chitosan oligosaccharide, 0.5-2 parts of nano zinc oxide, 0.1-0.3 part of a pH regulator, 0.5-1 part of an antifreezing agent and 0.2-0.5 part of a dispersing agent.
Furthermore, the particle size of the nano zinc oxide is between 20 and 50 nm.
The zinc oxide nano composite material in the environment-friendly formaldehyde-removing antibacterial spray can effectively decompose formaldehyde by generating electron-hole pairs, and can effectively sterilize in cooperation with plant components to jointly realize the air purifying effect.
The film-forming assistant is alcohol ester. The film-forming assistant is beneficial to forming a film on the surface of an object after the liquid drops are sprayed, and the flying in the air is reduced.
The pH regulator is a multifunctional amine assistant, preferably AMP-95, and is used for regulating the pH of the solution.
The antifreezing agent is a tristyrylphenol ethoxy compound.
The dispersant is polycarboxylic acid ammonium salt.
The chitosan oligosaccharide is chitosan oligosaccharide which is obtained by degrading chitosan through a microwave degradation technology.
The third scheme is as follows:
a preparation method of environment-friendly aldehyde-removing antibacterial spray comprises the following steps:
adding water and nano zinc oxide into a container, adjusting the rotating speed to 700-1000 rpm, and dispersing for 5-8 min;
then adjusting the rotating speed to 500-800 rpm, adding a plant antibacterial mildew inhibitor, chitosan oligosaccharide and a pH regulator, adjusting the pH to 7-8, and continuing to disperse for 4-7 min;
and then keeping the rotating speed at 500-800 rpm, adding an antifreezing agent and a film forming aid, and continuously stirring for 10-15 min to obtain the coating.
The principle is as follows:
1. the plant extracts of the plant antibacterial mildew inhibitor are green tea extracts and lemon extracts, the plant antibacterial mildew inhibitor is healthy and environment-friendly, the main mildew-proof antibacterial components of the plant antibacterial mildew inhibitor are catechin and citral, the two natural components can be used for efficiently resisting bacteria, and multiple plant extracts are not required to be compounded.
2. The chitosan oligosaccharide in the environment-friendly aldehyde-removing antibacterial spray is cationic basic amino oligosaccharide, can generate protonated free amino, and improves antibacterial activity.
3. The zinc oxide nano material in the environment-friendly formaldehyde-removing antibacterial spray can degrade formaldehyde and peculiar smell in the air through generated electron-hole energy, and is synchronously antibacterial with plant extracts.
Compared with the prior art, the invention has the following beneficial effects:
1. the plant antibacterial mildew preventive disclosed by the invention is prepared by adding two natural plants into spray to serve as an antibacterial agent, and can efficiently remove bacteria and mildew.
2. The zinc oxide nano material in the environment-friendly formaldehyde-removing antibacterial spray can effectively remove indoor formaldehyde and other peculiar smell molecules, and meanwhile, the zinc oxide can also cooperate with natural plant components to perform mildew prevention and antibiosis so as to achieve a long-acting antibacterial effect.
3. The spray has the effects of long acting, high efficiency, health and environmental protection in the aspects of aldehyde removal, mildew prevention and antibiosis.
Detailed description of the preferred embodiments
Example 1
The plant antibacterial mildew preventive is mainly prepared from lemon peel and green tea by the following method:
mixing green tea and lemon peel, drying, crushing, sieving to obtain powder, adding the obtained powder into an acetone aqueous solution, performing reflux extraction at 55 ℃ for 10 hours to obtain an extracting solution, distilling the obtained extracting solution, and purifying and drying to obtain the lemon peel extract; wherein the weight ratio of the green tea to the lemon peel is 1: 8, the volume fraction of acetone in the acetone aqueous solution is 50%.
The environment-friendly aldehyde-removing antibacterial spray is prepared from the following components in parts by mass: 22 parts of water, 0.2 part of the plant antibacterial mildew preventive, 0.3 part of chitosan oligosaccharide, 0.5 part of nano zinc oxide, 0.4 part of film-forming additive, 0.1 part of pH regulator, 0.5 part of antifreeze and 0.2 part of dispersant.
The particle size of the nano zinc oxide is 20-50 nm.
The film-forming assistant is an alcohol ester film-forming assistant.
The preparation method of the environment-friendly aldehyde-removing antibacterial spray comprises the following steps:
adding water and nano zinc oxide into a container, adjusting the rotating speed to 700rpm, and dispersing for 8 min;
then regulating the rotating speed to 500rpm, adding the plant antibacterial mildew preventive, the chitosan oligosaccharide and the pH regulator, regulating the pH to 7, and continuously dispersing for 4 min;
and then keeping the rotating speed at 500rpm, adding the antifreezing agent and the film-forming aid, and continuously stirring for 15min to obtain the coating.
Example 2
The plant antibacterial mildew preventive is mainly prepared from lemon peel and green tea by the following method:
mixing green tea and lemon peel, drying, crushing, sieving to obtain powder, adding the obtained powder into an acetone aqueous solution, performing reflux extraction at 65 ℃ for 6 hours to obtain an extracting solution, distilling the obtained extracting solution, and purifying and drying to obtain the lemon peel extract; wherein the weight ratio of the green tea to the lemon peel is 1: 6, the volume fraction of acetone in the acetone aqueous solution is 40%.
The environment-friendly aldehyde-removing antibacterial spray is prepared from the following components in parts by mass: 25 parts of water, 2 parts of the plant antibacterial mildew preventive, 1 part of chitosan oligosaccharide, 2 parts of nano zinc oxide, 0.8 part of film-forming additive, 0.3 part of pH regulator, 1 part of antifreezing agent and 0.5 part of dispersing agent.
The particle size of the nano zinc oxide is 20-50 nm.
The film-forming assistant is an alcohol ester film-forming assistant.
The preparation method of the environment-friendly aldehyde-removing antibacterial spray comprises the following steps:
adding water and nano zinc oxide into a container, adjusting the rotating speed to 1000rpm, and dispersing for 5 min;
then regulating the rotating speed to 800rpm, adding the plant antibacterial mildew preventive, the chitosan oligosaccharide and the pH regulator, regulating the pH to 8, and continuously dispersing for 7 min;
and then keeping the rotating speed at 800rpm, adding the antifreezing agent and the film-forming auxiliary agent, and continuously stirring for 10min to obtain the coating.
Example 3
The plant antibacterial mildew preventive is mainly prepared from lemon peel and green tea by the following method:
mixing green tea and lemon peel, drying, crushing, sieving to obtain powder, adding the obtained powder into an acetone aqueous solution, performing reflux extraction at the temperature of 60 ℃ for 8 hours to obtain an extracting solution, distilling the obtained extracting solution, and purifying and drying to obtain the lemon peel extract; wherein the weight ratio of the green tea to the lemon peel is 1:5, the volume fraction of acetone in the acetone aqueous solution is 60%.
The environment-friendly aldehyde-removing antibacterial spray is prepared from the following components in parts by mass: 24 parts of water, 1 part of the plant antibacterial mildew preventive, 0.7 part of chitosan oligosaccharide, 1.2 parts of nano zinc oxide, 0.68 part of film-forming assistant, 0.2 part of pH regulator, 0.8 part of antifreeze and 0.4 part of dispersant.
The particle size of the nano zinc oxide is 20-50 nm.
The film-forming assistant is an alcohol ester film-forming assistant.
The preparation method of the environment-friendly aldehyde-removing antibacterial spray comprises the following steps:
adding water and nano zinc oxide into a container, adjusting the rotating speed to 800rpm, and dispersing for 6 min;
then regulating the rotating speed to 700rpm, adding the plant antibacterial mildew preventive, the chitosan oligosaccharide and the pH regulator, regulating the pH to 7.5, and continuously dispersing for 6 min;
and then keeping the rotating speed at 700rpm, adding the antifreezing agent and the film-forming aid, and continuously stirring for 125min to obtain the coating.
The environment-friendly aldehyde-removing antibacterial spray of the embodiment 1-3 is applied to tests in the aspects of air purification and antibiosis, the removal test of formaldehyde, ammonia and TVOC is carried out according to QB/T2761-2006 method for testing the purification effect of indoor air purification products, and the mildew-proof antibacterial test is carried out according to HG/T3950-2007 antibacterial coatings, and the obtained data are shown in the following table 1, table 2 and table 3.
Table 1 performance test of the environment-friendly aldehyde-removing antibacterial spray according to embodiments 1 to 3 of the present invention
| Example 1 | Example 2 | Example 3 | |
| Efficiency of formaldehyde purification | 90.1％ | 95.8％ | 93.4％ |
| TVOC | 70.5％ | 77.2％ | 72.8％ |
| Ammonia | 86.1％ | 94.4％ | 89.5％ |
Table 2 antibacterial property test of the environment-friendly aldehyde-removing antibacterial spray of examples 1 to 3 of the present invention
Table 3 test of the mold-proof property of the environment-friendly type aldehyde-removing antibacterial spray according to embodiments 1 to 3 of the present invention
Claims (8)
1. The plant antibacterial mildew preventive is characterized in that: the lemon peel tea is mainly prepared from lemon peel and green tea by the following method:
mixing green tea and lemon peel, drying, crushing, sieving to obtain powder, adding the obtained powder into acetone aqueous solution, reflux-extracting at 55-65 deg.C for 6-10 hr to obtain extractive solution, distilling the obtained extractive solution, purifying, and drying to obtain the final product; wherein the weight ratio of the green tea to the lemon peel is 1:5-8, and the volume fraction of acetone in the acetone aqueous solution is 40-60%.
2. The environment-friendly aldehyde-removing antibacterial spray is characterized in that: the adhesive is prepared from the following components in parts by mass: 22-25 parts of water, 0.2-2 parts of the plant antibacterial mildew preventive as claimed in claim 1, 0.3-1 part of chitosan oligosaccharide, 0.5-2 parts of nano zinc oxide, 0.4-0.8 part of film-forming assistant, 0.1-0.3 part of pH regulator, 0.5-1 part of antifreeze and 0.2-0.5 part of dispersant.
3. The environment-friendly aldehyde-removing antibacterial spray as claimed in claim 2, wherein: the particle size of the nano zinc oxide is 20-50 nm.
4. The environment-friendly aldehyde-removing antibacterial spray as claimed in claim 2, wherein: the pH regulator is a multifunctional amine assistant.
5. The environment-friendly aldehyde-removing antibacterial spray as claimed in claim 2, wherein: the antifreezing agent is a tristyrylphenol ethoxy compound.
6. The environment-friendly aldehyde-removing antibacterial spray as claimed in claim 2, wherein: the dispersant is polycarboxylic acid ammonium salt.
7. The environment-friendly aldehyde-removing antibacterial spray as claimed in claim 2, wherein: the film-forming assistant is an alcohol ester film-forming assistant.
8. The method for preparing the environment-friendly aldehyde-removing antibacterial spray according to any one of claims 2 to 7, wherein: the method comprises the following steps:
adding water and nano zinc oxide into a container, adjusting the rotating speed to 700-1000 rpm, and dispersing for 5-8 min;
then adjusting the rotating speed to 500-800 rpm, adding a plant antibacterial mildew inhibitor, chitosan oligosaccharide and a pH regulator, adjusting the pH to 7-8, and continuing to disperse for 4-7 min;
and then keeping the rotating speed at 500-800 rpm, adding an antifreezing agent and a film forming aid, and continuously stirring for 10-15 min to obtain the coating.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011252528.XA CN112400877A (en) | 2020-11-11 | 2020-11-11 | Antibacterial mildew preventive, environment-friendly formaldehyde-removing antibacterial spray containing antibacterial mildew preventive and preparation method of environment-friendly formaldehyde-removing antibacterial spray |
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| CN202011252528.XA CN112400877A (en) | 2020-11-11 | 2020-11-11 | Antibacterial mildew preventive, environment-friendly formaldehyde-removing antibacterial spray containing antibacterial mildew preventive and preparation method of environment-friendly formaldehyde-removing antibacterial spray |
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