CN111363270A - Broad-spectrum antiviral bactericidal plastic and application thereof - Google Patents
Broad-spectrum antiviral bactericidal plastic and application thereof Download PDFInfo
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- 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
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Abstract
The invention relates to a broad-spectrum antiviral bactericidal plastic and application thereof, wherein the bactericidal plastic comprises: 90-96% of basic plastic grease, 1-3% of modified antibacterial agent and 0-10% of plastic additive in percentage by weight; the modified antibacterial agent comprises the following components: 5-15 parts of chlorophyll, 5-15 parts of tea polyphenol, 8-16 parts of taurine, 0.5-2 parts of citric acid, 6-18 parts of isomaltooligosaccharide, 0.6-1.5 parts of yeast powder, 4-10 parts of chitosan, 30-50 parts of nano titanium dioxide, 3-8 parts of zinc oxide and 3-8 parts of ultraviolet fluorescent powder. The broad-spectrum antiviral and bactericidal plastic has broad-spectrum antiviral and bactericidal effects, can resist viruses and sterilize for a long time, effectively prevents virus infection possibly caused by frequent contact of users with plastic cards such as bank cards, identity cards and the like, and is beneficial to the health of the users.
Description
Technical Field
The invention relates to the technical field of plastic materials, in particular to broad-spectrum antiviral bactericidal plastic and application thereof.
Background
Plastic products are widely used in daily life due to their characteristics of light weight, good chemical stability, good corrosion resistance, etc. The base material of cards such as various bank cards, identification cards, membership cards and the like is plastic, and the cards are usually carried by people and frequently used in contact with the people, and the infection and spread of diseases of the users can be caused after the cards are contacted to carry viruses or bacteria.
At present, the number of antibacterial plastic products on the market is small, and particularly, the plastic used for producing plastic card substrates such as bank cards, identity cards and the like has almost no antiviral and bactericidal functions, so if broad-spectrum antiviral and bactericidal plastic can be developed, the prepared plastic card has long-acting antiviral and bactericidal effects, and the body health of users is guaranteed.
Disclosure of Invention
The invention provides a broad-spectrum antiviral and bactericidal plastic, which solves the technical problem that the plastic for manufacturing plastic card substrates in the prior art almost has no antiviral and bactericidal function, and realizes the technical effects of providing a broad-spectrum antiviral and bactericidal plastic, particularly a substrate for plastic cards such as bank cards, identity cards and the like, having long-acting antiviral and bactericidal effects and avoiding the virus propagation possibly caused by frequent contact and use of the plastic cards.
The invention provides a broad-spectrum antiviral bactericidal plastic, which comprises: 90-96% of basic plastic grease, 1-3% of modified antibacterial agent and 0-10% of plastic additive in percentage by weight;
the modified antibacterial agent comprises the following components: 5-15 parts of chlorophyll, 5-15 parts of tea polyphenol, 8-16 parts of taurine, 0.5-2 parts of citric acid, 6-18 parts of isomaltooligosaccharide, 0.6-1.5 parts of yeast powder, 4-10 parts of chitosan, 30-50 parts of nano titanium dioxide, 3-8 parts of zinc oxide and 3-8 parts of ultraviolet fluorescent powder.
Preferably, the base plastic is polyvinyl chloride.
Preferably, the plastic auxiliary comprises: one or more of a plasticizer, a coupling agent, and a stabilizer.
Preferably, the modified antimicrobial agent comprises the following components: the composition comprises, by weight, 9 parts of chlorophyll, 9 parts of tea polyphenol, 10 parts of taurine, 0.9 part of citric acid, 12 parts of isomaltooligosaccharide, 0.9 part of yeast powder, 6 parts of chitosan, 38 parts of nano titanium dioxide, 4 parts of zinc oxide and 4.5 parts of ultraviolet fluorescent powder.
Preferably, the modified antimicrobial agent comprises the following components: the composition comprises, by weight, 10 parts of chlorophyll, 10 parts of tea polyphenol, 10 parts of taurine, 1 part of citric acid, 10 parts of isomaltooligosaccharide, 1 part of yeast powder, 8 parts of chitosan, 40 parts of nano titanium dioxide, 5 parts of zinc oxide and 5 parts of ultraviolet fluorescent powder.
Preferably, the modified antimicrobial agent comprises the following components: 11 parts of chlorophyll, 10 parts of tea polyphenol, 13 parts of taurine, 1.2 parts of citric acid, 12 parts of isomaltooligosaccharide, 1.1 parts of yeast powder, 8 parts of chitosan, 50 parts of nano titanium dioxide, 5.5 parts of zinc oxide and 5.5 parts of ultraviolet fluorescent powder.
Preferably, the preparation method of the modified antibacterial agent comprises the following steps:
mixing the isomaltooligosaccharide and the yeast powder according to a set proportion, and stirring to form a first mixture after the isomaltooligosaccharide and the yeast powder are uniformly mixed;
fermenting the first mixture to obtain lysozyme;
mixing the taurine, the citric acid, the nano titanium dioxide, the zinc oxide and the ultraviolet fluorescent powder, adding water, and grinding to obtain a second mixture;
spray drying the second mixture to obtain composite powder;
mixing the chlorophyll, the tea polyphenol and the composite powder, and stirring to obtain a third mixture;
and mixing the lysozyme, the chitosan and the third mixture, and stirring to obtain a finished product of the modified antibacterial agent.
Preferably, the first mixture is fermented in a stainless steel fermentation barrel, and the fermentation time is controlled to be 140-180 hours.
Preferably, the taurine, the citric acid, the nano titanium dioxide, the zinc oxide and the ultraviolet fluorescent powder are mixed, and then the mixture is ground by adding purified water in a grinding machine, wherein the grinding time is controlled to be 2.5-3.5 hours.
Based on the same inventive concept, the application also provides a use of the broad-spectrum antiviral and bactericidal plastic for preparing a plastic card, wherein the plastic card comprises: bank card, ID card, traffic value card and membership card.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the modified antibacterial agent is obtained by reasonably proportioning and scientifically processing a plurality of components, the modified antibacterial agent, the plastic base material and the plastic auxiliary agent are mixed according to a reasonable proportion and then granulated to obtain a finished product of the bactericidal plastic, and the finished product of the bactericidal plastic is prepared by using the plastic card to prepare plastic cards similar to bank cards, identity cards and the like.
Drawings
FIG. 1 is a schematic flow diagram of a process for preparing a modified antimicrobial agent as provided in the examples herein.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The invention provides a broad-spectrum antiviral bactericidal plastic, which comprises: 90-96% of basic plastic grease, 1-3% of modified antibacterial agent and 0-10% of plastic additive in percentage by weight;
the basic plastic resin is polyvinyl chloride. The plastic auxiliary agent comprises: one or more of a plasticizer, a coupling agent, and a stabilizer; wherein the plasticizer is phthalate; the coupling agent is a silane coupling agent; the stabilizer is epoxy resin; the plastic additive comprises the following components in percentage by weight: the plasticizer accounts for 1-6 wt%, the coupling agent accounts for 0.5-2 wt%, and the stabilizer accounts for 0.2-1 wt%.
As a preferred embodiment, the broad spectrum antiviral bactericidal plastic comprises: the weight percentage of the base plastic grease is 92 percent, the modified antibacterial agent is 3 percent, the plasticizer is 3.6 percent, the coupling agent is 1 percent, and the stabilizing agent is 0.4 percent.
The application also provides the application of the broad-spectrum antiviral and bactericidal plastic, which is used for preparing the plastic card, and the plastic card comprises the following components: bank cards (which may be specifically debit cards, credit cards), identification cards, transportation stored value cards, and membership cards.
The modified antibacterial agent comprises the following components: 5-15 parts of chlorophyll, 5-15 parts of tea polyphenol, 8-16 parts of taurine, 0.5-2 parts of citric acid, 6-18 parts of isomaltooligosaccharide, 0.6-1.5 parts of yeast powder, 4-10 parts of chitosan, 30-50 parts of nano titanium dioxide, 3-8 parts of zinc oxide and 3-8 parts of ultraviolet fluorescent powder.
Chlorophyll and tea polyphenol can absorb carbon dioxide to release oxygen, the oxygen contains abundant large, medium and small anions (small anions, namely negative oxygen ions), the small anions have the functions of resisting virus, sterilizing and purifying air, and the negative oxygen ions lead bacteria and viruses to generate structural changes to die or lose reproductive capacity. The citric acid has good effect of killing bacterial spores. The nanometer titanium dioxide is used as a photocatalytic semiconductor inorganic antibacterial agent, has a broad-spectrum antibacterial function, can inhibit and kill microorganisms, has the functions of deodorization, mildew prevention and disinfection, has stable chemical properties, is harmless to human bodies and the environment, and has a lasting photocatalytic effect. The nano titanium dioxide has long-term sterilization effect under the action of the ultraviolet fluorescent powder. The zinc oxide has good bactericidal and antibacterial effects as a strong oxidant.
The modified antibacterial agent is obtained by reasonably proportioning and scientifically processing a plurality of components, the modified antibacterial agent, the plastic base material and the plastic auxiliary agent are mixed according to a reasonable proportion and then granulated to obtain a finished product of the bactericidal plastic, and the finished product of the bactericidal plastic is prepared by using the plastic card to prepare plastic cards similar to bank cards, identity cards and the like.
Further, the modified antibacterial agent comprises the following components: 8-12 parts of chlorophyll, 8-12 parts of tea polyphenol, 10-14 parts of taurine, 0.8-1.5 parts of citric acid, 8-15 parts of isomaltooligosaccharide, 0.8-1.2 parts of yeast powder, 5-8 parts of chitosan, 35-55 parts of nano titanium dioxide, 3.5-5.5 parts of zinc oxide and 4-7 parts of ultraviolet fluorescent powder.
As a first preferred embodiment, the modified antimicrobial agent comprises the following components: the composition comprises, by weight, 9 parts of chlorophyll, 9 parts of tea polyphenol, 10 parts of taurine, 0.9 part of citric acid, 12 parts of isomaltooligosaccharide, 0.9 part of yeast powder, 6 parts of chitosan, 38 parts of nano titanium dioxide, 4 parts of zinc oxide and 4.5 parts of ultraviolet fluorescent powder.
As a second preferred embodiment, the modified antimicrobial agent comprises the following components: the composition comprises, by weight, 10 parts of chlorophyll, 10 parts of tea polyphenol, 10 parts of taurine, 1 part of citric acid, 10 parts of isomaltooligosaccharide, 1 part of yeast powder, 8 parts of chitosan, 40 parts of nano titanium dioxide, 5 parts of zinc oxide and 5 parts of ultraviolet fluorescent powder.
As a third preferred embodiment, the modified antimicrobial agent comprises the following components: 11 parts of chlorophyll, 10 parts of tea polyphenol, 13 parts of taurine, 1.2 parts of citric acid, 12 parts of isomaltooligosaccharide, 1.1 parts of yeast powder, 8 parts of chitosan, 50 parts of nano titanium dioxide, 5.5 parts of zinc oxide and 5.5 parts of ultraviolet fluorescent powder.
The preparation method of the modified antibacterial agent is shown in the attached figure 1 and comprises the following steps:
s1: mixing isomaltooligosaccharide and yeast powder according to a set proportion, and stirring to form a first mixture after the isomaltooligosaccharide and the yeast powder are uniform;
s2: fermenting the first mixture to obtain lysozyme;
s3: mixing taurine, citric acid, nano titanium dioxide, zinc oxide and ultraviolet fluorescent powder, adding water, and grinding to obtain a second mixture;
s4: spray drying the second mixture to obtain composite powder;
s5: mixing chlorophyll, tea polyphenol and the composite powder, stirring, and uniformly mixing to obtain a third mixture;
s6: and mixing the lysozyme, the chitosan and the third mixture, and stirring uniformly to form a finished product of the modified antibacterial agent.
Further, step S2 is specifically: and fermenting the first mixture in a stainless steel fermentation barrel, wherein the fermentation time is controlled to be 140-180 hours. As a preferred example, the fermentation time is controlled at 168 hours.
Further, step S3 is specifically: mixing taurine, citric acid, nano titanium dioxide, zinc oxide and ultraviolet fluorescent powder, and then adding purified water into a sand mill for grinding, wherein the grinding time is controlled to be 2.5-3.5 hours. As a preferred example, the milling time is 3 hours.
The following detailed description of the preparation of the modified antimicrobial agent is given by way of specific examples, all raw materials being in parts by weight:
example 1
S1: mixing 12 parts of isomaltooligosaccharide and 0.9 part of yeast powder, and stirring to form a first mixture after uniform mixing;
s2: fermenting the first mixture in a stainless steel fermentation barrel to obtain lysozyme; the fermentation time is controlled at 168 hours;
s3: mixing 10 parts of taurine, 0.9 part of citric acid, 38 parts of nano titanium dioxide, 4 parts of zinc oxide and 4.5 parts of ultraviolet fluorescent powder, and then adding purified water into a grinding machine for grinding to obtain a second mixture; the grinding time is 3 hours;
s4: spray drying the second mixture to obtain composite powder;
s5: mixing 9 parts of chlorophyll, 9 parts of tea polyphenol and the composite powder, and stirring to obtain a third mixture after uniform mixing;
s6: and mixing lysozyme, 6 parts of chitosan and the third mixture, and stirring to obtain a finished product of the modified antibacterial agent.
Example 2
S1: mixing 10 parts of isomaltooligosaccharide and 1 part of yeast powder, and stirring uniformly to form a first mixture;
s2: fermenting the first mixture in a stainless steel fermentation barrel to obtain lysozyme; the fermentation time is controlled at 168 hours;
s3: mixing 10 parts of taurine, 1 part of citric acid, 40 parts of nano titanium dioxide, 5 parts of zinc oxide and 5 parts of ultraviolet fluorescent powder, and then adding purified water into a grinding machine for grinding to obtain a second mixture; the grinding time is 3 hours;
s4: spray drying the second mixture to obtain composite powder;
s5: mixing 10 parts of chlorophyll, 10 parts of tea polyphenol and the composite powder, and stirring to obtain a third mixture after uniform mixing;
s6: and mixing the lysozyme, 8 parts of chitosan and the third mixture, and stirring uniformly to form a finished product of the modified antibacterial agent.
Example 3
S1: mixing 12 parts of isomaltooligosaccharide and 1.1 parts of yeast powder, and stirring to form a first mixture after uniform mixing;
s2: fermenting the first mixture in a stainless steel fermentation barrel to obtain lysozyme; the fermentation time is controlled at 168 hours;
s3: mixing 13 parts of taurine, 1.2 parts of citric acid, 50 parts of nano titanium dioxide, 5.5 parts of zinc oxide and 5.5 parts of ultraviolet fluorescent powder, and then adding purified water into a grinding machine for grinding to obtain a second mixture; the grinding time is 3 hours;
s4: spray drying the second mixture to obtain composite powder;
s5: mixing 11 parts of chlorophyll, 10 parts of tea polyphenol and the composite powder, and stirring uniformly to obtain a third mixture;
s6: and mixing the lysozyme, 8 parts of chitosan and the third mixture, and stirring uniformly to form a finished product of the modified antibacterial agent.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A broad-spectrum antiviral bactericidal plastic, which is characterized by comprising: 90-96% of basic plastic grease, 1-3% of modified antibacterial agent and 0-10% of plastic additive in percentage by weight;
the modified antibacterial agent comprises the following components: 5-15 parts of chlorophyll, 5-15 parts of tea polyphenol, 8-16 parts of taurine, 0.5-2 parts of citric acid, 6-18 parts of isomaltooligosaccharide, 0.6-1.5 parts of yeast powder, 4-10 parts of chitosan, 30-50 parts of nano titanium dioxide, 3-8 parts of zinc oxide and 3-8 parts of ultraviolet fluorescent powder.
2. The broad-spectrum antiviral and bactericidal plastic as claimed in claim 1, wherein said base plastic is polyvinyl chloride.
3. The broad-spectrum antiviral and bactericidal plastic as claimed in claim 1, wherein said plastic adjuvant comprises: one or more of a plasticizer, a coupling agent, and a stabilizer.
4. The broad-spectrum antiviral and bactericidal plastic as claimed in claim 1, wherein said modified antibacterial agent comprises the following components: the composition comprises, by weight, 9 parts of chlorophyll, 9 parts of tea polyphenol, 10 parts of taurine, 0.9 part of citric acid, 12 parts of isomaltooligosaccharide, 0.9 part of yeast powder, 6 parts of chitosan, 38 parts of nano titanium dioxide, 4 parts of zinc oxide and 4.5 parts of ultraviolet fluorescent powder.
5. The broad-spectrum antiviral and bactericidal plastic as claimed in claim 1, wherein said modified antibacterial agent comprises the following components: the composition comprises, by weight, 10 parts of chlorophyll, 10 parts of tea polyphenol, 10 parts of taurine, 1 part of citric acid, 10 parts of isomaltooligosaccharide, 1 part of yeast powder, 8 parts of chitosan, 40 parts of nano titanium dioxide, 5 parts of zinc oxide and 5 parts of ultraviolet fluorescent powder.
6. The broad-spectrum antiviral and bactericidal plastic as claimed in claim 1, wherein said modified antibacterial agent comprises the following components: 11 parts of chlorophyll, 10 parts of tea polyphenol, 13 parts of taurine, 1.2 parts of citric acid, 12 parts of isomaltooligosaccharide, 1.1 parts of yeast powder, 8 parts of chitosan, 50 parts of nano titanium dioxide, 5.5 parts of zinc oxide and 5.5 parts of ultraviolet fluorescent powder.
7. The broad-spectrum antiviral and bactericidal plastic as claimed in claim 1, wherein the preparation method of the modified antibacterial agent comprises the following steps:
mixing the isomaltooligosaccharide and the yeast powder according to a set proportion, and stirring to form a first mixture after the isomaltooligosaccharide and the yeast powder are uniformly mixed;
fermenting the first mixture to obtain lysozyme;
mixing the taurine, the citric acid, the nano titanium dioxide, the zinc oxide and the ultraviolet fluorescent powder, adding water, and grinding to obtain a second mixture;
spray drying the second mixture to obtain composite powder;
mixing the chlorophyll, the tea polyphenol and the composite powder, and stirring to obtain a third mixture;
and mixing the lysozyme, the chitosan and the third mixture, and stirring to obtain a finished product of the modified antibacterial agent.
8. The broad-spectrum antiviral and bactericidal plastic as claimed in claim 7, wherein the first mixture is fermented in a stainless steel fermentation vat for 140-180 hours.
9. The broad-spectrum antiviral and bactericidal plastic as claimed in claim 7, wherein the taurine, the citric acid, the nano titanium dioxide, the zinc oxide and the ultraviolet fluorescent powder are mixed and then ground by adding purified water in a grinding machine, and the grinding time is controlled to be 2.5-3.5 hours.
10. The use of the broad-spectrum antiviral and bactericidal plastic as claimed in any one of claims 1 to 9, for preparing a plastic card, wherein the plastic card comprises: bank card, ID card, traffic value card and membership card.
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| CN202010243594.4A CN111363270A (en) | 2020-03-31 | 2020-03-31 | Broad-spectrum antiviral bactericidal plastic and application thereof |
| PCT/CN2020/082898 WO2021196111A1 (en) | 2020-03-31 | 2020-04-02 | Broad-spectrum antiviral bactericidal plastic and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112457615A (en) * | 2020-11-16 | 2021-03-09 | 深圳市正旺环保新材料有限公司 | Stretch-proof and easily-degradable plastic bag and preparation method thereof |
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| CN114409912A (en) * | 2021-12-22 | 2022-04-29 | 阳江市宏强硅胶有限公司 | High-temperature-resistant food-grade solid silica gel and preparation method thereof |
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| CN107501851A (en) * | 2017-09-29 | 2017-12-22 | 武汉马腾科技发展有限公司 | A kind of plastics of good anti-bacterial effect and preparation method thereof |
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- 2020-03-31 CN CN202010243594.4A patent/CN111363270A/en active Pending
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| CN105400100A (en) * | 2015-11-25 | 2016-03-16 | 全椒祥瑞塑胶有限公司 | Antibacterial polyvinyl chloride |
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| CN112457615A (en) * | 2020-11-16 | 2021-03-09 | 深圳市正旺环保新材料有限公司 | Stretch-proof and easily-degradable plastic bag and preparation method thereof |
| CN112457615B (en) * | 2020-11-16 | 2022-12-02 | 深圳市正旺环保新材料有限公司 | Stretch-proof and easily-degradable plastic bag and preparation method thereof |
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| WO2021196111A1 (en) | 2021-10-07 |
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