CN210736635U - Chlorosulfonated rubber-based antibacterial coating - Google Patents
Chlorosulfonated rubber-based antibacterial coating Download PDFInfo
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- CN210736635U CN210736635U CN201921879364.6U CN201921879364U CN210736635U CN 210736635 U CN210736635 U CN 210736635U CN 201921879364 U CN201921879364 U CN 201921879364U CN 210736635 U CN210736635 U CN 210736635U
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- chlorosulfonated rubber
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Abstract
The utility model relates to an antibacterial coating based on chlorosulfonated rubber, including chlorosulfonated rubber top-coat layer (1) that contains berberine and baicalin, its characterized in that is one deck chlorinated rubber waterproof layer (2) below the chlorosulfonated rubber top-coat layer that contains berberine and baicalin, is one deck compound chlorosulfonated rubber transitional coating (3) below the chlorinated rubber waterproof layer, is polyacrylate formaldehyde absorbed layer (4) that the one deck contains 2-imidazolidinone below the compound chlorosulfonated rubber transitional coating of polyacrylate. The coating has antibacterial and formaldehyde absorbing performances, is simple in structure, convenient to construct practically, and suitable for popularization and application.
Description
The technical field is as follows:
the utility model belongs to a functional coating system, in particular to an antibacterial coating based on chlorosulfonated rubber.
Background art:
it is customary to make household appliances, such as tables, kitchen chopping boards, bowl and cabinet cabinets, from wood products, which are often in direct contact with the skin of the human body. People also often process food on dining tables, kitchen chopping boards and the like, food residues generated after food processing mostly remain in wood grains on the surfaces of the dining tables and the chopping boards, various bacteria and the like such as escherichia coli, staphylococcus aureus and other harmful bacteria and viruses can be bred in the residual food, and the existence of the bacteria and the viruses can seriously threaten the health of children with low immunity, old people and special people. At present, people mostly adopt coatings containing heavy metals such as silver, zinc or copper to generate bacteriostatic effects on the bacteria, however, the use of the coatings containing the heavy metals can also cause the heavy metals in the coatings to finally run off into the environment, the heavy metals are not easily degraded in the natural environment, and the current society is highly alert to the ecological environment damage caused by the abuse of the heavy metals.
In addition, most of domestic wood products at present adopt artificial composite boards, the artificial composite boards are formed by bonding and pressing wood flour of fast-growing forests through adhesives, the artificial composite boards contain a large amount of chemical products, the chemical products can be degraded to release formaldehyde, and the formaldehyde can seriously harm human health as well as is known. The chlorosulfonated rubber is a polymer with excellent performance, is acid-resistant and alkali-resistant, is wear-resistant, has excellent waterproof performance and good toughness, is very suitable for serving as a coating of a wooden product, and does not have strong sterilization and formaldehyde absorption effects. Therefore, how to endow the chlorosulfonated rubber coating with good bacteriostasis and control the formaldehyde release of wood products is a topic with practical application value.
The utility model has the following contents:
the utility model provides a coating based on chlorosulfonated rubber, which has the advantages of simple structure, strong construction performance, bacteriostasis and formaldehyde absorption.
For solving the technical problem the utility model discloses the technical scheme who adopts is: an antibacterial coating based on chlorosulfonated rubber comprises a chlorosulfonated rubber surface coating (1) containing berberine and baicalin, and is characterized in that a chlorinated rubber waterproof layer (2) is arranged below the chlorosulfonated rubber surface coating containing berberine and baicalin, a polyacrylate composite chlorosulfonated rubber transition coating (3) is arranged below the chlorinated rubber waterproof layer, and a polyacrylate formaldehyde absorbing layer (4) containing 2-imidazolidinone is arranged below the polyacrylate composite chlorosulfonated rubber transition coating.
The thickness of the chlorosulfonated rubber surface coating (1) containing the berberine and the baicalin is 0.2-1.0 cm.
The thickness of the chlorinated rubber waterproof layer (2) is 0.2-1.0 cm.
The thickness of the polyacrylate compounded chlorosulfonated rubber transition coating (3) is 0.2-1.2 cm.
The thickness of the polyacrylate formaldehyde absorption layer (4) containing the 2-imidazolidinone is 0.2-1.5 cm.
Due to the adoption of the technical scheme, the chlorosulfonated rubber-based antibacterial coating comprises a chlorosulfonated rubber surface coating (1) containing berberine and baicalin, wherein the berberine is an important alkaloid, is a Chinese medicament which is very long-term applied in China, can be extracted from plants such as coptis chinensis, golden cypress, barberry and the like, and has an inhibiting effect on various bacteria such as escherichia coli, staphylococcus aureus, shigella dysenteriae, mycobacterium tuberculosis, pneumococcus, typhoid bacillus, diphtheria bacillus and the like. Baicalin is a flavonoid compound extracted and separated from radix scutellariae, has wide antibacterial range, has strong effects on staphylococcus aureus and pseudomonas aeruginosa, has the functions of diuresis, anti-inflammation, anti-allergy and spasmolysis, has strong physiological effects of resisting cancer reaction and the like, can absorb ultraviolet rays, remove oxygen free radicals and inhibit the generation of melanin, and therefore, can be used for medicines and cosmetics and is a good functional cosmetic raw material. Berberine and baicalin can form a spherical supermolecular structure through electrostatic attraction and hydrophobic interaction, the hydrophilic group of the supermolecular structure faces outwards, the hydrophobic group faces inwards, and the supermolecular structure has higher bacteriostatic activity than single berberine or baicalin (documents: Tong Li et al. ACS Nano [ J ]2019,13, 6770-6781). The berberine and the baicalin are both derived from organic molecules of natural plants, have small toxic and side effects, are easy to degrade after being lost into the environment, and do not form ecological influence on the environment. The chlorosulfonated rubber contains sulfuryl chloride polar groups, can generate weak interaction with polar hydroxyl and oxygen atoms on the berberine and the baicalin, and disperses supermolecules formed by the berberine and the baicalin in a chlorosulfonated rubber structure, and meanwhile, the supermolecules formed by the berberine and the baicalin molecules are relatively stable and cannot be damaged by the chlorosulfonated rubber.
The antibacterial coating based on chlorosulfonated rubber also comprises a chlorinated rubber waterproof layer (2), wherein the chlorinated rubber is prepared by chlorination of natural rubber, has excellent acid and alkali resistance and waterproof property, has extremely low permeability to oxygen and water vapor molecules, and has the advantages of strong rigidity, wear resistance and the like. The chlorinated natural rubber in the waterproof layer and the chlorosulfonated natural rubber in the chlorosulfonated rubber surface coating containing the berberine and the baicalin are both derived from natural rubber, have similar molecular structures and good compatibility with each other, so that the waterproof layer and the surface coating are tightly combined, and the phenomenon of water channeling in the waterproof process caused by the fact that the two layers are not tightly combined is avoided.
An antibacterial coating based on chlorosulfonated rubber comprises a polyacrylate formaldehyde absorbing layer (4) containing 2-imidazolidinone, wherein the 2-imidazolidinone is an organic compound with a molecular formula of C3H6N2O is colorless acicular crystal, is easy to dissolve in water and hot ethanol and is difficult to dissolve in ether, one 2-imidazolidinone molecule and 2 formaldehyde molecules can generate addition reaction to generate larger molecules, the obtained product has good crosslinking activity, polyacrylate molecular chains in the formaldehyde absorption layer can be crosslinked into a compact network structure, and formaldehyde in the composite wood board is difficult to release outwards. Containing 2-imidazolesThe polyacrylate formaldehyde absorption layer (4) of the oxazolidinone and the polyacrylate composite chlorosulfonated rubber transition coating (3) on the upper layer both contain polyacrylate components, so that the two layers can be compatible with each other and are tightly attached. The polyacrylate composite chlorosulfonated rubber transition coating (3) and the chlorinated rubber waterproof layer (2) on the upper layer contain chlorinated rubber and chlorosulfonated rubber with similar structures, so that the two layers can be compatible with each other and are tightly bonded, and gaps between the layers are not easy to generate.
Drawings
The following description is made in detail by way of example with reference to the accompanying drawings.
Fig. 1 is a cross-sectional view of an antimicrobial coating based on chlorosulfonated rubber.
In the figure: 1-chlorosulfonated rubber surface coating containing berberine and baicalin; 2-chlorinated rubber waterproof layer; 3-polyacrylate compounded chlorosulfonated rubber transition coating; 4-polyacrylate formaldehyde absorbing layer containing 2-imidazolidinone.
Detailed Description
Example 1
Referring to the attached drawings, the antibacterial coating based on chlorosulfonated rubber comprises a chlorosulfonated rubber surface coating (1) containing berberine and baicalin, and is characterized in that a chlorinated rubber waterproof layer (2) is arranged below the chlorosulfonated rubber surface coating containing berberine and baicalin, a polyacrylate composite chlorosulfonated rubber transition coating (3) is arranged below the chlorinated rubber waterproof layer, and a polyacrylate formaldehyde absorption layer (4) containing 2-imidazolidone is arranged below the polyacrylate composite chlorosulfonated rubber transition coating. The thickness of the chlorosulfonated rubber surface coating (1) containing the berberine and the baicalin is 0.2 cm. The thickness of the chlorinated rubber waterproof layer (2) is 1.0 cm. The thickness of the polyacrylate compounded chlorosulfonated rubber transition coating (3) is 0.2 cm. The thickness of the polyacrylate formaldehyde absorption layer (4) containing the 2-imidazolidinone is 1.5 cm.
Example 2
Referring to the attached drawings, the antibacterial coating based on chlorosulfonated rubber comprises a chlorosulfonated rubber surface coating (1) containing berberine and baicalin, and is characterized in that a chlorinated rubber waterproof layer (2) is arranged below the chlorosulfonated rubber surface coating containing berberine and baicalin, a polyacrylate composite chlorosulfonated rubber transition coating (3) is arranged below the chlorinated rubber waterproof layer, and a polyacrylate formaldehyde absorption layer (4) containing 2-imidazolidone is arranged below the polyacrylate composite chlorosulfonated rubber transition coating. The thickness of the chlorosulfonated rubber surface coating (1) containing the berberine and the baicalin is 0.45 cm. The thickness of the chlorinated rubber waterproof layer (2) is 0.7 cm. The thickness of the polyacrylate compounded chlorosulfonated rubber transition coating (3) is 0.5 cm. The thickness of the polyacrylate formaldehyde absorption layer (4) containing the 2-imidazolidinone is 1.1 cm.
Example 3
Referring to the attached drawings, the antibacterial coating based on chlorosulfonated rubber comprises a chlorosulfonated rubber surface coating (1) containing berberine and baicalin, and is characterized in that a chlorinated rubber waterproof layer (2) is arranged below the chlorosulfonated rubber surface coating containing berberine and baicalin, a polyacrylate composite chlorosulfonated rubber transition coating (3) is arranged below the chlorinated rubber waterproof layer, and a polyacrylate formaldehyde absorption layer (4) containing 2-imidazolidone is arranged below the polyacrylate composite chlorosulfonated rubber transition coating. The thickness of the chlorosulfonated rubber surface coating (1) containing the berberine and the baicalin is 0.7 cm. The thickness of the chlorinated rubber waterproof layer (2) is 0.4 cm. The thickness of the polyacrylate compounded chlorosulfonated rubber transition coating (3) is 0.8 cm. The thickness of the polyacrylate formaldehyde absorption layer (4) containing the 2-imidazolidinone is 0.65 cm.
Example 4
Referring to the attached drawings, the antibacterial coating based on chlorosulfonated rubber comprises a chlorosulfonated rubber surface coating (1) containing berberine and baicalin, and is characterized in that a chlorinated rubber waterproof layer (2) is arranged below the chlorosulfonated rubber surface coating containing berberine and baicalin, a polyacrylate composite chlorosulfonated rubber transition coating (3) is arranged below the chlorinated rubber waterproof layer, and a polyacrylate formaldehyde absorption layer (4) containing 2-imidazolidone is arranged below the polyacrylate composite chlorosulfonated rubber transition coating. The thickness of the chlorosulfonated rubber surface coating (1) containing the berberine and the baicalin is 1.0 cm. The thickness of the chlorinated rubber waterproof layer (2) is 0.2 cm. The thickness of the polyacrylate compounded chlorosulfonated rubber transition coating (3) is 1.2 cm. The thickness of the polyacrylate formaldehyde absorption layer (4) containing the 2-imidazolidinone is 0.2 cm.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Claims (5)
1. An antibacterial coating based on chlorosulfonated rubber comprises a chlorosulfonated rubber surface coating (1) containing berberine and baicalin, and is characterized in that a chlorinated rubber waterproof layer (2) is arranged below the chlorosulfonated rubber surface coating containing berberine and baicalin, a polyacrylate composite chlorosulfonated rubber transition coating (3) is arranged below the chlorinated rubber waterproof layer, and a polyacrylate formaldehyde absorbing layer (4) containing 2-imidazolidinone is arranged below the polyacrylate composite chlorosulfonated rubber transition coating.
2. The chlorosulfonated rubber-based antibacterial coating according to claim 1, wherein the thickness of the chlorosulfonated rubber topcoat (1) containing berberine and baicalin is 0.2-1.0 cm.
3. The chlorosulfonated rubber-based antibacterial coating according to claim 1, wherein the thickness of the chlorinated rubber waterproof layer (2) is 0.2-1.0 cm.
4. The chlorosulfonated rubber-based antibacterial coating according to claim 1, wherein the thickness of the polyacrylate compounded chlorosulfonated rubber transition coating (3) is 0.2-1.2 cm.
5. The chlorosulfonated rubber-based antibacterial coating according to claim 1, wherein the thickness of the 2-imidazolidinone-containing polyacrylate formaldehyde absorption layer (4) is 0.2 to 1.5 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921879364.6U CN210736635U (en) | 2019-11-04 | 2019-11-04 | Chlorosulfonated rubber-based antibacterial coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921879364.6U CN210736635U (en) | 2019-11-04 | 2019-11-04 | Chlorosulfonated rubber-based antibacterial coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210736635U true CN210736635U (en) | 2020-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921879364.6U Expired - Fee Related CN210736635U (en) | 2019-11-04 | 2019-11-04 | Chlorosulfonated rubber-based antibacterial coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210736635U (en) |
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2019
- 2019-11-04 CN CN201921879364.6U patent/CN210736635U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200612 Termination date: 20211104 |