CN218579866U - Polyester film pad pasting with antibacterial function - Google Patents
Polyester film pad pasting with antibacterial function Download PDFInfo
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- CN218579866U CN218579866U CN202222853678.7U CN202222853678U CN218579866U CN 218579866 U CN218579866 U CN 218579866U CN 202222853678 U CN202222853678 U CN 202222853678U CN 218579866 U CN218579866 U CN 218579866U
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Abstract
The utility model discloses a polyester film pad pasting with antibacterial function. The antibacterial film is composed of 5 layers of structures, and comprises the following components in sequence from top to bottom: the water-based UV antibacterial coating (1) utilizes nano zinc oxide as an inorganic antibacterial agent, and destroys the three-dimensional structure of protease by combining with the sulfhydryl of protein, so that the antibacterial rate of the coating is 99.99%; the waterborne adhesive force bottom coating (2) can improve the adhesive force of the waterborne UV coating on the polyester film; an optical-grade polyester film substrate (3); a water-based acrylic pressure-sensitive adhesive layer (4); and a release film (5). The invention can be coated on the traditional coating equipment, so that the polyester film has the functionality of 99.99 percent of antibacterial rate, and can be applied to the fields of screen sticking films of self-service terminal equipment and the like.
Description
Technical Field
The utility model belongs to the technical field of the antibacterial material and specifically relates to an antibiotic pad pasting of plastic film.
Background
The bacteria have huge number and cannot be seen by naked eyes, but closely interact with human beings all the time, the spreading speed of epidemic diseases caused by the bacteria is faster and faster, and the influence range is larger and larger; mobile phones, public intelligent terminal devices and the like are used at high frequency, and an effective way is often provided for bacterial propagation; the nano zinc oxide is used as an inorganic antibacterial agent, and the three-dimensional structure of the protease is destroyed through the combination with the sulfhydryl of the protein, so that the nano zinc oxide has strong and lasting antibacterial performance.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem in the prior art, the utility model provides a polyester film pad pasting with antibacterial function, the antibacterial rate reaches 99.99%, solves cell-phone screen, intelligent terminal equipment screen bacterial reproduction cross infection problem.
The utility model adopts the technical proposal that: a polyester film pad pasting with antibacterial function comprises a 5-layer structure, from top to bottom: the coating comprises a water-based UV antibacterial coating, a water-based adhesive force base coat, an optical-grade polyester film substrate, a water-based acrylic pressure-sensitive adhesive layer and a release film; the water-based UV antibacterial coating is a nano zinc oxide antibacterial coating.
The thickness of the aqueous UV antibacterial coating is 5-20 mu m.
The water-based adhesive force bottom coating is a compact coating formed by coating and drying water-based polyurethane emulsion, and the coating thickness of the water-based adhesive force bottom coating is 0.1-1 mu m.
The thickness of the optical-grade polyester film base material film is 20-75 mu m, and both sides of the optical-grade polyester film base material film are subjected to corona treatment.
The solid content of the water-based acrylic pressure-sensitive adhesive layer is 50 +/-1%; the thickness is 5-10 μm.
The release film is an aqueous non-silicon treatment polyester film release film, and the thickness of the release film is 12-38 mu m.
The utility model discloses beneficial effect is: the coating dry glue amount of the water-based UV antibacterial coating is 5-20 g/square meter, the coating pencil hardness is more than 2H, and the antibacterial rate to escherichia coli and staphylococcus aureus reaches 99.99%; and 500g of 95% ethanol is wiped for more than 100 times, and the light transmittance reaches 92%. The adhesion force of the water-based adhesion primer coating adopting the Baige method is 5B. The 180-degree peel strength of the water-based acrylic pressure-sensitive adhesive layer reaches 10N/25mm, and the light transmittance reaches 85%. The utility model discloses the polyester film pad pasting possesses good antibacterial function, and antibiotic effect is lasting, and waterborne acrylic acid pressure sensitive adhesive laminating strength is big, makes the film bond firmly, durable, changes antibiotic pad pasting convenient and fast not cull.
Description of the drawings:
the present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work;
FIG. 1 is a view of the polyester film with antibacterial function of the present invention;
wherein: 1-water-based UV antibacterial coating, 2-water-based adhesive force primer coating, 3-optical-grade polyester film base material, 4-water-based acrylic pressure-sensitive adhesive layer and 5-release film.
Detailed Description
Example 1
The utility model discloses polyester film pad pasting with antibacterial function comprises 5 layer structures, and from the top down is in proper order: the coating comprises a water-based UV antibacterial coating 1, a water-based adhesive force base coat 2, an optical-grade polyester film substrate 3, a water-based acrylic pressure-sensitive adhesive layer 4 and a release film 5.
The thickness of the optical-grade polyester film base material 3 is 20-75 mu m, and both surfaces are subjected to corona treatment.
The water-based adhesion primer coating 2 is a compact coating formed by coating water-based polyurethane emulsion and drying the optical-grade polyester film substrate 3, the coating quantity of the water-based adhesion primer coating is 0.1-1 g per square meter, and the one-hundred-grid-method adhesion of the coating is 5B.
The water-based UV antibacterial coating 1 is coated on the water-based adhesive bottom coating 2, the coating dry glue amount is 5-20 g/square meter, and the coating comprises the following raw materials in parts by weight:
the solid content of the aqueous polyurethane acrylic dispersion is 30 percent, and the aqueous polyurethane acrylic dispersion contains multiple functional groups;
the photoinitiator is a mixture of 1173 and TPO;
the leveling agent is one or two of BYK348 and AFCONA 3588;
the defoaming agent is one or two of TEGO902W and AFCONA 2503;
the preparation method of the water-based UV antibacterial coating is characterized by comprising the following steps: adding the aqueous polyurethane acrylate dispersoid and deionized water into a dispersion kettle, stirring at the speed of 200-500 rpm for 10-30 min, then sequentially adding the nano zinc oxide antibacterial agent, the photoinitiator, the flatting agent and the defoamer, dispersing for 30-50 min, and filtering with a 200-400 mesh filter screen to obtain the aqueous UV antibacterial coating.
The solid content of the water-based acrylic pressure-sensitive adhesive layer 4 is 50 +/-1%; the thickness is 5-10 μm.
The waterborne acrylic pressure-sensitive adhesive is coated on the non-adhesive side of an optical-grade polyester film substrate 3, and the coating quantity is 5-10 g per square meter; the 180-degree peel strength reaches 10N/25mm, and the light transmittance reaches 85 percent.
The thickness of the release film 5 is 12-38 mu m, and the release film is simultaneously compounded and rolled when being coated with the water-type acrylic pressure-sensitive adhesive.
The utility model discloses do not receive the restriction of above-mentioned embodiment, waterborne UV antibacterial coating as long as for having added nanometer zinc oxide antiseptic, also can be that other ratios are made, and other anything does not deviate from the utility model discloses a change, modification, substitution, combination, simplification made under the spirit essence and the principle all should be equivalent replacement mode, all be contained within the protection scope of the utility model.
Claims (5)
1. The polyester film adhesive film with the antibacterial function is characterized by consisting of 5 layers of structures, and sequentially comprises the following components from top to bottom: the coating comprises a water-based UV antibacterial coating (1), a water-based adhesive force base coat (2), an optical-grade polyester film substrate (3), a water-based acrylic pressure-sensitive adhesive layer (4) and a release film (5); the water-based UV antibacterial coating (1) is a nano zinc oxide antibacterial coating.
2. The polyester film adhesive film with antibacterial function according to claim 1, wherein the thickness of the water-based UV antibacterial coating (1) is 5-20 μm.
3. The polyester film adhesive film with antibacterial function according to claim 1, wherein the optical-grade polyester film base material (3) has a film thickness of 20 to 75 μm, and is subjected to corona treatment on both sides.
4. The mylar film with an antibacterial function as claimed in claim 1, characterized in that the thickness of the water-based acrylic pressure-sensitive adhesive layer (4) is 5 to 10 μm.
5. The polyester film adhesive film with antibacterial function according to claim 1, wherein the release film (5) is an aqueous non-silicon type treated polyester film release film and has a thickness of 12 to 38 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222853678.7U CN218579866U (en) | 2022-10-28 | 2022-10-28 | Polyester film pad pasting with antibacterial function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222853678.7U CN218579866U (en) | 2022-10-28 | 2022-10-28 | Polyester film pad pasting with antibacterial function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218579866U true CN218579866U (en) | 2023-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202222853678.7U Active CN218579866U (en) | 2022-10-28 | 2022-10-28 | Polyester film pad pasting with antibacterial function |
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| CN (1) | CN218579866U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116769411A (en) * | 2023-08-24 | 2023-09-19 | 广州博达医疗用品有限公司 | Disposable antibacterial surgical membrane and preparation method thereof |
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2022
- 2022-10-28 CN CN202222853678.7U patent/CN218579866U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116769411A (en) * | 2023-08-24 | 2023-09-19 | 广州博达医疗用品有限公司 | Disposable antibacterial surgical membrane and preparation method thereof |
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