Antibacterial scratch-resistant coating composition, method of making same, and transparent sheet and product containing same

Abstract

The present application relates to an antibacterial scratch-resistant coating composition, a method for manufacturing the same, and a transparent sheet and a product including the same, which is obtained by performing a polymerization step on a diionic polymer and a silane coupling agent. The transparent sheet formed by applying the antibacterial scratch-resistant coating composition to a substrate has antibacterial properties and scratch resistance, and thus can be applied to a product of glasses and / or goggles.

Description

Technical Field

[0001] This invention relates to a coating composition, particularly an antibacterial and scratch-resistant coating composition, a method for manufacturing the same, and transparent sheets and products containing the same. Background Technology

[0002] Transparent sheets such as glass and / or polycarbonate (PC) are commonly used as lenses for optical products such as eyeglasses and / or goggles to correct vision and / or protect the eyes from foreign objects and / or germs without affecting vision. However, transparent sheets are easily scratched by wind, sand, and / or other objects, which can even affect vision.

[0003] Secondly, people are accustomed to touching the lenses when wearing glasses and / or goggles, thus increasing the risk of pathogens entering through the eyes. Existing antibacterial methods include, for example, incorporating nano-silver into transparent sheets and / or coating their surface with nano-silver. However, nano-silver, due to its small particle size and poor stability, easily aggregates into large particles, reducing the antibacterial effect and transparency of the transparent sheets.

[0004] In view of this, there is an urgent need for a coating composition that can form a transparent sheet with antibacterial and scratch-resistant properties and a method for manufacturing it, in order to solve the above problems. Summary of the Invention

[0005] Therefore, one aspect of the present invention is to provide a method for manufacturing an antibacterial and scratch-resistant coating composition, comprising a polymerization step of a diionic polymer and a silane coupling agent. After the above-mentioned antibacterial and scratch-resistant coating composition is coated onto a substrate, the resulting transparent sheet possesses both antibacterial and scratch-resistant properties.

[0006] Another aspect of the present invention is to provide an antibacterial and scratch-resistant coating composition obtained by the above-described manufacturing method.

[0007] Another aspect of the present invention is to provide an antibacterial and scratch-resistant transparent sheet material comprising a substrate and a coating layer formed using the above-described antibacterial and scratch-resistant coating composition.

[0008] Another aspect of the present invention is to provide an antibacterial and scratch-resistant product comprising the above-mentioned transparent sheet.

[0009] According to the above-described form of the present invention, a method for manufacturing an antibacterial and scratch-resistant coating composition is provided. First, starting materials are provided, comprising a diionic polymer solution, a silane coupling agent, a thermal polymerization initiator, and an equilibrium amount of water. Then, the starting materials are polymerized at 55°C to 65°C to obtain the antibacterial and scratch-resistant coating composition.

[0010] The aforementioned diionic polymer solution comprises a diionic polymer and a co-solvent, wherein the diionic polymer contains a cationic group, and the cationic group has at least one double bond. The co-solvent is selected from the group consisting of physiological saline saturation solution, methanol, ethanol, and the above. Based on 100 wt% of the starting material, the content of the diionic polymer is 1 wt% to 5 wt%, and the content of the co-solvent is 50 wt% to 65 wt%. The silane coupling agent comprises at least one hydrolyzable group and at least one double bond, wherein based on 100 wt% of the starting material, the content of the silane coupling agent is 30 wt% to 45 wt%. Based on 100 wt% of the starting material, the content of the thermal polymerization initiator is 0.1 wt% to 0.3 wt%.

[0011] In some embodiments of the present invention, the dual-ionic polymer comprises the AU of formula (1). m BU n Block copolymers, random copolymers, or alternating copolymers,

[0012]

[0013] In AU expression (1), -CR 1 R 2 - The divalent methylene group with substituents shown, BU represents -CR in formula (1) 4 HCH2CR 5 H- represents a divalent propyl group with substituents, where m represents an integer from 5 to 120, n represents an integer from 5 to 120, and R... 1 Indicates a straight-chain, branched, or cyclic alkyl or ester group having 3 to 18 carbon atoms [i.e., -COOR]. x , where R x Represents a straight-chain, branched, or cyclic alkyl group, aryl group, or heteroaryl group with 5 to 12 carbon atoms, having 3 to 18 carbon atoms. 2 R is a hydrogen atom or a methyl group. 4 It is a carboxyl group, and R 5 It is a cationic group.

[0014] In some embodiments of the present invention, the cationic group is N,N-dimethylammonium ethylamino vinyl, N,N-dimethylammonium propylamino vinyl, N,N-dimethylammonium butylamino vinyl, or N,N-dimethylammonium pentylamino vinyl.

[0015] In some embodiments of the present invention, the hydrolyzable group is selected from the group consisting of chloro, methoxy, ethoxy, 2-methoxyethoxy, isopropoxy, trimethylsilyloxy, and any combination thereof. In some embodiments of the present invention, the silane coupling agent comprises vinyltrimethoxysilane, dimethylethoxyvinylsilane, allyl dimethylchlorosilane, vinyltris(2-methoxyethoxy)silane, dimethoxymethylvinylsilane, triethoxypropenesilane, triisopropoxy(vinyl)silane, trichlorovinylsilane, diethoxymethylvinylsilane, dichlorodimethylvinylsilane, trimethoxy(7-octen-1-yl)silane, 1,1,1,5,5,5-hexamethyl-3-[(trimethylsilane)oxy]-3-vinyltrisiloxane, bicyclo[2.2.1]hept-5-en-2-yl]triethoxysilane, allyltriethoxysilane, allyltrimethoxysilane, and any combination thereof. In some embodiments, the thermal polymerization initiator is selected from the group consisting of 2,2'-azobisisobutyronitrile, 2,2'-azobis-2-methylbutyronitrile, dimethyl 2,2'-azobis(2-methylpropionic acid) and / or 4,4'-azobis-4-cyanopentanoic acid and any combination thereof.

[0016] According to another aspect of the present invention, an antibacterial and scratch-resistant coating composition is provided, which is obtained by the above-described manufacturing method.

[0017] According to another aspect of the present invention, an antibacterial and scratch-resistant transparent sheet is provided, comprising a substrate and a coating layer, wherein the coating layer is disposed on the surface of the substrate, and the coating layer is formed using the aforementioned antibacterial and scratch-resistant coating composition.

[0018] In some embodiments of the present invention, the relative antimicrobial rate of the surface of the transparent sheet relative to the surface of the substrate is at least 80%.

[0019] According to another aspect of the present invention, an antibacterial and scratch-resistant product is provided, comprising the above-mentioned transparent sheet, wherein the antibacterial and scratch-resistant product includes eyeglasses and / or goggles.

[0020] The present invention relates to an antibacterial and scratch-resistant coating composition, a manufacturing method thereof, a transparent sheet containing the same, and a product thereof. The antibacterial and scratch-resistant coating composition is obtained by polymerizing a cationic dual-ionic polymer solution with a silane coupling agent. After the antibacterial and scratch-resistant coating composition is coated on a substrate, the resulting transparent sheet has antibacterial and scratch-resistant properties. Attached Figure Description

[0021] To make the above and other objects, features, advantages and embodiments of the present invention more apparent and understandable, the accompanying drawings are described in detail below:

[0022] Figure 1A flowchart illustrating a method for manufacturing an antibacterial and scratch-resistant coating composition according to an embodiment of the present invention is provided. Detailed Implementation

[0023] As mentioned above, the present invention provides an antibacterial and scratch-resistant coating composition, a method for manufacturing the same, and a transparent sheet and product containing the same. The antibacterial and scratch-resistant coating composition is obtained by polymerizing a dual-ion polymer with a silane coupling agent. After the antibacterial and scratch-resistant coating composition is coated on a substrate, the resulting transparent sheet has antibacterial and scratch-resistant properties and can be used as a lens for eyeglasses and / or goggles.

[0024] Please see Figure 1 The diagram illustrates a flowchart of a method 100 for manufacturing an antibacterial and scratch-resistant coating composition according to an embodiment of the present invention. First, as shown in step 110, starting materials are provided, wherein the starting materials may include, but are not limited to, a diionic polymer solution, a silane coupling agent, a thermal polymerization initiator, and an equilibrium amount of water. Next, the starting materials are polymerized at 55°C to 65°C (as shown in step 130) to obtain the antibacterial and scratch-resistant coating composition (as shown in step 150).

[0025] The aforementioned diionic polymer solution may include, but is not limited to, a diionic polymer and a cosolvent. The diionic polymer may include, but is not limited to, cationic groups, and the cationic groups have at least one double bond to facilitate the polymerization reaction detailed below. In one embodiment, the diionic polymer may include, but is not limited to, the structure described in patent number TW I496819B, wherein the diionic polymer comprises AU as described in formula (1). m BU n Block copolymers, random copolymers, or alternating copolymers. AU represents -CR in formula (1). 1 R 2 - The divalent methylene group with substituents shown, BU represents -CR in formula (1) 4 HCH2CR 5 H- represents a divalent propyl group with substituents, where m represents an integer from 5 to 120, and n represents an integer from 5 to 120, wherein AU has an anchoring group and BU has a biionic group or a pseudo-biionic group.

[0026]

[0027] In detail, R 1 Examples include linear, branched, or cyclic alkyl groups (i.e., -COOR) having 3 to 18 carbon atoms. x , where R x Represents a straight-chain, branched, or cyclic alkyl group, aryl group, or heteroaryl group with 5 to 12 carbon atoms, having 3 to 18 carbon atoms. 2It can be, for example, a hydrogen atom or a methyl group, R 4 For example, it can be a carboxyl group (-COOH), and R 5 For example, it can be a cationic group.

[0028] In one embodiment, the cationic group may be, for example, N,N-dimethylammonium-ethylene-1-amino-vinyl, N,N-dimethylammonium-propylene-1-amino-vinyl, N,N-dimethylammonium-butylene-1-amino-vinyl and N,N-dimethylammonium-pentylene-1-amino-vinyl.

[0029] Based on a starting material content of 100% by weight, the content of the dual-ion polymer can be, for example, 1% to 5% by weight, preferably 2% to 3% by weight. If the content of the dual-ion polymer is not within the above range, the obtained coating composition cannot form an antibacterial transparent sheet, or, with a significant increase in production costs, the antibacterial and scratch-resistant properties of the transparent sheet formed by the coating composition are not significantly improved.

[0030] The cosolvent must be able to fully dissolve the diionic polymer. In one embodiment, the cosolvent may be, for example, selected from the group consisting of saturated physiological saline, methanol, ethanol, and the above. In one embodiment, based on 100% by weight of the starting material, the cosolvent content may be, for example, 50% to 65% by weight. If the cosolvent content is too low, the diionic polymer cannot be uniformly mixed in the starting material. However, if the cosolvent content is too high, the resulting antibacterial and scratch-resistant coating composition, after being applied to the substrate, may leave residual cosolvent in the coating layer, thereby irritating the skin and posing a safety concern.

[0031] The aforementioned silane coupling agent has at least one hydrolyzable group and at least one double bond, wherein the at least one hydrolyzable group, after sol-gel processing, can form a three-dimensional network structure with Si-O-Si. In one embodiment, the hydrolyzable group may, for example, be selected from the group consisting of chloro, methoxy, ethoxy, 2-methoxyethoxy, isopropoxy, trimethylsilyloxy, and any combination thereof. Furthermore, the at least one double bond of the aforementioned silane coupling agent can polymerize with the double bond on the cationic group of a diionic polymer.

[0032] In one specific example, the silane coupling agent may include, but is not limited to, vinyltrimethoxysilane, dimethylethoxyvinylsilane, allylchlorodimethylsilane, vinyltris(2-methoxyethoxy)silane, dimethoxymethylvinylsilane, triethoxyvinylsilane, triisopropoxy(vinyl)silane, trichlorovinylsilane, diethoxymethylvinylsilane, chlorodimethylvinylsilane, and trimethoxy(7-octen-1-yl)silane. [ethoxy(7-octen-1-yl)silane], 1,1,1,5,5,5-hexamethyl-3-[(trimethylsilyl)oxy]-3-vinyltrisiloxane, bicyclo[2.2.1]hept-5-en-2-yl]triethoxysilane, allyltriethoxysilane, allyltrimethoxysilane.

[0033] In one embodiment, based on a starting material content of 100% by weight, the silane coupling agent content may be, for example, 30% to 45% by weight, or 30% to 40% by weight, or 35% to 42% by weight. If the silane coupling agent content is outside the above range, the transparent sheet formed by the coating composition will have poor scratch resistance, or excessive silane coupling agent will dilute the content of the dual-ionic polymer in the starting material, resulting in poor antibacterial properties of the transparent sheet formed by the coating composition.

[0034] The aforementioned thermal polymerization initiator may include, but is not limited to, 2,2'-azobisisobutyronitrile, 2,2'-azobis-2-methylbutyronitrile, dimethyl 2,2'-azobis(2-methylpropionic acid) and / or 4,4'-azobis-4-cyanopentanoic acid. Based on a starting material content of 100% by weight, the content of the thermal polymerization initiator may be, for example, 0.1% by weight to 0.3% by weight. If the content of the thermal polymerization initiator is outside the above range, the efficiency of subsequent polymerization steps will be poor, or the antibacterial and scratch-resistant properties of the transparent sheet formed from the coating composition will not be significantly improved, even with a substantial increase in production costs.

[0035] After the aforementioned antibacterial and scratch-resistant coating composition is applied to a substrate, a transparent sheet can be formed, wherein the antibacterial and scratch-resistant coating composition forms a coating layer on the surface of the substrate. The substrate may contain a transparent material, the type of which is not limited, and may include, for example, inorganic materials such as glass and / or organic materials such as polycarbonate. It should be noted that the method of forming the coating layer of the antibacterial and scratch-resistant coating composition is not limited. In one specific example, the antibacterial and scratch-resistant coating composition is applied to the substrate by dip coating and dried at 110°C to 130°C for 20 to 30 minutes, thereby forming a coating layer on the surface of the substrate.

[0036] This transparent sheet is transparent and possesses antibacterial and scratch-resistant properties. "Transparency" as used herein refers to the sheet's excellent light transmittance, and the evaluation method is not limited, including, for example, visual assessment. "Antibacterial properties" as used herein refer to the surface of the transparent sheet being resistant to adhesion by bacteria, viruses, and / or droplets containing them. The antibacterial properties can be evaluated using any method, such as relative bacterial count percentage or relative antibacterial rate. The relative bacterial count percentage refers to the percentage of surface bacteria (i.e., N1) on the transparent sheet (coated with the antibacterial and scratch-resistant coating composition) to the surface bacteria (i.e., N2) on the substrate (not coated with the antibacterial and scratch-resistant coating composition) [i.e., (N1 / N2) × 100%], and the relative antibacterial rate refers to the difference between 100% and the relative bacterial count percentage [i.e., 100% - (N1 / N2) × 100%]. Experiments have shown that the relative bacterial count of transparent sheets is less than 20%, meaning that the relative antibacterial rate can reach more than 80%, such as 80% to 90%.

[0037] The term "scratch resistance" as used herein refers to high adhesion of the coating layer to the substrate surface and excellent abrasion resistance of the transparent sheet surface. The method for evaluating the adhesion of the coating layer to the substrate surface is not limited, and may include, for example, a cross-cut adhesion test and / or a boiling cross-cut adhesion test. The method for evaluating the abrasion resistance of the transparent sheet surface is not limited, and may include, for example, a steel wool test. Experiments have confirmed that the high adhesion of the coating layer to the substrate surface and the excellent abrasion resistance of the transparent sheet surface indicate that the transparent sheet possesses scratch resistance. Due to its antibacterial and scratch-resistant properties, the aforementioned transparent sheet can be used in antibacterial and scratch-resistant products, including but not limited to optical products such as eyeglasses and / or safety goggles.

[0038] It should be further noted that the antibacterial and scratch-resistant coating composition of the present invention is polymerized from a dual-ionic polymer and a silane coupling agent. Its advantage is that the three-dimensional network structure with Si-O-Si formed by the silane coupling agent can form covalent bonds with glass and / or hydrogen bonds with polycarbonate. Therefore, the antibacterial and scratch-resistant coating composition of the present invention has high adhesion to substrates such as glass and / or polycarbonate.

[0039] The following examples illustrate the application of the present invention, but are not intended to limit the invention. Those skilled in the art can make various modifications and refinements without departing from the spirit and scope of the invention.

[0040] Preparation of transparent sheets

[0041] Preparation Example 1

[0042] According to the formulation in Table 1, a diionic polymer, vinyltrimethoxysilane, and a thermal polymerization initiator were dissolved in methanol to obtain a starting material. The diionic polymer was manufactured according to the method disclosed in patent number TW I496819B, wherein the diionic polymer has cationic groups, and these cationic groups have at least one double bond. Before use, the diionic polymer was sieved through an 80-mesh sieve. Next, the starting material was polymerized at 60°C to obtain a coating composition. The coating composition was used to impregnate a PC substrate, which was then dried at 120°C for 30 minutes to form a coating layer on the substrate, thereby forming the transparent sheet of Preparation Example 1.

[0043] Preparation Examples 2 to 4 and Comparative Preparation Examples 1 to 3

[0044] As shown in Table 1, the transparent sheets of Preparation Examples 2 and 4, and the processes of Preparation Comparative Examples 1 to 2, were the same as those of Preparation Example 1, but the contents of the diionic polymer, silane coupling agent, and thermal polymerization initiator differed. Preparation Comparative Example 1 contained an excess (greater than 5% by weight) of the diionic polymer, while Preparation Comparative Example 2 did not contain any silane coupling agent or thermal polymerization initiator. Preparation Comparative Example 3 was not coated with any coating composition. Table 1 records the evaluation results of Preparation Examples 2 to 4 and Preparation Comparative Examples 1 to 3.

[0045] Evaluation method

[0046] 1. Transparency of transparent sheets

[0047] The transparency referred to herein is determined by placing the transparent sheets of Preparation Examples 1 to 4, Comparative Examples 1 to 2, and the substrate of Comparative Example 3 on white paper with markings. The specific evaluation criteria are as follows:

[0048] ○: The words on the white paper can be clearly seen through the transparent sheet, and the color of the white paper seen through the transparent sheet is the same as the color of the white paper when viewed directly with the naked eye.

[0049] ╳: The text on the white paper cannot be clearly seen through the transparent sheet and / or the color of the white paper seen through the transparent sheet is different from the color of the white paper when viewed directly with the naked eye.

[0050] 2. Antibacterial properties of transparent sheets

[0051] The relative antibacterial rates of the transparent sheets prepared in Examples 1 to 4 and Comparative Example 3, as determined by SGS antibacterial testing, are recorded in Table 1. The antibacterial testing method is briefly described below: First, the transparent sheets were sterilized by irradiating both sides with ultraviolet light for 5 minutes each. The front side of the transparent sheet refers to the side from which the bacterial count was measured in subsequent experiments. Next, the transparent sheet was placed face up in a culture dish containing bacterial suspension and cultured at 37°C for 24 hours. The bacterial concentration in the suspension was 2.5 × 10⁻⁶. 5 Colony-forming units (CFU) / mL to 10.0 × 10⁻⁶ 5 CFU / mL.

[0052] Next, remove the transparent sheet and remove any visible liquid. Then, wash the transparent sheet twice, draining off the liquid from the surface. The washing process involved immersing the transparent sheet in phosphate-buffered saline (PBS) for 5 minutes, followed by removal of the PBS. Next, rinse the front side of the transparent sheet with 10 mL of soybean casein digest lecithin polysorbate 80 medium (SCDLP) containing lecithin and polysorbate 80 to obtain a rinsing solution. 1 mL of rinsing solution was spread onto culture agar, and after incubation at 37°C for 24 hours, the percentage of colony counts (i.e., N1) on the culture agar of Preparation Examples 1 to 4 and the percentage of colony counts (i.e., N2) on the culture agar of Comparative Example 3 were calculated [i.e., (N1 / N2) × 100%]. This yielded the relative bacterial count percentages of Preparation Examples 1 to 4. The difference between 100% and the relative bacterial count percentages of Preparation Examples 1 to 4 was calculated to obtain the relative antibacterial rate [i.e., 100% - (N1 / N2) × 100%]. It should be noted that the bacteria mentioned above include *Escherichia coli*, and culture agar is well known to those skilled in the art; therefore, further details are omitted here.

[0053] As shown in Table 1, compared with the substrate without a coating composition, the relative antibacterial rate of the transparent sheet formed by coating the substrate with a coating composition containing 1% to 5% by weight of dual-ionic polymer is 81.4% to 87.2%.

[0054] 3. 100-point test

[0055] First, an engraving area is defined on the surface of the transparent sheet. Next, within the engraving area, several first engraving lines, spaced 1 mm apart, are made on the surface of the transparent sheet using a blade under stable pressure. Then, within the engraving area, several second engraving lines, also spaced 1 mm apart, are made on the surface of the transparent sheet using a blade under stable pressure, so that the first engraving lines are perpendicular to the second engraving lines, forming multiple squares. It should be noted that the coating layer needs to be cut along the first and second engraving lines. Next, adhesive tape is applied to the surface of the transparent sheet in the engraving area for 60 seconds, and then peeled off at approximately 180°. The texture on the tape is then observed using a magnifying glass. If the adhesion between the coating layer and the substrate is poor, the coating layer will peel off from the substrate and adhere to the tape. Therefore, in the cross-cut adhesion test, the adhesion of the coating layer to the substrate can be evaluated by observing the peeled coating layer on the tape. The specific evaluation criteria for the adhesion of the transparent sheet coating layer to the substrate surface are as follows:

[0056] ○: The tape surface is completely smooth, with no coating peeling off.

[0057] ╳: The coating layer peels off along the edges of the squares.

[0058] 4. Boiling Hundred-Cube Test

[0059] The water-boil cross-cut adhesion test involves boiling a transparent sheet in water at 80°C for 24 hours before conducting the cross-cut test. This assesses whether the coating layer retains adhesion to the substrate surface after boiling. The specific evaluation criteria for the water-boil cross-cut adhesion test are the same as those for the standard cross-cut adhesion test.

[0060] 5. Steel wool test

[0061] First, the weight of the transparent sheet is measured. Then, the transparent sheet is clamped on a disc, and weights are placed on two abrasion shafts, ensuring a load of 200g on the transparent sheet. Next, steel wool is used to abrade the surface of the transparent sheet at a fixed rotation speed using the abrasion shafts, and the weight of the transparent sheet is measured again. The abrasion percentage is calculated as the percentage of the difference between the weight of the transparent sheet before and after abrasion treatment, relative to the weight of the transparent sheet before abrasion treatment. The lower the abrasion resistance of the transparent sheet, the lower the abrasion percentage. The specific evaluation criteria for the abrasion resistance of the transparent sheet are as follows:

[0062] ○: Wear percentage is <1%.

[0063] X: Wear percentage ≥ 1%.

[0064] Table 1

[0065]

[0066] "-" indicates that it was not added or detected.

[0067] As shown in Table 1, the coating compositions of Preparation Examples 1 to 4 contain 1% to 5% by weight of a dual-ionic polymer and 30% to 45% by weight of a silane coupling agent. The resulting transparent sheets have a relative antibacterial rate greater than 80%, and these transparent sheets pass the cross-cut adhesion test, boiling cross-cut adhesion test, and steel wool test, confirming that the transparent sheets possess both antibacterial and scratch-resistant properties. Preparation Comparative Example 1, which added 6% by weight of a dual-ionic polymer, and Preparation Comparative Example 2, which did not add a silane coupling agent, resulted in transparent sheets that lacked scratch resistance, confirming that the dual-ionic polymer content in the coating composition must be less than or equal to 5% by weight; otherwise, the resulting transparent sheets will lack scratch resistance. Furthermore, the transparent sheets formed from coating compositions containing only dual-ionic polymers without a silane coupling agent lack scratch resistance, confirming that only when both dual-ionic polymers and silane coupling agents are added to the coating composition can the resulting transparent sheets simultaneously possess both antibacterial and scratch-resistant properties.

[0068] As can be seen from the above, the antibacterial and scratch-resistant coating composition, its manufacturing method, and the transparent sheet and product containing it of the present invention have the advantage that the antibacterial and scratch-resistant coating composition obtained by the polymerization step of the dual-ion polymer and silane coupling agent is coated on the substrate, and the resulting transparent sheet has antibacterial and scratch-resistant properties, and can be applied to optical products such as eyeglasses and / or goggles.

[0069] While the present invention has been disclosed above with reference to several specific embodiments, various modifications, alterations, and substitutions can be made to the foregoing disclosure. It should be understood that, without departing from the spirit and scope of the invention, certain features of the embodiments of the invention may be used in some cases, but other features may not be used accordingly. Therefore, the spirit and scope of the invention should not be limited to the embodiments described above.

[0070] [Symbol Explanation]

[0071] 100: Manufacturing Method

[0072] 110, 130, 150: Steps.

Claims

1. A method of manufacturing an antibacterial scratch-resistant coating composition, characterized by, comprising: A starting material is provided, wherein the starting material comprises a dual ionic polymer solution, a silane coupling agent, a thermal polymerization initiator, and an equilibrated amount of water, the dual ionic polymer solution comprising a dual ionic polymer and a co-solvent, the dual ionic polymer comprising an AU of formula (1) m BU n a block copolymer, a random copolymer, or an alternating copolymer of formula (2) (1) In AU expression (1), -CR 1 R 2 - The divalent methylene group with substituents shown, BU represents -CR in formula (1) 4 HCH2CR 5 H- represents a divalent propyl group with substituents, where m represents an integer from 5 to 120, and n represents an integer from 5 to 120. The R... 1 This refers to a straight-chain, branched, or cyclic alkyl group, ester group, aromatic group, or heteroaryl group having 3 to 18 carbon atoms, wherein the ester group is -COOR. x The R x R represents a straight-chain, branched, or cyclic alkyl group, aryl group, or heteroaryl group having 3 to 18 carbon atoms. 2 For hydrogen atoms or methyl groups, the R 4 It is a carboxyl group, and the R 5 The silane coupling agent is a cationic group having at least one double bond; the co-solvent is selected from the group consisting of saturated physiological saline, methanol, ethanol, and the above; the silane coupling agent comprises at least one hydrolyzable group and at least one double bond; wherein the content of the starting material is 100% by weight, the content of the diionic polymer is 1% to 5% by weight, the content of the co-solvent is 50% to 65% by weight, the content of the silane coupling agent is 30% to 45% by weight, and the content of the thermal polymerization initiator is 0.1% to 0.3% by weight; and polymerizing the starting material at 55°C to 65°C to obtain the antibacterial scratch-resistant coating composition.

2. The method of making an antimicrobial scratch resistant coating composition according to claim 1, wherein, wherein the cationic group is N,N-dimethylammonium ethylene, N,N-dimethylammonium propylene, N,N-dimethylammonium butylene, or N,N-dimethylammonium pentylene.

3. The method of making an antimicrobial, scratch-resistant coating composition according to claim 1, wherein wherein the hydrolysable group is selected from the group consisting of chloro, methoxy, ethoxy, 2-methoxyethoxy, isopropoxy, trimethylsiloxy, and any combination thereof.

4. The method of making an antimicrobial, scratch resistant coating composition according to claim 1, wherein, wherein the silane coupling agent is selected from the group consisting of vinyltrimethoxysilane, dimethylethoxysilane, allylchlorodimethylsilane, vinyltris(2-methoxyethoxy)silane, dimethoxymethylvinylsilane, triethoxypropenylsilane, triisopropoxy(vinyl)silane, trichlorovinylsilane, diethoxymethylvinylsilane, chlorodimethylvinylsilane, trimethoxy(7-octen-1-yl)silane, 1,1,1,5,5,5-hexamethyl-3-[(trimethylsilyl)oxy]-3-vinyltrisiloxane, bicyclo[2.2.1]hept-5-en-2-yl]triethoxysilane, allyltriethoxysilane, allyltrimethoxysilane, and any combination thereof.

5. The method of making an antimicrobial, scratch resistant coating composition according to claim 1, wherein, wherein the thermal polymerization initiator is selected from the group consisting of 2,2'-azobisisobutyronitrile, 2,2'-azobis-2-methylbutyronitrile, 2,2'-azobis(2-methylpropanoic acid) dimethyl ester, and / or 4,4'-azobis-4-cyanovaleric acid, and any combination thereof.

6. An antimicrobial scratch-resistant coating composition, characterized by, made by the manufacturing method of any one of claims 1-5.

7. An antibacterial, scratch-resistant, transparent sheet, characterized by, comprising a substrate and a coating layer, wherein the coating layer is disposed on a surface of the substrate, and the coating layer is formed using the antibacterial scratch-resistant coating composition according to claim 6.

8. The antimicrobial, scratch resistant, transparent sheet of claim 7, wherein, wherein the relative antibacterial rate of the surface of the transparent sheet relative to the surface of the substrate is at least 80%.

9. An antibacterial scratch-resistant product comprising the transparent sheet according to claim 8, characterized in that, wherein the antibacterial scratch-resistant product comprises eyewear and / or goggles. wherein the antibacterial scratch-resistant product comprises eyewear and / or goggles.

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