Ship glass and preparation method thereof

Abstract

The present invention discloses a ship glass and a method for preparing the same, relating to the technical field of ship glass. The ship glass of the present invention comprises a first glass substrate, a second glass substrate, and an aerogel layer. The aerogel layer is fixed between the first and second glass substrates, the first glass substrate being located away from the interior of the ship, and the second glass substrate being located closer to the interior of the ship. The aerogel layer is a titanium oxide-doped silica aerogel layer, and the pore size of the aerogel layer gradually decreases from the first glass substrate to the second glass substrate. The ship glass of the present invention comprises a titanium oxide-doped aerogel with a gradient pore size, which not only effectively blocks ultraviolet rays but also enhances the thermal insulation and sound absorption properties of the ship glass while maintaining good light transmission performance.

Description

Technical Field

[0001] The present invention relates to the technical field of ship glass, and in particular to ship glass and a preparation method thereof. Background Art

[0002] As the shipbuilding industry continues to demand greater safety, comfort, energy conservation, and environmental protection, ship glass, as a crucial functional component, faces increasingly stringent requirements for thermal insulation, sound absorption, and light transmission. Currently, ship glass typically utilizes a single material or composite materials to achieve these functions. However, traditional materials have the following shortcomings: Regarding thermal insulation, conventional glass has high thermal conductivity, making it difficult to effectively reduce the temperature inside the ship; Regarding sound absorption, traditional materials fail to achieve good light transmission. Furthermore, traditional glass offers limited protection against UV rays. Long-term exposure to UV rays can cause interior fading and excessively high temperatures inside the ship, impacting both driving comfort and the material's service life.

[0003] Therefore, providing a ship glass with excellent heat insulation, sound absorption, light transmission and UV protection properties and a preparation method thereof has become a technical problem that needs to be solved urgently by those skilled in the art. Summary of the Invention

[0004] The present invention discloses a ship glass and a preparation method thereof, so as to solve the technical problems of ship glass in the related art, such as poor heat insulation performance, inability to balance sound absorption and light transmission performance, and weak protection effect against ultraviolet rays.

[0005] In order to solve the above problems, the present invention adopts the following technical solutions:

[0006] A first aspect of the present invention provides a ship glass.

[0007] The ship glass of the present invention includes a first glass substrate, a second glass substrate, and an aerogel layer. The aerogel layer is fixed between the first glass substrate and the second glass substrate. The first glass substrate is located on a side away from the interior of the ship, and the second glass substrate is located on a side close to the interior of the ship. The aerogel layer is a titanium oxide-doped silicon aerogel layer, and the pore size of the aerogel layer gradually decreases from the first glass substrate to the second glass substrate.

[0008] According to an optional embodiment, the pore size of the aerogel layer gradually decreases from 500 nm to 10 nm in a direction from the first glass substrate to the second glass substrate.

[0009] According to an optional embodiment, the pore size of the aerogel layer gradually decreases from 240 nm to 80 nm from the first glass substrate to the second glass substrate.

[0010] A second aspect of the present invention provides a method for preparing ship glass.

[0011] The method for preparing the ship glass according to any one of the technical solutions of the present invention comprises the following steps:

[0012] Step 100: preparing an aerogel layer, wherein the aerogel layer is a titanium oxide-doped silicon aerogel layer, and the pore size of the aerogel layer gradually decreases from one side to the other side;

[0013] Step 200: fixing the aerogel layer on the first glass substrate, and laminating the side of the aerogel layer with a larger pore size to the first glass substrate;

[0014] Step 300: attaching a second glass substrate to the side of the aerogel layer with a smaller pore size and curing the aerogel layer so that the aerogel layer is fixed between the first glass substrate and the second glass substrate.

[0015] According to an optional embodiment, the method for preparing the ship glass further comprises the following steps:

[0016] Step 400: coating a protective layer on the exposed surface of the aerogel layer, and curing the protective layer.

[0017] According to an optional embodiment, preparing the aerogel layer comprises the following steps:

[0018] Step 110: Tetraethoxysilane, ethanol, and deionized water are mixed to obtain a mixture, and different amounts of tetrabutyl titanate are added to the mixture to perform a sol-gel reaction to form a first silica aerogel precursor and a second silica aerogel precursor containing titanium oxide, wherein the content of tetrabutyl titanate in the first silica aerogel precursor is higher than the content of tetrabutyl titanate in the second silica aerogel precursor;

[0019] Step 120: Add equal volumes of a first silica aerogel precursor and a second silica aerogel precursor to the first container and the second container, respectively, transfer the second silica aerogel precursor to a third container, and inject the first aerogel precursor into the bottom of the third container using a syringe;

[0020] Step 130: placing the third container on a rotating table and rotating it, and mixing the first silicon aerogel precursor and the second silicon aerogel precursor in the third container to form a solution with a concentration gradient distribution;

[0021] Step 140: After the rotation is completed, the solution obtained in step 130 is subjected to solvent exchange;

[0022] Step 150: Using ultraviolet light to gel the solution to obtain a gel, and drying the gel to remove the solvent to obtain the aerogel layer.

[0023] According to an optional embodiment, in step 110, after tetrabutyl titanate is mixed with tetraethoxysilane, ethanol and deionized water, an alkaline substance is added to the mixed solution to adjust the pH of the mixed solution to 7-8.

[0024] According to an optional embodiment, in the first silica aerogel precursor, the mass ratio of tetraethoxysilane, ethanol, deionized water and tetrabutyl titanate is 1:4:2:2.5-6; in the second silica aerogel precursor, the mass ratio of tetraethoxysilane, ethanol, deionized water and tetrabutyl titanate is 1:4:2:1-1.5.

[0025] According to an optional embodiment, in step 130, the tilt angle α of the third container is 10-15°; the rotation speed of the turntable is 10 r / min, and the rotation time of the turntable is 6-8 min.

[0026] According to an optional embodiment, in step 140, the solution obtained in step 130 is immersed in ethanol, and the ethanol is replaced once a day. After 1 to 3 replacements, the solvent exchange is completed.

[0027] The technical solution adopted by the present invention can achieve the following beneficial effects:

[0028] First, the marine glass of the present invention includes an aerogel layer, which has excellent thermal insulation properties and effectively reduces heat conduction. Furthermore, the aerogel layer is a titanium oxide-doped silica aerogel layer. By incorporating titanium oxide into the aerogel layer, the aerogel layer's UV-blocking capability is enhanced, significantly reducing the rate of UV rays penetrating the vessel's interior through the glass. Thus, the marine glass of the present invention, including the titanium oxide-doped silica aerogel layer, effectively protects the vessel's interior decorative materials from UV radiation, slowing the aging and fading of interior materials. It also significantly reduces the heat load on the vessel's interior under strong sunlight, further enhancing the overall thermal insulation and service life.

[0029] Secondly, the pore size of the aerogel layer of the ship glass of the present invention gradually decreases from the outside of the ship to the inside of the ship. The pore size near the outside of the ship is larger, and the larger pore size can play a sound-absorbing role, thereby effectively reducing the transmission of noise outside the ship; the pore size near the inside of the ship is smaller, which can make the aerogel layer have excellent thermal insulation properties, reduce heat transfer, and control the temperature inside the ship.

[0030] It can be seen that the ship glass of the present invention has titanium oxide-doped aerogel, and the aerogel has a gradient pore size, which can not only effectively block ultraviolet rays, but also improve the heat insulation and sound absorption effects of the ship glass while ensuring good light transmission performance. This solves the technical problems of ship glass in the related art, such as poor heat insulation performance, the inability to balance sound absorption and light transmission performance, and weak protection against ultraviolet rays. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0032] Figure 1 This is a schematic structural diagram of the ship glass according to an embodiment of the present application;

[0033] Figure 2 This is a process flow chart for preparing an aerogel layer according to an embodiment of the present application.

[0034] In the figure: 110, a first glass substrate; 120, a second glass substrate; 130, an aerogel layer; 210, a first container; 220, a second container; 230, a third container; 240, a rotating table. DETAILED DESCRIPTION

[0035] To make the objectives, technical solutions, and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other implementations obtained by those of ordinary skill in the art without inventive effort are within the scope of protection of the present invention.

[0036] The terms "first," "second," and the like in the specification and claims of this application are used to distinguish similar objects, and are not used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments of this application can be implemented in an order other than that illustrated or described herein, and that the objects distinguished by "first," "second," and the like are generally of the same type, and do not limit the number of objects; for example, the first object can be one or more. In addition, the term "and / or" in the specification and claims refers to at least one of the connected objects, and the character " / " generally indicates that the objects connected are in an "or" relationship.

[0037] Conventional marine glass suffers from technical issues such as poor thermal insulation, a balance between sound absorption and light transmission, and weak UV protection. The marine glass of the present application incorporates an aerogel layer between a first and a second glass substrate. The aerogel layer is a titanium oxide-doped silica aerogel layer, and the pore size of the aerogel layer gradually decreases from the outer side of the ship to the inner side.

[0038] The marine glass of this application features an aerogel layer, a titanium oxide-doped silica aerogel layer. This layer not only improves the thermal insulation performance of the marine glass but also enhances its UV-blocking capabilities, significantly reducing the impact of UV rays on the interior of the vessel. This protects the interior decorative materials while slowing down the aging and fading of the interior. Furthermore, the pore size of the aerogel layer gradually decreases from the outer side of the vessel to the inner side. This gradient pore size also enhances the thermal insulation and sound absorption properties of the marine glass while maintaining good light transmission.

[0039] That is, the ship glass of the present application has an aerogel layer, which makes the ship glass a high-performance ship glass that integrates heat insulation, sound absorption and light transmission adjustment functions, providing an effective solution for achieving green energy saving in the shipbuilding industry, improving driving comfort and extending the life of ship interiors.

[0040] The following is combined with Figure 1 and Figure 2 , the ship glass and its preparation method provided in this application are described in detail.

[0041] The ship glass of the present invention comprises a first glass substrate 110, a second glass substrate 120 and an aerogel layer 130. The aerogel layer 130 is fixed between the first glass substrate 110 and the second glass substrate 120. Figure 1 As shown. For example, the first glass substrate 110 is a high-transmittance glass substrate known in the art, having a high optical transmittance for providing a transparent field of view. For example, the optical transmittance of the first glass substrate 110 is greater than 80%. The second glass substrate 120 is primarily used to ensure structural stability and durability. It is understood that the second glass substrate 120 may also be a high-transmittance glass substrate.

[0042] In some embodiments, the first glass substrate 110 is located away from the interior of the ship, the second glass substrate 120 is located closer to the interior of the ship, and the aerogel layer 130 is a titanium oxide-doped silica aerogel layer 130. The pore size of the aerogel layer 130 gradually decreases from the first glass substrate 110 to the second glass substrate 120. The interior of the ship refers to the interior of the ship's cabin. In other words, the first glass substrate 110 is closer to the external environment, and the second glass substrate 120 is closer to the interior of the ship's cabin.

[0043] The pore size of the aerogel layer 130 gradually decreases from the first glass substrate 110 to the second glass substrate 120. That is, the aerogel layer 130 has multiple pore sizes from the first glass substrate 110 to the second glass substrate 120, and the multiple pore sizes gradually decrease, so that the aerogel layer 130 forms a gradient pore structure.

[0044] Exemplarily, the pore size of the aerogel layer 130 decreases from 500 nm to 10 nm, and the porosity decreases from 90% to 60% from the first glass substrate 110 to the second glass substrate 120. Preferably, the pore size of the aerogel layer 130 is between 20 nm and 500 nm near the first glass substrate 110, and between 10 nm and 100 nm near the second glass substrate 120. Preferably, the pore size of the aerogel layer decreases from 240 nm to 80 nm from the first glass substrate to the second glass substrate.

[0045] The marine glass of the present invention includes an aerogel layer 130, which has excellent thermal insulation properties and effectively reduces heat conduction. Furthermore, the aerogel layer 130 is a titanium oxide-doped silica aerogel layer. By incorporating titanium oxide into the aerogel layer 130, the aerogel layer 130 enhances its UV-blocking capability, significantly reducing the rate of UV rays penetrating the vessel's interior through the glass. Thus, the marine glass of the present invention, including the titanium oxide-doped silica aerogel layer 130, effectively protects the vessel's interior decorative materials from UV radiation, slowing down the aging and fading of these materials. It also significantly reduces the heat load on the vessel's interior under strong sunlight, further enhancing the overall thermal insulation and service life.

[0046] In addition, the pore size of the aerogel layer 130 of the ship glass of the present invention gradually decreases from the outside of the ship to the inside of the ship. The pore size near the outside of the ship is larger, and the larger pore size can play a sound-absorbing role, thereby effectively reducing the transmission of noise outside the ship; the pore size near the inside of the ship is smaller, which can make the aerogel layer 130 have excellent thermal insulation performance, reduce heat transfer, and control the temperature inside the ship.

[0047] The ship glass of the present invention comprises an aerogel layer 130 doped with titanium oxide, and the aerogel layer 130 has a gradient pore size, which not only effectively blocks ultraviolet rays but also enhances the heat insulation and sound absorption effects of the ship glass while ensuring good light transmission performance. In addition, the ship glass of the present invention improves the compressive strength and impact resistance of the aerogel layer 130 through the gradient pore structure and the introduction of titanium oxide.

[0048] The method for preparing the ship glass according to any one of the technical solutions of the present invention comprises the following steps:

[0049] Step 100: preparing an aerogel layer 130 . The aerogel layer 130 is a silicon aerogel layer 130 doped with titanium oxide. The pore size of the aerogel layer 130 gradually decreases from one side to the other side.

[0050] Step 200 : fixing the aerogel layer 130 on the first glass substrate 110 , and laminating the side of the aerogel layer 130 with a larger pore size to the first glass substrate 110 .

[0051] Step 300 : attaching the second glass substrate 120 to the side of the aerogel layer 130 with a smaller pore size and curing the aerogel layer 130 so that the aerogel layer 130 is fixed between the first glass substrate 110 and the second glass substrate 120 .

[0052] In some embodiments, fixing the aerogel layer 130 to the first glass substrate 110 and the second glass substrate 120 includes the following steps:

[0053] First, an optically transparent silicone rubber with high light transmittance and strong adhesion is selected and evenly applied to the inner surface of the first glass substrate 110, ensuring a uniform and bubble-free adhesive layer. Exemplarily, the adhesive layer is applied to a thickness of 50 μm to 200 μm, which ensures the structural stability and good light transmittance of the aerogel layer 130. Next, the prepared aerogel layer 130 is placed on the adhesive-coated first glass substrate 110. Gently press the aerogel layer 130 to ensure full contact with the first glass substrate 110 while avoiding structural damage or pore deformation in the aerogel layer 130. Finally, the second glass substrate 120 is attached to the other side of the aerogel layer 130, and a press machine is used to apply uniform pressure to ensure a tight bond across the entire composite structure and avoid interfacial defects caused by localized stress concentration. Finally, after lamination, the assembly is cured at room temperature or an appropriate temperature. The curing time varies depending on the adhesive type, typically for at least 24 hours, to ensure complete curing and optimal bonding.

[0054] In some embodiments, the method for preparing marine glass further includes the steps of applying a protective layer to the exposed surface of the aerogel layer 130 and curing the protective layer. Exemplarily, the protective layer is a scratch-resistant layer and / or a hydrophobic coating. The protective layer is applied to the exposed surface of the aerogel layer 130 using a spray or brush coating process to ensure uniformity and continuity. After coating, the protective layer is cured using methods such as heat treatment or UV curing to enhance adhesion and durability. The protective layer effectively improves the surface anti-fouling and self-cleaning properties of the glass component, while also extending its service life.

[0055] The ship glass of the present invention can also improve the weather resistance and durability of the aerogel layer 130 by providing a protective layer and a gradient pore size, and can adapt to complex climate environments.

[0056] Figure 2 FIG. 1 shows a process flow chart for preparing the aerogel layer 130 of the present invention. Figure 2 As shown, preparing the aerogel layer 130 includes the following steps:

[0057] Step 110: Tetraethoxysilane, ethanol, and deionized water are mixed to obtain a mixture, and different amounts of tetrabutyl titanate are added to the mixture to perform a sol-gel reaction to form a first silica aerogel precursor and a second silica aerogel precursor containing titanium oxide, wherein the content of tetrabutyl titanate in the first silica aerogel precursor is higher than the content of tetrabutyl titanate in the second silica aerogel precursor.

[0058] Preferably, after tetrabutyl titanate is mixed with tetraethoxysilane, ethanol, and deionized water, an alkaline substance is added to the mixed solution to adjust the pH of the mixed solution to 7-8. Exemplarily, the alkaline substance is aqueous ammonia. Adjusting the pH of the mixed solution to 7-8 can promote the hydrolysis and condensation reactions of tetraethoxysilane, thereby ensuring the smooth progress of the sol-gel reaction.

[0059] Preferably, in the first silica aerogel precursor, the mass ratio of tetraethoxysilane, ethanol, deionized water and tetrabutyl titanate is 1:4:2:2.5-6; in the second silica aerogel precursor, the mass ratio of tetraethoxysilane, ethanol, deionized water and tetrabutyl titanate is 1:4:2:1-1.5.

[0060] Step 120: Equal volumes of a first silica aerogel precursor and a second silica aerogel precursor are added to the first container 210 and the second container 220, respectively. The second silica aerogel precursor is transferred to the third container 230, and the first aerogel precursor is injected into the bottom of the third container 230 using a syringe. For example, the first container 210, the second container 220, and the third container 230 may be centrifuge tubes.

[0061] Specifically, after injecting the first aerogel precursor into the bottom of the third container 230 using a syringe, the syringe is quickly withdrawn and the cap is replaced to prevent excess air from entering the third container 230 , thereby preventing the aerogel precursor from being easily broken during drying due to excess air.

[0062] Step 130: Tilt the third container 230 onto a rotating table 240 and rotate it. The first and second silica aerogel precursors in the third container 230 are mixed to form a solution with a concentration gradient. A solution with a concentration gradient has multiple concentrations that gradually change.

[0063] Preferably, the tilt angle α of the third container 230 is 10-15°; the rotation speed of the rotating platform 240 is 10 rpm, and the rotation time of the rotating platform 240 is 6-8 minutes. Exemplarily, the tilt angle α of the third container 230 is 10°, 11°, 12°, 13°, 14°, or 15°. The tilt angle of the third container 230 refers to the angle between the third container 230 and the horizontal direction, or the angle between the third container 230 and the rotating platform 240.

[0064] After the third container 230 is tilted and rotated, the third container 230 is placed vertically, so that the first silicon aerogel precursor and the second silicon aerogel precursor are mixed to form a solution with a concentration gradient distribution.

[0065] Step 140: After the rotation is completed, the solution obtained in step 130 is subjected to solvent exchange.

[0066] Specifically, the solution obtained in step 130 is immersed in ethanol, and the ethanol is replaced once a day. After 1 to 3 replacements, the solvent exchange is completed, and the original solvent tetraethoxysilane in the solution can be replaced with ethanol.

[0067] Step 150: Using ultraviolet light to gel the solution to obtain a gel, and drying the gel to remove the solvent to obtain an aerogel layer.

[0068] Specifically, after the solvent replacement is completed, ultraviolet light is used to accelerate the curing of the solution. For example, the ultraviolet light irradiation time is 2 days.

[0069] Before drying, a solvent exchange step can be used to remove low-boiling-point solvents such as silane from the gel, preventing crack formation during the drying process and reducing the generation of stress in the aerogel network. This allows the present invention to remove the solvent without damaging the aerogel structure, thereby retaining its high porosity and excellent thermal insulation properties while maintaining the mechanical strength and transparency of the aerogel.

[0070] The performance of the marine glass of the present application is described in detail below with reference to Examples 1 to 3.

[0071] Example 1

[0072] The method for preparing the ship glass of this embodiment includes the following steps:

[0073] Step 100: Tetraethoxysilane, ethanol, and deionized water are uniformly mixed, tetrabutyl titanate is added to the mixture, and the mass ratio of tetraethoxysilane, ethanol, deionized water, and tetrabutyl titanate is adjusted to 1:4:2:6. Ammonia water is added to adjust the pH of the solution to 7.2, and a sol-gel reaction is performed to obtain a first silicon aerogel precursor containing titanium oxide.

[0074] Tetraethoxysilane, ethanol and deionized water are uniformly mixed, tetrabutyl titanate is added to the mixture, and the mass ratio of tetraethoxysilane, ethanol, deionized water and tetrabutyl titanate is 1:4:2:1. Ammonia water is added to adjust the pH of the solution to 7.2, and a sol-gel reaction is carried out to obtain a second silica aerogel precursor containing titanium oxide.

[0075] Equal volumes of the first and second silica aerogel precursors were added to the first and second containers 210, 220, respectively. The second silica aerogel precursor was transferred to the third container 230. The first aerogel precursor was injected into the bottom of the third container 230 using a syringe. The syringe was quickly withdrawn and capped. The third container 230 was placed on a rotating table 240 at an angle of 15°. The rotating table 240 was rotated at a speed of 10 rpm for 8 minutes.

[0076] After the rotation is complete, the mixed solution is immersed in ethanol, with the ethanol replaced once daily. After two replacements, the solvent exchange is complete. The solution is then irradiated with ultraviolet light for two days to gel, forming a gel. The solvent in the gel is then removed using supercritical carbon dioxide drying technology, resulting in an aerogel layer 130.

[0077] The pore size of the aerogel layer 130 obtained in this embodiment gradually decreases from 240 nm to 80 nm.

[0078] The aerogel layer 130 is fixed between the first glass substrate 110 and the second glass substrate 120 to obtain a first sample.

[0079] Example 2

[0080] The difference between this embodiment and embodiment 1 is that when preparing the first silicon aerogel precursor containing titanium oxide, the mass ratio of tetraethoxysilane, ethanol, deionized water and tetrabutyl titanate is 1:4:2:4.5.

[0081] When preparing the second silicon aerogel precursor containing titanium oxide, the mass ratio of tetraethoxysilane, ethanol, deionized water and tetrabutyl titanate is 1:4:2:1.5.

[0082] The pore size of the aerogel layer 130 obtained in this embodiment gradually decreases from 200 nm to 100 nm.

[0083] Example 3

[0084] The difference between this embodiment and embodiment 1 is that when preparing the first silicon aerogel precursor containing titanium oxide, the mass ratio of tetraethoxysilane, ethanol, deionized water and tetrabutyl titanate is 1:4:2:2.5.

[0085] When preparing the second silicon aerogel precursor containing titanium oxide, the mass ratio of tetraethoxysilane, ethanol, deionized water and tetrabutyl titanate is 1:4:2:1.5.

[0086] The pore size of the aerogel layer 130 obtained in this embodiment gradually decreases from 150 nm to 100 nm.

[0087] Comparative Example 1

[0088] The difference between this embodiment and embodiment 1 is that when preparing the first silicon aerogel precursor containing titanium oxide, the mass ratio of tetraethoxysilane, ethanol, deionized water and tetrabutyl titanate is 1:4:2:1.

[0089] When preparing the second silicon aerogel precursor containing titanium oxide, the mass ratio of tetraethoxysilane, ethanol, deionized water and tetrabutyl titanate is 1:4:2:1.

[0090] The average pore size of the aerogel layer 130 obtained in this embodiment is 80 nm.

[0091] The performance of the samples obtained in Examples 1-3 was compared with that of Comparative Example 1 and conventional double-layer insulating glass. The results are shown in Table 1 below. As shown in Table 1, the samples obtained in Examples 1-3 had lower heat transfer coefficients and lower UV transmittances than conventional double-layer insulating glass, while having higher sound insulation than both Comparative Example 1 and conventional double-layer insulating glass. This demonstrates that the marine glass of this application possesses excellent thermal insulation, sound absorption, and UV protection.

[0092] Table 1 Performance comparison results of samples obtained in Examples 1 to 3, Comparative Example 1 and traditional double-layer insulating glass

[0093] sample Heat transfer coefficient (W / m²·K) UV transmittance (%) Sound insulation (dB) Example 1 1.3 12 38 Example 2 1.1 18 36 Example 3 0.8 22 35 Comparative Example 1 0.65 25 33 Traditional double-layer insulating glass 1.5 50 30

[0094] It should be noted that, in this document, the terms "comprises," "includes," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus comprising a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or apparatus comprising the element.

[0095] Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in reverse order depending on the functions involved. For example, the methods described may be performed in an order different from that described, and various steps may be added, omitted, or combined. Furthermore, features described with reference to certain examples may be combined in other examples.

[0096] The above description is only a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with this technical field can easily think of changes or replacements within the technical scope disclosed by the present invention, which should be covered by the scope of protection of the present invention.

Claims

1. A ship glass, characterized in that: The device comprises a first glass substrate, a second glass substrate, and an aerogel layer, wherein the aerogel layer is fixed between the first glass substrate and the second glass substrate, the first glass substrate is located on a side away from the interior of the ship, and the second glass substrate is located on a side close to the interior of the ship. The aerogel layer is a titanium oxide-doped silicon aerogel layer, and the pore size of the aerogel layer gradually decreases from the first glass substrate to the second glass substrate. Wherein, preparing the aerogel layer comprises the following steps: Step 110: Tetraethoxysilane, ethanol, and deionized water are mixed to obtain a mixture, and different amounts of tetrabutyl titanate are added to the mixture to perform a sol-gel reaction to form a first silica aerogel precursor and a second silica aerogel precursor containing titanium oxide, wherein the content of tetrabutyl titanate in the first silica aerogel precursor is higher than the content of tetrabutyl titanate in the second silica aerogel precursor; Step 120: Add equal volumes of a first silica aerogel precursor and a second silica aerogel precursor to the first container and the second container, respectively, transfer the second silica aerogel precursor to a third container, and inject the first aerogel precursor into the bottom of the third container using a syringe; Step 130: placing the third container on a rotating table and rotating it, and mixing the first silicon aerogel precursor and the second silicon aerogel precursor in the third container to form a solution with a concentration gradient distribution; Step 140: After the rotation is completed, the solution obtained in step 130 is subjected to solvent exchange; Step 150: Using ultraviolet light to gel the solution to obtain a gel, and drying the gel to remove the solvent to obtain the aerogel layer.

2. The ship glass according to claim 1, characterized in that: From the first glass substrate to the second glass substrate, the pore size of the aerogel layer gradually decreases from 500 nm to 10 nm.

3. The ship glass according to claim 1 or 2, characterized in that: From the first glass substrate to the second glass substrate, the pore size of the aerogel layer gradually decreases from 240 nm to 80 nm.

4. A method for preparing the ship glass according to any one of claims 1 to 3, characterized in that: The steps include: Step 100: preparing an aerogel layer, wherein the aerogel layer is a titanium oxide-doped silicon aerogel layer, and the pore size of the aerogel layer gradually decreases from one side to the other side; Step 200: fixing the aerogel layer on the first glass substrate, and laminating the side of the aerogel layer with a larger pore size to the first glass substrate; Step 300: attaching a second glass substrate to the side of the aerogel layer with a smaller pore size and curing the aerogel layer so that the aerogel layer is fixed between the first glass substrate and the second glass substrate.

5. The method for preparing ship glass according to claim 4, characterized in that: The following steps are also included: Step 400: coating a protective layer on the exposed surface of the aerogel layer, and curing the protective layer.

6. The method for preparing ship glass according to claim 4, characterized in that: In step 110 , after tetrabutyl titanate is mixed with tetraethoxysilane, ethanol and deionized water, an alkaline substance is added to the mixed solution to adjust the pH of the mixed solution to 7-8.

7. The method for preparing ship glass according to claim 6, characterized in that: In the first silica aerogel precursor, the mass ratio of tetraethoxysilane, ethanol, deionized water and tetrabutyl titanate is 1:4:2:2.5-6; in the second silica aerogel precursor, the mass ratio of tetraethoxysilane, ethanol, deionized water and tetrabutyl titanate is 1:4:2:1-1.

5.

8. The method for preparing ship glass according to claim 4, characterized in that: In step 130 , the tilt angle α of the third container is 10-15°; the rotation speed of the turntable is 10 r / min, and the rotation time of the turntable is 6-8 min.

9. The method for preparing ship glass according to claim 4, characterized in that: In step 140, the solution obtained in step 130 is immersed in ethanol, and the ethanol is replaced once a day. After 1 to 3 replacements, the solvent exchange is completed.

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