Anti-deformation low-reflection glass and preparation method thereof

文档序号：607489 发布日期：2021-05-07 浏览：15次中文

阅读说明：本技术 一种抗变形低反射玻璃及其制备方法 (Anti-deformation low-reflection glass and preparation method thereof ) 是由宋兴庭于 2021-01-09 设计创作，主要内容包括：本发明公开了一种抗变形低反射玻璃及其制备方法,包括抗变形低反射玻璃本体,所述抗变形低反射玻璃本体的表面一侧设有第一纳米保护层,所述第一纳米保护层的侧面设有第一磁控溅射膜,所述第一磁控溅射膜的侧面设有第一玻璃原片,所述第一玻璃原片的侧面设有第一特殊处理层,所述第一特殊处理层的侧面设有中间层,所述中间层的侧面设有第二特殊处理层,所述第二特殊处理层的侧面设有第二玻璃原片,所述第二玻璃原片的侧面设有第二磁控溅射膜,所述第二磁控溅射膜的侧面设有第二纳米保护层。本发明的玻璃具有了抗变形抗弯曲性能,有利于加强展柜的密闭性,防止文物保存环境被破坏。(The invention discloses anti-deformation low-reflection glass and a preparation method thereof, and the anti-deformation low-reflection glass comprises an anti-deformation low-reflection glass body, wherein a first nano protective layer is arranged on one side of the surface of the anti-deformation low-reflection glass body, a first magnetron sputtering film is arranged on the side surface of the first nano protective layer, a first glass raw sheet is arranged on the side surface of the first magnetron sputtering film, a first special treatment layer is arranged on the side surface of the first glass raw sheet, an intermediate layer is arranged on the side surface of the first special treatment layer, a second special treatment layer is arranged on the side surface of the intermediate layer, a second glass raw sheet is arranged on the side surface of the second special treatment layer, a second magnetron sputtering film is arranged on the side surface of the second glass raw sheet, and a second nano protective layer is arranged on the side surface of the second magnetron sputtering. The glass has the deformation resistance and bending resistance, is favorable for enhancing the tightness of the showcase and prevents the cultural relic preservation environment from being damaged.)

1. The anti-deformation low-reflection glass comprises an anti-deformation low-reflection glass body (1) and is characterized in that the anti-deformation low-reflection glass body (1) consists of a first nano protective layer (2), a first magnetron sputtering film (3), a first glass original sheet (4), a first special treatment layer (5), an intermediate layer (6), a second special treatment layer (7), a second glass original sheet (8), a second magnetron sputtering film (9) and a second nano protective layer (10), wherein the first nano protective layer (2) is arranged on one side of the surface of the anti-deformation low-reflection glass body (1), the first magnetron sputtering film (3) is arranged on the side of the first nano protective layer (2), the first glass original sheet (4) is arranged on the side of the first magnetron sputtering film (3), the first special treatment layer (5) is arranged on the side of the first glass original sheet (4), an intermediate layer (6) is arranged on the side surface of the first special treatment layer (5), a second special treatment layer (7) is arranged on the side surface of the intermediate layer (6), a second glass original sheet (8) is arranged on the side surface of the second special treatment layer (7), a second magnetron sputtering film (9) is arranged on the side surface of the second glass original sheet (8), and a second nano protection layer (10) is arranged on the side surface of the second magnetron sputtering film (9);

the first nanometer protective layer (2) and the second nanometer protective layer (10) are made of inorganic nanometer silicon oxide as a main body and added with nanometer tin oxide, nanometer tungsten oxide, nanometer platinum and the like, the first magnetron sputtering film (3) and the second magnetron sputtering film (9) are made of nanometer ceramic materials through vacuum magnetron sputtering plating, the first glass sheet (4) and the second glass sheet (8) are made of ultra-white soda-lime silicate float glass, the middle layer (6) is an SGP ionic glass interlayer film, the first special treatment layer (5) and the second special treatment layer (7) are modified polyester resin interlayer glue layers and are made of the following raw materials in percentage by weight: 40-75% of polyester resin, 15-20% of polyurethane resin, 5-10% of silane coupling agent, 2-6% of isopropanol, 1-5% of hardness regulator, 0.5-4% of curing agent, 0.001-0.005% of photosensitizer, 0.01-0.0001% of initiator and the balance of water;

the deformation-resistant low-reflection glass body (1) is prepared by the following steps:

step one, cutting an original sheet: cutting, roughly grinding, cleaning and drying the first glass original sheet (4) and the second glass original sheet (8);

step two, cutting the film: cutting the intermediate layer (6) according to the sizes of the first glass original sheet (4) and the second glass original sheet (8), and cleaning the surfaces of the intermediate layer;

step three, gluing the film: coating modified polyester resin glue layers on two sides of the middle layer (6) to form a first special treatment layer (5) and a second special treatment layer (7);

step four, laminating the interlayer: placing the intermediate layer (6) coated with the first special treatment layer (5) and the second special treatment layer (7) between the first glass original sheet (4) and the second glass original sheet (8) for interlayer lamination to form a laminated glass substrate, and preheating the laminated glass substrate after the lamination is finished;

step five, high-pressure heat sealing: putting the sandwiched and preheated laminated glass substrate into a roller press for heating, rolling, exhausting and edge sealing, then putting the laminated glass substrate into an autoclave for high-pressure heat sealing, wherein the temperature is gradually increased from 50 ℃ to 130-140 ℃ during high-pressure heat sealing, the pressure is gradually increased from 0.1Mpa to 1.25-1.30 Mpa, the temperature is increased for 240-300 min, then the temperature is quickly reduced to 40-45 ℃, the temperature is reduced for 30-40 min, and the intermediate layer (6) is completely bonded with the first glass original sheet (4) and the second glass original sheet (8) into a whole;

step six, vacuum coating: respectively forming a first magnetron sputtering film (3) and a second magnetron sputtering film (9) on the upper surface and the lower surface of the laminated glass subjected to high-pressure heat sealing through vacuum magnetron sputtering coating;

step seven, bonding a protective layer: a first nanometer protective layer (2) and a second nanometer protective layer (10) are bonded on the first magnetron sputtering film (3) and the second magnetron sputtering film (9) to form an anti-deformation low-reflection glass semi-finished product;

step eight, curing and solidifying: curing and solidifying the anti-deformation low-reflection glass semi-finished product, wherein the curing and maintaining temperature is 22-25 ℃, the relative humidity is 50-65%, and the curing time is at least more than 48 hours;

step nine, heat-stretching treatment: the method comprises the following steps of (1) carrying out heat-stretching treatment on a deformation-resistant low-reflection glass semi-finished product by adopting a heat-stretching furnace, wherein the heat-stretching treatment comprises three stages: in the first stage, the temperature is gradually increased from 20-25 ℃ to 35-40 ℃, the temperature increasing time is 5-10 min, the heat preservation temperature is 30-35 ℃, and the constant temperature time is 5-10 min; the temperature of the second stage is gradually increased from 35-40 ℃ to 55-65 ℃, the temperature increasing time is 10-15 min, the heat preservation temperature is 55-60 ℃, and the constant temperature time is 10-15 min; in the third stage, the temperature is gradually increased from 55-65 ℃ to 100-105 ℃, the temperature increasing time is 15-25 min, the heat preservation temperature is 100-105 ℃, and the constant temperature time is 60-75 min;

step ten, surface treatment: polishing, grinding and cleaning the surface to form an anti-deformation low-reflection glass finished product;

step eleven, quality detection: and (4) adopting a glass defect detection device to detect the surface quality.

2. The deformation-resistant low-reflection glass and the preparation method thereof according to claim 1, wherein: the thickness of the first nanometer protective layer (2) and the second nanometer protective layer (10) is 10-15 mu m.

3. The deformation-resistant low-reflection glass and the preparation method thereof according to claim 1, wherein: the first magnetron sputtering film (3) and the second magnetron sputtering film (9) are of a multilayer structure and comprise at least 2 dielectric layers, 2-7 protective layers and at least 1 silver layer, and the thicknesses of the first magnetron sputtering film (3) and the second magnetron sputtering film (9) are 35-250 nm.

4. The deformation-resistant low-reflection glass and the preparation method thereof according to claim 1, wherein: the thickness of the first glass original sheet (4) and the second glass original sheet (8) is 3-15 mm.

5. The deformation-resistant low-reflection glass and the preparation method thereof according to claim 1, wherein: the thickness of the middle layer (6) is 0.89 mm.

The technical field is as follows:

the invention relates to the technical field of glass manufacturing, in particular to anti-deformation low-reflection glass and a preparation method thereof.

Background art:

due to the reasons of external force extrusion, large layout, dead weight of glass and the like, the display cabinet glass generally has bending deformation, and the bending deformation of some glass even reaches 2-3 cm, so that the two glass planes are staggered front and back, the sealing strip is torn, the sealing strip is more and more serious along with the time lapse, and finally a gap is formed between the glass, the sealing property is poor due to the bending problem, the corrosion to cultural relics caused by the temperature and humidity in the display cabinet cannot be ensured, and the cultural relic protection environment is damaged; at present, the working procedure is often compressed when the showcase glass is processed for pursuing the production efficiency, the time for heat seal, maintenance and the like is reduced, the strength and toughness of the processed glass are insufficient, and the glass is easy to bend and deform after being installed; for the display cabinet laminated glass with high requirements on strict control of microenvironment or tightness and light transmission, the existing laminated glass cannot well meet the requirements.

The invention content is as follows:

the invention aims to provide anti-deformation low-reflection glass and a preparation method thereof, and aims to solve the problems that the existing laminated glass proposed in the background art is easy to bend and deform, poor in sealing performance and capable of corroding cultural relics.

In order to achieve the purpose, the invention provides the following technical scheme: the anti-deformation low-reflection glass comprises an anti-deformation low-reflection glass body and is characterized in that the anti-deformation low-reflection glass body consists of a first nano protective layer, a first magnetron sputtering film, a first glass original sheet, a first special treatment layer, an intermediate layer, a second special treatment layer, a second glass original sheet, a second magnetron sputtering film and a second nano protective layer, wherein the first nano protective layer is arranged on one side of the surface of the anti-deformation low-reflection glass body, the first magnetron sputtering film is arranged on the side surface of the first nano protective layer, the first glass original sheet is arranged on the side surface of the first magnetron sputtering film, the first special treatment layer is arranged on the side surface of the first glass original sheet, the intermediate layer is arranged on the side surface of the intermediate layer, the second special treatment layer is arranged on the side surface of the second special treatment layer, and the second glass original sheet is arranged on the side surface of the second special treatment layer, a second magnetron sputtering film is arranged on the side surface of the second glass original sheet, and a second nano protective layer is arranged on the side surface of the second magnetron sputtering film;

the first nanometer protective layer and the second nanometer protective layer are made of inorganic nanometer silicon oxide as a main body and added with nanometer tin oxide, nanometer tungsten oxide, nanometer platinum and the like, the first magnetron sputtering film and the second magnetron sputtering film are made of nanometer ceramic materials through vacuum magnetron sputtering plating, the first glass sheet and the second glass sheet are ultra-white soda-lime silicate float glass, the middle layer is an SGP ionic type glass interlayer film, and the first special treatment layer and the second special treatment layer are modified polyester resin interlayer glue layers and are made of the following raw materials in percentage by weight: 40-75% of polyester resin, 15-20% of polyurethane resin, 5-10% of silane coupling agent, 2-6% of isopropanol, 1-5% of hardness regulator, 0.5-4% of curing agent, 0.001-0.005% of photosensitizer, 0.01-0.0001% of initiator and the balance of water;

the deformation-resistant low-reflection glass body is prepared by the following steps:

step one, cutting an original sheet: cutting, roughly grinding, cleaning and drying the first glass sheet and the second glass sheet;

step two, cutting the film: cutting the intermediate layer according to the sizes of the first glass sheet and the second glass sheet, and cleaning the surface of the intermediate layer;

step three, gluing the film: coating modified polyester resin glue layers on two sides of the middle layer to form a first special treatment layer and a second special treatment layer;

step four, laminating the interlayer: placing the intermediate layer coated with the first special treatment layer and the second special treatment layer between the first glass sheet and the second glass sheet for interlayer lamination to form a laminated glass substrate, and preheating the laminated glass substrate after the lamination is finished;

step five, high-pressure heat sealing: putting the sandwiched and preheated laminated glass substrate into a roller press for heating, rolling, exhausting and edge sealing, then putting the laminated glass substrate into an autoclave for high-pressure heat sealing, wherein the temperature is gradually increased from 50 ℃ to 130-140 ℃ during high-pressure heat sealing, the pressure is gradually increased from 0.1Mpa to 1.25-1.30 Mpa, the temperature is increased for 240-300 min, then the temperature is quickly reduced to 40-45 ℃, the temperature is reduced for 30-40 min, and the SGP film, the first glass original sheet and the second glass original sheet are completely bonded into a whole;

step six, vacuum coating: respectively forming a first magnetron sputtering film and a second magnetron sputtering film on the upper surface and the lower surface of the laminated glass subjected to high-pressure heat sealing through vacuum magnetron sputtering coating;

step seven, bonding a protective layer: adhering a first nanometer protective layer and a second nanometer protective layer on the first magnetron sputtering film and the second magnetron sputtering film to form an anti-deformation low-reflection glass semi-finished product;

step ten, surface treatment: polishing, grinding and cleaning the surface to form an anti-deformation low-reflection glass finished product;

step eleven, quality detection: and (4) adopting a glass defect detection device to detect the surface quality.

Preferably, the thickness of the first nanometer protective layer and the second nanometer protective layer is 10-15 μm.

Preferably, the first magnetron sputtering film and the second magnetron sputtering film are of a multilayer structure and comprise at least 2 dielectric layers, 2-7 protective layers and at least 1 silver layer, and the thicknesses of the first magnetron sputtering film and the second magnetron sputtering film are 35-250 nm.

Preferably, the thickness of the first glass original sheet and the second glass original sheet is 3-15 mm.

Preferably, the thickness of the intermediate layer is 0.89 mm.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the SGP ionic type glass interlayer film with the hardness 100-300 times higher than that of the PVB film is used as the interlayer, so that the first glass original sheet and the second glass original sheet cannot slide when stressed, and the two pieces of glass are like a piece of glass, thereby providing structural support for improving the integral strength of the glass.

2. The invention is provided with the first nanometer protective layer and the second nanometer protective layer which are mainly made of inorganic nanometer silicon oxide, and has the advantages of no water and dust adhesion and easy cleaning.

3. The invention is provided with the first magnetron sputtering film and the second magnetron sputtering film, and is formed by adopting nano ceramic materials through multilayer vacuum magnetron sputtering plating, so that the reflectivity is reduced to 0.8%, the visual field is optimized, the transmittance is not influenced, and the aesthetic effect is improved.

4. The invention is provided with the first special treatment layer and the second special treatment layer, the special treatment layer is made of the modified polyester resin interlayer glue, compared with the acrylic glue, the modified polyester resin interlayer glue has low production cost, the mechanical indexes of the glue layer such as tensile strength, peeling strength, elongation and the like are all superior to the acrylic glue, and the bonding strength of the invention is improved.

5. The preparation method disclosed by the invention strengthens the process control requirement of high-pressure heat sealing, the temperature and the pressure need to be gradually and slowly increased during high-pressure heat sealing, and the heat sealing time is 240-300 min, so that the intermediate layer SGP film, the first glass sheet and the second glass sheet are completely bonded into a whole, the overall strength is improved, and a powerful support in the process is provided for improving the bending resistance of glass.

6. The preparation method provided by the invention is additionally provided with a maintenance hot-sealing process, the glass is maintained for more than 48 hours after heat sealing, the glass is fully and stably cured, and the hot-sealing treatment is carried out in three stages of 105-150 min, so that the glass film layer is stretched and tightened, a good visual effect is achieved, each layer of glass is further bonded, and the strength and toughness of the glass are further enhanced.

7. The glass manufactured by the interlayer structure technology and the preparation method is used for the showcase, has the deformation resistance and bending resistance, and has the advantages that under the condition of equal load and equal thickness, the bending distance of the initial horizontal pressure pole of the glass is smaller than 38% of that of the common glass, and the bending distance of the final horizontal pressure pole of the glass is smaller than 29% of that of the common glass, so that the airtightness of the showcase is enhanced, and the cultural relic preservation environment is prevented from being damaged.

Description of the drawings:

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic view of the preparation process of the present invention.

In the figure: 1. a deformation-resistant low-reflection glass body; 2. a first nano-protection layer; 3. a first magnetron sputtering film; 4. a first glass original sheet; 5. a first special treatment layer; 6. an intermediate layer; 7. a second special treatment layer; 8. a second glass original sheet; 9. a second magnetron sputtering film; 10. and a second nano protective layer.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

an anti-deformation low-reflection glass and a preparation method thereof, comprising an anti-deformation low-reflection glass body (1), it is characterized in that one side of the surface of the anti-deformation low-reflection glass body (1) is provided with a first nano protective layer (2), a first magnetron sputtering film (3) is arranged on the side surface of the first nanometer protective layer (2), a first glass original sheet (4) is arranged on the side surface of the first magnetron sputtering film (3), the side surface of the first glass original sheet (4) is provided with a first special processing layer (5), the side surface of the first special processing layer (5) is provided with an intermediate layer (6), the side surface of the intermediate layer (6) is provided with a second special processing layer (7), the side surface of the second special processing layer (7) is provided with a second glass original sheet (8), a second magnetron sputtering film (9) is arranged on the side surface of the second glass original sheet (8), a second nano protective layer (10) is arranged on the side surface of the second magnetron sputtering film (9);

the preparation method of the deformation-resistant low-reflection glass body (1) comprises the following steps:

step one, cutting an original sheet: cutting, roughly grinding, cleaning and drying the first glass original sheet (4) and the second glass original sheet (8);

step three, gluing the film: coating modified polyester resin glue layers on two sides of the middle layer (6) to form a first special treatment layer (5) and a second special treatment layer (7);

step five, high-pressure heat sealing: putting the sandwiched glass substrate after the clamping preheating into a roller press for heating rolling, exhausting and edge sealing, and then putting into a high-pressure kettle for high-pressure heat sealing to completely bond the middle layer (6) with the first glass original sheet (4) and the second glass original sheet (8) into a whole;

step eight, curing and solidifying: curing the anti-deformation low-reflection glass semi-finished product for more than 48 hours;

step nine, heat-stretching treatment: carrying out heat-stretching treatment on the anti-deformation low-reflection glass semi-finished product;

step ten, surface treatment: polishing, grinding and cleaning the surface to form an anti-deformation low-reflection glass finished product;

step eleven, quality detection: and (4) adopting a glass defect detection device to detect the surface quality.

The intermediate layer (6) is an SGP ionic type glass laminated film, and the thickness of the intermediate layer (6) is 0.89 mm.

The first nanometer protective layer (2) and the second nanometer protective layer (10) are made of inorganic nanometer silicon oxide as a main body and added with nanometer tin oxide, nanometer tungsten oxide, nanometer platinum and the like, and the thickness of the first nanometer protective layer (2) and the thickness of the second nanometer protective layer (10) are 10 micrometers.

The first magnetron sputtering film (3) and the second magnetron sputtering film (9) are formed by plating nano ceramic materials through vacuum magnetron sputtering, the first magnetron sputtering film (3) and the second magnetron sputtering film (9) are of a multilayer structure and comprise 2 dielectric layers, 2 protective layers and 1 silver layer, and the thicknesses of the first magnetron sputtering film (3) and the second magnetron sputtering film (9) are 35 nm.

The first glass original sheet (4) and the second glass original sheet (8) are ultra-white soda-lime-silicate float glass, and the thickness of the first glass original sheet (4) and the thickness of the second glass original sheet (8) are 3 mm.

The first special treatment layer (5) and the second special treatment layer (7) are modified polyester resin interlayer glue layers and are prepared from the following raw materials in percentage by weight: 40% of polyester resin, 20% of polyurethane resin, 10% of silane coupling agent, 6% of isopropanol, 5% of hardness regulator, 4% of curing agent, 0.001% of photosensitizer, 0.01% of initiator and the balance of water.

And step five, gradually raising the temperature from 50 ℃ to 130 ℃ during high-pressure heat sealing, gradually raising the pressure from 0.1MPa to 1.25MPa for 240min, and then quickly lowering the temperature to 40 ℃ for 30 min.

And step eight, maintaining at 22 ℃ and 50% of relative humidity for 48 h.

Step nine, the heat-stretching treatment comprises three stages:

in the first stage, the temperature is gradually increased from 20 ℃ to 35 ℃, the temperature is increased for 5min, the heat preservation temperature is 30 ℃, and the constant temperature time is 5 min;

in the second stage, the temperature is gradually increased from 35 ℃ to 55 ℃, the temperature is increased for 10min, the heat preservation temperature is 55 ℃, and the constant temperature time is 10 min;

and in the third stage, the temperature is gradually increased from 55 ℃ to 100 ℃, the temperature is increased for 15min, the heat preservation temperature is 100 ℃, and the constant temperature time is 60 min.

Step nine, the hot stretching device adopts a hot stretching furnace.

Example 2: