CN112644113A - Automobile heat-insulating laminated glass and manufacturing method thereof - Google Patents
Automobile heat-insulating laminated glass and manufacturing method thereof Download PDFInfo
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- CN112644113A CN112644113A CN202011531589.XA CN202011531589A CN112644113A CN 112644113 A CN112644113 A CN 112644113A CN 202011531589 A CN202011531589 A CN 202011531589A CN 112644113 A CN112644113 A CN 112644113A
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- heat
- intermediate film
- insulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
- B32B17/10614—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer comprising particles for purposes other than dyeing
- B32B17/10633—Infrared radiation absorbing or reflecting agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/42—Layered products comprising a layer of synthetic resin comprising condensation resins of aldehydes, e.g. with phenols, ureas or melamines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
- B32B2264/102—Oxide or hydroxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
- B32B2264/105—Metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/402—Coloured
- B32B2307/4026—Coloured within the layer by addition of a colorant, e.g. pigments, dyes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/416—Reflective
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- Joining Of Glass To Other Materials (AREA)
Abstract
The invention provides an automobile heat-insulating laminated glass and a manufacturing method thereof, and particularly relates to the field of automobile and safety glass production, wherein the automobile heat-insulating laminated glass comprises a piece of 2-3 mm bulk-colored float glass, a piece of 2-3 mm common white glass and a heat-insulating intermediate film sandwiched between the two pieces of glass, and is formed by laminating and pressing through a laminated glass production process. The invention greatly improves the performance of the intermediate film. The heat-absorbing particles for absorbing the sunlight near infrared rays are added, so that the heat-insulating property of the intermediate film is increased, the temperature of the intermediate film is increased while the absorbed infrared rays are absorbed, and the thermochromic powder can reach the phase change temperature more easily, so that the reflectivity of the sunlight near infrared rays is increased, the heat balance temperature of the intermediate film is reduced, the secondary heat transfer is relatively reduced, and the blocking rate of the sunlight near infrared rays is higher. And secondly, organic or inorganic pigment, ultraviolet and blue light absorbent are added into the intermediate film color master batch, which is beneficial to more uniform dispersion of the material components in the extrusion process and can effectively prevent the material components from coagulating and caking.
Description
Technical Field
The invention belongs to the field of production of automobile and safety glass, and particularly relates to automobile heat-insulating laminated glass and a manufacturing method thereof.
Background
In recent years, in order to meet the requirements of energy conservation, comfort, safety and privacy, a new generation of functional laminated glass is promoted to replace the traditional automobile glass, and because the performance of the novel automobile glass is obviously superior to that of a glass film, the novel automobile glass also has the tendency of replacing the automobile glass film. The invention aims to provide automobile heat-insulating laminated glass and a manufacturing method thereof, which are used for promoting the renewal of automobile glass.
Disclosure of Invention
In view of the above-mentioned disadvantages, the present invention provides an automotive heat insulating laminated glass and a method for manufacturing the same, which can greatly improve the performance of an interlayer film.
The invention provides the following technical scheme:
the automobile heat-insulating laminated glass comprises a piece of 2-3 mm bulk-colored float glass, a piece of 2-3 mm common white glass and a heat-insulating intermediate film sandwiched between the two pieces of glass, and is formed by laminating and pressing through a laminated glass production process.
Further, the colored glass produced by adding a colorant having heat absorbing property to the raw material of the mass-colored float glass can absorb part of the solar infrared heat radiation, reduce the irradiation intensity of the sunlight and have a visible light transmittance of 40% to 80%.
Furthermore, the heat-insulating intermediate film contains nano cesium tungsten heat-insulating particles, thermochromic nano powder and color master batch.
Further, the heat insulation intermediate film contains heat insulation particles capable of absorbing near infrared rays, including but not limited to nano compounds based on cesium tungsten bronze CsxWO3, and the adding proportion is 0.1-0.5 wt% of the PVB intermediate film.
Further, the heat-insulating intermediate film contains thermochromic nano powder, the thermochromic nano powder is nano-grade vanadium dioxide doped powder with the grain diameter of 60-120 nm,
further, the thermochromic nano powder is tungsten-doped nano vanadium dioxide powder, and the phase change temperature is 30-40 ℃. The addition amount is 0.1-0.5 wt% of the PVB intermediate film.
Furthermore, the heat-insulating intermediate film contains color master batches, and the color master batches are prepared from nano-scale organic or inorganic pigment, ultraviolet absorbent, blue light absorbent, plasticizer and PVB resin powder.
Furthermore, the pigment in the color master batch has the particle size of 60-100 nm, the addition amount is determined according to the requirement of visible light transmittance, and the range of the visible light transmittance is 10-75%.
Furthermore, the color master batch contained in the heat-insulating intermediate film is added with a nano blue light absorbent with an absorption spectrum of 400-450 nm and a particle size of 60-100 nm, and the addition amount is 0.1-0.5 wt% of the PVB intermediate film.
Furthermore, the color master batch contained in the heat-insulating intermediate film is added with a nano ultraviolet absorbent with the spectrum of 280-400 nm and the particle size of 60-100 nm, and the addition amount is 0.1-0.5 wt% of the PVB intermediate film.
Furthermore, the bulk-colored float glass and the common white glass are flat glass or curved glass.
Further, this application adopts three layer construction: the outer layer glass is body-colored float glass, the middle layer is a heat-insulating middle film, and the inner layer glass is transparent white glass, and is manufactured by adopting general laminated glass production equipment and process lamination.
The invention has the beneficial effects that:
the intermediate film realizes the combination of heat insulation, thermochromism, visible light transmittance reduction and privacy, and greatly improves the performance of the intermediate film. The heat-absorbing particles for absorbing the sunlight near infrared rays are added, so that the heat-insulating property of the intermediate film is increased, the temperature of the intermediate film is increased while the absorbed infrared rays are absorbed, and the thermochromic powder can reach the phase change temperature more easily, so that the reflectivity of the sunlight near infrared rays is increased, the heat balance temperature of the intermediate film is reduced, the secondary heat transfer is relatively reduced, and the blocking rate of the sunlight near infrared rays is higher. And secondly, organic or inorganic pigment, ultraviolet and blue light absorbent are added into the intermediate film color master batch, which is beneficial to more uniform dispersion of the material components in the extrusion process and can effectively prevent the material components from coagulating and caking.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a block diagram of the present invention.
Detailed Description
Referring to fig. 1, the automobile heat-insulating laminated glass comprises a piece of 2-3 mm bulk-colored float glass, a piece of 2-3 mm common white glass and a heat-insulating intermediate film sandwiched between the two pieces of glass, and is laminated and pressed according to a common laminated glass production process. The body-colored float glass arranged on the outer layer of the automobile glass can absorb 55-75% of solar infrared radiation and has selectable visible light transmittance; the heat insulation middle film arranged in the middle reflects and absorbs the residual solar infrared heat energy glass penetrating through the outer layer glass, so that more than 99% of the solar infrared heat energy is blocked. The interlayer film of the heat-insulating laminated glass contains nano heat-insulating particles capable of absorbing near infrared rays, such as a nano compound based on cesium tungsten bronze CsxWO3 and nano vanadium dioxide doped powder, so that the interlayer film has double functions of reflecting and absorbing infrared rays, and the nano vanadium dioxide doped powder can generate phase change at the temperature of 30-40 ℃ and reflect solar infrared radiation; the nanometer heat insulation particles can absorb solar near-infrared radiation, simultaneously improve the temperature of the intermediate film, promote phase change, further improve the reflection efficiency of the nanometer vanadium dioxide doped powder, and further improve the heat insulation performance of the glass as a result of combined action.
Organic or inorganic nano pigment for adjusting visible light transmittance is added into the heat insulation intermediate film, and solar radiation heat energy is reduced by reducing the visible light transmittance. Visible light and infrared rays in sunlight respectively account for 50% of total solar radiation energy (the heat energy contained in ultraviolet rays is less than 5% and can be ignored), and the national standard of automobile safety glass only makes the requirement of more than 70% of light transmittance on the parts of an automobile front windshield and an automobile rearview mirror, and has no requirement on other parts of the automobile glass. Therefore, on the premise of maximum blocking of infrared transmission and meeting national standard requirements, the further energy conservation is facilitated by properly reducing the visible light transmittance through transmission. The heat-insulating intermediate film color master batch contains the ultraviolet absorbent, so that the ultraviolet transmittance can be reduced to 0.1%, the organic or inorganic pigment is protected from being degraded by ultraviolet rays and losing efficacy, and the damage of ultraviolet rays to human skin and the damage to automobile seats, interiors and the like are avoided. The heat-insulating intermediate film color master batch contains the nanoscale blue light absorbent, so that the transmittance of harmful blue light with a spectrum of 400-450 nm can be reduced to below 10%, and eyes of people can be effectively protected from being damaged. The heat-insulating intermediate film color master batch contains nano organic or inorganic transparent pigment, has the colors of various commercially available materials and the visible light transmittance which can be selected, such as green, gray, blue, tea, black and other colors, and can meet the personalized privacy requirements of customers.
Detailed description of the invention
Step 1, preparing color master batch: taking 3 parts by weight of a commercially available dry powder ultraviolet absorbent with an absorption spectrum of 280-400 nm and a particle size of 60-100 nm; taking 2 parts by weight of a commercially available dry powder blue-light absorber with an absorption spectrum of 400-450 nm and a particle size of 60-100 nm; taking 65 parts by weight of PVB resin powder with an acetalization degree of 80-83%, and fully stirring and mixing the three components in a dry environment by adopting a three-dimensional rotary powder mixer to obtain 70 parts by weight of mixed powder.
And (2) taking 30 parts by weight of commercially available carbon black dispersion liquid with the particle size of 200-600 nm and the solid content of 20%, finely grinding the carbon black dispersion liquid on a ceramic nano grinding machine to obtain carbon black dispersion liquid with the particle size of 60-100 nm, placing the carbon black dispersion liquid in a vacuum negative pressure rotary evaporation device, selecting proper vacuum degree, temperature and time, evaporating a solvent in the dispersion liquid, and injecting 3GO/3G8 plasticizer with the same weight of the solvent to obtain 30 parts by weight of plasticizer-based pigment slurry.
And mixing, extruding and casting the mixed powder and the color slurry on a PVB production line according to a PVB standard production process to prepare a PVB film, and crushing the prepared PVB film to obtain the required 100 parts by weight of color master batch.
Step 2, preparing heat insulation slurry: putting 70 parts by weight of commercial nano cesium tungsten heat insulation dispersion with solid content of 25% in vacuum negative pressure rotary evaporation equipment, selecting proper vacuum degree, temperature and time, evaporating the solvent in the dispersion, and injecting 3GO/3G8 plasticizer with the same weight of the solvent to obtain 70 parts by weight of plasticizer-based cesium tungsten heat insulation slurry.
Step 3, preparing thermochromic doped powder: 100 parts by weight of commercial tungsten-doped nano vanadium dioxide dispersion liquid with solid content of 5% is placed in vacuum negative pressure rotary evaporation equipment, a proper vacuum degree, temperature and time are selected, a solvent in the dispersion liquid is evaporated, and 3GO/3G8 plasticizer with the same weight of the solvent is injected to obtain 100 parts by weight of plasticizer-based tungsten-doped nano vanadium dioxide dispersion liquid.
Step 4, manufacturing a heat-insulating intermediate film: mixing the components obtained in the step 2 and the step 3 with 130 parts by weight of 3GO/3G 8; the components obtained in step 1 were mixed with 600 parts by weight of resin powder having an acetalization degree of 80% PVB.
And 5, mixing and producing the two components prepared in the step 4 and the auxiliary agent necessary for producing the PVB film according to the standard production process of the PVB film to obtain the heat-insulating intermediate film.
And 6, taking the European gray body colored float glass with the length and width of 1 meter, the thickness of 2.5mm and the visible light transmittance of 50 percent and a piece of white glass with the same size respectively, and preparing the automobile heat-insulating laminated glass according to a standard laminated glass production process.
Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An automobile heat insulation laminated glass is characterized in that: the glass comprises a piece of 2-3 mm bulk-colored float glass, a piece of 2-3 mm common white glass and a heat-insulating intermediate film sandwiched between the two pieces of glass, and is formed by laminating and pressing through a laminated glass production process.
2. The method for manufacturing the automobile heat-insulating laminated glass according to claim 1, characterized in that: bulk-colored float glass is colored glass made by adding a colorant having heat-absorbing properties to the raw materials and has a visible light transmittance of 40% to 80%.
3. The automotive heat-insulating laminated glass according to claim 1, characterized in that: the heat-insulating intermediate film contains nano cesium tungsten heat-insulating particles, thermochromic nano powder and color master batch.
4. The automotive heat-insulating laminated glass according to claim 3, characterized in that: the heat insulation intermediate film contains heat insulation particles capable of absorbing near infrared rays, including but not limited to nano compounds based on cesium tungsten bronze CsxWO3, and the adding proportion is 0.1-0.5 wt% of the PVB intermediate film.
5. An automotive heat insulating laminated glass according to claim 1 or claim 3, characterized in that: the heat-insulating intermediate film contains thermochromic nano powder, and the thermochromic nano powder is nano-grade vanadium dioxide doped powder with the particle size of 60-120 nm.
6. The method for manufacturing the automobile heat-insulating laminated glass according to claim 5, characterized in that: the thermochromic nano powder is tungsten-doped nano vanadium dioxide powder, the phase transition temperature is 30-40 ℃, and the addition amount is 0.1-0.5 wt% of the PVB intermediate film.
7. An automotive heat insulating laminated glass according to claim 1 or claim 3, characterized in that: the heat-insulating intermediate film contains color master batches, wherein the color master batches are prepared from nanoscale organic or inorganic pigment, ultraviolet absorbent, blue light absorbent, plasticizer and PVB resin powder.
8. The automotive heat-insulating laminated glass according to claim 7, characterized in that: the pigment in the color master batch has the particle size of 60-100 nm, the addition amount is determined according to the requirement of visible light transmittance, and the range of the visible light transmittance is 10-75%.
9. The automotive heat-insulating laminated glass according to claim 7, characterized in that: the heat-insulating intermediate film contains color master batches, wherein the color master batches are added with a nano blue light absorber with an absorption spectrum of 400-450 nm and a particle size of 60-100 nm, and the addition amount of the nano blue light absorber is 0.1-0.5 wt% of that of the PVB intermediate film.
10. The automotive heat-insulating laminated glass according to claim 7, characterized in that: the heat-insulation intermediate film contains color master batches, wherein nano ultraviolet absorbers with absorption spectra of 280-400 nm and particle diameters of 60-100 nm are added into the color master batches, and the addition amount of the nano ultraviolet absorbers is 0.1-0.5 wt% of that of the PVB intermediate film; the mass-colored float glass and the common white glass are flat glass or curved glass.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011531589.XA CN112644113A (en) | 2020-12-22 | 2020-12-22 | Automobile heat-insulating laminated glass and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011531589.XA CN112644113A (en) | 2020-12-22 | 2020-12-22 | Automobile heat-insulating laminated glass and manufacturing method thereof |
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| CN112644113A true CN112644113A (en) | 2021-04-13 |
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| CN202011531589.XA Pending CN112644113A (en) | 2020-12-22 | 2020-12-22 | Automobile heat-insulating laminated glass and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114932728A (en) * | 2022-06-02 | 2022-08-23 | 哈尔滨工业大学 | A kind of electrically driven Joule thermochromic laminated glass with adjustable color and preparation method thereof |
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| CN102674713A (en) * | 2012-05-07 | 2012-09-19 | 信义超薄玻璃(东莞)有限公司 | Thermochromic laminated glass and manufacturing method thereof |
| CN104262874A (en) * | 2014-09-20 | 2015-01-07 | 宣英男 | PVB (polyvinyl butyral) film for dynamically rejecting infrared rays and resisting ultraviolet rays and preparation method thereof |
| CN106800379A (en) * | 2015-11-26 | 2017-06-06 | 法国圣戈班玻璃公司 | Laminated glass and its manufacture method, vehicle window |
| CN107531566A (en) * | 2015-05-11 | 2018-01-02 | 旭硝子株式会社 | For motor vehicle insulating window unit and its manufacture method |
| CN109704565A (en) * | 2018-12-30 | 2019-05-03 | 江苏华东耀皮玻璃有限公司 | A kind of pure green glass for side windshield of automobile |
-
2020
- 2020-12-22 CN CN202011531589.XA patent/CN112644113A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102674713A (en) * | 2012-05-07 | 2012-09-19 | 信义超薄玻璃(东莞)有限公司 | Thermochromic laminated glass and manufacturing method thereof |
| CN104262874A (en) * | 2014-09-20 | 2015-01-07 | 宣英男 | PVB (polyvinyl butyral) film for dynamically rejecting infrared rays and resisting ultraviolet rays and preparation method thereof |
| CN107531566A (en) * | 2015-05-11 | 2018-01-02 | 旭硝子株式会社 | For motor vehicle insulating window unit and its manufacture method |
| CN106800379A (en) * | 2015-11-26 | 2017-06-06 | 法国圣戈班玻璃公司 | Laminated glass and its manufacture method, vehicle window |
| CN109704565A (en) * | 2018-12-30 | 2019-05-03 | 江苏华东耀皮玻璃有限公司 | A kind of pure green glass for side windshield of automobile |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114932728A (en) * | 2022-06-02 | 2022-08-23 | 哈尔滨工业大学 | A kind of electrically driven Joule thermochromic laminated glass with adjustable color and preparation method thereof |
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