CN108329862B - Mirror surface explosion-proof membrane - Google Patents
Mirror surface explosion-proof membrane Download PDFInfo
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- CN108329862B CN108329862B CN201810141704.9A CN201810141704A CN108329862B CN 108329862 B CN108329862 B CN 108329862B CN 201810141704 A CN201810141704 A CN 201810141704A CN 108329862 B CN108329862 B CN 108329862B
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- Prior art keywords
- mirror
- layer
- explosion
- proof
- proof membrane
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
- C09J2301/162—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer the carrier being a laminate constituted by plastic layers only
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2433/00—Presence of (meth)acrylic polymer
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2433/00—Presence of (meth)acrylic polymer
- C09J2433/006—Presence of (meth)acrylic polymer in the substrate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2475/00—Presence of polyurethane
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2483/00—Presence of polysiloxane
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Laminated Bodies (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present case relates to a mirror surface rupture membrane, it includes from top to bottom: the protective layer, the main film layer, the mirror layer, the grating layer, the pressure-sensitive adhesive layer and the release film layer; the mirror layer is formed by coating mirror ink, and the mirror ink comprises: 28-35% of acrylic resin, 25-33% of butanone, 15-20% of butyl acetate, 0.2-0.3% of dispersing agent, 0.2-0.3% of heat stabilizer, 4-5% of silica sol, 4-6% of flaky glass powder and 7-9% of polyisocyanate; the grating layer material is polymethyl methacrylate containing 2-3% of photochromic agent; the grating layer consists of a group of transparent resin stripes which are arranged in parallel; this case mirror surface rupture membrane has better mirror surface effect, and rupture effect is superior to ordinary rupture membrane, and the grating layer can be effectual regulation light transmissivity when light intensity changes, can not reduce rupture membrane's penetrating sense simultaneously again, has low in manufacturing cost, does not influence wireless signal, anticorrosive durable, advantage such as explosion-proof effect is good.
Description
Technical Field
The invention belongs to the technical field of membranes, and particularly relates to a mirror surface explosion-proof membrane.
Background
The explosion-proof film can play a role in preventing glass from splashing when the glass cover plate is broken, so the explosion-proof film is widely applied, and particularly has wide application in the fields of automobiles, photovoltaics and electronic equipment;
the explosion-proof membranes are various, and some explosion-proof membranes have single color and cannot be matched with the color of the environment, so that the public demand cannot be met; some rupture membranes are weak in light reflection and light transmission performance, and generally speaking, the ubiquitous problems of the conventional rupture membranes are as follows: poor transparency, poor weather resistance, insufficient ultraviolet resistance, poor heat insulation effect, incapability of adjusting internal light according to the intensity of an external light source, low surface hardness, incapability of resisting abrasion and the like.
The explosion-proof film with the mirror effect appeared in recent years is very popular in the market, but at present, the mirror layer of the mirror explosion-proof film generally adopts a metal evaporation or magnetron sputtering method to form a metal reflecting layer on the explosion-proof film substrate, the permeability is poor, and the existence of the metal reflecting layer can influence wireless signals and influence the communication quality in a vehicle.
Disclosure of Invention
The invention aims to provide an explosion-proof film with a mirror effect and optical refraction characteristics.
Another object of the present invention is to provide an explosion-proof membrane which can adjust light reflectivity and light transmissivity according to the intensity of an external light source.
In order to solve the technical problem, the invention discloses a mirror explosion-proof membrane, which comprises from top to bottom: the protective layer, the main film layer, the mirror layer, the grating layer, the pressure-sensitive adhesive layer and the release film layer;
the mirror layer is formed by coating mirror ink, and the mirror ink comprises: 28-35% of acrylic resin, 25-33% of butanone, 15-20% of butyl acetate, 0.2-0.3% of dispersing agent, 0.2-0.3% of heat stabilizer, 4-5% of silica sol, 4-6% of flaky glass powder and 7-9% of polyisocyanate;
the grating layer is made of transparent resin, the transparent resin is polymethyl methacrylate containing 2-3% of photochromic agent, and the photochromic agent is strontium titanate: silver bromide ═ 1: 8-10 of mixed crystal powder; the grating layer consists of a group of transparent resin stripes which are arranged in parallel, the width of each stripe is 10-30 mu m, the thickness of each stripe is 10-20 mu m, and the interval between every two adjacent stripes is 80-150 mu m; the stripes are twill and form an included angle of 10-60 degrees with the horizontal base line; each stripe is composed of a plurality of discontinuous line segments, and the length of each line segment is 5-8 cm.
Preferably, the mirror surface explosion-proof membrane has a visible light transmittance of 50% -90%.
Preferably, the mirror explosion-proof membrane has a reflectivity of 10% -50%.
Preferably, the mirror explosion-proof membrane, wherein the protective layer is made of acrylonitrile-butadiene-styrene copolymer resin.
Preferably, the mirror explosion-proof membrane, wherein the thickness of the protective layer is 2 μm to 5 μm.
Preferably, the mirror surface explosion-proof membrane is characterized in that the hardness of the protective layer is more than or equal to 2H.
Preferably, the mirror surface explosion-proof membrane, wherein, the main membrane layer is a PET material.
Preferably, the mirror explosion-proof membrane, wherein the thickness of the main membrane layer is 100 μm-300 μm.
Preferably, the mirror explosion-proof membrane, wherein the material of the pressure sensitive adhesive layer is one or a combination of polyurethane resin, silicone resin or acrylic resin.
Preferably, the mirror explosion-proof membrane, wherein the thickness of the pressure sensitive adhesive layer is 150 μm-250 μm.
Has the advantages that:
the mirror surface explosion-proof membrane has a good mirror surface effect, can show a slight colorful effect under proper curvature and light angle due to the existence of the grating layer, can play a role similar to a reinforcing rib due to the existence of the grating layer, and has an explosion-proof effect superior to that of a common explosion-proof membrane.
Drawings
FIG. 1 is a schematic cross-sectional view of a mirror-surface explosion-proof membrane.
Detailed Description
The present invention is further described in detail below with reference to examples so that those skilled in the art can practice the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," when used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Example 1
As shown in fig. 1, the mirror explosion-proof membrane comprises, from top to bottom: the optical grating film comprises a protective layer 1, a main film layer 2, a mirror layer 3, a grating layer 4, a pressure-sensitive adhesive layer 5 and a release film layer 6;
the mirror layer 3 is formed by coating mirror ink, and the mirror ink comprises: 30% of acrylic resin, 30% of butanone, 20% of butyl acetate, 0.2% of dispersing agent, 0.3% of heat stabilizer, 5% of silica sol, 5.5% of flaky glass powder and 9% of polyisocyanate; wherein the dispersant used is BYK-P104S, Germany Bike; the heat stabilizer is Pasteur Tinuvin622 LD; the silica sol is ethanol silica sol ND-0104, the content of silicon dioxide is 30%, Suzhou Nadi microelectronics;
the silica sol and the flaky glass powder play an important role in forming the mirror surface effect, and it is worth explaining that the metal mirror surface layer is superior to the metal mirror surface layer prepared by adopting a magnetron sputtering technology or a metal evaporation technology in the mirror surface effect of the mirror surface layer, but the metal mirror surface layer can also show a certain colorful effect and is lower in manufacturing cost, in addition, the mirror surface layer avoids shielding of metal to signals, and the wireless signal transmittance is higher than that of a common mirror surface explosion-proof film by more than 5%.
The grating layer 4 is made of transparent resin, and the transparent resin is polymethyl methacrylate containing 3% of photochromic agent; the photochromic agent is strontium titanate: silver bromide ═ 1: 10 of mixed crystal powder; the photochromic agent is selected from high-purity strontium titanate with a nominal particle size of 110 μm, produced by Fujian Gengtian company, and analytically pure silver bromide model 7785-23-1, produced by Shanghai Michelin company. The addition of a small amount of strontium titanate can deepen the photochromic effect of silver bromide, promote the inversion speed after the photochromic reaction of the silver bromide at low temperature, and ensure that the absorptivity of ultraviolet reaches more than 99 percent, so that the mirror explosion-proof film has better adaptability to places where the ambient light changes frequently.
The grating layer 4 is composed of a group of transparent resin stripes 401 arranged in parallel, the width of each stripe is 30 μm, the thickness of each stripe is 10 μm, and the interval 402 between adjacent stripes is 100 μm; the stripes are twill and form an included angle of 15 degrees with the horizontal base line; each stripe is composed of a plurality of discontinuous line segments, and the length of each line segment is 7-8 cm; the existence of the stripes can enable the anti-explosion mirror surface film to present a slight colorful effect under a certain illumination angle, and the anti-explosion mirror surface film of the embodiment presents a light green color under a weak illumination condition, so that the visual effect is very attractive; when encountering strong light, the transparent resin stripes 401 are darkened, the illumination intensity is greatly weakened, part of light penetrates through gaps 402 among the transparent resin stripes 401, the visual effect is more transparent, and the problems of darkening of the whole color, visual distortion and weakening of details of the common color-changing explosion-proof film when encountering the strong light can be avoided; in addition, the transparent resin stripes 401 can play a role similar to reinforcing ribs, and the explosion-proof effect of the explosion-proof film is improved to a certain extent.
The visible light transmittance of the mirror surface explosion-proof film is 50% -90%.
The reflectivity of the mirror surface explosion-proof film is 10% -50%.
The material of the protective layer 1 adopts acrylonitrile-butadiene-styrene copolymer resin.
The thickness of the protective layer 1 was 3 μm.
The hardness of the protective layer 1 is 2H.
The main film layer 2 is made of PET material.
The thickness of the main film layer 2 is 150 μm.
The material of the pressure-sensitive adhesive layer 5 is polyurethane resin.
The thickness of the pressure-sensitive adhesive layer 5 is 150 μm.
The release film layer 6 is a common PET release film.
Example 2
The light transmittance of the mirror-surface explosion-proof film of example 1 was measured at different direct light irradiation intensities using a PEAKMETER model PM6612L digital illuminometer, and the data were as follows:
from the above data, the light transmittance of the mirror surface explosion-proof film of example 1 gradually decreases with the increase of the light intensity, and the mirror surface explosion-proof film has a good practical effect.
Example 3
Installing Homedale, v1.71 version, wireless signal strength test software on a notebook;
respectively manufacturing a single-layer closed cylinder A and a single-layer closed cylinder B which are respectively made of the universal membrane plate mirror silver glass adhesive film and the mirror explosion-proof film of the embodiment 1; the cylinder A and the cylinder B are oppositely placed;
measuring the wireless signal intensity of a certain external point to be-62 dbm; respectively placing the notebook into the cylinder A and the cylinder B, and measuring the wireless signal intensity in the cylinder A to be-76 dbm and the wireless signal intensity in the cylinder B to be-71 dbm;
from the above data, the mirror surface explosion-proof film of example 1 has better wireless signal transmittance than the common universal film plate mirror surface silver glass film.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable to various fields of endeavor for which the invention may be embodied with additional modifications as would be readily apparent to those skilled in the art, and the invention is therefore not limited to the details given herein and to the embodiments shown and described without departing from the generic concept as defined by the claims and their equivalents.
Claims (10)
1. A mirror explosion-proof membrane, characterized in that, the mirror explosion-proof membrane includes from top to bottom: the protective layer, the main film layer, the mirror layer, the grating layer, the pressure-sensitive adhesive layer and the release film layer;
the mirror layer is formed by coating mirror ink, and the mirror ink comprises: 28-35% of acrylic resin, 25-33% of butanone, 15-20% of butyl acetate, 0.2-0.3% of dispersing agent, 0.2-0.3% of heat stabilizer, 4-5% of silica sol, 4-6% of flaky glass powder and 7-9% of polyisocyanate;
the material of the grating layer is transparent resin, and the transparent resin is polymethyl methacrylate containing 2-3% of photochromic agent; the photochromic agent is prepared from strontium titanate: silver bromide ═ 1: 8-10 of mixed crystal powder; the grating layer consists of a group of transparent resin stripes which are arranged in parallel, the width of each stripe is 10-30 mu m, the thickness of each stripe is 10-20 mu m, and the interval between every two adjacent stripes is 80-150 mu m; the stripes are twill and form an included angle of 10-60 degrees with the horizontal base line; each stripe is composed of a plurality of discontinuous line segments, and the length of each line segment is 5-8 cm.
2. The mirror explosion-proof film according to claim 1, wherein the mirror explosion-proof film has a visible light transmittance of 50% to 90%.
3. The mirror-surface explosion-proof film according to claim 2, wherein the reflectance of the mirror-surface explosion-proof film is 10% to 50%.
4. The mirror explosion-proof membrane according to claim 1, wherein the material of said protective layer is acrylonitrile-butadiene-styrene copolymer resin.
5. The mirror surface explosion-proof membrane according to claim 4, wherein the thickness of said protective layer is 2 μm to 5 μm.
6. The mirror surface explosion-proof membrane according to claim 5, wherein the hardness of said protective layer is 2H or more.
7. The mirror explosion-proof membrane of claim 1, wherein the main membrane layer is a PET material.
8. The mirror explosion-proof membrane according to claim 7, wherein the thickness of the main membrane layer is 100 μm to 300 μm.
9. The mirror explosion-proof membrane according to claim 1, wherein the material of the pressure sensitive adhesive layer is one or a combination of a polyurethane-based resin, a silicone-based resin, or an acrylic resin.
10. The mirror explosion-proof membrane of claim 9, wherein the pressure sensitive adhesive layer has a thickness of 150 μm to 250 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810141704.9A CN108329862B (en) | 2018-02-11 | 2018-02-11 | Mirror surface explosion-proof membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810141704.9A CN108329862B (en) | 2018-02-11 | 2018-02-11 | Mirror surface explosion-proof membrane |
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| Publication Number | Publication Date |
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| CN108329862A CN108329862A (en) | 2018-07-27 |
| CN108329862B true CN108329862B (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810141704.9A Active CN108329862B (en) | 2018-02-11 | 2018-02-11 | Mirror surface explosion-proof membrane |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1094354A (en) * | 1993-04-30 | 1994-11-02 | 大世吕化学工业株式会社 | Polycarbonate-based resin laminate of absorption near infrared ray and formed body thereof |
| WO2004044626A1 (en) * | 2002-11-14 | 2004-05-27 | Transitions Optical, Inc. | Photochromic article |
| CN1894599A (en) * | 2003-12-11 | 2007-01-10 | 3M创新有限公司 | Composition for microstructured screens |
| CN102991049A (en) * | 2012-11-08 | 2013-03-27 | 江阴通利光电科技有限公司 | Novel 3D (three dimensional) optical stereoscopic membrane and preparation method thereof |
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| JPH09268269A (en) * | 1996-03-30 | 1997-10-14 | Teikoku Ink Seizo Kk | Mirror ink and production of sheet having mirror luster image |
| CN102514309B (en) * | 2011-12-03 | 2014-12-10 | 南京科晖印刷科技有限公司 | Decorative glass with mirror refraction grating effect |
| CN102876112B (en) * | 2012-09-27 | 2014-10-08 | 彩虹集团公司 | Mirror ink for automotive glass and preparation method of mirror ink |
| CN103481564B (en) * | 2013-08-16 | 2016-04-13 | 武汉羿阳科技有限公司 | A kind of fenestrated membrane of automatic adjustment light transmittance |
| CN103837917B (en) * | 2014-02-24 | 2016-03-16 | 京东方科技集团股份有限公司 | A kind of slit grating, its method for making, optical grating construction and display device |
| CN107459868A (en) * | 2017-09-26 | 2017-12-12 | 句容市后白镇迎瑞印花厂 | A kind of automobile glass printing ink of acid and alkali-resistance and preparation method thereof |
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2018
- 2018-02-11 CN CN201810141704.9A patent/CN108329862B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1094354A (en) * | 1993-04-30 | 1994-11-02 | 大世吕化学工业株式会社 | Polycarbonate-based resin laminate of absorption near infrared ray and formed body thereof |
| WO2004044626A1 (en) * | 2002-11-14 | 2004-05-27 | Transitions Optical, Inc. | Photochromic article |
| CN1894599A (en) * | 2003-12-11 | 2007-01-10 | 3M创新有限公司 | Composition for microstructured screens |
| CN102991049A (en) * | 2012-11-08 | 2013-03-27 | 江阴通利光电科技有限公司 | Novel 3D (three dimensional) optical stereoscopic membrane and preparation method thereof |
Non-Patent Citations (1)
| Title |
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| Chromogenic materials for transmittance control of large-area windows;C. G. Granqvis;《Solid State and Materials Sciences》;20060927;第16卷(第5期);第291-308页 * |
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