CN108845478A - Projection screen and preparation method thereof - Google Patents
Projection screen and preparation method thereof Download PDFInfo
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- CN108845478A CN108845478A CN201810567679.0A CN201810567679A CN108845478A CN 108845478 A CN108845478 A CN 108845478A CN 201810567679 A CN201810567679 A CN 201810567679A CN 108845478 A CN108845478 A CN 108845478A
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- layer
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- projection screen
- microprism
- aqueous vapor
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
Abstract
This application discloses a kind of projection screens, including basal layer, in the microprism layer, reflecting layer, aqueous vapor separation layer and the functional layer that are arranged successively on the basal layer, the microprism layer includes several microprisms being arranged in array, and the functional layer includes 46~50 parts of polyester modification silicone resin, 9~14 parts of modified epoxy, 8~12 parts of water vapor rejection agent, 5~10 parts of zinc sulfate, 4~7 parts of fire retardant, 2~3 parts of levelling agent according to parts by weight.The invention also discloses a kind of preparation methods of projection screen.Projection screen of the invention has preferable reflecting properties, realizes the full utilization of light, in combination with the functional layer of special formulation, so that projection screen brightness is high, high resolution and visual angle are wider, while having good barrier steam performance.
Description
Technical field
The application belongs to projection field, more particularly to a kind of projection screen and preparation method thereof.
Background technique
Projection screen is used in the occasions such as film, office, home theater, convention, for showing image, video
The tool of file.Common projection screen is divided into reflective and two kinds of transmission-type currently on the market, reflective for just throwing, and has white
Curtain is moulded, grey curtain, glass bead screen, metal curtain etc., transmission-type is for rear-projection.As the attachment of projection arrangement, also have one to projection screen
Fixed requirement will match each other between the two.Since projection ambient light is different, the requirement to curtain is also different, for example, static
Picture needs picture brightness high point, and dynamic film needs picture contrast quite a lot of, and to meet different demands, projection screen is needed and thrown
The collocation of shadow machine is proper, to obtain good drop shadow effect.
In the prior art, projection screen generally includes substrate and coated on the functional membrane on substrate, but projector skill
The picture of art is rung vulnerable to environment shadow, and picture effect is general, and existing projection screen, which still remains that brightness is low, resolution ratio is low, etc. asks
Topic.Meanwhile existing projection screen, it is easy dampness, is placed in wet environment is easily damaged for a long time.
Summary of the invention
The purpose of the present invention is to provide projection screens and preparation method thereof, with overcome the deficiencies in the prior art.
To achieve the above object, the present invention provides the following technical solutions：
The embodiment of the present application discloses a kind of projection screen, including：It is basal layer, micro- in what is be arranged successively on the basal layer
Prism layer, reflecting layer, aqueous vapor separation layer and functional layer, the microprism layer includes several microprisms being arranged in array, described
Functional layer includes following raw material according to parts by weight：
46~50 parts of polyester modification silicone resin；
9~14 parts of modified epoxy；
8~12 parts of water vapor rejection agent
5~10 parts of zinc sulfate；
4~7 parts of fire retardant；
2~3 parts of levelling agent.
Preferably, the aqueous vapor separation layer includes modified polytrifluorochloroethylene film, oxidation aluminium-vapour deposition polyester film and dioxy
One of polyester film or a variety of is deposited in SiClx.
Preferably, the water vapor rejection agent includes ten trifluoro monooctyl ester of methacrylic acid, polymethylacrylic acid and the 17 fluorine last of the ten Heavenly stems
One of ethyl triethoxy silicane alkane is a variety of.
Preferably, the microprism is the acrylate resin layer of ultra-violet curing or heat cure.
Preferably, the reflecting layer is metallic reflector, and the metal material is gold, silver, aluminum or aluminum alloy.
Preferably, the levelling agent includes silicone acrylate and/or diacetone alcohol.
Preferably, the material of the basal layer is PET, PVC or TPU.
Disclosed herein as well is a kind of preparation methods of projection screen, include the following steps：
(1) basal layer is provided；
(2) in the side acrylic resins of painting of the basal layer, the acrylic resin is molded using mold,
Formed prism-like, and after through UV irradiation or hot setting, formed microprism layer；
(3) metal reflective layer on the microprism layer；
(4) flat aqueous vapor separation layer is formed on the metallic reflector；
(5) polyester modification silicone resin, modified epoxy, water vapor rejection agent, zinc sulfate, fire retardant are mixed with levelling agent
And stir, thick function coating is made；
The function coating is coated on to the surface of the aqueous vapor separation layer, then dry cooling.
Preferably, the step (5) specifically includes：By 46~50 parts of polyester modification silicone resin and 9~14 parts of modification
Epoxy resin is mixed and stirred for 10~20min, is then warming up to 70~80 DEG C, and 8~12 parts of water vapor rejection agent is added, and stirring rises
5~10 parts of zinc sulfate, 4~7 parts of fire retardant and 2~3 parts of levelling is added to 82~85 DEG C of 5~10min of holding in temperature later
Agent keeps 82~85 DEG C of 5~10min of mixing, is then cooled to 40~50 DEG C, obtains thick function coating；It will
The function coating is coated on the surface of the aqueous vapor separation layer at 40~50 DEG C, is then carried out using membrane type drying machine cold
But.
Compared with the prior art, the advantages of the present invention are as follows：
(1) projection screen of the invention has microprism layer and reflecting layer, and reflectivity is higher, can reflect incident ray
It goes, projection screen has preferable reflecting properties, realizes the full utilization of light, in combination with the functional layer of special formulation, makes
It is wider to obtain high projection screen brightness, high resolution and visual angle；
(2) projection screen of the invention has aqueous vapor separation layer, while the ingredient containing water vapor rejection agent in functional layer, can
Effectively to obstruct the erosion of steam, projection screen moisture damage is prevented.
(3) preparation method of projection screen is simple in the present invention, and obtained projection screen picture effect is good.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 show the structural schematic diagram of projection screen in the specific embodiment of the invention.
Specific embodiment
In one embodiment of the application, a kind of projection screen is provided, as shown in Figure 1, being the structural schematic diagram of projection screen, is thrown
Shadow curtain includes：
Basal layer 1, the microprism layer 2 in being arranged successively on basal layer 1, reflecting layer 3, aqueous vapor separation layer 4 and functional layer 5,
Microprism layer 2 includes several microprisms being arranged in array, and functional layer 5 includes following raw material according to parts by weight：
46~50 parts of polyester modification silicone resin；
9~14 parts of modified epoxy；
8~12 parts of water vapor rejection agent
5~10 parts of zinc sulfate；
4~7 parts of fire retardant；
2~3 parts of levelling agent.
Wherein, reflecting layer 3 is coated on the outside of microprism, is in prism-like, and aqueous vapor separation layer 4 is coated on 3 outside of reflecting layer,
And the gap between prism is filled, and 4 exterior planar of aqueous vapor separation layer, flat aqueous vapor separation layer outside coating functions layer 5.
Reflecting layer 3 is metallic reflector, and metal material can be gold, silver, aluminum or aluminum alloy.
Aqueous vapor separation layer 4 can be modified polytrifluorochloroethylene film, oxidation aluminium-vapour deposition polyester film or silica steam plating
Polyester film, or their combination.
Water vapor rejection agent in functional layer 5 may include ten trifluoro monooctyl ester of methacrylic acid, polymethylacrylic acid and 17
One of fluorine ruthenium triethoxysilane is a variety of, reaches the performance of good barrier steam.
Fire retardant includes one of antimony oxide, melamine and tetrabromophthalic anhydride or a variety of.
Levelling agent includes silicone acrylate and/or diacetone alcohol.
Contain zinc sulfate in functional layer 5, corrosion-resistant can be played the role of, improves the environmental corrosion resisting of projection screen.
The material of basal layer 1 is PET (polyethylene terephthalate), PVC (polyvinyl chloride) or TPU (thermoplastic poly
Urethane elastomer rubber).It is foldable with good flexibility, and it is easy to resin deposition microprism.
Correspondingly, the embodiment of the present application also discloses a kind of preparation method of projection screen, include the following steps：
(1) basal layer 1 is provided；
(2) in the side acrylic resins of painting of basal layer 1, acrylic resin is molded using mold, forms rib
It is specular, and after through UV irradiation or hot setting, formed microprism layer 2；
(3) metal reflective layer 3 on microprism layer 2；
(4) flat aqueous vapor separation layer 4 is formed on metallic reflector 3；
(5) polyester modification silicone resin, modified epoxy, water vapor rejection agent, zinc sulfate, fire retardant are mixed with levelling agent
And stir, thick function coating is made；
Function coating is coated on to the surface of aqueous vapor separation layer 4, then dry cooling.
Specifically, the step (5) includes：By 46~50 parts of polyester modification silicone resin and 9~14 parts of modified epoxy
Resin is mixed and stirred for 10~20min, is then warming up to 70~80 DEG C, and 8~12 parts of water vapor rejection agent is added, and stirring is warming up to
5~10 parts of zinc sulfate, 4~7 parts of fire retardant and 2~3 parts of levelling agent is added in 82~85 DEG C of 5~10min of holding later,
82~85 DEG C of 5~10min of mixing are kept, 40~50 DEG C is then cooled to, obtains thick function coating；By function
Coating is coated on the surface of aqueous vapor separation layer at 40~50 DEG C, is then cooled down using membrane type drying machine.
To make the object, technical solutions and advantages of the present invention clearer, with reference to the accompanying drawing to specific reality of the invention
The mode of applying is described in detail.The example of these preferred embodiments is illustrated in the accompanying drawings.Shown in attached drawing and according to
The embodiments of the present invention of attached drawing description are only exemplary, and the present invention is not limited to these embodiments.
Here, it should also be noted that, in order to avoid having obscured the present invention because of unnecessary details, in the accompanying drawings only
Show with closely related structure and/or processing step according to the solution of the present invention, and be omitted little with relationship of the present invention
Other details.
Embodiment 1
The preparation method of projection screen, includes the following steps：
(1) basal layer is provided, the material of basal layer is PVC (polyvinyl chloride), has good flexible and impact strength；
(2) in the side acrylic resins of painting of PET base layer, acrylic resin is molded using mold, is formed
Prism-like, and after through UV irradiation or hot setting, formed microprism layer；
(3) metal reflective layer on microprism layer, reflector material are aluminium alloy；
(4) flat aqueous vapor separation layer is formed on Al-alloy metal reflecting layer, aqueous vapor separation layer is filled between prism-like
Gap, the material of aqueous vapor separation layer are the combination layer for aoxidizing aluminium-vapour deposition polyester film and silica steam plating polyester film；
(5) 46 parts of polyester modification silicone resin and 14 parts of modified epoxy are mixed and stirred for 10~20min, then
70~80 DEG C are warming up to, 12 parts of water vapor rejection agent is added, stirring is warming up to 82~85 DEG C of 5~10min of holding, 10 are added later
The zinc sulfate, 4 parts of fire retardant and 2 parts of levelling agent of part keep 82~85 DEG C of 5~10min of mixing, are then cooled to 40
~50 DEG C, obtain thick function coating；
Obtained function coating is coated on to the surface of aqueous vapor separation layer at 40~50 DEG C, it is then dry using membrane type
Dry machine is cooled down.
Thus the production of projection screen is completed.
Embodiment 2
The preparation method of projection screen, includes the following steps：
(1) basal layer is provided, the material of basal layer is TPU (thermoplastic polyurethane elastomer), have it is good flexible and
Impact strength；
(2) in the side acrylic resins of painting of PET base layer, acrylic resin is molded using mold, is formed
Prism-like, and after through UV irradiation or hot setting, formed microprism layer；
(3) metal reflective layer on microprism layer, reflector material are aluminium；
(4) flat aqueous vapor separation layer is formed on aluminium reflecting layer, aqueous vapor separation layer fills the gap of prism-like, steam resistance
Interlayer is modified polytrifluorochloroethylene film；
(5) 50 parts of polyester modification silicone resin and 9 parts of modified epoxy are mixed and stirred for 10~20min, then
70~80 DEG C are warming up to, 8 parts of water vapor rejection agent is added, stirring is warming up to 82~85 DEG C of 5~10min of holding, and 5 parts are added later
Zinc sulfate, 7 parts of fire retardant and 3 parts of levelling agent, keep 82~85 DEG C of 5~10min of mixing, be then cooled to 40~
50 DEG C, obtain thick function coating；
The function coating is coated on to the surface of the aqueous vapor separation layer at 40~50 DEG C, it is then dry using membrane type
Dry machine is cooled down.
Thus the production of projection screen is completed.
Projection screen of the invention has microprism layer 2 and reflecting layer 3, and reflectivity is higher, can reflect incident ray
Go, realize the full utilization of light, in combination with the functional layer of special formulation so that projection screen brightness is high, high resolution and
Visual angle is wider.In addition, there is aqueous vapor separation layer, and the ingredient containing water vapor rejection agent in functional layer, steam can be effectively obstructed
Erosion, prevent projection screen moisture damage.The luminance gain of the projection screen be 1.1 times, and have higher reflectivity and
Obstruct steam performance.
Finally, it is to be noted that, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.
Claims (9)
1. a kind of projection screen, which is characterized in that including：Basal layer, in the microprism layer being arranged successively on the basal layer, anti-
Penetrate layer, aqueous vapor separation layer and functional layer, the microprism layer includes several microprisms being arranged in array, the functional layer according to
Parts by weight include following raw material：
46~50 parts of polyester modification silicone resin；
9~14 parts of modified epoxy；
8~12 parts of water vapor rejection agent
5~10 parts of zinc sulfate；
4~7 parts of fire retardant；
2~3 parts of levelling agent.
2. projection screen according to claim 1, which is characterized in that the aqueous vapor separation layer includes modified poly- trifluoro chloroethene
Alkene film, oxidation one of aluminium-vapour deposition polyester film and silica steam plating polyester film or a variety of.
3. projection screen according to claim 1, which is characterized in that the water vapor rejection agent includes methacrylic acid 13
One of fluorine monooctyl ester, polymethylacrylic acid and heptadecafluorodecyl triethoxysilane are a variety of.
4. projection screen according to claim 1, which is characterized in that the microprism is the third of ultra-violet curing or heat cure
Olefin(e) acid resin layer.
5. projection screen according to claim 1, which is characterized in that the reflecting layer is metallic reflector, the metal
Material is gold, silver, aluminum or aluminum alloy.
6. projection screen according to claim 1, which is characterized in that the levelling agent include silicone acrylate and/
Or diacetone alcohol.
7. projection screen according to claim 1, which is characterized in that the material of the basal layer is PET, PVC or TPU.
8. the preparation method of projection screen of any of claims 1-7, which is characterized in that include the following steps：
(1) basal layer is provided；
(2) in the side acrylic resins of painting of the basal layer, the acrylic resin is molded using mold, is formed
Prism-like, and after through UV irradiation or hot setting, formed microprism layer；
(3) metal reflective layer on the microprism layer；
(4) flat aqueous vapor separation layer is formed on the metallic reflector；
(5) polyester modification silicone resin, modified epoxy, water vapor rejection agent, zinc sulfate, fire retardant are mixed and is stirred with levelling agent
It mixes, thick function coating is made；
The function coating is coated on to the surface of the aqueous vapor separation layer, then dry cooling.
9. the preparation method of projection screen according to claim 7, which is characterized in that the step (5) specifically includes：It will
46~50 parts of polyester modification silicone resin and 9~14 parts of modified epoxy are mixed and stirred for 10~20min, are then warming up to
70~80 DEG C, 8~12 parts of water vapor rejection agent is added, stirring is warming up to 82~85 DEG C of 5~10min of holding, and 5~10 are added later
Part zinc sulfate, 4~7 parts of fire retardant and 2~3 parts of levelling agent, holding 82~85 DEG C of mixing 5~10min are then cold
But to 40~50 DEG C, thick function coating is obtained；
The function coating is coated on to the surface of the aqueous vapor separation layer at 40~50 DEG C, then uses membrane type drying machine
It is cooled down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810567679.0A CN108845478A (en) | 2018-06-05 | 2018-06-05 | Projection screen and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810567679.0A CN108845478A (en) | 2018-06-05 | 2018-06-05 | Projection screen and preparation method thereof |
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| CN108845478A true CN108845478A (en) | 2018-11-20 |
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| CN201810567679.0A Withdrawn CN108845478A (en) | 2018-06-05 | 2018-06-05 | Projection screen and preparation method thereof |
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Cited By (3)
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| CN110055021A (en) * | 2019-05-18 | 2019-07-26 | 福建省昌德胶业科技有限公司 | A kind of high water vapor rejection composition epoxy resin and its application in lithium-ion-power cell |
| CN112596333A (en) * | 2020-12-16 | 2021-04-02 | 深圳市光科数字科技有限公司 | Anion optical curtain and preparation process thereof |
| CN114371594A (en) * | 2020-10-14 | 2022-04-19 | 张家港宝视特影视器材有限公司 | Ultraviolet curing microbead curtain |
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Application publication date: 20181120 |