CN103818082A - Coating type multifunctional long-lasting mirror surface sunlight greenhouse membrane and production method thereof - Google Patents
Coating type multifunctional long-lasting mirror surface sunlight greenhouse membrane and production method thereof Download PDFInfo
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- CN103818082A CN103818082A CN201310755226.8A CN201310755226A CN103818082A CN 103818082 A CN103818082 A CN 103818082A CN 201310755226 A CN201310755226 A CN 201310755226A CN 103818082 A CN103818082 A CN 103818082A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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Abstract
The invention relates to a coating type multifunctional long-lasting mirror surface sunlight greenhouse membrane and a production method thereof. The coating type multifunctional long-lasting mirror surface sunlight greenhouse membrane adopts a structure comprising more than five layers; for three layers of polyolefin structure membranes, a nano-technology is effectively adopted, and a long-lasting functional assistant is added, so that the coating type multifunctional long-lasting mirror surface sunlight greenhouse membrane has excellent ageing resistance and insulation performance; since a double-layer coating mode is adopted, that the sunlight greenhouse membrane has multiple effects is ensured and that the production and the yield of the crops are increased is realized. According to the coating type multifunctional long-lasting mirror surface sunlight greenhouse membrane, the imported special polyolefin resin is used as a main material, and is scientifically mixed with the imported high-quality efficient assistant according to a ratio, and the nano-technology is effectively adopted, so that environmental protection and non-pollution are achieved. The coating type multifunctional long-lasting mirror surface sunlight greenhouse membrane has an excellent light transmitting effect, the light transmittance is more than 92%, the haze is less than or equal to 16%, and high light transmittance, excellent heat preservation, no dropping point, and synchronization of fog dispersal and designed life are achieved.
Description
Technical field
The present invention relates to a kind of application type multifunction long-acting minute surface heliogreenhouse film and production method thereof, especially relate to a kind of two layers of above application type multifunction long-acting minute surface heliogreenhouse film and production method thereof.
background technology
Common polyolefin awning film in use, because the humidity in booth is high, steam formation " dewfall " phenomenon of sublimating on awning film inner surface after moisture-saturated in canopy, be gathered into reflective water droplet, not only affected seeing through of sunshine, increased the humidity in canopy, bring out disease and pest, and can absorb the heat of light irradiation, and reduce temperature of shed, affect plant growth; Especially winter low temperature " frozen water " water droplet drips and is exposed on crop, can cause that plant is damaged to plants caused by sudden drop in temperature, seedling rot is caused the underproduction.
For solving common polyolefin awning film water droplet problem in use, traditional processing technology is additive process production technology in adopting, still, and the drip fog dispersal type awning film that this technique is made, its drip, elimination fog effect lasting period are shorter, and can separating out and loss of function gradually along with auxiliary agent.The drip fog dispersal type awning film lasting period of traditional PE production of resins, the drip fog dispersal type awning film lasting period of EVA production of resins was generally at 4～6 months generally at 3～4 months.The functional form awning film of this inner additive type is owing to having added interior interpolation auxiliary agent, thereby reduced the transparency of canopy film, and separating out of non-drop fog-eliminating agent besides, easily pollutes the crop in canopy and soil.
Also having a kind of production technology is to carry out infiltration type coating in the cooling and shaping stage of awning film, and then after large power, electrically heating, infrared heating equipment is dried, and makes it form one deck hydrophilic film at film surface, has reached the effect of drip fog dispersal.The agriculture greenhouse film of this kind of explained hereafter, the one, film surface is not carried out to sided corona treatment, the functional masking liquid attachment fastness that is coated on film surface is poor, and the function lasting period is unstable; The 2nd, the coating thickness on agriculture greenhouse film two sides is not reciprocity, wherein inner surface (i.e. the side of deflector roll in contact) coating thickness is less, and outer surface (not contacting the side of interior deflector roll) coating thickness is larger, cause the coating layer thickness on film two sides inhomogeneous; The 3rd, the coating thickness of agriculture greenhouse film cannot regulate and control evenly in the vertical.The speed of service of agriculture greenhouse film in functional masking liquid can have influence on coating thickness, and more coating thickness is less for the speed of service, otherwise more coating thickness is larger for the speed of service.And the speed of production of agriculture greenhouse film there will be fluctuation in process of production, cause the speed of service of film in functional masking liquid unavoidably to occur fluctuation, and then cause coating thickness the fluctuating to appearance in length and breadth along plastic film for agricultural use at each position.Existing coating unit and coating processes cannot carry out active correction regulation and control to the fluctuation of this coating thickness.The 4th, can not realize the normal temperature cure of online production, the drying course of high temperature causes damage to base material, causes film to occur distortion, and then the ageing properties of film is declined; The 5th, the product of this explained hereafter cannot be realized online quantitatively coating, and the water film thickness that film surface forms is inhomogeneous, and randomness is larger, has directly affected the stability of awning film function, is unfavorable for the cultivation of crops, and waste is larger; The 6th, domestic existing production coating processes, is single layer coating, when cannot realizing agriculture greenhouse film several functions, has both, and has larger limitation.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of application type multifunction long-acting minute surface heliogreenhouse film with excellent ageing-resistant performance and heat-insulating property.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of application type multifunction long-acting minute surface sight greenhouse films, comprise the first ageing-resistant functional layer, heat-insulation layer, the second ageing-resistant functional layer and two layers of above coat, described the first ageing-resistant functional layer is positioned at internal layer, described the second ageing-resistant functional layer is positioned at skin, described heat-insulation layer is between described the first ageing-resistant functional layer and the second ageing-resistant functional layer, described coat pastes in described the second ageing-resistant functional layer, wherein
Described the first ageing-resistant functional layer and the second ageing-resistant functional layer form by the raw material of following percentage by weight: vistanex 94.8～98%, hindered amine light stabilizer 0.3～0.8%, ultra-violet absorber 0.2～0.9%, antioxidant 1.0～2.5%, processing aid 0.5～1%;
Described heat-insulation layer is made up of the raw material of following percentage by weight: vistanex 88.8～97%, hindered amine light stabilizer 0.3～0.8%, ultra-violet absorber 0.2～0.9%, antioxidant 1.0～2.5%, processing aid 0.5～1%, heat preserving agent 1～6%.
The invention has the beneficial effects as follows: application type multifunction long-acting minute surface heliogreenhouse film of the present invention is more than five layers structure, three strata alkene structures films, effectively adopt nanometer technology, add long-acting function additive, make it have excellent ageing-resistant performance and heat-insulating property.Two layers of above coat, have guaranteed that application type multifunction long-acting minute surface heliogreenhouse film of the present invention has more multiple usefulness, realizes the increasing both production and income of crop.
Application type multifunction long-acting minute surface sight greenhouse films of the present invention: light transmittance >=92%, mist degree≤16%, hot strength (vertical, horizontal) Mpa: >=30, elongation at break (vertical, horizontal) (% :) >=600, angle tear strength (vertical, horizontal) (kN m): >=60.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described hindered amine light stabilizer comprises any one in 944,622,783 or 3346 etc.
Further, described ultra-violet absorber comprises UV531 etc.
Further, described antioxidant comprises AT215 or AT225 etc.
Further, described processing aid is PPA etc.
Further, described heat preserving agent comprises EVA or hydrotalcite etc.
Another technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of production method of application type multifunction long-acting minute surface heliogreenhouse film, comprises the steps:
1) by the raw material of the first above-mentioned ageing-resistant functional layer, the raw material of the second ageing-resistant functional layer and the raw material of heat-insulation layer stir respectively, then drop into respectively in three layers of extruder, extruded by die head through screw extruding, form film base, and then through cooling and shaping, obtain agriculture greenhouse film;
2) by step 1) in the agriculture greenhouse film that obtains by Thinner Films device and automatically vane automatically adjust, the agriculture greenhouse film after being adjusted;
3) by step 2) in two surfaces of agriculture greenhouse film after the described adjustment that obtains carry out sided corona treatment, obtain the agriculture greenhouse film of sided corona treatment;
4) by step 3) in the agriculture greenhouse film of the described sided corona treatment that obtains apply, its surface is coated with and is covered with coating liquid, obtain surface and be coated with the agriculture greenhouse film of coating liquid;
5) by step 4) in the described surface that the obtains agriculture greenhouse film that is coated with coating liquid carry out successively again bake drying, solidify, obtain applying dry after agriculture greenhouse film;
6) by step 5) in the described coating that obtains dry after agriculture greenhouse film through lower traction, enter wrap-up, coil into web-like, obtain described application type multifunction long-acting minute surface heliogreenhouse film.
Further, in step 6) between also comprise the steps: step 3), step 4) and step 5) step in triplicate more than, make the surface of the second ageing-resistant functional layer be coated with three layers of above coat.
Further, in step 1) in, the temperature in described three layers of extruder is 150～240 ℃; The width of described agriculture greenhouse film is 1～20 meter, and thickness is 0.03～0.30mm.
Further, the agriculture greenhouse film even thickness after described adjustment is stable, and its thickness is 0.03～0.30mm.
The present invention has the following advantages and effect:
One, production method of the present invention is by carrying out sided corona treatment to agriculture greenhouse film surface, (coating liquid is function masking liquid to make coating liquid, concrete function is as multi-efficiencies such as drip, fog dispersal, promotion photosynthesis, anti-agricultural chemicals) firm attachment is in film surface, quantitatively apply and guaranteed the uniformity applying, thereby guaranteed the stability applying;
Two, the normal temperature cure of coating liquid has guaranteed the integrity of base material, can not impact the life-span of the present invention;
Three, double-deck (multilayer) applies dried minute surface heliogreenhouse film, and it is long that coating has the drip fog dispersal time, can reach and synchronize with canopy film aging period; After button canopy, in canopy, steam can form complete moisture film on canopy film surface fast, has drip effect fast, does not hang the advantage of dripping;
Four, double-deck (multilayer) applies dried minute surface sight greenhouse films transparency and can reach more than 92%, and pulling force is good, and intensity is high;
Five, high-efficiency insulated dose of interpolation, daytime, sunshine saw through awning film, enter in canopy, can absorption as much as possible and store the heat of sunshine, evening is by thermal release out, use this heliogreenhouse film, can keep canopy temperature constant, promote greatly growing of crops, alleviate disease and pest, and then reduced the usage quantity of agricultural chemicals, improve output and the quality of crops.
Six, production process of the present invention does not have three-waste pollution, without discharge, has significant economic and social benefit.
The specific embodiment
Below principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Embodiment 1
A kind of application type multifunction long-acting minute surface heliogreenhouse film, comprise the first ageing-resistant functional layer, heat-insulation layer, the second ageing-resistant functional layer and two layers of above coat, described the first ageing-resistant functional layer is positioned at internal layer, described the second ageing-resistant functional layer is positioned at skin, described heat-insulation layer is between described the first ageing-resistant functional layer and the second ageing-resistant functional layer, described coat pastes in described the second ageing-resistant functional layer, wherein
Described the first ageing-resistant functional layer and the second ageing-resistant functional layer form by the raw material of following percentage by weight: vistanex 94.8%, hindered amine light stabilizer 0.8%, ultra-violet absorber 0.9%, antioxidant 2.5%, processing aid 1%;
Described heat-insulation layer is made up of the raw material of following percentage by weight: vistanex 97%, hindered amine light stabilizer 0.3%, ultra-violet absorber 0.2%, antioxidant 1.0%, processing aid 0.5%, heat preserving agent 1%.
The production method of above-mentioned application type multifunction long-acting minute surface heliogreenhouse film, comprises the steps:
1) by the raw material of the first ageing-resistant functional layer described in claim 1 to 6 any one, the raw material of the second ageing-resistant functional layer and the raw material of heat-insulation layer stir respectively, then drop into respectively in three layers of extruder, temperature in three layers of extruder is 150 ℃, extruded by die head through screw extruding, form film base, and then through cooling and shaping, obtaining width is 1 meter, the agriculture greenhouse film that thickness is 0.03mm;
2) by step 1) in the agriculture greenhouse film that obtains by Thinner Films device and automatically vane automatically adjust, obtain the agriculture greenhouse film after uniform and stable adjustment, its thickness is 0.03mm;
3) by step 2) in two surfaces of agriculture greenhouse film after the described adjustment that obtains carry out sided corona treatment, obtain the agriculture greenhouse film of sided corona treatment;
4) by step 3) in the agriculture greenhouse film of the described sided corona treatment that obtains apply, its surface is coated with and is covered with coating liquid, obtain surface and be coated with the agriculture greenhouse film of coating liquid;
5) by step 4) in the described surface that the obtains agriculture greenhouse film that is coated with coating liquid carry out successively again bake drying, solidify, obtain applying dry after agriculture greenhouse film;
6) by step 5) in the described coating that obtains dry after agriculture greenhouse film through lower traction, enter wrap-up, coil into web-like, obtain described application type multifunction long-acting minute surface sight greenhouse films.
Embodiment 2
A kind of application type multifunction long-acting minute surface sight greenhouse films, comprise the first ageing-resistant functional layer, heat-insulation layer, the second ageing-resistant functional layer and two layers of above coat, described the first ageing-resistant functional layer is positioned at internal layer, described the second ageing-resistant functional layer is positioned at skin, described heat-insulation layer is between described the first ageing-resistant functional layer and the second ageing-resistant functional layer, described coat pastes in described the second ageing-resistant functional layer, wherein
Described the first ageing-resistant functional layer and the second ageing-resistant functional layer form by the raw material of following percentage by weight: vistanex 98%, hindered amine light stabilizer 0.3%, ultra-violet absorber 0.2%, antioxidant 1.0%, processing aid 0.5%;
Described heat-insulation layer is made up of the raw material of following percentage by weight: vistanex 88.8%, hindered amine light stabilizer 0.8%, ultra-violet absorber 0.9%, antioxidant 2.5%, processing aid 1%, heat preserving agent 6%.
The production method of above-mentioned application type multifunction long-acting minute surface heliogreenhouse film, comprises the steps:
1) by the raw material of the first ageing-resistant functional layer described in claim 1 to 6 any one, the raw material of the second ageing-resistant functional layer and the raw material of heat-insulation layer stir respectively, then drop into respectively in three layers of extruder, temperature in three layers of extruder is 240 ℃, extruded by die head through screw extruding, form film base, and then through cooling and shaping, obtaining width is 20 meters, the agriculture greenhouse film that thickness is 0.30mm;
2) by step 1) in the agriculture greenhouse film that obtains by Thinner Films device and automatically vane automatically adjust, obtain the agriculture greenhouse film after uniform and stable adjustment, its thickness is 0.30mm;
3) by step 2) in two surfaces of agriculture greenhouse film after the described adjustment that obtains carry out sided corona treatment, obtain the agriculture greenhouse film of sided corona treatment;
4) by step 3) in the agriculture greenhouse film of the described sided corona treatment that obtains apply, its surface is coated with and is covered with coating liquid, obtain surface and be coated with the agriculture greenhouse film of coating liquid;
5) by step 4) in the described surface that the obtains agriculture greenhouse film that is coated with coating liquid carry out successively again bake drying, solidify, obtain applying dry after agriculture greenhouse film;
6) by step 5) in the described coating that obtains dry after agriculture greenhouse film through lower traction, enter wrap-up, coil into web-like, obtain described application type multifunction long-acting minute surface heliogreenhouse film.
In step 6) between also comprise the steps: step 3), step 4) and step 5) step in triplicate, make the surface of the second ageing-resistant functional layer be coated with three layers of coat.
Embodiment 3
A kind of application type multifunction long-acting minute surface sight greenhouse films, comprise the first ageing-resistant functional layer, heat-insulation layer, the second ageing-resistant functional layer and two layers of above coat, described the first ageing-resistant functional layer is positioned at internal layer, described the second ageing-resistant functional layer is positioned at skin, described heat-insulation layer is between described the first ageing-resistant functional layer and the second ageing-resistant functional layer, described coat pastes in described the second ageing-resistant functional layer, wherein
Described the first ageing-resistant functional layer and the second ageing-resistant functional layer form by the raw material of following percentage by weight: vistanex 96%, hindered amine light stabilizer 0.6%, ultra-violet absorber 0.7%, antioxidant 1.9%, processing aid 0.8%;
Described heat-insulation layer is made up of the raw material of following percentage by weight: vistanex 92%, hindered amine light stabilizer 0.7%, ultra-violet absorber 0.8%, antioxidant 2%, processing aid 0.7%, heat preserving agent 3.8%.
The production method of above-mentioned application type multifunction long-acting minute surface heliogreenhouse film, comprises the steps:
1) by the raw material of the first ageing-resistant functional layer described in claim 1 to 6 any one, the raw material of the second ageing-resistant functional layer and the raw material of heat-insulation layer stir respectively, then drop into respectively in three layers of extruder, temperature in three layers of extruder is 200 ℃, extruded by die head through screw extruding, form film base, and then through cooling and shaping, obtaining width is 10 meters, the agriculture greenhouse film that thickness is 0.2mm;
2) by step 1) in the agriculture greenhouse film that obtains by Thinner Films device and automatically vane automatically adjust, obtain the agriculture greenhouse film after uniform and stable adjustment, its thickness is 0.2mm;
3) by step 2) in two surfaces of agriculture greenhouse film after the described adjustment that obtains carry out sided corona treatment, obtain the agriculture greenhouse film of sided corona treatment;
4) by step 3) in the agriculture greenhouse film of the described sided corona treatment that obtains apply, its surface is coated with and is covered with coating liquid, obtain surface and be coated with the agriculture greenhouse film of coating liquid;
5) by step 4) in the described surface that the obtains agriculture greenhouse film that is coated with coating liquid carry out successively again bake drying, solidify, obtain applying dry after agriculture greenhouse film;
6) by step 5) in the described coating that obtains dry after agriculture greenhouse film through lower traction, enter wrap-up, coil into web-like, obtain described application type multifunction long-acting minute surface sight greenhouse films.
In step 6) between also comprise the steps: step 3), step 4) and step 5) step in triplicate more than, make the surface of the second ageing-resistant functional layer be coated with three layers of above coat.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. an application type multifunction long-acting minute surface sight greenhouse films, it is characterized in that, comprise the first ageing-resistant functional layer, heat-insulation layer, the second ageing-resistant functional layer and two layers of above coat, described the first ageing-resistant functional layer is positioned at internal layer, described the second ageing-resistant functional layer is positioned at skin, and described heat-insulation layer is between described the first ageing-resistant functional layer and the second ageing-resistant functional layer, and described coat pastes in described the second ageing-resistant functional layer, wherein
Described the first ageing-resistant functional layer and the second ageing-resistant functional layer form by the raw material of following percentage by weight: vistanex 94.8～98%, hindered amine light stabilizer 0.3～0.8%, ultra-violet absorber 0.2～0.9%, antioxidant 1.0～2.5%, processing aid 0.5～1%;
Described heat-insulation layer is made up of the raw material of following percentage by weight: vistanex 88.8～97%, hindered amine light stabilizer 0.3～0.8%, ultra-violet absorber 0.2～0.9%, antioxidant 1.0～2.5%, processing aid 0.5～1%, heat preserving agent 1～6%.
2. application type multifunction long-acting minute surface heliogreenhouse film according to claim 1, is characterized in that, described hindered amine light stabilizer comprises any one in 944,622,783 or 3346.
3. application type multifunction long-acting minute surface heliogreenhouse film according to claim 1, is characterized in that, described ultra-violet absorber is UY531.
4. application type multifunction long-acting minute surface sight greenhouse films according to claim 1, is characterized in that, described antioxidant is AT215 or AT225.
5. application type multifunction long-acting minute surface heliogreenhouse film according to claim 1, is characterized in that, described processing aid is PPA.
6. application type multifunction long-acting minute surface sight greenhouse films according to claim 1, is characterized in that, described heat preserving agent is EVA or hydrotalcite.
7. a production method for application type multifunction long-acting minute surface heliogreenhouse film, is characterized in that, comprises the steps:
1) by the raw material of the first ageing-resistant functional layer described in claim 1 to 6 any one, the raw material of the second ageing-resistant functional layer and the raw material of heat-insulation layer stir respectively, then drop into respectively in three layers of extruder, extruded by die head through screw extruding, form film base, and then through cooling and shaping, obtain agriculture greenhouse film;
2) by step 1) in the agriculture greenhouse film that obtains by Thinner Films device and automatically vane automatically adjust, the agriculture greenhouse film after being adjusted;
3) by step 2) in two surfaces of agriculture greenhouse film after the described adjustment that obtains carry out sided corona treatment, obtain the agriculture greenhouse film of sided corona treatment;
4) by step 3) in the agriculture greenhouse film of the described sided corona treatment that obtains apply, its surface is coated with and is covered with coating liquid, obtain surface and be coated with the agriculture greenhouse film of coating liquid;
5) by step 4) in the described surface that the obtains agriculture greenhouse film that is coated with coating liquid carry out successively again bake drying, solidify, obtain applying dry after agriculture greenhouse film;
6) by step 5) in the described coating that obtains dry after agriculture greenhouse film through lower traction, enter wrap-up, coil into web-like, obtain described application type multifunction long-acting minute surface heliogreenhouse film.
8. the production method of application type multifunction long-acting minute surface heliogreenhouse film according to claim 7, it is characterized in that, in step 6) between also comprise the steps: step 3), step 4) and step 5) step in triplicate more than, make the surface of the second ageing-resistant functional layer be coated with three layers of above coat.
9. according to the production method of the application type multifunction long-acting minute surface sight greenhouse films described in claim 7 or 8, it is characterized in that, in step 1) in, the temperature in described three layers of extruder is 150～240 ℃; The width of described agriculture greenhouse film is 1～20 meter, and thickness is 0.03～0.30mm.
10. according to the production method of the application type multifunction long-acting minute surface heliogreenhouse film described in claim 7 or 8, it is characterized in that, the agriculture greenhouse film even thickness after described adjustment is stable, and its thickness is 0.03～0.30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310755226.8A CN103818082A (en) | 2013-12-31 | 2013-12-31 | Coating type multifunctional long-lasting mirror surface sunlight greenhouse membrane and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310755226.8A CN103818082A (en) | 2013-12-31 | 2013-12-31 | Coating type multifunctional long-lasting mirror surface sunlight greenhouse membrane and production method thereof |
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| CN103818082A true CN103818082A (en) | 2014-05-28 |
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| CN201310755226.8A Pending CN103818082A (en) | 2013-12-31 | 2013-12-31 | Coating type multifunctional long-lasting mirror surface sunlight greenhouse membrane and production method thereof |
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| CN105479708A (en) * | 2015-11-25 | 2016-04-13 | 罗敏聪 | Production equipment for agricultural PO light-conversion film |
| US9359506B1 (en) | 2014-12-04 | 2016-06-07 | Industrial Technology Research Institute | Anti-fogging, heat-insulating coating composition, method for preparing the same, and film formed from the same |
| CN108912468A (en) * | 2018-05-29 | 2018-11-30 | 厦门协四方工贸有限公司 | A kind of anti-aging bubble chamber film and its moulding process |
| CN110719730A (en) * | 2017-07-17 | 2020-01-21 | 卢德维格斯文松股份公司 | Greenhouse curtain |
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| EP2075124A1 (en) * | 2007-12-26 | 2009-07-01 | Rohm and Haas Company | Multilayer film |
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| US9359506B1 (en) | 2014-12-04 | 2016-06-07 | Industrial Technology Research Institute | Anti-fogging, heat-insulating coating composition, method for preparing the same, and film formed from the same |
| CN105479708A (en) * | 2015-11-25 | 2016-04-13 | 罗敏聪 | Production equipment for agricultural PO light-conversion film |
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| CN108912468A (en) * | 2018-05-29 | 2018-11-30 | 厦门协四方工贸有限公司 | A kind of anti-aging bubble chamber film and its moulding process |
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