WO2017045198A1 - High performance anti-dripping agent used in greenhouse film - Google Patents
High performance anti-dripping agent used in greenhouse film Download PDFInfo
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- WO2017045198A1 WO2017045198A1 PCT/CN2015/089985 CN2015089985W WO2017045198A1 WO 2017045198 A1 WO2017045198 A1 WO 2017045198A1 CN 2015089985 W CN2015089985 W CN 2015089985W WO 2017045198 A1 WO2017045198 A1 WO 2017045198A1
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- film
- polyethylene
- dripping
- weight percent
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
- A01G9/1438—Covering materials therefor; Materials for protective coverings used for soil and plants, e.g. films, canopies, tunnels or cloches
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/02—Polyalkylene oxides
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2650/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G2650/28—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type
- C08G2650/58—Ethylene oxide or propylene oxide copolymers, e.g. pluronics
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2371/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
- C08J2371/02—Polyalkylene oxides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
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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
Definitions
- the present invention is related to polyolefin films. More particularly, the present invention is related to polyolefin films used in greenhouse applications.
- Dripping is a phenomenon commonly occurring due to temperature difference of the inside atmosphere and the outside atmosphere of an “enclosed body” and localized cooling at the interface.
- the atmosphere within greenhouses surrounded by agricultural film is saturated with water vapor which evaporates from the soil or from the plants, because the surface tension of water is very high (about 72 mN/m) and the surface energy of greenhouse films, which usually made from polyethylene (PE) , ethylene-vinyl acetate (EVA) or polyvinylchloride (PVC) , is low, the water vapor condenses dropwise on the inner surface of the cold film to cause water dripping.
- Water droplets on the film greatly reduce the incident sunlight due to irregular reflection and the droplets that fall on the plants can result in physical damage of the crops.
- anti-dripping treatments are used to make the inner surface of greenhouse films hydrophilic in nature or to reduce water surface tension by adding surfactants. Both methods can cause vapor condensed droplets to spread on the surface and drain away, assuring transmission of sunlight into the greenhouse and reducing physical damage to plants.
- low molecular weight additives e.g., nonionic surfactants such as sorbitan esters, polyoxyethylene esters, glycerol esters, and polyglycerol esters
- these low molecular weight surfactants on the surface can dissolve in water and reduce water surface tension, so that the “modified water” can spread on the film.
- Typical anti-dripping additive concentration ranges from 1 to 5 weight percent.
- normally most of these commercially available surfactant additives do not have good affinity with non-polar polyethylene film matrices. These additives can diffuse out of the film quickly and be easily washed away from the film surface by condensed water, leading to reduced anti-dripping service time and the loss of the film's anti-dripping performance in a relatively short time.
- One broad aspect of the present invention is a film comprising, consisting of, or consisting essentially of: a) a polyolefin component; b) an additive comprising i) a first polyethylene oxide/polyethylene copolymer having a HLB value in the range of from 1 to 7 and a structure selected from the group consisting of CH 3 CH 2 (CH 2 CH 2 ) a CH 2 CH 2 (OCH 2 CH 2 ) b OH and CH 3 CH 2 (CH 2 CH 2 ) a CO (OCH 2 CH 2 ) b OH wherein a is from 9 to 25 and b is from 1 to 10; and ii) a second polyethylene oxide/polyethylene copolymer having a HLB value in the range of from 7 to 18 and a structure selected from the group consisting of CH 3 CH 2 (CH 2 CH 2 ) a CH 2 CH 2 (OCH 2 CH 2 ) b OH and CH 3 CH 2 (CH 2 CH 2 ) a CO (OCH 2 CH 2
- a is from 9 to 25 and b is from 1 to 10.
- the film comprises a polyolefin component.
- polyolefins include, but are not limited to polymers of monoolefins and diolefins, for example polypropylene, polyisobutylene, polybut-1-ene, poly-4-methylpent-1-ene, polyisoprene or polybutadiene, as well as polymers of cycloolefins, such as of cyclopentane or norbornene, polyethylene, for example, high density polyethylene (HDPE) , high density and high molecular weight polyethylene (HDPE-HMW) , high density and ultrahigh molecular weight polyethylene (HDPE-UHMW) , medium density polyethylene (MDPE) , low density polyethylene (LDPE) , and linear low density polyethylene (LLDPE) .
- HDPE high density polyethylene
- HDPE-HMW high density and high molecular weight polyethylene
- HDPE-UHMW high density and ultrahigh molecular weight polyethylene
- Mixtures of the above polyolefins can be used, for example mixtures of polypropylene with polyisobutylene, polypropylene with polyethylene (for example PP/HDPE) and mixtures of different types of polyethylenes (for example LDPE/HDPE) .
- polystyrene resin examples include copolymers of monoolefins and diolefins with each other or with other vinyl monomers, for example ethylene/propylene copolymers, LLDPE, and mixtures thereof with LDPE, proplylene/but-1-ene copolymers, propylene/isobutylene copolymers, ethylene/but-1-ene copolymers, ethylene/hexane copolymers, ethylene/methylpentene copolymers, ethylene/heptene copolymers, ethylene/octane copolymers, propylene/butadiene copolymers, isobutylene/isoprene copolymers, ethylene/alkyl methacrylate copolymers, ethylene/vinyl acetate copolymers and their salts as well as terpolymers of ethylene with propylene and a diene such as hexadiene, dicyclopentadiene or
- the polyolefin component is typically present in the film in the range of from 90 to 99 weight percent. Any and all values between 90 and 99 weight percent are included herein and disclosed herein, for example, the polyolefin component can be 90, 90.2, 91, 92, 92.5, 93, 96, or 97 weight percent of the film.
- the additive is typically present in the film in the range of from 1 to 5 weight percent. Any value between 1 and 5 weight percent is included herein and disclosed herein, for example, the additive can be 1, 2, 2.4, 3, 3.5, 4, or 5 weight percent of the film.
- the additive comprises at least one first polyethylene oxide/polyethylene (PEO/PE) copolymer component. This copolymer generally has a structure selected from the group consisting of CH 3 CH 2 (CH 2 CH 2 ) a CH 2 CH 2 (OCH2CH2) b OH and CH 3 CH 2 (CH 2 CH 2 ) a CO (OCH 2 CH 2 ) b OH wherein a is from 9 to 25 and b is from 1 to 10.
- the Hydrophile-Lipophile Balance (HLB) value for the copolymer is calculated from the PEO content.
- a polymer with no PEO component has a HLB value of zero and a PEO/PE copolymer having a PEO content of 20%has a HLB value of 4.
- the HLB value of the first polyethylene oxide/polyethylene copolymer is generally in the range of from 1 to 7. Any value within 1 and 7 is included herein and disclosed herein, for example, the HLB value can be 1, 2, 3, 4, 5, 6 or 7.
- PEO/PE component examples include, but are not limited to Unithox, available from Baker Hughes.
- the first PEO/PE copolymer is generally present in the additive in the range of from 10 weight percent to 90 weight percent. Any and all ranges within 10 and 90 weight percent are included herein and disclosed herein; for example, the first PEO/PE copolymer can be present in the film in the range of 33 weight percent to 50 weight percent.
- the additive further comprises a second additive comprising a PEO/PE copolymer.
- This copolymer generally has the same structure as the first additive.
- the second PEO/PE copolymer generally has a higher ethylene oxide content compared to the first PEO/PE copolymer which gives it a higher HLB value.
- the HLB value for the second polyethylene oxide/polyethylene copolymer is generally in the range of from 7 to 18. Any value between 7 and 18 is included herein and disclosed herein, for example, the HLB value can be 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, or 18.
- the higher ethylene oxide content enables the second additive to modify water surface tension.
- the second PEO/PE copolymer is generally present in the additive in the range of from 10 weight percent to 90 weight percent. Any and all ranges within 10 and 90 weight percent are included herein and disclosed herein; for example, the second PEO/PE copolymer can be present in the film in the range of 50 weight percent to 67 weight percent.
- antioxidants can be present in the film.
- antioxidants include but are not limited to alkylated monophenols, alkylated hydroquinones, hydroxylated thiodiphenyl ethers, alkyldiene bisphenols, benzyl compounds, acylaminophenols, esters of b- (3, 5-di-tert-butyl-4-hydroxyphenyl) -propionic acid with monohydric or polyhydric alcohols, esters of b- (5-tert-butyl-4-hydroxy-3-methylphenyl) -propionic acid with monohydric or polyhydric alcohols, amides of b- (3, 5-di-tert-butyl-4-hydroxyphenyl) -propionic acid and combinations thereof.
- uv stabilizers can be present in the film.
- uv stabilizers include but are not limited to 2- (2'-Hydroxyphenyl) -benzotriazoles, 2-hydroxy-benzophenones, esters of substituted benzoic acids, acrylates, malonates, sterically hindered amines, hydroxyphenyl-s-triazines, and combinations thereof.
- the multilayer films of the present invention be formed in the blown film process as is generally known in the art, although other methods such as cast films, or lamination can be used.
- the notation 'CXX-EOY' denotes a compound with a certain number of carbon atoms and ethylene oxide repeat units.
- the compound 'C32-EO4' has 32 carbon atoms and 4 ethylene oxide repeat units.
- the additives including anti-dripping agents, anti-fog agents with LDPE powder were mixed using a high intensity mixer. Compounding was then carried out on a 27 mm twin-screw extruder. LLDPE was fed from one feeder and LDPE powder, along with all the other additives, was fed from another feeder. The temperature was set at around 180 °C and the screw speed was 250 rpm. The melt temperature was around 230 °C and the total output was 20 Kg/h.
- the films were prepared on a monolayer blown film line with die diameter of 50 mm.
- the blown up ratio (BUR) was around 2.5.
- Film thickness was 60 um.
- CE-1 to CE-9 are comparative examples with one anti-dripping component.
- CE-10 is comparative example containing 2 types of anti-dripping additives but does not contain PEO/PE copolymers with an HLB value lower than 7.
- CE-11 is a comparative example containing 2 types of anti-dripping additives.
- CE-12 and CE-13 are comparative examples containing hydrophobic C32-EO4 and hydrophobic esters, with no hydrophilic PEO/PE in the film.
- IE-1 to IE-10 are Inventive Examples containing 2 or more types of PEO/PE copolymers.
- the film anti-dripping performance was tested according to Chinese National Standard GB 4455-2006.
- the film is clamped on a cage of a water bath to form an enclosed space and there is a 15 degree slope angle of the film generated by a pressing cone.
- the water in the water bath is heated to 60 °C and the water vapor condenses and forms a thin layer of water on the film. Condensed water flows back to the water bath and normally the anti-dripping agent will be gradually washed away. Non-transparent water droplets and/or transparent water flakes/streams will form onto the inner surface of the film, resulting in the loss of anti-dripping performance.
- Non-transparent water droplet area larger than 30%of the total film area.
- the anti-dripping service time was recorded (days) when the anti-dripping performance failed.
- Comparative examples CE-1 to CE-9 only contained one type of anti-dripping additive.
- the lifetime of one of benchmark anti-dripping agent KF650 (alcohol ester based anti-dripping agent) was 12 days when formulated in PE matrix (CE-7) and 15 days in EVA matrix (CE-8) .
- the lifetime of one component PEO/PE anti-dripping agent was either similar to KF 650 (13 to 15 days for CE-2, CE-3 and CE-4) or worse than KF 650 (2 to 6 days for CE-1, CE-5 and CE6) .
- the performance of another commercial available anti-dripping agent LA-6 was 14 days.
- CE-10 contained 2 types of anti-dripping additives but no PEO/PE with a HLB value lower than 7. The life time of the film was only 14 days.
- CE-12 and CE-13 were comparative examples containing hydrophobic C32-EO4 and hydrophobic esters, with no hydrophilic PEO/PE in the film.
- the anti-dripping lifetime for these 2 films was very short, only lasted for a few days.
- Inventive examples contained several types of PEO/PE copolymers, in which at least one component was poor water soluble (C50-EO5 or C32-EO4 with an HLB value of 4) , and at least one water soluble PEO/PE component with an HLB value larger than 7. From the acceleration test at 60 °C, the lifetime of any of the inventive examples was longer than 20 days, much longer than the one component comparative examples (CE-1 to CE-9) and the two component comparative examples (CE-10 and CE-11) .
- IE-2 C32-EO4/C32-EO10 blends
- IE-4 C32-EO4/C18-EO4 blends
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- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Wood Science & Technology (AREA)
- Soil Sciences (AREA)
- General Health & Medical Sciences (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Protection Of Plants (AREA)
- Greenhouses (AREA)
Abstract
Description
Claims (6)
- A film comprising:a) a polyolefin component;b) an additive comprisingi) a first polyethylene oxide/polyethylene copolymer having a HLB value in the range of from 1 to 7 and a structure selected from the group consisting of CH3CH2 (CH2CH2) aCH2CH2 (OCH2CH2) bOH and CH3CH2 (CH2CH2) aCO (OCH2CH2) bOHwherein a is from 9 to 25 and b is from 1 to 10; andii) a second polyethylene oxide/polyethylene copolymer having a HLB value in the range of from 7 to 18 and a structure selected from the group consisting of CH3CH2 (CH2CH2) aCH2CH2 (OCH2CH2) bOH and CH3CH2 (CH2CH2) aCO (OCH2CH2) bOHwherein a is from 9 to 25 and b is from 1 to 10.
- The film of claim 1 wherein the polyolefin component is selected from the group consisting of low density polyethylene, linear low density polyethylene, and combinations thereof.
- The film of claim 1 wherein the additive is present in the film in an amount in the range of from 1 weight percent to 5 weight percent.
- The film of claim 1 wherein the first polyethylene oxide/polyethylene copolymer is present in the additive in the range of from 33 weight percent to 50 weight percent.
- The film of claim 1 wherein the second polyethylene oxide/polyethylene copolymer is present in the additive in the range of from 50 weight percent to 67 weight percent.
- A greenhouse film prepared from the film of claim 1.
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/750,390 US10723851B2 (en) | 2015-09-18 | 2015-09-18 | High performance anti-dripping agent used in greenhouse film |
EP15903888.4A EP3350264B1 (en) | 2015-09-18 | 2015-09-18 | High performance anti-dripping agent used in greenhouse film |
JP2018511480A JP2018529006A (en) | 2015-09-18 | 2015-09-18 | High performance anti-dripping agent used for greenhouse films |
PCT/CN2015/089985 WO2017045198A1 (en) | 2015-09-18 | 2015-09-18 | High performance anti-dripping agent used in greenhouse film |
CN201580082910.1A CN108137918B (en) | 2015-09-18 | 2015-09-18 | High-performance anti-dripping agent for greenhouse film |
ES15903888T ES2890148T3 (en) | 2015-09-18 | 2015-09-18 | High performance anti-drip agent used in greenhouse film |
CA2998400A CA2998400A1 (en) | 2015-09-18 | 2015-09-18 | High performance anti-dripping agent used in greenhouse film |
MYPI2018700943A MY184302A (en) | 2015-09-18 | 2015-09-18 | High performance anti-dripping agent used in greenhouse film |
MX2018003064A MX2018003064A (en) | 2015-09-18 | 2015-09-18 | High performance anti-dripping agent used in greenhouse film. |
BR112018004213-7A BR112018004213B1 (en) | 2015-09-18 | 2015-09-18 | greenhouse film |
ARP160102800A AR106023A1 (en) | 2015-09-18 | 2016-09-14 | ANTIGOTE AGENT OF HIGH PERFORMANCE USED IN FILMS FOR GREENHOUSES |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2015/089985 WO2017045198A1 (en) | 2015-09-18 | 2015-09-18 | High performance anti-dripping agent used in greenhouse film |
Publications (1)
Publication Number | Publication Date |
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WO2017045198A1 true WO2017045198A1 (en) | 2017-03-23 |
Family
ID=58288084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/CN2015/089985 WO2017045198A1 (en) | 2015-09-18 | 2015-09-18 | High performance anti-dripping agent used in greenhouse film |
Country Status (11)
Country | Link |
---|---|
US (1) | US10723851B2 (en) |
EP (1) | EP3350264B1 (en) |
JP (1) | JP2018529006A (en) |
CN (1) | CN108137918B (en) |
AR (1) | AR106023A1 (en) |
BR (1) | BR112018004213B1 (en) |
CA (1) | CA2998400A1 (en) |
ES (1) | ES2890148T3 (en) |
MX (1) | MX2018003064A (en) |
MY (1) | MY184302A (en) |
WO (1) | WO2017045198A1 (en) |
Cited By (3)
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CN110607015A (en) * | 2019-08-31 | 2019-12-24 | 吴广龙 | Plastic light conversion agricultural film with lasting light conversion effect and preparation method thereof |
US10603877B2 (en) | 2015-09-18 | 2020-03-31 | Dow Global Technologies Llc | Multi-layer greenhouse film with superior anti-dripping performance |
EP3654756B1 (en) | 2017-07-17 | 2021-10-06 | AB Ludvig Svensson | Greenhouse screen |
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- 2015-09-18 MX MX2018003064A patent/MX2018003064A/en unknown
- 2015-09-18 US US15/750,390 patent/US10723851B2/en active Active
- 2015-09-18 CN CN201580082910.1A patent/CN108137918B/en active Active
- 2015-09-18 ES ES15903888T patent/ES2890148T3/en active Active
- 2015-09-18 BR BR112018004213-7A patent/BR112018004213B1/en not_active IP Right Cessation
- 2015-09-18 CA CA2998400A patent/CA2998400A1/en not_active Abandoned
- 2015-09-18 WO PCT/CN2015/089985 patent/WO2017045198A1/en active Application Filing
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2016
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US10603877B2 (en) | 2015-09-18 | 2020-03-31 | Dow Global Technologies Llc | Multi-layer greenhouse film with superior anti-dripping performance |
EP3654756B1 (en) | 2017-07-17 | 2021-10-06 | AB Ludvig Svensson | Greenhouse screen |
EP3654756B2 (en) † | 2017-07-17 | 2024-06-12 | AB Ludvig Svensson | Greenhouse screen |
CN110607015A (en) * | 2019-08-31 | 2019-12-24 | 吴广龙 | Plastic light conversion agricultural film with lasting light conversion effect and preparation method thereof |
Also Published As
Publication number | Publication date |
---|---|
AR106023A1 (en) | 2017-12-06 |
BR112018004213A2 (en) | 2018-09-25 |
CA2998400A1 (en) | 2017-03-23 |
ES2890148T3 (en) | 2022-01-17 |
EP3350264A1 (en) | 2018-07-25 |
MY184302A (en) | 2021-03-31 |
US10723851B2 (en) | 2020-07-28 |
EP3350264B1 (en) | 2021-08-04 |
EP3350264A4 (en) | 2019-03-13 |
BR112018004213B1 (en) | 2022-04-19 |
CN108137918A (en) | 2018-06-08 |
CN108137918B (en) | 2020-12-01 |
US20180230280A1 (en) | 2018-08-16 |
JP2018529006A (en) | 2018-10-04 |
MX2018003064A (en) | 2018-05-07 |
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