CN107053803A - A kind of dust-proof light modulation agricultural film - Google Patents
A kind of dust-proof light modulation agricultural film Download PDFInfo
- Publication number
- CN107053803A CN107053803A CN201710357984.2A CN201710357984A CN107053803A CN 107053803 A CN107053803 A CN 107053803A CN 201710357984 A CN201710357984 A CN 201710357984A CN 107053803 A CN107053803 A CN 107053803A
- Authority
- CN
- China
- Prior art keywords
- dust
- light
- agricultural film
- proof
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/134—Phenols containing ester groups
- C08K5/1345—Carboxylic esters of phenolcarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/412—Transparent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/552—Fatigue strength
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2410/00—Agriculture-related articles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
Abstract
The invention provides a kind of dust-proof light modulation agricultural film, the dust-proof light modulation agricultural film includes：Dust-proof printing opacity top layer and internal layer；The dust-proof printing opacity top layer includes nucleation-accelerant, polyvinyl resin and anti-aging auxiliary agent；The internal layer includes light diffusate, polyvinyl resin and inorganic pigment.The present invention combines the effect of polyvinyl resin and anti-aging auxiliary agent by the addition of nucleation-accelerant, so that dust-proof printing opacity top layer has good barrier property, small-molecule substance so as to effectively prevent other layers in agricultural film is to surface migration, and being prevented effectively from dust adhesion causes light transmittance to decline；The dust-proof printing opacity top layer including nucleation-accelerant, polyvinyl resin and anti-aging auxiliary agent contributes to the surface tension of reduction agricultural film, reduction in surface tension, and then surface to reduce simultaneously, is conducive to the elution of dust while reduction dust adhesion.Internal layer including light diffusate, polyvinyl resin and inorganic pigment causes agricultural film to have light diffusion function and light adjusting function.
Description
Technical field
The invention belongs to Technique for Agricultural Films field, more particularly to a kind of dust-proof light modulation agricultural film.
Background technology
Agricultural film is widely used in China's agricultural planting and horticultural facility covering, mainly there is long-lived film, anti-dropping film, fog dispersal
The type such as film and conversion film.At present, domestic agricultural film yield is more than 1,500,000 tons.But the above-mentioned type agricultural film generally existing printing opacity
The problem of rate is low, and the easy-adhesion dust in surface causes light transmittance further to decline, and uneven illumination is even in canopy, has a strong impact on crop
Yield and quality.
For drawbacks described above, there are many schemes both at home and abroad to solve the problems, such as agricultural film surface dustiness, but all adopt mostly
Dust suction is solved the problems, such as with the method for addition antistatic additive.However, this method be typically only applicable to the dustiness such as Japan, South Korea compared with
Few island country uses.China's hinterland dust haze is increasingly serious, and organic matter increases particularly in air, simple anti-using addition
The method of electrostatic agent can not almost solve the problems, such as the dustiness on agricultural film surface.
The content of the invention
In view of this, it is an object of the invention to provide a kind of dust-proof light modulation agricultural film, the dust-proof light modulation agriculture that the present invention is provided
Film has good anti-dust performance and light transmittance is high.
In order to realize foregoing invention purpose, the present invention provides following technical scheme：
A kind of dust-proof light modulation agricultural film, including：Dust-proof printing opacity top layer and internal layer；
The dust-proof printing opacity top layer includes nucleation-accelerant, polyvinyl resin and anti-aging auxiliary agent；
The internal layer includes light diffusate, polyvinyl resin, inorganic pigment and anti-aging auxiliary agent.
It is preferred that, the thickness of the dust-proof light modulation agricultural film is 8~15 μm.
It is preferred that, the thickness ratio of the dust-proof printing opacity top layer and internal layer is 1:2、3:7 or 1:3.
It is preferred that, the internal layer includes light diffusion layer and light regulation and control layer；The dust-proof printing opacity top layer is arranged at light diffusion layer
On；
The light diffusion layer includes light diffusate, polyvinyl resin and anti-aging auxiliary agent；
The light regulation and control layer includes inorganic pigment, polyvinyl resin and anti-aging auxiliary agent.
It is preferred that, the thickness ratio on the dust-proof light modulation top layer, light diffusion layer and light regulation and control layer is 1:1:1、3:4:3 or 1:2:
1。
It is preferred that, the nucleation-accelerant includes inorganic nano-particle nucleator.
It is preferred that, the anti-aging auxiliary agent includes (2, the 4- di-tert-butyl-phenyl) ester of phosphorous acid three and/or four [β-(3,5 two
Tert-butyl-hydroxy phenyl) propionic acid] pentaerythrite.
It is preferred that, the smooth diffusate is spherical, particle diameter≤400nm of the smooth diffusate.
It is preferred that, the smooth diffusate includes organosilicon, polystyrene, polymethyl methacrylate, quartz silica, dioxy
Change the one or more in titanium and zinc oxide.
It is preferred that, the inorganic pigment includes red phase phthalocyanine blue and/or blue phase phthalocyanine blue.
The invention provides a kind of dust-proof light modulation agricultural film, including：Dust-proof printing opacity top layer and internal layer；Wherein, dust-proof printing opacity table
Layer includes nucleation-accelerant, polyvinyl resin and anti-aging auxiliary agent；And internal layer includes light diffusate, polyvinyl resin, inorganic face
Material and anti-aging auxiliary agent.
The present invention combines the effect of polyvinyl resin and anti-aging auxiliary agent by the addition of nucleation-accelerant so that dust-proof printing opacity
Top layer has good barrier property, so as to effectively prevent the small-molecule substance of other layers in agricultural film to surface migration, effectively
Dust adhesion is avoided to cause light transmittance to decline；Include the dust-proof printing opacity of nucleation-accelerant, polyvinyl resin and anti-aging auxiliary agent simultaneously
Top layer contributes to the surface tension of reduction agricultural film, reduction in surface tension, and then surface to reduce, and has while reduction dust adhesion
Beneficial to the elution of dust；Internal layer including light diffusate, polyvinyl resin, inorganic pigment and anti-aging auxiliary agent causes agricultural film to have
There are light diffusion function and light adjusting function.The result of the embodiment of the present invention shows, the dust-proof light modulation agricultural film printing opacity that the present invention is provided
Rate reaches more than 90%, and mist degree reaches 20~80%, and surface tension reaches 28~31mN/m.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the dust-proof light modulation agricultural film structural representation that the embodiment of the present invention 1 is prepared；
In Fig. 1：A is dust-proof printing opacity top layer, and b is internal layer；C is light diffusate, and d is that feux rouges regulates and controls inorganic pigment, and e is indigo plant
Light regulates and controls inorganic pigment；
Fig. 2 is the dust-proof light modulation agricultural film structural representation that the embodiment of the present invention 7 is prepared；
Fig. 3 is the dust-proof light modulation agricultural film structural representation that the embodiment of the present invention 3,4 or 5 is prepared；
Fig. 4 is the dust-proof light modulation agricultural film structural representation that the embodiment of the present invention 6 is prepared；
In Fig. 2~4：1 is dust-proof printing opacity top layer, and 2 be light diffusion layer, and 3 be that light regulates and controls layer, and 4 be light diffusate, and 5 be red
Light regulates and controls inorganic pigment, and 6 be that blue light regulates and controls inorganic pigment.
Embodiment
The invention provides a kind of dust-proof light modulation agricultural film, including：Dust-proof printing opacity top layer and internal layer；The dust-proof printing opacity top layer
Including nucleation-accelerant, polyvinyl resin and anti-aging auxiliary agent；The internal layer includes light diffusate, polyvinyl resin, inorganic face
Material and anti-aging auxiliary agent.
The present invention combines the effect of polyvinyl resin and anti-aging auxiliary agent by the addition of nucleation-accelerant so that dust-proof printing opacity
Top layer has good barrier property, so as to effectively prevent the small-molecule substance of other layers in agricultural film to surface migration, effectively
Dust adhesion is avoided to cause light transmittance to decline；Include the dust-proof printing opacity of nucleation-accelerant, polyvinyl resin and anti-aging auxiliary agent simultaneously
Top layer contributes to the surface tension of reduction agricultural film, reduction in surface tension, and then surface to reduce, and has while reduction dust adhesion
Beneficial to the elution of dust；Internal layer including light diffusate, polyvinyl resin, inorganic pigment and anti-aging auxiliary agent causes agricultural film to have
There are light diffusion function and light adjusting function.
In the present invention, the dust-proof light modulation agricultural film, including dust-proof printing opacity top layer and internal layer.In the present invention, it is described anti-
The thickness of dirt light modulation agricultural film is preferably 8~15 μm；In an embodiment of the present invention, the thickness of the dust-proof light modulation agricultural film is specially
8.5μm、9.0μm、9.5μm、10.0μm、10.5μm、11.0μm、11.5μm、12.0μm、12.5μm、13.0μm、13.5μm、
14.0 μm or 14.5 μm.In the present invention, the thickness ratio of the dust-proof printing opacity top layer and internal layer is preferably 1:2、3:7 or 1:3.
In the present invention, the thickness of the dust-proof printing opacity top layer and internal layer is preferably according to the thickness of dust-proof light modulation agricultural film and dust-proof printing opacity top layer
Determined with the thickness ratio of internal layer；In an embodiment of the present invention, the thickness on the dust-proof printing opacity top layer is preferably 1~5 μm, enters one
Step is preferably 2~3 μm；The thickness of the internal layer is preferably 5~10 μm, more preferably 2~7 μm, more preferably 4~5 μm.
The present invention does not have particular/special requirement to the connected mode on the dust-proof printing opacity top layer and internal layer, it is preferred to use those skilled in the art institute
Well known film layer connected mode；In an embodiment of the present invention, the dust-proof printing opacity top layer and internal layer connect through institute
State dust-proof printing opacity top layer and internal layer and realized while being adhered in forming process.
In the present invention, the dust-proof printing opacity top layer includes nucleation-accelerant, polyvinyl resin and anti-aging auxiliary agent.
In the present invention, the nucleation-accelerant preferably includes inorganic nano-particle nucleator, further preferably including nanometer
Silica and nano zine oxide.In the present invention, the mass ratio of the nano silicon and nano zine oxide is preferably (1
~99)：(99~1).In the present invention, the particle diameter of the nucleator is preferably 8~40nm, more preferably 10~20nm.
Specifically source no particular/special requirement of the invention to the nucleation-accelerant, using nucleation-accelerant well-known to those skilled in the art
.The present invention combines the effect of polyvinyl resin and anti-aging auxiliary agent by the addition of nucleation-accelerant so that dust-proof printing opacity table
Layer has good barrier property, so that the small-molecule substance for effectively preventing other layers in agricultural film is effectively kept away to surface migration
Exempting from dust adhesion causes light transmittance to decline.
In the present invention, the anti-aging auxiliary agent preferably includes phosphorous acid three (2,4- di-tert-butyl-phenyl) ester (antioxidant
And/or four [β-(3,5 di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythrites (antioxidant 1010) 168)；When anti-aging auxiliary agent
Including irgasfos 168 and during antioxidant 1010, the present invention does not have particular/special requirement to the consumption of the two.The present invention is to the antioxidant
168 and the no particular/special requirement in source of antioxidant 1010, using well-known to those skilled in the art；The embodiment of the present invention
The specific commercially available prod using irgasfos 168 and antioxidant 1010.
The present invention is gathered to the no particular/special requirement in source of the polyvinyl resin using well-known to those skilled in the art
Vinyl；In an embodiment of the present invention, the polyvinyl resin specifically using polyvinyl resin commercially available prod or
Person prepares according to preparation method well-known to those skilled in the art.
In the present invention, in the dust-proof printing opacity top layer nucleation-accelerant, polyvinyl resin and anti-aging auxiliary agent mass ratio
Preferably (0.1~0.5):1000:(3.5~8), more preferably (0.2~0.4):1000:(4.0~6.5), more preferably
For 0.3:1000:5.
In the present invention, the dust-proof light modulation agricultural film includes internal layer.In the present invention, the internal layer includes light diffusate
Matter, polyvinyl resin, inorganic pigment and anti-aging auxiliary agent.
In the present invention, the smooth diffusate is preferably spherical；The particle diameter of the smooth diffusate preferably≤400nm,
More preferably 50~300nm, more preferably 200~300nm, most preferably 250nm.In the present invention, the light diffusion
Material is preferably included in organic silicon, polystyrene, polymethyl methacrylate, quartz silica, glass, titanium dioxide and zinc oxide
It is one or more.Specifically source no particular/special requirement of the invention to the smooth diffusate, using those skilled in the art institute
It is well known；In an embodiment of the present invention, the smooth diffusate specifically uses the commercially available prod of the smooth diffusate,
For example, particle diameter can be used for 100nm glass microballoon.In the present invention, when light wave is after dust-proof photic zone enters internal layer, enter
Penetrate illumination to be mapped on spherical light diffusate, light wave produces scattering to improve light around the surrounding of spherical smooth diffusate
Scattered power, obtains high scattered light.
In the present invention, the inorganic pigment preferably includes red phase phthalocyanine blue and/or blue phase phthalocyanine blue；When the inorganic face
Material is when including red phase phthalocyanine blue and blue phase phthalocyanine blue, the mass ratio of red the phase phthalocyanine blue and blue phase phthalocyanine blue be preferably (1~
3)：(3~1), more preferably (1.5~2.5)：(2.5~1.5).In the present invention, the red phase phthalocyanine blue is realized to red
The regulation and control of light, regulatable red wavelength range is 600~700nm.In the present invention, the blue phase phthalocyanine blue is realized to blue light
Regulation and control, regulatable blue wavelength range be 400~500nm.The present invention is to the specific source of the inorganic pigment without spy
It is different to require, using the commercially available prod of inorganic pigment well-known to those skilled in the art.
Source no particular/special requirement of the invention to polyvinyl resin in the internal layer, it is ripe using those skilled in the art institute
The commercially available prod known.
In the present invention, anti-aging auxiliary agent is consistent with the anti-aging auxiliary agent in the dust-proof printing opacity top layer in the internal layer,
It will not be repeated here.
In the present invention, the quality of light diffusate in the internal layer, polyvinyl resin, inorganic pigment and anti-aging auxiliary agent
Than being preferably (1~5):1000:(0.1~1)：(3.5~8), more preferably (2~4):1000:(0.2~0.8)：(4.0
~6.5), more preferably 3:1000:0.5:5.
In the present invention, the internal layer preferably includes light diffusion layer and light regulation and control layer；The light diffusion layer preferably includes light
Diffusate, polyvinyl resin and anti-aging auxiliary agent, light regulation and control layer preferably include inorganic pigment, polyvinyl resin and anti-ageing
Change auxiliary agent.In the present invention, the mass ratio of light diffusate, polyvinyl resin and anti-aging auxiliary agent is preferred in the light diffusion layer
For (1~5)：(200~800)：(1~7), more preferably (2~4)：500：(2~4).In the present invention, the light is adjusted
The mass ratio for controlling inorganic pigment, polyvinyl resin and anti-aging auxiliary agent in layer is preferably (0.1~1)：(200~800)：(1~
7), more preferably (0.2~0.8)：500：(2~4).
In the present invention, the thickness ratio of light diffusion layer and light the regulation and control layer is preferably (2~1)：1, more preferably
4：3.In the present invention, the thickness of the light diffusion layer is preferably 1~4 μm, more preferably 2~3 μm；In the present invention,
The thickness of the light regulation and control layer is preferably 1~4 μm, more preferably 2~3 μm.
In the present invention, the smooth diffusate, inorganic pigment, polyvinyl resin and anti-aging auxiliary agent and above-mentioned technical side
Light diffusate, inorganic pigment, polyvinyl resin described in case is consistent with anti-aging auxiliary agent, will not be repeated here.
Further, when the internal layer includes light diffusion layer and light regulation and control layer, the light diffusion layer preferably also includes inorganic
Pigment；When the light diffusion layer includes inorganic pigment, the inorganic pigment in the light diffusion layer regulates and controls the nothing of layer with the light
Machine pigment independently includes red phase phthalocyanine blue and/or blue phase phthalocyanine blue.In the present invention, in the light diffusion layer inorganic pigment and
The gross mass and the mass ratio of light diffusate in the light diffusion layer of inorganic pigment are preferably (0.1~1) in light regulation and control layer：(1
~5), more preferably (0.2~0.8)：(2~4), more preferably 0.5：3.In the present invention, in the light regulation and control layer
The mass ratio of inorganic pigment and the inorganic pigment in the light diffusion layer is preferably (1~3)：(3~1).Likewise, the present invention is right
It is consistent described in the smooth diffusate, polyvinyl resin and the restriction of inorganic pigment and above-mentioned technical proposal, herein not
Repeat again.
In the present invention, the preparation method of the dust-proof light modulation agricultural film is preferably included：The raw material of the layer is mixed respectively
Close, then each layer batch mixing is while blown film molding bonded.
The mode that the present invention is mixed to the raw material does not have specific requirement, using raw material well-known to those skilled in the art
The mode of mixing.In the present invention, the mixing is preferred to use churned mechanically mode；The churned mechanically time is excellent
Elect 10~20min, more preferably 12~15min as；The churned mechanically rotating speed is preferably 100~300rpm, enters one
Step is preferably 150~200rpm.
After the mixing, present invention preferably employs the shaping that the mode of blowfilm shaping realizes agricultural film.In the present invention, it is described
Blowfilm shaping is preferably multilayer blown film mode altogether, and specially two layers blown film, three layers of common blown film, four layers of common blown film or five layers blow altogether altogether
Film.The present invention does not have particular/special requirement to the specific implementation form of the common blown film of the multilayer, using well known to those skilled in the art
Multilayer altogether blown film form of implementation.
When the dust-proof light modulation agricultural film includes dust-proof printing opacity top layer and internal layer, the preparation method preferably includes following step
Suddenly：(a) raw material including the nucleation-accelerant, polyvinyl resin and anti-aging auxiliary agent is mixed, obtains dust-proof printing opacity top layer and use
Batch mixing；(b) raw material including the smooth diffusate, polyvinyl resin and inorganic pigment is mixed, obtains internal layer batch mixing；
(c) by the dust-proof printing opacity top layer batch mixing and internal layer batch mixing while blown film molding bonded；The step (a) and step (b)
There is no time order and function order.
When the internal layer of the dust-proof light modulation agricultural film includes light diffusion layer and light regulation and control layer, the preparation method is preferably included
Following steps：The raw material of each layer is mixed respectively, dust-proof printing opacity top layer batch mixing, light diffusion layer batch mixing and light regulation and control are obtained
Layer batch mixing；By the obtained dust-proof printing opacity top layer batch mixing, light diffusion layer batch mixing and light regulation and control layer batch mixing, blown film is bonded simultaneously
Shaping.
In the present invention, during the blown film molding bonded, dust-proof printing opacity top layer batch mixing, light diffusion layer batch mixing and light regulation and control
The relative position of layer batch mixing is preferably set according to the relative position of dust-proof light modulation each interlayer of agricultural film.
In the present invention, tied between dust-proof light modulation each layer of agricultural film by the adhesive property between each layer itself
Close, without using additional binding agent.
The invention provides a kind of dust-proof light modulation agricultural film, including：Dust-proof printing opacity top layer and internal layer；The dust-proof printing opacity top layer
Including nucleation-accelerant, polyvinyl resin and anti-aging auxiliary agent；The internal layer includes light diffusate, polyvinyl resin, inorganic face
Material and anti-aging auxiliary agent.
The present invention combines the effect of polyvinyl resin and anti-aging auxiliary agent by the addition of nucleation-accelerant so that dust-proof printing opacity
Top layer has good barrier property, so as to effectively prevent the small-molecule substance of other layers in agricultural film to surface migration, effectively
Dust adhesion is avoided to cause light transmittance to decline；Include the dust-proof printing opacity of nucleation-accelerant, polyvinyl resin and anti-aging auxiliary agent simultaneously
Top layer contributes to the surface tension of reduction agricultural film, reduction in surface tension, and then surface to reduce, and has while reduction dust adhesion
Beneficial to the elution of dust；Internal layer including light diffusate, polyvinyl resin, inorganic pigment and anti-aging auxiliary agent causes agricultural film to have
There are light diffusion function and light adjusting function.
Embodiment 1
According to nucleation-accelerant, polyvinyl resin and anti-aging auxiliary agent mass ratio 0.1:1000:3.5, configure nucleation-accelerant, gather
Vinyl and antioxidant 1010, obtain top layer batch mixing；According to the quartzy microballoon of molten silicon, polyvinyl resin, inorganic pigment and
The mass ratio 1 of antioxidant 1010:1000:0.1：3.5, the quartzy microballoon of configuration molten silicon, polyvinyl resin and red phase phthalocyanine blue with
And blue phase phthalocyanine blue, internal layer batch mixing is obtained, wherein the mass ratio of red phase phthalocyanine blue and blue phase phthalocyanine blue is 1:1.
By the top layer batch mixing and internal layer batch mixing while blowfilm shaping, obtains dust-proof light modulation agricultural film, wherein, dust-proof printing opacity table
The thickness ratio of layer and internal layer is 1:2, respectively 4 μm and 8 μm, structural representation is as shown in Figure 1.
Red blue light is carried out to obtained agricultural film than test, red blue light ratio is 1.12.
Spectrophotometer is used to obtained agricultural film, according to the regulation of the 6th chapter in GB/T9721, light transmittance test is carried out,
Test result is that light transmittance reaches 91%.
Surface tension test is carried out to obtained agricultural film, test result is that surface tension is 31mN/m.
Embodiment 2
According to nucleation-accelerant, polyvinyl resin and anti-aging auxiliary agent mass ratio 0.1:1000:3.5, configure nucleation-accelerant, gather
Vinyl and antioxidant 1010, obtain top layer batch mixing；According to the quartzy microballoon of molten silicon, polyvinyl resin, inorganic pigment and anti-
The mass ratio 1 of oxidant 1010:1000:0.1：3.5, the quartzy microballoon of configuration molten silicon, polyvinyl resin, antioxidant 1010 and
Red phase phthalocyanine blue and blue phase phthalocyanine blue, obtain internal layer batch mixing, wherein the mass ratio of red phase phthalocyanine blue and blue phase phthalocyanine blue is 2:
1。
By the top layer batch mixing and internal layer batch mixing while blowfilm shaping, obtains dust-proof light modulation agricultural film, wherein, dust-proof printing opacity table
The thickness ratio of layer and internal layer is 1:2.
Red blue light is carried out to obtained agricultural film than test, red blue light ratio is 1.72.
Light transmittance test is carried out, test result is that light transmittance reaches 92%.
Surface tension test is carried out to obtained agricultural film, test result is that surface tension is 30.5mN/m.
Embodiment 3
According to nucleation-accelerant, polyvinyl resin and anti-aging auxiliary agent mass ratio 0.1:1000:3.5, configure nucleation-accelerant, gather
Vinyl and antioxidant 1010, obtain top layer batch mixing；According to mass ratio 2：400：0.4：3 proportional arrangement molten silicon quartz is micro-
Ball, polyvinyl resin, red phase phthalocyanine blue and irgasfos 168, obtain light diffusion layer batch mixing；According to mass ratio 0.5：600：5 ratio
Example configuration blue phase phthalocyanine blue, polyvinyl resin and irgasfos 168, obtain light regulation and control layer batch mixing；Wherein red phase phthalocyanine blue and blue phase
The mass ratio of phthalocyanine blue is 0.8:1.
Using light diffusion layer as intermediate layer, light regulation and control layer sets the relative position of raw material for the order of innermost layer, by the table
Layer batch mixing, light diffusion layer batch mixing and light regulation and control layer batch mixing are while blowfilm shaping, obtains dust-proof light modulation agricultural film.Wherein, dust-proof printing opacity
The thickness ratio on top layer, light diffusion layer and light regulation and control layer is 1:1:1, each thickness degree is respectively 3 μm, structural representation such as Fig. 2 institutes
Show.
Red blue light is carried out to obtained agricultural film than test, red blue light ratio is 0.89.
Translucency is carried out using the method consistent with embodiment 1 to the agricultural film prepared to test, light transmittance reaches
93%.
Surface tension test is carried out to obtained agricultural film, test result is that surface tension is 31mN/m.
Embodiment 4
According to nucleation-accelerant, polyvinyl resin and anti-aging auxiliary agent mass ratio 0.1:1000:3.5, configure nucleation-accelerant, gather
Vinyl and antioxidant 1010, obtain top layer batch mixing；According to mass ratio 2：600：0.4：3 proportional arrangement molten silicon quartz is micro-
Ball, polyvinyl resin, red phase phthalocyanine blue and irgasfos 168, obtain light diffusion layer batch mixing；According to mass ratio 0.5：400：4 ratio
Example configuration blue phase phthalocyanine blue, polyvinyl resin and irgasfos 168, obtain light regulation and control layer batch mixing；Wherein red phase phthalocyanine blue and blue phase
The mass ratio of phthalocyanine blue is 0.8:1.
Using light diffusion layer as intermediate layer, light regulation and control layer sets the relative position of raw material for the order of innermost layer, by the table
Layer batch mixing, light diffusion layer batch mixing and light regulation and control layer batch mixing are while blowfilm shaping, obtains dust-proof light modulation agricultural film.Wherein, dust-proof printing opacity
The thickness ratio on top layer, light diffusion layer and light regulation and control layer is 1:1:1, each thickness degree is respectively 3 μm.
Red blue light is carried out to obtained agricultural film than test, red blue light ratio is 0.94.
Translucency is carried out using the method consistent with embodiment 1 to the agricultural film prepared to test, light transmittance reaches
93.5%.
Surface tension test is carried out to obtained agricultural film, test result is that surface tension is 29.5mN/m.
Embodiment 5
According to nucleation-accelerant, polyvinyl resin and anti-aging auxiliary agent mass ratio 0.3:1000:5, configuration nucleation-accelerant, poly- second
Olefine resin and oxidant 1010, obtain dust-proof printing opacity top layer batch mixing；According to mass ratio 3.5：600：4：0.4 proportional arrangement melts
Melt quartz silica microballoon, polyvinyl resin, irgasfos 168 and red phase phthalocyanine blue, light diffusion layer batch mixing is obtained, according to mass ratio 0.5：
400：4 proportional arrangement blue phase phthalocyanine blue, polyvinyl resin and irgasfos 168, obtains light regulation and control layer batch mixing；Wherein red phase phthalein is blue or green
The mass ratio of blue and blue phase phthalocyanine blue is 0.8:1.
Using light diffusion layer as intermediate layer, light regulation and control layer sets the relative position of raw material for the order of innermost layer, by the table
Layer batch mixing, light diffusion layer batch mixing and light regulation and control layer batch mixing are while blowfilm shaping, obtains dust-proof light modulation agricultural film.Wherein, dust-proof printing opacity
The thickness ratio on top layer, light diffusion layer and light regulation and control layer is 1:2:1, the thickness on dust-proof printing opacity top layer is specially 2 μm, light diffusion layer
Thickness be 4 μm, light regulation and control layer thickness be 2 μm, structural representation is as shown in Figure 3.
Red blue light is carried out to obtained agricultural film than test, red blue light ratio is 0.96.
Translucency is carried out using the method consistent with embodiment 1 to the agricultural film prepared to test, light transmittance reaches
96.1%.
Surface tension test is carried out to obtained agricultural film, test result is that surface tension is 28mN/m.
Embodiment 6
According to nucleation-accelerant, polyvinyl resin and anti-aging auxiliary agent mass ratio 0.5:1000:8, configuration nucleation-accelerant, poly- second
Olefine resin and oxidant 1010, obtain dust-proof printing opacity top layer batch mixing；According to mass ratio 5：600：4：0.6 proportional arrangement melting
Quartz silica microballoon, polyvinyl resin, irgasfos 168 and blue phase phthalocyanine blue, obtain light diffusion layer batch mixing, according to mass ratio 0.3：
400：The 4 red phase phthalocyanine blue of proportional arrangement, polyvinyl resin and anti-aging auxiliary agent, obtains light regulation and control layer batch mixing；Wherein red phase phthalein
The mass ratio of ultramarine and blue phase phthalocyanine blue is 0.5:1.
Using light diffusion layer as intermediate layer, light regulation and control layer sets the relative position of raw material for the order of innermost layer, by the table
Layer batch mixing, light diffusion layer batch mixing and light regulation and control layer batch mixing are while blowfilm shaping, obtains dust-proof light modulation agricultural film.Wherein, dust-proof printing opacity
The thickness ratio on top layer, light diffusion layer and light regulation and control layer is 3:4:3, each thickness degree is respectively 3 μm, 4 μm and 3 μm, structural representation
Figure is as shown in Figure 4.
Red blue light is carried out to obtained agricultural film than test, red blue light ratio is 0.55.
Translucency is carried out using the method consistent with embodiment 1 to the agricultural film prepared to test, light transmittance reaches
94.2%.
Surface tension test is carried out to obtained agricultural film, test result is that surface tension is 30mN/m.
Embodiment 7
According to nucleation-accelerant, polyvinyl resin and anti-aging auxiliary agent mass ratio 0.5:1000:8, configuration nucleation-accelerant, poly- second
Olefine resin and antioxidant 1010, obtain dust-proof printing opacity top layer batch mixing；According to the quartzy microballoon of molten silicon, polyvinyl resin and antioxygen
The mass ratio of agent 168 is 5：500：4 proportional arrangement, obtains light diffusion layer batch mixing；According to inorganic pigment, polyvinyl resin and anti-
The mass ratio 1 of oxygen agent 168：500：4, configuration obtains light regulation and control layer batch mixing, and wherein inorganic pigment is that mass ratio is 0.5：1 red phase
Phthalocyanine blue and blue phase phthalocyanine blue.
Using light diffusion layer as intermediate layer, light regulation and control layer sets the relative position of raw material for the order of innermost layer, by the table
Layer batch mixing, light diffusion layer batch mixing and light regulation and control layer batch mixing are while blowfilm shaping, obtains dust-proof light modulation agricultural film.Wherein, dust-proof printing opacity
The thickness ratio on top layer, light diffusion layer and light regulation and control layer is 3:4:3, each thickness degree is respectively 3 μm, 4 μm and 3 μm, structural representation
Figure is as shown in Figure 2.
Red blue light is carried out to obtained agricultural film than test, red blue light ratio is 2.55.
Translucency is carried out using the method consistent with embodiment 1 to the agricultural film prepared to test, light transmittance reaches
94.2%.
Surface tension test is carried out to obtained agricultural film, test result is that surface tension is 30.5mN/m.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of dust-proof light modulation agricultural film, including：Dust-proof printing opacity top layer and internal layer；
The dust-proof printing opacity top layer includes nucleation-accelerant, polyvinyl resin and anti-aging auxiliary agent；
The internal layer includes light diffusate, polyvinyl resin, inorganic pigment and anti-aging auxiliary agent.
2. dust-proof light modulation agricultural film according to claim 1, it is characterised in that the thickness of the dust-proof light modulation agricultural film for 8~
15μm。
3. dust-proof light modulation agricultural film according to claim 1, it is characterised in that the thickness of the dust-proof printing opacity top layer and internal layer
Than for 1:2、3:7 or 1:3.
4. dust-proof light modulation agricultural film according to claim 1, it is characterised in that the internal layer includes light diffusion layer and light regulates and controls
Layer；The dust-proof printing opacity top layer is arranged on light diffusion layer；
The light diffusion layer includes light diffusate, polyvinyl resin and anti-aging auxiliary agent；
The light regulation and control layer includes inorganic pigment, polyethylene numerical value and anti-aging auxiliary agent.
5. dust-proof light modulation agricultural film according to claim 4, it is characterised in that the dust-proof light modulation top layer, light diffusion layer and
The thickness ratio of light regulation and control layer is 1:1:1、3:4:3 or 1:2:1.
6. the dust-proof light modulation agricultural film according to any one of Claims 1 to 5, it is characterised in that the nucleation-accelerant includes nothing
Machine nanoparticle nucleation agent.
7. the dust-proof light modulation agricultural film according to any one of Claims 1 to 5, it is characterised in that the anti-aging auxiliary agent includes
(2,4- di-tert-butyl-phenyls) ester of phosphorous acid three and/or four [β-(3,5 di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythrites.
8. the dust-proof light modulation agricultural film according to any one of Claims 1 to 5, it is characterised in that the smooth diffusate is ball
Shape, particle diameter≤400nm of the smooth diffusate.
9. dust-proof light modulation agricultural film according to claim 8, it is characterised in that the smooth diffusate includes organosilicon, gathered
One or more in styrene, polymethyl methacrylate, quartz silica, titanium dioxide and zinc oxide.
10. the dust-proof light modulation agricultural film according to any one of Claims 1 to 5, it is characterised in that the inorganic pigment includes red
Phase phthalocyanine blue and/or blue phase phthalocyanine blue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710357984.2A CN107053803A (en) | 2017-05-19 | 2017-05-19 | A kind of dust-proof light modulation agricultural film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710357984.2A CN107053803A (en) | 2017-05-19 | 2017-05-19 | A kind of dust-proof light modulation agricultural film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107053803A true CN107053803A (en) | 2017-08-18 |
Family
ID=59609429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710357984.2A Pending CN107053803A (en) | 2017-05-19 | 2017-05-19 | A kind of dust-proof light modulation agricultural film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107053803A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108094006A (en) * | 2017-12-26 | 2018-06-01 | 东莞市正新包装制品有限公司 | PE mulches |
| CN109485986A (en) * | 2018-11-16 | 2019-03-19 | 山东隆昌塑业有限公司 | A kind of dust-proof mulch that can be cleared up automatically |
| CN110518076A (en) * | 2019-08-24 | 2019-11-29 | 山东金蚂蚁塑业有限公司 | A kind of light energy battery conversion film |
| CN113720556A (en) * | 2020-05-25 | 2021-11-30 | 北京新能源汽车股份有限公司 | Method and device for detecting dust tightness of vehicle |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101003720A (en) * | 2007-01-22 | 2007-07-25 | 白山市喜丰塑业有限公司 | Multifunctional three layers combined antifog film of polythene for shed |
| CN101456989A (en) * | 2008-11-21 | 2009-06-17 | 黄泽兴 | Multi-functional polyethylene agricultural film |
| CN202130093U (en) * | 2011-07-08 | 2012-02-01 | 黄泽兴 | Multifunctional polyethylene agricultural film |
| CN103087393A (en) * | 2013-02-19 | 2013-05-08 | 刘德元 | Converted blue light long-life-light-conversion multifunctional mulching film |
| KR200467580Y1 (en) * | 2012-09-13 | 2013-06-20 | (주)산과들 | Vinyl Films for Cultivating of Crops |
| CN103978756A (en) * | 2014-05-14 | 2014-08-13 | 聊城华塑工业有限公司 | Internal-addition type dustproof greenhouse membrane and preparing method thereof |
| CN105263311A (en) * | 2013-06-04 | 2016-01-20 | 希爱化成株式会社 | Agricultural film |
| CN105713288A (en) * | 2016-03-30 | 2016-06-29 | 华南农业大学 | Agricultural film with light conversion function as well as preparation method and application of agricultural film |
| CN106633563A (en) * | 2016-10-09 | 2017-05-10 | 武庆东 | Masterbatch of polyolefin surface film having dust preventing function and applications thereof in greenhouse film |
-
2017
- 2017-05-19 CN CN201710357984.2A patent/CN107053803A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101003720A (en) * | 2007-01-22 | 2007-07-25 | 白山市喜丰塑业有限公司 | Multifunctional three layers combined antifog film of polythene for shed |
| CN101456989A (en) * | 2008-11-21 | 2009-06-17 | 黄泽兴 | Multi-functional polyethylene agricultural film |
| CN202130093U (en) * | 2011-07-08 | 2012-02-01 | 黄泽兴 | Multifunctional polyethylene agricultural film |
| KR200467580Y1 (en) * | 2012-09-13 | 2013-06-20 | (주)산과들 | Vinyl Films for Cultivating of Crops |
| CN103087393A (en) * | 2013-02-19 | 2013-05-08 | 刘德元 | Converted blue light long-life-light-conversion multifunctional mulching film |
| CN105263311A (en) * | 2013-06-04 | 2016-01-20 | 希爱化成株式会社 | Agricultural film |
| CN103978756A (en) * | 2014-05-14 | 2014-08-13 | 聊城华塑工业有限公司 | Internal-addition type dustproof greenhouse membrane and preparing method thereof |
| CN105713288A (en) * | 2016-03-30 | 2016-06-29 | 华南农业大学 | Agricultural film with light conversion function as well as preparation method and application of agricultural film |
| CN106633563A (en) * | 2016-10-09 | 2017-05-10 | 武庆东 | Masterbatch of polyolefin surface film having dust preventing function and applications thereof in greenhouse film |
Non-Patent Citations (1)
| Title |
|---|
| 吴培熙等: "《塑料制品生产工艺手册（第二版）》", 31 May 1988, 化学工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108094006A (en) * | 2017-12-26 | 2018-06-01 | 东莞市正新包装制品有限公司 | PE mulches |
| CN109485986A (en) * | 2018-11-16 | 2019-03-19 | 山东隆昌塑业有限公司 | A kind of dust-proof mulch that can be cleared up automatically |
| CN110518076A (en) * | 2019-08-24 | 2019-11-29 | 山东金蚂蚁塑业有限公司 | A kind of light energy battery conversion film |
| CN113720556A (en) * | 2020-05-25 | 2021-11-30 | 北京新能源汽车股份有限公司 | Method and device for detecting dust tightness of vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107053803A (en) | A kind of dust-proof light modulation agricultural film | |
| CN106753056B (en) | White polyolefin packaging adhesive film and preparation method thereof for solar cell module | |
| JP4998781B2 (en) | UV / NIR light shielding dispersion for windows and UV / NIR light shielding for windows | |
| CN104487397B (en) | Hot line masking sandwich structural body | |
| CN107966855A (en) | A kind of green quantum dot film and its backlight module | |
| CN107312522A (en) | A kind of high stability quantum dot fluorescence membrane preparation method | |
| CN107400466A (en) | A kind of production technology of ultralow medium-temperature reinforced description film | |
| CN113308206A (en) | High-reflection black adhesive film and preparation method and application thereof | |
| CN108102194A (en) | A kind of PE film packing materials and preparation method thereof | |
| CN107984839A (en) | A kind of composite protection layer and flexible display apparatus | |
| CN106634652A (en) | Production process for dimming film | |
| CN107602997A (en) | A kind of production technology of EVA colored solars film | |
| CN109337673A (en) | A kind of hypovanadic oxide-based fluorescence composite material and its application | |
| CN106661293B (en) | Heat ray shielding film, heat ray masking interlayer transparent substrate, automobile, fabrication | |
| CN107573726B (en) | A kind of heat insulation uviol and its manufacturing method | |
| CN107759932A (en) | A kind of light scattering inorganic microsphere and preparation method for crops plastic greenhouse film | |
| CN106526961B (en) | Super-hydrophobic quantum dot film with high scattering property and preparation method thereof | |
| CN207028428U (en) | A kind of dust-proof light modulation agricultural film | |
| CN102744943A (en) | Method for manufacturing agricultural film coated by high performance polyolefin | |
| CN207851460U (en) | Dim membrane module | |
| CN108089364A (en) | A kind of self-adhering type light modulation film and preparation method thereof | |
| CN208999590U (en) | A kind of optical compound film | |
| CN107746472A (en) | film and preparation method thereof | |
| KR102410094B1 (en) | Fabrication method of colored glass for BIPV comprising dissolution EVA and pearl pigment | |
| CN109627997A (en) | A kind of low haze polyolefin adhesive film and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170818 |
|
| RJ01 | Rejection of invention patent application after publication |