CN107513387A - A kind of light conversion agent and preparation method thereof and green glow turn feux rouges greenhouse film and preparation method thereof - Google Patents
A kind of light conversion agent and preparation method thereof and green glow turn feux rouges greenhouse film and preparation method thereof Download PDFInfo
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- CN107513387A CN107513387A CN201710494631.7A CN201710494631A CN107513387A CN 107513387 A CN107513387 A CN 107513387A CN 201710494631 A CN201710494631 A CN 201710494631A CN 107513387 A CN107513387 A CN 107513387A
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- C09K11/7729—Chalcogenides
- C09K11/7731—Chalcogenides with alkaline earth metals
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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
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Abstract
The invention belongs to light conversion agent and greenhouse film field.A kind of light conversion agent, chemical formula are：Na2+2yM1‑x‑yZr2O6：xEu2+, wherein M represents one or more of combinations in Mg, Ca, Sr, Ba element, and the span of the x is 0.01≤x≤0.2, and y span is 0.5≤y≤0.5.The advantages of light conversion agent is that chemistry and good light stability, luminous efficiency height, particle are uniformly dispersed, it is easy to be merged with film matrix, emission spectrum is located at red light region, match with the orange light needed for photosynthesis of plant, particularly its excitation peak is located at green wavelength, can make full use of the green color components that content is most in sunshine.
Description
Technical field
The invention belongs to light conversion agent and greenhouse film field, more particularly to a kind of light conversion agent and uses the green of the light conversion agent
Light turns feux rouges greenhouse film.
Background technology
Plant physiology research shows that photosynthesis is that plant carries out the main next of energy needed for vital movement and growth
Source.For green plants, its photosynthesis is mainly to be completed by chlorophyll.Scientific investigations showed that the absorption of chlorophyll
The blue violet light area and 600nm~680nm blood orange light area that spectrum is 400nm~480nm, that is to say, that intentional to photosynthesis
Justice is blue violet light and blood orange light, the effect of other light and unobvious, or even harmful.However, received by earth surface too
In sunlight, wavelength is that 300nm~750nm light only about accounts for the half of whole solar spectrum, that is to say, that in solar spectrum also
In the presence of the light being largely harmful to plant growth, and it is beneficial to the blue violet light and blood orange luminous intensity deficiency of plant growth, influences to plant
The photosynthetic efficiency of thing.
Conversion film is a kind of new feature greenhouse film, by the research and development and popularization and application of nearly more than ten years,
Gradually received by numerous vegetable growers.Different light medium film can carry out regulating plant growth as physical means.It was verified that conversion film is increasing
The photosynthesis of strong plant, the utilization rate for improving effective light, promote early ripening of the crops volume increase, improve fruit quality etc. have compared with
Significant effect.Why conversion film can carry out light conversion, and its core technology is that a small amount of turn is with the addition of in film matrix
Photo etching, but the problem of certain more or less all be present in the light conversion agent applied in the market.Such as rare earth inorganic compound type
Light conversion agent good light stability, but resistance to hygroscopy difference and the bad dispersibility in resin；Rare earth organic coordination compound type light conversion agent lights
Efficiency high and there is a good compatibility with resin, but there is also fluorescence decay is fast and the problem of photostability difference；Organic fluorescence contaminates
Expect good dispersion in resin, but luminous intensity is not high and Spectral matching with crop is bad.And research report at present
Agricultural light conversion agent be mainly Eu3+、Sm3+And Mn4+Plasma is launched at the sharp peak of red light region, and its absorption spectrum is main
To be located at purple light and black light region.In fact, ultraviolet light only accounts for 1~3% in daylight composition, during many sample tests,
Have under uviol lamp and significantly turn light effect, but actual button canopy effect unobvious, it is few that its reason can exactly turn ultraviolet source
Spectral component needed for photosynthesis is misfitted with the feux rouges sharp peak transmitting changed into.
The content of the invention
In order to overcome above-mentioned light conversion agent in the prior art to exist, resistance to hygroscopy is poor, be not easy to disperse, fluorescence decay is fast, light is stable
The poor, luminous intensity of property is not high and a series of problems, such as Spectral matching with crop is bad, it is an object of the present invention to provide
One kind is not easy deliquescence, chemistry and good light stability, luminous efficiency height, is easy to light conversion agent and its system merged with film matrix
Preparation Method.It is a further object to provide a kind of green glow for having used above-mentioned light conversion agent to turn feux rouges greenhouse film.
To solve above-mentioned the deficiencies in the prior art, the technical solution adopted in the present invention is：A kind of light conversion agent, chemical formula
For：Na2+2yM1-x-yZr2O6：xEu2+, wherein M represents one or more of combinations in Mg, Ca, Sr, Ba element, and the x
Span is 0.01≤x≤0.2, and y span is -0.5≤y≤0.5.
A kind of preparation method of light conversion agent, preparation method comprise the following steps：(1) with NaCO3、MgCO3、CaCO3、
SrCO3、BaCO3、ZrO2And Eu2O3For raw material, according to chemical formula Na2+2yM1-x-yZr2O6：xEu2+Stoichiometric proportion weigh each original
Material, wherein x span is 0.01≤x≤0.2, and y span is -0.5≤y≤0.5；(2) step (1) is obtained
Raw material is well mixed after being fully ground in agate mortar；(3) mixture that step (2) obtains is put into corundum crucible, so
Corundum crucible and mixture are put into high temperature process furnances together afterwards and carry out calcination, calcination temperature is 1000-1400 DEG C, during calcination
Between be 3-6 hours, sample is cooled to room temperature with stove after the completion of calcination, finally take out obtain sintered body；(4) step (3) is obtained
Sintered body carry out ball mill grinding, then with distilled water washing and drying, produce the light conversion agent.
Preferably, sintering atmosphere is 5% hydrogen and 95% nitrogen mixture.
Green glow turns feux rouges greenhouse film, and greenhouse film is made up of film matrix, light conversion agent and hardening agent；By weight percentage
Meter：Light conversion agent is 0.1-3.0%, hardening agent 0.1%-5.0%, and remaining is film matrix；Light conversion agent is described in claim 1
Light conversion agent.
Preferably, the composition of the film matrix is polyethylene, polyvinyl chloride, ethylene-vinyl acetate copolymer, poly- third
One or more in alkene.
Preferably, the hardening agent is the one or more in drip agent, light stabilizer, antioxidant, heat stabilizer
Combination.Further, the drip agent is glyceryl stearate, and light stabilizer is tricresol phosphate, and antioxidant is salicylic acid
Phenyl ester, heat stabilizer are zinc stearate.
Preferably, film thickness is 0.1-0.2mm.
Green glow turns the preparation method of feux rouges greenhouse film, it is characterised in that the described method comprises the following steps：(1) light is turned
It is prepared by master batch：Weigh film matrix resin 40-80 parts by weight percentage, light conversion agent 10-30 parts, hardening agent 4-40 parts, then
It is well mixed in 150-200 DEG C of plasticator, is finally fabricated to light conversion master batch using comminutor extrusion；(2) sheet blowing：Press
Percentage by weight weighs light conversion master batch 1-10%, film base material 90-99%, is well mixed under conditions of 150-200 DEG C,
Film is blow molded on inflation film manufacturing machine.
Compared with prior art, the beneficial effects of the invention are as follows：(1) preparation technology of light conversion agent is simple, the cost of material is low
It is honest and clean, be not easy that deliquescence, chemistry and good light stability, luminous efficiency be high, particle is uniformly dispersed, be easy to be merged with film matrix；
(2) emission spectrum is located at red light region, matches with the orange light needed for photosynthesis of plant, and particularly its excitation peak is positioned at green
Light region, the green color components that content is most in sunshine can be made full use of；(3) having used the green glow of the light conversion agent, to turn feux rouges big
Canopy film, can make full use of the green color components that content is most in sunshine, and green glow turns red efficiency height, promotes plant growth
Effect is good.
Brief description of the drawings
Fig. 1 is the excitation and emission spectra figure of light conversion agent prepared by the embodiment of the present invention 1.
Embodiment
The present invention is described in further detail with reference to Figure of description and specific embodiment.
Embodiment 1
It is prepared by light conversion agent：First, with high-purity NaCO3、MgCO3、ZrO2And Eu2O3For raw material, according to chemical formula
Na2Mg0.98Zr2O6：0.02Eu2+Stoichiometric proportion weigh each raw material, be fully ground in agate mortar well mixed；Then
Mixture is put into corundum crucible, calcination is carried out in high temperature process furnances, calcination temperature is 1000 DEG C, and calcination time is 6 small
When, sintering atmosphere is 5% hydrogen and 95% nitrogen mixture, and sample is cooled to room temperature with stove after the completion of calcination, finally takes
Go out sintered body and ball mill grinding, washing and drying are carried out to it, produce a kind of light conversion agent.
Sheet blowing：40 parts of polyvinyl resin is weighed by weight percentage, and 20 parts of light conversion agent, hardening agent is respectively stearic acid
10 parts of glyceride, 10 parts of tricresol phosphate, 10 parts of phenyl salicylate, 10 parts of zinc stearate；Then mixed in 200 DEG C of plasticator
Close uniformly, light conversion master batch is fabricated to using comminutor extrusion；Finally, light conversion master batch 2%, polyvinyl are weighed by weight percentage
Body material 98%, film, film thickness 0.1mm are blow molded on inflation film manufacturing machine under conditions of 200 DEG C, you can obtain a kind of green
Light turns feux rouges greenhouse film.
Fig. 1 is light conversion agent excitation and emission spectra figure prepared by embodiment 1 provided by the invention.From figure it can be found that
Its suitable excitation wavelength covers the green glow of 460-580nm scopes, and when being excited with 540nm green glow, it launches peak position
645nm, halfwidth 80nm are set to, the Spectral matching required for photosynthesis is carried out with plant.
Turn red without using the romaine lettuce A of film plantation, the romaine lettuce B planted using commercial membrane and the green glow prepared using embodiment 1
The romaine lettuce C of light greenhouse film plantation carries out Growth of Lettuce index Test.Growth of Lettuce index dynamic measure explanation：Randomly select 20
The close romaine lettuce of strain sample parameter, is repeated 3 times, and measurement romaine lettuce plant height, strain width, leaf are long, leaf width.Ground and ground are first weighed after sampling
The fresh weight of bottom, its dry weight is surveyed after then being dried to constant weight in 60 DEG C of baking ovens；Chlorophylls and Carotenoids assay, which uses, to be divided
Light photometry；Crude protein content measure uses Coomassie brilliant G-250 decoration method；Vc assays use AAS；Can
Dissolubility sugared content measure uses anthrone colorimetry；Nitrate content measure uses ultraviolet spectrophotometry.Experiment is single factor test reality
Design is tested, means except the different of film or whether there is film, other condition is basically identical, so these indexs are if notable
Difference, all it is as caused by the difference of film, number of days is after planting 40 days, test data table 1 below.
Table 1：
Turn red without using the cucumber A of film plantation, the cucumber B planted using commercial membrane and the green glow prepared using embodiment 1
The cucumber C of light greenhouse film plantation carries out cucumber growth index Test.Growth of Lettuce index dynamic measure explanation：Randomly select 20
The close romaine lettuce of strain sample parameter, is repeated 3 times.65 days after nursery, test data table 2 below.
Table 2：
| Cucumber A | Cucumber B | Cucumber C | |
| Total output (kg/pot) | 0.77±0.0208 | 0.82±0.0208 | 0.89±0.0024 |
| Single fruit weight (g) | 90.23±1.1 | 93.5±1.18 | 97.88±1.21 |
| Diameter (mm) | 27.07±0.88 | 27.97±0.24 | 29.89±0.54 |
| Melon grows (cm) | 16.3±0.52 | 17.47±0.35 | 17.69±0.52 |
| Moisture content (%) | 95.82±0.14 | 96.11±0.52 | 95.98±0.22 |
| Vitamin (mg/kg) | 134.33±7.01 | 137.23±3.17 | 129.87±6.12 |
| Nitrate (mg/kg) | 227.59±9.24 | 186.32±5.29 | 182.32±2.6 |
| Soluble sugar (mg/g) | 8.64±0.06 | 9.26±0.09 | 9.67±0.05 |
| Organic acid (mg/g) | 7.6±0.32 | 8.1±0.17 | 7.79±0.12 |
Embodiment 2
It is prepared by light conversion agent：First, with high-purity NaCO3、MgCO3、ZrO2And Eu2O3For raw material, according to chemical formula
Na3Mg0.499Zr2O6：0.001Eu2+Stoichiometric proportion weigh each raw material, be fully ground in agate mortar well mixed；So
Mixture is put into corundum crucible afterwards, calcination is carried out in high temperature process furnances, calcination temperature is 1100 DEG C, calcination time 5
Hour, sintering atmosphere is 5% hydrogen and 95% nitrogen mixture, and sample is cooled to room temperature with stove after the completion of calcination, finally
Take out sintered body and ball mill grinding, washing and drying are carried out to it, produce a kind of light conversion agent.
Sheet blowing：45 parts of polyvinyl resin is weighed by weight percentage, and 30 parts of light conversion agent, hardening agent is respectively stearic acid
10 parts of glyceride, 5 parts of tricresol phosphate, 5 parts of phenyl salicylate, 5 parts of zinc stearate；Then mixed in 180 DEG C of plasticator
Uniformly, it is fabricated to light conversion master batch using comminutor extrusion；Finally, light conversion master batch 10%, polyvinyl are weighed by weight percentage
Body material 90%, film, film thickness 0.1mm are blow molded on inflation film manufacturing machine under conditions of 200 DEG C, you can obtain a kind of green
Light turns feux rouges greenhouse film.
Embodiment 3
It is prepared by light conversion agent：First, with high-purity NaCO3、CaCO3、ZrO2And Eu2O3For raw material, according to chemical formula
Na2Ca0.96Zr2O6：0.04Eu2+Stoichiometric proportion weigh each raw material, be fully ground in agate mortar well mixed；Then
Mixture is put into corundum crucible, calcination is carried out in high temperature process furnances, calcination temperature is 1200 DEG C, and calcination time is 4 small
When, sintering atmosphere is 5% hydrogen and 95% nitrogen mixture, and sample is cooled to room temperature with stove after the completion of calcination, finally takes
Go out sintered body and ball mill grinding, washing and drying are carried out to it, produce a kind of light conversion agent.
Sheet blowing：50 parts of Corvic, 25 parts of light conversion agent are weighed by weight percentage, and hardening agent is respectively tristearin
5 parts of acid glyceride, 10 parts of tricresol phosphate, 5 parts of phenyl salicylate, 5 parts of zinc stearate；Then mixed in 180 DEG C of plasticator
Close uniformly, light conversion master batch is fabricated to using comminutor extrusion；Finally, light conversion master batch 4%, polyvinyl chloride are weighed by weight percentage
Matrix material 96%, film, film thickness 0.15mm are blow molded on inflation film manufacturing machine under conditions of 180 DEG C, you can obtain one
Kind green glow turns feux rouges greenhouse film.
Embodiment 4
It is prepared by light conversion agent：First, with high-purity NaCO3、CaCO3、SrCO3、ZrO2And Eu2O3For raw material, according to chemical formula
NaCaSr0.3Zr2O6：0.2Eu2+Stoichiometric proportion weigh each raw material, be fully ground in agate mortar well mixed；Then
Mixture is put into corundum crucible, calcination is carried out in high temperature process furnances, calcination temperature is 1300 DEG C, when calcination time is 3,
Sintering atmosphere is 5% hydrogen and 95% nitrogen mixture, and sample is cooled to room temperature with stove after the completion of calcination, finally takes out and burns
Knot body simultaneously carries out ball mill grinding, washing and drying to it, produces a kind of light conversion agent.
Sheet blowing：55 parts of Corvic, 25 parts of light conversion agent are weighed by weight percentage, and hardening agent is respectively tristearin
5 parts of acid glyceride, 5 parts of tricresol phosphate, 5 parts of phenyl salicylate, 5 parts of zinc stearate；Then mixed in 160 DEG C of plasticator
Uniformly, it is fabricated to light conversion master batch using comminutor extrusion；Finally, light conversion master batch 8% is weighed by weight percentage, it is polyvinyl chloride-based
Body material 92%, film, film thickness 0.15mm are blow molded on inflation film manufacturing machine under conditions of 160 DEG C, you can obtain a kind of
Green glow turns feux rouges greenhouse film.
Embodiment 5
It is prepared by light conversion agent：First, with high-purity NaCO3、SrCO3、ZrO2And Eu2O3For raw material, according to chemical formula
Na2Sr0.98Zr2O6：0.02Eu2+Stoichiometric proportion weigh each raw material, be fully ground in agate mortar well mixed；Then
Mixture is put into corundum crucible, calcination is carried out in high temperature process furnances, calcination temperature is 1400 DEG C, and calcination time is 3 small
When, sintering atmosphere is 5% hydrogen and 95% nitrogen mixture, and sample is cooled to room temperature with stove after the completion of calcination, finally takes
Go out sintered body and ball mill grinding, washing and drying are carried out to it, produce a kind of light conversion agent.
Sheet blowing：60 parts of ethylene-vinyl acetate copolymer resin is weighed by weight percentage, 20 parts of light conversion agent, is strengthened
Agent is respectively 5 parts of glyceryl stearate, 5 parts of tricresol phosphate, 5 parts of phenyl salicylate, 5 parts of zinc stearate；Then at 160 DEG C
It is well mixed in plasticator, light conversion master batch is fabricated to using comminutor extrusion；Finally, light conversion master batch is weighed by weight percentage
5%, ethylene-vinyl acetate copolymer matrix material 95%, film, film are blow molded on inflation film manufacturing machine under conditions of 180 DEG C
Thickness is 0.1mm, you can obtains a kind of green glow and turns feux rouges greenhouse film.
Embodiment 6
It is prepared by light conversion agent：First, with high-purity NaCO3、MgCO3、SrCO3、ZrO2And Eu2O3For raw material, according to chemical formula
Na2.4Mg0.09Sr0.7Zr2O6：0.01Eu2+Stoichiometric proportion weigh each raw material, be fully ground in agate mortar well mixed；
Then mixture is put into corundum crucible, calcination is carried out in high temperature process furnances, calcination temperature is 1300 DEG C, and calcination time is
4 hours, sintering atmosphere was 5% hydrogen and 95% nitrogen mixture, and sample is cooled to room temperature with stove after the completion of calcination, finally
Take out sintered body and ball mill grinding, washing and drying are carried out to it, produce a kind of light conversion agent.
Sheet blowing：65 parts of acrylic resin is weighed by weight percentage, and 20 parts of light conversion agent, hardening agent is respectively stearic acid
5 parts of glyceride, 5 parts of tricresol phosphate, 5 parts of phenyl salicylate；Then it is well mixed in 160 DEG C of plasticator, utilizes granulation
Machine extrusion is fabricated to light conversion master batch；Finally, light conversion master batch 5% is weighed by weight percentage, polypropylene matrix material 95%,
Film, film thickness 0.1mm are blow molded under conditions of 160 DEG C on inflation film manufacturing machine, you can obtain a kind of green glow and turn feux rouges greenhouse
Film.
Embodiment 7
It is prepared by light conversion agent：First, with high-purity NaCO3、BaCO3、ZrO2And Eu2O3For raw material, according to chemical formula
Na2Ba0.96Zr2O6：0.04Eu2+Stoichiometric proportion weigh each raw material, be fully ground in agate mortar well mixed；Then
Mixture is put into corundum crucible, calcination is carried out in high temperature process furnances, calcination temperature is 1200 DEG C, and calcination time is 5 small
When, sintering atmosphere is 5% hydrogen and 95% nitrogen mixture, and sample is cooled to room temperature with stove after the completion of calcination, finally takes
Go out sintered body and ball mill grinding, washing and drying are carried out to it, produce a kind of light conversion agent.
Sheet blowing：70 parts of ethylene-vinyl acetate copolymer resin is weighed by weight percentage, 10 parts of light conversion agent, is strengthened
Agent is respectively 10 parts of glyceryl stearate, 5 parts of tricresol phosphate, 5 parts of zinc stearate；Then mixed in 150 DEG C of plasticator
Uniformly, it is fabricated to light conversion master batch using comminutor extrusion；Finally, light conversion master batch 1%, ethyl vinyl acetate are weighed by weight percentage
Ethylene copolymer matrixes material 99%, is blow molded into film under conditions of 150 DEG C on inflation film manufacturing machine, film thickness 0.2mm, i.e.,
A kind of green glow can be obtained and turn feux rouges greenhouse film.
Embodiment 8
It is prepared by light conversion agent：First, with high-purity NaCO3、CaCO3、SrCO3、BaCO3、ZrO2And Eu2O3For raw material, according to
Chemical formula Na1.6Ca0.04Sr0.1BaZr2O6：0.06Eu2+Stoichiometric proportion weigh each raw material, be fully ground in agate mortar
It is well mixed；Then mixture being put into corundum crucible, calcination is carried out in high temperature process furnances, calcination temperature is 1100 DEG C,
Calcination time is 6 hours, and sintering atmosphere is 5% hydrogen and 95% nitrogen mixture, and sample cools with stove after the completion of calcination
To room temperature, finally take out sintered body and ball mill grinding, washing and drying are carried out to it, produce a kind of light conversion agent.
Sheet blowing：80 parts of acrylic resin is weighed by weight percentage, and 16 parts of light conversion agent, hardening agent is respectively stearic acid
1 part of glyceride, 1 part of tricresol phosphate, 1 part of phenyl salicylate, 1 part of zinc stearate；Then mixed in 150 DEG C of plasticator equal
It is even, it is fabricated to light conversion master batch using comminutor extrusion；Finally, light conversion master batch 10%, polypropylene matrix are weighed by weight percentage
Material 90%, film, film thickness 0.15mm are blow molded on inflation film manufacturing machine under conditions of 180 DEG C, you can obtain a kind of green
Light turns feux rouges greenhouse film.
Claims (9)
1. a kind of light conversion agent, it is characterised in that chemical formula is：Na2+2yM1-x-yZr2O6：xEu2+, it is first that wherein M represents Mg, Ca, Sr, Ba
One or more of combinations in element, and the span of the x is 0.01≤x≤0.2, y span for -0.5≤y≤
0.5。
2. a kind of preparation method of light conversion agent, it is characterised in that preparation method comprises the following steps：(1) with NaCO3、MgCO3、
CaCO3、SrCO3、BaCO3、ZrO2And Eu2O3For raw material, according to chemical formula Na2+2yM1-x-yZr2O6：xEu2+Stoichiometric proportion claim
Each raw material is taken, wherein x span is 0.01≤x≤0.2, and y span is -0.5≤y≤0.5；(2) by step (1)
The raw material of acquisition is well mixed after being fully ground in agate mortar；(3) mixture that step (2) obtains is put into corundum crucible
In, then corundum crucible and mixture are put into high temperature process furnances together and carry out calcination, calcination temperature is 1000-1400 DEG C,
Calcination time is 3-6 hours, and sample is cooled to room temperature with stove after the completion of calcination, finally takes out and obtains sintered body；(4) by step
(3) sintered body obtained carries out ball mill grinding, then with distilled water washing and drying, produces the light conversion agent.
A kind of 3. preparation method of light conversion agent according to claim 2, it is characterised in that sintering atmosphere be 5% hydrogen and
95% nitrogen mixture.
4. green glow turns feux rouges greenhouse film, greenhouse film is made up of film matrix, light conversion agent and hardening agent；It is characterized in that by weight
Measure percentages：Light conversion agent is 0.1-3.0%, hardening agent 0.1%-5.0%, and remaining is film matrix；Light conversion agent is right
It is required that the light conversion agent described in 1.
5. green glow according to claim 4 turns feux rouges greenhouse film, it is characterised in that the composition of the film matrix is poly-
One or more in ethene, polyvinyl chloride, ethylene-vinyl acetate copolymer, polypropylene.
6. green glow according to claim 4 turns feux rouges greenhouse film, it is characterised in that the hardening agent is drip agent, light is steady
Determine the one or more combination in agent, antioxidant, heat stabilizer.
7. green glow according to claim 6 turns feux rouges greenhouse film, it is characterised in that the drip agent is glycerol stearate
Fat, light stabilizer are tricresol phosphate, and antioxidant is phenyl salicylate, heat stabilizer is zinc stearate.
8. green glow according to claim 4 turns feux rouges greenhouse film, it is characterised in that film thickness 0.1-0.2mm.
9. green glow turns the preparation method of feux rouges greenhouse film, it is characterised in that green glow turns feux rouges greenhouse film such as claim 4 institute
State, preparation method comprises the following steps：(1) prepared by light conversion master batch：Film matrix resin 40-80 parts are weighed by weight percentage,
Light conversion agent 10-30 parts, hardening agent 4-40 parts, then it is well mixed in 150-200 DEG C of plasticator, is finally squeezed using comminutor
Go out to be fabricated to light conversion master batch；(2) sheet blowing：Light conversion master batch 1-10%, film base material 90- are weighed by weight percentage
99%, it is well mixed under conditions of 150-200 DEG C, film is blow molded on inflation film manufacturing machine.
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| CN110978697A (en) * | 2019-11-21 | 2020-04-10 | 徐蕾 | Light conversion film, multilayer light conversion film and preparation method of multilayer light conversion film |
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Application publication date: 20171226 |