CN108440819A - A kind of feux rouges conversion film and preparation method thereof based on Rare Earth Europium Complex - Google Patents
A kind of feux rouges conversion film and preparation method thereof based on Rare Earth Europium Complex Download PDFInfo
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- CN108440819A CN108440819A CN201810213079.4A CN201810213079A CN108440819A CN 108440819 A CN108440819 A CN 108440819A CN 201810213079 A CN201810213079 A CN 201810213079A CN 108440819 A CN108440819 A CN 108440819A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 83
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 20
- 229910052693 Europium Inorganic materials 0.000 title abstract description 13
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 title abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 29
- YNPNZTXNASCQKK-UHFFFAOYSA-N Phenanthrene Natural products C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 claims abstract description 22
- DGEZNRSVGBDHLK-UHFFFAOYSA-N [1,10]phenanthroline Chemical compound C1=CN=C2C3=NC=CC=C3C=CC2=C1 DGEZNRSVGBDHLK-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 229920001684 low density polyethylene Polymers 0.000 claims abstract description 12
- 239000004702 low-density polyethylene Substances 0.000 claims abstract description 12
- 239000003960 organic solvent Substances 0.000 claims abstract description 12
- 239000002270 dispersing agent Substances 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims abstract description 4
- 239000012943 hotmelt Substances 0.000 claims abstract description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- 235000019441 ethanol Nutrition 0.000 claims description 12
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 11
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 239000001293 FEMA 3089 Substances 0.000 claims description 4
- 229920002582 Polyethylene Glycol 600 Polymers 0.000 claims description 4
- 229920002593 Polyethylene Glycol 800 Polymers 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 10
- 238000001228 spectrum Methods 0.000 abstract description 6
- 230000029553 photosynthesis Effects 0.000 abstract description 2
- 238000010672 photosynthesis Methods 0.000 abstract description 2
- 239000003446 ligand Substances 0.000 description 15
- 150000008641 benzimidazolones Chemical class 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000003921 oil Substances 0.000 description 7
- 239000004698 Polyethylene Substances 0.000 description 6
- 229920000573 polyethylene Polymers 0.000 description 6
- 235000005976 Citrus sinensis Nutrition 0.000 description 5
- 240000002319 Citrus sinensis Species 0.000 description 5
- 230000001795 light effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- -1 rare-earth ions Chemical class 0.000 description 4
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 3
- 235000005811 Viola adunca Nutrition 0.000 description 3
- 240000009038 Viola odorata Species 0.000 description 3
- 235000013487 Viola odorata Nutrition 0.000 description 3
- 235000002254 Viola papilionacea Nutrition 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229930002875 chlorophyll Natural products 0.000 description 2
- 235000019804 chlorophyll Nutrition 0.000 description 2
- ATNHDLDRLWWWCB-AENOIHSZSA-M chlorophyll a Chemical compound C1([C@@H](C(=O)OC)C(=O)C2=C3C)=C2N2C3=CC(C(CC)=C3C)=[N+]4C3=CC3=C(C=C)C(C)=C5N3[Mg-2]42[N+]2=C1[C@@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@H](C)C2=C5 ATNHDLDRLWWWCB-AENOIHSZSA-M 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- NNMXSTWQJRPBJZ-UHFFFAOYSA-K europium(iii) chloride Chemical compound Cl[Eu](Cl)Cl NNMXSTWQJRPBJZ-UHFFFAOYSA-K 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000010189 synthetic method Methods 0.000 description 2
- SILNNFMWIMZVEQ-UHFFFAOYSA-N 1,3-dihydrobenzimidazol-2-one Chemical compound C1=CC=C2NC(O)=NC2=C1 SILNNFMWIMZVEQ-UHFFFAOYSA-N 0.000 description 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229910016644 EuCl3 Inorganic materials 0.000 description 1
- 238000004566 IR spectroscopy Methods 0.000 description 1
- 244000283207 Indigofera tinctoria Species 0.000 description 1
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000003926 complexometric titration Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000005909 ethyl alcohol group Chemical group 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 238000002189 fluorescence spectrum Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000002362 mulch Substances 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 230000000243 photosynthetic effect Effects 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000005437 stratosphere Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000002371 ultraviolet--visible spectrum Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
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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
-
- 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
- A01G13/0256—Ground coverings
- A01G13/0268—Mats or sheets, e.g. nets or fabrics
- A01G13/0275—Films
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
- C07F5/003—Compounds containing elements of Groups 3 or 13 of the Periodic Table without C-Metal linkages
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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
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
-
- 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
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- 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
- C08K5/0091—Complexes with metal-heteroatom-bonds
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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
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/18—Metal complexes
- C09K2211/182—Metal complexes of the rare earth metals, i.e. Sc, Y or lanthanide
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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Abstract
The invention discloses a kind of feux rouges conversion film and the preparation method and application thereof based on Rare Earth Europium Complex, belongs to agricultural conversion film technical field.The feux rouges conversion film is by Orgnic RE complex light conversion agent [Eu (2 HBI) (phen)3]Cl3, dispersant, organic solvent and low density polyethylene (LDPE) prepared by the raw material of certain percentage composition.The feux rouges conversion film preparation method is first by a certain amount of [Eu (2 HBI) (phen)3]Cl3It is added in low density polyethylene (LDPE) particle and blends uniformly together with a certain amount of dispersant after being infiltrated with organic solvent, hot melt is kneaded, and is finally made by certain blow-up ratio Blown Film.The feux rouges conversion film of the present invention, formula is simple, and preparation method is easy, safe operation, and the efficiency of light energy utilization is high, and the infrared absorption band matching that red emission bands of a spectrum are needed with photosynthesis of plant is good, is a kind of environmental-friendly feux rouges conversion film of low cost.
Description
Technical field
The invention belongs to agricultural conversion film technical fields, and in particular to it is a kind of based on Rare Earth Europium Complex be light conversion agent it is red
Light conversion film and preparation method thereof.
Background technology
Sunlight is that plant carries out photosynthetic DIRECT ENERGY source, the light of blue violet light and blood orange light to plant in daylight
Cooperation is with mostly important.Photo-ecology in solar spectrum Determination of Chlorophyll α and chlorophyll β absorption bands studies have shown that concentrate on indigo plant
Purple light (400~480nm) and blood orange light (600~700nm), and the ultraviolet band light in daylight often has crop growth
Adverse effect.The short-wave band ultraviolet light (UVC wave bands) of 200nm~280nm in sunlight, meeting when by earth surface stratosphere
It is absorbed by ozone layer.The ultraviolet light of 280~380nm in daylight can be converted into the agricultural film of blue violet light and blood orange light, it not only can be with
Avoid adverse effect of the solar UV to plant, it is often more important that light quality can be improved and achieve the effect that accelerate the ripening and increase production.It can
Agricultural film solar UV to be converted to blue violet light or blood orange light is also referred to as light altering film for agriculture, is played in modern agricultural development more next
More important role has huge application and the market space.
Light altering film for agriculture is usually to add light conversion agent in the ordinary agricultural membranes base plastic such as PE, EVA, PVC to be prepared.Contain
The inorganic or inorganic-organic hybrid light conversion agent of rare earth element is the main Types of light conversion agent.Turn at present containing rare-earth light conversion agent
Light agricultural film is mostly the light conversion agent of the metal oxide or inorganic salts fluorescent powder type using doping with rare-earth ions.Application No. is
The patent of 200710021047.6 and 201310079940.X individually disclose using containing europium complex as the light altering film for agriculture of light conversion agent,
Wherein the former is polyvinyl chloride-based blue light conversion film, has good blue light conversion effect；The latter is that polyvinyl feux rouges turns light
Film, not only conversion film homogeneous transparent but also light conversion agent and polyethylene substrate compatibility are also preferable.Application number 201010182539.5
The blue-red light conversion photo etching based on europium organic coordination compound is disclosed, which tests the solid fluorescence transmitting of light conversion agent crystal powder
Situation illustrates that it turns light effect with relatively good royal purple and blood orange photoreactivation.But generally, traditional light altering film for agriculture is used
Rare-earth light conversion agent often or the inorganic fluorescent powders type light conversion agent such as its oxide or inorganic salts, dispersibility and with it is polymer-based
Material compatibility is poor, and conversion film preparation process is complicated, and light conversion agent, which is easy to isolate from plastic matrix, reduces conversion film use
Performance, in addition turn band be typically all narrow gap spectrum be difficult covering the required spectral bandwidth of photosynthesis of plant.And rare earth
Organic coordination compound class conversion film kind is relatively fewer, in addition either use the inorganic light conversion agent of rare earth or the organic cooperation of rare earth
Object type light conversion agent, current conversion film often only absorb the ultraviolet light in daylight UV area compared with narrow band, are unfavorable for the height of luminous energy
Effect utilizes.Therefore has rare-earth light-converting film environmental-friendly, preparation process is easy, the efficient of luminous energy utilizes and cheap etc.
There is also deficiencies for aspect.
Invention content
The shortcomings that in order to overcome prior art products and deficiency, the primary purpose of the present invention is that providing one kind with rare-earth europium
Complex is the feux rouges conversion film of light conversion agent.
The preparation method of another object of the present invention is to provide the above-mentioned feux rouges conversion film based on Rare Earth Europium Complex.
Light conversion agent provided by the invention is reasonable in design, synthetic method is simple, of low cost.It is prepared by this method red
Light conversion film, technical process is simple, pollution-free, has excellent performance, and is easy to industrialized production.
For achieving the above object, technical scheme is as follows：
The present invention is with [Eu (2-HBI) (phen)3]Cl3(molecular structural formula such as Formulas I) is light conversion agent, wherein the first ligand 2-
HBI is 2- hydroxybenzimidazoles, and Ligands phen is 1,10- Phens.
Feux rouges conversion film preparation method provided by the invention：Weigh a certain amount of [Eu (2-HBI) (phen)3]Cl3, first use
Mixed organic solvents infiltrate, after be added in base material polyethylene (PE) plastic grain and mixed together with a certain amount of dispersant
Mixed, hot melt is kneaded, and is finally blow molded into film by 2.0~3.0 blow-up ratio and is obtained feux rouges conversion film.
Feux rouges conversion film preparation method as described above, it is characterised in that：[Eu(2-HBI)(phen)3]Cl3In conversion film
It is 0.5~3.0% to prepare the w% contents in raw material.
Feux rouges conversion film preparation method as described above, it is characterised in that：Used mixed organic solvents are by alcohol (ethyl alcohol
Or isopropanol or ethylene glycol) formed by a certain percentage with one kind in white oil and turpentine oil, preferred mixed organic solvents are by second
Alcohol is formed with white oil.
Feux rouges conversion film preparation method as described above, it is characterised in that：Used dispersant be PEG600 and
One kind in PEG800.
Feux rouges conversion film preparation method as described above, it is characterised in that：Dispersant w% in conversion film prepares raw material contains
Amount is 0.8~3.0%.
Feux rouges conversion film preparation method as described above, it is characterised in that：In used mixed organic solvents white oil or
W% content of person's turpentine oil in conversion film prepares raw material is 1.0~3.5%, and either isopropanol or ethylene glycol are turning ethyl alcohol
W% contents in light film preparation raw material are 1.5~3.5%.
Light conversion agent [the Eu (2-HBI) (phen) of the present invention3]Cl3Synthetic route it is as follows：
It is respectively that the first and second ligands press 1: 3: 1 mole with europium chloride with 2- hydroxybenzimidazoles and Phen
Than light conversion agent [Eu (2-HBI) (phen) is made in heating reflux reaction in absolute ethyl alcohol3]Cl3。
The feux rouges conversion film can be used for agriculture canopy film or mulch, be used in crop-planting or nursery etc..
Compared with prior art, the beneficial effects of the present invention are：
Rare Earth Europium Complex light conversion agent [Eu (2-HBI) (phen) of the present invention3]Cl3For a kind of metallo-organic compound, in agriculture
Dispersion and compatibility in film basic tree plastics PE is good, avoids traditional rare earth inorganic fluorescent powder type light conversion agent in plastic basis material
Poor dispersion and caused by segregation effect.
It is few and environmental-friendly that organic solvent and dispersant used in feux rouges conversion film of the present invention etc. compound amounts of components；Turn light
In the process, the broad basic covering daylight 280~380nm wave bands of ultraviolet absorption spectrum band, red emission is strong, and the efficiency of light energy utilization is high；Turn
The process of preparing simplicity of light film is easily operated, low production cost, is very beneficial for pushing away for industrial production and agricultural production
It is wide to use.
Description of the drawings
Fig. 1 is the FT-IR spectrograms of light conversion agent and the first ligand.
Fig. 2 is the UV-Vis spectrograms (1 × 10 of light conversion agent and ligand-5Mol/L DMF solutions).
Conversion film made from Fig. 3 embodiments 1 turns light effect figure under the excitation of λ=365nm light.
Specific implementation mode
Primary raw material, test equipment used in the present invention and method：Linear low density polyethylene (LLDPE) (LDPE-7042), Yangtze
Petrochemical industry limited liability company；Inflation film manufacturing machine, SJMZ-45 × 30, Shunde Plastics Machinery Co., Ltd., Qingdao；Element is formed by moral
The vario EL type III elemental analysers of Elementar companies of state measure；FT-IR is become by Spectrum BX II type Fouriers
Change determination of infrared spectroscopy；(the general analysis all purpose instrument manufacture in Beijing is limited through TU-1901 types ultraviolet specrophotometer for UV-Vis spectrum
Company) it measures；Fluorescence spectrum is measured through LS55 types sepectrophotofluorometer (PerkinElmer companies of the U.S.).Eu in complex
Content pass through EDTA complexometric titrations.
Light conversion agent [Eu (2-HBI) (phen) of the present invention3]Cl3Synthetic method example it is as follows：
All raw materials first pass through drying and remove moisture removal, weigh 0.671g (5mmol) 2- hydroxybenzimidazoles, anhydrous with 10mL
Ethyl alcohol dissolves, and is added in the there-necked flask of 100mL, under magnetic stirring, is then added dissolved with 1.291g (5mmol) EuCl3's
15mL ethanol solutions, flow back 2h；2.703g (15mmol) Phen is weighed, is dissolved, is added dropwise with the absolute ethyl alcohol of 15mL
It into above-mentioned three-necked flask, is added dropwise, continues the 5h that flows back, cooling and standings have Precipitation, filter, the anhydrous second of crude product
Alcohol recrystallizes, and vacuum drying obtains powdery product 3.63g.Elemental analysis result (theory/actual measurement, w%)：C 55.31/
55.08, N 12.00/11.95, H 3.22/3.27；The content (theory/actual measurement, w%) of europium：16.29/16.23.FT-IR
(KBr), v/cm-1：From [Eu (2-HBI) (phen)3]Cl3It can be seen that with the infrared comparison diagram (Fig. 1) of 2- hydroxybenzimidazoles
Positioned at 3180cm-1O-H and N-H the coupling stretching vibration absworption peak of the neighbouring ligand have been displaced to 3400cm-1Near, it is located at
2900~3000cm-1Neighbouring ligand aromatic ring C-H absorption peaks by Ligand Field due to being influenced to send out in the infrared spectrum of complex
Significant changes are given birth to；Positioned at 1740cm-1The 2- hydroxybenzimidazoles characteristic absorption peak at place and two kinds of ligands are all due
1630,1495 and 1408cm-1Neighbouring C=C double bonds, C=N double bonds and aromatic ring frame stretching vibration characteristic absorption peak, with
Closing in object has notable displacement intensity that significant change also has occurred, and makes molecular structure after showing two kinds of ligands and europium coordination
Variation, causes its characteristic peak to be changed；O-H and N-H after forming complex in 2- hydroxybenzimidazole ligands is flexible
Vibration peak is in 3100~3500cm-1Place forms a wider absorption peak, is due to being influenced by ligand-field effect, this says
O and N in the bright ligand take part in coordination；In addition, complex is in 510cm-1Strong and wide absorption peak in nearby occurring, can be with
It is considered the stretching vibration absworption peak of Eu-O coordinate bonds.According to infrared test as a result, and combining Eu3+Binding property and element
Analysis result can illustrate ligand 2- hydroxybenzimidazoles and Phen all in the form of two tooth bondings respectively with Eu3+Match
Position, forms stable ternary complex [Eu (2-HBI) (phen)3]Cl3.Fig. 2 is ligand 2- hydroxybenzimidazoles, adjacent Féraud
Quinoline and [Eu (2-HBI) (phen)3]Cl3UV-Vis spectrograms, it is seen that the UV absorption of prepared rare earth compounding light conversion agent
Significantly different with ligand, the UV absorption bands of a spectrum of synthesized light conversion agent are wider stronger compared with ligand, UV absorption bands of a spectrum
Substantially cover the daylight UV wave band of 280~380nm.
It is further illustrated the present invention below with embodiment, but the invention is not limited in these embodiments.
Embodiment 1
A kind of feux rouges conversion film based on Rare Earth Europium Complex, is made by the raw material formed by following weight percent：[Eu
(2-HBI)(phen)3]Cl31.5%, absolute ethyl alcohol 2.0%, white oil 2.5%, dispersant PEG 600 2.0%, surplus is low
Density polyethylene (LDPE).
The preparation method of the feux rouges conversion film is as follows：15g [Eu (2-HBI) (phen) are weighed according to the above ratio3]Cl3First use
The mixed solvent infiltration of 20g absolute ethyl alcohols and 25g white oils composition, it is low close to be then added to 920g together together with 20g PEG 600
It spends in polyethylene particle and blends uniformly, heat melting mixing, film is blow molded into up to feux rouges conversion film by 2.5 blow-up ratio.
Obtained conversion film light effect that turns of conversion film under the excitation of 365nm length ultraviolet light is shown in Fig. 3.It can be seen that this turns light
Film can launch λEm, maxThe very strong feux rouges of ≈ 614nm, it is good that feux rouges turns light effect.
Embodiment 2
A kind of feux rouges conversion film based on Rare Earth Europium Complex, is made by the raw material formed by following weight percent：[Eu
(2-HBI)(phen)3]Cl32.5%, isopropanol 2.0%, white oil 2.0%, dispersant PEG 800 2.5%, surplus is low-density
Polyethylene (LDPE).
The preparation method of the feux rouges conversion film is as follows：25g [Eu (2-HBI) (phen) are weighed according to the above ratio3]Cl3First use
The mixed solvent infiltration of 20g isopropanols and 20g white oils composition, it is poly- to be then added 910g low-density together together with 25g PEG 800
The blending of ethylene particle is uniform, heats melting mixing, film is blow molded into up to feux rouges conversion film by 2.0 blow-up ratio.
Equally excellent, the Ke Yifa that turns light effect of obtained conversion film conversion film under the excitation of 365nm length ultraviolet light
Project λEm, maxThe stronger feux rouges of ≈ 615nm.
Claims (6)
1. a kind of rare earth feux rouges conversion film, which is characterized in that the raw material being made of following weight percent forms：0.5~3.0%
The low density polyethylene (LDPE) of rare-earth light conversion agent, 2.5~7.0% mixed organic solvents, 0.8~3.0% dispersant and surplus.
2. a kind of feux rouges conversion film as described in claim 1, which is characterized in that the rare-earth light conversion agent molecular formula is [Eu
(2-HBI)(phen)3]Cl3, molecular structural formula is
3. a kind of feux rouges conversion film as described in claim 1, which is characterized in that used mixed organic solvents are by alcohol (second
Alcohol or isopropanol or ethylene glycol) with white oil and turpentine oil in one kind by certain dosage composition, preferred mixed organic solvents by
Ethyl alcohol is formed with white oil.
4. a kind of feux rouges conversion film as described in claim 1, which is characterized in that in used mixed organic solvents white oil or
Content (w%) of person's turpentine oil in conversion film prepares raw material is 1.0~3.5%, and ethyl alcohol or isopropanol or ethylene glycol are turning light
W% contents in film preparation raw material are 1.5~3.5%.
5. a kind of feux rouges conversion film as described in claim 1, which is characterized in that the dispersant is PEG600 and PEG800
In one kind.
6. a kind of preparation method of feux rouges conversion film as described in claim 1, which is characterized in that by conversion film raw material composition
Weight percent weighs a certain amount of [Eu (2-HBI) (phen)3]Cl3, first infiltrated with mixed organic solvents, then with dispersant
It is added in LDPE: Low-density polyethylene plastics particle and blend uniformly together, hot melt is kneaded, and finally presses 2.0~3.0 blow-up ratio
Blown Film obtains the feux rouges conversion film.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109942942A (en) * | 2019-03-25 | 2019-06-28 | 成都新柯力化工科技有限公司 | A kind of the plastics light altering film for agriculture and preparation method of long-acting light conversion |
| CN111607233A (en) * | 2020-06-29 | 2020-09-01 | 南京大学 | Silicon-containing high-transparency flame-retardant EVA light conversion film and preparation method thereof |
| CN115322529A (en) * | 2022-08-05 | 2022-11-11 | 广东科明诺科技有限公司 | Luminescent polyester master batch and preparation method and application thereof |
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- 2018-03-12 CN CN201810213079.4A patent/CN108440819A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109942942A (en) * | 2019-03-25 | 2019-06-28 | 成都新柯力化工科技有限公司 | A kind of the plastics light altering film for agriculture and preparation method of long-acting light conversion |
| CN111607233A (en) * | 2020-06-29 | 2020-09-01 | 南京大学 | Silicon-containing high-transparency flame-retardant EVA light conversion film and preparation method thereof |
| CN115322529A (en) * | 2022-08-05 | 2022-11-11 | 广东科明诺科技有限公司 | Luminescent polyester master batch and preparation method and application thereof |
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