CN106718422A - A kind of preparation method of degradable multifunctional fibre element agricultural film - Google Patents
A kind of preparation method of degradable multifunctional fibre element agricultural film Download PDFInfo
- Publication number
- CN106718422A CN106718422A CN201710019509.4A CN201710019509A CN106718422A CN 106718422 A CN106718422 A CN 106718422A CN 201710019509 A CN201710019509 A CN 201710019509A CN 106718422 A CN106718422 A CN 106718422A
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- China
- Prior art keywords
- agricultural film
- fibre element
- multifunctional fibre
- preparation
- degradable
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
- A01G13/0256—Ground coverings
- A01G13/0268—Mats or sheets, e.g. nets or fabrics
- A01G13/0275—Films
-
- 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
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7728—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing europium
- C09K11/774—Borates
Abstract
A kind of preparation method of degradable multifunctional fibre element agricultural film, is related to agricultural film.Offer can effectively reduce degree of dependence of the agricultural film production to fossil energy, and the short-wavelength light in sunshine to plant pest can be converted into preparation method of the plant available using a kind of degradable multifunctional fibre element agricultural film of blood orange light.From Sr2‑2xB2O5:xEu3+,xNa+Used as rare earth ion intermediate is introduced, the non-absorbent shortwave luminous energy of plant can be converted into the blood orange light that plant available is utilized to system by wherein x=0.01~0.3；From tetrahydrofuran as cellulose and its derivates solvent, stirring dissolves it, adds rare earth ion intermediate, ultrasound, deaeration treatment is carried out after mixing, then plastic film mulch, obtains final product degradable multifunctional fibre element agricultural film.
Description
Technical field
The present invention relates to agricultural film, more particularly, to a kind of preparation method of degradable multifunctional fibre element agricultural film.
Background technology
From conversion film preparation and application research situation, realize that the conversion of agricultural film luminous energy improves and still exist through the crucial of light quality
In the exploitation of light conversion agent.The sulfide type light conversion agent that research is reported at present, although Spectral matching is good, but there is resistance to hygroscopy
With the defect of the bad dispersibility in agricultural film；Organic coordination compound fluorescence intensity is high but has sharp peak transmitting, the problem of anti-decay property difference；
Green onion ketone organic fluorescent pigment good dispersion, sun-proof, can make full use of substantial amounts of greenish-yellow light, but its product synthesis performance have no into
One step report ([1] Zhang Songpei, Li Jianyu, Chen Juan, Xiao Yang, Research of Spectrum Characteristics [J] the spectroscopy of Sun Yu pretty young woman's light altering film for agriculture with
Spectrum analysis, 2004,24 (10):180-184).
Sunlight is that plant carries out photosynthetic main energy sources, and people are studied as " light fertilizer " in recent years
And utilization, conversion film is effective means ([2] Luo Guilin, Xiao Zunhong, a new light of woods of agricultural greenhouse crop utilization " light fertilizer "
The synthesis of conversion agent 2,4,6- tri- ((1- phenyl) -1,3- butadienyls) -1,3,5- s-triazine and sign [J] chemical reagent,
2011,(5)：451-452).Manual simulation's plant optimum growh photoenvironment (i.e. the absorption spectrum of chlorophyll) improves crops
Illumination condition, be allowed in optimum growh state, significant to development high technological aqriculture, therefore agricultural conversion film should
Transport and give birth to.
Conversion film is a kind of film that light conversion is realized by adding light conversion agent, and it can be converted ultraviolet light into crop
Useful blue violet light and blood orange light, or green-yellow light is converted into blood orange light, so as to change the light quality through film, promote plant pair
The absorption of the nutrients such as nitrogen, phosphorus, potassium, zinc, improves the blade area and expansion degree of plant, and the plant height and petiole for increasing plant are long
Degree, thus increases the content of leaf chlorophyll, raises the photosynthate content in blade, and promotion plant growth is (in [3]
State patent CN105385014A).
The content of the invention
It is an object of the invention to environmental problems such as the white pollutions that is directed to caused by traditional agricultural film, there is provided can be effective
Agricultural film production is reduced to the degree of dependence of fossil energy, the short-wavelength light in sunshine to plant pest can be converted into plant
Thing can absorb the preparation method using a kind of degradable multifunctional fibre element agricultural film of blood orange light.
The present invention is comprised the following steps：
1) Sr is selected2-2xB2O5:xEu3+,xNa+System as introducing rare earth ion intermediate, wherein x=0.01~0.3,
The non-absorbent shortwave luminous energy of plant can be converted into the blood orange light that plant available is utilized；
2) from tetrahydrofuran as cellulose and its derivates solvent, stirring dissolves it, adds step 1) in
Rare earth ion intermediate, carries out ultrasound, deaeration treatment, then plastic film mulch after mixing, obtain final product degradable multifunctional fibre element agricultural film.
In step 2) in, the cellulose and its derivates can be 1 ︰ (5~20) with the mass ratio of solvent, the stirring
Time can be 1~12h；The ultrasound, the time of deaeration treatment can be 0.5~1h.Obtained degradable multifunctional fibre element
The thickness of agricultural film is 5~20 μm.
Short-wavelength light in sunshine to plant pest can be converted to the blood orange light that plant available is utilized by the present invention.Together
When, with degradable high polymer material cellulose and its derivates as primary raw material, meet the design concept of energy-conserving and environment-protective agricultural film.
Primary raw material of the invention is renewable, and product is degradable.Current all kinds of agricultural film material therefors are main with poly- second
Based on the non-renewable petrochemicals such as alkene (PE), polyvinyl chloride (PVC), it is difficult to degrade after most agricultural films are discarded.
Cellulose and its derivates are the biomass membrane materials being widely used at present, the cellulose being widely present with nature as raw material,
It is renewable, it is with low cost, turn waste into wealth, advantageously account for the burning pollution problem of the agricultural wastes such as China tangerine bar, straw.Vinegar
Sour tunica fibrosa is degradable, does not result in white pollution.
Light conversion fiber element and its derivative agricultural film, excitation spectrum are sent out in ultraviolet region, maximum excitation wavelength positioned at 394nm
Penetrate positioned at 595~614nm blood orange light area, maximum emission wavelength 613nm.The present invention puts forth effort on solution for traditional agricultural film institute
The environmental problems such as the white pollution for causing, can effectively reduce degree of dependence of the agricultural film production to fossil energy, by sunshine
In the blood orange light that plant available is utilized can be converted into the short-wavelength light of plant pest, be that a kind of degradable function is agricultural thin
Film.
Brief description of the drawings
For light conversion fiber element and its derivative agricultural film fluorescence emission spectrum, (reference numerals are represented in the middle of rare earth ion Fig. 1
The mass ratio of body and cellulose and its derivates)
Fig. 2 is light conversion fiber element and its derivative agricultural film collection of illustrative plates (mass ratio=m Chong Die with polychloroethylene film light transmittance
(rare earth ion intermediate)：M (cellulose and its derivates)) in fig. 2, curve a is 5%SPC, and curve b is 7.5%SPC, bent
Line c is 10%SPC, and curve d is 12.5%SPC, and curve e is 15%SPC, and curve f is 20%SPC, and curve g is PE.SPC.
Specific embodiment
Following examples will the invention will be further described with reference to accompanying drawing.
Embodiment 1
Accurately weigh Sr2-2xB2O5:xEu3+,xNa+, wherein x=0.01 feux rouges rare earth ion intermediate 0.35g, chemistry it is pure
Tetrahydrofuran 35g, 100% cellulose and its derivates 1.75g, 1 first is stirred to cellulose and its derivates solution
~2h, dissolves it, adds rare earth ion intermediate, is stirred again, is uniformly distributed it, then sonicated
30min, plastic film mulch, you can obtain degradable multifunctional fibre element agricultural film.
Embodiment 2
Accurately weigh Sr2-2xB2O5:xEu3+,xNa+, wherein x=0.3 feux rouges rare earth ion intermediate 0.4g, chemistry it is pure
Tetrahydrofuran 35g, 100% cellulose and its derivates 3g, are first stirred 6~8h to cellulose and its derivates solution,
It is dissolved, rare earth ion intermediate is added, is stirred again, be uniformly distributed it, then sonicated 30min, paving
Film, you can obtain degradable multifunctional fibre element agricultural film.
Embodiment 3
Accurately weigh Sr2-2xB2O5:xEu3+,xNa+, wherein x=0.14 feux rouges rare earth ion intermediate 0.56g, chemistry it is pure
Tetrahydrofuran 35g, 100% cellulose and its derivates 7g, be first stirred 10 to cellulose and its derivates solution~
12h, dissolves it, adds rare earth ion intermediate, is stirred again, is uniformly distributed it, then sonicated
60min, plastic film mulch, you can obtain degradable multifunctional fibre element agricultural film.
Embodiment 4
Accurately weigh Sr2-2xB2O5:xEu3+, xNa+, wherein x=0.25 feux rouges rare earth ion intermediate 0.5g are chemical pure
Tetrahydrofuran 35g, 100% cellulose and its derivates 5g, are first stirred 8-10h to cellulose and its derivates solution,
It is dissolved, rare earth ion intermediate is added, is stirred again, be uniformly distributed it, then sonicated 45min, paving
Film, you can obtain degradable multifunctional fibre element agricultural film.
Embodiment 5
Accurately weigh Sr2-2xB2O5:xEu3+, xNa+, wherein x=0.1 feux rouges rare earth ion intermediate 0.17g, chemistry are pure
Tetrahydrofuran 35g, 100% cellulose and its derivates 2.5g, be first stirred 4 to cellulose and its derivates solution~
6h, dissolves it, adds rare earth ion intermediate, is stirred again, is uniformly distributed it, then sonicated 30min,
Plastic film mulch, you can obtain degradable multifunctional fibre element agricultural film.
Embodiment 6
Accurately weigh Sr2-2xB2O5:XEu3+, xNa+, wherein x=0.26 feux rouges rare earth ion intermediate 0.15g, chemistry are pure
Tetrahydrofuran 35g, 100% cellulose and its derivates 3g, be first stirred 6 to cellulose and its derivates solution~
8h, dissolves it, adds rare earth ion intermediate, is stirred again, is uniformly distributed it, then sonicated 30min,
Plastic film mulch, you can obtain degradable multifunctional fibre element agricultural film.
Claims (5)
1. a kind of preparation method of degradable multifunctional fibre element agricultural film, it is characterised in that comprise the following steps：
1) Sr is selected2-2xB2O5:xEu3+,xNa+Used as introducing rare earth ion intermediate, wherein x=0.01~0.3 can be with for system
The non-absorbent shortwave luminous energy of plant is converted into the blood orange light that plant available is utilized；
2) from tetrahydrofuran as cellulose and its derivates solvent, stirring dissolves it, adds step 1) in rare earth
Ionic intermediate, carries out ultrasound, deaeration treatment, then plastic film mulch after mixing, obtain final product degradable multifunctional fibre element agricultural film.
2. a kind of preparation method of degradable multifunctional fibre element agricultural film as claimed in claim 1, it is characterised in that in step 2)
In, the cellulose and its derivates are 1 ︰ (5~20) with the mass ratio of solvent.
3. a kind of preparation method of degradable multifunctional fibre element agricultural film as claimed in claim 1, it is characterised in that the stirring
Time be 1~12h.
4. a kind of preparation method of degradable multifunctional fibre element agricultural film as claimed in claim 1, it is characterised in that the ultrasound,
The time of deaeration treatment is 0.5~1h.
5. degradable many work(that prepared by a kind of preparation method of degradable multifunctional fibre element agricultural film as described in Claims 1 to 4
Energy cellulose agricultural film, it is characterised in that the thickness of the degradable multifunctional fibre element agricultural film is 5~20 μm.
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| CN201710019509.4A CN106718422A (en) | 2017-01-10 | 2017-01-10 | A kind of preparation method of degradable multifunctional fibre element agricultural film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112480479A (en) * | 2020-11-30 | 2021-03-12 | 江南大学 | Preparation method of nanocellulose-based fluorescent film |
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| Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20170531 |