CN106613503A - Greenhouse film capable of balancing illumination and preparation method thereof - Google Patents
Greenhouse film capable of balancing illumination and preparation method thereof Download PDFInfo
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- CN106613503A CN106613503A CN201611132553.8A CN201611132553A CN106613503A CN 106613503 A CN106613503 A CN 106613503A CN 201611132553 A CN201611132553 A CN 201611132553A CN 106613503 A CN106613503 A CN 106613503A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
- A01G9/1407—Greenhouses of flexible synthetic material
- A01G9/1415—Greenhouses of flexible synthetic material with double or multiple walls
-
- 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
- B32B27/32—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
- 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
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F218/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid
- C08F218/02—Esters of monocarboxylic acids
- C08F218/04—Vinyl esters
- C08F218/08—Vinyl acetate
-
- 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
- B32B2307/418—Refractive
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
-
- 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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Greenhouses (AREA)
Abstract
The invention discloses a greenhouse film capable of balancing illumination. The greenhouse film is formed by combining an outer high-density film layer and an inner low-density film layer which are arranged inside and outside; the high-density film layer is prepared from, by weight, low density polyethylene, a heat preservation agent, metallocene polyethylene resin, a light conversion agent, an antifogging agent, a dripping agent, antioxygen, a light stabilizer, vinyl acetate, acrylic monomers, maleic acid, an initiator and a dispersion agent; the low-density film layer is prepared from, by weight, high density polyethylene, a heat preservation agent, metallocene polyethylene resin, a light conversion agent, an antifogging agent, a dripping agent, antioxygen, a light stabilizer, vinyl acetate, acrylic monomers, maleic acid, an initiator and a dispersion agent. According to the greenhouse film, the refractive index of incident rays can be increased, and the inner illumination amount can be increased; the sanded structure is adopted in cooperation, therefore, the rays can be dispersed, and illumination in a greenhouse is even.
Description
Technical field
The present invention relates to agriculture field, specifically a kind of greenhouse film for being capable of uniform illumination and preparation method thereof.
Background technology
With high molecular polymer-polyvinyl chloride, the generation of polyethylene, plastic sheeting is widely used in agricultural.Japan and
American-European countries covers hotbed and succeeds in the initial stage fifties using greenhouse film, subsequently covers hut again and greenhouse also obtains good
Good effect.China introduces poly agricultural film in autumn nineteen fifty-five, is used for hut in Beijing first and covers vegetables, obtains morning
The effect of ripe volume increase.Booth original be vegetables production special equipment, with production development booth application it is all the more extensive.Currently
Booth has been used for potted flower and cut-flower cultivation；Production of fruit trees is used for cultivating grape, strawberry, watermelon, muskmelon, peach and citrus etc.；Forestry
Produce for forest seedling growth, culture of ornamental trees etc.；Aquaculture is used to breeding silkworms, raise chickens, cowboying, pig, fish and fry etc..
Greenhouse film is the important component part of booth, and the light inside booth illuminates the life for directly affecting internal crops
Long, traditional greenhouse film simple structure, composition is simple so that the growth of crops is restricted.
The content of the invention
It is an object of the invention to provide a kind of greenhouse film for being capable of uniform illumination and preparation method thereof, above-mentioned to solve
The problem proposed in background technology.
For achieving the above object, the present invention provides following technical scheme：
A kind of greenhouse film for being capable of uniform illumination, including the outer layer high density thin film layer and nexine low-density film that inside and outside arrange
Layer is compound to be constituted,
The raw material of high density thin film layer component by weight is：
Low density polyethylene (LDPE) 40-60 parts, heat preserving agent 10-12 parts, metallocene PE resin 20-30 parts, light conversion agent 10-12 parts,
Antifogging agent 5-7 parts, drip agent 10-12 parts, antioxidant 5-7 parts, light stabilizer 2-3 parts, vinyl acetate 16-18 parts, acrylate
Class monomer 10-16 parts, maleic acid 5-7 parts, initiator 2-3 parts, dispersant 4-6 parts；
The raw material of low-density film layer component by weight is：High density polyethylene (HDPE) 35-55 parts, heat preserving agent 10-12 parts, cyclopentadienyl gold
Category polyvinyl resin 25-35 parts, light conversion agent 8-10 parts, antifogging agent 5-7 parts, drip agent 10-12 parts, antioxidant 5-7 parts, light are stable
Agent 2-3 parts, vinyl acetate 16-18 parts, acrylic ester monomer 10-16 parts, maleic acid 5-7 parts, initiator 2-3 parts, dispersant
4-6 parts.
A kind of greenhouse film for being capable of uniform illumination, including the outer layer high density thin film layer and nexine low-density that inside and outside arrange
Film layer is compound to be constituted,
The raw material of high density thin film layer component by weight is：
50 parts of low density polyethylene (LDPE), 11 parts of heat preserving agent, 25 parts of metallocene PE resin, 11 parts of light conversion agent, 6 parts of antifogging agent, stream
11 parts of drops, 6 parts of antioxidant, 2.5 parts of light stabilizer, 17 parts of vinyl acetate, 13 parts of acrylic ester monomer, 6 parts of maleic acid, draw
Send out 2.5 parts of agent, 5 parts of dispersant；
The raw material of low-density film layer component by weight is：
45 parts of high density polyethylene (HDPE), 11 parts of heat preserving agent, 30 parts of metallocene PE resin, 9 parts of light conversion agent, 6 parts of antifogging agent, drip
11 parts of agent, 6 parts of antioxidant, 2.5 parts of light stabilizer, 17 parts of vinyl acetate, 13 parts of acrylic ester monomer, 6 parts of maleic acid, initiation
2.5 parts of agent, 5 parts of dispersant.
As further scheme of the invention：The preparation method of the greenhouse film for being capable of uniform illumination, concrete steps
It is as follows：
（1）First drip agent, antioxidant and dispersant are added in reactor, is stirred, dispersant is fully dissolved；
（2）Add vinyl acetate, maleic acid and acrylic ester monomer；
（3）When reaction is down to 0.1MPa to the pressure in reactor, start to add remaining raw material, reacted；
（4）When the pressure in reactor is down to below 0.05MPa, reactor is heated, when the material liter in reactor
It is incubated to after 68-72 degree Celsius, obtains outer layer high density thin film layer or nexine low-density film layer raw material；
（5）Outer layer high density thin film layer or nexine low-density film layer raw material are dehydrated, are washed and are dried, then with 40
Purpose sieve obtains powder high density thin film layer raw material or low-density film layer is former to sieving through dry material
Material；
（6）High density thin film layer is obtained first by film laminator, then the low-density of spin coating melting is thin in high density thin film layer
Film layer raw material, to form composite construction, frosted process is done on the surface of the low-density film layer.
As further scheme of the invention：The step（2）In mixing time be 10-20 minutes.
As further scheme of the invention：The step（3）In remaining raw material add in 2.5-4 hours.
As further scheme of the invention：The step（4）In temperature retention time be 2-3 hours.
Compared with prior art, the invention has the beneficial effects as follows：The present invention can improve the refractive index of incident ray, improve
The internal quantity of illumination, while coordinate frosted, structure being capable of disperse light so that uniform illumination inside booth.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of greenhouse film for being capable of uniform illumination, including the outer layer high density thin film layer for inside and outside arranging
It is compound with nexine low-density film layer to constitute,
The raw material of high density thin film layer component by weight is：
40 parts of low density polyethylene (LDPE), 10 parts of heat preserving agent, 20 parts of metallocene PE resin, 10 parts of light conversion agent, 5 parts of antifogging agent, stream
10 parts of drops, 5 parts of antioxidant, 2 parts of light stabilizer, 16 parts of vinyl acetate, 10 parts of acrylic ester monomer, 5 parts of maleic acid, initiation
2 parts of agent, 4 parts of dispersant；
The raw material of low-density film layer component by weight is：
35 parts of high density polyethylene (HDPE), 10 parts of heat preserving agent, 25 parts of metallocene PE resin, 8 parts of light conversion agent, 5 parts of antifogging agent, drip
10 parts of agent, 5 parts of antioxidant, 2 parts of light stabilizer, 16 parts of vinyl acetate, 10 parts of acrylic ester monomer, 5 parts of maleic acid, initiator
2 parts, 4 parts of dispersant.
As further scheme of the invention：The preparation method of the greenhouse film for being capable of uniform illumination, concrete steps
It is as follows：
（1）First drip agent, antioxidant and dispersant are added in reactor, is stirred, dispersant is fully dissolved；
（2）Vinyl acetate, maleic acid and acrylic ester monomer are added, and continues stirring 10 minutes；
（3）When reaction is down to 0.1MPa to the pressure in reactor, start to add remaining raw material, and connected in 2.5 hours
It is continuous to add, reacted；
（4）When the pressure in reactor is down to below 0.05MPa, reactor is heated, when the material liter in reactor
During to 68 degrees Celsius, kept for 2 hours at this temperature, obtain outer layer high density thin film layer or nexine low-density film layer raw material；
（5）Outer layer high density thin film layer or nexine low-density film layer raw material are dehydrated, are washed and are dried, then with 40
Purpose sieve obtains powder high density thin film layer raw material or low-density film layer is former to sieving through dry material
Material；
（6）High density thin film layer is obtained first by film laminator, then the low-density of spin coating melting is thin in high density thin film layer
Film layer raw material, to form composite construction, frosted process is done on the surface of the low-density film layer.
Embodiment 2
In the embodiment of the present invention, a kind of greenhouse film for being capable of uniform illumination, including the outer layer high density thin film layer for inside and outside arranging
It is compound with nexine low-density film layer to constitute,
The raw material of high density thin film layer component by weight is：
50 parts of low density polyethylene (LDPE), 11 parts of heat preserving agent, 25 parts of metallocene PE resin, 11 parts of light conversion agent, 6 parts of antifogging agent, stream
11 parts of drops, 6 parts of antioxidant, 2.5 parts of light stabilizer, 17 parts of vinyl acetate, 13 parts of acrylic ester monomer, 6 parts of maleic acid, draw
Send out 2.5 parts of agent, 5 parts of dispersant；
The raw material of low-density film layer component by weight is：
45 parts of high density polyethylene (HDPE), 11 parts of heat preserving agent, 30 parts of metallocene PE resin, 9 parts of light conversion agent, 6 parts of antifogging agent, drip
11 parts of agent, 6 parts of antioxidant, 2.5 parts of light stabilizer, 17 parts of vinyl acetate, 13 parts of acrylic ester monomer, 6 parts of maleic acid, initiation
2.5 parts of agent, 5 parts of dispersant.
As further scheme of the invention：The preparation method of the greenhouse film for being capable of uniform illumination, concrete steps
It is as follows：
（1）First drip agent, antioxidant and dispersant are added in reactor, is stirred, dispersant is fully dissolved；
（2）Vinyl acetate, maleic acid and acrylic ester monomer are added, and continues stirring 15 minutes；
（3）When reaction is down to 0.1MPa to the pressure in reactor, start to add remaining raw material, and connected in 3.2 hours
It is continuous to add, reacted；
（4）When the pressure in reactor is down to below 0.05MPa, reactor is heated, when the material liter in reactor
During to 70 degrees Celsius, kept for 2.5 hours at this temperature, obtain outer layer high density thin film layer or nexine low-density film layer is former
Material；
（5）Outer layer high density thin film layer or nexine low-density film layer raw material are dehydrated, are washed and are dried, then with 40
Purpose sieve obtains powder high density thin film layer raw material or low-density film layer is former to sieving through dry material
Material；
（6）High density thin film layer is obtained first by film laminator, then the low-density of spin coating melting is thin in high density thin film layer
Film layer raw material, to form composite construction, frosted process is done on the surface of the low-density film layer
Embodiment 3
In the embodiment of the present invention, a kind of greenhouse film for being capable of uniform illumination, including the outer layer high density thin film layer for inside and outside arranging
It is compound with nexine low-density film layer to constitute,
The raw material of high density thin film layer component by weight is：
60 parts of low density polyethylene (LDPE), 12 parts of heat preserving agent, 30 parts of metallocene PE resin, 12 parts of light conversion agent, 7 parts of antifogging agent, stream
12 parts of drops, 7 parts of antioxidant, 3 parts of light stabilizer, 18 parts of vinyl acetate, 16 parts of acrylic ester monomer, 7 parts of maleic acid, initiation
3 parts of agent, 6 parts of dispersant；
The raw material of low-density film layer component by weight is：
55 parts of high density polyethylene (HDPE), 12 parts of heat preserving agent, 35 parts of metallocene PE resin, 10 parts of light conversion agent, 7 parts of antifogging agent, stream
12 parts of drops, 7 parts of antioxidant, 3 parts of light stabilizer, 18 parts of vinyl acetate, 16 parts of acrylic ester monomer, 7 parts of maleic acid, initiation
3 parts of agent, 6 parts of dispersant.
As further scheme of the invention：The preparation method of the greenhouse film for being capable of uniform illumination, concrete steps
It is as follows：
（1）First drip agent, antioxidant and dispersant are added in reactor, is stirred, dispersant is fully dissolved；
（2）Vinyl acetate, maleic acid and acrylic ester monomer are added, and continues stirring 20 minutes；
（3）When reaction is down to 0.1MPa to the pressure in reactor, start to add remaining raw material, and it is continuous in 4 hours
Add, reacted；
（4）When the pressure in reactor is down to below 0.05MPa, reactor is heated, when the material liter in reactor
During to 72 degrees Celsius, kept for 3 hours at this temperature, obtain outer layer high density thin film layer or nexine low-density film layer raw material；
（5）Outer layer high density thin film layer or nexine low-density film layer raw material are dehydrated, are washed and are dried, then with 40
Purpose sieve obtains powder high density thin film layer raw material or low-density film layer is former to sieving through dry material
Material；
（6）High density thin film layer is obtained first by film laminator, then the low-density of spin coating melting is thin in high density thin film layer
Film layer raw material, to form composite construction, frosted process is done on the surface of the low-density film layer.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of spirit or essential attributes without departing substantially from the present invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity those skilled in the art should
Using specification as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art
Understandable other embodiment.
Claims (6)
1. a kind of greenhouse film for being capable of uniform illumination, it is characterised in that including the outer layer high density thin film layer for inside and outside arranging and
Nexine low-density film layer is compound to be constituted,
The raw material of high density thin film layer component by weight is：
Low density polyethylene (LDPE) 40-60 parts, heat preserving agent 10-12 parts, metallocene PE resin 20-30 parts, light conversion agent 10-12 parts,
Antifogging agent 5-7 parts, drip agent 10-12 parts, antioxidant 5-7 parts, light stabilizer 2-3 parts, vinyl acetate 16-18 parts, acrylate
Class monomer 10-16 parts, maleic acid 5-7 parts, initiator 2-3 parts, dispersant 4-6 parts；
The raw material of low-density film layer component by weight is：
High density polyethylene (HDPE) 35-55 parts, heat preserving agent 10-12 parts, metallocene PE resin 25-35 parts, light conversion agent 8-10 parts, disappear
Mist agent 5-7 parts, drip agent 10-12 parts, antioxidant 5-7 parts, light stabilizer 2-3 parts, vinyl acetate 16-18 parts, esters of acrylic acid
Monomer 10-16 parts, maleic acid 5-7 parts, initiator 2-3 parts, dispersant 4-6 parts.
2. a kind of greenhouse film for being capable of uniform illumination, it is characterised in that including the outer layer high density thin film layer for inside and outside arranging and
Nexine low-density film layer is compound to be constituted,
The raw material of high density thin film layer component by weight is：
50 parts of low density polyethylene (LDPE), 11 parts of heat preserving agent, 25 parts of metallocene PE resin, 11 parts of light conversion agent, 6 parts of antifogging agent, stream
11 parts of drops, 6 parts of antioxidant, 2.5 parts of light stabilizer, 17 parts of vinyl acetate, 13 parts of acrylic ester monomer, 6 parts of maleic acid, draw
Send out 2.5 parts of agent, 5 parts of dispersant；
The raw material of low-density film layer component by weight is：
45 parts of high density polyethylene (HDPE), 11 parts of heat preserving agent, 30 parts of metallocene PE resin, 9 parts of light conversion agent, 6 parts of antifogging agent, drip
11 parts of agent, 6 parts of antioxidant, 2.5 parts of light stabilizer, 17 parts of vinyl acetate, 13 parts of acrylic ester monomer, 6 parts of maleic acid, initiation
2.5 parts of agent, 5 parts of dispersant.
3. a kind of preparation method of the greenhouse film for being capable of uniform illumination as described in claim 1-2 is arbitrary, it is characterised in that
Comprise the following steps that：
（1）First drip agent, antioxidant and dispersant are added in reactor, is stirred, dispersant is fully dissolved；
（2）Add vinyl acetate, maleic acid and acrylic ester monomer；
（3）When reaction is down to 0.1MPa to the pressure in reactor, start to add remaining raw material, reacted；
（4）When the pressure in reactor is down to below 0.05MPa, reactor is heated, when the material liter in reactor
It is incubated to after 68-72 degree Celsius, obtains outer layer high density thin film layer or nexine low-density film layer raw material；
（5）Outer layer high density thin film layer or nexine low-density film layer raw material are dehydrated, are washed and are dried, then with 40
Purpose sieve obtains powder high density thin film layer raw material or low-density film layer is former to sieving through dry material
Material；
（6）High density thin film layer is obtained first by film laminator, then the low-density of spin coating melting is thin in high density thin film layer
Film layer raw material, to form composite construction, frosted process is done on the surface of the low-density film layer.
4. the preparation method of the greenhouse film for being capable of uniform illumination according to claim 3, it is characterised in that the step
（2）In mixing time be 10-20 minutes.
5. the preparation method of the greenhouse film for being capable of uniform illumination according to claim 3, it is characterised in that the step
（3）In remaining raw material add in 2.5-4 hours.
6. the preparation method of the greenhouse film for being capable of uniform illumination according to claim 3, it is characterised in that the step
（4）In temperature retention time be 2-3 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611132553.8A CN106613503A (en) | 2016-12-09 | 2016-12-09 | Greenhouse film capable of balancing illumination and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611132553.8A CN106613503A (en) | 2016-12-09 | 2016-12-09 | Greenhouse film capable of balancing illumination and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018205220A1 (en) * | 2017-05-11 | 2018-11-15 | Dow Global Technologies Llc | Multilayer polyolefin greenhouse films with high transparency |
| CN109232941A (en) * | 2017-05-31 | 2019-01-18 | 北京化工大学 | Turn the multifunctional polymer film and preparation method thereof of the light heat preservation anti-droplet of permanent hydrophilic |
| CN110903767A (en) * | 2019-11-08 | 2020-03-24 | 华南农业大学 | Ultraviolet curing adhesive with light conversion function and preparation method thereof |
-
2016
- 2016-12-09 CN CN201611132553.8A patent/CN106613503A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018205220A1 (en) * | 2017-05-11 | 2018-11-15 | Dow Global Technologies Llc | Multilayer polyolefin greenhouse films with high transparency |
| CN110612212A (en) * | 2017-05-11 | 2019-12-24 | 陶氏环球技术有限责任公司 | Multilayer polyolefin greenhouse film with high transparency |
| US11319419B2 (en) | 2017-05-11 | 2022-05-03 | Dow Global Technologies Llc | Multilayer polyolefin greenhouse films with high transparency |
| CN109232941A (en) * | 2017-05-31 | 2019-01-18 | 北京化工大学 | Turn the multifunctional polymer film and preparation method thereof of the light heat preservation anti-droplet of permanent hydrophilic |
| CN109232941B (en) * | 2017-05-31 | 2020-12-22 | 北京化工大学 | Light-conversion heat-preservation permanent hydrophilic anti-fogging multifunctional polymer film and preparation method thereof |
| CN110903767A (en) * | 2019-11-08 | 2020-03-24 | 华南农业大学 | Ultraviolet curing adhesive with light conversion function and preparation method thereof |
| CN110903767B (en) * | 2019-11-08 | 2021-09-10 | 华南农业大学 | Ultraviolet curing adhesive with light conversion function and preparation method thereof |
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Application publication date: 20170510 |