CN106867082A - A kind of greenhouse polyvinyl resin plastic sheeting and preparation method thereof - Google Patents
A kind of greenhouse polyvinyl resin plastic sheeting and preparation method thereof Download PDFInfo
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- CN106867082A CN106867082A CN201710240433.8A CN201710240433A CN106867082A CN 106867082 A CN106867082 A CN 106867082A CN 201710240433 A CN201710240433 A CN 201710240433A CN 106867082 A CN106867082 A CN 106867082A
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
- B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- 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
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- 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
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- 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
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- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- 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)
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of greenhouse polyvinyl resin plastic sheeting, including following weight portion raw material：90 parts of PE80,20 parts of PP10,6 parts of POE4,0.5 0.8 parts of light stabilizer, 0.2 1.5 parts of antioxidant, 24 parts of calcium carbonate, 12 parts of mica powder, 0.5 1 parts of kaolin, 13 parts of talcum powder, 10 15 parts of compound anti-mist drops, 0.1 0.7 parts of lubricant, 15 25 parts of plasticizer, the invention also discloses a kind of preparation method of greenhouse polyvinyl resin plastic sheeting；The present invention has preferably mechanical property and optical property.
Description
Technical field
The present invention relates to greenhouse film field of material technology, specifically, it is related to a kind of greenhouse polyvinyl resin plastics thin
Film and preparation method thereof.
Background technology
Planting vegetable in greenhouse technology is a kind of relatively common technology, and it has preferable heat-insulating property, and it receives people deeply
Like, because can all have the vegetables of anti-season at any time.In general, booth vegetable is all used based on bamboo and steel
Structural framework, then covering last layer or multi-layer heat preserving plastic sheeting above, such a easy structure just produces one
Individual complete greenhouse space.Plastic sheeting can effectively prevent the carbon dioxide produced during vegetable growth to be lost in, to reach
The heat insulation effect needed in greenhouse.
And greenhouse film is the important component of greenhouse, its light transmittance is incubated, and the performance of tension and ageing-resistant aspect is superior to
Ordinary agricultural membrane.Growth to greenhouse corps, increases production and increases income and be significant.The conventional awning film of China mainly has four
Kind：The first is polyvinyl chloride（PVC）Canopy film；Second is polyethylene（PE）Canopy film；The third is ethene-vinyl acetate copolymerization
Thing canopy film；4th kind is light modulation property agricultural film.This several canopy film has points of resemblance in nature, also there is difference, thus uses
Effect is also variant.
Polyethylene（PE）Canopy film quality is light, soft, and easy moulding, translucency is good, nontoxic, is suitable to do various canopy films, mulch film, is
The main agricultural film kind of China.It has the disadvantage；Weatherability and heat insulating ability are poor, are difficult bonding.If production greenhouse film, it is necessary to plus
Enter the additives such as antiager, dripless agent, heat preserving agent, just can be adapted to the requirement of production.
So needing a kind of greenhouse polyvinyl resin plastic sheeting to solve the above problems.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of greenhouse polyvinyl resin plastics are thin
Film, including following weight portion raw material：PE80-90 parts, PP10-20 parts, POE4-6 parts, light stabilizer 0.5-0.8 parts, antioxidant
0.2-1.5 parts, calcium carbonate 2-4 parts, mica powder 1-2 parts, kaolin 0.5-1 parts, talcum powder 1-3 parts, compound anti-mist drops 10-15
Part, lubricant 0.1-0.7 parts, plasticizer 15-25 parts.
Preferably, PE includes LDPE and LLDPE, ratio between the two is 8-10：1.
Preferably, light stabilizer includes photomask agent, ultra-violet absorber, quencher and radical scavenger, optical screen
Agent is covered for carbon black, and ultra-violet absorber is salicylic acid esters, and quencher is 3,5- di-tert-butyl -4- benzylphosphonic acid mono ethyl esters
Nickel, radical scavenger is hindered amine as light stabilizer.
Preferably, antioxidant is the mixture of 2,6- three-levels butyl -4- methylphenols and three monooctyl esters, ratio between the two
Example is 2-4：1.
Preferably, compound anti-mist drops is the mixture of sorbitan fatty vinegar and FS fluorine-containing surfactants, both
Between ratio be 5-8：1.
Preferably, lubricant is fat soap, fatty acid, aliphatic alcohols, paraffin, Tissuemat E, low molecule quality
One or more of polyethylene and OPE.
Preferably, plasticizer is di-n-octyl sebacate, ATBC, tris phosphite, the one of epoxidized soybean oil
Plant or arbitrary proportion mixture.
Present invention also offers a kind of preparation method of greenhouse polyvinyl resin plastic sheeting, comprise the following steps：
First, various raw materials are weighed according to above-mentioned weight portion respectively；
2nd, by PE, PP, POE, light stabilizer, antioxidant, calcium carbonate, mica powder, kaolin, talcum powder, compound anti-mist drops,
Lubricant, plasticizer are added to melting 3-5min in reactor, and it is 200-220 DEG C to control temperature；
3rd, the fused mass vented twin-screw extruder of step 2 is extruded into sheet；
4th, by sheet by indulging machine drawing and transverse stretching machine biaxial tension in film；
5th, cool down.
Wherein,
It is 210-250 DEG C that vented twin-screw extruder operating temperature is controlled in step 3.
A kind of greenhouse polyvinyl resin plastic sheeting that the present invention is provided has good combination property, specific beneficial effect
It is as follows：
1st, due to the addition of a certain proportion of PE, PP, POE so that film is nontoxic, the influence to environment is reduced, and it is heat-resisting, resistance to
Burn into density is small, low transparency, low-luster, low rigidity, but has stronger impact strength and elongation at break；
2nd, light stabilizer uses photomask agent, ultra-violet absorber, quencher and radical scavenger, with preventing film aging
Effect；Due to the addition of a certain proportion of compound anti-mist drops, can the effectively anti-vapor than in surfaces of polymeric articles
Condensation forms droplet and drips；
3rd, filler calcium carbonate, mica powder, kaolin and talcum powder translucency are strong, film is had more preferably mechanical property again；
4th, antioxidant, plasticizer and lubricant can increase the performance of film.
5th, a kind of preparation method of greenhouse polyvinyl resin plastic sheeting that the present invention is provided is simple to operate, using two-way drawing
The technology of stretching can make the plastic sheeting for preparing have preferably tensile property, barrier property, optical property, heat-resisting cold resistance,
The multiple performances such as dimensional stability, thickness evenness, and with speed of production is fast, production capacity big, efficiency high the features such as, market is rapid
Development.
Specific embodiment
Invention is described in further detail below in conjunction with specific embodiment.
Embodiment 1
A kind of greenhouse polyvinyl resin plastic sheeting of the present embodiment, including following weight portion raw material：PE80 parts, PP10 parts,
POE4 parts, it is 0.5 part of light stabilizer, 0.2 part of antioxidant, 2 parts of calcium carbonate, 1 part of mica powder, 0.5 part of kaolin, 1 part of talcum powder, multiple
Close 10 parts of antifogging agent, 0.1 part of lubricant, 15 parts of plasticizer.
In the present embodiment, PE includes LDPE and LLDPE, and ratio between the two is 8：1.
In the present embodiment, light stabilizer includes photomask agent, ultra-violet absorber, quencher and radical scavenger, light
Screener is carbon black, and ultra-violet absorber is salicylic acid esters, and quencher is 3,5- di-tert-butyl -4- benzylphosphonic acid list second
Ester nickel, radical scavenger is hindered amine as light stabilizer.
In the present embodiment, antioxidant is the mixture of 2,6- three-levels butyl -4- methylphenols and three monooctyl esters, between the two
Ratio is 2：1.
In the present embodiment, compound anti-mist drops is the mixture of sorbitan fatty vinegar and FS fluorine-containing surfactants, two
Ratio between person is 5：1.
In the present embodiment, lubricant is fat soap, fatty acid, aliphatic alcohols, paraffin, Tissuemat E, low molecule matter
The mixture of weight northylen and OPE.
In the present embodiment, plasticizer is di-n-octyl sebacate, ATBC, tris phosphite, epoxidized soybean oil
Mixture.
The present embodiment additionally provides a kind of preparation method of greenhouse polyvinyl resin plastic sheeting, comprises the following steps：
First, various raw materials are weighed according to above-mentioned weight portion respectively；
2nd, by PE, PP, POE, light stabilizer, antioxidant, calcium carbonate, mica powder, kaolin, talcum powder, compound anti-mist drops,
Lubricant, plasticizer are added to melting 3min in reactor, and it is 200 DEG C to control temperature；
3rd, the fused mass vented twin-screw extruder of step 2 is extruded into sheet；
4th, by sheet by indulging machine drawing and transverse stretching machine biaxial tension in film；
5th, cool down.
Wherein,
It is 210 DEG C that vented twin-screw extruder operating temperature is controlled in step 3.
Embodiment 2
A kind of greenhouse polyvinyl resin plastic sheeting of the present embodiment, it is characterised in that：Raw material including following weight portion：PE85
Part, PP15 part, POE5 parts, 0.7 part of light stabilizer, 1 part of antioxidant, 3 parts of calcium carbonate, 1.5 parts of mica powder, 0.8 part of kaolin, cunning
2 parts of stone flour, 13 parts of compound anti-mist drops, 0.5 part of lubricant, 20 parts of plasticizer.
In the present embodiment, PE includes LDPE and LLDPE, and ratio between the two is 9：1.
In the present embodiment, light stabilizer includes photomask agent, ultra-violet absorber, quencher and radical scavenger, light
Screener is carbon black, and ultra-violet absorber is salicylic acid esters, and quencher is 3,5- di-tert-butyl -4- benzylphosphonic acid list second
Ester nickel, radical scavenger is hindered amine as light stabilizer.
In the present embodiment, antioxidant is the mixture of 2,6- three-levels butyl -4- methylphenols and three monooctyl esters, between the two
Ratio is 3：1.
In the present embodiment, compound anti-mist drops is the mixture of sorbitan fatty vinegar and FS fluorine-containing surfactants, two
Ratio between person is 7：1.
In the present embodiment, lubricant is fat soap, fatty acid, aliphatic alcohols, paraffin, Tissuemat E, low molecule matter
The mixture of weight northylen and OPE.
In the present embodiment, plasticizer is di-n-octyl sebacate, ATBC, tris phosphite, epoxidized soybean oil
Mixture.
The present embodiment additionally provides a kind of preparation method of greenhouse polyvinyl resin plastic sheeting, comprises the following steps：
First, various raw materials are weighed according to above-mentioned weight portion respectively；
2nd, by PE, PP, POE, light stabilizer, antioxidant, calcium carbonate, mica powder, kaolin, talcum powder, compound anti-mist drops,
Lubricant, plasticizer are added to melting 4min in reactor, and it is 210 DEG C to control temperature；
3rd, the fused mass vented twin-screw extruder of step 2 is extruded into sheet；
4th, by sheet by indulging machine drawing and transverse stretching machine biaxial tension in film；
5th, cool down.
Wherein,
It is 230 DEG C that vented twin-screw extruder operating temperature is controlled in step 3.
Embodiment 3
A kind of greenhouse polyvinyl resin plastic sheeting of the present embodiment, it is characterised in that：Raw material including following weight portion：PE90
Part, PP20 parts, POE6 parts, 0.8 part of light stabilizer, 1.5 parts of antioxidant, 4 parts of calcium carbonate, 2 parts of mica powder, 1 part of kaolin, talcum
3 parts of powder, 15 parts of compound anti-mist drops, 00.7 part of lubricant, 25 parts of plasticizer.
In the present embodiment, PE includes LDPE and LLDPE, and ratio between the two is 10：1.
In the present embodiment, light stabilizer includes photomask agent, ultra-violet absorber, quencher and radical scavenger, light
Screener is carbon black, and ultra-violet absorber is salicylic acid esters, and quencher is 3,5- di-tert-butyl -4- benzylphosphonic acid list second
Ester nickel, radical scavenger is hindered amine as light stabilizer.
In the present embodiment, antioxidant is the mixture of 2,6- three-levels butyl -4- methylphenols and three monooctyl esters, between the two
Ratio is 4：1.
In the present embodiment, compound anti-mist drops is the mixture of sorbitan fatty vinegar and FS fluorine-containing surfactants, two
Ratio between person is 8：1.
In the present embodiment, lubricant is fat soap, fatty acid, aliphatic alcohols, paraffin, Tissuemat E, low molecule matter
The mixture of weight northylen and OPE.
In the present embodiment, plasticizer is di-n-octyl sebacate, ATBC, tris phosphite, epoxidized soybean oil
Mixture.
The present embodiment additionally provides a kind of preparation method of greenhouse polyvinyl resin plastic sheeting, comprises the following steps：
First, various raw materials are weighed according to above-mentioned weight portion respectively；
2nd, by PE, PP, POE, light stabilizer, antioxidant, calcium carbonate, mica powder, kaolin, talcum powder, compound anti-mist drops,
Lubricant, plasticizer are added to melting 5min in reactor, and it is 220 DEG C to control temperature；
3rd, the fused mass vented twin-screw extruder of step 2 is extruded into sheet；
4th, by sheet by indulging machine drawing and transverse stretching machine biaxial tension in film；
5th, cool down.
Wherein,
It is 250 DEG C that vented twin-screw extruder operating temperature is controlled in step 3.
With reference to GB 4455-2006 examination criterias, the performance test results of embodiment 1-3 are as follows：
| Embodiment 1 | Embodiment 2 | Embodiment 3 | |
| Tensile strength（Vertical, horizontal）/MPa | 25.3、24.8 | 24.9、24.5 | 25.5、24.7 |
| Elongation at break（Vertical, horizontal）/（%） | 340.3、335.4 | 341.0、335.8 | 340.8、335.6 |
| Angle tear strength（Vertical, horizontal）/（kN/m） | 60.5、59.4 | 60.7、60.1 | 61.5、59.8 |
| Light transmittance/（%） | 92 | 90 | 93 |
| Mist degree/（%） | 20.4 | 20.2 | 21.3 |
And in GB 4455-2006 examination criterias, tensile strength（Vertical, horizontal）/ MPa >=16, elongation at break（Vertical, horizontal）/
（%）>=320, angle tear strength（Vertical, horizontal）/（kN/m）>=60, light transmittance/（%）>=85, mist degree/（%）≤35.
It follows that the greenhouse polyvinyl resin plastic sheeting in embodiment 1-3 has preferably combination property, especially have
There are preferably mechanical property and optical property.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
Should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of greenhouse polyvinyl resin plastic sheeting, it is characterised in that：Raw material including following weight portion：PE80-90 parts,
PP10-20 parts, POE4-6 parts, light stabilizer 0.5-0.8 parts, antioxidant 0.2-1.5 parts, calcium carbonate 2-4 parts, mica powder 1-2 parts,
Kaolin 0.5-1 parts, talcum powder 1-3 parts, 10-15 parts, lubricant 0.1-0.7 parts, plasticizer 15-25 parts of compound anti-mist drops.
2. polyvinyl resin plastic sheeting in greenhouse according to claim 1, it is characterised in that：PE includes LDPE and LLDPE,
Ratio between the two is 8-10：1.
3. polyvinyl resin plastic sheeting in greenhouse according to claim 1, it is characterised in that：Light stabilizer includes light shield
Agent, ultra-violet absorber, quencher and radical scavenger, photomask agent are carbon black, and ultra-violet absorber is salicylic acid esters,
Quencher is 3,5- di-tert-butyl -4- benzylphosphonic acid mono ethyl ester nickel, and radical scavenger is hindered amine as light stabilizer.
4. polyvinyl resin plastic sheeting in greenhouse according to claim 1, it is characterised in that：Antioxidant is 2,6- three-level fourths
The mixture of base -4- methylphenols and three monooctyl esters, ratio between the two is 2-4：1.
5. polyvinyl resin plastic sheeting in greenhouse according to claim 1, it is characterised in that：Compound anti-mist drops is sorb
The mixture of polyol fatty acid vinegar and FS fluorine-containing surfactants, ratio between the two is 5-8：1.
6. polyvinyl resin plastic sheeting in greenhouse according to claim 1, it is characterised in that：Lubricant be fat soap,
One or more of fatty acid, aliphatic alcohols, paraffin, Tissuemat E, low molecule weight polyethylene and OPE.
7. polyvinyl resin plastic sheeting in greenhouse according to claim 1, it is characterised in that：Plasticizer is that decanedioic acid two is pungent
Ester, ATBC, tris phosphite, one kind of epoxidized soybean oil or arbitrary proportion mixture.
8. a kind of preparation method of the greenhouse polyvinyl resin plastic sheeting described in claim 1 ~ 7 any one, its feature exists
In：Comprise the following steps：
First, various raw materials are weighed according to above-mentioned weight portion respectively；
2nd, by PE, PP, POE, light stabilizer, antioxidant, calcium carbonate, mica powder, kaolin, talcum powder, compound anti-mist drops,
Lubricant, plasticizer are added to melting 3-5min in reactor, and it is 200-220 DEG C to control temperature；
3rd, the fused mass vented twin-screw extruder of step 2 is extruded into sheet；
4th, by sheet by indulging machine drawing and transverse stretching machine biaxial tension in film；
5th, cool down.
9. the preparation method of polyvinyl resin plastic sheeting in greenhouse according to claim 8, it is characterised in that：In step 3
It is 210-250 DEG C to control vented twin-screw extruder operating temperature.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107722330A (en) * | 2017-11-23 | 2018-02-23 | 成都新柯力化工科技有限公司 | A kind of preparation method of efficient insulation agripast canopy film |
| CN109111646A (en) * | 2018-08-13 | 2019-01-01 | 深圳市双源包装材料有限公司 | A kind of pre-stretching machine film and preparation method thereof |
| CN109135040A (en) * | 2018-09-27 | 2019-01-04 | 南充三樱药用包装材料有限公司 | A kind of polyethylene film formula |
| CN109206725A (en) * | 2018-11-26 | 2019-01-15 | 李美兰 | A kind of sealed polyethylene plastic formula |
| CN110564034A (en) * | 2019-08-02 | 2019-12-13 | 浙江晟祺实业有限公司 | Polyethylene composite material and preparation method thereof |
| CN111499953A (en) * | 2020-05-12 | 2020-08-07 | 合肥佛斯德新材料科技有限公司 | Anti-ultraviolet heat-insulating film and manufacturing process thereof |
| CN111825907A (en) * | 2019-04-23 | 2020-10-27 | 北京智棉科技有限公司 | Label film and strong cross film |
| CN113119567A (en) * | 2021-04-25 | 2021-07-16 | 广东德冠薄膜新材料股份有限公司 | Biaxially oriented polyethylene heat-sealing antifogging film and preparation method thereof |
| CN114763023A (en) * | 2021-05-19 | 2022-07-19 | 上海骊塑商贸有限公司 | Energy-saving and environment-friendly bubble structure film and preparation process thereof |
| CN115651301A (en) * | 2022-11-15 | 2023-01-31 | 暨南大学 | Biaxially oriented polyolefin agricultural film |
| EP4361204A1 (en) * | 2022-10-31 | 2024-05-01 | Adhex Technologies | Transparent, gas-permeable and waterproof film, particularly for medical applications |
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| CN109135040A (en) * | 2018-09-27 | 2019-01-04 | 南充三樱药用包装材料有限公司 | A kind of polyethylene film formula |
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| CN111825907A (en) * | 2019-04-23 | 2020-10-27 | 北京智棉科技有限公司 | Label film and strong cross film |
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| CN113119567A (en) * | 2021-04-25 | 2021-07-16 | 广东德冠薄膜新材料股份有限公司 | Biaxially oriented polyethylene heat-sealing antifogging film and preparation method thereof |
| CN114763023A (en) * | 2021-05-19 | 2022-07-19 | 上海骊塑商贸有限公司 | Energy-saving and environment-friendly bubble structure film and preparation process thereof |
| EP4361204A1 (en) * | 2022-10-31 | 2024-05-01 | Adhex Technologies | Transparent, gas-permeable and waterproof film, particularly for medical applications |
| FR3141463A1 (en) * | 2022-10-31 | 2024-05-03 | Adhex Technologies | Transparent, gas-permeable and waterproof film, particularly for applications in the medical field. |
| CN115651301A (en) * | 2022-11-15 | 2023-01-31 | 暨南大学 | Biaxially oriented polyolefin agricultural film |
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