CN110157079A - A kind of greenhouse film master batch and preparation method thereof - Google Patents
A kind of greenhouse film master batch and preparation method thereof Download PDFInfo
- Publication number
- CN110157079A CN110157079A CN201910514591.7A CN201910514591A CN110157079A CN 110157079 A CN110157079 A CN 110157079A CN 201910514591 A CN201910514591 A CN 201910514591A CN 110157079 A CN110157079 A CN 110157079A
- Authority
- CN
- China
- Prior art keywords
- master batch
- greenhouse film
- film master
- greenhouse
- particle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
-
- 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
-
- 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
-
- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—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
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/28—Nitrogen-containing compounds
-
- 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
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
- C08K5/5425—Silicon-containing compounds containing oxygen containing at least one C=C bond
Abstract
The invention belongs to agricultural supplie technical fields, disclose a kind of greenhouse film master batch and preparation method thereof, greenhouse film master batch includes following components in percentage by weight: PE particle 60~95%, nano material 3~30% and auxiliary agent 2~10%, and the nano material includes nano ATO powder and/or nanometer TiN powder.PE particle, nano material and auxiliary agent are uniformly mixed, high speed shear and plasticizing are then carried out in double screw extruder, is finally granulated and greenhouse film master batch is made.Greenhouse film master batch obtained can be added in PE particle, be prepared into transparent heat-insulated awning film, which has the performance that light transmittance is adjustable, height is heat-insulated.Compared to the prior art, the temperature in greenhouse can be effectively adjusted in summer using awning film produced by the present invention, achievees the purpose that cooling haves no need to change the form of construction work of greenhouse, does not also increase equipment investment, use cost is low.
Description
Technical field
The invention belongs to agricultural supplie technical fields, and in particular to a kind of greenhouse film master batch and preparation method thereof.
Background technique
Agricultural film is the important means of production of agricultural after seed, chemical fertilizer, pesticide, its application is that China's agricultural is raw
Production brings a revolution, has made significant contribution to growth of agricultural efficiency, increasing peasant income.Currently, domestic agricultural also enter it is new
Developing stage continues to promote crop mix strategical adjustment strategy, brings to the development of agripast application technology bigger
Opportunities and challenges.Coiled material plays very important effect as important plastic products in modern agricultural development.China
It is agricultural coiled material production and most commonly used country.With agripast application technology constantly bring forth new ideas and agripast system
The promotion and popularization application of product, effect of the agripast played in agricultural development are more and more significant.
Southern area summer high temperature high humidity, is unfavorable for the growth of crops.Greenhouse due to that temperature and humidity can be adjusted,
Planting the period for crops can be significantly increased, and reduces the generation of pest and disease damage, so having larger range in southern area
Application.But since summer sunshine is too strong, it is excessively high to will lead to temperature of shed, so to take measures to cool down.Common drop
Warm measure mainly has: setting up Motorized blind net, use when in order to need sun-proof in ceiling；In canopy installation cascade blower into
Row cooling, the disadvantage is that humidity is higher in canopy；It can also use greenhouse special air conditioner that canopy temperature is adjusted.It is several above
There are the higher problems of cost for method.
Summary of the invention
The first object of the present invention is to solve the above problems, and provides a kind of greenhouse film master batch, can be used for manufacturing transparent heat-insulated
Awning film.
It is for technical solution used by the first purpose of realization:
A kind of greenhouse film master batch, including following components in percentage by weight:
PE particle 60~95%, nano material 3~30% and auxiliary agent 2~10%,
The nano material includes nano ATO powder and/or nanometer TiN powder.ATO nano powder material and TiN powder
Nano material all has to visible light-transmissive, and the effect near infrared ray barrier.So light transmission but also can not only can obstruct close red
The heat of outside line makes awning film obtained that there is light transmittance can reconcile high heat-insulated performance.
Preferably, the nano material is the powder that average grain diameter is less than or equal to 80 nanometers.
Preferably, the nano material is to be dispersed in water raw material by wet grinding, then by being spray-dried
The powder arrived, this powder are easily dispersed.
Preferably, the auxiliary agent include one of polyethylene wax, silane coupling A -151 and light stabilizer GW540 or
It is several.
Preferably, greenhouse film master batch includes following components in percentage by weight: PE particle 67%, nano ATO powder 25%
With auxiliary agent 8%.
Preferably, greenhouse film master batch includes following components in percentage by weight: PE particle 95%, nano TiN powder 3%
With auxiliary agent 2%.
Preferably, greenhouse film master batch includes following components in percentage by weight: PE particle 70%, nano ATO powder
15%, nanometer TiN powder 5% and auxiliary agent 10%.
The second object of the present invention is to provide a kind of preparation method of above-mentioned greenhouse film master batch.
It is for technical solution used by the second purpose of realization:
A kind of preparation method of greenhouse film master batch, comprising the following steps: mix PE particle, nano material and auxiliary agent equal
It is even, high speed shear and plasticizing are then carried out in double screw extruder, are finally granulated and greenhouse film master batch is made.
The invention has the benefit that
Greenhouse film master batch provided by the present invention is mixed to prepare, awning film obtained by nano material, PE particle and auxiliary agent
Master batch can be added in PE particle, be prepared into transparent heat-insulated awning film, which has the property that light transmittance is adjustable, height is heat-insulated
Energy.Compared to the prior art, the temperature in greenhouse can be effectively adjusted in summer using awning film produced by the present invention, reaches cooling
Purpose have no need to change the form of construction work of greenhouse, also do not increase equipment investment, use cost is low.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the transmittance curve graph of awning film produced by the present invention.
Specific embodiment
Further explaination is done to the present invention combined with specific embodiments below.
Embodiment 1:
The present embodiment provides a kind of greenhouse film master batch, including following components in percentage by weight: PE particle 67%, nanometer
ATO powder 25% and auxiliary agent 8%.
For producing 100Kg greenhouse film master batch:
5 parts and 3 parts 67 parts of PE particle, 25 parts of nano ATO powder and polyethylene wax silane coupling As -151 are weighed, it will
The above component is uniformly mixed in a high speed mixer, and mixed material carries out high speed shear and modeling in double screw extruder
Change, finally carries out granulation processing again.
Awning film is added as needed suitable greenhouse film master batch when producing and enters in PE particle, and can produce has
The awning film of different light transmissions and shaded effects.
Embodiment 2:
The present embodiment provides a kind of greenhouse film master batch, including following components in percentage by weight: PE particle 75%, nanometer
ATO powder 20% and auxiliary agent 5%.
For producing 100Kg greenhouse film master batch:
4 parts and 1 part 75 parts of PE particle, 20 parts of nano ATO powder and polyethylene wax silane coupling A -151 are weighed, it will
The above component is uniformly mixed in a high speed mixer, and mixed material carries out high speed shear and modeling in double screw extruder
Change, finally carries out granulation processing again.
Awning film is added as needed suitable greenhouse film master batch when producing and enters in PE particle, and can produce has
The awning film of different light transmissions and shaded effects.
Embodiment 3:
The present embodiment provides a kind of greenhouse film master batch, including following components in percentage by weight: PE particle 95%, nanometer
TiN powder 3% and auxiliary agent 2%.
For producing 100Kg greenhouse film master batch:
1 part and 1 part 95 parts of PE particle, 3 parts of nanometer TiN powder and polyethylene wax silane coupling A -151 are weighed, it will be with
Upper component is uniformly mixed in a high speed mixer, and mixed material carries out high speed shear and plasticizing in double screw extruder,
Granulation processing is finally carried out again.
Awning film is added as needed suitable greenhouse film master batch when producing and enters in PE particle, and can produce has
The awning film of different light transmissions and shaded effects.
Embodiment 4:
The present embodiment provides a kind of greenhouse film master batch, including following components in percentage by weight: PE particle 82%, nanometer
TiN powder 10% and auxiliary agent 8%.
For producing 100Kg greenhouse film master batch:
Weigh 82 parts of PE particle, 10 parts of nanometer TiN powder, 4 parts, 2 parts light stabilizer GW540 of polyethylene wax and 2 parts of silicon
Alkane coupling agent A-151, the above component is uniformly mixed in a high speed mixer, mixed material in double screw extruder into
Row high speed shear and plasticizing finally carry out granulation processing again.
Awning film is added as needed suitable greenhouse film master batch when producing and enters in PE particle, and can produce has
The awning film of different light transmissions and shaded effects.
Embodiment 5:
The present embodiment provides a kind of greenhouse film master batch, including following components in percentage by weight: PE particle 82%, nanometer
ATO powder 10%, nanometer TiN powder 3% and auxiliary agent 5%.
For producing 100Kg greenhouse film master batch:
Weigh 3 parts and 2 parts 82 parts of PE particle, 10 parts of nano ATO powder, 3 parts of nanometer TiN powder and polyethylene wax silicon
Alkane coupling agent A-151, the above component is uniformly mixed in a high speed mixer, mixed material in double screw extruder into
Row high speed shear and plasticizing finally carry out granulation processing again.
Awning film is added as needed suitable greenhouse film master batch when producing and enters in PE particle, and can produce has
The awning film of different light transmissions and shaded effects.
Embodiment 6:
The present embodiment provides a kind of greenhouse film master batch, including following components in percentage by weight: PE particle 75%, nanometer
ATO powder 15%, nanometer TiN powder 2% and auxiliary agent 8%.
For producing 100Kg greenhouse film master batch:
4 parts, 2 parts 75 parts of PE particle, 15 parts of nano ATO powder, 2 parts of nanometer TiN powder, polyethylene wax light are weighed to stablize
Agent GW540 and 2 parts of silane coupling As -151, the above component are uniformly mixed in a high speed mixer, mixed material exists
High speed shear and plasticizing are carried out in double screw extruder, finally carry out granulation processing again.
Awning film is added as needed suitable greenhouse film master batch when producing and enters in PE particle, and can produce has
The awning film of different light transmissions and shaded effects.
Embodiment 7:
The present embodiment provides a kind of greenhouse film master batch, including following components in percentage by weight: PE particle 65%, nanometer
ATO powder 25%, nanometer TiN powder 1% and auxiliary agent 9%.
For producing 100Kg greenhouse film master batch:
5 parts, 2 parts 65 parts of PE particle, 25 parts of nano ATO powder, 1 part of nanometer TiN powder, polyethylene wax light are weighed to stablize
Agent GW540 and 2 parts of silane coupling As -151, the above component are uniformly mixed in a high speed mixer, mixed material exists
High speed shear and plasticizing are carried out in double screw extruder, finally carry out granulation processing again.
Awning film is added as needed suitable greenhouse film master batch when producing and enters in PE particle, and can produce has
The awning film of different light transmissions and shaded effects.
Embodiment 8:
10 parts of greenhouse film master batch in Example 1 90 parts of PE particle, is mixed, mixed object by high speed machine
Material carries out high speed shear and plasticizing in double screw extruder, carries out membrane by film balance and No.1 film, film thickness is made
0.1mm。
Embodiment 9:
25 parts of greenhouse film master batch in Example 1 75 parts of PE particle, is mixed, mixed object by high speed machine
Material carries out high speed shear and plasticizing in double screw extruder, carries out membrane by film balance and No. two films, film thickness is made
0.1mm。
Embodiment 10:
3 parts of greenhouse film master batch in Example 3 97 parts of PE particle, is mixed, mixed material by high speed machine
High speed shear and plasticizing are carried out in double screw extruder, membrane are carried out by film balance, No. three films, film thickness 0.1mm is made.
Embodiment 11:
6 parts of greenhouse film master batch in Example 3 94 parts of PE particle, is mixed, mixed material by high speed machine
High speed shear and plasticizing are carried out in double screw extruder, membrane are carried out by film balance, No. four films, film thickness 0.1mm is made.
Embodiment 12:
10 parts of greenhouse film master batch in Example 7 90 parts of PE particle, is mixed, mixed object by high speed machine
Material carries out high speed shear and plasticizing in double screw extruder, carries out membrane by film balance and No. five films, film thickness is made
0.1mm。
The optical property of five kinds of awning films made from embodiment 8-12 is as shown in table 1, and transmittance curve is as shown in Fig. 1:
1 awning film optical property of table
| Serial number | Visible light transmittance % | Infrared ray rejection rate % | Ultraviolet isolating rate % |
| Embodiment 8 | 81.9 | 47.8 | 49.2 |
| Embodiment 9 | 59.7 | 79.9 | 71.3 |
| Embodiment 10 | 45.1 | 58.9 | 69.1 |
| Embodiment 11 | 24.8 | 76.8 | 82.8 |
| Embodiment 12 | 38.5 | 78.9 | 76.6 |
Can be seen that as table 1 and Fig. 1 being capable of not only light transmission but also energy using awning film made from greenhouse film master batch of the invention
The heat of near infrared ray is obstructed, and can according to need the suitable greenhouse film master batch of addition and enter obtained light transmission in PE particle
The adjustable awning film of rate.
The present invention is not limited to above-mentioned optional embodiment, anyone can show that other are each under the inspiration of the present invention
The product of kind form.Above-mentioned specific embodiment should not be understood the limitation of pairs of protection scope of the present invention, protection of the invention
Range should be subject to be defined in claims, and specification can be used for interpreting the claims.
Claims (8)
1. a kind of greenhouse film master batch, which is characterized in that including following components in percentage by weight:
PE particle 60~95%, nano material 3~30% and auxiliary agent 2~10%,
The nano material includes nano ATO powder and/or nanometer TiN powder.
2. greenhouse film master batch according to claim 1, it is characterised in that: the nano material is that average grain diameter is less than or waits
In 80 nanometers of powder.
3. greenhouse film master batch according to claim 2, it is characterised in that: the nano material is to grind raw material by wet process
Mill is dispersed in water, the powder then obtained by spray drying.
4. greenhouse film master batch according to claim 1 or 2, it is characterised in that: the auxiliary agent includes polyethylene wax, silane idol
Join one or more of agent A-151 and light stabilizer GW540.
5. greenhouse film master batch according to claim 1, which is characterized in that including following components in percentage by weight: PE
Grain 67%, nano ATO powder 25% and auxiliary agent 8%.
6. greenhouse film master batch according to claim 1, which is characterized in that including following components in percentage by weight: PE
Grain 95%, nanometer TiN powder 3% and auxiliary agent 2%.
7. greenhouse film master batch according to claim 1, which is characterized in that including following components in percentage by weight: PE
Grain 70%, nano ATO powder 15%, nanometer TiN powder 5% and auxiliary agent 10%.
8. a kind of preparation method of the greenhouse film master batch as described in claim 1~7 is any, which is characterized in that including following step
It is rapid: PE particle, nano material and auxiliary agent being uniformly mixed, high speed shear and plasticizing are then carried out in double screw extruder, most
It is granulated afterwards and greenhouse film master batch is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910514591.7A CN110157079A (en) | 2019-06-14 | 2019-06-14 | A kind of greenhouse film master batch and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910514591.7A CN110157079A (en) | 2019-06-14 | 2019-06-14 | A kind of greenhouse film master batch and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110157079A true CN110157079A (en) | 2019-08-23 |
Family
ID=67628866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910514591.7A Pending CN110157079A (en) | 2019-06-14 | 2019-06-14 | A kind of greenhouse film master batch and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110157079A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1671802A (en) * | 2003-03-17 | 2005-09-21 | 李海旭 | Composition for cutting off heat-ray, film formed therefrom and method for forming the composition and the film |
| AU2006338261A1 (en) * | 2005-05-31 | 2007-08-23 | E. I. Du Pont De Nemours And Company | Nanoparticulate solar control compositions |
| CN101835647A (en) * | 2007-10-23 | 2010-09-15 | 住友金属矿山株式会社 | Solar-radiation-shielding material for vehicle window and window for vehicle |
| CN203786432U (en) * | 2013-09-12 | 2014-08-20 | 张素玲 | Liquid crystal film with light-damage-prevention measure taken in surface |
| CN104559118A (en) * | 2015-01-26 | 2015-04-29 | 徐良 | Polycarbonate master batch capable of rejecting ultraviolet ray radiation and near infrared ray radiation as well as preparation method and application thereof |
| CN105324689A (en) * | 2013-05-16 | 2016-02-10 | 日本化药株式会社 | Infrared-shielding sheet, method for manufacturing same, and application for same |
| CN105754313A (en) * | 2015-11-03 | 2016-07-13 | 魏勇 | Nano insulation masterbatch and preparation method and application thereof |
| CN106432890A (en) * | 2016-09-21 | 2017-02-22 | 陕西理工学院 | Method for preparing nanometer antimony doped tin oxid (ATO) modified antistatic anti-reflection PE agricultural film |
-
2019
- 2019-06-14 CN CN201910514591.7A patent/CN110157079A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1671802A (en) * | 2003-03-17 | 2005-09-21 | 李海旭 | Composition for cutting off heat-ray, film formed therefrom and method for forming the composition and the film |
| AU2006338261A1 (en) * | 2005-05-31 | 2007-08-23 | E. I. Du Pont De Nemours And Company | Nanoparticulate solar control compositions |
| CN101835647A (en) * | 2007-10-23 | 2010-09-15 | 住友金属矿山株式会社 | Solar-radiation-shielding material for vehicle window and window for vehicle |
| CN105324689A (en) * | 2013-05-16 | 2016-02-10 | 日本化药株式会社 | Infrared-shielding sheet, method for manufacturing same, and application for same |
| CN203786432U (en) * | 2013-09-12 | 2014-08-20 | 张素玲 | Liquid crystal film with light-damage-prevention measure taken in surface |
| CN104559118A (en) * | 2015-01-26 | 2015-04-29 | 徐良 | Polycarbonate master batch capable of rejecting ultraviolet ray radiation and near infrared ray radiation as well as preparation method and application thereof |
| CN105754313A (en) * | 2015-11-03 | 2016-07-13 | 魏勇 | Nano insulation masterbatch and preparation method and application thereof |
| CN106432890A (en) * | 2016-09-21 | 2017-02-22 | 陕西理工学院 | Method for preparing nanometer antimony doped tin oxid (ATO) modified antistatic anti-reflection PE agricultural film |
Non-Patent Citations (1)
| Title |
|---|
| 胡传炘: "《特种功能涂层》", 30 September 2009, 北京工业大学出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103951851B (en) | A kind of mulch film and preparation method thereof | |
| CN102432945A (en) | Dry farming anti-aging long-acting autumn mulching film, and preparation process thereof | |
| CN104072844B (en) | A kind of diffusion plastic sheeting for farm use | |
| CN110452072A (en) | Fertilizer coats release membranes, film-coated and slow release fertilizer and its preparation method and application | |
| CN110204871A (en) | A kind of preparation method of the PP Pipe Compound being used to prepare whole life cycle design and the preparation method of degradative plastic film | |
| CN106947157A (en) | A kind of degradable nano water conservation mulch film and preparation method thereof | |
| CN103483661A (en) | Degradable mulching film and preparation method thereof | |
| CN104356549A (en) | Polyvinyl chloride long-acting fog-dispersal dripping agricultural film with slow-release function and preparation method thereof | |
| CN104175579B (en) | A kind of double layer hollow height thermal insulation greenhouse film and preparation method thereof | |
| CN109479656B (en) | Production and processing method of saffron | |
| CN110157079A (en) | A kind of greenhouse film master batch and preparation method thereof | |
| CN107556611A (en) | It is a kind of suitable for conversion film of vegetables greenhouse cultivation and preparation method thereof | |
| CN102295934B (en) | Liquid agricultural mulching film and production method thereof | |
| CN106635036A (en) | Degradable composite water-preserving agent for greenhouse planting and preparation method of degradable composite water-preserving agent | |
| CN105145076A (en) | Method for urging flowering periods of North American begonias to advance | |
| CN104441869B (en) | Light scattering type agricultural film, its manufacture method and purposes | |
| CN107541807B (en) | A kind of preparation method of agricultural facility astigmatism heat radiation cooling protection net | |
| CN105052708A (en) | Greenhouse culture method for anoectochilus formosanus | |
| CN110467800A (en) | A kind of nanometer for Kiwi berry plantation turns the preparation method of light canopy film | |
| CN104151021B (en) | A kind of Traditional Chinese medicinal residue composite fertilizer and preparation method thereof | |
| CN103738021A (en) | High-toughness and high-light-quality modified PO (polyolefin) agricultural greenhouse film and preparation method thereof | |
| CN106009710A (en) | Agricultural plastic mulching film and preparing technology thereof | |
| TWI397373B (en) | Plant growing medium manufacturing method thereof | |
| CN111363231A (en) | Light conversion film based on rare earth color master batch and preparation method thereof | |
| CN111205497A (en) | Improved PVC plastic-wood board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190823 |
|
| RJ01 | Rejection of invention patent application after publication |