CN106243501A - A kind of preparation method of ageing-resistant ventilative preventing atomization gardening film - Google Patents

A kind of preparation method of ageing-resistant ventilative preventing atomization gardening film Download PDF

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CN106243501A
CN106243501A CN201610695865.3A CN201610695865A CN106243501A CN 106243501 A CN106243501 A CN 106243501A CN 201610695865 A CN201610695865 A CN 201610695865A CN 106243501 A CN106243501 A CN 106243501A
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film
ageing
parts
gardening
preventing atomization
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CN106243501B (en
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秦文斌
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Jiangsu Oasis Horticulture Co Ltd
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Jiangsu Oasis Horticulture Co Ltd
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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
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • 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
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/12—Polypropene
    • 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
    • C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2467/02—Polyesters derived from dicarboxylic acids and dihydroxy 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
    • 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
    • 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
    • C08L2205/03—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
    • 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
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16—Fibres; Fibrils

Abstract

The invention discloses the preparation method of a kind of ageing-resistant ventilative preventing atomization gardening film, first by PP, PET, modified LDPE, polyester fiber and silicon dioxide join in mixing and blending machine and are uniformly mixed, and obtain mixture one；Then mixture one is transferred in reactor, add MMB methyl methacrylate butadiene styrol copolymer, ethyl acrylate, phenyl-phosphite and diethyl phosphite and Polyethylene Glycol, under vacuum condition, within the time of 40 60 minutes, it is warming up to 60 70 DEG C, after stirring reaction, obtains mixture two；Then in mixture two, add antioxidant, UV absorbent, disodiumedetate, barium stearate, mix homogeneously, by plastic film blowing machine blown film, obtain ageing-resistant ventilative preventing atomization gardening film.The gardening film that obtains of preparation method that this provides has good mechanical performance, has good ventilative, preventing atomization, the performance such as ageing-resistant simultaneously, improves the usability of film.

Description

A kind of preparation method of ageing-resistant ventilative preventing atomization gardening film
Technical field
The invention belongs to gardening Material Field, be specifically related to the preparation side of a kind of ageing-resistant ventilative preventing atomization gardening film Method.
Background technology
Polypropylene (PP) is a kind of thermoplastic resin prepared by propylene polymerization.Polypropylene is nontoxic, odorless, tasteless The polymer that milky is highly crystalline, density only has 0.90-0.91g/cm3, it is one of kind the lightest in current all plastics.It Particularly stable to water, the water absorption rate in water is only 0.01%, molecular weight about 8-15 ten thousand.Good moldability, but because shrinkage factor (is greatly 1%-2.5%). thick article easily caves in, part higher to some dimensional accuracies, is difficult to reach requirement, product surface gloss Good.Polyacrylic chemical stability is fine, outside decapacitation is corroded by concentrated sulphuric acid, concentrated nitric acid, all compares other various chemical reagent Stable, but the aliphatic hydrocarbon of low-molecular-weight, aromatic hydrocarbon and chlorinated hydrocabon etc. can make polypropylene soften and swelling, its chemically stable simultaneously Property also increase with the increase of degree of crystallinity, so polypropylene is suitable for making various chemical pipelines and accessory, anticorrosion ability is good Good.
PET is milky or light yellow, the polymer of highly crystalline, and surface smooths glossy.In wider temperature range Inside having excellent physical and mechanical properties, life-time service temperature is up to 120 DEG C, and electrical insulating property is excellent, even under high-temperature high-frequency, Its electrical property is still preferable, but corona resistance is poor, creep resistance, fatigue durability, and rub resistance, dimensional stability are the most fine.PET There is ester bond, can decompose under strong acid, highly basic and water vapor acting, organic solvent-resistant, good weatherability.Shortcoming is crystalline rate Slowly, processing and forming difficulty, molding temperature is high, and the production cycle is long, and impact property is poor.
Low Density Polyethylene (LDPE), also known as polyethylene from high pressure process, is a kind of plastic material, and it is suitable for thermoplastic molding's processing Various moulding processs, molding processibility is good.LDPE is mainly used for making film product, is additionally operable to injection-molded item, medical apparatus, Medicine and packaging material for food, blowing hollow molding goods etc..
Three of the above material, owing to differing from one another, is therefore widely used in every field, and for horticultural field Membrane material, it, owing to using the special of environment, the most just has specific requirement, as firstly the need of good anti ageing property, with Time can have again a good insulation and preventing atomization performance etc., and gardening film anti ageing property conventional at present can reach one Fixed requirement, but preventing atomization performance is the most poor, the most in use seedling can be produced certain impact, it is therefore desirable to Develop the gardening film of a kind of high comprehensive performance.The step used in preparation method of the present invention and each component have good association Same effect, common effect promotes the lifting of final products performance.
Summary of the invention
It is an object of the invention to provide a kind of ageing-resistant ventilative preventing atomization to overcome above the deficiencies in the prior art The preparation method of gardening film, improves ageing-resistant, permeability and preventing atomization performance etc., promotes the use model of film further Enclose.
Technical scheme is as follows:
The preparation method of a kind of ageing-resistant ventilative preventing atomization gardening film, comprises the following steps:
Step 1, by PP 30-40 part in parts by weight, PET 5-10 part, modified LDPE 20-30 part, polyester fiber 2- 5 parts and silicon dioxide 0.5-1 part join in mixing and blending machine and are uniformly mixed, and obtain mixture one；
Step 2, is transferred to mixture one in reactor, add methyl methacrylate-butadiene in parts by weight- Styrol copolymer 0.5-1 part, ethyl acrylate 2-4 part, phenyl-phosphite 0.5-1 part, diethyl phosphite 2-4 part and poly-second Glycol 3-6 part, is warming up to 60-70 DEG C under vacuum condition within the time of 40-60 minute, stirs 80-100 minute, is mixed Compound two；
Step 3, adds antioxidant 0.8-2 part in parts by weight in mixture two, UV absorbent 0.5-1 part, Disodiumedetate 1-2 part, barium stearate 1-3 part, mix homogeneously, by plastic film blowing machine blown film, obtain ageing-resistant Gas preventing atomization gardening film.
Further, the preparation method of described ageing-resistant ventilative preventing atomization gardening film, the system of modified LDPE in step 1 Preparation Method is by LDPE 10-20 part in parts by weight and acrylate 3-8 part, adds under vacuum is 0.02-0.04MPa Heat, to 50-60 DEG C, stirs 30-50 minute, is subsequently adding dimethylaminoethyl acrylate 2-4 part, keeps vacuum, is warming up to 70-80 DEG C, and keep 10-20 minute, it is cooled to 50-60 DEG C, adds stearic acid 2-5 part, stir 30-40 minute, obtain modification LDPE。
Further, the preparation method of described ageing-resistant ventilative preventing atomization gardening film, step 1 is uniformly mixed Mixing speed be 80-90 rev/min, mixing time 30-40 minute.
Further, the preparation method of described ageing-resistant ventilative preventing atomization gardening film, in step 1, silicon dioxide is for receiving Rice silicon dioxide.
Further, the preparation method of described ageing-resistant ventilative preventing atomization gardening film, in step 2, vacuum condition is true Reciprocal of duty cycle is 0.01-0.05MPa.
Further, the preparation method of described ageing-resistant ventilative preventing atomization gardening film, in step 2, Polyethylene Glycol is poly- Ethylene glycol 800.
Further, the preparation method of described ageing-resistant ventilative preventing atomization gardening film, in step 3, antioxidant is antioxygen Agent 1010.
Further, the preparation method of described ageing-resistant ventilative preventing atomization gardening film, step 3 middle-ultraviolet lamp absorbent For UV-531.
Further, the preparation method of described ageing-resistant ventilative preventing atomization gardening film, in step 3, blown film temperature is 170-180 DEG C, blow-up ratio is 2.5-3, and draw ratio is 4-6.
The gardening film that the preparation method that the present invention provides prepares has excellent combination property, wherein hot strength Having reached more than 38MPa, elongation at break has reached more than 202%, and preventing atomization performance has reached one-level, and breathability WVTR reaches 3100g/m2More than 24h, 1000h photoaging stretching strength retentivity has reached more than 98.8%.
Detailed description of the invention:
Embodiment 1
The preparation method of a kind of ageing-resistant ventilative preventing atomization gardening film, comprises the following steps:
Step 1, by PP 30 parts in parts by weight, PET 5 parts, modified LDPE 20 parts, 2 parts of polyester fiber and titanium dioxide Silicon 0.5 part joins in mixing and blending machine and is uniformly mixed, and mixing speed is 80 revs/min, and mixing time 30 minutes obtains Mixture one, wherein the preparation method of modified LDPE is by LDPE 10 parts in parts by weight and acrylate 3 parts, in vacuum Degree, for being heated to 50 DEG C under 0.02MPa, stirs 30 minutes, is subsequently adding dimethylaminoethyl acrylate 2 parts, keeps vacuum, It is warming up to 70 DEG C, and keeps 10 minutes, be cooled to 50 DEG C, add stearic acid 2 parts, stir 30 minutes, obtain modified LDPE；
Step 2, is transferred to mixture one in reactor, add methyl methacrylate-butadiene in parts by weight- Styrol copolymer 0.5 part, ethyl acrylate 2 parts, phenyl-phosphite 0.5 part, diethyl phosphite 2 parts and polyethylene glycol-800 3 parts, under the vacuum condition that vacuum is 0.01MPa, within the time of 40 minutes, it is warming up to 60 DEG C, stirs 80 minutes, mixed Compound two；
Step 3, adds antioxidant 1010 0.8 part in parts by weight, ultraviolet absorbent UV-531 in mixture two 0.5 part, disodiumedetate 1 part, barium stearate 1 part, mix homogeneously, by plastic film blowing machine blown film, blown film temperature is 170-180 DEG C, blow-up ratio is 2.5, and draw ratio is 4, obtains ageing-resistant ventilative preventing atomization gardening film.
Embodiment 2
The preparation method of a kind of ageing-resistant ventilative preventing atomization gardening film, comprises the following steps:
Step 1, by PP 32 parts in parts by weight, PET 6 parts, modified LDPE 25 parts, 3 parts of polyester fiber and nanometer two Silicon oxide 0.6 part joins in mixing and blending machine and is uniformly mixed, and mixing speed is 83 revs/min, mixing time 35 minutes, Obtaining mixture one, wherein the preparation method of modified LDPE is by LDPE 12 parts in parts by weight and acrylate 4 parts, Vacuum is to be heated to 53 DEG C under 0.03Pa, stirs 35 minutes, is subsequently adding dimethylaminoethyl acrylate 3 parts, keeps vacuum Degree, is warming up to 73 DEG C, and keeps 13 minutes, be cooled to 55 DEG C, adds stearic acid 3 parts, stirs 33 minutes, obtains modified LDPE；
Step 2, is transferred to mixture one in reactor, add methyl methacrylate-butadiene in parts by weight- Styrol copolymer 0.6 part, ethyl acrylate 3 parts, phenyl-phosphite 0.6 part, diethyl phosphite 3 parts and polyethylene glycol-800 4 parts, under the vacuum condition that vacuum is 0.02MPa, within the time of 45 minutes, it is warming up to 63 DEG C, stirs 85 minutes, mixed Compound two；
Step 3, adds antioxidant 1010 1 part in parts by weight, ultraviolet absorbent UV-531 in mixture two 0.7 part, disodiumedetate 1 part, barium stearate 1 part, mix homogeneously, by plastic film blowing machine blown film, blown film temperature is 170-180 DEG C, blow-up ratio is 2.6, and draw ratio is 4, obtains ageing-resistant ventilative preventing atomization gardening film.
Embodiment 3
The preparation method of a kind of ageing-resistant ventilative preventing atomization gardening film, comprises the following steps:
Step 1, by PP 36 parts in parts by weight, PET 8 parts, modified LDPE 29 parts, 4 parts of polyester fiber and nanometer two Silicon oxide 0.7 part joins in mixing and blending machine and is uniformly mixed, and mixing speed is 90 revs/min, mixing time 36 minutes, Obtaining mixture one, wherein the preparation method of modified LDPE is by LDPE 18 parts in parts by weight and acrylate 7 parts, Vacuum is to be heated to 55 DEG C under 0.03MPa, stirs 45 minutes, is subsequently adding dimethylaminoethyl acrylate 3 parts, keeps vacuum Degree, is warming up to 75 DEG C, and keeps 18 minutes, be cooled to 57 DEG C, adds stearic acid 4 parts, stirs 38 minutes, obtains modified LDPE；
Step 2, is transferred to mixture one in reactor, add methyl methacrylate-butadiene in parts by weight- Styrol copolymer 0.7 part, ethyl acrylate 3 parts, phenyl-phosphite 0.8 part, diethyl phosphite 3 parts and polyethylene glycol-800 5 parts, under the vacuum condition that vacuum is 0.04MPa, within the time of 55 minutes, it is warming up to 68 DEG C, stirs 90 minutes, mixed Compound two；
Step 3, adds antioxidant 1010 1.5 parts in parts by weight, ultraviolet absorbent UV-531 in mixture two 0.7 part, disodiumedetate 2 parts, barium stearate 2 parts, mix homogeneously, by plastic film blowing machine blown film, blown film temperature is 170-180 DEG C, blow-up ratio is 2.8, and draw ratio is 5, obtains ageing-resistant ventilative preventing atomization gardening film.
Embodiment 4
The preparation method of a kind of ageing-resistant ventilative preventing atomization gardening film, comprises the following steps:
Step 1, by PP 40 parts in parts by weight, PET 10 parts, modified LDPE 30 parts, 5 parts of polyester fiber and nanometer Silica 1 part joins in mixing and blending machine and is uniformly mixed, and mixing speed is 90 revs/min, mixing time 40 minutes, Obtaining mixture one, wherein the preparation method of modified LDPE is by LDPE 20 parts in parts by weight and acrylate 8 parts, Vacuum is to be heated to 60 DEG C under 0.04MPa, stirs 50 minutes, is subsequently adding dimethylaminoethyl acrylate 4 parts, keeps vacuum Degree, is warming up to 80 DEG C, and keeps 20 minutes, be cooled to 60 DEG C, adds stearic acid 5 parts, stirs 40 minutes, obtains modified LDPE；
Step 2, is transferred to mixture one in reactor, add methyl methacrylate-butadiene in parts by weight- Styrol copolymer 1 part, ethyl acrylate 4 parts, phenyl-phosphite 1 part, diethyl phosphite 4 parts and polyethylene glycol-800 6 parts, Under the vacuum condition that vacuum is 0.05MPa, within the time of 60 minutes, it is warming up to 70 DEG C, stirs 100 minutes, mixed Thing two；
Step 3, adds antioxidant 1010 2 parts in parts by weight, ultraviolet absorbent UV-531 1 in mixture two Part, disodiumedetate 2 parts, barium stearate 3 parts, mix homogeneously, by plastic film blowing machine blown film, blown film temperature is 170- 180 DEG C, blow-up ratio is 3, and draw ratio is 6, obtains ageing-resistant ventilative preventing atomization gardening film.
Reference examples 1
The preparation method of a kind of ageing-resistant ventilative preventing atomization gardening film, comprises the following steps:
Step 1, by PP 36 parts in parts by weight, PET 8 parts, LDPE 29 parts, 4 parts of polyester fiber and nanometer titanium dioxide Silicon 0.7 part joins in mixing and blending machine and is uniformly mixed, and mixing speed is 90 revs/min, and mixing time 36 minutes obtains Mixture one；
Step 2, is transferred to mixture one in reactor, add methyl methacrylate-butadiene in parts by weight- Styrol copolymer 0.7 part, ethyl acrylate 3 parts, phenyl-phosphite 0.8 part, diethyl phosphite 3 parts and polyethylene glycol-800 5 parts, under the vacuum condition that vacuum is 0.04MPa, within the time of 55 minutes, it is warming up to 68 DEG C, stirs 90 minutes, mixed Compound two；
Step 3, adds antioxidant 1010 1.5 parts in parts by weight, ultraviolet absorbent UV-531 in mixture two 0.7 part, disodiumedetate 2 parts, barium stearate 2 parts, mix homogeneously, by plastic film blowing machine blown film, blown film temperature is 170-180 DEG C, blow-up ratio is 2.8, and draw ratio is 5, obtains ageing-resistant ventilative preventing atomization gardening film.
Reference examples 2
The preparation method of a kind of ageing-resistant ventilative preventing atomization gardening film, comprises the following steps:
Step 1, by PP 36 parts in parts by weight, PET 8 parts, modified LDPE 29 parts, 4 parts of polyester fiber and nanometer two Silicon oxide 0.7 part joins in mixing and blending machine and is uniformly mixed, and mixing speed is 90 revs/min, mixing time 36 minutes, Obtaining mixture one, wherein the preparation method of modified LDPE is by LDPE 18 parts in parts by weight and acrylate 7 parts, Vacuum is to be heated to 55 DEG C under 0.03MPa, stirs 45 minutes, is subsequently adding dimethylaminoethyl acrylate 3 parts, keeps vacuum Degree, is warming up to 75 DEG C, and keeps 18 minutes, be cooled to 57 DEG C, adds stearic acid 4 parts, stirs 38 minutes, obtains modified LDPE；
Step 2, is transferred to mixture one in reactor, adds ethyl acrylate 3 parts in parts by weight, phosphorous acid benzene Ester 0.8 part, diethyl phosphite 3 parts and polyethylene glycol-800 5 parts, at 55 points under the vacuum condition that vacuum is 0.04MPa It is warming up to 68 DEG C in the time of clock, stirs 90 minutes, obtain mixture two；
Step 3, adds antioxidant 1010 1.5 parts in parts by weight, ultraviolet absorbent UV-531 in mixture two 0.7 part, disodiumedetate 2 parts, barium stearate 2 parts, mix homogeneously, by plastic film blowing machine blown film, blown film temperature is 170-180 DEG C, blow-up ratio is 2.8, and draw ratio is 5, obtains ageing-resistant ventilative preventing atomization gardening film.
The gardening film preparing above example and reference examples carries out performance test, and result is as follows
Experimentation and the criterion of above preventing atomization performance are as follows:
Experimentation: take a cylindric bucket, will add the hot water of 60-70 DEG C in bucket, addition is to bucket volume Typically, the PVC film that the present invention provides being covered on bucket mouth, surrounding is shut, and observes the fogging situation of film, specific as follows:
Grade Film fogging situation Through performance Observe the definition of water in bucket
One-level Film surface does not has fogging phenomenon Permeability is excellent High-visible
Two grades There is local fogging phenomenon on film surface Permeability is good The most visible
Three grades There is large area fogging phenomenon on film surface Permeability is general May be seen indistinctly
Level Four The complete fogging in film surface Permeability is poor Do not see Chu completely
As can be seen from the above results, the gardening film that the preparation method that the present invention provides prepares has excellent combining Closing performance, wherein hot strength has reached more than 38MPa, and elongation at break has reached more than 202%, and preventing atomization performance reaches One-level, breathability WVTR has reached 3100g/m2More than 24h, 1000h photoaging stretching strength retentivity has reached 98.8% Above.Reference examples 1 and reference examples 2 are the further tests carried out in embodiment 3 extrusion, wherein do not use in reference examples 1 Modified LDPE in preparation method of the present invention, and it is the use of common LDPE, result causes the gardening film prepared saturating Gas performance is remarkably decreased；Reference examples 2 does not the most add MBS, Other are constant, and result causes the gardening film preventing atomization performance finally given to be remarkably decreased, it can be said that bright, prepared by the present invention The step used in method and each component have good cooperative effect, and common effect promotes the lifting of final products performance.

Claims (9)

1. the preparation method of an ageing-resistant ventilative preventing atomization gardening film, it is characterised in that comprise the following steps:
Step 1, by PP 30-40 part in parts by weight, PET 5-10 part, modified LDPE 20-30 part, polyester fiber 2-5 part Join in mixing and blending machine with silicon dioxide 0.5-1 part and be uniformly mixed, obtain mixture one；
Step 2, is transferred to mixture one in reactor, adds methyl methacrylate-butadiene-benzene second in parts by weight Alkene copolymer 0.5-1 part, ethyl acrylate 2-4 part, phenyl-phosphite 0.5-1 part, diethyl phosphite 2-4 part and Polyethylene Glycol 3-6 part, is warming up to 60-70 DEG C under vacuum condition within the time of 40-60 minute, stirs 80-100 minute, obtains mixture Two；
Step 3, adds antioxidant 0.8-2 part in parts by weight, UV absorbent 0.5-1 part, second two in mixture two Amine tetraacethyl disodium 1-2 part, barium stearate 1-3 part, mix homogeneously, by plastic film blowing machine blown film, obtain ageing-resistant ventilative anti- Atomization gardening film.
The preparation method of ageing-resistant ventilative preventing atomization gardening film the most according to claim 1, it is characterised in that step 1 The preparation method of middle modified LDPE is by LDPE 10-20 part in parts by weight and acrylate 3-8 part, in vacuum is It is heated to 50-60 DEG C under 0.02-0.04MPa, stirs 30-50 minute, be subsequently adding dimethylaminoethyl acrylate 2-4 part, protect Hold vacuum, be warming up to 70-80 DEG C, and keep 10-20 minute, be cooled to 50-60 DEG C, add stearic acid 2-5 part, stir 30- 40 minutes, obtain modified LDPE.
The preparation method of ageing-resistant ventilative preventing atomization gardening film the most according to claim 1, it is characterised in that step 1 In the mixing speed that is uniformly mixed be 80-90 rev/min, mixing time 30-40 minute.
The preparation method of ageing-resistant ventilative preventing atomization gardening film the most according to claim 1, it is characterised in that step 1 Middle silicon dioxide is nano silicon.
The preparation method of ageing-resistant ventilative preventing atomization gardening film the most according to claim 1, it is characterised in that step 2 The vacuum of middle vacuum condition is 0.01-0.05MPa.
The preparation method of ageing-resistant ventilative preventing atomization gardening film the most according to claim 1, it is characterised in that step 2 Middle Polyethylene Glycol is polyethylene glycol-800.
The preparation method of ageing-resistant ventilative preventing atomization gardening film the most according to claim 1, it is characterised in that step 3 Middle antioxidant is antioxidant 1010.
The preparation method of ageing-resistant ventilative preventing atomization gardening film the most according to claim 1, it is characterised in that step 3 Middle-ultraviolet lamp absorbent is UV-531.
The preparation method of ageing-resistant ventilative preventing atomization gardening film the most according to claim 1, it is characterised in that step 3 Middle blown film temperature is 170-180 DEG C, and blow-up ratio is 2.5-3, and draw ratio is 4-6.
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CN109306102A (en) * 2018-08-31 2019-02-05 镇江鑫源达园艺科技有限公司 A kind of preparation method of ageing-resistant ventilative gardening mulch

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CN101747548A (en) * 2008-12-16 2010-06-23 金发科技股份有限公司 Compound for preparation of high-strength polyolefin permeable membrane and preparation method thereof
US20120315454A1 (en) * 2009-12-31 2012-12-13 Wang James H Natural biopolymer thermoplastic films
CN103724774A (en) * 2013-12-31 2014-04-16 佛山佛塑科技集团股份有限公司 Calendered alloy material and preparation method for alloy material membrane

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CN109306155A (en) * 2018-08-31 2019-02-05 镇江鑫源达园艺科技有限公司 A kind of gardening awning film and preparation method thereof
CN109306102A (en) * 2018-08-31 2019-02-05 镇江鑫源达园艺科技有限公司 A kind of preparation method of ageing-resistant ventilative gardening mulch

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