CN108084613A - Excellent polyacrylate modified polyvinylidene difluoride film of a kind of uvioresistant performance and preparation method thereof - Google Patents
Excellent polyacrylate modified polyvinylidene difluoride film of a kind of uvioresistant performance and preparation method thereof Download PDFInfo
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- CN108084613A CN108084613A CN201711453993.8A CN201711453993A CN108084613A CN 108084613 A CN108084613 A CN 108084613A CN 201711453993 A CN201711453993 A CN 201711453993A CN 108084613 A CN108084613 A CN 108084613A
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- 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
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F220/58—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide containing oxygen in addition to the carbonamido oxygen, e.g. N-methylolacrylamide, N-(meth)acryloylmorpholine
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/10—Encapsulated ingredients
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- 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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F220/58—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide containing oxygen in addition to the carbonamido oxygen, e.g. N-methylolacrylamide, N-(meth)acryloylmorpholine
- C08F220/585—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide containing oxygen in addition to the carbonamido oxygen, e.g. N-methylolacrylamide, N-(meth)acryloylmorpholine and containing other heteroatoms, e.g. 2-acrylamido-2-methylpropane sulfonic acid [AMPS]
-
- 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
- C08J2327/00—Characterised by the use of homopolymers or 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 a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2327/16—Homopolymers or copolymers of vinylidene fluoride
-
- 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
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/24—Homopolymers or copolymers of amides or imides
-
- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
Abstract
A kind of excellent polyacrylate modified polyvinylidene difluoride film of uvioresistant performance, it is characterized in that, first by cerium chloride and zinc chloride hydrolysis precipitation on nano-titanium dioxide surface, obtain the nano-titanium dioxide that surface cladding mixes cerium zinc oxide, it is surface-treated again using coupling agent KH 550, obtains organic-silicon-modified uvioresistant particle；Then it polymerize to obtain polyacrylate polymers with 2 acrylamide, 2 methyl propane sulfonic acid and hydroxyethyl methacrylate, then it is kneaded with Kynoar in torque rheometer；Finally by the mixture after mixing in N, N dimethyl acetamides heat fusing, deaeration, casting film-forming, obtain a kind of excellent polyacrylate modified polyvinylidene difluoride film of uvioresistant performance.The film of the present invention, has the characteristics that good corrosion resistance, chemical stability, resistance to ultraviolet radiation, weather resistance.
Description
Technical field
The invention belongs to Material Fields, and in particular to a kind of excellent polyacrylate modified poly- inclined fluorine of uvioresistant performance
Vinyl film and preparation method thereof.
Background technology
For Kynoar (PVDF) because having excellent weatherability, heat resistance, resistance to acid and alkali, film forming procedure condition is easy to control
And the advantages that mechanical property is good is a kind of membrane material of function admirable.But ultraviolet radiation can make the tough of Kynoar
Property, the mechanical properties decreases such as intensity, therefore, the uvioresistant modification of Kynoar has great importance.Nano-titanium dioxide
Particle anti-ultraviolet property is good, big to the wavelength band of ultraviolet screener, and has antibacterial, mould proof and smelly eliminating function, cost performance
Height is preferable ultraviolet light screener.
The method for generally taking membrane surface modification, this method of modifying are modified to the uvioresistant of polyvinylidene difluoride film at present
Only it is to membrane surface modification, it is impossible to reach the modification purpose to film inner hole wall.Therefore, it is necessary to a kind of more economical, efficient and behaviour
Make simply and easily modification technology realization to the ultraviolet-resistent property of PVDF thin film.
The content of the invention
It is an object of the invention to provide a kind of resistance to ultraviolet radiation, weather resistance are good polyacrylate modified
Polyvinylidene difluoride film and preparation method thereof.
In order to achieve the object of the present invention, the present invention is implemented by following scheme：
The excellent polyacrylate modified polyvinylidene difluoride film of a kind of uvioresistant performance, which is characterized in that pass through chlorine first
Change cerium and zinc chloride hydrolysis precipitation on nano-titanium dioxide surface, obtain the nano-titanium dioxide that surface cladding mixes cerium zinc oxide,
It is surface-treated again using coupling agent KH-550, obtains organic-silicon-modified uvioresistant particle；Then with 2- acrylamide -2- methyl
Propane sulfonic acid and hydroxyethyl methacrylate polymerize to obtain polyacrylate polymers, then by itself and Kynoar in torque rheology
It is kneaded in instrument；Finally by the mixture after mixing, heat fusing, deaeration, casting film-forming obtain in n,N-dimethylacetamide
The polyacrylate modified polyvinylidene difluoride film excellent to a kind of uvioresistant performance.
The excellent polyacrylate modified polyvinylidene difluoride film of the uvioresistant performance, which is characterized in that its by
Following steps are prepared：
（1）The suspension of nano-titanium dioxide, and ultrasound 30-40min are prepared using absolute ethyl alcohol as solvent, starts magnetic agitation simultaneously
Temperature is raised to 50-60 DEG C, constant temperature is kept, is slowly dropped into cerium chloride and zinc chloride mixed solution, while keeps mixing molten
The pH of liquid is 8-9, continues temperature constant magnetic stirring 10-12h after being added dropwise, slurries are washed, are filtered, are dried, high temperature is forged
Burning processing, you can obtain the nano-titanium dioxide that surface cladding mixes cerium zinc oxide；Wherein in cerium chloride and zinc chloride mixed solution
Cerium chloride and zinc chloride mass ratio are 1：6-8；Nano-titanium dioxide, absolute ethyl alcohol and zinc chloride mass ratio are 1：12-15：0.6-
0.8；
（2）Surface cladding is mixed into the nano-titanium dioxide ultrasonic disperse of cerium zinc oxide in absolute ethyl alcohol and deionized water 8-9：1
In the mixed solution of mass ratio configuration, and coupling agent KH-550 is added under agitation, rise temperature is to 70-80 DEG C, constant temperature
Magnetic agitation 5-8h obtains organic-silicon-modified uvioresistant particle after centrifuging, wash, dry；Wherein surface cladding mixes cerium oxygen
The mass ratio for changing the nano-titanium dioxide of zinc, absolute ethyl alcohol and coupling agent KH-550 is 1：8-10：0.1-0.2.
（3）2- acrylamide-2-methyl propane sulfonics are added to dimethylformamide, are mixed evenly, add in methyl
Hydroxy-ethyl acrylate and azodiisobutyronitrile continue to be mixed evenly, and for rise temperature to 65-75 DEG C, temperature constant magnetic stirring is anti-
6-8h is answered, is cooled to room temperature, vacuum distillation removes dimethylformamide and unreacted monomer, after petroleum ether vacuum distillation
Product 2-3 times, 50-60 DEG C of vacuum drying obtain polyacrylate polymers；Wherein 2- acrylamide-2-methyl propane sulfonics,
The mass ratio of dimethylformamide, hydroxyethyl methacrylate and azodiisobutyronitrile is 1：3-5：0.4-0.6：0.01-0.02；
（4）Kynoar and polyacrylate polymers are added in torque rheometer and are kneaded to abundant melting, is added
Enter polyethylene wax, continue to be kneaded 10-15min, obtain mixture；Wherein Kynoar, polyacrylate polymers and poly- second
The mass ratio of alkene wax is 1：0.2-0.4：0.1-0.15；
（5）Mixture, OP-10, PEG-600 are added in n,N-dimethylacetamide, it is permanent in 60-70 DEG C of thermostat water bath
Temperature stirring 4-6h, addition have been ground into the organic-silicon-modified uvioresistant particle of 400-500 purposes, 60-70 DEG C of ultrasonic vibration in advance
2-3h, standing and defoaming, casting film-forming obtain the excellent polyacrylate modified polyvinylidene difluoride film of uvioresistant performance；Its
Middle mixture, OP-10, PEG-600, the mass ratio of n,N-dimethylacetamide and organic-silicon-modified uvioresistant particle are 1：
0.1-0.2：0.08-0.15：8-10：0.08-0.12.
The preparation method of the excellent polyacrylate modified polyvinylidene difluoride film of the uvioresistant performance, feature
It is, step（1）High temperature calcination processing is 400-450 DEG C of calcining 2-3h.
The preparation method of the excellent polyacrylate modified polyvinylidene difluoride film of the uvioresistant performance, feature
It is, step（4）Middle Kynoar and the polyacrylate polymers melting temperature in rheometer are 180-200 DEG C, are added in
After polyethylene wax, melting temperature is increased to 200-220 DEG C.
Using above-mentioned technical solution, beneficial effects of the present invention are：
The present invention is by cerium chloride and zinc chloride hydrolysis precipitation in nano-titanium dioxide surface and washed, filtering, dry, high temperature
Calcination processing, which obtains surface deposition coating-doping, the zinc oxide of cerium；Compared to simple nano-titanium dioxide and zinc oxide, table
Bread covers that mix the nano-titanium dioxide of cerium zinc oxide its refractive index lower, and reduces the photocatalysis of titanium dioxide and zinc oxide
Activity, the ultraviolet light absorbed are mainly used for transition of electronic energy, will not trigger photocatalysis, this becomes preferable wide spectrum
Inorganic UV shielding material；Surface cladding is mixed into the nano-titanium dioxide of cerium zinc oxide using coupling agent KH-550 processing, reduction
The mutual strong suction-operated of cerium zinc oxide is mixed on the surface of nano-titanium dioxide, is conducive to organic-silicon-modified uvioresistant
Grain is scattered in Kynoar matrix；Organic-silicon-modified uvioresistant particle is added to Kynoar matrix by the present invention
In, then casting film-forming, uvioresistant even particulate dispersion in the film, increase the durability of film uvioresistant again.The present invention with
2- acrylamide-2-methyl propane sulfonics and hydroxyethyl methacrylate polymerize to obtain polyacrylate polymers, then by it and gather
Vinylidene is kneaded in torque rheometer；2- acrylamide-2-methyl propane sulfonics ensure the hydrophily of polymer, cloudy
Ionic group-S03 -H+, the hydrophily of pvdf membrane can be improved and control its surface ionizing degree, it is multi-functional to prepare high-performance
PVDF thin film.The film of the present invention has good corrosion resistance, chemical stability, resistance to ultraviolet radiation, weather resistance
The features such as.
Specific embodiment
The excellent polyacrylate modified polyvinylidene difluoride film of the uvioresistant performance of the present embodiment, by following steps
It is prepared：
（1）The suspension of nano-titanium dioxide, and ultrasound 40min are prepared using absolute ethyl alcohol as solvent, start magnetic agitation and is risen
High-temperature keeps constant temperature, is slowly dropped into cerium chloride and zinc chloride mixed solution, while keeps the pH of mixed solution to 60 DEG C
For 8-9, continue temperature constant magnetic stirring 12h after being added dropwise, slurries are washed, are filtered, are dried, high-temperature calcination processing, i.e.,
It can obtain the nano-titanium dioxide that surface cladding mixes cerium zinc oxide；Cerium chloride and chlorine wherein in cerium chloride and zinc chloride mixed solution
It is 1 to change zinc mass ratio：8；Nano-titanium dioxide, absolute ethyl alcohol and zinc chloride mass ratio are 1：15：0.8；
（2）Surface cladding is mixed into the nano-titanium dioxide ultrasonic disperse of cerium zinc oxide in absolute ethyl alcohol and deionized water 9：1 matter
Amount adds in coupling agent KH-550 than in the mixed solution of configuration under agitation, and to 80 DEG C, constant temperature magnetic force stirs rise temperature
8h is mixed, organic-silicon-modified uvioresistant particle is obtained after centrifuging, wash, dry；Wherein surface cladding mixes receiving for cerium zinc oxide
The mass ratio of rice titanium dioxide, absolute ethyl alcohol and coupling agent KH-550 is 1：10：0.1.
（3）2- acrylamide-2-methyl propane sulfonics are added to dimethylformamide, are mixed evenly, add in methyl
Hydroxy-ethyl acrylate and azodiisobutyronitrile continue to be mixed evenly, and to 75 DEG C, temperature constant magnetic stirring reacts rise temperature
8h is cooled to room temperature, and vacuum distillation removes dimethylformamide and unreacted monomer, the production after petroleum ether vacuum distillation
Object 3 times, 60 DEG C of vacuum drying, obtains polyacrylate polymers；Wherein 2- acrylamide-2-methyl propane sulfonics, dimethyl methyl
The mass ratio of amide, hydroxyethyl methacrylate and azodiisobutyronitrile is 1：5：0.6：0.012；
（4）Kynoar and polyacrylate polymers are added in torque rheometer and are kneaded to abundant melting, is added
Enter polyethylene wax, continue to be kneaded 15min, obtain mixture；Wherein Kynoar, polyacrylate polymers and polyethylene wax
Mass ratio be 1：0.4：0.15；
（5）Mixture, OP-10, PEG-600 are added in n,N-dimethylacetamide, constant temperature in 70 DEG C of thermostat water bath
6h is stirred, adds in and has been ground into the organic-silicon-modified uvioresistant particle of 500 purposes in advance, 70 DEG C of ultrasonic vibration 3h, standing and defoaming,
Casting film-forming obtains the excellent polyacrylate modified polyvinylidene difluoride film of uvioresistant performance；Wherein mixture, OP-10,
The mass ratio of PEG-600, n,N-dimethylacetamide and organic-silicon-modified uvioresistant particle are 1：0.1：0.08：10：0.08.
The preparation method of the excellent polyacrylate modified polyvinylidene difluoride film of the uvioresistant performance of the present embodiment, step
Suddenly（1）High temperature calcination processing is 450 DEG C of calcining 2h.
The preparation method of the excellent polyacrylate modified polyvinylidene difluoride film of the uvioresistant performance of the present embodiment, step
Suddenly（4）Middle Kynoar and the polyacrylate polymers melting temperature in rheometer are 180 DEG C, after adding in polyethylene wax,
Melting temperature is increased to 210 DEG C.
Claims (5)
1. the excellent polyacrylate modified polyvinylidene difluoride film of a kind of uvioresistant performance, which is characterized in that pass through first
Cerium chloride and zinc chloride hydrolysis precipitation obtain the nanometer titanium dioxide that surface cladding mixes cerium zinc oxide on nano-titanium dioxide surface
Titanium, then be surface-treated using coupling agent KH-550, obtain organic-silicon-modified uvioresistant particle；Then with 2- acrylamides -2-
Methyl propane sulfonic acid and hydroxyethyl methacrylate polymerize to obtain polyacrylate polymers, then by itself and Kynoar in torque
It is kneaded in rheometer；Finally by the mixture after mixing, heat fusing, deaeration are cast into n,N-dimethylacetamide
Film obtains a kind of excellent polyacrylate modified polyvinylidene difluoride film of uvioresistant performance.
2. the excellent polyacrylate modified polyvinylidene difluoride film of uvioresistant performance according to claims 1,
It is characterized in that, is prepared by following steps：
（1）The suspension of nano-titanium dioxide, and ultrasound 30-40min are prepared using absolute ethyl alcohol as solvent, starts magnetic agitation simultaneously
Temperature is raised to 50-60 DEG C, constant temperature is kept, is slowly dropped into cerium chloride and zinc chloride mixed solution, while keeps mixing molten
The pH of liquid is 8-9, continues temperature constant magnetic stirring 10-12h after being added dropwise, slurries are washed, are filtered, are dried, high temperature is forged
Burning processing, you can obtain the nano-titanium dioxide that surface cladding mixes cerium zinc oxide；Wherein in cerium chloride and zinc chloride mixed solution
Cerium chloride and zinc chloride mass ratio are 1：6-8；Nano-titanium dioxide, absolute ethyl alcohol and zinc chloride mass ratio are 1：12-15：0.6-
0.8；
（2）Surface cladding is mixed into the nano-titanium dioxide ultrasonic disperse of cerium zinc oxide in absolute ethyl alcohol and deionized water 8-9：1
In the mixed solution of mass ratio configuration, and coupling agent KH-550 is added under agitation, rise temperature is to 70-80 DEG C, constant temperature
Magnetic agitation 5-8h obtains organic-silicon-modified uvioresistant particle after centrifuging, wash, dry；Wherein surface cladding mixes cerium oxygen
The mass ratio for changing the nano-titanium dioxide of zinc, absolute ethyl alcohol and coupling agent KH-550 is 1：8-10：0.1-0.2.
3.（3）2- acrylamide-2-methyl propane sulfonics are added to dimethylformamide, are mixed evenly, add in methyl-prop
Olefin(e) acid hydroxyl ethyl ester and azodiisobutyronitrile continue to be mixed evenly, and to 65-75 DEG C, temperature constant magnetic stirring reacts rise temperature
6-8h is cooled to room temperature, and vacuum distillation removes dimethylformamide and unreacted monomer, after petroleum ether vacuum distillation
Product 2-3 times, 50-60 DEG C of vacuum drying, obtains polyacrylate polymers；Wherein 2- acrylamide-2-methyl propane sulfonics, two
The mass ratio of methylformamide, hydroxyethyl methacrylate and azodiisobutyronitrile is 1：3-5：0.4-0.6：0.01-0.02；
（4）Kynoar and polyacrylate polymers are added in torque rheometer and are kneaded to abundant melting, is added
Enter polyethylene wax, continue to be kneaded 10-15min, obtain mixture；Wherein Kynoar, polyacrylate polymers and poly- second
The mass ratio of alkene wax is 1：0.2-0.4：0.1-0.15；
（5）Mixture, OP-10, PEG-600 are added in n,N-dimethylacetamide, it is permanent in 60-70 DEG C of thermostat water bath
Temperature stirring 4-6h, addition have been ground into the organic-silicon-modified uvioresistant particle of 400-500 purposes, 60-70 DEG C of ultrasonic vibration in advance
2-3h, standing and defoaming, casting film-forming obtain the excellent polyacrylate modified polyvinylidene difluoride film of uvioresistant performance；Its
Middle mixture, OP-10, PEG-600, the mass ratio of n,N-dimethylacetamide and organic-silicon-modified uvioresistant particle are 1：
0.1-0.2：0.08-0.15：8-10：0.08-0.12.
4. the system of the excellent polyacrylate modified polyvinylidene difluoride film of uvioresistant performance according to claims 2
Preparation Method, which is characterized in that step（1）High temperature calcination processing is 400-450 DEG C of calcining 2-3h.
5. the system of the excellent polyacrylate modified polyvinylidene difluoride film of uvioresistant performance according to claims 2
Preparation Method, which is characterized in that step（4）Middle Kynoar and the polyacrylate polymers melting temperature in rheometer is
180-200 DEG C, after adding in polyethylene wax, melting temperature is increased to 200-220 DEG C.
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Cited By (3)
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| CN112662083A (en) * | 2021-01-26 | 2021-04-16 | 江苏铁龙环保设备有限公司 | Anti-aging water stop and preparation method thereof |
| CN113999475A (en) * | 2021-12-03 | 2022-02-01 | 苏州鼎奕通材料科技有限公司 | Sunlight-resistant anti-UV material and preparation method thereof |
| CN116948238A (en) * | 2023-07-20 | 2023-10-27 | 嘉兴高正新材料科技股份有限公司 | Ultra-low temperature-resistant ultraviolet-resistant transparent polyvinylidene fluoride film and preparation method thereof |
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| CN113999475A (en) * | 2021-12-03 | 2022-02-01 | 苏州鼎奕通材料科技有限公司 | Sunlight-resistant anti-UV material and preparation method thereof |
| CN113999475B (en) * | 2021-12-03 | 2022-12-06 | 苏州鼎奕通材料科技有限公司 | Sunlight-resistant anti-UV material and preparation method thereof |
| CN116948238A (en) * | 2023-07-20 | 2023-10-27 | 嘉兴高正新材料科技股份有限公司 | Ultra-low temperature-resistant ultraviolet-resistant transparent polyvinylidene fluoride film and preparation method thereof |
| CN116948238B (en) * | 2023-07-20 | 2024-01-30 | 嘉兴高正新材料科技股份有限公司 | Ultra-low temperature-resistant ultraviolet-resistant transparent polyvinylidene fluoride film and preparation method thereof |
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