CN107974012A - PVDF-TrFE laminated films and preparation method thereof - Google Patents
PVDF-TrFE laminated films and preparation method thereof Download PDFInfo
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- CN107974012A CN107974012A CN201610915894.6A CN201610915894A CN107974012A CN 107974012 A CN107974012 A CN 107974012A CN 201610915894 A CN201610915894 A CN 201610915894A CN 107974012 A CN107974012 A CN 107974012A
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- Prior art keywords
- nickel
- trfe
- pvdf
- titanium dioxide
- laminated films
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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
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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
- C08L27/00—Compositions 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; Compositions of derivatives of such polymers
- C08L27/02—Compositions 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; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions 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; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/16—Homopolymers or copolymers or 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
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
Abstract
This application discloses a kind of PVDF TrFE laminated films, including PVDF TrFE matrixes and the titanium dioxide and nickel that are doped in PVDF TrFE matrixes, the wherein doping of titanium dioxide is 8~15%, and the doping of nickel is 3~7%.Disclosed herein as well is a kind of preparation method of PVDF TrFE laminated films, including：(1), nickel nano-titanium dioxide powder is prepared；(2), the nickel nano-titanium dioxide powder of preparation is dissolved in DMF, adds PVP and PVDF TrFE, 20~30min of ultrasonic disperse under the conditions of 40~60 DEG C；(3), the solvent flashing under the conditions of 70~85 DEG C；(4), when 110~140 DEG C of annealing 3~5 are small, the PVDF TrFE laminated films of nickel and titania additive are obtained.In the present invention, nickel and titanium dioxide can be very good to be dispersed in PVDF TrFE matrixes, not have agglomeration between nickel and titanium dioxide, its dielectric constant of prepared composite membrane is 19.4, dielectric loss 1.2.
Description
Technical field
This application involves a kind of dielectric material, more particularly to a kind of PVDF-TrFE laminated films and preparation method thereof.
Background technology
Energy storage material has extraordinary storage electric charge and uniformly electricity as a kind of extensive functional form material of application prospect
Field function.Capacitor is a kind of important energy storage material, is widely used in the every field such as aviation, household electrical appliances, traffic, communication.
Dielectric substance is one important part of capacitor, and the energy-storage property of dielectric substance has been largely fixed capacitance
The performance of device.
Single dielectric substance has been difficult to meet industrialized needs.Quality is good, pliability is good, is easily processed into
The high polymer matrix composite of type, dielectric properties is widely used in capacitor, sensor, manually because of its excellent performance
The fields such as muscle.
The content of the invention
It is an object of the invention to provide a kind of PVDF-TrFE laminated films and preparation method thereof, to overcome the prior art
In deficiency.
To achieve the above object, the present invention provides following technical solution：
The embodiment of the present application discloses a kind of PVDF-TrFE laminated films, including PVDF-TrFE matrixes and is doped in
Titanium dioxide and nickel in PVDF-TrFE matrixes, the wherein doping of titanium dioxide 8~15%, the doping of nickel 3~
7%.
Correspondingly, disclosed herein as well is a kind of preparation method of PVDF-TrFE laminated films, including：
(1), nickel-nano-titanium dioxide powder is prepared；
(2), nickel-nano-titanium dioxide powder of preparation is dissolved in DMF, adds PVP and PVDF-TrFE, 40~
20~30min of ultrasonic disperse under the conditions of 60 DEG C；
(3), the solvent flashing under the conditions of 70~85 DEG C；
(4), when 110~140 DEG C of annealing 3~5 are small, the PVDF-TrFE laminated films of nickel and titania additive are obtained.
Preferably, in the preparation method of above-mentioned PVDF-TrFE laminated films, the step (1) includes：
S1, weigh sodium hydroxide, dissolves in distilled water, stirring and dissolving；
S2, by TiCl4It is slowly added to hydrolyze in sodium hydrate aqueous solution with nickel nitrate, then makes Cl with electrophoresis desalination process
Ion concentration is less than 50ppm；
S3, will slough the titanium hydroxide colloidal sol of salt when crystallization 12~24 is small under the conditions of 120~200 DEG C, up to nickel-nanometer
Titanium dioxide；
Nickel-nano-titanium dioxide of acquisition, be ground by s4, then when 400~800 DEG C of calcinings 2~3 are small, obtains
Nickel-nano-titanium dioxide powder.
Compared with prior art, the advantage of the invention is that：In the present invention, nickel and titanium dioxide can be very good to be dispersed in
In PVDF-TrFE matrixes, there is no agglomeration between nickel and titanium dioxide, its dielectric constant of prepared composite membrane is 19.4,
Dielectric loss is 1.2.
Embodiment
The present invention is described further by the following example：According to following embodiments, the present invention may be better understood.
However, as it will be easily appreciated by one skilled in the art that embodiment described specific material ratio, process conditions and its result are only used
In the explanation present invention, without the present invention described in detail in claims should will not be limited.
Embodiment 1
PVDF-TrFE laminated films include PVDF-TrFE matrixes and the titanium dioxide being doped in PVDF-TrFE matrixes
The doping of titanium and nickel, wherein titanium dioxide is 10%, and the doping of nickel is 4%.
(1), the preparation of nano-titanium dioxide powder：
Sodium hydroxide is weighed, is dissolved in distilled water, stirring and dissolving；
By TiCl4Be slowly added to hydrolyze in sodium hydrate aqueous solution with nickel nitrate, then with electrophoresis desalination process make Cl from
Sub- content is less than 50ppm；
The titanium hydroxide colloidal sol of salt will be sloughed when crystallization 20 is small under the conditions of 140 DEG C, up to nickel-nano-titanium dioxide；
Nickel-nano-titanium dioxide of acquisition is ground, then when 600 DEG C of calcinings 2 are small, obtains nickel-nano-silica
Change titanium valve body.
(2), nickel-nano-titanium dioxide powder of preparation is dissolved in DMF, PVP and PVDF-TrFE is added, at 60 DEG C
Under the conditions of ultrasonic disperse 20min；
(3), the solvent flashing under the conditions of 85 DEG C；
(4), when 120 DEG C of annealing 3 are small, the PVDF-TrFE laminated films of nickel and titania additive are obtained.
In the present embodiment, nickel and titanium dioxide can be very good to be dispersed in PVDF-TrFE matrixes, nickel and titanium dioxide it
Between there is no an agglomeration, its dielectric constant of prepared composite membrane is 19.4, dielectric loss 1.2.
Embodiment 2
PVDF-TrFE laminated films include PVDF-TrFE matrixes and the titanium dioxide being doped in PVDF-TrFE matrixes
The doping of titanium and nickel, wherein titanium dioxide is 8%, and the doping of nickel is 7%.
(1), the preparation of nano-titanium dioxide powder：
Sodium hydroxide is weighed, is dissolved in distilled water, stirring and dissolving；
By TiCl4Be slowly added to hydrolyze in sodium hydrate aqueous solution with nickel nitrate, then with electrophoresis desalination process make Cl from
Sub- content is less than 50ppm；
The titanium hydroxide colloidal sol of salt will be sloughed when crystallization 24 is small under the conditions of 200 DEG C, up to nickel-nano-titanium dioxide；
Nickel-nano-titanium dioxide of acquisition is ground, then when 800 DEG C of calcinings 2 are small, obtains nickel-nano-silica
Change titanium valve body.
(2), nickel-nano-titanium dioxide powder of preparation is dissolved in DMF, PVP and PVDF-TrFE is added, at 60 DEG C
Under the conditions of ultrasonic disperse 20min；
(3), the solvent flashing under the conditions of 70 DEG C；
(4), when 110 DEG C of annealing 5 are small, the PVDF-TrFE laminated films of nickel and titania additive are obtained.
In the present embodiment, nickel and titanium dioxide can be very good to be dispersed in PVDF-TrFE matrixes, nickel and titanium dioxide it
Between there is no an agglomeration, its dielectric constant of prepared composite membrane is 18.8, dielectric loss 1.25.
Finally, it is to be noted that, term " comprising ", "comprising" or its any other variant be intended to it is non-exclusive
Property includes, so that process, method, article or equipment including a series of elements not only include those key elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Key element.
Claims (3)
1. a kind of PVDF-TrFE laminated films, it is characterised in that including PVDF-TrFE matrixes and be doped in PVDF-TrFE
Titanium dioxide and nickel in matrix, the wherein doping of titanium dioxide are 8~15%, and the doping of nickel is 3~7%.
2. the preparation method of the PVDF-TrFE laminated films described in claim 1, it is characterised in that including：
(1), nickel-nano-titanium dioxide powder is prepared；
(2), nickel-nano-titanium dioxide powder of preparation is dissolved in DMF, PVP and PVDF-TrFE is added, at 40~60 DEG C
Under the conditions of 20~30min of ultrasonic disperse；
(3), the solvent flashing under the conditions of 70~85 DEG C；
(4), when 110~140 DEG C of annealing 3~5 are small, the PVDF-TrFE laminated films of nickel and titania additive are obtained.
3. the preparation method of PVDF-TrFE laminated films according to claim 2, it is characterised in that：Step (1) bag
Include：
S1, weigh sodium hydroxide, dissolves in distilled water, stirring and dissolving；
S2, by TiCl4It is slowly added to hydrolyze in sodium hydrate aqueous solution with nickel nitrate, then makes Cl ions with electrophoresis desalination process
Content is less than 50ppm；
S3, will slough the titanium hydroxide colloidal sol of salt when crystallization 12~24 is small under the conditions of 120~200 DEG C, up to nickel-nano-silica
Change titanium；
Nickel-nano-titanium dioxide of acquisition, be ground by s4, then when 400~800 DEG C of calcinings 2~3 are small, obtains nickel-receive
Rice titanium dioxide powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610915894.6A CN107974012A (en) | 2016-10-21 | 2016-10-21 | PVDF-TrFE laminated films and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610915894.6A CN107974012A (en) | 2016-10-21 | 2016-10-21 | PVDF-TrFE laminated films and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN107974012A true CN107974012A (en) | 2018-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610915894.6A Withdrawn CN107974012A (en) | 2016-10-21 | 2016-10-21 | PVDF-TrFE laminated films and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110752286A (en) * | 2019-10-25 | 2020-02-04 | 业成科技（成都）有限公司 | Piezoelectric film, preparation method thereof and piezoelectric film sensor |
| CN113527826A (en) * | 2021-06-04 | 2021-10-22 | 宁波大学 | Composite film of flaky core-shell structure doped with polyvinylidene fluoride copolymer and preparation method thereof |
-
2016
- 2016-10-21 CN CN201610915894.6A patent/CN107974012A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110752286A (en) * | 2019-10-25 | 2020-02-04 | 业成科技（成都）有限公司 | Piezoelectric film, preparation method thereof and piezoelectric film sensor |
| CN110752286B (en) * | 2019-10-25 | 2023-04-07 | 业成科技（成都）有限公司 | Piezoelectric film, preparation method thereof and piezoelectric film sensor |
| CN113527826A (en) * | 2021-06-04 | 2021-10-22 | 宁波大学 | Composite film of flaky core-shell structure doped with polyvinylidene fluoride copolymer and preparation method thereof |
| CN113527826B (en) * | 2021-06-04 | 2022-08-26 | 宁波大学 | Composite film of flaky core-shell structure doped with polyvinylidene fluoride copolymer and preparation method thereof |
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Application publication date: 20180501 |