CN111995781A - PVB composite film for deicing window and preparation method thereof - Google Patents
PVB composite film for deicing window and preparation method thereof Download PDFInfo
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- CN111995781A CN111995781A CN202010902002.5A CN202010902002A CN111995781A CN 111995781 A CN111995781 A CN 111995781A CN 202010902002 A CN202010902002 A CN 202010902002A CN 111995781 A CN111995781 A CN 111995781A
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- pvb
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- conductive additive
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- deicing
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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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2329/00—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 an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2329/14—Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
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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
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
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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
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/041—Carbon nanotubes
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/042—Graphene or derivatives, e.g. graphene oxides
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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
- C08K7/00—Use of ingredients characterised by shape
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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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
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Abstract
The invention discloses a PVB composite film for a deicing window and a preparation method thereof. The prepared three-layer film has the advantages of remarkable flexibility, transparency, stability, repeatability and durability, high conductivity and uniform resistance distribution, can be applied to a deicing window under low voltage, and has excellent performance. The invention provides a simple and convenient method for preparing the PVB composite film for the deicing window, and the method is suitable for industrial production and wide practical application.
Description
Technical Field
The invention relates to the technical field of deicing windows, in particular to a PVB composite film for a deicing window and a preparation method thereof.
Background
In recent years, with the advent of heating films for deicing windows based on various materials such as oxide nanoparticles, carbon nanotubes, graphene, metal nanowires, metal grids, and hybrids thereof, many advances have been made in this field. However, due to the complicated manufacturing process and high cost, the manufacture of high-performance transparent heating films for deicing windows still has a great problem. Therefore, it is necessary to find a simple and low-cost manufacturing method for preparing a high-performance transparent heating film suitable for a deicing window.
Disclosure of Invention
The invention aims to provide a PVB composite film for a deicing window and a preparation method thereof.
The invention provides the following technical scheme:
1. a PVB composite film for a deicing window and a preparation method thereof are characterized in that the PVB composite film can be prepared by the following steps: firstly, preparing a conductive additive dispersion liquid, adding a conductive additive, a surfactant and the like into a solvent, and stirring until the conductive additive, the surfactant and the like are uniformly dispersed. And then centrifugally separating the agglomerated particles and impurities to obtain the final dispersion liquid. A PVB polymer solution is then prepared and an amount of PVB is dissolved in the solvent and stirred at room temperature until completely dissolved. And then spraying the conductive additive dispersion liquid on a base film, keeping the temperature of the base film at about 80 ℃, spraying a PVB polymer solution 5m in front of a moving line of the base film, adjusting the flow rate of the solution, controlling the thickness of the PVB composite film, and heating and curing at 60 ℃. Then immersing in water to make PVB composite film fall off from the basement membrane, and drying at 80 deg.C.
The conductive additive is one or more of single-walled carbon nanotubes, multi-walled carbon nanotubes, carbon nanofibers, graphene, silver nanowires and the like.
The dispersing agent is one or more of linear alkyl benzene sulfonic acid sodium, fatty alcohol-polyoxyethylene ether sodium sulfate, fatty alcohol-polyoxyethylene ether ammonium sulfate, alkyl sulfonate and the like.
The conductive additive solvent is one or more of deionized water, ethanol, acetone and the like.
The PVB solvent is one or more of dimethylformamide, ethyl acetate, ethanol and the like.
The base film is one or more of glass, polytetrafluoroethylene, copper foil and the like.
The PVB polymer solution has a flow rate of 0.001-100m3/s。
Compared with the prior art, the invention has the beneficial effects that: the method is simple and convenient, has low cost and is suitable for large-scale production, and in addition, the PVB is used as a main polymer raw material, and the prepared three-layer film has remarkable flexibility, transparency, stability, repeatability and durability, high conductivity and uniform resistance distribution, can be applied to a deicing window under low voltage and has more excellent performance.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1 a conductive additive dispersion was first prepared by adding single-walled carbon nanotubes, sodium dodecyl sulfate, etc. to deionized water and stirring until uniformly dispersed. And then centrifugally separating the agglomerated particles and impurities to obtain the final dispersion liquid. A PVB polymer solution was then prepared and an amount of PVB was dissolved in dimethylformamide and stirred at room temperature until completely dissolved. Then spraying the conductive additive dispersion solution on a glass substrate, keeping the temperature of the glass substrate at about 80 ℃, simultaneously spraying a PVB polymer solution 5m in front of a moving line of the glass substrate, and adjusting the flow rate of the solution to be 1m3And/s, controlling the thickness of the PVB composite film, and heating and curing at 60 ℃. Then immersing in water to make PVB composite film fall off from the basement membrane, and drying at 80 deg.C.
Example 2 a conductive additive dispersion was first prepared, and multi-walled carbon nanotubes, sodium hexadecylbenzene sulfonate, etc. were added to deionized water and stirred until uniformly dispersed. And then centrifugally separating the agglomerated particles and impurities to obtain the final dispersion liquid. A PVB polymer solution was then prepared and an amount of PVB was dissolved in dimethylformamide and stirred at room temperature until completely dissolved. Then spraying the conductive additive dispersion solution on a glass substrate, keeping the temperature of the glass substrate at about 80 ℃, simultaneously spraying a PVB polymer solution 5m in front of a moving line of the glass substrate, and adjusting the flow rate of the solution to be 0.1m3And/s, controlling the thickness of the PVB composite film, and heating and curing at 60 ℃. Then immersing in water to make PVB composite film fall off from the basement membrane, and drying at 80 deg.C.
Example 3 a conductive additive dispersion was first prepared by adding silver nanowires, sodium dodecyl sulfate, etcA mixed solution of ionized water and ethanol (V: V ═ 1:1) was stirred until uniformly dispersed. And then centrifugally separating the agglomerated particles and impurities to obtain the final dispersion liquid. A PVB polymer solution was then prepared and an amount of PVB was dissolved in dimethylformamide and stirred at room temperature until completely dissolved. Then spraying the conductive additive dispersion solution on a glass substrate, keeping the temperature of the glass substrate at about 80 ℃, simultaneously spraying a PVB polymer solution 5m in front of a moving line of the glass substrate, and adjusting the flow rate of the solution to 10m3And/s, controlling the thickness of the PVB composite film, and heating and curing at 60 ℃. Then immersing in water to make PVB composite film fall off from the basement membrane, and drying at 80 deg.C.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A PVB composite film for a deicing window and a preparation method thereof are characterized in that the PVB composite film can be prepared by the following steps: firstly, preparing a conductive additive dispersion liquid, adding a conductive additive, a surfactant and the like into a solvent, and stirring until the conductive additive, the surfactant and the like are uniformly dispersed. And then centrifugally separating the agglomerated particles and impurities to obtain the final dispersion liquid. A PVB polymer solution is then prepared and an amount of PVB is dissolved in the solvent and stirred at room temperature until completely dissolved. And then spraying the conductive additive dispersion liquid on a base film, keeping the temperature of the base film at about 80 ℃, spraying a PVB polymer solution 5m in front of a moving line of the base film, adjusting the flow rate of the solution, controlling the thickness of the PVB composite film, and heating and curing at 60 ℃. Then immersing in water to make PVB composite film fall off from the basement membrane, and drying at 80 deg.C.
2. A PVB composite film for a deicing window according to claim 1, wherein: the conductive additive is one or more of single-walled carbon nanotubes, multi-walled carbon nanotubes, carbon nanofibers, graphene, silver nanowires and the like.
3. A PVB composite film for a deicing window according to claim 1, wherein: the dispersing agent is one or more of linear alkyl benzene sulfonic acid sodium, fatty alcohol-polyoxyethylene ether sodium sulfate, fatty alcohol-polyoxyethylene ether ammonium sulfate, alkyl sulfonate and the like.
4. A PVB composite film for a deicing window as set forth in claim 1, wherein said conductive additive solvent is one or more of deionized water, ethanol, acetone, and the like.
5. A PVB composite film for a deicing window as set forth in claim 1, wherein said PVB solvent is one or more of dimethylformamide, ethyl acetate, ethanol, and the like.
6. A PVB composite film for a deicing window as set forth in claim 1, wherein said base film is one or more of glass, polytetrafluoroethylene, copper foil, and the like.
7. A PVB composite film for a deicing window as defined in claim 1, wherein the PVB polymer solution flow rate is from 0.001 m to 100m3/s。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010902002.5A CN111995781A (en) | 2020-09-01 | 2020-09-01 | PVB composite film for deicing window and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010902002.5A CN111995781A (en) | 2020-09-01 | 2020-09-01 | PVB composite film for deicing window and preparation method thereof |
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| CN111995781A true CN111995781A (en) | 2020-11-27 |
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| CN202010902002.5A Pending CN111995781A (en) | 2020-09-01 | 2020-09-01 | PVB composite film for deicing window and preparation method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02225090A (en) * | 1989-02-27 | 1990-09-07 | Graphtec Corp | Sheet for printer |
| DE20100717U1 (en) * | 2000-02-18 | 2001-04-05 | Glas Engels Gmbh | Composite body from a multilayer arrangement |
| CN108470598A (en) * | 2018-04-06 | 2018-08-31 | 天津工业大学 | Flexible transparent conductive film and preparation method thereof |
| CN109957293A (en) * | 2019-04-15 | 2019-07-02 | 清华大学 | Coating, low-radiation film, low-radiation material based on one-dimensional metal silver and preparation method thereof |
| CN110204757A (en) * | 2019-06-18 | 2019-09-06 | 中北大学 | Polyvinyl butyral-carbon dots nano composite membrane preparation method |
| CN110818926A (en) * | 2019-10-21 | 2020-02-21 | 深圳市超导新材料有限公司 | Graphene/polymer composite conductive film and preparation method thereof |
-
2020
- 2020-09-01 CN CN202010902002.5A patent/CN111995781A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02225090A (en) * | 1989-02-27 | 1990-09-07 | Graphtec Corp | Sheet for printer |
| DE20100717U1 (en) * | 2000-02-18 | 2001-04-05 | Glas Engels Gmbh | Composite body from a multilayer arrangement |
| CN108470598A (en) * | 2018-04-06 | 2018-08-31 | 天津工业大学 | Flexible transparent conductive film and preparation method thereof |
| CN109957293A (en) * | 2019-04-15 | 2019-07-02 | 清华大学 | Coating, low-radiation film, low-radiation material based on one-dimensional metal silver and preparation method thereof |
| CN110204757A (en) * | 2019-06-18 | 2019-09-06 | 中北大学 | Polyvinyl butyral-carbon dots nano composite membrane preparation method |
| CN110818926A (en) * | 2019-10-21 | 2020-02-21 | 深圳市超导新材料有限公司 | Graphene/polymer composite conductive film and preparation method thereof |
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