CN112280076A - Preparation method of protective film for solar photovoltaic glass surface - Google Patents
Preparation method of protective film for solar photovoltaic glass surface Download PDFInfo
- Publication number
- CN112280076A CN112280076A CN202011299107.2A CN202011299107A CN112280076A CN 112280076 A CN112280076 A CN 112280076A CN 202011299107 A CN202011299107 A CN 202011299107A CN 112280076 A CN112280076 A CN 112280076A
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- CN
- China
- Prior art keywords
- polyethylene wax
- protective film
- photovoltaic glass
- solar photovoltaic
- sodium maleate
- 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.)
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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
- 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
- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2401/02—Cellulose; Modified cellulose
- C08J2401/04—Oxycellulose; Hydrocellulose
-
- 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
- C08J2423/26—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers modified by chemical after-treatment
- C08J2423/30—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers modified by chemical after-treatment by oxidation
-
- 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
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
Abstract
The invention discloses a preparation method of a protective film for the surface of solar photovoltaic glass; relates to the technical field of photovoltaic glass films, comprising the following steps: (1) heating the polyethylene wax to be molten to obtain molten polyethylene wax, and then adding the polyethylene wax into the molten polyethylene wax; (2) adding the microcrystalline nanocellulose into a sodium maleate solution, heating, keeping the temperature and stirring to obtain sodium maleate modified microcrystalline nanocellulose; (3) sequentially adding polyethylene resin particles, oxidized polyethylene wax, sodium maleate modified microcrystalline nano cellulose and melamine cyanurate into a stirrer, and stirring to obtain a mixture; (4) adding the mixture into a double-screw extruder for melt extrusion granulation, and then adding into a film blowing machine for film blowing to obtain a required protective film; the protective film for the surface of the solar photovoltaic glass prepared by the method has excellent mechanical properties.
Description
Technical Field
The invention belongs to the technical field of photovoltaic glass films, and particularly relates to a preparation method of a protective film for a solar photovoltaic glass surface.
Background
The solar photovoltaic glass consists of low-iron glass, a solar cell piece, a film, back glass, a special metal wire and the like, wherein the solar cell piece is sealed between the low-iron glass and the back glass through the film, and the solar photovoltaic glass is the most novel high-tech glass product for buildings.
The surface of the solar photovoltaic glass needs to be covered with a protective film to protect the photovoltaic glass, however, the protective film prepared by the prior art has poor performance, and the mechanical property can not meet the market demand, so the protective film needs to be improved to improve the mechanical property.
Disclosure of Invention
The invention aims to provide a preparation method of a protective film for the surface of solar photovoltaic glass, which aims to overcome the defects in the prior art.
The technical scheme adopted by the invention is as follows:
a preparation method of a protective film for a solar photovoltaic glass surface comprises the following steps:
(1) heating the polyethylene wax to be molten to obtain molten polyethylene wax, then adding hydrogen peroxide into the molten polyethylene wax, stirring at the rotating speed of 1500r/min for 30min, and then drying to obtain oxidized polyethylene wax;
(2) adding microcrystalline nanocellulose into a sodium maleate solution, heating to 80 ℃, and stirring for 35min under heat preservation to obtain sodium maleate modified microcrystalline nanocellulose;
(3) sequentially adding polyethylene resin particles, oxidized polyethylene wax, sodium maleate modified microcrystalline nanocellulose and melamine cyanurate into a stirrer, and uniformly stirring to obtain a mixture;
(4) and adding the mixture into a double-screw extruder for melt extrusion granulation to obtain master batches, and then adding into a film blowing machine for film blowing to obtain the required protective film.
As a further technical scheme: the mixing mass ratio of the polyethylene wax to the hydrogen peroxide is 10-15: 1.
as a further technical scheme: the mass fraction of the hydrogen peroxide is 15%.
As a further technical scheme: the mixing mass ratio of the microcrystalline nano-cellulose to the sodium maleate solution is 1: 4.
As a further technical scheme: the mass fraction of the sodium maleate solution is 5%.
As a further technical scheme: the mass ratio of the polyethylene resin particles, the oxidized polyethylene wax, the sodium maleate modified microcrystalline nano-cellulose to the melamine cyanurate is as follows: 80-85:6:12:0.5.
As a further technical scheme: and the film blowing ratio in the film blowing machine is 15.
Has the advantages that:
the protective film for the surface of the solar photovoltaic glass prepared by the method has excellent mechanical property, the tensile strength is about 0.35MPa, the tensile strength is improved by about 35% compared with that of a pure polyethylene film, the performance of the polyethylene film on the surface of the solar photovoltaic glass can be greatly improved by improving the tensile strength of the polyethylene film, the solar photovoltaic glass can be better protected, and meanwhile, the transparency of the polyethylene film is slightly reduced, but the influence on the photovoltaic glass is small.
Detailed Description
A preparation method of a protective film for a solar photovoltaic glass surface comprises the following steps:
(1) heating the polyethylene wax to be molten to obtain molten polyethylene wax, then adding hydrogen peroxide into the molten polyethylene wax, stirring at the rotating speed of 1500r/min for 30min, and then drying to obtain oxidized polyethylene wax;
(2) adding microcrystalline nanocellulose into a sodium maleate solution, heating to 80 ℃, and stirring for 35min under heat preservation to obtain sodium maleate modified microcrystalline nanocellulose;
(3) sequentially adding polyethylene resin particles, oxidized polyethylene wax, sodium maleate modified microcrystalline nanocellulose and melamine cyanurate into a stirrer, and uniformly stirring to obtain a mixture;
(4) and adding the mixture into a double-screw extruder for melt extrusion granulation to obtain master batches, and then adding into a film blowing machine for film blowing to obtain the required protective film.
As a further technical scheme: the mixing mass ratio of the polyethylene wax to the hydrogen peroxide is 10-15: 1.
as a further technical scheme: the mass fraction of the hydrogen peroxide is 15%.
As a further technical scheme: the mixing mass ratio of the microcrystalline nano-cellulose to the sodium maleate solution is 1: 4.
As a further technical scheme: the mass fraction of the sodium maleate solution is 5%.
As a further technical scheme: the mass ratio of the polyethylene resin particles, the oxidized polyethylene wax, the sodium maleate modified microcrystalline nano-cellulose to the melamine cyanurate is as follows: 80-85:6:12:0.5.
As a further technical scheme: and the film blowing ratio in the film blowing machine is 15.
The following will clearly and completely describe the technical solutions of 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 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 preparation method of a protective film for a solar photovoltaic glass surface comprises the following steps:
(1) heating the polyethylene wax to be molten to obtain molten polyethylene wax, then adding hydrogen peroxide into the molten polyethylene wax, stirring at the rotating speed of 1500r/min for 30min, and then drying to obtain oxidized polyethylene wax;
(2) adding microcrystalline nanocellulose into a sodium maleate solution, heating to 80 ℃, and stirring for 35min under heat preservation to obtain sodium maleate modified microcrystalline nanocellulose;
(3) sequentially adding polyethylene resin particles, oxidized polyethylene wax, sodium maleate modified microcrystalline nanocellulose and melamine cyanurate into a stirrer, and uniformly stirring to obtain a mixture;
(4) and adding the mixture into a double-screw extruder for melt extrusion granulation to obtain master batches, and then adding into a film blowing machine for film blowing to obtain the required protective film.
As a further technical scheme: the mixing mass ratio of the polyethylene wax to the hydrogen peroxide is 10: 1.
as a further technical scheme: the mass fraction of the hydrogen peroxide is 15%.
As a further technical scheme: the mixing mass ratio of the microcrystalline nano-cellulose to the sodium maleate solution is 1: 4.
As a further technical scheme: the mass fraction of the sodium maleate solution is 5%.
As a further technical scheme: the mass ratio of the polyethylene resin particles, the oxidized polyethylene wax, the sodium maleate modified microcrystalline nano-cellulose to the melamine cyanurate is as follows: 80:6:12:0.5.
As a further technical scheme: and the film blowing ratio in the film blowing machine is 15.
Example 2
A preparation method of a protective film for a solar photovoltaic glass surface comprises the following steps:
(1) heating the polyethylene wax to be molten to obtain molten polyethylene wax, then adding hydrogen peroxide into the molten polyethylene wax, stirring at the rotating speed of 1500r/min for 30min, and then drying to obtain oxidized polyethylene wax;
(2) adding microcrystalline nanocellulose into a sodium maleate solution, heating to 80 ℃, and stirring for 35min under heat preservation to obtain sodium maleate modified microcrystalline nanocellulose;
(3) sequentially adding polyethylene resin particles, oxidized polyethylene wax, sodium maleate modified microcrystalline nanocellulose and melamine cyanurate into a stirrer, and uniformly stirring to obtain a mixture;
(4) and adding the mixture into a double-screw extruder for melt extrusion granulation to obtain master batches, and then adding into a film blowing machine for film blowing to obtain the required protective film.
As a further technical scheme: the mixing mass ratio of the polyethylene wax to the hydrogen peroxide is 15: 1.
as a further technical scheme: the mass fraction of the hydrogen peroxide is 15%.
As a further technical scheme: the mixing mass ratio of the microcrystalline nano-cellulose to the sodium maleate solution is 1: 4.
As a further technical scheme: the mass fraction of the sodium maleate solution is 5%.
As a further technical scheme: the mass ratio of the polyethylene resin particles, the oxidized polyethylene wax, the sodium maleate modified microcrystalline nano-cellulose to the melamine cyanurate is as follows: 85:6:12:0.5.
As a further technical scheme: and the film blowing ratio in the film blowing machine is 15.
Example 3
A preparation method of a protective film for a solar photovoltaic glass surface comprises the following steps:
(1) heating the polyethylene wax to be molten to obtain molten polyethylene wax, then adding hydrogen peroxide into the molten polyethylene wax, stirring at the rotating speed of 1500r/min for 30min, and then drying to obtain oxidized polyethylene wax;
(2) adding microcrystalline nanocellulose into a sodium maleate solution, heating to 80 ℃, and stirring for 35min under heat preservation to obtain sodium maleate modified microcrystalline nanocellulose;
(3) sequentially adding polyethylene resin particles, oxidized polyethylene wax, sodium maleate modified microcrystalline nanocellulose and melamine cyanurate into a stirrer, and uniformly stirring to obtain a mixture;
(4) and adding the mixture into a double-screw extruder for melt extrusion granulation to obtain master batches, and then adding into a film blowing machine for film blowing to obtain the required protective film.
As a further technical scheme: the mixing mass ratio of the polyethylene wax to the hydrogen peroxide is 13: 1.
as a further technical scheme: the mass fraction of the hydrogen peroxide is 15%.
As a further technical scheme: the mixing mass ratio of the microcrystalline nano-cellulose to the sodium maleate solution is 1: 4.
As a further technical scheme: the mass fraction of the sodium maleate solution is 5%.
As a further technical scheme: the mass ratio of the polyethylene resin particles, the oxidized polyethylene wax, the sodium maleate modified microcrystalline nano-cellulose to the melamine cyanurate is as follows: 82:6:12:0.5.
As a further technical scheme: and the film blowing ratio in the film blowing machine is 15.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and the present invention is not limited to the illustrated embodiments, and all the modifications and equivalents of the embodiments may be made without departing from the spirit of the present invention.
Claims (7)
1. A preparation method of a protective film for a solar photovoltaic glass surface is characterized by comprising the following steps:
(1) heating the polyethylene wax to be molten to obtain molten polyethylene wax, then adding hydrogen peroxide into the molten polyethylene wax, stirring at the rotating speed of 1500r/min for 30min, and then drying to obtain oxidized polyethylene wax;
(2) adding microcrystalline nanocellulose into a sodium maleate solution, heating to 80 ℃, and stirring for 35min under heat preservation to obtain sodium maleate modified microcrystalline nanocellulose;
(3) sequentially adding polyethylene resin particles, oxidized polyethylene wax, sodium maleate modified microcrystalline nanocellulose and melamine cyanurate into a stirrer, and uniformly stirring to obtain a mixture;
(4) and adding the mixture into a double-screw extruder for melt extrusion granulation to obtain master batches, and then adding into a film blowing machine for film blowing to obtain the required protective film.
2. The method for preparing the protective film for the surface of the solar photovoltaic glass according to claim 1, wherein the method comprises the following steps: the mixing mass ratio of the polyethylene wax to the hydrogen peroxide is 10-15: 1.
3. the method for preparing the protective film for the surface of the solar photovoltaic glass according to claim 1, wherein the method comprises the following steps: the mass fraction of the hydrogen peroxide is 15%.
4. The method for preparing the protective film for the surface of the solar photovoltaic glass according to claim 1, wherein the method comprises the following steps: the mixing mass ratio of the microcrystalline nano-cellulose to the sodium maleate solution is 1: 4.
5. The method for preparing the protective film for the surface of the solar photovoltaic glass according to claim 1, wherein the method comprises the following steps: the mass fraction of the sodium maleate solution is 5%.
6. The method for preparing the protective film for the surface of the solar photovoltaic glass according to claim 1, wherein the method comprises the following steps: the mass ratio of the polyethylene resin particles, the oxidized polyethylene wax, the sodium maleate modified microcrystalline nano-cellulose to the melamine cyanurate is as follows: 80-85:6:12:0.5.
7. The method for preparing the protective film for the surface of the solar photovoltaic glass according to claim 1, wherein the method comprises the following steps: and the film blowing ratio in the film blowing machine is 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011299107.2A CN112280076A (en) | 2020-11-19 | 2020-11-19 | Preparation method of protective film for solar photovoltaic glass surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011299107.2A CN112280076A (en) | 2020-11-19 | 2020-11-19 | Preparation method of protective film for solar photovoltaic glass surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112280076A true CN112280076A (en) | 2021-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011299107.2A Withdrawn CN112280076A (en) | 2020-11-19 | 2020-11-19 | Preparation method of protective film for solar photovoltaic glass surface |
Country Status (1)
| Country | Link |
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| CN (1) | CN112280076A (en) |
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2020
- 2020-11-19 CN CN202011299107.2A patent/CN112280076A/en not_active Withdrawn
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Application publication date: 20210129 |