CN109920869B - Photovoltaic module back high-performance protective film containing silane coupling agent and preparation method thereof - Google Patents
Photovoltaic module back high-performance protective film containing silane coupling agent and preparation method thereof Download PDFInfo
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- CN109920869B CN109920869B CN201910148400.XA CN201910148400A CN109920869B CN 109920869 B CN109920869 B CN 109920869B CN 201910148400 A CN201910148400 A CN 201910148400A CN 109920869 B CN109920869 B CN 109920869B
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- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a high-performance protective film containing a silane coupling agent for the back of a photovoltaic module and a preparation method thereof, wherein the protective film comprises the following raw materials in parts by weight: 85-95% of natural rubber, 3-5% of polyolefin plastomer resin, 5-8% of ethylene-vinyl acetate copolymer and 2-5% of polyethylene, and S1, firstly determining whether the workshop environment, raw materials, a raw material pot, a melt stirring machine and a high-low pressure film blowing machine are clean, no remains are left, and whether personal hygiene and protective facilities are qualified; the invention relates to the technical field of high-performance protective films. The photovoltaic module back high-performance protective film containing the silane coupling agent and the preparation method thereof solve the problems that the existing photovoltaic module back protective film is short in service life, easy to wear, incapable of better protecting a photovoltaic module in use, and inconvenient to use due to the fact that the photovoltaic module back protective film is damaged to organize due to long-time sunshine and high temperature, and an air bag is generated in the use of the existing back protective film.
Description
Technical Field
The invention relates to the technical field of high-performance protective films, in particular to a high-performance protective film for the back of a photovoltaic module containing a silane coupling agent and a preparation method thereof.
Background
The protective film can be divided into a digital product protective film, an automobile protective film, a household protective film, a food fresh-keeping protective film and the like according to the application. With the popularization of digital products such as mobile phones in China, the protective film has become a general name of the screen protective film slowly, and the function of the protective film in the field of screen protective films is also five-flower eight-door. The materials have undergone more than 5 years of development from the earliest PP materials to the current popular AR materials, and are slowly accepted by the vast cell phone population. The protective film is functionally intended to cover a layer of film over the physical object that we are protecting. Functional protective films such as an AR anti-reflection film, an AG frosted anti-reflection film, a mobile phone mirror film, an anti-peeping film, a high-definition anti-scratch film and the like are available on the world at present. When the backlight of the main screen is turned off, the protective film plays a role of a mirror. When the backlight is turned on, characters and images can be normally displayed through the film. The film is divided into 5-6 layers, and one of the layers is subjected to aluminum evaporation treatment. The mirror function is realized by reflecting external light with this layer. The protective film can be applied to the following fields according to the application range: metal product surfaces, coated metal product surfaces, plastic product surfaces, automotive product surfaces, electronic product surfaces, signage product surfaces, profile product surfaces, and other product surfaces.
Current photovoltaic module back protection film life is shorter, and easy wearing and tearing moreover, can not be better protect photovoltaic module during the use, because long-time sunshine and high temperature can damage photovoltaic module back protection film and take place to organize, produces the gas pocket when current back protection film uses moreover, and it is inconvenient to use.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a photovoltaic module back high-performance protective film containing a silane coupling agent and a preparation method thereof, and solves the problems that the existing photovoltaic module back protective film is short in service life, easy to wear, incapable of better protecting a photovoltaic module in use, capable of damaging the back protective film of the photovoltaic module to generate tissues due to long-time sunshine and high temperature, and inconvenient to use due to the fact that an air bag is generated in the use of the existing back protective film.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: contain silane coupling agent photovoltaic module back high performance protection film, including protection film and photovoltaic board, the top fixedly connected with protection film of photovoltaic board, the raw materials of protection film include according to the part by weight: 85-95% of natural rubber, 3-5% of polyolefin plastomer resin, 5-8% of ethylene-vinyl acetate copolymer and 2-5% of polyethylene.
Preferably, the raw materials comprise the following components in percentage by weight: 85% of natural rubber, 3% of polyolefin plastomer resin, 7% of ethylene-vinyl acetate copolymer and 5% of polyethylene.
Preferably, the raw materials comprise the following components in percentage by weight: 87% of natural rubber, 4% of polyolefin plastomer resin, 7% of ethylene-vinyl acetate copolymer and 5% of polyethylene.
Preferably, the raw materials comprise the following components in percentage by weight: 86% of natural rubber, 4% of polyolefin plastomer resin, 6% of ethylene-vinyl acetate copolymer and 4% of polyethylene.
Preferably, the raw materials comprise the following components in percentage by weight: 90% of natural rubber, 3% of polyolefin plastomer resin, 5% of ethylene-vinyl acetate copolymer and 2% of polyethylene.
Preferably, the natural rubber is guayule, and the natural rubber is prepared by solidifying and drying the guayule and is crushed into particles when in use.
Preferably, the ethylene-vinyl acetate copolymer and the polyethylene are granular materials, and need to be melted without oxygen before being used when being processed.
The invention also discloses a preparation method of the high-performance protective film on the back surface of the photovoltaic module containing the silane coupling agent, which comprises the following steps:
s1, firstly, determining whether the workshop environment, the raw materials, the raw material pot, the melt stirring machine and the high-low pressure film blowing machine are clean, no remains are left, and whether personal hygiene and protective facilities are qualified;
s2, accurately weighing the raw materials according to the weight of each formula to be selected, and labeling the raw materials with labels to indicate the weight, the name and the code;
s3, putting the natural rubber particles into a prepared raw material pot at normal temperature, starting a stirrer to stir at a rotating speed of 40-60r/min, keeping the stirring speed unchanged, sequentially adding the polyolefin plastic resin, the ethylene-vinyl acetate copolymer, the polyethylene and a proper amount of OPP, and stirring for 10-15 min;
s4, discharging, putting the discharged material into a molten liquid stirring machine, carrying out anaerobic melting, controlling the temperature at 400-600 ℃, and stirring at the speed of 60-100 r/min;
s5, after the melting is finished, the molten liquid flows into a high-low pressure film blowing machine through a guide pipe to blow the film;
s6, when blowing the film, performing initial detection, detecting the first batch of protective films produced by the high-low pressure film blowing machine, and then judging whether to continue blowing the film;
and S7, after the initial inspection is finished and qualified, continuously producing, winding the produced protective film on a winding drum through a film winding mechanism, and inspecting and warehousing the packaged finished product.
(III) advantageous effects
The invention provides a high-performance protective film for the back of a photovoltaic module containing a silane coupling agent and a preparation method thereof. Compared with the prior art, the method has the following beneficial effects:
(1) the high-performance protective film comprises the following raw materials in parts by weight: 85-95% of natural rubber, 3-5% of polyolefin plastomer resin, 5-8% of ethylene-vinyl acetate copolymer and 2-5% of polyethylene, and S1, firstly determining whether the workshop environment, raw materials, a raw material pot, a melt stirring machine and a high-low pressure film blowing machine are clean, no remains are left, and whether personal hygiene and protective facilities are qualified; s2, accurately weighing the raw materials according to the weight of each formula to be selected, and labeling the raw materials with labels to indicate the weight, the name and the code; s3, putting the natural rubber particles into a prepared raw material pot at normal temperature, starting a stirrer to stir at a rotating speed of 40-60r/min, keeping the stirring speed unchanged, sequentially adding the polyolefin plastic resin, the ethylene-vinyl acetate copolymer, the polyethylene and a proper amount of OPP, and stirring for 10-15 min; s4, discharging, putting the discharged material into a molten liquid stirring machine, carrying out anaerobic melting, controlling the temperature at 400-600 ℃, and stirring at the speed of 60-100 r/min; s5, after the melting is finished, the molten liquid flows into a high-low pressure film blowing machine through a guide pipe to blow the film; s6, when blowing the film, performing initial detection, detecting the first batch of protective films produced by the high-low pressure film blowing machine, and then judging whether to continue blowing the film; s7, after the qualification is completed by the initial inspection, continuous production is carried out, the protective film produced by the film rolling mechanism is rolled on a winding drum, and the packaged finished product is inspected and stored in a warehouse, so that the problems that the conventional photovoltaic module back protective film has short service life and is easy to wear and tear, the photovoltaic module cannot be better protected during use, the photovoltaic module back protective film can be damaged to be organized due to long-time sunshine and high temperature, and the conventional back protective film generates an air bag during use and is inconvenient to use are solved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure, 1-protective film, 2-photovoltaic panel.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described, 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.
Referring to fig. 1, an embodiment of the present invention provides five technical solutions: contain silane coupling agent photovoltaic module back high performance protection film, including protection film 1 and photovoltaic board 2, the top fixedly connected with protection film 1 of photovoltaic board 2, the raw materials of protection film 1 include according to the part by weight: 85% -95% of natural rubber, 3% -5% of polyolefin plastomer resin, 5% -8% of ethylene-vinyl acetate copolymer and 2% -5% of polyethylene, and the problems that the existing photovoltaic module back protection film is short in service life, easy to wear and tear, incapable of better protecting a photovoltaic module in use, damaged to generate tissues due to long-time sunshine and high temperature, and inconvenient to use due to the fact that the existing back protection film generates air bags in use are solved.
The invention also discloses a preparation method of the high-performance protective film on the back surface of the photovoltaic module containing the silane coupling agent, which specifically comprises the following steps:
example 1
S1, firstly, determining whether the workshop environment, the raw materials, the raw material pot, the melt stirring machine and the high-low pressure film blowing machine are clean, no remains are left, and whether personal hygiene and protective facilities are qualified;
s2, accurately weighing the raw materials according to the weight of each formula to be selected, and labeling the raw materials with labels to indicate the weight, the name and the code;
s3, putting natural rubber particles into a prepared raw material pot at normal temperature, starting a stirrer to stir at a rotating speed of 40r/min, keeping the stirring speed unchanged, sequentially adding polyolefin plastomer resin, ethylene-vinyl acetate copolymer, polyethylene and a proper amount of OPP, and stirring for 11 min;
s4, discharging, putting the discharged material into a molten liquid stirring machine, carrying out anaerobic melting, controlling the temperature at 400 ℃, and stirring at the speed of 60 r/min;
s5, after the melting is finished, the molten liquid flows into a high-low pressure film blowing machine through a guide pipe to blow the film;
s6, when blowing the film, performing initial detection, detecting the first batch of protective films produced by the high-low pressure film blowing machine, and then judging whether to continue blowing the film;
and S7, after the initial inspection is finished and qualified, continuously producing, winding the produced protective film on a winding drum through a film winding mechanism, and inspecting and warehousing the packaged finished product.
Example 2
S1, firstly, determining whether the workshop environment, the raw materials, the raw material pot, the melt stirring machine and the high-low pressure film blowing machine are clean, no remains are left, and whether personal hygiene and protective facilities are qualified;
s2, accurately weighing the raw materials according to the weight of each formula to be selected, and labeling the raw materials with labels to indicate the weight, the name and the code;
s3, putting natural rubber particles into a prepared raw material pot at normal temperature, starting a stirrer to stir at a rotating speed of 40r/min, keeping the stirring speed unchanged, sequentially adding polyolefin plastomer resin, ethylene-vinyl acetate copolymer, polyethylene and a proper amount of OPP, and stirring for 12 min;
s4, discharging, putting the discharged material into a molten liquid stirring machine, carrying out oxygen-free melting, controlling the temperature at 450 ℃, and stirring at the speed of 70 r/min;
s5, after the melting is finished, the molten liquid flows into a high-low pressure film blowing machine through a guide pipe to blow the film;
s6, when blowing the film, performing initial detection, detecting the first batch of protective films produced by the high-low pressure film blowing machine, and then judging whether to continue blowing the film;
and S7, after the initial inspection is finished and qualified, continuously producing, winding the produced protective film on a winding drum through a film winding mechanism, and inspecting and warehousing the packaged finished product.
Example 3
S1, firstly, determining whether the workshop environment, the raw materials, the raw material pot, the melt stirring machine and the high-low pressure film blowing machine are clean, no remains are left, and whether personal hygiene and protective facilities are qualified;
s2, accurately weighing the raw materials according to the weight of each formula to be selected, and labeling the raw materials with labels to indicate the weight, the name and the code;
s3, putting natural rubber particles into a prepared raw material pot at normal temperature, starting a stirrer to stir at a rotating speed of 40r/min, keeping the stirring speed unchanged, sequentially adding polyolefin plastomer resin, ethylene-vinyl acetate copolymer, polyethylene and a proper amount of OPP, and stirring for 13 min;
s4, discharging, putting the discharged material into a molten liquid stirring machine, carrying out anaerobic melting, controlling the temperature at 500 ℃, and stirring at 80 r/min;
s5, after the melting is finished, the molten liquid flows into a high-low pressure film blowing machine through a guide pipe to blow the film;
s6, when blowing the film, performing initial detection, detecting the first batch of protective films produced by the high-low pressure film blowing machine, and then judging whether to continue blowing the film;
and S7, after the initial inspection is finished and qualified, continuously producing, winding the produced protective film on a winding drum through a film winding mechanism, and inspecting and warehousing the packaged finished product.
Example 4
S1, firstly, determining whether the workshop environment, the raw materials, the raw material pot, the melt stirring machine and the high-low pressure film blowing machine are clean, no remains are left, and whether personal hygiene and protective facilities are qualified;
s2, accurately weighing the raw materials according to the weight of each formula to be selected, and labeling the raw materials with labels to indicate the weight, the name and the code;
s3, putting natural rubber particles into a prepared raw material pot at normal temperature, starting a stirrer to stir at a rotating speed of 40r/min, keeping the stirring speed unchanged, sequentially adding polyolefin plastomer resin, ethylene-vinyl acetate copolymer, polyethylene and a proper amount of OPP, and stirring for 14 min;
s4, discharging, putting the discharged material into a molten liquid stirring machine, carrying out anaerobic melting, controlling the temperature at 550 ℃ and the stirring speed at 90 r/min;
s5, after the melting is finished, the molten liquid flows into a high-low pressure film blowing machine through a guide pipe to blow the film;
s6, when blowing the film, performing initial detection, detecting the first batch of protective films produced by the high-low pressure film blowing machine, and then judging whether to continue blowing the film;
and S7, after the initial inspection is finished and qualified, continuously producing, winding the produced protective film on a winding drum through a film winding mechanism, and inspecting and warehousing the packaged finished product.
Example 5
S1, firstly, determining whether the workshop environment, the raw materials, the raw material pot, the melt stirring machine and the high-low pressure film blowing machine are clean, no remains are left, and whether personal hygiene and protective facilities are qualified;
s2, accurately weighing the raw materials according to the weight of each formula to be selected, and labeling the raw materials with labels to indicate the weight, the name and the code;
s3, putting natural rubber particles into a prepared raw material pot at normal temperature, starting a stirrer to stir at a rotating speed of 40r/min, keeping the stirring speed unchanged, sequentially adding polyolefin plastomer resin, ethylene-vinyl acetate copolymer, polyethylene and a proper amount of OPP, and stirring for 15 min;
s4, discharging, putting the discharged material into a molten liquid stirring machine, carrying out anaerobic melting, controlling the temperature at 600 ℃, and stirring at 100 r/min;
s5, after the melting is finished, the molten liquid flows into a high-low pressure film blowing machine through a guide pipe to blow the film;
s6, when blowing the film, performing initial detection, detecting the first batch of protective films produced by the high-low pressure film blowing machine, and then judging whether to continue blowing the film;
and S7, after the initial inspection is finished and qualified, continuously producing, winding the produced protective film on a winding drum through a film winding mechanism, and inspecting and warehousing the packaged finished product.
In summary, the high-performance protective film containing the silane coupling agent on the back surface of the photovoltaic module manufactured by the processes S1-S7 in the embodiments 1-5 can obviously better protect the photovoltaic module when in use, solves the problem that the protective film on the back surface of the photovoltaic module is damaged to generate tissues due to long-time sunshine and high temperature, and is more convenient to use.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. Contain silane coupling agent photovoltaic module back high performance protection film, including protection film (1) and photovoltaic board (2), the top fixedly connected with protection film (1) of photovoltaic board (2), its characterized in that: the protective film (1) comprises the following raw materials in parts by weight: 85-95% of natural rubber, 3-5% of polyolefin plastomer resin, 5-8% of ethylene-vinyl acetate copolymer and 2-5% of polyethylene; the natural rubber is guayule gum, and is prepared by solidifying and drying the guayule gum when in use, and is crushed into particles; the ethylene-vinyl acetate copolymer and the polyethylene are granular materials, and need to be melted without oxygen for use when being processed;
the preparation method specifically comprises the following steps: s1, firstly, determining whether the workshop environment, the raw materials, the raw material pot, the melt stirring machine and the high-low pressure film blowing machine are clean, no remains are left, and whether personal hygiene and protective facilities are qualified;
s2, accurately weighing the raw materials according to the weight of each formula to be selected, and labeling the raw materials with labels to indicate the weight, the name and the code;
s3, putting the natural rubber particles into a prepared raw material pot at normal temperature, starting a stirrer to stir at a rotating speed of 40-60r/min, keeping the stirring speed unchanged, sequentially adding the polyolefin plastic resin, the ethylene-vinyl acetate copolymer, the polyethylene and a proper amount of OPP, and stirring for 10-15 min;
s4, discharging, putting the discharged material into a molten liquid stirring machine, carrying out anaerobic melting, controlling the temperature at 400-600 ℃, and stirring at the speed of 60-100 r/min;
s5, after the melting is finished, the molten liquid flows into a high-low pressure film blowing machine through a guide pipe to blow the film;
s6, when the film is blown, performing initial detection, detecting the first batch of protective films (1) produced by the high-low pressure film blowing machine, and then judging whether to continue to blow the films;
and S7, after the initial inspection is finished and qualified, continuously producing, winding the produced protective film (1) on a winding drum through a film winding mechanism, and inspecting and warehousing the packaged finished product.
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Denomination of invention: High performance protective film on the back of photovoltaic module containing silane coupling agent and its preparation method Effective date of registration: 20221222 Granted publication date: 20210820 Pledgee: Tunxi Mount Huangshan rural commercial bank Limited by Share Ltd. Pledgor: HUANGSHAN TIANMA NEW MATERIAL TECHNOLOGY CO.,LTD. Registration number: Y2022980028777 |
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