CN107699127A - A kind of fire-resisting coating material for solar cell backboard and preparation method thereof - Google Patents
A kind of fire-resisting coating material for solar cell backboard and preparation method thereof Download PDFInfo
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- CN107699127A CN107699127A CN201710839465.XA CN201710839465A CN107699127A CN 107699127 A CN107699127 A CN 107699127A CN 201710839465 A CN201710839465 A CN 201710839465A CN 107699127 A CN107699127 A CN 107699127A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D179/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
- C09D179/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C09D179/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/204—Applications use in electrical or conductive gadgets use in solar cells
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a kind of fire-resisting coating material for solar cell backboard, and it is made up of the raw material of following parts by weight：60 ~ 90 parts 50 ~ 100 parts of polyimides, 10 ~ 40 parts of fluororesin, 20 ~ 50 parts of acrylic resin, 30 ~ 60 parts of butyl acetate, 5 ~ 10 parts of gas phase titanium dioxide, 2 ~ 10 parts of hydroxypropyl cellulose, 3 ~ 15 parts of acetylation ATBC, 2 ~ 10 parts of composite flame-proof additive, 30 ~ 60 parts of ferric ferrocyanide, 20 ~ 50 parts of hexachlorocyclotriph,sphazene, bonding of coupling agent.The coating material flame retardant rating of the present invention reaches 0 grade of VTM, while the function admirable such as mechanical performance, ageing-resistant weatherability with reference to the flame retardant rating that the VTM vertical combustions experiment in the standards of ANSI/UL94 1990 is tested.
Description
Technical field
The present invention relates to solar energy photovoltaic material technical field, and in particular to a kind of for the fire-retardant of solar cell backboard
Coating material and preparation method thereof.
Background technology
With continuous pursuit of the development and people of science and technology to green sustainable development power technology, photovoltaic power generation technology
Quick development is obtained and has been widely applied.While photovoltaic module brings convenient, there is also certain peace
Full hidden danger, such as generated electricity for outdoor solar cell module under the irradiation of sunburst, may be due to reasons such as fallen leaves
Causing percentage of batteries piece to be blocked can not work, and the portion temperature that causes to be blocked exceeds well over the part that is not blocked, so as to temperature
It is too high hot spot occur, the normal work of solar cell is influenceed, or even component is burnt, cause fire.
Important component of the solar cell backboard as photovoltaic module, play what is supported and protect to cell piece component
Effect, but solar cell backboard, which is mostly high polymer material, to be prepared, material itself is inflammable, if component burns,
The layers of material of solar panel is not fire-retardant, and it is out of control to easily cause the intensity of a fire, and substantial amounts of property loss and personnel can be caused to hinder
Die.The external coating of solar cell backboard directly contacts with photovoltaic module, and its material property determines photovoltaic to a certain extent
Component plays the quality of opto-electronic conversion performance.
The content of the invention
It is an object of the invention to provide a kind of coating material for solar cell backboard and preparation method thereof, make the sun
Energy battery back-sheet has good fire resistance and comprehensive performance.
The present invention solve the technical scheme that uses of above-mentioned technical problem for：A kind of fire-retardant painting for solar cell backboard
Layer material, it is made up of the raw material of following parts by weight：50 ~ 100 parts of polyimides, 10 ~ 40 parts of fluororesin, acrylic resin 20
~ 50 parts, 30 ~ 60 parts of butyl acetate, 5 ~ 10 parts of gas phase titanium dioxide, 2 ~ 10 parts of hydroxypropyl cellulose, the fourth of acetylation citric acid three
3 ~ 15 parts of ester, 2 ~ 10 parts of composite flame-proof additive, 30 ~ 60 parts of ferric ferrocyanide, 20 ~ 50 parts of hexachlorocyclotriph,sphazene, bonding coupling
60 ~ 90 parts of agent.
Preferably, a kind of described fire-resisting coating material for solar cell backboard, it is by following parts by weight
Raw material composition：75 parts of polyimides, 25 parts of fluororesin, 35 parts of acrylic resin, 45 parts of butyl acetate, gas phase titanium dioxide 8
Part, 6 parts of hydroxypropyl cellulose, 10 parts of acetylation ATBC, 6 parts of composite flame-proof additive, 45 parts of ferric ferrocyanide, six
75 parts 35 parts of three phosphonitrile of chlorine ring, bonding of coupling agent.
Further, described fluororesin is FEVE fluororesin.
Further, described composite flame-proof additive is the compound of ammonium polyphosphate and fluoro phosphonitrile compound, more
The mass parts of APP and fluoro phosphonitrile compound ratio is 1:2 ~ 6, fluoro phosphonitrile compound chemical formula is N3P3F5OH2CH3。
Further, described bonding coupling agent is vinyl three ('beta '-methoxy ethyoxyl) silane.
A kind of preparation method of described fire-resisting coating material for solar cell backboard, comprises the following steps：
By the polyimides in above-mentioned raw materials, fluororesin, acrylic resin, butyl acetate, gas phase titanium dioxide, hydroxy propyl cellulose
Element, acetylation ATBC, composite flame-proof additive, ferric ferrocyanide and hexachlorocyclotriph,sphazene are abundant at 80 ~ 120 DEG C
It is well mixed, after water removal is dried, bonding coupling agent is added at 150 ~ 190 DEG C and is sufficiently mixed uniformly, is mixed material；Will
After the obtained extruded granulation of mixed material, film is made using inflation film manufacturing machine and obtains the coating material of the present invention.
Further, in above-mentioned preparation method, by the polyimides in above-mentioned raw materials, fluororesin, acrylic resin, acetic acid
Butyl ester, gas phase titanium dioxide, hydroxypropyl cellulose, acetylation ATBC, composite flame-proof additive, ferric ferrocyanide and
Hexachlorocyclotriph,sphazene is sufficiently mixed uniformly at 100 DEG C, and after water removal is dried, it is fully mixed that bonding coupling agent is added at 170 DEG C
Close uniformly, mixed material；Obtained mixed material after extruding pelletization, is adopted at 240 ~ 270 DEG C through double screw extruder
Film is made with inflation film manufacturing machine and obtains the coating material of the present invention.
Described polyimides is soluble polyimide, can be sub- in polyamides in order to increase the solubility of polyimides
Phenyl ring, the tert-butyl group or trifluoromethyl are introduced on the main chain of amine.Polyimides is the polymer of self-extinguishment, and smoke rate is very low,
It has the characteristics such as high-low temperature resistant, high-insulativity, radioresistance and high-mechanical property；There is FEVE fluororesin excellent film forming to consolidate
The property changed, there is FVDF good characteristic, overcome the shortcomings that fluoro coatings need to sinter film forming, and weatherability, acid and alkali-resistance and resistance to molten
Agent is excellent；Composite flame-proof additive has the characteristics of small addition, good flame resistance compared to conventional flame-retardant additive, commonly uses
Halogen-free flame retardants needs larger addition, so as to which the mechanical performance to coating material and actual use performance have an impact.It is comprehensive
Close, flame retardant rating of the invention is tested fire-retardant with reference to the VTM vertical combustions experiment in ANSI/UL94-1990 standards
Grade reaches VTM-0 levels, while the function admirable such as mechanical performance, ageing-resistant weatherability.
Embodiment
With reference to specific embodiment, the present invention is described further.
Embodiment 1：A kind of fire-resisting coating material for solar cell backboard, its by following parts by weight raw material group
Into：75 parts of polyimides, 25 parts of fluororesin, 35 parts of acrylic resin, 45 parts of butyl acetate, 8 parts of gas phase titanium dioxide, hydroxypropyl
6 parts of cellulose, 10 parts of acetylation ATBC, 6 parts of composite flame-proof additive, 45 parts of ferric ferrocyanide, the phosphorus of chlordene ring three
75 parts 35 parts of nitrile, bonding of coupling agent.
Further, described fluororesin is FEVE fluororesin；Described composite flame-proof additive be ammonium polyphosphate and
The mass parts ratio of the compound of fluoro phosphonitrile compound, ammonium polyphosphate and fluoro phosphonitrile compound is 1:4, fluoro phosphonitrile chemical combination
Thing chemical formula is N3P3F5OH2CH3；Described bonding coupling agent is vinyl three ('beta '-methoxy ethyoxyl) silane.
A kind of preparation method of described fire-resisting coating material for solar cell backboard, comprises the following steps：
By the polyimides in above-mentioned raw materials, fluororesin, acrylic resin, butyl acetate, gas phase titanium dioxide, hydroxy propyl cellulose
Element, acetylation ATBC, composite flame-proof additive, ferric ferrocyanide and hexachlorocyclotriph,sphazene are fully mixed at 100 DEG C
Close uniformly, after water removal is dried, bonding coupling agent is added at 170 DEG C and is sufficiently mixed uniformly, is mixed material；By what is obtained
Mixed material after extruding pelletization, is made film using inflation film manufacturing machine and obtains the coating of the present invention through double screw extruder at 255 DEG C
Material.
Embodiment 2：A kind of fire-resisting coating material for solar cell backboard, its by following parts by weight raw material group
Into：50 parts of polyimides, 10 parts of fluororesin, 20 parts of acrylic resin, 30 parts of butyl acetate, 5 parts of gas phase titanium dioxide, hydroxypropyl
2 parts of cellulose, 3 parts of acetylation ATBC, 2 parts of composite flame-proof additive, 30 parts of ferric ferrocyanide, hexachlorocyclotriph,sphazene
60 parts 20 parts, bonding of coupling agent.
Further, described fluororesin is FEVE fluororesin；Described composite flame-proof additive be ammonium polyphosphate and
The mass parts ratio of the compound of fluoro phosphonitrile compound, ammonium polyphosphate and fluoro phosphonitrile compound is 1:2, fluoro phosphonitrile chemical combination
Thing chemical formula is N3P3F5OH2CH3；Described bonding coupling agent is vinyl three ('beta '-methoxy ethyoxyl) silane.
A kind of preparation method of described fire-resisting coating material for solar cell backboard, comprises the following steps：
By the polyimides in above-mentioned raw materials, fluororesin, acrylic resin, butyl acetate, gas phase titanium dioxide, hydroxy propyl cellulose
Element, acetylation ATBC, composite flame-proof additive, ferric ferrocyanide and hexachlorocyclotriph,sphazene are sufficiently mixed at 80 DEG C
Uniformly, after water removal is dried, bonding coupling agent is added at 150 DEG C and is sufficiently mixed uniformly, is mixed material；It is equal by what is obtained
Mixed material after extruding pelletization, is made film according to industry conventional method using inflation film manufacturing machine and obtained through double screw extruder at 240 DEG C
To the coating material of the present invention.
Embodiment 3：A kind of fire-resisting coating material for solar cell backboard, its by following parts by weight raw material group
Into：100 parts of polyimides, fluororesin 40 part, 50 parts of acrylic resin, 60 parts of butyl acetate, 10 parts of gas phase titanium dioxide, hydroxypropyl
10 parts of base cellulose, 15 parts of acetylation ATBC, 10 parts of composite flame-proof additive, 60 parts of ferric ferrocyanide, chlordene ring
90 parts three 50 parts of phosphonitriles, bonding of coupling agent.
Further, described fluororesin is FEVE fluororesin；Described composite flame-proof additive be ammonium polyphosphate and
The mass parts ratio of the compound of fluoro phosphonitrile compound, ammonium polyphosphate and fluoro phosphonitrile compound is 1:6, fluoro phosphonitrile chemical combination
Thing chemical formula is N3P3F5OH2CH3；Described bonding coupling agent is vinyl three ('beta '-methoxy ethyoxyl) silane.
A kind of preparation method of described fire-resisting coating material for solar cell backboard, comprises the following steps：
By the polyimides in above-mentioned raw materials, fluororesin, acrylic resin, butyl acetate, gas phase titanium dioxide, hydroxy propyl cellulose
Element, acetylation ATBC, composite flame-proof additive, ferric ferrocyanide and hexachlorocyclotriph,sphazene are fully mixed at 120 DEG C
Close uniformly, after water removal is dried, bonding coupling agent is added at 190 DEG C and is sufficiently mixed uniformly, is mixed material；By what is obtained
Mixed material after extruding pelletization, is made film using inflation film manufacturing machine and obtains the coating of the present invention through double screw extruder at 270 DEG C
Material.
Embodiment 4：A kind of fire-resisting coating material for solar cell backboard, its by following parts by weight raw material group
Into：50 parts of polyimides, fluororesin 40 part, 20 parts of acrylic resin, 60 parts of butyl acetate, 5 parts of gas phase titanium dioxide, hydroxypropyl
10 parts of cellulose, 3 parts of acetylation ATBC, 10 parts of composite flame-proof additive, 30 parts of ferric ferrocyanide, the phosphorus of chlordene ring three
60 parts 50 parts of nitrile, bonding of coupling agent.
Further, described fluororesin is FEVE fluororesin；Described composite flame-proof additive be ammonium polyphosphate and
The mass parts ratio of the compound of fluoro phosphonitrile compound, ammonium polyphosphate and fluoro phosphonitrile compound is 1:3, fluoro phosphonitrile chemical combination
Thing chemical formula is N3P3F5OH2CH3；Described bonding coupling agent is vinyl three ('beta '-methoxy ethyoxyl) silane.
A kind of preparation method of described fire-resisting coating material for solar cell backboard, comprises the following steps：
By the polyimides in above-mentioned raw materials, fluororesin, acrylic resin, butyl acetate, gas phase titanium dioxide, hydroxy propyl cellulose
Element, acetylation ATBC, composite flame-proof additive, ferric ferrocyanide and hexachlorocyclotriph,sphazene are sufficiently mixed at 90 DEG C
Uniformly, after water removal is dried, bonding coupling agent is added at 180 DEG C and is sufficiently mixed uniformly, is mixed material；It is equal by what is obtained
Mixed material after extruding pelletization, is made film using inflation film manufacturing machine and obtains the coating material of the present invention through double screw extruder at 250 DEG C
Material.
Embodiment 5：A kind of fire-resisting coating material for solar cell backboard, its by following parts by weight raw material group
Into：90 parts of polyimides, 20 parts of fluororesin, 30 parts of acrylic resin, 50 parts of butyl acetate, 6 parts of gas phase titanium dioxide, hydroxypropyl
8 parts of cellulose, 5 parts of acetylation ATBC, 8 parts of composite flame-proof additive, 50 parts of ferric ferrocyanide, hexachlorocyclotriph,sphazene
70 parts 30 parts, bonding of coupling agent.
Further, described fluororesin is FEVE fluororesin；Described composite flame-proof additive be ammonium polyphosphate and
The mass parts ratio of the compound of fluoro phosphonitrile compound, ammonium polyphosphate and fluoro phosphonitrile compound is 1:5, fluoro phosphonitrile chemical combination
Thing chemical formula is N3P3F5OH2CH3；Described bonding coupling agent is vinyl three ('beta '-methoxy ethyoxyl) silane.
A kind of preparation method of described fire-resisting coating material for solar cell backboard, its specific steps is the same as implementation
Example 1.
Comparative example 1：A kind of fire-resisting coating material for solar cell backboard, its by following parts by weight raw material group
Into：75 parts of polyimides, 25 parts of fluororesin, 35 parts of acrylic resin, 45 parts of butyl acetate, 8 parts of gas phase titanium dioxide, hydroxypropyl
6 parts of cellulose, 10 parts of acetylation ATBC, 6 parts of alkylphosphonate based flame retardant, 45 parts of ferric ferrocyanide, chlordene ring
75 parts three 35 parts of phosphonitriles, bonding of coupling agent.
Further, described fluororesin is FEVE fluororesin；Described alkylphosphonate based flame retardant is tricresyl phosphate fourth
Ester；Described bonding coupling agent is vinyl three ('beta '-methoxy ethyoxyl) silane.
A kind of preparation method of described fire-resisting coating material for solar cell backboard, comprises the following steps：
By the polyimides in above-mentioned raw materials, fluororesin, acrylic resin, butyl acetate, gas phase titanium dioxide, hydroxy propyl cellulose
Element, acetylation ATBC, alkylphosphonate based flame retardant, ferric ferrocyanide and hexachlorocyclotriph,sphazene fill at 100 DEG C
It is point well mixed, after water removal is dried, bonding coupling agent is added at 170 DEG C and is sufficiently mixed uniformly, is mixed material；Will
The mixed material arrived after extruding pelletization, is made film using inflation film manufacturing machine and obtains the present invention's through double screw extruder at 255 DEG C
Coating material.
Comparative example 2：A kind of fire-resisting coating material for solar cell backboard, its by following parts by weight raw material group
Into：75 parts of polyimides, 25 parts of fluororesin, 35 parts of acrylic resin, 45 parts of butyl acetate, 8 parts of gas phase titanium dioxide, hydroxypropyl
6 parts of cellulose, 10 parts of acetylation ATBC, 30 parts of alkylphosphonate based flame retardant, 45 parts of ferric ferrocyanide, chlordene ring
75 parts three 35 parts of phosphonitriles, bonding of coupling agent.
Further, described fluororesin is FEVE fluororesin；Described alkylphosphonate based flame retardant is tricresyl phosphate fourth
Ester；Described bonding coupling agent is vinyl three ('beta '-methoxy ethyoxyl) silane.
A kind of preparation method of described fire-resisting coating material for solar cell backboard, its specific steps is the same as contrast
Example 1.
Embodiment 1-5 and comparative example 1-2 coating material are coated on the base material of solar cell backboard, carry out performance
Test, test result are as shown in the table.
| Flame retardant rating | Impact strength（It is positive and negative）cm | Yellowness index (UV irradiates 1000h) | |
| Testing standard | ANSI/UL94-1990 | HG/T-3792-2005 | ASTM E313-05 |
| Embodiment 1 | VTM-0 | 86 | 2.2 |
| Embodiment 2 | VTM-0 | 82 | 2.4 |
| Embodiment 3 | VTM-0 | 75 | 2.6 |
| Embodiment 4 | VTM-0 | 79 | 2.4 |
| Embodiment 5 | VTM-0 | 85 | 2.1 |
| Comparative example 1 | VTM-2 | 73 | 3.5 |
| Comparative example 2 | VTM-1 | 49 | 5.2 |
The present invention obtains a kind of flame retardant effect, mechanical performance and comprehensive usability by using composite flame-proof additive
The excellent fire-resisting coating material for solar cell backboard of energy.
It should be pointed out that the preferred embodiment of the present invention is the foregoing is only, for the ordinary skill people of the art
For member, some improvements and modifications for being made under the premise without departing from the principles of the invention, it also will be regarded as the present invention and covered
Protection domain.
Claims (7)
1. a kind of fire-resisting coating material for solar cell backboard, it is characterised in that by the raw material group of following parts by weight
Into：50 ~ 100 parts of polyimides, 10 ~ 40 parts of fluororesin, 20 ~ 50 parts of acrylic resin, 30 ~ 60 parts of butyl acetate, gas phase dioxy
Change 5 ~ 10 parts of titanium, 2 ~ 10 parts of hydroxypropyl cellulose, 3 ~ 15 parts of acetylation ATBC, 2 ~ 10 parts of composite flame-proof additive,
60 ~ 90 parts 30 ~ 60 parts of ferric ferrocyanide, 20 ~ 50 parts of hexachlorocyclotriph,sphazene, bonding of coupling agent.
A kind of 2. fire-resisting coating material for solar cell backboard according to claim 1, it is characterised in that by with
The raw material composition of lower parts by weight：75 parts of polyimides, 25 parts of fluororesin, 35 parts of acrylic resin, 45 parts of butyl acetate, gas phase
8 parts of titanium dioxide, 6 parts of hydroxypropyl cellulose, 10 parts of acetylation ATBC, 6 parts of composite flame-proof additive, ferrocyanide
75 parts 45 parts of iron, 35 parts of hexachlorocyclotriph,sphazene, bonding of coupling agent.
A kind of 3. fire-resisting coating material for solar cell backboard according to claim 1 or 2, it is characterised in that：
Described fluororesin is FEVE fluororesin.
A kind of 4. fire-resisting coating material for solar cell backboard according to claim 1 or 2, it is characterised in that：
Described composite flame-proof additive is the compound of ammonium polyphosphate and fluoro phosphonitrile compound, ammonium polyphosphate and fluoro phosphonitrile
The mass parts ratio of compound is 1:2 ~ 6, fluoro phosphonitrile compound chemical formula is N3P3F5OH2CH3。
A kind of 5. fire-resisting coating material for solar cell backboard according to claim 1 or 2, it is characterised in that：
Described bonding coupling agent is vinyl three ('beta '-methoxy ethyoxyl) silane.
6. a kind of preparation method of fire-resisting coating material for solar cell backboard described in claim 1 or 2, its feature
It is, comprises the following steps：
By the polyimides in above-mentioned raw materials, fluororesin, acrylic resin, butyl acetate, gas phase titanium dioxide, hydroxy propyl cellulose
Element, acetylation ATBC, composite flame-proof additive, ferric ferrocyanide and hexachlorocyclotriph,sphazene are abundant at 80 ~ 120 DEG C
It is well mixed, after water removal is dried, bonding coupling agent is added at 150 ~ 190 DEG C and is sufficiently mixed uniformly, is mixed material；Will
After the obtained extruded granulation of mixed material, film is made using inflation film manufacturing machine and obtains the coating material of the present invention.
7. a kind of preparation method of fire-resisting coating material for solar cell backboard according to claim 6, it is special
Sign is, comprises the following steps：By the polyimides in above-mentioned raw materials, fluororesin, acrylic resin, butyl acetate, gas phase two
Titanium oxide, hydroxypropyl cellulose, acetylation ATBC, composite flame-proof additive, ferric ferrocyanide and the phosphorus of chlordene ring three
Nitrile is sufficiently mixed uniformly at 100 DEG C, after water removal is dried, bonding coupling agent is added at 170 DEG C and is sufficiently mixed uniformly, is obtained
Mixed material；Obtained mixed material after extruding pelletization, is made at 240 ~ 270 DEG C through double screw extruder of inflation film manufacturing machine
Film obtains the coating material of the present invention.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111732910A (en) * | 2020-06-30 | 2020-10-02 | 晶科绿能(上海)管理有限公司 | Composite encapsulating material and photovoltaic module encapsulated therewith |
| CN116410542A (en) * | 2023-03-16 | 2023-07-11 | 广东亨嘉橡塑科技有限公司 | Modified polypropylene material for new energy automobile battery shell and preparation method thereof |
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