CN104327432B - Acrylic acid coatings for solar cell backboard and preparation method thereof - Google Patents
Acrylic acid coatings for solar cell backboard and preparation method thereof Download PDFInfo
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- CN104327432B CN104327432B CN201410576506.7A CN201410576506A CN104327432B CN 104327432 B CN104327432 B CN 104327432B CN 201410576506 A CN201410576506 A CN 201410576506A CN 104327432 B CN104327432 B CN 104327432B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses a kind of acrylic acid coatings for solar cell backboard and preparation method thereof, this includes the component based on following weight portion by the acrylic acid coatings of solar cell backboard: BTA 10～80 parts, acrylic acid 20～60 parts, benzyl triphenyl phosphonium chloride phosphine 40～80 parts, ferrocyanic acid salt 70～100 parts, silane coupler 100～120 parts, phosphite ester 40～100 parts, stearate 20～90 parts.Preparation method: by BTA, acrylic acid, benzyl triphenyl phosphonium chloride phosphine, ferrocyanic acid salt, phosphite ester, stearate mix homogeneously, is dried, is heated to 200～600 DEG C, adds silane coupler, mix homogeneously；Extruding pelletization, utilizes inflation film manufacturing machine to make thin film.BTA in the present invention significantly reduces the yellowness index of backboard, and makes it be difficult to delamination under wet heat condition and turn yellow, and improves wet and heat ageing resistant ability, increases the service life.
Description
Technical field
The present invention relates to solar cell backboard field, particularly relate to a kind of acrylic acid coatings for solar cell backboard and
Preparation method.
Background technology
Solar energy backboard is positioned at the back side of solar panel, cell piece is risen protection and supporting role, have reliable insulating properties,
Water preventing ability, resistance to ag(e)ing.Typically having three-decker, outer protective layer has good environment resistant erosiveness.
Application No. 2012101442109, the Chinese patent application of entitled " a kind of wear-resisting application type solar cell backboard " is open
A kind of wear-resisting application type solar cell backboard, including bottom, two fluoropolymer resin layers and polymeric layer.Two fluoropolymer resin layer positions
Filler and the epoxy resin with reflectance is included on bottom.Polymeric layer is between two fluoropolymer resin layers.Use this
Bright wear-resisting application type solar cell backboard has high reflectance and wearability, and can be cost-effective.Although having high anti-
Penetrating rate, can slow down crystallization to a certain extent aging, but effect is undesirable, ultraviolet irradiation can improve intramolecular
Degree of crystallinity, thus accelerated ageing.
Application No. 2009100478900, the Chinese patent application of entitled " a kind of solar cell backboard " discloses a kind of sun
Can battery back-sheet, comprise: the basic unit of impermeability sheet material, the membranaceous protective layer being formed at least one side of described basic unit, should
Protective layer comprises the fluorine-containing coat formed by fluorocarbon polymer coating.Described protective layer also comprises and is coated in described fluorine-containing coat
Tack coat surface on facing with described basic unit, this tack coat is formed by the solidification of bi-component high temperature setting glue system, comprise containing
The resin matrix of curable functional group and firming agent.Tack coat is set up in order to strengthen basic unit and protection between basic unit and fluorine-containing coat
Being firmly bonded degree between Ceng, so protective layer is not easily stripped in encapsulation and when using, and bonds the most reliable.Meanwhile, containing
Fluorine coating is no need for copolymerization other monomers in a large number containing curable functional group, thus ensures the using effect of protective layer.Fluorine-containing painting
Although the ageing-resistant ability of layer is preferable, but prepares expensive starting materials, production cost is high.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, it is provided that a kind of acrylic acid coatings for solar cell backboard and preparation method thereof,
Preferable for the acrylic acid coatings ageing-resistant performance of solar cell backboard.
The present invention is by the following technical solutions:
For the acrylic acid coatings of solar cell backboard, including the component of following weight portion meter: BTA 10～80 parts,
Acrylic acid 20～60 parts, benzyl triphenyl phosphonium chloride phosphine 40～80 parts, ferrocyanic acid salt 70～100 parts, silane coupler 100～
120 parts, phosphite ester 40～100 parts, stearate 20～90 parts.
As to further improvement of the present invention, including the component of following weight portion meter: BTA 50 parts, acrylic acid 40
Part, benzyl triphenyl phosphonium chloride phosphine 60 parts, ferrocyanic acid salt 90 parts, silane coupler 110 parts, phosphite ester 60 parts, tristearin
Hydrochlorate 50 parts.
As to further improvement of the present invention, silane coupler is vinyl silanes, amino silane, methacryloxy silicon
The mixture of one or more in alkane.
As to further improvement of the present invention, ferrocyanic acid salt is sodium ferrocyanide, potassium ferrocyanide, ferric ferrocyanide, Asia
The mixture of one or more in ferrum copper cyanider.
As to further improvement of the present invention, phosphite ester is phosphorous acid hexichol one ester in the last of the ten Heavenly stems or phosphorous acid one benzene didecyl.
As to further improvement of the present invention, stearate is the one in zinc stearate, magnesium stearate or calcium stearate.
The preparation method of the above-mentioned acrylic acid coatings for solar cell backboard, comprises the following steps:
(1) by BTA, acrylic acid, benzyl triphenyl phosphonium chloride phosphine, ferrocyanic acid salt, phosphite ester, stearate mixing all
Even, it is dried, is heated to 200～600 DEG C, add silane coupler, mix homogeneously；
(2) extruding pelletization, utilizes inflation film manufacturing machine to make thin film.
As to further improvement of the present invention, step (1) is heated to 400 DEG C.
As to further improvement of the present invention, step (2) extruding pelletization uses double screw extruder.
As to further improvement of the present invention, step (2) extrusion temperature is 260～300 DEG C.
Principle: the addition of BTA can reduce acrylic acid degree of crystallinity, prevents crystallization, improves ageing-resistant ability.
Beneficial effect
The yellowness index Δ b=2.3～2.7 of the present invention, is because BTA and significantly reduces the yellowness index of backboard, and
Make it be difficult to delamination under wet heat condition to turn yellow, improve wet and heat ageing resistant ability, increase the service life.
Detailed description of the invention
Below by specific embodiment, the present invention is further described in detail, but is not limited to this.
Embodiment 1
For the acrylic acid coatings of solar cell backboard, including the component of following weight portion meter: BTA 50 parts, acrylic acid
40 parts, benzyl triphenyl phosphonium chloride phosphine 60 parts, ferrocyanic acid salt 90 parts, silane coupler 110 parts, phosphite ester 60 parts,
Stearate 50 parts.
Silane coupler is amino silane.
Ferrocyanic acid salt be mass ratio be the sodium ferrocyanide of 1:1:2, potassium ferrocyanide, ferric ferrocyanide.
Phosphite ester is phosphorous acid hexichol one ester in the last of the ten Heavenly stems.
Stearate is zinc stearate.
The preparation method of the above-mentioned acrylic acid coatings for solar cell backboard, comprises the following steps:
(1) by BTA, acrylic acid, benzyl triphenyl phosphonium chloride phosphine, ferrocyanic acid salt, phosphite ester, stearate mixing all
Even, it is dried, is heated to 400 DEG C, add silane coupler, mix homogeneously；
(2) extruding pelletization, utilizes inflation film manufacturing machine to make thin film.
Step (2) extruding pelletization uses double screw extruder.
Step (2) extrusion temperature is 280 DEG C.
Embodiment 2
For the acrylic acid coatings of solar cell backboard, including the component of following weight portion meter: BTA 10 parts, propylene
Acid 20 parts, benzyl triphenyl phosphonium chloride phosphine 40 parts, ferrocyanic acid salt 70 parts, silane coupler 100 parts, phosphite ester 40 parts,
Stearate 20 parts.
Silane coupler is vinyl silanes.
Ferrocyanic acid salt is copper ferrocyanide.
Phosphite ester is phosphorous acid one benzene didecyl.
Stearate is zinc stearate.
The preparation method of the above-mentioned acrylic acid coatings for solar cell backboard, comprises the following steps:
(1) by BTA, acrylic acid, benzyl triphenyl phosphonium chloride phosphine, ferrocyanic acid salt, phosphite ester, stearate mixing all
Even, it is dried, is heated to 200 DEG C, add silane coupler, mix homogeneously；
(2) extruding pelletization, utilizes inflation film manufacturing machine to make thin film.
Step (2) extruding pelletization uses double screw extruder.
Step (2) extrusion temperature is 260 DEG C.
Embodiment 3
For the acrylic acid coatings of solar cell backboard, including the component of following weight portion meter: BTA 80 parts, propylene
Acid 60 parts, benzyl triphenyl phosphonium chloride phosphine 80 parts, ferrocyanic acid salt 100 parts, silane coupler 100 parts, phosphite ester 40 parts,
Stearate 20 parts.
Silane coupler be mass ratio be the vinyl silanes of 1:2, amino silane.
Ferrocyanic acid salt be mass ratio be the sodium ferrocyanide of 1:2, ferric ferrocyanide.
Phosphite ester is phosphorous acid one benzene didecyl.
Stearate is calcium stearate.
The preparation method of the above-mentioned acrylic acid coatings for solar cell backboard, comprises the following steps:
(1) by BTA, acrylic acid, benzyl triphenyl phosphonium chloride phosphine, ferrocyanic acid salt, phosphite ester, stearate mixing all
Even, it is dried, is heated to 600 DEG C, add silane coupler, mix homogeneously；
(2) extruding pelletization, utilizes inflation film manufacturing machine to make thin film.
Step (2) extruding pelletization uses double screw extruder.
Step (2) extrusion temperature is 300 DEG C.
Embodiment 4
For the acrylic acid coatings of solar cell backboard, including the component of following weight portion meter: BTA 20 parts, propylene
Acid 30 parts, benzyl triphenyl phosphonium chloride phosphine 50 parts, ferrocyanic acid salt 80 parts, silane coupler 105 parts, phosphite ester 50 parts,
Stearate 30 parts.
Silane coupler be mass ratio be the amino silane of 1:1, methacryloxypropyl silane.
Ferrocyanic acid salt be mass ratio be the potassium ferrocyanide of 1:1:1, ferric ferrocyanide, copper ferrocyanide.
Phosphite ester is phosphorous acid one benzene didecyl.
Stearate is magnesium stearate.
The preparation method of the above-mentioned acrylic acid coatings for solar cell backboard, comprises the following steps:
(1) by BTA, acrylic acid, benzyl triphenyl phosphonium chloride phosphine, ferrocyanic acid salt, phosphite ester, stearate mixing all
Even, it is dried, is heated to 300 DEG C, add silane coupler, mix homogeneously；
(2) extruding pelletization, utilizes inflation film manufacturing machine to make thin film.
Step (2) extruding pelletization uses double screw extruder.
Step (2) extrusion temperature is 270 DEG C.
Embodiment 5
For the acrylic acid coatings of solar cell backboard, including the component of following weight portion meter: BTA 70 parts, propylene
Acid 50 parts, benzyl triphenyl phosphonium chloride phosphine 70 parts, ferrocyanic acid salt 90 parts, silane coupler 115 parts, phosphite ester 90 parts,
Stearate 80 parts.
Silane coupler is vinyl silanes.
Ferrocyanic acid salt is sodium ferrocyanide.
Phosphite ester is phosphorous acid hexichol one ester in the last of the ten Heavenly stems.
Stearate is zinc stearate.
The preparation method of the above-mentioned acrylic acid coatings for solar cell backboard, comprises the following steps:
(1) by BTA, acrylic acid, benzyl triphenyl phosphonium chloride phosphine, ferrocyanic acid salt, phosphite ester, stearate mixing all
Even, it is dried, is heated to 500 DEG C, add silane coupler, mix homogeneously；
(2) extruding pelletization, utilizes inflation film manufacturing machine to make thin film.
Step (2) extruding pelletization uses double screw extruder.
Step (2) extrusion temperature is 290 DEG C.
Comparative example 1
Same as in Example 1, difference is: without BTA in composition.
Performance test
The coating of embodiment and comparative example is coated on the base material of solar cell backboard, carries out performance test, the results are shown in Table 1.
Yellowness index Δ b: unit: nothing.Examination criteria: ASTM E313-05 (UV irradiates 1000h).
Wet and heat ageing resistant: experimental condition is temperature 85 DEG C, RH85%, time 2000h.Observe delamination, flavescence situation.
Table 1
| Yellowness index | Wet and heat ageing resistant | |
| Comparative example 1 | 5.3 | Delamination, turns yellow |
| Embodiment 1 | 2.3 | Without delamination, without turning yellow |
| Embodiment 2 | 2.5 | Without delamination, without turning yellow |
| Embodiment 3 | 2.8 | Without delamination, without turning yellow |
| Embodiment 4 | 2.6 | Without delamination, without turning yellow |
| Embodiment 5 | 2.7 | Without delamination, without turning yellow |
Conclusion: the yellowness index Δ b=5.3 of comparative example 1, under wet heat condition, easy delamination turns yellow.The yellowness index Δ of embodiment
B=2.3～2.7.The BTA of the present invention significantly reduces the yellowness index of backboard, and makes it be difficult under wet heat condition
Delamination turns yellow, and improves wet and heat ageing resistant ability, increases the service life.
Claims (8)
1. for the acrylic acid coatings of solar cell backboard, it is characterized in that, including the component of following weight portion meter: BTA 50 parts, 40 parts of acrylic acid, benzyl triphenyl phosphonium chloride phosphine 60 parts, ferrocyanic acid salt 90 parts, silane coupler 110 parts, phosphite ester 60 parts, stearate 50 parts；Its preparation method comprises the following steps,
(1) by BTA, acrylic acid, benzyl triphenyl phosphonium chloride phosphine, ferrocyanic acid salt, phosphite ester, stearate mix homogeneously, it is dried, is heated to 200～600 DEG C, add silane coupler, mix homogeneously；(2) extruding pelletization, utilizes inflation film manufacturing machine to make thin film.
Acrylic acid coatings for solar cell backboard the most according to claim 1, it is characterised in that silane coupler is the mixture of one or more in vinyl silanes, amino silane, methacryloxypropyl silane.
Acrylic acid coatings for solar cell backboard the most according to claim 1, it is characterised in that ferrocyanic acid salt is the mixture of one or more in sodium ferrocyanide, potassium ferrocyanide, ferric ferrocyanide, copper ferrocyanide.
Acrylic acid coatings for solar cell backboard the most according to claim 1, it is characterised in that phosphite ester is phosphorous acid hexichol one ester in the last of the ten Heavenly stems or phosphorous acid one benzene didecyl.
Acrylic acid coatings for solar cell backboard the most according to claim 1, it is characterised in that stearate is the one in zinc stearate, magnesium stearate or calcium stearate.
Acrylic acid coatings for solar cell backboard the most according to claim 1, it is characterised in that step (1) is heated to 400 DEG C.
Acrylic acid coatings for solar cell backboard the most according to claim 1, it is characterised in that step (2) extruding pelletization uses double screw extruder.
Acrylic acid coatings for solar cell backboard the most according to claim 1, it is characterised in that step (2) extrusion temperature is 260～300 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410576506.7A CN104327432B (en) | 2014-10-24 | 2014-10-24 | Acrylic acid coatings for solar cell backboard and preparation method thereof |
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|---|---|---|---|
| CN201410576506.7A CN104327432B (en) | 2014-10-24 | 2014-10-24 | Acrylic acid coatings for solar cell backboard and preparation method thereof |
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| CN104327432A CN104327432A (en) | 2015-02-04 |
| CN104327432B true CN104327432B (en) | 2016-08-17 |
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| CN107325622A (en) * | 2017-05-15 | 2017-11-07 | 江苏东昇光伏科技有限公司 | A kind of solar cell backboard special-purpose coat and preparation method thereof |
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| JP2009079156A (en) * | 2007-09-26 | 2009-04-16 | Nippon Shokubai Co Ltd | Uv absorbing polymer composition |
| EP2455978A4 (en) * | 2009-07-15 | 2014-05-21 | Nhk Spring Co Ltd | Backside protective sheet for solar cells and process for production of same |
| CN101645465A (en) * | 2009-08-31 | 2010-02-10 | 苏州福斯特光伏材料有限公司 | Solar cell module back veneer material |
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Effective date of registration: 20171113 Address after: 225603 Dongting Lake Road, Gaoyou Economic Development Zone, Yangzhou, Jiangsu Patentee after: Jiangsu post technology industry Cci Capital Ltd Address before: A 530 building 214142 Jiangsu New District of Wuxi City Branch Park University Science Park Qingyuan Road Room 312 Patentee before: Wuxi Zhongjie Energy Technology Co., Ltd. |
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Effective date of registration: 20190417 Address after: 225600 Lingbo Road, Gaoyou Economic Development Zone, Yangzhou City, Jiangsu Province Patentee after: Jiangsu Jinzhi solar power Polytron Technologies Inc Address before: 225603 Dongting Lake Road, Gaoyou Economic Development Zone, Yangzhou, Jiangsu Patentee before: Jiangsu post technology industry Cci Capital Ltd |
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