CN103044826A - PVB (polyvinyl butyral) membrane used for solar photovoltaic module and preparation method thereof - Google Patents
PVB (polyvinyl butyral) membrane used for solar photovoltaic module and preparation method thereof Download PDFInfo
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Abstract
The embodiment of the invention provides a PVB (polyvinyl butyral) membrane used for a solar photovoltaic module. The PVB membrane comprises the following components in parts by weight: 100 parts of polyvinyl butyral resin, 30-40 parts of plasticizer, 0-2 parts of antioxidant, 0-2 parts of ultraviolet ray absorber and 0.1-5 parts of weather-proof auxiliary, wherein the weather-proof auxiliary is nano silicon dioxide or nano titanium dioxide. The embodiment of the invention also provides a preparation method of the PVB membrane used for the solar photovoltaic module. The PVB membrane provided by the embodiment of the invention has good bonding strength with glass, good weather ability and good insulativity, and the solar photovoltaic module made from the PVB membrane causes no flawless or degumming phenomenon in appearance and is high light transmittance after being stored in a hot and humid environment for a long time.
Description
Technical field
The present invention relates to a kind of pvb film for solar photovoltaic assembly and preparation method thereof.
Background technology
Polyvinyl butyral acetal (PVB) diaphragm is the specialty products for the manufacture of shatter proof glass, splinter-proof glass.Shatter proof glass is to sandwich one deck to have unique adhesiveproperties between two-layer simple glass, good low-temperature impact resistance, good flexibility, good light transmission and fast light, weather-proof, sound insulation, every the performances such as ultraviolet ray all good polyvinyl butyral acetal (PVB) diaphragm and the special glass made, when being subject to extraneous intense impact, pvb film can apparatus with shock absorbing, make this glass that fragmentation not occur and produce fragment and hurt sb.'s feelings, and the shatter proof glass that adds the polyvinyl butyral film sheet has the transparency height, water-fast, ageing-resistant characteristic, and can in-60 ℃ environment, use, can replace in addition synthetic glass to make the products such as transparent material, MULTILAYER COMPOSITE namely can be made into military splinter-proof glass.
In recent years, along with the development of national economy, photovoltaic industry develops rapidly with unprecedented speed under the promotion of national Larger Engineering Projects, popularization plan and international cooperative project.At present, China has become the in the world sun power consumer's goods producing country of output maximum.Because the physical and chemical performance of PVB uniqueness, PVB become the optimal selection of making laminated glass, and begin to be applied on the photovoltaic module as packaged material.The performances such as EVA compares with conventional photovoltaic component package material, and it is longer that pvb film has inventory time, repeats lamination without crosslinked generation, and weathering resistance is better.And compare with common pvb film, be applied to the pvb film on the solar photovoltaic assembly, better transmittance, better weathering resistance and excellent insulativity need to be arranged.
Summary of the invention
The invention provides a kind of pvb film for solar photovoltaic assembly and preparation method thereof, the pvb film that it provides and the bonding force of glass are good, good weatherability, good insulating, solar photovoltaic assembly long storage time with its making is apparent indefectible behind hot and humid environment, without degumming phenomenon, transmittance is high.
The embodiment of the invention provides a kind of pvb film for solar photovoltaic assembly, wherein each component according to the weight part proportioning is: polyvinyl butyral resin 100 weight parts, softening agent 30-40 weight part, oxidation inhibitor 0-2 weight part, uv-absorbing agent 0-2 weight part, weather-proof auxiliary agent 0.1-5 weight part, described weather-proof auxiliary agent is nano silicon or nano titanium oxide.
Aforesaid pvb film for solar photovoltaic assembly, described softening agent are DHA (dihexyl adipate), 3GO (triglycol two 2-ethylhexoates), 4GO (benzimidazolone yellow), 5G8 (the special-shaped polyhydric aliphatic acid of dibasic alcohol complex ester), DOS (dioctyl sebacate), DOP (dioctyl phthalate (DOP)) or DBS (Uniflex DBS).
Aforesaid pvb film for solar photovoltaic assembly, described oxidation inhibitor is β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester, four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester, N, N-hexylidene-1, [3-(3 for 6-two, 5-di-t-butyl-4-hydroxyphenyl) propionic acid amide], two (oxyethylene group) two [3-(a 5-tertiary butyl-4-hydroxy-base) propionic esters] of ethene or four (3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester.
Aforesaid pvb film for solar photovoltaic assembly, described uv-absorbing agent is Octabenzone, 2-(2 '-hydroxyl-3 ', 5 '-two uncle's phenyl)-5-chlorination benzotriazole, 2-(2-hydroxyl-3-tertiary butyl-5-aminomethyl phenyl)-5-chlorobenzotriazole, 2-(2H-benzotriazole-2-yl)-4,6-di-tert-pentyl phenol, ESCALOL 567 or 2-(2H-benzotriazole-2-yl)-4,6-two (1-methyl isophthalic acid-phenylethyl) phenol.
Aforesaid pvb film for solar photovoltaic assembly, the particle size range of described weather-proof auxiliary agent are 1-100nm.
The embodiment of the invention also provides a kind of preparation method of the pvb film for solar photovoltaic assembly, it is characterized in that: with polyvinyl butyral resin and softening agent, oxidation inhibitor, uv-absorbing agent and weather-proof auxiliary agent are by 100: 30-40: 0-2: 0-2: after 0.1-5 weight part proportioning is evenly mixed, by forcing machine with diaphragm under the extrusion temperature 140-170 of appointment ℃ condition, thickness 0.2-3mm according to appointment extrudes, through overcooling, curtain coating, after the drying, cut, rolling can obtain described pvb film for solar photovoltaic assembly, and described weather-proof auxiliary agent is nano silicon or nano titanium oxide.
The preparation method of aforesaid pvb film for solar photovoltaic assembly, described softening agent is DHA (dihexyl adipate), 3GO (triglycol two 2-ethylhexoates), 4GO (benzimidazolone yellow), 5G8 (the special-shaped polyhydric aliphatic acid of dibasic alcohol complex ester), DOS (dioctyl sebacate), DOP (dioctyl phthalate (DOP)) or DBS (Uniflex DBS).
The preparation method of aforesaid pvb film for solar photovoltaic assembly, described oxidation inhibitor is β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester, four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester, N, N-hexylidene-1, [3-(3 for 6-two, 5-di-t-butyl-4-hydroxyphenyl) propionic acid amide], two (oxyethylene group) two [3-(a 5-tertiary butyl-4-hydroxy-base) propionic esters] of ethene or four (3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester.
The preparation method of aforesaid pvb film for solar photovoltaic assembly, described uv-absorbing agent is Octabenzone, 2-(2 '-hydroxyl-3 ', 5 '-two uncle's phenyl)-5-chlorination benzotriazole, 2-(2-hydroxyl-3-tertiary butyl-5-aminomethyl phenyl)-5-chlorobenzotriazole, 2-(2H-benzotriazole-2-yl)-4,6-di-tert-pentyl phenol, ESCALOL 567 or 2-(2H-benzotriazole-2-yl)-4,6-two (1-methyl isophthalic acid-phenylethyl) phenol.
The preparation method of aforesaid pvb film for solar photovoltaic assembly, the particle size range of described weather-proof auxiliary agent is 1-100nm.
Pvb film provided by the invention has following features:
1) production rate is fast, efficient is high, and production rate can reach 5-35m/min;
2) bonding force with glass is good, bonding force 〉=30N/cm;
3) good weatherability, (damp and hot experiment---temperature: 85 ℃, humidity: 85%, time: 1000h) apparent indefectible, without degumming phenomenon, transmittance is high behind hot and humid environment with the solar photovoltaic assembly long storage time of its making;
4) good insulating, before the damp and hot experiment 〉=40M Ω m2, after the damp and hot experiment 〉=28M Ω m2.
Embodiment
The invention will be further described below by specific embodiment, but the present invention is not limited in these embodiment.
Embodiment 1
With the polyvinyl butyral resin powder of 100 weight parts and the DHA of 35 weight parts, 0.2 the β of weight part-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester, 0.4 2-(the 2 '-hydroxyl-3 ' of weight part, 5 '-two uncle's phenyl)-5-chlorination benzotriazole, after the nano silicon of 1 weight part (particle diameter is 50nm) evenly mixes in high-speed mixer, by forcing machine with diaphragm under 140 ℃ temperature, thickness according to 0.38mm is extruded, through overcooling, curtain coating, after the drying, cut, the solar photovoltaic assembly that rolling can obtain mentioning among the present invention polyvinyl butyral film sheet.
Embodiment 2
With the polyvinyl butyral resin powder of 100 weight parts and the 4GO of 35 weight parts, 0.2 the β of weight part-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester, 0.4 2-(the 2 '-hydroxyl-3 ' of weight part, 5 '-two uncle's phenyl)-5-chlorination benzotriazole, after the nano silicon of 1 weight part (particle diameter is 50nm) evenly mixes in high-speed mixer, by forcing machine with diaphragm under 160 ℃ temperature, thickness according to 0.76mm is extruded, through overcooling, curtain coating, after the drying, cut, the solar photovoltaic assembly that rolling can obtain mentioning among the present invention polyvinyl butyral film sheet.
Embodiment 3
With the polyvinyl butyral resin powder of 100 weight parts and the 3GO of 38 weight parts, 0.2 the β of weight part-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester, 0.4 2-(the 2 '-hydroxyl-3 ' of weight part, 5 '-two uncle's phenyl)-5-chlorination benzotriazole, after 1.5 the nano silicon of weight part (particle diameter is 50nm) evenly mixes in high-speed mixer, by forcing machine with diaphragm under 160 ℃ temperature, thickness according to 0.76mm is extruded, through overcooling, curtain coating, after the drying, cut, the solar photovoltaic assembly that rolling can obtain mentioning among the present invention polyvinyl butyral film sheet.
Embodiment 4
With the polyvinyl butyral resin powder of 100 weight parts and the 3GO of 38 weight parts, 0.2 the β of weight part-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester, 0.4 2-(the 2 '-hydroxyl-3 ' of weight part, 5 '-two uncle's phenyl)-5-chlorination benzotriazole, after the nano silicon of 1 weight part (particle diameter is 50nm) evenly mixes in high-speed mixer, by forcing machine with diaphragm under 150 ℃ temperature, thickness according to 1.14mm is extruded, through overcooling, curtain coating, after the drying, cut, the solar photovoltaic assembly that rolling can obtain mentioning among the present invention polyvinyl butyral film sheet.
Embodiment 5
With the polyvinyl butyral resin powder of 100 weight parts and the 3GO of 40 weight parts, 0.2 the β of weight part-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester, 0.2 2-(the 2 '-hydroxyl-3 ' of weight part, 5 '-two uncle's phenyl)-5-chlorination benzotriazole, after 0.5 the nano silicon of weight part (particle diameter is 50nm) evenly mixes in high-speed mixer, by forcing machine with diaphragm under 160 ℃ temperature, thickness according to 1.52mm is extruded, through overcooling, curtain coating, after the drying, cut, the solar photovoltaic assembly that rolling can obtain mentioning among the present invention polyvinyl butyral film sheet.
Embodiment 6
With the polyvinyl butyral resin powder of 100 weight parts and the 3GO of 40 weight parts, 0.2 four [β-(3 of weight part, the 5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester, 0.3 the 2-of weight part (2H-benzotriazole-2-yl)-4, the 6-di-tert-pentyl phenol, after 0.5 the nano silicon of weight part (particle diameter is 30nm) evenly mixes in high-speed mixer, by forcing machine with diaphragm under 160 ℃ temperature, thickness according to 0.76mm is extruded, through overcooling, curtain coating, after the drying, cut, the solar photovoltaic assembly that rolling can obtain mentioning among the present invention polyvinyl butyral film sheet.
Embodiment 7
With the polyvinyl butyral resin powder of 100 weight parts and the 3GO of 40 weight parts, 0.2 four [β-(3 of weight part, the 5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester, 0.3 the 2-of weight part (2H-benzotriazole-2-yl)-4, the 6-di-tert-pentyl phenol, after 0.5 the nano silicon of weight part (particle diameter is 30nm) evenly mixes in high-speed mixer, by forcing machine with diaphragm under 160 ℃ temperature, thickness according to 0.76mm is extruded, through overcooling, curtain coating, after the drying, cut, the solar photovoltaic assembly that rolling can obtain mentioning among the present invention polyvinyl butyral film sheet.
Embodiment 8
With the polyvinyl butyral resin powder of 100 weight parts and the 3GO of 40 weight parts, 0.2 four [β-(3 of weight part, the 5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester, 0.3 the 2-of weight part (2H-benzotriazole-2-yl)-4, the 6-di-tert-pentyl phenol, after the nano silicon of 2 weight parts (particle diameter is 30nm) evenly mixes in high-speed mixer, by forcing machine with diaphragm under 160 ℃ temperature, thickness according to 0.76mm is extruded, through overcooling, curtain coating, after the drying, cut, the solar photovoltaic assembly that rolling can obtain mentioning among the present invention polyvinyl butyral film sheet.
Please refer to following table, table 1 is the performance comparison data sheet of not adding prescription and the embodiment of the invention 5 prescriptions of weather-proof auxiliary agent, wherein fill a prescription 1 for being the prescription that does not add weather-proof auxiliary agent, prescription 2 is for adding silicon-dioxide as the prescription of weather-proof auxiliary agent, wherein 1076 is β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester, UV-327 are 2-(2 '-hydroxyl-3 ', 5 '-two uncle's phenyl)-5-chlorination benzotriazole.
Table 1
As can be seen from Table 1, the prescription 1 with not adding weather-proof auxiliary agent of the embodiment of the invention 5 (prescription 2) is compared, and prescription 2 specific conductivity are 50M Ω m before the damp and hot experiment
2, greater than the 38M Ω m of prescription 1
2After the damp and hot experiment, it is 2 apparent indefectible to fill a prescription, and transmittance is higher, and insulativity still is better than filling a prescription 1.
The above; be the specific embodiment of the present invention only, but protection scope of the present invention is not limited to this, anyly belongs to those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (10)
1. pvb film that is used for solar photovoltaic assembly, it is characterized in that: wherein each component according to the weight part proportioning is: polyvinyl butyral resin 100 weight parts, softening agent 30-40 weight part, oxidation inhibitor 0-2 weight part, uv-absorbing agent 0-2 weight part, weather-proof auxiliary agent 0.1-5 weight part, described weather-proof auxiliary agent is nano silicon or nano titanium oxide.
2. pvb film as claimed in claim 1 is characterized in that: described softening agent is dihexyl adipate, triglycol two 2-ethylhexoates, benzimidazolone yellow, the special-shaped polyhydric aliphatic acid of dibasic alcohol complex ester, dioctyl sebacate, dioctyl phthalate (DOP) or Uniflex DBS.
3. pvb film as claimed in claim 1, it is characterized in that: described oxidation inhibitor is β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester, four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester, N, N-hexylidene-1, [3-(3 for 6-two, 5-di-t-butyl-4-hydroxyphenyl) propionic acid amide], two (oxyethylene group) two [3-(a 5-tertiary butyl-4-hydroxy-base) propionic esters] of ethene or four (3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester.
4. pvb film as claimed in claim 1, it is characterized in that: described uv-absorbing agent is Octabenzone, 2-(2 '-hydroxyl-3 ', 5 '-two uncle's phenyl)-5-chlorination benzotriazole, 2-(2-hydroxyl-3-tertiary butyl-5-aminomethyl phenyl)-5-chlorobenzotriazole, 2-(2H-benzotriazole-2-yl)-4,6-di-tert-pentyl phenol, ESCALOL 567 or 2-(2H-benzotriazole-2-yl)-4,6-two (1-methyl isophthalic acid-phenylethyl) phenol.
5. the pvb film for solar photovoltaic assembly as claimed in claim 1, it is characterized in that: the particle size range of described weather-proof auxiliary agent is 1-100nm.
6. preparation method who is used for the pvb film of solar photovoltaic assembly, it is characterized in that: with polyvinyl butyral resin and softening agent, oxidation inhibitor, uv-absorbing agent and weather-proof auxiliary agent are by 100: 30-40: 0-2: 0-2: after 0.1-5 weight part proportioning is evenly mixed, by forcing machine with diaphragm under the extrusion temperature 140-170 of appointment ℃ condition, thickness 0.2-3mm according to appointment extrudes, through overcooling, curtain coating, after the drying, cut, rolling can obtain described pvb film for solar photovoltaic assembly, and described weather-proof auxiliary agent is nano silicon or nano titanium oxide.
7. preparation method as claimed in claim 6 is characterized in that: described softening agent is dihexyl adipate, triglycol two 2-ethylhexoates, benzimidazolone yellow, the special-shaped polyhydric aliphatic acid of dibasic alcohol complex ester, dioctyl sebacate, dioctyl phthalate (DOP) or Uniflex DBS.
8. preparation method as claimed in claim 6, it is characterized in that: described oxidation inhibitor is β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester, four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester, N, N-hexylidene-1, [3-(3 for 6--two, 5-di-t-butyl-4-hydroxyphenyl) propionic acid amide], two (oxyethylene group) two [3-(a 5-tertiary butyl-4-hydroxy-base) propionic esters] of ethene or four (3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester.
9. preparation method as claimed in claim 6, it is characterized in that: described uv-absorbing agent is Octabenzone, 2-(2 '-hydroxyl-3 ', 5 '-two uncle's phenyl)-5-chlorination benzotriazole, 2-(2-hydroxyl-3-tertiary butyl-5-aminomethyl phenyl)-5-chlorobenzotriazole, 2-(2H-benzotriazole-2-yl)-4,6-di-tert-pentyl phenol, ESCALOL 567 or 2-(2H-benzotriazole-2-yl)-4,6-two (1-methyl isophthalic acid-phenylethyl) phenol.
10. preparation method as claimed in claim 6, it is characterized in that: the particle size range of described weather-proof auxiliary agent is 1-100nm.
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| CN104277617A (en) * | 2013-07-02 | 2015-01-14 | 海安县中丽化工材料有限公司 | Bactericidal waterproof paint |
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| CN105348707A (en) * | 2015-11-13 | 2016-02-24 | 安徽广源科技发展有限公司 | An environmental-friendly polyvinyl butyral composite material |
| CN105599328A (en) * | 2016-01-13 | 2016-05-25 | 中国大唐集团科学技术研究院有限公司 | Manufacturing method of PVB (polyvinyl butyral) film for solar photovoltaic power generation equipment |
| CN107681015A (en) * | 2017-11-07 | 2018-02-09 | 苏州中来光伏新材股份有限公司 | The preparation method of PVB glued membranes and the solar double-glass assemblies encapsulated with the PVB glued membranes |
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Application publication date: 20130417 |