KR101045297B1 - Silicone sealant composition for solar cell and solar cell module only and manufacturing method of it - Google Patents
Silicone sealant composition for solar cell and solar cell module only and manufacturing method of it Download PDFInfo
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- KR101045297B1 KR101045297B1 KR1020090022716A KR20090022716A KR101045297B1 KR 101045297 B1 KR101045297 B1 KR 101045297B1 KR 1020090022716 A KR1020090022716 A KR 1020090022716A KR 20090022716 A KR20090022716 A KR 20090022716A KR 101045297 B1 KR101045297 B1 KR 101045297B1
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- 239000000203 mixture Substances 0.000 title claims abstract description 40
- 239000004590 silicone sealant Substances 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- -1 polydimethylsiloxane Polymers 0.000 claims abstract description 65
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 44
- 229920000642 polymer Polymers 0.000 claims abstract description 38
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 23
- 239000000565 sealant Substances 0.000 claims abstract description 18
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 14
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 14
- IYAZLDLPUNDVAG-UHFFFAOYSA-N 2-(benzotriazol-2-yl)-4-(2,4,4-trimethylpentan-2-yl)phenol Chemical compound CC(C)(C)CC(C)(C)C1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 IYAZLDLPUNDVAG-UHFFFAOYSA-N 0.000 claims abstract description 13
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims abstract description 12
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 12
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 11
- 239000005977 Ethylene Substances 0.000 claims abstract description 10
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 10
- 239000005909 Kieselgur Substances 0.000 claims abstract description 9
- 239000000945 filler Substances 0.000 claims abstract description 9
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229920002545 silicone oil Polymers 0.000 claims abstract description 8
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims abstract description 7
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000443 aerosol Substances 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims abstract description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 23
- 229910000077 silane Inorganic materials 0.000 claims description 23
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 11
- 229910021485 fumed silica Inorganic materials 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000006096 absorbing agent Substances 0.000 claims description 5
- IHTAVMHKEISGKU-UHFFFAOYSA-N N[SiH3].N[SiH3] Chemical compound N[SiH3].N[SiH3] IHTAVMHKEISGKU-UHFFFAOYSA-N 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 claims description 3
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 claims description 2
- INETXKGLHYNTHK-UHFFFAOYSA-N tetrakis(butan-2-ylideneamino) silicate Chemical compound CCC(C)=NO[Si](ON=C(C)CC)(ON=C(C)CC)ON=C(C)CC INETXKGLHYNTHK-UHFFFAOYSA-N 0.000 claims 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract description 18
- 239000000843 powder Substances 0.000 abstract description 10
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract description 9
- 239000010453 quartz Substances 0.000 abstract description 5
- 239000004205 dimethyl polysiloxane Substances 0.000 abstract description 4
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 1
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 239000011574 phosphorus Substances 0.000 abstract 1
- 229910052698 phosphorus Inorganic materials 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 238000003756 stirring Methods 0.000 description 10
- 235000006708 antioxidants Nutrition 0.000 description 9
- 238000002845 discoloration Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000006185 dispersion Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 239000003566 sealing material Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 3
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical group CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 239000012975 dibutyltin dilaurate Substances 0.000 description 2
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- WAMBYGSZDNJIAO-UHFFFAOYSA-N diaminosilyloxymethane Chemical compound CO[SiH](N)N WAMBYGSZDNJIAO-UHFFFAOYSA-N 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
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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
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K3/1006—Materials in mouldable or extrudable form for sealing or packing joints or covers characterised by the chemical nature of one of its constituents
- C09K3/1018—Macromolecular compounds having one or more carbon-to-silicon linkages
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
-
- 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
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2200/06—Macromolecular organic compounds, e.g. prepolymers
- C09K2200/068—Containing also other elements than carbon, oxygen or nitrogen in the polymer main chain
- C09K2200/0685—Containing silicon
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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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- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Polymers & Plastics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Materials Engineering (AREA)
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
본 발명은 태양전지와 태양전지모듈 전용 실리콘 실란트 조성물에 관한 것으로, 더욱 상세히는 양 말단이 수산화기(-OH)로 치환된 폴리디메틸실록산과, 디메틸실록산 폴리머인 실리콘 오일과, 메틸옥시미노실란, 비닐옥시미노실란, 메틸트리메톡시실란, 테트라에틸메틸케톡시모실란 중 선택되는 어느 1종 이상의 가교제와, 연무질 실리카, 탄산칼슘 분말, 석영분말, 침강실리카 또는 규조토 중 선택되는 어느 1종 이상의 충전제와, 아미노실란과, 2-(2'-hydroxy-5'-tert-octylphenyl)benzotriazole인 자외선 흡수제와, Tri-ethylene glycol-bis-3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate인 산화방지제의 혼합으로 조성된 태양전지 및 태양전지모듈 전용 실리콘 실란트 조성물 및 이의 제조방법에 관한 것으로, 기존의 태양전지 모듈 제작에 사용되는 실리콘 실란트의 문제점인 자외선에 장시간 노출되면 급격한 접착력 저하와 산화가 발생하는 것을 해결하여 자외선을 흡수하고 산화를 방지하여 태양전지 제작 및 묘듈 제작에 사용된다.The present invention relates to a silicone sealant composition for solar cells and solar cell modules, and more particularly, to polydimethylsiloxane substituted at both ends with a hydroxyl group (-OH), silicone oil as a dimethylsiloxane polymer, methyloxyminosilane, and vinyl. Any one or more crosslinking agents selected from oxyminosilane, methyltrimethoxysilane, tetraethylmethylketoxymosilane, any one or more fillers selected from aerosol silica, calcium carbonate powder, quartz powder, precipitated silica or diatomaceous earth, Aminosilane, ultraviolet absorber which is 2- (2'-hydroxy-5'-tert-octylphenyl) benzotriazole, and tri-ethylene glycol-bis-3- (3-tert-butyl-4-hydroxy-5-methylphenyl) propionate The present invention relates to a silicone sealant composition for a solar cell and a solar cell module prepared by mixing a phosphorus antioxidant, and a method of manufacturing the same. Prolonged exposure to absorb ultraviolet radiation to fix to the sudden adhesion and oxidation degradation occurs, and to prevent oxidation is used for the solar cell production and manufacturing modularity.
태양전지, 태양전지모듈, 실리콘, 실란트, 자외선, 산화, 폴리디메틸실록산 Solar Cell, Solar Cell Module, Silicon, Sealant, Ultraviolet Light, Oxidation, Polydimethylsiloxane
Description
본 발명은 자외선 흡수와 산화 방지 기능을 갖는 태양전지와 태양전지모듈 전용 실리콘 실란트 조성물 및 이의 제조방법에 관한 것이다.The present invention relates to a solar cell and a solar cell module-specific silicone sealant composition having ultraviolet absorption and anti-oxidation function and a method of manufacturing the same.
각종 접합부(Joint)나 갈라진 틈(Seam)에 대한 수밀, 기밀을 유지하기 위하여 충진되는 물질을 일반적으로 실링재라 말하며, 이는 어느 정도 강도 및 탄성을 가지고 부재를 고정시켜 건축물의 내구성을 증진시키는 목적으로 사용되어진다. A material filled to maintain watertightness and airtightness for various joints or cracks is generally referred to as a sealing material, which is intended to improve durability of buildings by fixing members with a certain strength and elasticity. It is used.
그리고 실링재 중 특히 탄성실링재를 실란트(Sealant)라고 한다. 충진할 때의 형태에 따라 부정형재료와 가스켓과 같은 정형재료로 나누어 지는데 좁은 뜻의 실링재는 부정형재료를 말하며 부정형재료는 실란트(Sealant)[신축허용율 ±0% 이상 조인트에 사용되어지는 제품(Silicone, 변성 Silicone, Polysulfide, Polyurethane)]와 코킹재(Caulking)[신축허용율 ±0% 이하 조인트에 사용되어지는 제품]로 분류한다.In particular, the elastic sealing material of the sealing material is called a sealant (Sealant). Depending on the type of filling, it is divided into amorphous materials and gypsum materials such as gaskets. The narrow meaning of sealing material is an amorphous material, and an irregular material is a sealant (a product that is used in joints with a stretching allowance of ± 0% or more. , Modified silicone, polysulfide, polyurethane)] and caulking (products used in joints with a tolerance of ± 0% of stretch).
이와 같은 실란트는 각종 접합부의 수밀, 기밀성을 확보하기 위한 것으로, 부재와 부재를 방수적으로 연속시킬 수 있는 물질을 이루는 기본 성능인 작업성(Extrudability, Non-Sagging or Self-Leveling), 경화성(Tack Free Time, Curing Rate, Hardness), 부착성(Cohesion Failure : Good Adhesion), (Adhesion Failure: Bad Adhesion)을 충족 해야 하고, 완전 경화된 도막이 접합부의 움직임에도 파열, 박리되지 않는 내 움직임 성능인 탄성을 만족해야 하며, 옥외의 자연 조건하에서 내 움직임성을 유지할 수 있는 내구 성능인 내후성, 내한, 내열성, 내수성, 내약품성을 충족해야 한다. Such sealant is to ensure the watertightness and airtightness of various joints, and is the basic performance (Extrudability, Non-Sagging or Self-Leveling), hardenability (Tack) which constitutes a material capable of waterproofing the member and the member. Free Time, Curing Rate, Hardness), Cohesion Failure (Good Adhesion), (Adhesion Failure: Bad Adhesion) must be It must be satisfied and satisfy weather resistance, cold resistance, heat resistance, water resistance and chemical resistance, which are durability performances that can maintain mobility under outdoor natural conditions.
이에 따라 실란트는 내수성이 우수할 것, 부재(피착재)에 대한 부착성이 우수할 것, 계절에 관계없이 양호한 접착성과 가사시간(작업가능시간)이 적당하며 확실하게 경화할 것, 줄눈에 발생하는 움직임에 잘 대응하고 과도한 응력 발생으로 인한 이상 변형이 없을 것, 장기간에 걸쳐서 강인한 접착력을 발휘하고 실링재 자체가 약화되지 않을 것이 요구된다.Accordingly, sealant should have excellent water resistance, good adhesion to member (adhesive material), good adhesion and pot life (working time) regardless of season, and harden reliably. It is required to cope well with the movement, to have no abnormal deformation due to excessive stress generation, to exhibit strong adhesion for a long time, and not to weaken the sealing material itself.
상기와 같은 요구조건으로 실리콘 실란트는 시공 후 일정한 시간이 지나면 표면과 접착 부위를 중심으로 자외선이나 그 외 외부 환경요인에 의해 내구성이 약해져 실란트의 접착력 저하 및 실란트의 노화가 문제점으로 부각되어 왔다.As a result of the above requirements, after a certain time after construction, the silicone sealant has weakened durability due to ultraviolet rays or other environmental factors around the surface and the adhesive site, and thus, the adhesive strength of the sealant and the aging of the sealant have been highlighted as problems.
특히, 기존의 태양전지용 실리콘 실란트의 경우, 다량 및 장기간에 걸쳐 자외선에 직접적으로 노출되면 실리콘 실란트는 급격한 접착력 저하와 산화가 일어나 실란트로서의 기능이 약화되거나 상실되는 문제가 있었다.In particular, in the case of the conventional silicone sealant for solar cells, if the silicone sealant is directly exposed to ultraviolet rays over a large amount and a long period of time, the silicone sealant has a problem in that the function as a sealant is weakened or lost due to rapid adhesion deterioration and oxidation.
상기의 문제를 해결하고자, 본 발명에서는 자외선 영역인 200~400nm, 280~390nm에서는 자외선 흡수제(UV absorber)를 사용함으로써 자외선에 대한 안정성을 확보할 수 있고, 390~450nm 영역은 항산화(Anti-oxidant) 기능을 갖는 태양전지와 태양전지모듈 전용 실리콘 실란트 조성물 및 이의 제조방법을 제공하는 것을 발명의 목적으로 한다.In order to solve the above problem, in the present invention, UV-protection may be ensured by using an ultraviolet absorber (UV absorber) in the ultraviolet region of 200 to 400 nm and 280 to 390 nm, and the 390 to 450 nm region is an antioxidant (Anti-oxidant). Disclosure of Invention It is an object of the present invention to provide a solar cell having a function) and a silicone sealant composition for a solar cell module and a manufacturing method thereof.
상기와 같은 목적을 달성하고자, 본 발명은 양 말단이 수산화기(-OH)로 치환된 디메틸실록산 폴리머(Hydroxy terminated Di-methyl-Siloxane Polymer) 8 ~ 40wt%와,In order to achieve the above object, the present invention is a dimethylsiloxane (Hydroxy terminated Di-methyl-Siloxane Polymer) 8 to 40wt%, both ends of which is substituted with a hydroxyl group (-OH),
디메틸실록산 폴리머(Di-methyl-Siloxane Polymer)인 실리콘 오일 10 ~ 20wt%와,10-20 wt% of silicone oil, which is a dimethylsiloxane polymer (Di-methyl-Siloxane Polymer),
메틸옥시미노실란(Methyl tris-(ethyl methyl Ketoximo)Silane), 비닐옥시미노실란(Vinyl tris-(ethyl methyl ketoximo)Silane), 메틸트리메톡시실란(Methyl Tri-Methoxy Silane), 테트라에틸메틸케톡시모실란(Tetra(ethyl methyl kethximo) Silane) 중 선택되는 어느 1종 이상의 가교제 4 ~ 25wt%와,Methyl tris- (ethyl methyl ketoximo) Silane, Vinyl tris- (ethyl methyl ketoximo) Silane, Methyl tri-Methoxy Silane, Tetraethylmethylketoxy 4 to 25 wt% of at least one crosslinking agent selected from mosilane (Tetra (ethyl methyl kethximo) Silane),
연무질 실리카(Fumed Silica), 탄산칼슘(CaCO3)분말, 석영분말, 침강실리카 또는 규조토 중 선택되는 어느 1종 이상의 충전제 15 ~ 75wt%와,15 to 75 wt% of at least one filler selected from fumed silica, calcium carbonate (CaCO 3 ) powder, quartz powder, precipitated silica or diatomaceous earth,
아미노실란(Amino Silane) 0.5 ~ 5wt%와,0.5 to 5 wt% of amino silane,
2-(2'-hydroxy-5'-tert-octylphenyl)benzotriazole인 자외선 흡수제 0.05 ~ 0.5wt%와,0.05 to 0.5 wt% of a ultraviolet absorber which is 2- (2'-hydroxy-5'-tert-octylphenyl) benzotriazole,
Tri-ethylene glycol-bis-3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate인 산화방지제 0.05 ~ 0.3wt%의 혼합으로 조성된 태양전지와 태양전지모듈 전용 실리콘 실란트 조성물과,A silicone sealant composition for a solar cell and a solar cell module composed of a mixture of 0.05 to 0.3 wt% of an antioxidant of tri-ethylene glycol-bis-3- (3-tert-butyl-4-hydroxy-5-methylphenyl) propionate,
디메틸실록산 폴리머(Di-methyl-Siloxane Polymer)인 실리콘 오일 10 ~ 20wt%에 (2-(2'-hydroxy-5'-tert-octylphenyl)benzotriazole인 자외선 흡수제 0.05 ~ 0.5wt%와, Tri-ethylene glycol-bis-3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate인 산화방지제 0.05 ~ 0.3wt%를 첨가하여 1,000 ~ 4,000rpm으로 분산시켜 완전분산 혼합하고,10 ~ 20wt% of silicone oil, Di-methyl-Siloxane Polymer, 0.05 ~ 0.5wt% of UV absorber of 2- (2'-hydroxy-5'-tert-octylphenyl) benzotriazole, and tri-ethylene glycol 0.05 to 0.3 wt% of an antioxidant, -bis-3- (3-tert-butyl-4-hydroxy-5-methylphenyl) propionate, was added and dispersed at 1,000 to 4,000 rpm, followed by full dispersion and mixing.
양 말단이 수산화기(-OH)로 치환된 디메틸실록산 폴리머(Hydroxy terminated Di-methyl-Siloxane Polymer) 8 ~ 40wt%을 첨가한 후 15 ~ 50분간 교반과 동시에 진공으로 기포와 수분을 제거하고,After adding 8 to 40 wt% of a dimethylsiloxane polymer (Hydroxy terminated Di-methyl-Siloxane Polymer) substituted at both ends with a hydroxyl group (-OH), the air bubbles and water are removed by vacuum while stirring for 15 to 50 minutes,
연무질 실리카(Fumed Silica), 탄산칼슘(CaCO3)분말, 석영분말, 침강실리카 또는 규조토 중 선택되는 어느 1종 이상의 충전제 15 ~ 75wt%와,15 to 75 wt% of at least one filler selected from fumed silica, calcium carbonate (CaCO 3 ) powder, quartz powder, precipitated silica or diatomaceous earth,
메틸옥시미노실란(Methyl tris-(ethyl methyl Ketoximo)Silane), 비닐옥시미노실란(Vinyl tris-(ethyl methyl ketoximo)Silane), 메틸트리메톡시실란(Methyl Tri-Methoxy Silane), 테트라에틸메틸케톡시모실란(Tetra(ethyl methyl kethximo) Silane) 중 선택되는 어느 1종 이상의 가교제 4 ~ 25wt%와,Methyl tris- (ethyl methyl ketoximo) Silane, Vinyl tris- (ethyl methyl ketoximo) Silane, Methyl tri-Methoxy Silane, Tetraethylmethylketoxy 4 to 25 wt% of at least one crosslinking agent selected from mosilane (Tetra (ethyl methyl kethximo) Silane),
아미노실란(Amino Silane) 0.5 ~ 5wt%를 첨가하여 촉매 조건하에서 15 ~ 50분 동안 교반하는 것으로 이루어지는 태양전지와 태양전지모듈 전용 실리콘 실란트 조성물 제조방법을 발명의 주요 기술적 구성으로 한다.A method for producing a solar cell and a solar cell module-specific silicone sealant composition comprising 0.5 to 5 wt% of amino silane and stirring for 15 to 50 minutes under catalyst conditions is the main technical configuration of the present invention.
상기 양 말단이 수산화기(-OH)로 치환된 디메틸실록산 폴리머(Hydroxy terminated Di-methyl-Siloxane Polymer)는 양 끝단에 수산화기를 지니고 있어 고분자를 구성하게 되며 실리콘 실란트 조성물의 전체량에 대해 8 ~ 40wt%의 범위 내에서 사용되는 것으로, 8wt% 미만인 경우에는 고분자를 구성하는 수지의 양이 적어 실란트의 기능상 문제가 발생하게 되고, 40wt%를 초과하여 사용하게 되는 경우에는 반응기가 과잉으로 존재하여 경직된 구조가 되고 과량의 가교제가 필요하게 되므로, 실리콘 실란트 조성물의 전체량에 대해 8 ~ 40wt% 범위 내에서 사용되는 것이 바람직하다.The dimethylsiloxane polymer (Hydroxy terminated Di-methyl-Siloxane Polymer) in which both ends are substituted with a hydroxyl group (-OH) has hydroxyl groups at both ends to constitute a polymer, and 8 to 40wt% of the total amount of the silicone sealant composition. When used within the range of less than 8wt%, the amount of resin constituting the polymer is small, causing functional problems of the sealant, and when used in excess of 40wt%, the reactor is excessively present, resulting in a rigid structure. Since an excess crosslinking agent is required, it is preferable to use within the range of 8 to 40 wt% with respect to the total amount of the silicone sealant composition.
상기 디메틸실록산 폴리머(Di-methyl-Siloxane Polymer; Silicone Fluid)은 반응기가 없는 PDMS이며 가소제로서의 기능을 한다.The dimethylsiloxane polymer (Di-methyl-Siloxane Polymer; Silicone Fluid) is a PDMS without a reactor and functions as a plasticizer.
실리콘 실란트 조성물의 전체량에 대해 10 ~ 20wt%의 범위 내에서 사용되는 것으로, 10wt% 미만인 경우에는 경화전 실란트의 토출성(Extrusion rate)가 작업자가 작업이 어려운 문제가 있고, 20wt%를 초과하여 사용하게 되는 경우에는 경화전 수직 코킹시 새깅(Sagging) 현상이 발생하여 수직 구조로 실란트가 요구되는 조인트에 사용이 불가한 문제가 있으므로, 상기 디메틸실록산 폴리머(Di-methyl-Siloxane Polymer)은 실리콘 실란트 조성물의 전체량에 대해 10 ~ 20wt% 범위 내에서 사용되는 것이 바람직하다. 상기 디메틸실록산 폴리머(Di-methyl-Siloxane Polymer)는 점도가 100cs ~ 1,000cs인 것임을 특징으로 한다.It is used in the range of 10 to 20wt% with respect to the total amount of the silicone sealant composition, and if it is less than 10wt%, the extrusion rate of the sealant before curing is difficult for the operator to work, and exceeds 20wt% In case of use, since sagging occurs during vertical coking before curing, there is a problem in that it cannot be used in a joint requiring a sealant in a vertical structure, so the dimethylsiloxane polymer is a silicone sealant. It is preferably used in the range of 10 to 20 wt% with respect to the total amount of the composition. The dimethylsiloxane polymer (Di-methyl-Siloxane Polymer) is characterized in that the viscosity is 100cs ~ 1,000cs.
상기 점도가 100cs 미만인 경우에는 흐름성에 대한 영향을 많이 미치고, 1,000cs를 초과하게 되는 경우에는 오일로 쓰이는 폴리머의 체인자체가 길어져 작업성이 떨어지게 되므로, 작업성을 고려하여 100cs ~ 1,000cs의 점도 범위 내에서 사용하는 것이 바람직하다.If the viscosity is less than 100cs has a lot of influence on the flowability, if it exceeds 1,000cs, since the chain itself of the polymer used as an oil is long and the workability is reduced, the viscosity range of 100cs ~ 1,000cs in consideration of workability It is preferable to use within.
상기 가교제는 메틸옥시미노실란(Methyl tris-(ethyl methyl Ketoximo)Silane), 비닐옥시미노실란(Vinyl tris-(ethyl methyl ketoximo)Silane), 메틸트리메톡시실란(Methyl Tri-Methoxy Silane), 테트라에틸메틸케톡시모실란(Tetra(ethyl methyl kethximo) Silane) 중 선택되는 어느 1종 이상을 사용하는 것으로, 실리콘 실란트 조성물의 전체량에 대해 4 ~ 25wt%의 범위 내에서 사용한다. 그 사용량이 4wt% 미만인 경우에는(Hydroxy function을 가진 실록산 폴리머의 당량비가 맞지 않아 미반응 잔량이 존재하며 가교로 인한 연질의 구조가 형성되는문제가 있어 실란트로서의 요구되는 강도(Shore A)보다 취약하다는 문제가 발생하 고, 25wt%를 초과하여 사용하게 되는 경우에는 과잉의 반응기가 존재하게 되어 대기중의 수분과 활발한 반응을 하므로 저장 안정성이 취약해지는 문제가 있으므로, 상기 가교제는 실리콘 실란트 조성물의 전체량에 대해 4 ~ 25wt% 범위 내에서 사용되는 것이 바람직하다.The crosslinking agent is methyl tris- (ethyl methyl ketoximo) Silane, vinyl tris- (ethyl methyl ketoximo) Silane, methyl tri-Methoxy Silane, tetraethyl By using any one or more selected from methyl ketoxy mosilane (Tetra (ethyl methyl kethximo) Silane), it is used within the range of 4 to 25wt% based on the total amount of the silicone sealant composition. If the amount is less than 4wt% (the equivalent ratio of siloxane polymer with hydroxy function is not matched, there is a problem that there is unreacted residue and soft structure is formed by crosslinking, which is weaker than the required strength as a sealant (Shore A). If a problem occurs and the amount is used in excess of 25wt%, an excessive amount of the reactor is present and the active reaction with moisture in the air causes the storage stability to be weak. Therefore, the crosslinking agent is used in the total amount of the silicone sealant composition. It is preferable to use within the range of 4 to 25wt%.
상기 충전제는 연무질 실리카(Fumed Silica), 탄산칼슘(CaCO3)분말, 석영분말, 침강실리카 또는 규조토 중 선택되는 어느 1종 이상을 사용하는 것으로, 실리콘 실란트 조성물의 전체량에 대해 15 ~ 75wt%의 범위 내에서 사용한다. 그 사용량이 15wt% 미만인 경우에는 경도가 약해지는 문제가 있고, 75wt%를 초과하여 사용하게 되는 경우에는 실란트로서의 기능인 유동성이 취약해지는 문제가 있으므로, 상기 충전제는 실리콘 실란트 조성물의 전체량에 대해 15 ~ 75wt% 범위 내에서 사용되는 것이 바람직하다.The filler is any one or more selected from fumed silica, calcium carbonate (CaCO 3 ) powder, quartz powder, precipitated silica or diatomaceous earth, and the content of 15 to 75wt% based on the total amount of the silicone sealant composition. Use within range. If the amount is less than 15wt%, there is a problem that the hardness is weakened, and if it is used in excess of 75wt%, there is a problem that the fluidity, which is a function as a sealant, becomes weak. It is preferred to use within the range of 75wt%.
상기 아미노실란(Amino Silane)은 실리콘 실란트 조성물의 전체량에 대해 0.5 ~ 5wt%의 범위 내에서 사용되는 것으로, 0.5wt% 미만인 경우에는 부착성이 취약해서 Adhesive Failure(AF)가 발생하는 문제가 있고, 5wt%를 초과하여 사용하게 되는 경우에는 실란트의 저장 안정성이 취약해지며 황변 현상이 발생하는 문제가 있으므로, 상기 아미노실란(Amino Silane)은 실리콘 실란트 조성물의 전체량에 대해 0.5 ~ 5wt% 범위 내에서 사용되는 것이 바람직하다.The amino silane (Amino Silane) is used in the range of 0.5 to 5wt% with respect to the total amount of the silicone sealant composition, when less than 0.5wt% there is a problem that adhesive failure (AF) occurs because of poor adhesion , When used in excess of 5wt%, the storage stability of the sealant becomes weak and there is a problem that a yellowing phenomenon occurs, the aminosilane (Amino Silane) is within the range of 0.5 ~ 5wt% relative to the total amount of the silicone sealant composition Preference is given to using.
상기 2-(2'-hydroxy-5'-tert-octylphenyl)benzotriazole은 실리콘 실란트 조성물의 전체량에 대해 0.05 ~ 0.5wt%의 범위 내에서 사용되는 것으로, 0.05wt% 미만인 경우에는 자외선 흡수 효율성이 떨어지는 문제가 있고, 0.5wt%를 초과하여 사용하게 되는 경우에는 제조 과정에서 실리콘 실란트의 고무화 현상이 발생하는 문제가 있으므로, 상기 2-(2'-hydroxy-5'-tert-octylphenyl)benzotriazole은 실리콘 실란트 조성물의 전체량에 대해 0.05 ~ 0.5wt% 범위 내에서 사용되는 것이 바람직하다.The 2- (2'-hydroxy-5'-tert-octylphenyl) benzotriazole is used in the range of 0.05 to 0.5wt% with respect to the total amount of the silicone sealant composition, and when it is less than 0.05wt%, the UV absorption efficiency is inferior. There is a problem, and when used in excess of 0.5wt% there is a problem that the rubberization of the silicone sealant occurs during the manufacturing process, the 2- (2'-hydroxy-5'-tert-octylphenyl) benzotriazole is a silicone It is preferable to use within the range of 0.05 to 0.5wt% with respect to the total amount of the sealant composition.
상기 Tri-ethylene glycol-bis-3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate는 실리콘 실란트 조성물의 전체량에 대해 0.05 ~ 0.3wt%의 범위 내에서 사용되는 것으로, 0.05wt% 미만인 경우에는 산화 방지제로서의 기능을 발휘한다고 보기 어렵고, 0.3wt%를 초과하여 사용하게 되는 경우에는 (산화 방지제가 가진고 있는 Hydroxy기의 반응성이 가교제와의 반응이 활발해지므로 실리콘 실란트의 가교 과정에 심각한 문제를 초래 할 수 있으므로, 실리콘 실란트 조성물의 전체량에 대해 0.05 ~ 0.3wt% 범위 내에서 사용되는 것이 바람직하다.The tri-ethylene glycol-bis-3- (3-tert-butyl-4-hydroxy-5-methylphenyl) propionate is used in the range of 0.05 to 0.3wt% with respect to the total amount of the silicone sealant composition, 0.05wt If it is less than%, it is hardly considered to function as an antioxidant, and if it is used in excess of 0.3 wt%, (the reactivity of the hydroxyl group of the antioxidant becomes more active in the crosslinking process of the silicone sealant. It may be used in the range of 0.05 to 0.3wt% with respect to the total amount of the silicone sealant composition, because it may cause serious problems.
다음으로, 제조과정에 대해 살펴보고자 한다.Next, we will look at the manufacturing process.
분산 혼합물 제조Dispersion mixture preparation
디메틸실록산 폴리머(Di-methyl-Siloxane Polymer)의 실리콘 오일에 2-(2'-hydroxy-5'-tert-octylphenyl)benzotriazole의 자외선 흡수제와, Tri-ethylene glycol-bis-3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate의 산화방지제를 첨가하여 1,000 ~ 4,000rpm으로 분산시켜 완전분산 혼합물을 제조한다.Ultraviolet absorber of 2- (2'-hydroxy-5'-tert-octylphenyl) benzotriazole in silicone oil of Di-methyl-Siloxane Polymer, Tri-ethylene glycol-bis-3- (3-tert- A fully dispersed mixture is prepared by adding an antioxidant of butyl-4-hydroxy-5-methylphenyl) propionate and dispersing it at 1,000 to 4,000 rpm.
상기 분산을 위한 교반속도가 1,000rpm 미만인 경우에는 분산이 잘 이루어지지 않는 문제가 있으므로, 4,000rpm을 초과하게 되는 경우에는 분산에 큰 변화를 주지 못하므로 무의미하여, 상기 교반속도는 1,000rpm ~ 4,000rpm의 범위 내에서 이루어지는 것이 바람직하다.If the stirring speed for the dispersion is less than 1,000rpm because there is a problem that the dispersion is not made well, if it exceeds 4,000rpm because it does not give a large change in dispersion, meaningless, the stirring speed is 1,000rpm ~ 4,000rpm It is preferable that it is made in the range of.
기포와 수분 제거Bubble and moisture removal
상기 혼합물과 양 말단이 수산화기(-OH)로 치환된 디메틸실록산 폴리머(Hydroxy terminated Di-methyl-Siloxane Polymer)을 혼합한 후 15 ~ 50분간 교반과 동시에 진공으로 기포와 수분을 제거한다.After mixing the mixture and the dimethylsiloxane polymer (Hydroxy terminated Di-methyl-Siloxane Polymer) in which both ends are substituted with a hydroxyl group (-OH), the bubble and water are removed by vacuum while stirring for 15 to 50 minutes.
상기 교반시간이 15분 미만인 경우에는 미분산이 발생할 수 있고, 50분을 초과하게 되는 경우에는 어느 정도 점도가 있는 수산화기(-OH)를 갖는 폴리디메틸실록산과의 오랜시간 교반으로 인해 열이 발생하여 부분적으로 화학적 반응을 초래할 문제가 있으므로, 상기 교반시간은 15 ~ 50분의 범위 내에서 이루어지는 것이 바람직하다.When the stirring time is less than 15 minutes, fine dispersion may occur, and when the stirring time exceeds 50 minutes, heat is generated due to prolonged stirring with polydimethylsiloxane having a hydroxyl group (-OH) having a viscosity to some extent. Since there is a problem of causing a chemical reaction, the stirring time is preferably made within the range of 15 to 50 minutes.
교반 단계Stirring step
상기 기포와 수분이 제거된 혼합물과 연무질 실리카(Fumed Silica), 탄산칼슘(CaCO3)분말, 석영분말, 침강실리카 또는 규조토 중 선택되는 어느 1종 이상의 충전제와, 메틸옥시미노실란(Methyl tris-(ethyl methyl Ketoximo)Silane), 비닐옥시미노실란(Vinyl tris-(ethyl methyl ketoximo)Silane), 메틸트리메톡시실란(Methyl Tri-Methoxy Silane), 테트라에틸메틸케톡시모실란(Tetra(ethyl methyl kethximo) Silane) 중 선택되는 어느 1종 이상의 가교제와, 아미노실란(Amino Silane)을 촉매 조건하에서 15 ~ 50분 동안 교반한다. 상기 촉매는 디부틸주석 디라우레이트(DBTDL)이다.The air bubbles are removed and the mixture aerosol silica (Fumed Silica) water, calcium carbonate (CaCO 3) powder, a quartz powder, and at least any one filler selected from precipitated silica or diatomaceous earth, methyloxy diamino silane (Methyl tris- ( ethyl methyl Ketoximo (Silane), Vinyl tris- (ethyl methyl ketoximo) Silane, Methyl Tri-Methoxy Silane, Tetra (ethyl methyl kethximo) Silane A) any one or more crosslinking agents selected from < RTI ID = 0.0 >) and < / RTI > The catalyst is dibutyltin dilaurate (DBTDL).
이상에서 살펴본 바와 같이, 본 발명에 따른 태양전지와 태양전지모듈 전용 실리콘 실란트 조성물은 200 ~ 400nm, 280 ~ 390nm의 자외선 영역에서는 자외선 흡수제(UV absorber)를 통해 자외선에 대해 안정적인 효과를 갖고, 390 ~ 450nm 영역은 항산화(Anti-oxidant) 작용에 의해 자외선 안정 항산화 실리콘 실란트를 제공함으로써, 장시간의 자외선에 강하게 견딜 수 있어, 태양전지 및 태양전지 모듈의 수명을 연장시키게 된다.As described above, the silicone sealant composition for solar cells and solar cell modules according to the present invention has a stable effect against ultraviolet rays through an ultraviolet absorber (UV absorber) in the ultraviolet region of 200 ~ 400nm, 280 ~ 390nm, 390 ~ The 450 nm region is able to withstand ultraviolet rays for a long time by providing an ultraviolet-stable anti-oxidant silicone sealant by an anti-oxidant action, thereby extending the life of the solar cell and solar cell module.
이하, 상기의 기술적 구성에 대한 더욱 구체적인 내용을 살펴보고자 한다.Hereinafter, a more detailed description of the technical configuration will be described.
다음은 자외선 흡수제(UV absorber)와 항산화제(Anti-oxidant)를 함유하는 태양전지 전용 실리콘 실란트 조성물의 배합에 대한 구체적인 내용을 기재한다.The following describes specific details of the formulation of a solar cell-specific silicone sealant composition containing a UV absorber and an anti-oxidant.
실시 예 1Example 1
양 말단이 수산화기(-OH)로 치환된 디메틸실록산 폴리머 40g, 40 g of a dimethylsiloxane polymer substituted at both ends with a hydroxyl group (-OH),
Di-methyl-Siloxane Polymer 15g,Di-methyl-Siloxane Polymer 15g,
Methyl tris-(ethyl methyl Ketoximo)Silane 10g,Methyl tris- (ethyl methyl Ketoximo) Silane 10g,
Vinyl tris-(ethyl methyl ketoximo)Silane 10g,Vinyl tris- (ethyl methyl ketoximo) Silane 10g,
연무질 실리카(Fumed Silica) 8g,8 g of fumed silica,
탄산칼슘(CaCO3) 11.55g,Calcium carbonate (CaCO 3 ) 11.55g,
아미노실란(Amino Silane) 5g,5 g of amino silane,
2-(2'-hydroxy-5'-tert-octylphenyl)benzotriazole 0.3g0.3 g of 2- (2'-hydroxy-5'-tert-octylphenyl) benzotriazole
Tri-ethylene glycol-bis-3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate 0.15g으로 배합하여 태양전지 전용 실리콘 실란트 조성물을 제조한다.Tri-ethylene glycol-bis-3- (3-tert-butyl-4-hydroxy-5-methylphenyl) propionate 0.15g to prepare a silicone sealant composition for solar cells.
실시 예 2Example 2
양 말단이 수산화기(-OH)로 치환된 디메틸실록산 폴리머 40g, 40 g of a dimethylsiloxane polymer substituted at both ends with a hydroxyl group (-OH),
Di-methyl-Siloxane Polymer 15g,Di-methyl-Siloxane Polymer 15g,
Methyl tris-(ethyl methyl Ketoximo)Silane 10g,Methyl tris- (ethyl methyl Ketoximo) Silane 10g,
Vinyl tris-(ethyl methyl ketoximo)Silane 10g,Vinyl tris- (ethyl methyl ketoximo) Silane 10g,
연무질 실리카(Fumed Silica) 8g,8 g of fumed silica,
탄산칼슘(CaCO3) 11.40g,Calcium carbonate (CaCO 3 ) 11.40g,
아미노실란(Amino Silane) 5g,5 g of amino silane,
2-(2'-hydroxy-5'-tert-octylphenyl)benzotriazole 0.4g2- (2'-hydroxy-5'-tert-octylphenyl) benzotriazole 0.4g
Tri-ethylene glycol-bis-3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate 0.2g으로 배합하여 태양전지 전용 실리콘 실란트 조성물을 제조한다.Tri-ethylene glycol-bis-3- (3-tert-butyl-4-hydroxy-5-methylphenyl) propionate 0.2g to prepare a silicone sealant composition for solar cells.
실시 예 3Example 3
양 말단이 수산화기(-OH)로 치환된 디메틸실록산 폴리머 40g, 40 g of a dimethylsiloxane polymer substituted at both ends with a hydroxyl group (-OH),
Di-methyl-Siloxane Polymer 15g,Di-methyl-Siloxane Polymer 15g,
Methyl tris-(ethyl methyl Ketoximo)Silane 10g,Methyl tris- (ethyl methyl Ketoximo) Silane 10g,
Vinyl tris-(ethyl methyl ketoximo)Silane 10g,Vinyl tris- (ethyl methyl ketoximo) Silane 10g,
연무질 실리카(Fumed Silica) 8g,8 g of fumed silica,
탄산칼슘(CaCO3) 11.20g,Calcium carbonate (CaCO 3 ) 11.20g,
아미노실란(Amino Silane) 5g,5 g of amino silane,
2-(2'-hydroxy-5'-tert-octylphenyl)benzotriazole 0.5g0.5 g of 2- (2'-hydroxy-5'-tert-octylphenyl) benzotriazole
Tri-ethylene glycol-bis-3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate 0.3g으로 배합하여 태양전지 전용 실리콘 실란트 조성물을 제조한다.Tri-ethylene glycol-bis-3- (3-tert-butyl-4-hydroxy-5-methylphenyl) propionate 0.3g to prepare a silicone sealant composition for solar cells.
비교 예 1Comparative Example 1
양 말단이 수산화기(-OH)로 치환된 디메틸실록산 폴리머 40g, 40 g of a dimethylsiloxane polymer substituted at both ends with a hydroxyl group (-OH),
Di-methyl-Siloxane Polymer 15.8g,Di-methyl-Siloxane Polymer 15.8g,
Methyl tris-(ethyl methyl Ketoximo)Silane 10g,Methyl tris- (ethyl methyl Ketoximo) Silane 10g,
Vinyl tris-(ethyl methyl ketoximo)Silane 10g,Vinyl tris- (ethyl methyl ketoximo) Silane 10g,
연무질 실리카(Fumed Silica) 8g,8 g of fumed silica,
탄산칼슘(CaCO3) 11.20g,Calcium carbonate (CaCO 3 ) 11.20g,
아미노실란(Amino Silane) 5g으로 배합하여 태양전지 전용 실리콘 실란트 조성물을 제조한다.By using 5 g of amino silane (Amino Silane) to prepare a silicone sealant composition for solar cells.
상기 실시 예 1 내지 3 및 비교 예 1의 자외선 안정 항산화 실리콘 실란트를 QUV(자외선 촉진 테스트)를 실시 한 결과는 다음의 표 1과 같다.The results of the QUV (ultraviolet ray accelerated test) on the ultraviolet stable silicon oxide sealant of Examples 1 to 3 and Comparative Example 1 are shown in Table 1 below.
표 1 : QUV 테스트 결과표Table 1: QUV Test Results Table
● : 변색의 정도가 심함, ◎ : 변색이 발생, ○ : 미약하게 발생, X: 변색되지 않음.●: The degree of discoloration is severe, ◎: Discoloration occurs, ○: Slight occurrence, X: No discoloration.
다음으로, 환경촉진 가속화 시험을 1,000시간 동안 한 결과는 다음의 표 2와 같다.Next, the result of 1,000 hours of environmental acceleration acceleration test is shown in Table 2 below.
표 2 : Q-SUN 테스트 결과표Table 2: Q-SUN Test Results Table
● : 변색의 정도가 심함, ◎ : 변색이 발생, ○ : 미약하게 발생, X: 변색되지 않음.●: The degree of discoloration is severe, ◎: Discoloration occurs, ○: Slight occurrence, X: No discoloration.
상기 표 1 및 표 2를 통해, 실시 예 1 내지 3의 실리콘 실란트가 태양전지 제작에 적합한 제품임이 확인되었으며, 실리콘 실란트와의 상호 호완성을 위해 태양전지 모듈과의 부식성 테스트를 진행하였다.(표 3)Through Tables 1 and 2, it was confirmed that the silicone sealants of Examples 1 to 3 were suitable for solar cell fabrication, and the corrosion test with the solar cell module was performed for mutual compatibility with the silicone sealant. 3)
표 3 :부식성 테스트 결과표Table 3: Corrosion Test Results Table
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