TW201207025A - A gasket member for a photovoltaic device module and a photovoltaic device module using the gasket member - Google Patents
A gasket member for a photovoltaic device module and a photovoltaic device module using the gasket member Download PDFInfo
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- TW201207025A TW201207025A TW100112088A TW100112088A TW201207025A TW 201207025 A TW201207025 A TW 201207025A TW 100112088 A TW100112088 A TW 100112088A TW 100112088 A TW100112088 A TW 100112088A TW 201207025 A TW201207025 A TW 201207025A
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- Prior art keywords
- solar cell
- cell module
- rubber
- gasket member
- hardness
- Prior art date
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Classifications
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- H—ELECTRICITY
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/102—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by material
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- 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
- C08K3/02—Elements
- C08K3/06—Sulfur
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/14—Peroxides
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Description
201207025 六、發明說明: 【發明所屬之技術領域】 本發明係關於一種用於太 材、及應用該墊圈部材之太陽能電池模电組池模組之墊圈部 【先前技術】 迄今,太陽能電池模組大多於太陽 之間嵌合墊圈部材,以防止封閉不 電池面板與外框 材,迄今主要是使用以墊圈部材之素 而,由於乙烯樹脂較硬,故間隙精確 歸素材。然 差池,便可能產生破損、或變得嵌合ς要’尺寸若稍有 陽能電池模組内部浸水的主要原因 ^嵌合不良係太 的壽命造成很大的影響。又,若^陽能電池模組 使用,會有下述之降低太陽能電池模為塾圈部材 須-邊小心安裝時的破損一邊作業。、進一產性的缺點:必 為塾圈部材的素材使用時,=材= 太陽能電池模組的角_分是困難的,^材破覆到 用別種丁基材料或聚矽氧材料來密封。此點二 本的提高,亦為水分浸人太陽能電池模組内部的原Π 太陽能電池模組的耐久性方面來看也有問題。 從 …上叫σ丨們π网I止盛行。例如,在曰 利特開2〇〇〇_114570號中,介紹有一種太陽能電池模t 墊圈部材,係將硬質塑膠與軟質塑膠複合成形來防止套 不良。又,在日本專利特開2〇〇1_7372號中介紹有 因此,目前墊圈部材的開發正盛行。例如, 利特開2000-114570號中,公紉女—你_ 201207025 邊一體型的太陽能電池模組用墊圈部材,其係應用了熱硬 化性橡膠及熱可塑性彈性體者。然而,無法提供一種可同 時兼顧生產性及太陽能電池耐久性之太陽能電池模組用 墊圈部材。 【發明内容】 本發明係有鑑於上述問題,以提供一種太陽能電池模 組用墊圈部材以及應用該墊圈部材之太陽能電池模組為 目的,該墊圈部材係可大幅地提高太陽能電池模組之耐久 性,且易於使用之太陽能電池模組用墊圈部材。 [專利文獻1]日本特開2000-114570號 [專利文獻2]日本特開2001-7372號 本發明係: (1) 一種太陽能電池模組用墊圈部材,係以乙烯/α_烯烴/ 非共軛二烯共聚物橡膠作為原料橡膠成分者,其 中,前述乙烯/α-烯烴/非共軛二烯共聚物橡膠係藉由 有機過氧化物進行了交聯,且前述有機過氧化物相 對於每100克乙烯/α-烯烴/非共軛二烯共聚物橡膠之 添加量係0.005至O.lmol ; (2) 如(1)所記載之太陽能電池模組用墊圈部材,其在 25°C時的蕭式A型硬度之值為30至80 ; (3) 如(1)〜(2)所記載之太陽能電池模組用墊圈部 材,其在-25°C時的蕭式A型硬度之值(H_25t)與在 25°C時的蕭式A型硬度之值(H^c )係滿足下述(式 201207025 1.0< H,25"c/ H25t<3.0 (式 1) (4)如(1)〜(3)所記載之太陽能電池模組用墊圈部 材,其在150°C下經72小時之熱處理後的斷裂伸度 (EBa)與處理前的斷裂伸度(EBb)符合下述(式2): 〇< (EBb-EBa) /EBb<0.3 (式 2 ) (5 ) —種太陽能電池模組,其係應用了如(1 )〜(4 ) 所記載之太陽能電池模組用墊圈部材者。 在此,蕭式A型硬度係依據JISK 6253所測定而得之 值。 測定在-25°C時乙烯/α·烯烴/非共軛二烯共聚物橡膠之 蕭式Α型硬度與25。(:時乙烯/α-烯烴/非共軛二烯共聚物橡 膠之蕭式Α型硬度,並各令其為Η_25ΐ、Η〗#之值。 在_25°C時蕭式Α型硬度的測定係使用硬度計也放置 於-25 C環境下者,且在-25¾環境下所測定而得者。 又,令在150°C下經72小時之熱處理後的斷裂伸度為 EBa ’處理前的斷裂伸度為EBb,並將/E抑之值 疋義為熱老化性。斷裂伸度的值係依據JISK 6251所測定 而得之值。 [發明效果] 藉由以本發明之方式構成太陽能電池模組用墊圈部 材,可圖謀墊圈部材之生產性的提高及成本降低、太陽能 電池模組的耐久性、及生產性之提高。 屬第2發明之太陽能電池模組用墊圈部材係在25。〇時 201207025 之蕭式A型硬度的值為30至80的上述太陽能電池模組用 墊圈部材。藉由將太陽能電池模組用墊圈部材形成為這樣 的結構,可得到墊圈部材之生產性及使用性顯著提高的效 果。 屬第3發明之太陽能電池模組用墊圈部材係蕭式a型 硬度因溫度而起之變化小的太陽能電池模組用墊圈部
材。若令-25°C下之蕭式A型硬度的值為Η·25ΐ,且令25°C 下之蕭式A型硬度之值為Hwc,調製滿足下述(式1)之 墊圈部材的材料,則由於其對溫度變化的耐性強、即使在 寒冷的地方也表現柔軟的橡膠彈性之故,即使對鋁框或玻 璃的收縮亦能發揮部材彼此的緩衝效果,對作為結構體之 無應力化有所貢獻,而可期待太陽能電池之耐久性的提 南。 !·〇< H_25°c/ H25t<3.0 (式 1) 屬第4發明之太陽能電池模組用墊圈部材係即使以高 溫保持時,亦不會喪失橡膠特性之太陽能電池模組用墊圈 部材。令在150°C下經72小時之熱處理後的斷裂伸度為 EBa,處理前的斷裂伸度為EBb時,以滿足下述(式2)的 方式構成太陽能電池模組用墊圈部材時,從耐熱性的觀點 看來可提供一種耐久性高的太陽能電池模組。 〇< (EBb-EBa) / EBb <0.3 (式 2 ) 屬第5發明之太陽能電池模組係應用了上述太陽能電 池模組用墊圈部材之太陽能電池模組。藉由應用上述太陽 能電池模組用墊圈部材來製造太陽能電池模組,從耐水 201207025 性、耐熱性的觀點看來,可提供一種耐久性高的太陽能電 池模組。又,可減低太陽能電池模組製造成本,並使生產 性大幅提高。 【實施方式】 以下就本發明之太陽能電池模組用墊圈部材及太陽 能電池模組進行說明。 <原料橡膠> 作為本發明所使用之墊圈部材的原料橡膠成分,係可 適合地使用乙烯/α_烯烴/非共軛二烯共聚物橡膠,亦可使 用乙烯/α·稀烴共聚物橡膠。以下,針對該等進行的細節進 行說明。 <α-彿烴> 用於共聚合物橡膠之α•烯烴係以碳數2至8為佳,單 獨或2種以上混合皆可。就碳數2至8的心烯烴而言,雖 可例示如丙烯、U丁烯、i•己烯、u辛烯等,但特別是可 適宜地使用碳數3之丙烯。 <非共軛二烯> 眾〇物橡膠之非共軛二烯係可使用所有公知 的非共軛二烯,單獨或2種以上混合皆可。可例示如,Μ 二烯、辛二稀、2_甲基#己二烯、"基],5_庚二 環己辛二稀等的鍵狀非共輛二烯化合物、乙烯 r其:眼烯、甲基四氣節、5_乙烯_2-降获烯、5-亞 乙基么降㈣、5-亞甲基_2_降获稀、5_亞異丙基〈降获 201207025 烯、6-氣甲基-5-異丙基-2-降莰烯等的環狀非共軛二烯化合 物。該等之中較佳的非共輛二烯為5-亞乙基-2-降莰烯。 <非共軛二烯的碘價> 藉由將非共軛二烯之碘價設定為35以下,有可抑制 對氧氣劣化之優點。進一步,就材料之耐久性與機械上物 性之平衡的觀點而言,碘價的範圍以0至30為佳,更佳 的範圍為〇至26。 <有機過氧化物> 本發明係以使用有機過氧化物作為交聯劑為特徵。在 與使用其他交聯劑相較之下,因長期耐熱安定性優異, 又,不會因交聯劑滲出而污染其他的材料,而以使用有機 過氧化物為佳。屬一般交聯劑之硫,由於會有喷出至橡膠 表面、腐餘模組内部之金屬材料之情形而不宜。 作為有機過氧化物,可使用雙異苯丙基過氧化物、二 -第三丁基過氧化物、過氧化第三丁基異丙基苯、2,5-二曱 基-2,5-二(第三丁基過氧化)-己烷、2,5-二甲基_2,5_二(第 三丁基過氧化)-己烯、U-雙-第三丁基過氧化-3,3,5-三甲 基環己烷、1,3-雙(第三丁基過氧化異丙基)苯等。在該 等之中,就反應性、氣味、燃燒安定性等等而言,特宜為 2,5-二曱基-2,5-二(第三丁基過氧化)-己烷、2,5-二曱基 -2,5-二(第三丁基過氧化)-己烯、1,3-雙(第三丁基過氧 化異丙基)苯等具有兩個官能基之有機過氧化物。在其中 更以2,5-二曱基-2,5-二(第三丁基過氧化)-己烯為最佳。 又,作為交聯助劑,係可適宜地使用異三聚氰酸三烯丙 201207025 酯、三聚氰酸三烯丙酯、p D_ -纪 P,P—本τ醯笨自 二肟、U·聚丁二烯、三羥f 昆-w p_本醌 二醇二f基丙烯酸酯。 一T基丙烯酸酯、乙 <有機過氧化物的添加量> 本發明之有機過敦化物的添加 膠成分為0.005至0·1莫耳。甚 ’ ;原料橡 自槿钲,#续邺八、、 添加量在該範圍内則可將 自模組邊緣部分進入的濕氣阻擋在 =為橡膠之伸縮性的觀點看來,有機過』二= 量亦以相對於1GGg原料橡膠成分為0.()()5至(U莫耳為 佳。更好的範圍是相對於_原料橡膠成分為001至⑽ 莫耳。 <耐熱安定劑> 在烯烴系橡膠中為了提高财熱性宜含有耐熱安定劑。 作為耐熱安定劑,使用酚系抗氧化劑、或於酚系抗氧 化劑中任意組合亞磷酸酯系抗氧化劑、乙硫醚系抗氧化 劑、胺系抗氧化劑而成者,由於可捕捉從太陽電池模組所 使用之乙稀-乙酸乙烯酉旨共聚樹脂所產生氣體有機過氧化 物的自由基而很適合。其中尤以任意地組合複數種時更為 在使用屬酚系抗氧化劑之一種的受阻酚系抗氧化劑 時,就耐熱性的點而言以分子:t在4GG以上者為佳。即使 在耐熱性的點以外,若分子量未滿權,則會有被飛散、 揮散或接觸之物抽出等的現象。因此,適宜地使用分子量 4〇〇以上者,更佳為分子量5〇〇以上者。又,藉由選擇高 201207025 分子量者亦可發揮提高組成物耐熱性的效果。 作為該種分子量400以上之受阻酚系抗氧化劑,可舉 例如:4,4’-亞曱基-雙-(2,6-二-第三丁基酚)(MW=420)、 3- (3,5-二-第三丁基-4-經苯基)丙酸十八S旨(MW=531) (席巴特製品化學股份有限公司(CIBA SPECIALTY CHEMICALS)製 IRGANOX 1076)、四[3- (3,5-二-第三丁 基_4-羥苯基)丙酸]苯季戊四醇酯(MW=1178)(席巴特製 品化學股份有限公司製IRGANOX 1010)、3,9-雙[2-[3-(3-叔丁基-4-羥基-5-曱笨基)-丙醯氧基]-1,1-二曱基乙 基]-2,4,8,10-四氧雜螺[5.5]十一烷(MW=741)(住友化學 股份有限公司製SumilizerGA-80)等。 亞峨酸酯系抗氧化劑係可舉例如:三_ ( 2,4-二-第三丁 基苯)亞磷酸酯(席巴特製品化學股份有限公司製 IRGAFOS 168、ADEKA 股份有限公司製 ADK STAB 2112 等)或雙-(2,4-二-第三丁基苯)季戊四醇二亞磷酸酯(席 巴特製品化學股份有限公司製IRGAFOS 126、ADEKA股 份有限公司製ADK STAB PEP-24G等)、雙-(2,6-二-第= 丁基-4-曱本基)季戊四醇二亞磷酸輯(ADEKA股份有限 公司製ADK STAB PEP-36)、二硬醋基季戊四醇二亞碟酸 酯(ADEKA股份有限公司製ADK STAB pEp_8、城北化 學工業股份有限公司製JPP-2_等),在抗水解性提高的 點上以具有季戊四醇構造者為佳,且以除了季戊四醇構造 以外、更具有第三丁基的芳香族碳氫基者為特佳。& 乙硫醚系抗氧化劑係可舉例如:2,2_雙({[3_ 201207025 基硫)丙醯基]氧基}甲基)-1,3-丙二醇酯=雙[3-(十二烷 基硫)丙酸酯](ADEKA股份有限公司製ADK STAB AO-412S)或雙十三-1-酿(ditridecan-1-oyl) =3,3,-硫代二 丙酸酯(3,3’-sulfanediyl dipropanoate) ( ADEKA 股份有限 公司製 ADK STAB AO-503 )等。
I 胺系抗氧化劑係可列舉如:二苯胺或苯_α_萘胺等的芳 香族胺系。該等係可在不損及本發明效果的範圍内與上述 受阻酚系或亞磷酸酯系抗氧化劑併用。 <其他的添加劑> 在本發明之墊圈材中,亦可視需要使用其他的添加 劑。作為添加劑的具體例,可例示如發泡劑、發泡助劑、 補強劑、無機充填劑、軟化劑、安定劑、加工助劑、可塑 劑、著色劑、交聯用的觸媒、顏料、紫外線吸收劑、難燃 劑、及反應抑制劑等》該等添加劑之種類及含有量係適當 地選擇。 <合成橡膠> 使用的乙烯/(X-烯烴/非共軛二烯共聚物橡膠係藉由公 知的方法所製得的合成橡膠。可例示如三井化學股份有限 公司製的 ΕΡΤ-4010、ΕΡΤ-4070 及 ΕΡΤ-Κ9720 等。 <墊圈部材的成形方法> 塾圈部材的成形係可藉由輪壓成形、射出成形、擠製 成形、壓縮成形、真空成形等迄今所知的各種成形方法來 成形。再者,擠製成形法由於可連續成形,並可在收捲狀 態下獲得製品,故特別適宜地受到應用。 12 201207025 以下,利用實施例進一步詳細地說明本發明,但本發 明非受該等所限定者。 實施例1 在100質量份的EPDM系橡膠(三井化學股份有限公 司製EPT 4070)中,添加氧化鋅5質量份、硬脂酸1質量 份、碳黑90質量份、加工油(出光興產股份有限公司製 PW380 ) 60質量份、作為耐熱安定劑之屬盼系抗氧化劑的 四[3- (3,5_二-第三丁基-4-羥苯基)丙酸]苯季戊四醇酯 (MW=1178 乂席巴特製品化學股份有限公司製IRGANOX 1010) 0.1質量份、胺系抗氧化劑(川口化學工業股份有 限公司製ANTAGE RD) 0.1質量份,以50L混練機混練 15分鐘,而製得混合物。從溫度變為90°C以下開始,將 2,5-二曱基-2,5-二-(第三丁基過氧化)己烷作為交聯劑以 相對於每100g之EPDM系橡膠0.015mol的量配入,作成 厚度1mm之未交聯橡膠薄片。 實施例2〜3、比較例2〜4 除了原料橡膠及配入原料橡膠之各種物質的種類及 量如表1變化以外,以與實施例相同的方法作成未交聯橡 膠薄片。 比較例1 以硫(S8)來取代2,5-二曱基·2,5·二(第三丁基過氧 化)己烧作為交聯劑,令交聯劑的添加量相對於每100質 量份EPDM系橡膠為0.5質量份之後,配入1.5質量份甲 硫碳醯胺系硫化促進劑(大内新興化學工業股份有限公司 13 201207025 NOCCELERTT)、1.0質量份甲硫碳醯胺系硫化促進劑(大 内新興化學工業股份有限公司NOCCELER TRA )作為交 聯促進劑,除此之外’以與實施例1相同的方法作成未交 聯橡膠薄片。 比較例5 使用氣平橡膠取代EPDM系橡膠作為橡膠成分,以硫 (S8)取代2,5_二甲基-2,5-二·(第三丁基過氧化)己烷作 為交聯劑,令交聯劑的添加量相對於每1〇〇質量份之氯平 橡膠為0.5質量份,並相對於每1〇〇質量份氯平橡膠添加 脈系硫化促進劑(大内新興化學工業股份有限公司 NOCCELER DT) 1.0質量份、甲硫碳醯胺系硫化促進劑(大 内新興化學工業股份有限公司G質量份 2為交聯促進劑。又’相對於每1GG質量份氣平橡膠, 县a 巧105質量份、硬脂酸的添加量為0.5質 量伤、加工油的添加 相同的方法來作成未交聯橡膠 薄片 劑。咚, 加量為20質量份。又,不添加抗氧化 劑除此之外以與實施例! <水密性的評價> 1 u斤製得之厚度lmm的未交聯橡膠薄片 方的薄片 寬5mm的口 切出10cm正 § *專片切去同心之9cm正方的四角形,得到 片爽入, 使未架橋橡膠的厚 類的橡膠以下述的條4 該口字形橡膠ST:薄片。使用一邊―正方的玻璃將 λ ·且不使其超出,以夾子夾合4頂 為0.95mm。在該狀態下將各種 為 0.95mm 行交聯反應 201207025 乙烯/α-烯烴/非共軛二烯共聚物橡膠之有機過氧化物交 聯: 180°C xl5 分鐘 乙烯/α-烯烴/非共輛二烯共聚物橡膠之硫交聯: 160°〇20 分鐘 氣平橡膠: 150°C x30 分鐘 冷卻至室溫後,在150°C下進行168小時的熱處理,在變 為室溫時,安置於Athena水壓試驗機(Athena工央製) 内,以水壓1 〇kg/cm2進行水密性的評價。此時向太陽能電 池模組内部之水的浸入情形以下述的評價基準來評價。 ' 1 :自端面起至20mm的位置為止水全面地浸入。 2:自端面起至20mm的位置為止水以水滴狀的方式 附著。 3 :自端面起至20mm的位置為止完全沒有水的浸入。 <交聯反應> 藉由使用未交聯橡膠薄片來熱壓,以下述條件來作成 厚度2mm的薄片並進行蕭式A型硬度的測定。 乙烯/α-烯烴/非共軛二烯共聚物橡膠之有機過氧化物交 聯: 180°〇15 分鐘 乙烯/α-烯烴/非共輛二烯共聚物橡膠之硫交聯: 160°C x20 分鐘 氣平橡膠: 15 201207025 150°C><30 分鐘 <蕭式A型硬度的測定> 蕭式A型硬度係依據JIS K 6253所測定而得之值。測 定在25°C時的蕭式A型硬度與在-25°C時的蕭式A型硬 度’將其各設為H25t、H-25。。之值。 在-25°C時的蕭式A型硬度之測定係使用硬度計也放 置於-25t環境下者,在-25°C環境下測定而得者。 <熱老化性的評價> 墊圈部材可配合太陽能電池模組的厚度及形狀作成 短管口( mouthpiece ),並利用依060mm橡膠用押出機、 UHF加硫槽及HAV加硫槽之順序直列配列而成之連續交 聯成形生產線,將生產條件設為:捲取速度3.5m/min、UHF 加硫槽溫度230°C、輸出2kW、HAV加硫槽溫度250°C, 藉由將未交聯橡膠交聯成形來生產墊圈部材。熱老化性試 驗樣本係使用將由實施例1〜3、比較例1〜5之組成所構 成之混合物以與上述相同的條件/裝置,藉開口部之形狀為 直徑1 mm之圓形的短管口成形為圓棒狀者。熱老化性係 可使用下述(式3)由在150°C下經72小時熱處理後之(EBa) 與熱處理前的斷裂伸度(EBb)來表示。再者,斷裂伸度的 測定係依據JIS K 6251來進行測定。 (熱老化性)=(EBb-EBa) /EBb (式 3) 201207025 I<
«〇 睁 Φ 〇 1-Μ S *Τ) ο 1 1 1 »Τί d 〇 ON o CN ΓΟ 寸 ® w i sfr ^ /-N W Φ 〇 1—Η ο Ο Τ-Η 1-^ s fS d 1 <N (Ν v〇 d fO ro 粲 ”1 ^ O'·—· g « H朱孩 〇 F—< ο τ—^ Ο *η «-^ •丨 < ΓΛ 8 d 1 rvi 00 守 d in fS 〇2 ο * 1雄· ㈠A W % ¢4 〇 S S <Λ Ι-Η r-^ t-^ 1-^ o o. d 1 VO *n d r-H i>| /—\ ^赵 〇 W 1谢' E-π ^ 8 1-^ 8 in 1—< r-H o 1 d 1-H s 00 d rn i—· CO ίΐ| »—Ν ο ^ 1 efr S ί Ο »—Η § g 1-^ s 〇 1 m o rs CS 恥 §扑 。,丨s S ww Ο g ο */Ί 1-^ I—^ r—H s d 1 cn o t-^ (N 'll ^ 1谢' Η Φ ¢4 ο 1-^ S S in r**H t-H in 1—H o d 1 m s cs o ro « 梁1 餘 /~ν Φ φ| Μ /—Ν φ φ4 δ^ 念 φ| Η s φΐ 敬 /^-N φΐ 麵iC U|L> ΦΙ 狭 Jj ^ 洛 中4 ai ^ 5拿 锘 /^N B ¥ 〆 « r~\ φ| 00 00 楔 cs W S /^\ S w 'wf 匕 X \ ffi 餘Φ ^ W Jj -vr *^r 藓 W 以實施例1〜3的條件所作成之橡膠成形體水密性 高,藉由使用該素材作成太陽能電池模組用墊圈部材可提 17 201207025 高太陽能電池模組的耐久性。又,由於蕭式A型硬度之值 適正之故,大幅提高墊圈部材的生產性及使用性。此外, 藉由依此來構成橡膠成形體,可提供—種太陽能電池模 組’係由於(EBb-EBa) / EBb值小故耐熱性優異,Η。。。/H抓 值小故對溫度變化之耐性強者。 由比較例1可知,若於交聯劑中使用硫,則無法賦予 橡膠成形體水祕。若無法賦予水密性,則太陽能電池模 組的耐水性差,而無法圖謀太陽能電池触的耐久性之提 高。又,比較例1之橡膠成形體係(EBb_EBa) /EBb值大, 容易傾向因熱劣化者。 由比較例2〜4可知,若交聯劑的添加量不適正,則 無法賦予_成形體水密性。又,比_ 2〜4之橡膠成 形體係(EBb-EBa)/EBb值大,容易傾向因熱劣化者。此外, 以比較例3〜4之條件所作成之橡膠非料A财度之值 適正者,若以該構成來作成㈣部材則生產性及使用性均 會降低。 比較例5的橡膠成形體係蕭式A型硬度之值適正者, 因於橡膠成分巾使用氣平橡膠、於交㈣巾使用硫之故, 無法賦予水密性。又,其係(EBb_EBa) /Eja,容易傾 向因熱劣化者。 因此,藉由構成如本發明之太陽能電池模組用墊圈部 材,可提供一種耐久性、生產性高的墊圈部材,及耐久性、 生產性高的太陽能電池模組。 201207025 【圖式簡單說明】 (無) 【主要元件符號說明】 (無)
Claims (1)
- 201207025 七、申請專利範圍: 1、 一種太陽能電池模組用墊圈部材,係以乙烯/α_稀煙/非 共輛一稀共聚物橡膠為原料橡膠成分者,其中前述 烯/α-烯烴/非共軛二烯共聚物橡膠係藉由有機過氧化 物進行了交聯;且前述有機過氧化物的添加量相對於 每l〇〇g前述乙烯/α-烯烴/非共軛二烯共聚物橡膠為 0.005〜O.lmol。 2、 如申請專利範圍第1項之太陽能電池模組用墊圈部材, 其中在25°C時之蕭式A型硬度之值為30至80。 3、 如申請專利範圍第1或2項之太陽能電池模組用墊圈 部材,其中在-25°C時之蕭式A型硬度之值(H_25.c)與 25°C時之蕭式A型硬度之值(H25t)係滿足下述(式1): 1-〇< H.25t/ H25t<3.0 (式 1)。 4、 如申請專利範圍第1至3項任一項之太陽能電池模組 用墊圈部材’在150°C下經72小時之熱處理後的斷裂 伸度(EBa)與處理前的斷裂伸度(EBb)符合下述(式 2): 〇< (EBb-EBa) /EBb<0.3 (式 2 ) 0 5 一種太陽能電池模組,係利用如申請專利範圍第1至4 項任一項之太陽能電池模組用塾圈部材者。 201207025 四、 指定代表圖: (一) 本案指定代表圖為:無。 (二) 本代表圖之元件符號簡單說明: 無 五、 本案若有化學式時,請揭示最能顯示發明特徵的化 學式:
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