TW201331034A - 具有聚醯胺及聚酯層之多層薄膜於製造光伏打模組上之用途 - Google Patents
具有聚醯胺及聚酯層之多層薄膜於製造光伏打模組上之用途 Download PDFInfo
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- TW201331034A TW201331034A TW101137464A TW101137464A TW201331034A TW 201331034 A TW201331034 A TW 201331034A TW 101137464 A TW101137464 A TW 101137464A TW 101137464 A TW101137464 A TW 101137464A TW 201331034 A TW201331034 A TW 201331034A
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- polyamine
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Abstract
一種具有良好層黏著之光伏打模組,其係使用多層膜作為後蓋板來製造,該多層膜包含以下的層:a)聚醯胺模塑組成物之面向太陽能電池的層,c)聚酯模塑組成物的中間層,及e)聚醯胺模塑組成物的外層,其中該等層之間的黏著係由選自下列之措施而產生:1.將0.1至60重量%之聚胺-聚醯胺接枝共聚物添加至根據a)的層及/或根據e)的層中;2.將0.1至30重量%之聚胺-聚醯胺接枝共聚物添加至根據c)的層中;3.將黏著促進層導入根據a)與c)的層之間及/或根據c)與e)的層之間,該黏著促進層的模塑組成物包含達到0.1至100重量%之程度的聚胺-聚醯胺接枝共聚物。
Description
本發明關於具有聚醯胺及聚酯層之多層薄膜於製造光伏打模組上之用途。
也常被稱為光伏打模組的太陽能模組適用於自日光發電且由包含太陽能電池系統作為核心層之層合板所組成。此核心層係由充當為免於機械和氣候相關影響的防護之封裝材料包封。
活性太陽能電池在此係介於前蓋板與後蓋板之間。前蓋板為透明且通常由玻璃所組成;其係利用常由乙烯-乙酸乙烯酯共聚物所組成的黏著促進層黏合至包含太陽能電池之層。後蓋板保證電遮蔽且充當為免於氣候影響(諸如UV光)的防護及水氣阻障層。
由氟聚合物膜與聚酯所組成的膜複合物目前用作為後蓋板的標準物。在外部之氟聚合物膜保證耐候性、聚酯膜機械穩定性及所欲電絕緣性質。在內部之另外的氟聚合物膜適用於附著至太陽能電池系統的密封層。然而,此等氟聚合物膜對用作為太陽能電池本身的包埋材料之密封層僅具有低黏著。另外,氟聚合物膜僅貢獻低微程度的電絕緣性,其導致必須使用比較厚的聚酯膜。
WO 2008138022因此提出以耐綸-12(PA12)膜替換在此等複合物中的兩種氟聚合物膜。在其發展中,WO
2011066595提出太陽能電池面向之熱塑性層包含光反射填料,諸如二氧化鈦,而太陽能電池遠離之熱塑性層包含第二填料,諸如玻璃纖維、矽灰石或雲母,其造成此層較高的導熱性。例證之熱塑物係出自於聚醯胺、聚酯或聚醯胺與聚烯烴之摻合物的群組。明確述及的是PA11、PA12和PA1010,及其與聚烯烴之摻合物。
然而,此等熱塑性組合達不到足夠的層黏著,且應特別述及聚酯與聚醯胺之組合。
本發明的目的係出於此目的而提供黏著促進辦法,其確保在複合物的整個使用壽命期間於層之間牢固的黏著,亦即超過20年期間,與所有的大氣影響無關。
EP 1 065 048 A2說明由不可相容之聚醯胺及/或聚酯所組成的多層膜複合物,該等係經由黏著促進層而互相黏合。黏著促進層包含由聚胺部分及接枝之聚醯胺鏈所組成的接枝共聚物。
然而,此文件未證明接枝共聚物亦可用於除了黏著促進層以外的功能性層,及未證明亦有可能改進在包含大量填料的層之間的黏著。此外,此文件亦未揭示當對應之膜暴露於氣候下時的狀況,在此特殊應用的例子中,黏著程度在多年過程期間會改變。
此目的係藉由使用多層膜作為光伏打模組之後蓋板而達成,該多層膜包含以下的層:
a)模塑組成物之面向太陽能電池的層,該模塑組成物包含在各例子中以整體模塑組成物為基準計至少35重量%,較佳為至少40重量%,更佳為至少45重量%,尤其佳為至少50重量%,而最佳為至少55重量%之聚醯胺含量,c)模塑組成物的中間層,該模塑組成物包含在各例子中以整體模塑組成物為基準計至少35重量%,較佳為至少40重量%,更佳為至少45重量%,尤其佳為至少50重量%,而最佳為至少55重量%之熱塑性聚酯比率,及e)模塑組成物的外層,該模塑組成物包含在各例子中以整體模塑組成物為基準計至少35重量%,較佳為至少40重量%,更佳為至少45重量%,尤其佳為至少50重量%,而最佳為至少55重量%之聚醯胺含量,且在根據a)與c)的該等層之間及在根據c)與e)的該等層之間的黏著係藉由選自下列的措施而產生:1.將聚胺-聚醯胺接枝共聚物添加至根據a)的層及/或根據e)的層中,其添加量係使得該等層各包含以各自的模塑組成物為基準計0.1至60重量%,在各情況中較佳為1至50重量%,而在各情況中更佳為3至40重量%之聚胺-聚醯胺接枝共聚物;2.將聚胺-聚醯胺接枝共聚物添加至根據c)的層中,其添加量係使得此層包含以模塑組成物為基準計0.1至30重量%,而較佳為1至20重量%之聚胺-聚醯胺接枝共聚物;3.將黏著促進層b)導入根據a)與c)的層之間及/或將黏著
促進層d)導入根據c)與e)的層之間,黏著促進層或兩種黏著促進層係由包含以下組份之模塑組成物所組成:I. 0.1至100重量%,較佳為1至75重量%,更佳為3至50重量%,而尤其佳為4至40重量%之聚胺-聚醯胺接枝共聚物,II. 0至99.9重量%,較佳為12.5至99重量%,更佳為25至97重量%,而尤其佳為30至96重量%之聚醯胺,III. 0至99.9重量%,較佳為12.5至99重量%,更佳為25至97重量%,而尤其佳為30至96重量%之熱塑性聚酯,及IV. 0至40重量%,而較佳為0.1至30重量%之添加劑,其係選自衝擊改質橡膠和標準助劑及摻合物,其中百分比在各例子中係相對於整體模塑組成物,其先決條件為聚胺-聚醯胺接枝共聚物係使用以下單體而製得:a)以接枝共聚物為基準計0.5至25重量%,較佳為1至20重量%,而更佳為1.5至16重量%之具有至少4個,較佳為至少8個,而更佳為至少11個氮原子的聚胺,及b)選自內醯胺、ω-胺基羧酸及/或二胺與二羧酸的等莫耳組合物之聚醯胺形成用單體。
因此,可想見各種具體例:在第一具體例中,多層膜包含直接連續之根據a)、c)和e)的層。根據a)的層之模塑組成物及根據e)的層之模
塑組成物二者包含根據措施1之聚胺-聚醯胺接枝共聚物量。
在第二具體例中,多層膜包含直接連續之根據a)、c)和e)的層。根據c)的層之模塑組成物包含根據措施2之聚胺-聚醯胺接枝共聚物量。
在第三具體例中,多層膜包含直接連續之根據a)、b)、c)、d)和e)的層。根據b)和d)的層為具有如措施3中所述之組成物的黏著促進層。
在第四具體例中,多層膜包含直接連續之根據a)、c)、d)和e)的層。根據a)的層之模塑組成物包含根據措施1之聚胺-聚醯胺接枝共聚物量。根據d)的層為具有如措施3中所述之組成物的黏著促進層。
在第五具體例中,多層膜包含直接連續之根據a)、b)、c)和e)的層。根據e)的層之模塑組成物包含根據措施1之聚胺-聚醯胺接枝共聚物量。根據b)的層為具有如措施3中所述之組成物的黏著促進層。
除非另有其他陳述,後續的更多細節同樣地應用於所有該等具體例。
聚醯胺可為部分結晶性聚醯胺,例如PA6、PA66、PA610、PA612、PA10、PA810、PA106、PA1010、PA11、PA1011、PA1012、PA1210、PA1212、PA814、PA1014、PA618、PA512、PA613、PA813、PA914、PA1015、PA11、PA12或稱為聚酞醯胺(PPA)之半芳族聚醯胺(聚醯胺之命名係對應於國際標準,前面的數字(等)
表示起始二胺的碳原子數目及最後的數字(等)表示二羧酸的碳原子數目。若只提到1個數字,此意指起始材料為α,ω-胺基羧酸或自其衍生之內醯胺;其餘部分參考H.Domininghaus,Die Kunststoffe und ihre Eigenschaften[The polymers and their properties],pages 272 ff.,VDI-Verlag,1976)。適合的PPA為例如PA66/6T、PA6/6T、PA6T/MPMDT(MPMD代表2-甲基五亞甲基二胺)、PA9T、PA10T、PA11T、PA12T、PA14T和該等後者類型與脂族二胺及脂族二羧酸或與ω-胺基羧酸或內醯胺之共聚縮合物。部分結晶性聚醯胺具有超過25焦耳/公克之熔化焓,其係在第二加熱步驟中根據ISO 11357之DSC方法及熔融峰積分所測量。
聚醯胺亦可為半結晶性聚醯胺。半結晶性聚醯胺具有4至25焦耳/公克之熔化焓,其係在第二加熱步驟中根據ISO 11357之DSC方法及熔融峰積分所測量。適合的半結晶性聚醯胺之實例為:-1,10-癸二酸或1,12-十二烷二酸及4,4’-二胺基二環己基甲烷(PA PACM10和PA PACM12)之聚醯胺,來自具有35至65%之反,反異構物含量的4,4’-二胺基二環己基甲烷;-以前述部分結晶性聚醯胺為底質的共聚物;及-前述部分結晶性聚醯胺與可相容之非晶形聚醯胺的摻合物。
聚醯胺亦可為非晶形聚醯胺。非晶形聚醯胺具有少於
4焦耳/公克之熔化焓,其係在第二加熱步驟中根據ISO 11357之DSC方法及熔融峰積分所測量。非晶形聚醯胺之實例為:-對苯二甲酸及/或間苯二甲酸及2,2,4-與2,4,4-三甲基六亞甲基二胺的異構物混合物之聚醯胺,-間苯二甲酸及1,6-六亞甲基二胺之聚醯胺,-對苯二甲酸/間苯二甲酸與1,6-六亞甲基二胺之混合物的共聚醯胺,隨意地在與4,4’-二胺基二環己基甲烷之混合物中,-對苯二甲酸及/或間苯二甲酸、3,3’-二甲基-4,4’-二胺基二環己基甲烷及月桂內醯胺或己內醯胺之共聚醯胺,-1,12-十二烷二酸或癸二酸、3,3’-二甲基-4,4’-二胺基二環己基甲烷及隨意的月桂內醯胺或己內醯胺之(共)聚醯胺,-間苯二甲酸、4,4’-二胺基二環己基甲烷及月桂內醯胺或己內醯胺之共聚醯胺,-1,12-十二烷二酸及4,4’-二胺基二環己基甲烷(在低的反,反異構物含量之例子中)之聚醯胺,-對苯二甲酸及/或間苯二甲酸及經烷基取代之雙(4-胺基環己基)甲烷同系物之(共)聚醯胺,隨意地在與六亞甲基二胺之混合物中,-隨意地與另外的二胺一起的雙(4-胺基-3-甲基-5-乙基環己基)甲烷及隨意地與另外的二羧酸一起的間苯二甲酸之共聚醯胺,
-間-伸二甲苯二胺與另外的二胺(例如,六亞甲基二胺)之混合物及隨意地與另外的二羧酸(例如,對苯二甲酸及/或2,6-萘二羧酸)一起的間苯二甲酸之共聚醯胺,-雙(4-胺基環己基)甲烷與雙(4-胺基-3-甲基環己基)甲烷之混合物及具有8至14個碳原子的脂族二羧酸之共聚醯胺,及-包含1,14-十四烷二酸與芳族、芳基脂族或環脂族二胺的混合物之聚醯胺或共聚醯胺。
該等實例可藉由添加另外的組份(例如,己內醯胺、月桂內醯胺或二胺/二羧酸組合)或藉由以其他組份部分或完全替換起始組份而達到非常重大程度的改變。
聚醯胺亦可為聚醚酯醯胺或聚醚醯胺。聚醚酯醯胺係例如從DE-A-25 23 991和DE-A-27 12 987已知;該等含有聚醚二醇作為共單體。聚醚醯胺係例如從DE-A-30 06 961已知;該等含有聚醚二胺作為共單體。
在聚醚二醇或聚醚二胺中,聚醚單元可以例如1,2-乙二醇、1,2-丙二醇、1,3-丙二醇、1,4-丁二醇或1,3-丁二醇為底質。聚醚單元亦可具有混合型結構,例如具有源自二醇之單元的無規或嵌段式分布。聚醚二醇或聚醚二胺之重量平均莫耳質量為200至5000公克/莫耳,而較佳為400至3000公克/莫耳;其在聚醚酯醯胺或聚醚醯胺中的比率較佳為4至60重量%,而更佳為10至50重量%。適合的聚醚二胺係藉由對應之聚醚二醇以還原胺化作用或與丙烯腈偶合及接著氫化而獲得;該等在市場上可自例如Huntsman
Corp.以JEFFAMINE® D或ED類型或ELASTAMINE®類型之形式或自BASF SE以聚醚胺D系列之形式取得。若使用支鏈聚醚醯胺,則亦有可能另外使用較少量的聚醚三胺,例如JEFFAMINE® T產品。優先選擇使用在鏈中以每個醚氧原子計含有平均至少2.3個碳原子的聚醚二胺或聚醚三胺。根據本發明,以聚醚醯胺較佳,由於更好的水解抗性。
有用的熱塑性聚酯包括直鏈熱塑性聚酯。該等係藉由二醇與二羧酸或其聚酯形成衍生物(諸如二甲基酯)之聚縮合反應而製得。適合的二醇具有式HO-R-OH,其中R為具有2至40個,而較佳為2至12個碳原子的二價支鏈或非支鏈脂族及/或環脂族基團。適合的二羧酸具有式HOOC-R’-COOH,其中R’為具有6至20個,而較佳為6至12個碳原子的二價芳族基團。
二醇的實例包括乙二醇、三亞甲基二醇、四亞甲基二醇、六亞甲基二醇、新戊二醇、環己烷二甲醇和C36二醇二聚物二醇。二醇可單獨使用或成為二醇混合物使用。至多25莫耳%之所述二醇可以具有以下通式之聚伸烷基二醇(polyalkylene glycol)替換:
其中R”為具有2至4個碳原子的二價基團及x可假定為
從2至50之值。
有用的芳族二羧酸之實例包括對苯二甲酸、間苯二甲酸、1,4-、1,5-、2,6-或2,7-萘二羧酸、聯苯二甲酸(diphenic acid)和二苯醚4,4’-二羧酸。至多30莫耳%之該等二羧酸可以脂族或環脂族二羧酸替換,例如丁二酸、己二酸、癸二酸、十二烷二酸或環己烷-1,4-二羧酸。
適合的聚酯之實例包聚對苯二甲酸乙二醇酯、聚對苯二甲酸丙二醇酯、聚對苯二甲酸丁二醇酯、聚2,6-萘二甲酸乙二醇酯、聚2,6-萘二甲酸丙二醇酯和聚2,6-萘二甲酸丁二醇酯。
該等聚酯之製備作用構成先前技藝的一部分(DE-A 24 07 155、24 07 156;Ullmanns Encyclopädie der technischen Chemie,4th ed.,Vol.19,pages 65 ff.,Verlag Chemie,Weinheim,1980)。
在聚胺-聚醯胺接枝共聚物中所使用之聚胺可為例如以下的物質類別:-聚乙烯基胺(Römpp Chemie Lexikon,9th edition,volume 6,page 4921,Georg Thieme Verlag Stuttgart 1992);-自交替聚酮製備之聚胺(DE-A 196 54 058);-樹枝狀聚合物,例如((H2N-(CH2)3)2N-(CH2)3)2-N(CH2)2-N((CH2)2-N((CH2)3-NH2)2)2(DE-A-196 54 179)或參(2-胺基乙基)胺、N,N-雙(2-胺基乙基)-N’,N’-雙[2-[雙(2-胺基乙基)胺基]乙基]-1,2-乙二胺、3,15-雙(2-胺基乙
基)-6,12-雙[2-[雙(2-胺基乙基)胺基]乙基]-9-[2-[雙[2-雙(2-胺基乙基)胺基]乙基]胺基]乙基]-3,6,9,12,15-五氮雜十七烷-1,17-二胺(J.M.Warakomski,Chem.Mat.1992,4,1000-1004);-可藉由4,5-二氫-1,3-噁唑之聚合反應及接著水解而製備之直鏈聚伸乙基亞胺(Houben-Weyl,Methoden der Organischen Chemie[Methods of Organic Chemistry],Volume E20,pages 1482-1487,Georg Thieme Verlag Stuttgart,1987);-藉由吖環丙烷(aziridine)之聚合反應可獲得的支鏈聚伸乙基亞胺(Houben-Weyl,Methoden der Organischen Chemie,Volume E20,pages 1482-1487,Georg Thieme Verlag Stuttgart,1987),且其通常具有以下的胺基分布:25至46%之一級胺基,30至45%之二及胺基,及16至40%之三級胺基。
在較佳的例子中,聚胺具有不超過20000公克/莫耳,更佳為不超過10000公克/莫耳,而尤其佳為不超過5000公克/莫耳之數量平均分子量Mn。
用作為聚醯胺形成用單體之內醯胺或ω-胺基羧酸含有4至19個,而尤其為6至12個碳原子。特別優先選擇使用己內醯胺、ω-胺基己酸、辛內醯胺、ω-胺基辛酸、月桂內醯胺、ω-胺基十二酸及/或ω-胺基十一酸。
二胺與二羧酸之組合為例如六亞甲基二胺/己二酸、
六亞甲基二胺/十二烷二酸、八亞甲基二胺/癸二酸、十亞甲基二胺/癸二酸、十亞甲基二胺/十二烷二酸、十二亞甲基二胺/十二烷二酸和十二亞甲基二胺/2,6-萘二羧酸。另外,亦有可能使用所有其他的組合,諸如十亞甲基二胺/十二烷二酸/對苯二甲酸、六亞甲基二胺/己二酸/對苯二甲酸、六亞甲基二胺/己二酸/己內醯胺、十亞甲基二胺/十二烷二酸/ω-胺基十一酸、十亞甲基二胺/十二烷二酸/月桂內醯胺、十亞甲基二胺/對苯二甲酸/月桂內醯胺或十二亞甲基二胺/2,6-萘二羧酸/月桂內醯胺。
在較佳的具體例中,接枝共聚物係使用選自在各例子中以其餘的聚醯胺形成用單體總和為基準計0.015至約3莫耳%之二羧酸及0.01至約1.2莫耳%之三羧酸之寡羧酸而另外製得。在此基礎上,在二胺與二羧酸之等效組合中的每個該等單體係經個別考慮。在此方式中,聚醯胺形成用單體全部具有略過量的羧基。當使用二羧酸時,則較佳地添加0.03至2.2莫耳%,更佳為0.05至1.5莫耳%,甚至更佳為0.1至1莫耳%,而尤其為0.15至0.65莫耳%;若使用三羧酸,則較佳地取用0.02至0.9莫耳%,更佳為0.025至0.6莫耳%,甚至更佳為0.03至0.4莫耳%,而尤其為0.04至0.25莫耳%。額外使用的寡羧酸無疑地改進水解抗性及應力破裂抗性。
所使用之寡羧酸可為任何所欲具有6至24個碳原子的二-或三羧酸,例如己二酸、辛二酸、壬二酸、癸二酸、十二烷二酸、間苯二甲酸、2,6-萘二羧酸、環己烷-
1,4-二羧酸、均苯三甲酸及/或偏苯三甲酸。
另外,若必要時,可使用經脂族、脂環族、芳族、芳烷基及/或烷芳基取代之具有3至50個碳原子的單羧酸作為調節劑,例如月桂酸、不飽和脂肪酸、丙烯酸或苯甲酸。可使用該等調節劑降低胺基濃度,而不更改分子架構。另外,有可能以此方式導入官能基,諸如雙或三鍵等。然而,希望接枝共聚物具有相當大比率之胺基。在較佳的具體例中,接枝共聚物之胺基濃度係在從100至2500毫莫耳/公斤之範圍內,更佳在從150至1500毫莫耳/公斤之範圍內,尤其佳在從250至1300毫莫耳/公斤之範圍內,而最佳在從300至1100毫莫耳/公斤之範圍內。應瞭解在此及下文之胺基意指不只為末端胺基,並亦為存在於聚胺中的任何二級或三級胺基官能基。
本發明的接枝共聚物可以各種方法製備。
一種選擇為最初將內醯胺或ω-胺基羧酸與聚胺一起進料及進行聚合反應或聚縮合反應。寡羧酸可在反應開始時或過程中添加。
然而,較佳的方法包含在兩階段方法中先進行在水存在下的內醯胺裂解及預聚合(另一選擇地,直接使用或預聚合對應之ω-胺基羧酸或二胺及二羧酸);在第二步驟中添加聚胺,而額外使用之任何寡羧酸係在預聚合之前、期間或之後計量添加。接著將混合物在介於200與290℃之溫度下降壓且在氮氣流中或減壓下聚縮合。
另外較佳的方法包含將聚醯胺水解降解成預聚物及同
時或接著與聚胺反應。優先選擇使用聚醯胺,其中端基差接近於0,或其中已藉由聚縮合反應併入額外使用之任何寡羧酸。寡羧酸亦可在降解反應開始時或過程中添加。
可使用該等方法製備具有酸值低於40毫莫耳/公斤,較佳為低於20毫莫耳/公斤,而更佳為低於10毫莫耳/公斤之超高度支鏈聚醯胺。甚至在200℃至290℃之溫度下1至5小時的反應時間之後,達成幾乎完全轉化。
若必要時,可接著在另外的方法步驟中持續數小時的真空期。此在200至290℃下持續至少4小時,較佳為至少6小時,而更佳為至少8小時。在數小時的誘導期之後,接著觀察到熔融黏度增加,其可歸因於末端胺基互相的反應係隨著氨的消除及鏈鍵聯而發生之事實。結果進一步增加分子量,此尤其對擠壓用模塑組成物是有利的。
若不意欲以熔融進行至完全反應,則依照先前技藝,亦可將超高度支鏈聚醯胺以固相後縮合。
根據a)的層之模塑組成物可包含前述聚醯胺中之一或其複數種的混合物。另外,可以模塑組成物之總聚合物含量為基準計有至多40重量%之其他熱塑物的存在,例如衝擊改質橡膠或聚烯烴,諸如聚乙烯或聚丙烯。依照先前技藝,任何存在的橡膠或聚烯烴較佳地包含官能基,以其獲得與聚醯胺基質的相容性。另外,可有習用於聚醯胺之助劑和添加劑的存在,尤其為光及/或熱穩定劑,或較佳亦為光反射填料,例如二氧化鈦(WO 2011066595)。在第一和第四具體例中,應考慮根據申請專利範圍之聚醯胺含量
亦包括聚胺-聚醯胺接枝共聚物之聚醯胺含量。
根據c)的層之模塑組成物可包含前述聚酯中之一或其複數種的混合物。另外,可在各例子中以模塑組成物之整體聚合物含量為基準計有至多50重量%,而較佳為至多40重量%之其他熱塑物的存在,例如衝擊改質橡膠或聚烯烴,諸如聚乙烯或聚丙烯,或在第二具體例之例子中的聚胺-聚醯胺接枝共聚物。依照先前技藝,任何存在的橡膠或聚烯烴較佳地包含官能基;有可能另外或選擇於其中添加相容劑。另外,可有習用於聚酯之助劑和添加劑的存在,尤其為光及/或熱穩定劑、光反射填料(例如,二氧化鈦)和強化填料(例如,玻璃纖維、矽灰石或雲母)。
關於根據e)的層之模塑組成物,可應用與根據a)的層之模塑組成物相同者,而關於填料,亦可應用與根據c)的層之模塑組成物相同者。另外,根據e)的層之模塑組成物可著色及/或具有消光劑。
各個膜層通常具有下列厚度:.根據a)和e)的層:15至100微米,而較佳為25至50微米;.根據c)的層:100至500微米,而較佳為150至400微米;.根據b)和d)的層:3至40微米,而較佳為5至25微米。
依照本發明所使用之多層膜可以所有的先前技藝方法製造,例如共擠壓或層合。將多層膜黏合至太陽能電池埋
入其中的密封層,例如藉由層合或黏接。由於在根據a)的層中之聚醯胺含量,在層合的例子中獲得與密封層良好的黏著。所使用之密封層可為根據先前技藝常使用之任何材料。
本發明亦提供使用根據申請專利範圍的多層膜所製造之光伏打模組。
本發明係以下文之實例方式例證。下列的模塑組成物係出於此目的而製造;〝份〞通常為重量份:
將79.25份VESTAMID® L1901 nf(PA12)、0.5份IRGANOX® 1098(位阻酚抗氧化劑)、0.2份TINUVIN® 312(UV吸收劑)與20份二氧化鈦Sachtleben R 420在220℃之機筒溫度下藉助雙軸擠壓機(Coperion Werner & Pfleiderer ZSK 25 WLE,36 L/D)而混合。將擠壓物藉助水浴而冷卻且切碎;接著將小粒在熱風烘箱中以80℃經12小時乾燥。
將69.25份VESTAMID® L1901 nf、10份聚胺-聚醯胺接枝共聚物(根據EP 1 065 236 A2,從87.063重量%之月桂內醯胺、0.164重量%之十二烷二酸、8.205重量%之50% Lupasol® G 100、0.010重量%之50%次磷酸及4.558
重量%之去礦質水而製得)、0.5份IRGANOX® 1098、0.2份TINUVIN® 312與20份二氧化鈦Sachtleben R 420在220℃之機筒溫度下藉助雙軸擠壓機(Coperion Werner & Pfleiderer ZSK 25 WLE,36 L/D)而混合。將擠壓物藉助水浴而冷卻且切碎;接著將小粒在熱風烘箱中以80℃經12小時乾燥。
將35.5份VESTAMID® L1901 nf、44.0份VESTODUR® 3000(PBT)、20份TEC 110高嶺土、0.25份IRGAFOS® 168(加工穩定劑)與0.25份IRGANOX® 1010(位阻酚抗氧化劑)在260℃之機筒溫度下藉助雙軸擠壓機(Coperion Werner & Pfleiderer ZSK 25 WLE,36 L/D)而混合。將擠壓物藉助水浴而冷卻且切碎;接著將小粒在熱風烘箱中以80℃經12小時乾燥。
將26.5份VESTAMID® L1901、9.0份與化合物2中相同的聚胺-聚醯胺接枝共聚物、44.0份VESTODUR® 3000、20份TEC 110高嶺土、0.25份IRGAFOS® 168與0.25份IRGANOX® 1010在260℃之機筒溫度下藉助雙軸擠壓機(Coperion Werner & Pfleiderer ZSK 25 WLE,36 L/D)而混合。將擠壓物藉助水浴而冷卻且切碎;接著將小粒在熱風烘箱中以80℃經12小時乾燥。
將51.6份VESTODUR® 3000、9.0份EXXELOR® VA 1803(經順丁烯二酸酐官能化之乙烯-丙烯橡膠)、26.0份VESTAMID® ZA7295nf(PA12擠壓型)、13.4份與化合物2中相同的聚胺-聚醯胺接枝共聚物、0.25份IRGAFOS® 168與0.25份IRGANOX® 1010在260℃之機筒溫度下藉助雙軸擠壓機(Coperion Werner & Pfleiderer ZSK 25 WLE,36 L/D)而混合。將擠壓物藉助水浴而冷卻且切碎;接著將小粒在熱風烘箱中以80℃經12小時乾燥。
使用來自Collin之多層膜系統(300毫米狹縫模具,0-6毫米間隙寬度,用於3-層膜或5-層膜之共擠壓進料塊)製造3-和5-層膜(中間層和黏著促進層之加工溫度為約260℃,及外層之加工溫度為約230℃)。層厚度分配係設定如下:a/c/e:50微米/250微米/50微米
a/b/c/d/e:50微米/10微米/230微米/10微米/50微米
將結果顯示於表1中。
Claims (3)
- 一種多層膜作為光伏打模組的後蓋板之用途,該多層膜包含以下的層:a)模塑組成物之面向太陽能電池的層,其包含以該整體模塑組成物為基準計至少35重量%之聚醯胺含量,c)模塑組成物的中間層,其包含以該整體模塑組成物為基準計至少35重量%之熱塑性聚酯比率,及e)模塑組成物的外層,其包含以該整體模塑組成物為基準計至少35重量%之聚醯胺含量,其特徵在於根據a)與c)的層之間及根據c)與e)的層之間的黏著係由選自下列之措施而產生:1.將聚胺-聚醯胺接枝共聚物添加至根據a)的層及/或根據e)的層中,其添加量係使得該等層各包含以各自的模塑組成物為基準計0.1至60重量%之聚胺-聚醯胺接枝共聚物;2.將聚胺-聚醯胺接枝共聚物添加至根據c)的層中,其添加量係使得該層包含以該模塑組成物為基準計0.1至30重量%之聚胺-聚醯胺接枝共聚物;3.將黏著促進層b)導入根據a)與c)的層之間及/或將黏著促進層d)導入根據c)與e)的層之間,該黏著促進層或該兩種黏著促進層係由模塑組成物所組成,該模塑組成物係由達到60至100重量%之程度的以下組份所組成:I. 0.1至100重量%之聚胺-聚醯胺接枝共聚物,II. 0至99.9重量%之聚醯胺,及 III. 0至99.9重量%之熱塑性聚酯,其中該等I.、II.和III.之百分比係相對於整體模塑組成物,其先決條件為該聚胺-聚醯胺接枝共聚物係使用以下單體而製得:a)以該接枝共聚物為基準計0.5至25重量%之具有至少4個氮原子的聚胺,及b)選自內醯胺、ω-胺基羧酸及/或二胺與二羧酸的等莫耳組合物之聚醯胺形成用單體。
- 根據申請專利範圍第1項之用途,其中‧根據a)與e)的層具有15至100微米之厚度,‧根據c)的層具有100至500微米之厚度,及‧根據b)與d)的層具有3至40微米之厚度。
- 一種光伏打模組,其係使用如申請專利範圍第1及2項中任一項所定義之多層膜而獲得。
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DE102013203470A1 (de) | 2013-03-01 | 2014-09-04 | Evonik Industries Ag | Verfahren zur Herstellung von Ketonen aus Epoxiden |
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2011
- 2011-10-14 DE DE201110084518 patent/DE102011084518A1/de not_active Withdrawn
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2012
- 2012-10-08 EP EP12187605.6A patent/EP2581947B1/de active Active
- 2012-10-08 ES ES12187605.6T patent/ES2505040T3/es active Active
- 2012-10-11 TW TW101137464A patent/TWI556961B/zh active
- 2012-10-11 US US13/649,616 patent/US10350865B2/en active Active
- 2012-10-12 KR KR1020120113429A patent/KR101962968B1/ko not_active Expired - Fee Related
- 2012-10-15 JP JP2012228274A patent/JP6012389B2/ja active Active
Also Published As
Publication number | Publication date |
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JP6012389B2 (ja) | 2016-10-25 |
US20130092233A1 (en) | 2013-04-18 |
KR20130043065A (ko) | 2013-04-29 |
TWI556961B (zh) | 2016-11-11 |
DE102011084518A1 (de) | 2013-04-18 |
JP2013089965A (ja) | 2013-05-13 |
US10350865B2 (en) | 2019-07-16 |
ES2505040T3 (es) | 2014-10-09 |
EP2581947B1 (de) | 2014-06-18 |
EP2581947A1 (de) | 2013-04-17 |
CN103042786A (zh) | 2013-04-17 |
KR101962968B1 (ko) | 2019-03-27 |
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