LAMINATE PRODUCED FROM MULTILAYER POLYESTER FILM AND ALUMINUM SHEET, MANUFACTURING METHOD OF LAMINATE, AND BEVERAGE CAN CAP PRODUCED FROM LAMINATE

To provide a laminate of aluminum/bi-axially oriented multilayer polyester film capable of easily and cheaply producing easy opening cap of beverage cans.SOLUTION: An aluminum/multilayer biaxially oriented polyester film laminate, comprises: (M) an aluminum support; (C) at least one amorphous layer...

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Bibliographische Detailangaben
Hauptverfasser:	JULIEN FALDYSTA, VALERIE LACRAMPE, FUJII HIDEKI, AUDREY ULRICH SAINT-PIERRE, HEINRICH PRINZHORN, PETER SPAHN, NICOLAS KAMP
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING TRANSPORTING
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Beschreibung
Zusammenfassung:	To provide a laminate of aluminum/bi-axially oriented multilayer polyester film capable of easily and cheaply producing easy opening cap of beverage cans.SOLUTION: An aluminum/multilayer biaxially oriented polyester film laminate, comprises: (M) an aluminum support; (C) at least one amorphous layer C containing at least one kind of co-polyester PET-G; (B) at least one crystalline layer B containing at least one kind of co-polyester PET-X and, in some cases, at least one kind of polyethylene terephthalate PET of at least one kind of polyester; (A) depending on the case, at least one layer A being the same with or different from the layer B, in this order, in which (i) a concentration of CHDM unit in the layer C is preferably between 22 and 33 mol%, and (ii) a melting point of the layer B is between 180 and 245°C.SELECTED DRAWING: Figure 1 【課題】飲料缶用のイージーオープン蓋を容易に且つ安価に製造することを可能にする、アルミニウム／二軸配向多層ポリエステルフィルムの積層体を提供する。【解決手段】アルミニウム／多層二軸配向ポリエステルフィルム積層体であって、（Ｍ）アルミニウム支持体、（Ｃ）少なくとも１種類のコポリエステルＰＥＴ−Ｇを含む少なくとも１つのアモルファス層Ｃ、（Ｂ）少なくとも１種類のコポリエステルＰＥＴ−Ｘ及び場合によっては少なくとも１種類のポリエステルのポリエチレンテレフタレートＰＥＴを含む少なくとも１つの結晶性の層Ｂ、（Ａ）場合によっては、前記層Ｂと同一か又は異なる少なくとも１つの層Ａを順番に含み、（ｉ）前記層Ｃ中のＣＨＤＭ単位の濃度は好ましくは２２〜３３モル％の間であり；（ｉｉ）前記層Ｂの融点は１８０〜２４５℃の間である。【選択図】図１